From 648a10514bfd574eebcd332ff5b672659ead5850 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pedro=20J=2E=20Est=C3=A9banez?= Date: Sat, 12 Feb 2022 12:07:28 +0100 Subject: [PATCH 1/2] vk_mem_alloc: Update to latest commit --- thirdparty/README.md | 4 +- .../patches/01-VMA-fix-nullability.patch | 80 + ...A-use-volk.patch => 02-VMA-use-volk.patch} | 6 +- thirdparty/vulkan/vk_mem_alloc.h | 36074 ++++++++-------- 4 files changed, 18190 insertions(+), 17974 deletions(-) create mode 100644 thirdparty/vulkan/patches/01-VMA-fix-nullability.patch rename thirdparty/vulkan/patches/{VMA-use-volk.patch => 02-VMA-use-volk.patch} (66%) diff --git a/thirdparty/README.md b/thirdparty/README.md index f467d6a64b5..d4d974a5f6e 100644 --- a/thirdparty/README.md +++ b/thirdparty/README.md @@ -665,10 +665,10 @@ Files extracted from upstream source: SDK release: https://github.com/KhronosGroup/Vulkan-ValidationLayers/blob/master/layers/generated/vk_enum_string_helper.h `vk_mem_alloc.h` is taken from https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator -Version: 3.0.0-development (2021-07-07), branch `feature-small-buffers`, commit `cfea2f72851f9ee4a399769f18865047b83711f1` +Version: 3.0.0-development (2022-02-08), commit `a1895bc76547370564d604faa27e0b73de747df1` `vk_mem_alloc.cpp` is a Godot file and should be preserved on updates. -Patches in the `patches` directory should be re-applied after updates. +Patches in the `patches` directory should be re-applied after updates (order must be followed among the number-prefixed ones). ## wslay diff --git a/thirdparty/vulkan/patches/01-VMA-fix-nullability.patch b/thirdparty/vulkan/patches/01-VMA-fix-nullability.patch new file mode 100644 index 00000000000..7deada97b0d --- /dev/null +++ b/thirdparty/vulkan/patches/01-VMA-fix-nullability.patch @@ -0,0 +1,80 @@ +diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h +index 52b403bede..d88c305a7c 100644 +--- a/thirdparty/vulkan/vk_mem_alloc.h ++++ b/thirdparty/vulkan/vk_mem_alloc.h +@@ -2366,7 +2366,7 @@ VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty( + */ + VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- VmaVirtualAllocation allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo); ++ VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo); + + /** \brief Allocates new virtual allocation inside given #VmaVirtualBlock. + +diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h +index d1138a7bc8..74c66b9789 100644 +--- a/thirdparty/vulkan/vk_mem_alloc.h ++++ b/thirdparty/vulkan/vk_mem_alloc.h +@@ -2386,7 +2386,7 @@ If the allocation fails due to not enough free space available, `VK_ERROR_OUT_OF + VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, +- VmaVirtualAllocation* VMA_NOT_NULL pAllocation, ++ VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset); + + /** \brief Frees virtual allocation inside given #VmaVirtualBlock. +@@ -2391,7 +2391,7 @@ It is correct to call this function with `allocation == VK_NULL_HANDLE` - it doe + */ + VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- VmaVirtualAllocation allocation); ++ VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation); + + /** \brief Frees all virtual allocations inside given #VmaVirtualBlock. + +@@ -2408,7 +2408,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock( + */ + VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- VmaVirtualAllocation allocation, ++ VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, + void* VMA_NULLABLE pUserData); + + /** \brief Calculates and returns statistics about virtual allocations and memory usage in given #VmaVirtualBlock. +@@ -17835,7 +17835,7 @@ VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty(VmaVirtualBlock VMA_N + } + + VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo(VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- VmaVirtualAllocation allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo) ++ VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pVirtualAllocInfo != VMA_NULL); + VMA_DEBUG_LOG("vmaGetVirtualAllocationInfo"); +@@ -17853,7 +17853,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(VmaVirtualBlock VMA_NOT_N + return virtualBlock->Allocate(*pCreateInfo, *pAllocation, pOffset); + } + +-VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(VmaVirtualBlock VMA_NOT_NULL virtualBlock, VmaVirtualAllocation allocation) ++VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(VmaVirtualBlock VMA_NOT_NULL virtualBlock, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation) + { + if(allocation != VK_NULL_HANDLE) + { +@@ -17873,7 +17873,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock(VmaVirtualBlock VMA_NOT_NUL + } + + VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData(VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- VmaVirtualAllocation allocation, void* VMA_NULLABLE pUserData) ++ VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, void* VMA_NULLABLE pUserData) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaSetVirtualAllocationUserData"); +@@ -17848,7 +17848,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo(VmaVirtualBlock VMA_ + } + + VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(VmaVirtualBlock VMA_NOT_NULL virtualBlock, +- const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, VmaVirtualAllocation* VMA_NOT_NULL pAllocation, ++ const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pCreateInfo != VMA_NULL && pAllocation != VMA_NULL); diff --git a/thirdparty/vulkan/patches/VMA-use-volk.patch b/thirdparty/vulkan/patches/02-VMA-use-volk.patch similarity index 66% rename from thirdparty/vulkan/patches/VMA-use-volk.patch rename to thirdparty/vulkan/patches/02-VMA-use-volk.patch index 81bfcccd892..1b6e0f04b8a 100644 --- a/thirdparty/vulkan/patches/VMA-use-volk.patch +++ b/thirdparty/vulkan/patches/02-VMA-use-volk.patch @@ -1,9 +1,9 @@ diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h -index 65d6243419..9890f20f7c 100644 +index 52b403bede..7c450be211 100644 --- a/thirdparty/vulkan/vk_mem_alloc.h +++ b/thirdparty/vulkan/vk_mem_alloc.h -@@ -2063,7 +2063,11 @@ available through VmaAllocatorCreateInfo::pRecordSettings. - #endif // #if defined(__ANDROID__) && VMA_STATIC_VULKAN_FUNCTIONS && VK_NO_PROTOTYPES +@@ -127,7 +127,11 @@ extern "C" { + #endif #ifndef VULKAN_H_ - #include diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h index 9890f20f7ca..74c66b97899 100644 --- a/thirdparty/vulkan/vk_mem_alloc.h +++ b/thirdparty/vulkan/vk_mem_alloc.h @@ -1,5 +1,5 @@ // -// Copyright (c) 2017-2021 Advanced Micro Devices, Inc. All rights reserved. +/// Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal @@ -25,12 +25,12 @@ /** \mainpage Vulkan Memory Allocator -Version 3.0.0-development (2021-06-21) +Version 3.0.0-development -Copyright (c) 2017-2021 Advanced Micro Devices, Inc. All rights reserved. \n +Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved. \n License: MIT -Documentation of all members: vk_mem_alloc.h +API documentation divided into groups: [Modules](modules.html) \section main_table_of_contents Table of contents @@ -67,18 +67,18 @@ Documentation of all members: vk_mem_alloc.h - [Defragmenting GPU memory](@ref defragmentation_gpu) - [Additional notes](@ref defragmentation_additional_notes) - [Writing custom allocation algorithm](@ref defragmentation_custom_algorithm) - - \subpage lost_allocations - \subpage statistics - [Numeric statistics](@ref statistics_numeric_statistics) - [JSON dump](@ref statistics_json_dump) - \subpage allocation_annotation - [Allocation user data](@ref allocation_user_data) - [Allocation names](@ref allocation_names) + - \subpage virtual_allocator - \subpage debugging_memory_usage - [Memory initialization](@ref debugging_memory_usage_initialization) - [Margins](@ref debugging_memory_usage_margins) - [Corruption detection](@ref debugging_memory_usage_corruption_detection) - - \subpage record_and_replay + - \subpage opengl_interop - \subpage usage_patterns - [Common mistakes](@ref usage_patterns_common_mistakes) - [Simple patterns](@ref usage_patterns_simple) @@ -102,9 +102,17826 @@ Documentation of all members: vk_mem_alloc.h - [Product page on GPUOpen](https://gpuopen.com/gaming-product/vulkan-memory-allocator/) - [Source repository on GitHub](https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator) +\defgroup group_init Library initialization + +\brief API elements related to the initialization and management of the entire library, especially #VmaAllocator object. + +\defgroup group_alloc Memory allocation + +\brief API elements related to the allocation, deallocation, and management of Vulkan memory, buffers, images. +Most basic ones being: vmaCreateBuffer(), vmaCreateImage(). + +\defgroup group_virtual Virtual allocator + +\brief API elements related to the mechanism of \ref virtual_allocator - using the core allocation algorithm +for user-defined purpose without allocating any real GPU memory. + +\defgroup group_stats Statistics + +\brief API elements that query current status of the allocator, from memory usage, budget, to full dump of the internal state in JSON format. +*/ +#ifdef __cplusplus +extern "C" { +#endif +#ifndef VULKAN_H_ + #ifdef USE_VOLK + #include + #else + #include + #endif +#endif + +// Define this macro to declare maximum supported Vulkan version in format AAABBBCCC, +// where AAA = major, BBB = minor, CCC = patch. +// If you want to use version > 1.0, it still needs to be enabled via VmaAllocatorCreateInfo::vulkanApiVersion. +#if !defined(VMA_VULKAN_VERSION) + #if defined(VK_VERSION_1_3) + #define VMA_VULKAN_VERSION 1003000 + #elif defined(VK_VERSION_1_2) + #define VMA_VULKAN_VERSION 1002000 + #elif defined(VK_VERSION_1_1) + #define VMA_VULKAN_VERSION 1001000 + #else + #define VMA_VULKAN_VERSION 1000000 + #endif +#endif + +#if defined(__ANDROID__) && defined(VK_NO_PROTOTYPES) && VMA_STATIC_VULKAN_FUNCTIONS + extern PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr; + extern PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr; + extern PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties; + extern PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties; + extern PFN_vkAllocateMemory vkAllocateMemory; + extern PFN_vkFreeMemory vkFreeMemory; + extern PFN_vkMapMemory vkMapMemory; + extern PFN_vkUnmapMemory vkUnmapMemory; + extern PFN_vkFlushMappedMemoryRanges vkFlushMappedMemoryRanges; + extern PFN_vkInvalidateMappedMemoryRanges vkInvalidateMappedMemoryRanges; + extern PFN_vkBindBufferMemory vkBindBufferMemory; + extern PFN_vkBindImageMemory vkBindImageMemory; + extern PFN_vkGetBufferMemoryRequirements vkGetBufferMemoryRequirements; + extern PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements; + extern PFN_vkCreateBuffer vkCreateBuffer; + extern PFN_vkDestroyBuffer vkDestroyBuffer; + extern PFN_vkCreateImage vkCreateImage; + extern PFN_vkDestroyImage vkDestroyImage; + extern PFN_vkCmdCopyBuffer vkCmdCopyBuffer; + #if VMA_VULKAN_VERSION >= 1001000 + extern PFN_vkGetBufferMemoryRequirements2 vkGetBufferMemoryRequirements2; + extern PFN_vkGetImageMemoryRequirements2 vkGetImageMemoryRequirements2; + extern PFN_vkBindBufferMemory2 vkBindBufferMemory2; + extern PFN_vkBindImageMemory2 vkBindImageMemory2; + extern PFN_vkGetPhysicalDeviceMemoryProperties2 vkGetPhysicalDeviceMemoryProperties2; + #endif // #if VMA_VULKAN_VERSION >= 1001000 +#endif // #if defined(__ANDROID__) && VMA_STATIC_VULKAN_FUNCTIONS && VK_NO_PROTOTYPES + +#if !defined(VK_VERSION_1_2) + // This one is tricky. Vulkan specification defines this code as available since + // Vulkan 1.0, but doesn't actually define it in Vulkan SDK earlier than 1.2.131. + // See pull request #207. + #define VK_ERROR_UNKNOWN ((VkResult)-13) +#endif + +#if !defined(VMA_DEDICATED_ALLOCATION) + #if VK_KHR_get_memory_requirements2 && VK_KHR_dedicated_allocation + #define VMA_DEDICATED_ALLOCATION 1 + #else + #define VMA_DEDICATED_ALLOCATION 0 + #endif +#endif + +#if !defined(VMA_BIND_MEMORY2) + #if VK_KHR_bind_memory2 + #define VMA_BIND_MEMORY2 1 + #else + #define VMA_BIND_MEMORY2 0 + #endif +#endif + +#if !defined(VMA_MEMORY_BUDGET) + #if VK_EXT_memory_budget && (VK_KHR_get_physical_device_properties2 || VMA_VULKAN_VERSION >= 1001000) + #define VMA_MEMORY_BUDGET 1 + #else + #define VMA_MEMORY_BUDGET 0 + #endif +#endif + +// Defined to 1 when VK_KHR_buffer_device_address device extension or equivalent core Vulkan 1.2 feature is defined in its headers. +#if !defined(VMA_BUFFER_DEVICE_ADDRESS) + #if VK_KHR_buffer_device_address || VMA_VULKAN_VERSION >= 1002000 + #define VMA_BUFFER_DEVICE_ADDRESS 1 + #else + #define VMA_BUFFER_DEVICE_ADDRESS 0 + #endif +#endif + +// Defined to 1 when VK_EXT_memory_priority device extension is defined in Vulkan headers. +#if !defined(VMA_MEMORY_PRIORITY) + #if VK_EXT_memory_priority + #define VMA_MEMORY_PRIORITY 1 + #else + #define VMA_MEMORY_PRIORITY 0 + #endif +#endif + +// Defined to 1 when VK_KHR_external_memory device extension is defined in Vulkan headers. +#if !defined(VMA_EXTERNAL_MEMORY) + #if VK_KHR_external_memory + #define VMA_EXTERNAL_MEMORY 1 + #else + #define VMA_EXTERNAL_MEMORY 0 + #endif +#endif + +// Define these macros to decorate all public functions with additional code, +// before and after returned type, appropriately. This may be useful for +// exporting the functions when compiling VMA as a separate library. Example: +// #define VMA_CALL_PRE __declspec(dllexport) +// #define VMA_CALL_POST __cdecl +#ifndef VMA_CALL_PRE + #define VMA_CALL_PRE +#endif +#ifndef VMA_CALL_POST + #define VMA_CALL_POST +#endif + +// Define this macro to decorate pointers with an attribute specifying the +// length of the array they point to if they are not null. +// +// The length may be one of +// - The name of another parameter in the argument list where the pointer is declared +// - The name of another member in the struct where the pointer is declared +// - The name of a member of a struct type, meaning the value of that member in +// the context of the call. For example +// VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount"), +// this means the number of memory heaps available in the device associated +// with the VmaAllocator being dealt with. +#ifndef VMA_LEN_IF_NOT_NULL + #define VMA_LEN_IF_NOT_NULL(len) +#endif + +// The VMA_NULLABLE macro is defined to be _Nullable when compiling with Clang. +// see: https://clang.llvm.org/docs/AttributeReference.html#nullable +#ifndef VMA_NULLABLE + #ifdef __clang__ + #define VMA_NULLABLE _Nullable + #else + #define VMA_NULLABLE + #endif +#endif + +// The VMA_NOT_NULL macro is defined to be _Nonnull when compiling with Clang. +// see: https://clang.llvm.org/docs/AttributeReference.html#nonnull +#ifndef VMA_NOT_NULL + #ifdef __clang__ + #define VMA_NOT_NULL _Nonnull + #else + #define VMA_NOT_NULL + #endif +#endif + +// If non-dispatchable handles are represented as pointers then we can give +// then nullability annotations +#ifndef VMA_NOT_NULL_NON_DISPATCHABLE + #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) + #define VMA_NOT_NULL_NON_DISPATCHABLE VMA_NOT_NULL + #else + #define VMA_NOT_NULL_NON_DISPATCHABLE + #endif +#endif + +#ifndef VMA_NULLABLE_NON_DISPATCHABLE + #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) + #define VMA_NULLABLE_NON_DISPATCHABLE VMA_NULLABLE + #else + #define VMA_NULLABLE_NON_DISPATCHABLE + #endif +#endif + +#ifndef VMA_STATS_STRING_ENABLED + #define VMA_STATS_STRING_ENABLED 1 +#endif + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +// +// INTERFACE +// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// + +// Sections for managing code placement in file, only for development purposes e.g. for convenient folding inside an IDE. +#ifndef _VMA_ENUM_DECLARATIONS + +/** +\addtogroup group_init +@{ +*/ + +/// Flags for created #VmaAllocator. +typedef enum VmaAllocatorCreateFlagBits +{ + /** \brief Allocator and all objects created from it will not be synchronized internally, so you must guarantee they are used from only one thread at a time or synchronized externally by you. + + Using this flag may increase performance because internal mutexes are not used. + */ + VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT = 0x00000001, + /** \brief Enables usage of VK_KHR_dedicated_allocation extension. + + The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. + When it is `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. + + Using this extension will automatically allocate dedicated blocks of memory for + some buffers and images instead of suballocating place for them out of bigger + memory blocks (as if you explicitly used #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT + flag) when it is recommended by the driver. It may improve performance on some + GPUs. + + You may set this flag only if you found out that following device extensions are + supported, you enabled them while creating Vulkan device passed as + VmaAllocatorCreateInfo::device, and you want them to be used internally by this + library: + + - VK_KHR_get_memory_requirements2 (device extension) + - VK_KHR_dedicated_allocation (device extension) + + When this flag is set, you can experience following warnings reported by Vulkan + validation layer. You can ignore them. + + > vkBindBufferMemory(): Binding memory to buffer 0x2d but vkGetBufferMemoryRequirements() has not been called on that buffer. + */ + VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT = 0x00000002, + /** + Enables usage of VK_KHR_bind_memory2 extension. + + The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. + When it is `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. + + You may set this flag only if you found out that this device extension is supported, + you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + and you want it to be used internally by this library. + + The extension provides functions `vkBindBufferMemory2KHR` and `vkBindImageMemory2KHR`, + which allow to pass a chain of `pNext` structures while binding. + This flag is required if you use `pNext` parameter in vmaBindBufferMemory2() or vmaBindImageMemory2(). + */ + VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT = 0x00000004, + /** + Enables usage of VK_EXT_memory_budget extension. + + You may set this flag only if you found out that this device extension is supported, + you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + and you want it to be used internally by this library, along with another instance extension + VK_KHR_get_physical_device_properties2, which is required by it (or Vulkan 1.1, where this extension is promoted). + + The extension provides query for current memory usage and budget, which will probably + be more accurate than an estimation used by the library otherwise. + */ + VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT = 0x00000008, + /** + Enables usage of VK_AMD_device_coherent_memory extension. + + You may set this flag only if you: + + - found out that this device extension is supported and enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + - checked that `VkPhysicalDeviceCoherentMemoryFeaturesAMD::deviceCoherentMemory` is true and set it while creating the Vulkan device, + - want it to be used internally by this library. + + The extension and accompanying device feature provide access to memory types with + `VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD` and `VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD` flags. + They are useful mostly for writing breadcrumb markers - a common method for debugging GPU crash/hang/TDR. + + When the extension is not enabled, such memory types are still enumerated, but their usage is illegal. + To protect from this error, if you don't create the allocator with this flag, it will refuse to allocate any memory or create a custom pool in such memory type, + returning `VK_ERROR_FEATURE_NOT_PRESENT`. + */ + VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT = 0x00000010, + /** + Enables usage of "buffer device address" feature, which allows you to use function + `vkGetBufferDeviceAddress*` to get raw GPU pointer to a buffer and pass it for usage inside a shader. + + You may set this flag only if you: + + 1. (For Vulkan version < 1.2) Found as available and enabled device extension + VK_KHR_buffer_device_address. + This extension is promoted to core Vulkan 1.2. + 2. Found as available and enabled device feature `VkPhysicalDeviceBufferDeviceAddressFeatures::bufferDeviceAddress`. + + When this flag is set, you can create buffers with `VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT` using VMA. + The library automatically adds `VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT` to + allocated memory blocks wherever it might be needed. + + For more information, see documentation chapter \ref enabling_buffer_device_address. + */ + VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT = 0x00000020, + /** + Enables usage of VK_EXT_memory_priority extension in the library. + + You may set this flag only if you found available and enabled this device extension, + along with `VkPhysicalDeviceMemoryPriorityFeaturesEXT::memoryPriority == VK_TRUE`, + while creating Vulkan device passed as VmaAllocatorCreateInfo::device. + + When this flag is used, VmaAllocationCreateInfo::priority and VmaPoolCreateInfo::priority + are used to set priorities of allocated Vulkan memory. Without it, these variables are ignored. + + A priority must be a floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. + Larger values are higher priority. The granularity of the priorities is implementation-dependent. + It is automatically passed to every call to `vkAllocateMemory` done by the library using structure `VkMemoryPriorityAllocateInfoEXT`. + The value to be used for default priority is 0.5. + For more details, see the documentation of the VK_EXT_memory_priority extension. + */ + VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT = 0x00000040, + + VMA_ALLOCATOR_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaAllocatorCreateFlagBits; +typedef VkFlags VmaAllocatorCreateFlags; + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +/// \brief Intended usage of the allocated memory. +typedef enum VmaMemoryUsage +{ + /** No intended memory usage specified. + Use other members of VmaAllocationCreateInfo to specify your requirements. + */ + VMA_MEMORY_USAGE_UNKNOWN = 0, + /** Memory will be used on device only, so fast access from the device is preferred. + It usually means device-local GPU (video) memory. + No need to be mappable on host. + It is roughly equivalent of `D3D12_HEAP_TYPE_DEFAULT`. + + Usage: + + - Resources written and read by device, e.g. images used as attachments. + - Resources transferred from host once (immutable) or infrequently and read by + device multiple times, e.g. textures to be sampled, vertex buffers, uniform + (constant) buffers, and majority of other types of resources used on GPU. + + Allocation may still end up in `HOST_VISIBLE` memory on some implementations. + In such case, you are free to map it. + You can use #VMA_ALLOCATION_CREATE_MAPPED_BIT with this usage type. + */ + VMA_MEMORY_USAGE_GPU_ONLY = 1, + /** Memory will be mappable on host. + It usually means CPU (system) memory. + Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`. + CPU access is typically uncached. Writes may be write-combined. + Resources created in this pool may still be accessible to the device, but access to them can be slow. + It is roughly equivalent of `D3D12_HEAP_TYPE_UPLOAD`. + + Usage: Staging copy of resources used as transfer source. + */ + VMA_MEMORY_USAGE_CPU_ONLY = 2, + /** + Memory that is both mappable on host (guarantees to be `HOST_VISIBLE`) and preferably fast to access by GPU. + CPU access is typically uncached. Writes may be write-combined. + + Usage: Resources written frequently by host (dynamic), read by device. E.g. textures (with LINEAR layout), vertex buffers, uniform buffers updated every frame or every draw call. + */ + VMA_MEMORY_USAGE_CPU_TO_GPU = 3, + /** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached. + It is roughly equivalent of `D3D12_HEAP_TYPE_READBACK`. + + Usage: + + - Resources written by device, read by host - results of some computations, e.g. screen capture, average scene luminance for HDR tone mapping. + - Any resources read or accessed randomly on host, e.g. CPU-side copy of vertex buffer used as source of transfer, but also used for collision detection. + */ + VMA_MEMORY_USAGE_GPU_TO_CPU = 4, + /** CPU memory - memory that is preferably not `DEVICE_LOCAL`, but also not guaranteed to be `HOST_VISIBLE`. + + Usage: Staging copy of resources moved from GPU memory to CPU memory as part + of custom paging/residency mechanism, to be moved back to GPU memory when needed. + */ + VMA_MEMORY_USAGE_CPU_COPY = 5, + /** Lazily allocated GPU memory having `VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT`. + Exists mostly on mobile platforms. Using it on desktop PC or other GPUs with no such memory type present will fail the allocation. + + Usage: Memory for transient attachment images (color attachments, depth attachments etc.), created with `VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT`. + + Allocations with this usage are always created as dedicated - it implies #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + */ + VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED = 6, + + VMA_MEMORY_USAGE_MAX_ENUM = 0x7FFFFFFF +} VmaMemoryUsage; + +/// Flags to be passed as VmaAllocationCreateInfo::flags. +typedef enum VmaAllocationCreateFlagBits +{ + /** \brief Set this flag if the allocation should have its own memory block. + + Use it for special, big resources, like fullscreen images used as attachments. + */ + VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT = 0x00000001, + + /** \brief Set this flag to only try to allocate from existing `VkDeviceMemory` blocks and never create new such block. + + If new allocation cannot be placed in any of the existing blocks, allocation + fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY` error. + + You should not use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT and + #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT at the same time. It makes no sense. + + If VmaAllocationCreateInfo::pool is not null, this flag is implied and ignored. */ + VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT = 0x00000002, + /** \brief Set this flag to use a memory that will be persistently mapped and retrieve pointer to it. + + Pointer to mapped memory will be returned through VmaAllocationInfo::pMappedData. + + It is valid to use this flag for allocation made from memory type that is not + `HOST_VISIBLE`. This flag is then ignored and memory is not mapped. This is + useful if you need an allocation that is efficient to use on GPU + (`DEVICE_LOCAL`) and still want to map it directly if possible on platforms that + support it (e.g. Intel GPU). + */ + VMA_ALLOCATION_CREATE_MAPPED_BIT = 0x00000004, + /// \deprecated Removed. Do not use. + VMA_ALLOCATION_CREATE_RESERVED_1_BIT = 0x00000008, + /// \deprecated Removed. Do not use. + VMA_ALLOCATION_CREATE_RESERVED_2_BIT = 0x00000010, + /** Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a + null-terminated string. Instead of copying pointer value, a local copy of the + string is made and stored in allocation's `pUserData`. The string is automatically + freed together with the allocation. It is also used in vmaBuildStatsString(). + */ + VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT = 0x00000020, + /** Allocation will be created from upper stack in a double stack pool. + + This flag is only allowed for custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT flag. + */ + VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = 0x00000040, + /** Create both buffer/image and allocation, but don't bind them together. + It is useful when you want to bind yourself to do some more advanced binding, e.g. using some extensions. + The flag is meaningful only with functions that bind by default: vmaCreateBuffer(), vmaCreateImage(). + Otherwise it is ignored. + */ + VMA_ALLOCATION_CREATE_DONT_BIND_BIT = 0x00000080, + /** Create allocation only if additional device memory required for it, if any, won't exceed + memory budget. Otherwise return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. + */ + VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT = 0x00000100, + /** \brief Set this flag if the allocated memory will have aliasing resources. + * + Usage of this flag prevents supplying `VkMemoryDedicatedAllocateInfoKHR` when #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT is specified. + Otherwise created dedicated memory will not be suitable for aliasing resources, resulting in Vulkan Validation Layer errors. + */ + VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT = 0x00000200, + /** Allocation strategy that chooses smallest possible free range for the allocation + to minimize memory usage and fragmentation, possibly at the expense of allocation time. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = 0x00010000, + /** Allocation strategy that chooses first suitable free range for the allocation - + not necessarily in terms of the smallest offset but the one that is easiest and fastest to find + to minimize allocation time, possibly at the expense of allocation quality. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = 0x00020000, + /** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT. + */ + VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT, + /** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT. + */ + VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT, + /** A bit mask to extract only `STRATEGY` bits from entire set of flags. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MASK = + VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT | + VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT, + + VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaAllocationCreateFlagBits; +typedef VkFlags VmaAllocationCreateFlags; + +/// Flags to be passed as VmaPoolCreateInfo::flags. +typedef enum VmaPoolCreateFlagBits +{ + /** \brief Use this flag if you always allocate only buffers and linear images or only optimal images out of this pool and so Buffer-Image Granularity can be ignored. + + This is an optional optimization flag. + + If you always allocate using vmaCreateBuffer(), vmaCreateImage(), + vmaAllocateMemoryForBuffer(), then you don't need to use it because allocator + knows exact type of your allocations so it can handle Buffer-Image Granularity + in the optimal way. + + If you also allocate using vmaAllocateMemoryForImage() or vmaAllocateMemory(), + exact type of such allocations is not known, so allocator must be conservative + in handling Buffer-Image Granularity, which can lead to suboptimal allocation + (wasted memory). In that case, if you can make sure you always allocate only + buffers and linear images or only optimal images out of this pool, use this flag + to make allocator disregard Buffer-Image Granularity and so make allocations + faster and more optimal. + */ + VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT = 0x00000002, + + /** \brief Enables alternative, linear allocation algorithm in this pool. + + Specify this flag to enable linear allocation algorithm, which always creates + new allocations after last one and doesn't reuse space from allocations freed in + between. It trades memory consumption for simplified algorithm and data + structure, which has better performance and uses less memory for metadata. + + By using this flag, you can achieve behavior of free-at-once, stack, + ring buffer, and double stack. + For details, see documentation chapter \ref linear_algorithm. + */ + VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT = 0x00000004, + + /** \brief Enables alternative, buddy allocation algorithm in this pool. + + It operates on a tree of blocks, each having size that is a power of two and + a half of its parent's size. Comparing to default algorithm, this one provides + faster allocation and deallocation and decreased external fragmentation, + at the expense of more memory wasted (internal fragmentation). + For details, see documentation chapter \ref buddy_algorithm. + */ + VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT = 0x00000008, + + /** \brief Enables alternative, Two-Level Segregated Fit (TLSF) allocation algorithm in this pool. + + This algorithm is based on 2-level lists dividing address space into smaller + chunks. The first level is aligned to power of two which serves as buckets for requested + memory to fall into, and the second level is lineary subdivided into lists of free memory. + This algorithm aims to achieve bounded response time even in the worst case scenario. + Allocation time can be sometimes slightly longer than compared to other algorithms + but in return the application can avoid stalls in case of fragmentation, giving + predictable results, suitable for real-time use cases. + */ + VMA_POOL_CREATE_TLSF_ALGORITHM_BIT = 0x00000010, + + /** Bit mask to extract only `ALGORITHM` bits from entire set of flags. + */ + VMA_POOL_CREATE_ALGORITHM_MASK = + VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT | + VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT | + VMA_POOL_CREATE_TLSF_ALGORITHM_BIT, + + VMA_POOL_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaPoolCreateFlagBits; +/// Flags to be passed as VmaPoolCreateInfo::flags. See #VmaPoolCreateFlagBits. +typedef VkFlags VmaPoolCreateFlags; + +/// Flags to be used in vmaDefragmentationBegin(). None at the moment. Reserved for future use. +typedef enum VmaDefragmentationFlagBits +{ + VMA_DEFRAGMENTATION_FLAG_INCREMENTAL = 0x1, + VMA_DEFRAGMENTATION_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaDefragmentationFlagBits; +typedef VkFlags VmaDefragmentationFlags; + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/// Flags to be passed as VmaVirtualBlockCreateInfo::flags. +typedef enum VmaVirtualBlockCreateFlagBits +{ + /** \brief Enables alternative, linear allocation algorithm in this virtual block. + + Specify this flag to enable linear allocation algorithm, which always creates + new allocations after last one and doesn't reuse space from allocations freed in + between. It trades memory consumption for simplified algorithm and data + structure, which has better performance and uses less memory for metadata. + + By using this flag, you can achieve behavior of free-at-once, stack, + ring buffer, and double stack. + For details, see documentation chapter \ref linear_algorithm. + */ + VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT = 0x00000001, + + /** \brief Enables alternative, buddy allocation algorithm in this virtual block. + + It operates on a tree of blocks, each having size that is a power of two and + a half of its parent's size. Comparing to default algorithm, this one provides + faster allocation and deallocation and decreased external fragmentation, + at the expense of more memory wasted (internal fragmentation). + For details, see documentation chapter \ref buddy_algorithm. + */ + VMA_VIRTUAL_BLOCK_CREATE_BUDDY_ALGORITHM_BIT = 0x00000002, + + /** \brief Enables alternative, TLSF allocation algorithm in virtual block. + + This algorithm is based on 2-level lists dividing address space into smaller + chunks. The first level is aligned to power of two which serves as buckets for requested + memory to fall into, and the second level is lineary subdivided into lists of free memory. + This algorithm aims to achieve bounded response time even in the worst case scenario. + Allocation time can be sometimes slightly longer than compared to other algorithms + but in return the application can avoid stalls in case of fragmentation, giving + predictable results, suitable for real-time use cases. + */ + VMA_VIRTUAL_BLOCK_CREATE_TLSF_ALGORITHM_BIT = 0x00000004, + + /** \brief Bit mask to extract only `ALGORITHM` bits from entire set of flags. + */ + VMA_VIRTUAL_BLOCK_CREATE_ALGORITHM_MASK = + VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT | + VMA_VIRTUAL_BLOCK_CREATE_BUDDY_ALGORITHM_BIT | + VMA_VIRTUAL_BLOCK_CREATE_TLSF_ALGORITHM_BIT, + + VMA_VIRTUAL_BLOCK_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaVirtualBlockCreateFlagBits; +/// Flags to be passed as VmaVirtualBlockCreateInfo::flags. See #VmaVirtualBlockCreateFlagBits. +typedef VkFlags VmaVirtualBlockCreateFlags; + +/// Flags to be passed as VmaVirtualAllocationCreateInfo::flags. +typedef enum VmaVirtualAllocationCreateFlagBits +{ + /** \brief Allocation will be created from upper stack in a double stack pool. + + This flag is only allowed for virtual blocks created with #VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT flag. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT, + /** \brief Allocation strategy that tries to minimize memory usage. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT, + /** \brief Allocation strategy that tries to minimize allocation time. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT, + /** \brief A bit mask to extract only `STRATEGY` bits from entire set of flags. + + These strategy flags are binary compatible with equivalent flags in #VmaAllocationCreateFlagBits. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK = VMA_ALLOCATION_CREATE_STRATEGY_MASK, + + VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaVirtualAllocationCreateFlagBits; +/// Flags to be passed as VmaVirtualAllocationCreateInfo::flags. See #VmaVirtualAllocationCreateFlagBits. +typedef VkFlags VmaVirtualAllocationCreateFlags; + +/** @} */ + +#endif // _VMA_ENUM_DECLARATIONS + +#ifndef _VMA_DATA_TYPES_DECLARATIONS + +/** +\addtogroup group_init +@{ */ + +/** \struct VmaAllocator +\brief Represents main object of this library initialized. + +Fill structure #VmaAllocatorCreateInfo and call function vmaCreateAllocator() to create it. +Call function vmaDestroyAllocator() to destroy it. + +It is recommended to create just one object of this type per `VkDevice` object, +right after Vulkan is initialized and keep it alive until before Vulkan device is destroyed. +*/ +VK_DEFINE_HANDLE(VmaAllocator) + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +/** \struct VmaPool +\brief Represents custom memory pool + +Fill structure VmaPoolCreateInfo and call function vmaCreatePool() to create it. +Call function vmaDestroyPool() to destroy it. + +For more information see [Custom memory pools](@ref choosing_memory_type_custom_memory_pools). +*/ +VK_DEFINE_HANDLE(VmaPool) + +/** \struct VmaAllocation +\brief Represents single memory allocation. + +It may be either dedicated block of `VkDeviceMemory` or a specific region of a bigger block of this type +plus unique offset. + +There are multiple ways to create such object. +You need to fill structure VmaAllocationCreateInfo. +For more information see [Choosing memory type](@ref choosing_memory_type). + +Although the library provides convenience functions that create Vulkan buffer or image, +allocate memory for it and bind them together, +binding of the allocation to a buffer or an image is out of scope of the allocation itself. +Allocation object can exist without buffer/image bound, +binding can be done manually by the user, and destruction of it can be done +independently of destruction of the allocation. + +The object also remembers its size and some other information. +To retrieve this information, use function vmaGetAllocationInfo() and inspect +returned structure VmaAllocationInfo. +*/ +VK_DEFINE_HANDLE(VmaAllocation) + +/** \struct VmaDefragmentationContext +\brief Represents Opaque object that represents started defragmentation process. + +Fill structure #VmaDefragmentationInfo2 and call function vmaDefragmentationBegin() to create it. +Call function vmaDefragmentationEnd() to destroy it. +*/ +VK_DEFINE_HANDLE(VmaDefragmentationContext) + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/** \struct VmaVirtualAllocation +\brief Represents single memory allocation done inside VmaVirtualBlock. + +Use it as a unique identifier to virtual allocation within the single block. + +Use value `VK_NULL_HANDLE` to represent a null/invalid allocation. +*/ +VK_DEFINE_NON_DISPATCHABLE_HANDLE(VmaVirtualAllocation); + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/** \struct VmaVirtualBlock +\brief Handle to a virtual block object that allows to use core allocation algorithm without allocating any real GPU memory. + +Fill in #VmaVirtualBlockCreateInfo structure and use vmaCreateVirtualBlock() to create it. Use vmaDestroyVirtualBlock() to destroy it. +For more information, see documentation chapter \ref virtual_allocator. + +This object is not thread-safe - should not be used from multiple threads simultaneously, must be synchronized externally. +*/ +VK_DEFINE_HANDLE(VmaVirtualBlock) + +/** @} */ + +/** +\addtogroup group_init +@{ +*/ + +/// Callback function called after successful vkAllocateMemory. +typedef void (VKAPI_PTR* PFN_vmaAllocateDeviceMemoryFunction)( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryType, + VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, + VkDeviceSize size, + void* VMA_NULLABLE pUserData); + +/// Callback function called before vkFreeMemory. +typedef void (VKAPI_PTR* PFN_vmaFreeDeviceMemoryFunction)( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryType, + VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, + VkDeviceSize size, + void* VMA_NULLABLE pUserData); + +/** \brief Set of callbacks that the library will call for `vkAllocateMemory` and `vkFreeMemory`. + +Provided for informative purpose, e.g. to gather statistics about number of +allocations or total amount of memory allocated in Vulkan. + +Used in VmaAllocatorCreateInfo::pDeviceMemoryCallbacks. +*/ +typedef struct VmaDeviceMemoryCallbacks +{ + /// Optional, can be null. + PFN_vmaAllocateDeviceMemoryFunction VMA_NULLABLE pfnAllocate; + /// Optional, can be null. + PFN_vmaFreeDeviceMemoryFunction VMA_NULLABLE pfnFree; + /// Optional, can be null. + void* VMA_NULLABLE pUserData; +} VmaDeviceMemoryCallbacks; + +/** \brief Pointers to some Vulkan functions - a subset used by the library. + +Used in VmaAllocatorCreateInfo::pVulkanFunctions. +*/ +typedef struct VmaVulkanFunctions +{ + /// Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS. + PFN_vkGetInstanceProcAddr VMA_NULLABLE vkGetInstanceProcAddr; + /// Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS. + PFN_vkGetDeviceProcAddr VMA_NULLABLE vkGetDeviceProcAddr; + PFN_vkGetPhysicalDeviceProperties VMA_NULLABLE vkGetPhysicalDeviceProperties; + PFN_vkGetPhysicalDeviceMemoryProperties VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties; + PFN_vkAllocateMemory VMA_NULLABLE vkAllocateMemory; + PFN_vkFreeMemory VMA_NULLABLE vkFreeMemory; + PFN_vkMapMemory VMA_NULLABLE vkMapMemory; + PFN_vkUnmapMemory VMA_NULLABLE vkUnmapMemory; + PFN_vkFlushMappedMemoryRanges VMA_NULLABLE vkFlushMappedMemoryRanges; + PFN_vkInvalidateMappedMemoryRanges VMA_NULLABLE vkInvalidateMappedMemoryRanges; + PFN_vkBindBufferMemory VMA_NULLABLE vkBindBufferMemory; + PFN_vkBindImageMemory VMA_NULLABLE vkBindImageMemory; + PFN_vkGetBufferMemoryRequirements VMA_NULLABLE vkGetBufferMemoryRequirements; + PFN_vkGetImageMemoryRequirements VMA_NULLABLE vkGetImageMemoryRequirements; + PFN_vkCreateBuffer VMA_NULLABLE vkCreateBuffer; + PFN_vkDestroyBuffer VMA_NULLABLE vkDestroyBuffer; + PFN_vkCreateImage VMA_NULLABLE vkCreateImage; + PFN_vkDestroyImage VMA_NULLABLE vkDestroyImage; + PFN_vkCmdCopyBuffer VMA_NULLABLE vkCmdCopyBuffer; +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + /// Fetch "vkGetBufferMemoryRequirements2" on Vulkan >= 1.1, fetch "vkGetBufferMemoryRequirements2KHR" when using VK_KHR_dedicated_allocation extension. + PFN_vkGetBufferMemoryRequirements2KHR VMA_NULLABLE vkGetBufferMemoryRequirements2KHR; + /// Fetch "vkGetImageMemoryRequirements 2" on Vulkan >= 1.1, fetch "vkGetImageMemoryRequirements2KHR" when using VK_KHR_dedicated_allocation extension. + PFN_vkGetImageMemoryRequirements2KHR VMA_NULLABLE vkGetImageMemoryRequirements2KHR; +#endif +#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 + /// Fetch "vkBindBufferMemory2" on Vulkan >= 1.1, fetch "vkBindBufferMemory2KHR" when using VK_KHR_bind_memory2 extension. + PFN_vkBindBufferMemory2KHR VMA_NULLABLE vkBindBufferMemory2KHR; + /// Fetch "vkBindImageMemory2" on Vulkan >= 1.1, fetch "vkBindImageMemory2KHR" when using VK_KHR_bind_memory2 extension. + PFN_vkBindImageMemory2KHR VMA_NULLABLE vkBindImageMemory2KHR; +#endif +#if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 + PFN_vkGetPhysicalDeviceMemoryProperties2KHR VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties2KHR; +#endif +} VmaVulkanFunctions; + +/// Description of a Allocator to be created. +typedef struct VmaAllocatorCreateInfo +{ + /// Flags for created allocator. Use #VmaAllocatorCreateFlagBits enum. + VmaAllocatorCreateFlags flags; + /// Vulkan physical device. + /** It must be valid throughout whole lifetime of created allocator. */ + VkPhysicalDevice VMA_NOT_NULL physicalDevice; + /// Vulkan device. + /** It must be valid throughout whole lifetime of created allocator. */ + VkDevice VMA_NOT_NULL device; + /// Preferred size of a single `VkDeviceMemory` block to be allocated from large heaps > 1 GiB. Optional. + /** Set to 0 to use default, which is currently 256 MiB. */ + VkDeviceSize preferredLargeHeapBlockSize; + /// Custom CPU memory allocation callbacks. Optional. + /** Optional, can be null. When specified, will also be used for all CPU-side memory allocations. */ + const VkAllocationCallbacks* VMA_NULLABLE pAllocationCallbacks; + /// Informative callbacks for `vkAllocateMemory`, `vkFreeMemory`. Optional. + /** Optional, can be null. */ + const VmaDeviceMemoryCallbacks* VMA_NULLABLE pDeviceMemoryCallbacks; + /** \brief Either null or a pointer to an array of limits on maximum number of bytes that can be allocated out of particular Vulkan memory heap. + + If not NULL, it must be a pointer to an array of + `VkPhysicalDeviceMemoryProperties::memoryHeapCount` elements, defining limit on + maximum number of bytes that can be allocated out of particular Vulkan memory + heap. + + Any of the elements may be equal to `VK_WHOLE_SIZE`, which means no limit on that + heap. This is also the default in case of `pHeapSizeLimit` = NULL. + + If there is a limit defined for a heap: + + - If user tries to allocate more memory from that heap using this allocator, + the allocation fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. + - If the limit is smaller than heap size reported in `VkMemoryHeap::size`, the + value of this limit will be reported instead when using vmaGetMemoryProperties(). + + Warning! Using this feature may not be equivalent to installing a GPU with + smaller amount of memory, because graphics driver doesn't necessary fail new + allocations with `VK_ERROR_OUT_OF_DEVICE_MEMORY` result when memory capacity is + exceeded. It may return success and just silently migrate some device memory + blocks to system RAM. This driver behavior can also be controlled using + VK_AMD_memory_overallocation_behavior extension. + */ + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount") pHeapSizeLimit; + + /** \brief Pointers to Vulkan functions. Can be null. + + For details see [Pointers to Vulkan functions](@ref config_Vulkan_functions). + */ + const VmaVulkanFunctions* VMA_NULLABLE pVulkanFunctions; + /** \brief Handle to Vulkan instance object. + + Starting from version 3.0.0 this member is no longer optional, it must be set! + */ + VkInstance VMA_NOT_NULL instance; + /** \brief Optional. The highest version of Vulkan that the application is designed to use. + + It must be a value in the format as created by macro `VK_MAKE_VERSION` or a constant like: `VK_API_VERSION_1_1`, `VK_API_VERSION_1_0`. + The patch version number specified is ignored. Only the major and minor versions are considered. + It must be less or equal (preferably equal) to value as passed to `vkCreateInstance` as `VkApplicationInfo::apiVersion`. + Only versions 1.0, 1.1, 1.2, 1.3 are supported by the current implementation. + Leaving it initialized to zero is equivalent to `VK_API_VERSION_1_0`. + */ + uint32_t vulkanApiVersion; +#if VMA_EXTERNAL_MEMORY + /** \brief Either null or a pointer to an array of external memory handle types for each Vulkan memory type. + + If not NULL, it must be a pointer to an array of `VkPhysicalDeviceMemoryProperties::memoryTypeCount` + elements, defining external memory handle types of particular Vulkan memory type, + to be passed using `VkExportMemoryAllocateInfoKHR`. + + Any of the elements may be equal to 0, which means not to use `VkExportMemoryAllocateInfoKHR` on this memory type. + This is also the default in case of `pTypeExternalMemoryHandleTypes` = NULL. + */ + const VkExternalMemoryHandleTypeFlagsKHR* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryTypeCount") pTypeExternalMemoryHandleTypes; +#endif // #if VMA_EXTERNAL_MEMORY +} VmaAllocatorCreateInfo; + +/// Information about existing #VmaAllocator object. +typedef struct VmaAllocatorInfo +{ + /** \brief Handle to Vulkan instance object. + + This is the same value as has been passed through VmaAllocatorCreateInfo::instance. + */ + VkInstance VMA_NOT_NULL instance; + /** \brief Handle to Vulkan physical device object. + + This is the same value as has been passed through VmaAllocatorCreateInfo::physicalDevice. + */ + VkPhysicalDevice VMA_NOT_NULL physicalDevice; + /** \brief Handle to Vulkan device object. + + This is the same value as has been passed through VmaAllocatorCreateInfo::device. + */ + VkDevice VMA_NOT_NULL device; +} VmaAllocatorInfo; + +/** @} */ + +/** +\addtogroup group_stats +@{ +*/ + +/// Calculated statistics of memory usage in entire allocator. +typedef struct VmaStatInfo +{ + /// Number of `VkDeviceMemory` Vulkan memory blocks allocated. + uint32_t blockCount; + /// Number of #VmaAllocation allocation objects allocated. + uint32_t allocationCount; + /// Number of free ranges of memory between allocations. + uint32_t unusedRangeCount; + /// Total number of bytes occupied by all allocations. + VkDeviceSize usedBytes; + /// Total number of bytes occupied by unused ranges. + VkDeviceSize unusedBytes; + VkDeviceSize allocationSizeMin, allocationSizeAvg, allocationSizeMax; + VkDeviceSize unusedRangeSizeMin, unusedRangeSizeAvg, unusedRangeSizeMax; +} VmaStatInfo; + +/// General statistics from current state of Allocator. +typedef struct VmaStats +{ + VmaStatInfo memoryType[VK_MAX_MEMORY_TYPES]; + VmaStatInfo memoryHeap[VK_MAX_MEMORY_HEAPS]; + VmaStatInfo total; +} VmaStats; + +/// Statistics of current memory usage and available budget, in bytes, for specific memory heap. +typedef struct VmaBudget +{ + /** \brief Sum size of all `VkDeviceMemory` blocks allocated from particular heap, in bytes. + */ + VkDeviceSize blockBytes; + + /** \brief Sum size of all allocations created in particular heap, in bytes. + + Usually less or equal than `blockBytes`. + Difference `blockBytes - allocationBytes` is the amount of memory allocated but unused - + available for new allocations or wasted due to fragmentation. + */ + VkDeviceSize allocationBytes; + + /** \brief Estimated current memory usage of the program, in bytes. + + Fetched from system using `VK_EXT_memory_budget` extension if enabled. + + It might be different than `blockBytes` (usually higher) due to additional implicit objects + also occupying the memory, like swapchain, pipelines, descriptor heaps, command buffers, or + `VkDeviceMemory` blocks allocated outside of this library, if any. + */ + VkDeviceSize usage; + + /** \brief Estimated amount of memory available to the program, in bytes. + + Fetched from system using `VK_EXT_memory_budget` extension if enabled. + + It might be different (most probably smaller) than `VkMemoryHeap::size[heapIndex]` due to factors + external to the program, like other programs also consuming system resources. + Difference `budget - usage` is the amount of additional memory that can probably + be allocated without problems. Exceeding the budget may result in various problems. + */ + VkDeviceSize budget; +} VmaBudget; + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +typedef struct VmaAllocationCreateInfo +{ + /// Use #VmaAllocationCreateFlagBits enum. + VmaAllocationCreateFlags flags; + /** \brief Intended usage of memory. + + You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n + If `pool` is not null, this member is ignored. + */ + VmaMemoryUsage usage; + /** \brief Flags that must be set in a Memory Type chosen for an allocation. + + Leave 0 if you specify memory requirements in other way. \n + If `pool` is not null, this member is ignored.*/ + VkMemoryPropertyFlags requiredFlags; + /** \brief Flags that preferably should be set in a memory type chosen for an allocation. + + Set to 0 if no additional flags are preferred. \n + If `pool` is not null, this member is ignored. */ + VkMemoryPropertyFlags preferredFlags; + /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. + + Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if + it meets other requirements specified by this structure, with no further + restrictions on memory type index. \n + If `pool` is not null, this member is ignored. + */ + uint32_t memoryTypeBits; + /** \brief Pool that this allocation should be created in. + + Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: + `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. + */ + VmaPool VMA_NULLABLE pool; + /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). + + If #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is used, it must be either + null or pointer to a null-terminated string. The string will be then copied to + internal buffer, so it doesn't need to be valid after allocation call. + */ + void* VMA_NULLABLE pUserData; + /** \brief A floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. + + It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object + and this allocation ends up as dedicated or is explicitly forced as dedicated using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + Otherwise, it has the priority of a memory block where it is placed and this variable is ignored. + */ + float priority; +} VmaAllocationCreateInfo; + +/// Describes parameter of created #VmaPool. +typedef struct VmaPoolCreateInfo +{ + /** \brief Vulkan memory type index to allocate this pool from. + */ + uint32_t memoryTypeIndex; + /** \brief Use combination of #VmaPoolCreateFlagBits. + */ + VmaPoolCreateFlags flags; + /** \brief Size of a single `VkDeviceMemory` block to be allocated as part of this pool, in bytes. Optional. + + Specify nonzero to set explicit, constant size of memory blocks used by this + pool. + + Leave 0 to use default and let the library manage block sizes automatically. + Sizes of particular blocks may vary. + In this case, the pool will also support dedicated allocations. + */ + VkDeviceSize blockSize; + /** \brief Minimum number of blocks to be always allocated in this pool, even if they stay empty. + + Set to 0 to have no preallocated blocks and allow the pool be completely empty. + */ + size_t minBlockCount; + /** \brief Maximum number of blocks that can be allocated in this pool. Optional. + + Set to 0 to use default, which is `SIZE_MAX`, which means no limit. + + Set to same value as VmaPoolCreateInfo::minBlockCount to have fixed amount of memory allocated + throughout whole lifetime of this pool. + */ + size_t maxBlockCount; + /** \brief A floating-point value between 0 and 1, indicating the priority of the allocations in this pool relative to other memory allocations. + + It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object. + Otherwise, this variable is ignored. + */ + float priority; + /** \brief Additional minimum alignment to be used for all allocations created from this pool. Can be 0. + + Leave 0 (default) not to impose any additional alignment. If not 0, it must be a power of two. + It can be useful in cases where alignment returned by Vulkan by functions like `vkGetBufferMemoryRequirements` is not enough, + e.g. when doing interop with OpenGL. + */ + VkDeviceSize minAllocationAlignment; + /** \brief Additional `pNext` chain to be attached to `VkMemoryAllocateInfo` used for every allocation made by this pool. Optional. + + Optional, can be null. If not null, it must point to a `pNext` chain of structures that can be attached to `VkMemoryAllocateInfo`. + It can be useful for special needs such as adding `VkExportMemoryAllocateInfoKHR`. + Structures pointed by this member must remain alive and unchanged for the whole lifetime of the custom pool. + + Please note that some structures, e.g. `VkMemoryPriorityAllocateInfoEXT`, `VkMemoryDedicatedAllocateInfoKHR`, + can be attached automatically by this library when using other, more convenient of its features. + */ + void* VMA_NULLABLE pMemoryAllocateNext; +} VmaPoolCreateInfo; + +/** @} */ + +/** +\addtogroup group_stats +@{ +*/ + +/// Describes parameter of existing #VmaPool. +typedef struct VmaPoolStats +{ + /** \brief Total amount of `VkDeviceMemory` allocated from Vulkan for this pool, in bytes. + */ + VkDeviceSize size; + /** \brief Total number of bytes in the pool not used by any #VmaAllocation. + */ + VkDeviceSize unusedSize; + /** \brief Number of #VmaAllocation objects created from this pool that were not destroyed. + */ + size_t allocationCount; + /** \brief Number of continuous memory ranges in the pool not used by any #VmaAllocation. + */ + size_t unusedRangeCount; + /** \brief Number of `VkDeviceMemory` blocks allocated for this pool. + */ + size_t blockCount; +} VmaPoolStats; + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +/// Parameters of #VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo(). +typedef struct VmaAllocationInfo +{ + /** \brief Memory type index that this allocation was allocated from. + + It never changes. + */ + uint32_t memoryType; + /** \brief Handle to Vulkan memory object. + + Same memory object can be shared by multiple allocations. + + It can change after call to vmaDefragment() if this allocation is passed to the function. + */ + VkDeviceMemory VMA_NULLABLE_NON_DISPATCHABLE deviceMemory; + /** \brief Offset in `VkDeviceMemory` object to the beginning of this allocation, in bytes. `(deviceMemory, offset)` pair is unique to this allocation. + + You usually don't need to use this offset. If you create a buffer or an image together with the allocation using e.g. function + vmaCreateBuffer(), vmaCreateImage(), functions that operate on these resources refer to the beginning of the buffer or image, + not entire device memory block. Functions like vmaMapMemory(), vmaBindBufferMemory() also refer to the beginning of the allocation + and apply this offset automatically. + + It can change after call to vmaDefragment() if this allocation is passed to the function. + */ + VkDeviceSize offset; + /** \brief Size of this allocation, in bytes. + + It never changes. + + \note Allocation size returned in this variable may be greater than the size + requested for the resource e.g. as `VkBufferCreateInfo::size`. Whole size of the + allocation is accessible for operations on memory e.g. using a pointer after + mapping with vmaMapMemory(), but operations on the resource e.g. using + `vkCmdCopyBuffer` must be limited to the size of the resource. + */ + VkDeviceSize size; + /** \brief Pointer to the beginning of this allocation as mapped data. + + If the allocation hasn't been mapped using vmaMapMemory() and hasn't been + created with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag, this value is null. + + It can change after call to vmaMapMemory(), vmaUnmapMemory(). + It can also change after call to vmaDefragment() if this allocation is passed to the function. + */ + void* VMA_NULLABLE pMappedData; + /** \brief Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vmaSetAllocationUserData(). + + It can change after call to vmaSetAllocationUserData() for this allocation. + */ + void* VMA_NULLABLE pUserData; +} VmaAllocationInfo; + +/** \brief Parameters for defragmentation. + +To be used with function vmaDefragmentationBegin(). +*/ +typedef struct VmaDefragmentationInfo2 +{ + /** \brief Reserved for future use. Should be 0. + */ + VmaDefragmentationFlags flags; + /** \brief Number of allocations in `pAllocations` array. + */ + uint32_t allocationCount; + /** \brief Pointer to array of allocations that can be defragmented. + + The array should have `allocationCount` elements. + The array should not contain nulls. + Elements in the array should be unique - same allocation cannot occur twice. + All allocations not present in this array are considered non-moveable during this defragmentation. + */ + const VmaAllocation VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations; + /** \brief Optional, output. Pointer to array that will be filled with information whether the allocation at certain index has been changed during defragmentation. + + The array should have `allocationCount` elements. + You can pass null if you are not interested in this information. + */ + VkBool32* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationsChanged; + /** \brief Numer of pools in `pPools` array. + */ + uint32_t poolCount; + /** \brief Either null or pointer to array of pools to be defragmented. + + All the allocations in the specified pools can be moved during defragmentation + and there is no way to check if they were really moved as in `pAllocationsChanged`, + so you must query all the allocations in all these pools for new `VkDeviceMemory` + and offset using vmaGetAllocationInfo() if you might need to recreate buffers + and images bound to them. + + The array should have `poolCount` elements. + The array should not contain nulls. + Elements in the array should be unique - same pool cannot occur twice. + + Using this array is equivalent to specifying all allocations from the pools in `pAllocations`. + It might be more efficient. + */ + const VmaPool VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(poolCount) pPools; + /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on CPU side, like `memcpy()`, `memmove()`. + + `VK_WHOLE_SIZE` means no limit. + */ + VkDeviceSize maxCpuBytesToMove; + /** \brief Maximum number of allocations that can be moved to a different place using transfers on CPU side, like `memcpy()`, `memmove()`. + + `UINT32_MAX` means no limit. + */ + uint32_t maxCpuAllocationsToMove; + /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on GPU side, posted to `commandBuffer`. + + `VK_WHOLE_SIZE` means no limit. + */ + VkDeviceSize maxGpuBytesToMove; + /** \brief Maximum number of allocations that can be moved to a different place using transfers on GPU side, posted to `commandBuffer`. + + `UINT32_MAX` means no limit. + */ + uint32_t maxGpuAllocationsToMove; + /** \brief Optional. Command buffer where GPU copy commands will be posted. + + If not null, it must be a valid command buffer handle that supports Transfer queue type. + It must be in the recording state and outside of a render pass instance. + You need to submit it and make sure it finished execution before calling vmaDefragmentationEnd(). + + Passing null means that only CPU defragmentation will be performed. + */ + VkCommandBuffer VMA_NULLABLE commandBuffer; +} VmaDefragmentationInfo2; + +typedef struct VmaDefragmentationPassMoveInfo +{ + VmaAllocation VMA_NOT_NULL allocation; + VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory; + VkDeviceSize offset; +} VmaDefragmentationPassMoveInfo; + +/** \brief Parameters for incremental defragmentation steps. + +To be used with function vmaBeginDefragmentationPass(). +*/ +typedef struct VmaDefragmentationPassInfo +{ + uint32_t moveCount; + VmaDefragmentationPassMoveInfo* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(moveCount) pMoves; +} VmaDefragmentationPassInfo; + +/** \brief Deprecated. Optional configuration parameters to be passed to function vmaDefragment(). + +\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. +*/ +typedef struct VmaDefragmentationInfo +{ + /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places. + + Default is `VK_WHOLE_SIZE`, which means no limit. + */ + VkDeviceSize maxBytesToMove; + /** \brief Maximum number of allocations that can be moved to different place. + + Default is `UINT32_MAX`, which means no limit. + */ + uint32_t maxAllocationsToMove; +} VmaDefragmentationInfo; + +/// Statistics returned by function vmaDefragment(). +typedef struct VmaDefragmentationStats +{ + /// Total number of bytes that have been copied while moving allocations to different places. + VkDeviceSize bytesMoved; + /// Total number of bytes that have been released to the system by freeing empty `VkDeviceMemory` objects. + VkDeviceSize bytesFreed; + /// Number of allocations that have been moved to different places. + uint32_t allocationsMoved; + /// Number of empty `VkDeviceMemory` objects that have been released to the system. + uint32_t deviceMemoryBlocksFreed; +} VmaDefragmentationStats; + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/// Parameters of created #VmaVirtualBlock object to be passed to vmaCreateVirtualBlock(). +typedef struct VmaVirtualBlockCreateInfo +{ + /** \brief Total size of the virtual block. + + Sizes can be expressed in bytes or any units you want as long as you are consistent in using them. + For example, if you allocate from some array of structures, 1 can mean single instance of entire structure. + */ + VkDeviceSize size; + + /** \brief Use combination of #VmaVirtualBlockCreateFlagBits. + */ + VmaVirtualBlockCreateFlags flags; + + /** \brief Custom CPU memory allocation callbacks. Optional. + + Optional, can be null. When specified, they will be used for all CPU-side memory allocations. + */ + const VkAllocationCallbacks* VMA_NULLABLE pAllocationCallbacks; +} VmaVirtualBlockCreateInfo; + +/// Parameters of created virtual allocation to be passed to vmaVirtualAllocate(). +typedef struct VmaVirtualAllocationCreateInfo +{ + /** \brief Size of the allocation. + + Cannot be zero. + */ + VkDeviceSize size; + /** \brief Required alignment of the allocation. Optional. + + Must be power of two. Special value 0 has the same meaning as 1 - means no special alignment is required, so allocation can start at any offset. + */ + VkDeviceSize alignment; + /** \brief Use combination of #VmaVirtualAllocationCreateFlagBits. + */ + VmaVirtualAllocationCreateFlags flags; + /** \brief Custom pointer to be associated with the allocation. Optional. + + It can be any value and can be used for user-defined purposes. It can be fetched or changed later. + */ + void* VMA_NULLABLE pUserData; +} VmaVirtualAllocationCreateInfo; + +/// Parameters of an existing virtual allocation, returned by vmaGetVirtualAllocationInfo(). +typedef struct VmaVirtualAllocationInfo +{ + /** \brief Offset of the allocation. + + Offset at which the allocation was made. + */ + VkDeviceSize offset; + /** \brief Size of the allocation. + + Same value as passed in VmaVirtualAllocationCreateInfo::size. + */ + VkDeviceSize size; + /** \brief Custom pointer associated with the allocation. + + Same value as passed in VmaVirtualAllocationCreateInfo::pUserData or to vmaSetVirtualAllocationUserData(). + */ + void* VMA_NULLABLE pUserData; +} VmaVirtualAllocationInfo; + +/** @} */ + +#endif // _VMA_DATA_TYPES_DECLARATIONS + +#ifndef _VMA_FUNCTION_HEADERS + +/** +\addtogroup group_init +@{ +*/ + +/// Creates #VmaAllocator object. +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( + const VmaAllocatorCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocator VMA_NULLABLE* VMA_NOT_NULL pAllocator); + +/// Destroys allocator object. +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( + VmaAllocator VMA_NULLABLE allocator); + +/** \brief Returns information about existing #VmaAllocator object - handle to Vulkan device etc. + +It might be useful if you want to keep just the #VmaAllocator handle and fetch other required handles to +`VkPhysicalDevice`, `VkDevice` etc. every time using this function. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocatorInfo* VMA_NOT_NULL pAllocatorInfo); + +/** +PhysicalDeviceProperties are fetched from physicalDevice by the allocator. +You can access it here, without fetching it again on your own. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( + VmaAllocator VMA_NOT_NULL allocator, + const VkPhysicalDeviceProperties* VMA_NULLABLE* VMA_NOT_NULL ppPhysicalDeviceProperties); + +/** +PhysicalDeviceMemoryProperties are fetched from physicalDevice by the allocator. +You can access it here, without fetching it again on your own. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + const VkPhysicalDeviceMemoryProperties* VMA_NULLABLE* VMA_NOT_NULL ppPhysicalDeviceMemoryProperties); + +/** +\brief Given Memory Type Index, returns Property Flags of this memory type. + +This is just a convenience function. Same information can be obtained using +vmaGetMemoryProperties(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeIndex, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags); + +/** \brief Sets index of the current frame. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t frameIndex); + +/** @} */ + +/** +\addtogroup group_stats +@{ +*/ + +/** \brief Retrieves statistics from current state of the Allocator. + +This function is called "calculate" not "get" because it has to traverse all +internal data structures, so it may be quite slow. For faster but more brief statistics +suitable to be called every frame or every allocation, use vmaGetHeapBudgets(). + +Note that when using allocator from multiple threads, returned information may immediately +become outdated. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( + VmaAllocator VMA_NOT_NULL allocator, + VmaStats* VMA_NOT_NULL pStats); + +/** \brief Retrieves information about current memory budget for all memory heaps. + +\param allocator +\param[out] pBudgets Must point to array with number of elements at least equal to number of memory heaps in physical device used. + +This function is called "get" not "calculate" because it is very fast, suitable to be called +every frame or every allocation. For more detailed statistics use vmaCalculateStats(). + +Note that when using allocator from multiple threads, returned information may immediately +become outdated. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetHeapBudgets( + VmaAllocator VMA_NOT_NULL allocator, + VmaBudget* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount") pBudgets); + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +/** +\brief Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo. + +This algorithm tries to find a memory type that: + +- Is allowed by memoryTypeBits. +- Contains all the flags from pAllocationCreateInfo->requiredFlags. +- Matches intended usage. +- Has as many flags from pAllocationCreateInfo->preferredFlags as possible. + +\return Returns VK_ERROR_FEATURE_NOT_PRESENT if not found. Receiving such result +from this function or any other allocating function probably means that your +device doesn't support any memory type with requested features for the specific +type of resource you want to use it for. Please check parameters of your +resource, like image layout (OPTIMAL versus LINEAR) or mip level count. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeBits, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); + +/** +\brief Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo. + +It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. +It internally creates a temporary, dummy buffer that never has memory bound. +It is just a convenience function, equivalent to calling: + +- `vkCreateBuffer` +- `vkGetBufferMemoryRequirements` +- `vmaFindMemoryTypeIndex` +- `vkDestroyBuffer` +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); + +/** +\brief Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo. + +It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. +It internally creates a temporary, dummy image that never has memory bound. +It is just a convenience function, equivalent to calling: + +- `vkCreateImage` +- `vkGetImageMemoryRequirements` +- `vmaFindMemoryTypeIndex` +- `vkDestroyImage` +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( + VmaAllocator VMA_NOT_NULL allocator, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); + +/** \brief Allocates Vulkan device memory and creates #VmaPool object. + +\param allocator Allocator object. +\param pCreateInfo Parameters of pool to create. +\param[out] pPool Handle to created pool. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( + VmaAllocator VMA_NOT_NULL allocator, + const VmaPoolCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaPool VMA_NULLABLE* VMA_NOT_NULL pPool); + +/** \brief Destroys #VmaPool object and frees Vulkan device memory. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NULLABLE pool); + +/** @} */ + +/** +\addtogroup group_stats +@{ +*/ + +/** \brief Retrieves statistics of existing #VmaPool object. + +\param allocator Allocator object. +\param pool Pool object. +\param[out] pPoolStats Statistics of specified pool. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + VmaPoolStats* VMA_NOT_NULL pPoolStats); + +/** @} */ + +/** +\addtogroup group_alloc +@{ +*/ + +/** \brief Checks magic number in margins around all allocations in given memory pool in search for corruptions. + +Corruption detection is enabled only when `VMA_DEBUG_DETECT_CORRUPTION` macro is defined to nonzero, +`VMA_DEBUG_MARGIN` is defined to nonzero and the pool is created in memory type that is +`HOST_VISIBLE` and `HOST_COHERENT`. For more information, see [Corruption detection](@ref debugging_memory_usage_corruption_detection). + +Possible return values: + +- `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for specified pool. +- `VK_SUCCESS` - corruption detection has been performed and succeeded. +- `VK_ERROR_UNKNOWN` - corruption detection has been performed and found memory corruptions around one of the allocations. + `VMA_ASSERT` is also fired in that case. +- Other value: Error returned by Vulkan, e.g. memory mapping failure. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool); + +/** \brief Retrieves name of a custom pool. + +After the call `ppName` is either null or points to an internally-owned null-terminated string +containing name of the pool that was previously set. The pointer becomes invalid when the pool is +destroyed or its name is changed using vmaSetPoolName(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + const char* VMA_NULLABLE* VMA_NOT_NULL ppName); + +/** \brief Sets name of a custom pool. + +`pName` can be either null or pointer to a null-terminated string with new name for the pool. +Function makes internal copy of the string, so it can be changed or freed immediately after this call. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + const char* VMA_NULLABLE pName); + +/** \brief General purpose memory allocation. + +\param allocator +\param pVkMemoryRequirements +\param pCreateInfo +\param[out] pAllocation Handle to allocated memory. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). + +You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). + +It is recommended to use vmaAllocateMemoryForBuffer(), vmaAllocateMemoryForImage(), +vmaCreateBuffer(), vmaCreateImage() instead whenever possible. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( + VmaAllocator VMA_NOT_NULL allocator, + const VkMemoryRequirements* VMA_NOT_NULL pVkMemoryRequirements, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief General purpose memory allocation for multiple allocation objects at once. + +\param allocator Allocator object. +\param pVkMemoryRequirements Memory requirements for each allocation. +\param pCreateInfo Creation parameters for each allocation. +\param allocationCount Number of allocations to make. +\param[out] pAllocations Pointer to array that will be filled with handles to created allocations. +\param[out] pAllocationInfo Optional. Pointer to array that will be filled with parameters of created allocations. + +You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). + +Word "pages" is just a suggestion to use this function to allocate pieces of memory needed for sparse binding. +It is just a general purpose allocation function able to make multiple allocations at once. +It may be internally optimized to be more efficient than calling vmaAllocateMemory() `allocationCount` times. + +All allocations are made using same parameters. All of them are created out of the same memory pool and type. +If any allocation fails, all allocations already made within this function call are also freed, so that when +returned result is not `VK_SUCCESS`, `pAllocation` array is always entirely filled with `VK_NULL_HANDLE`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( + VmaAllocator VMA_NOT_NULL allocator, + const VkMemoryRequirements* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pVkMemoryRequirements, + const VmaAllocationCreateInfo* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pCreateInfo, + size_t allocationCount, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations, + VmaAllocationInfo* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationInfo); + +/** +\param allocator +\param buffer +\param pCreateInfo +\param[out] pAllocation Handle to allocated memory. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). + +You should free the memory using vmaFreeMemory(). +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( + VmaAllocator VMA_NOT_NULL allocator, + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/// Function similar to vmaAllocateMemoryForBuffer(). +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( + VmaAllocator VMA_NOT_NULL allocator, + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(), or vmaAllocateMemoryForImage(). + +Passing `VK_NULL_HANDLE` as `allocation` is valid. Such function call is just skipped. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( + VmaAllocator VMA_NOT_NULL allocator, + const VmaAllocation VMA_NULLABLE allocation); + +/** \brief Frees memory and destroys multiple allocations. + +Word "pages" is just a suggestion to use this function to free pieces of memory used for sparse binding. +It is just a general purpose function to free memory and destroy allocations made using e.g. vmaAllocateMemory(), +vmaAllocateMemoryPages() and other functions. +It may be internally optimized to be more efficient than calling vmaFreeMemory() `allocationCount` times. + +Allocations in `pAllocations` array can come from any memory pools and types. +Passing `VK_NULL_HANDLE` as elements of `pAllocations` array is valid. Such entries are just skipped. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( + VmaAllocator VMA_NOT_NULL allocator, + size_t allocationCount, + const VmaAllocation VMA_NULLABLE* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations); + +/** \brief Returns current information about specified allocation. + +Current paramteres of given allocation are returned in `pAllocationInfo`. + +Although this function doesn't lock any mutex, so it should be quite efficient, +you should avoid calling it too often. +You can retrieve same VmaAllocationInfo structure while creating your resource, from function +vmaCreateBuffer(), vmaCreateImage(). You can remember it if you are sure parameters don't change +(e.g. due to defragmentation). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VmaAllocationInfo* VMA_NOT_NULL pAllocationInfo); + +/** \brief Sets pUserData in given allocation to new value. + +If the allocation was created with VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT, +pUserData must be either null, or pointer to a null-terminated string. The function +makes local copy of the string and sets it as allocation's `pUserData`. String +passed as pUserData doesn't need to be valid for whole lifetime of the allocation - +you can free it after this call. String previously pointed by allocation's +pUserData is freed from memory. + +If the flag was not used, the value of pointer `pUserData` is just copied to +allocation's `pUserData`. It is opaque, so you can use it however you want - e.g. +as a pointer, ordinal number or some handle to you own data. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + void* VMA_NULLABLE pUserData); + +/** +\brief Given an allocation, returns Property Flags of its memory type. + +This is just a convenience function. Same information can be obtained using +vmaGetAllocationInfo() + vmaGetMemoryProperties(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags); + +/** \brief Maps memory represented by given allocation and returns pointer to it. + +Maps memory represented by given allocation to make it accessible to CPU code. +When succeeded, `*ppData` contains pointer to first byte of this memory. + +\warning +If the allocation is part of a bigger `VkDeviceMemory` block, returned pointer is +correctly offsetted to the beginning of region assigned to this particular allocation. +Unlike the result of `vkMapMemory`, it points to the allocation, not to the beginning of the whole block. +You should not add VmaAllocationInfo::offset to it! + +Mapping is internally reference-counted and synchronized, so despite raw Vulkan +function `vkMapMemory()` cannot be used to map same block of `VkDeviceMemory` +multiple times simultaneously, it is safe to call this function on allocations +assigned to the same memory block. Actual Vulkan memory will be mapped on first +mapping and unmapped on last unmapping. + +If the function succeeded, you must call vmaUnmapMemory() to unmap the +allocation when mapping is no longer needed or before freeing the allocation, at +the latest. + +It also safe to call this function multiple times on the same allocation. You +must call vmaUnmapMemory() same number of times as you called vmaMapMemory(). + +It is also safe to call this function on allocation created with +#VMA_ALLOCATION_CREATE_MAPPED_BIT flag. Its memory stays mapped all the time. +You must still call vmaUnmapMemory() same number of times as you called +vmaMapMemory(). You must not call vmaUnmapMemory() additional time to free the +"0-th" mapping made automatically due to #VMA_ALLOCATION_CREATE_MAPPED_BIT flag. + +This function fails when used on allocation made in memory type that is not +`HOST_VISIBLE`. + +This function doesn't automatically flush or invalidate caches. +If the allocation is made from a memory types that is not `HOST_COHERENT`, +you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + void* VMA_NULLABLE* VMA_NOT_NULL ppData); + +/** \brief Unmaps memory represented by given allocation, mapped previously using vmaMapMemory(). + +For details, see description of vmaMapMemory(). + +This function doesn't automatically flush or invalidate caches. +If the allocation is made from a memory types that is not `HOST_COHERENT`, +you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation); + +/** \brief Flushes memory of given allocation. + +Calls `vkFlushMappedMemoryRanges()` for memory associated with given range of given allocation. +It needs to be called after writing to a mapped memory for memory types that are not `HOST_COHERENT`. +Unmap operation doesn't do that automatically. + +- `offset` must be relative to the beginning of allocation. +- `size` can be `VK_WHOLE_SIZE`. It means all memory from `offset` the the end of given allocation. +- `offset` and `size` don't have to be aligned. + They are internally rounded down/up to multiply of `nonCoherentAtomSize`. +- If `size` is 0, this call is ignored. +- If memory type that the `allocation` belongs to is not `HOST_VISIBLE` or it is `HOST_COHERENT`, + this call is ignored. + +Warning! `offset` and `size` are relative to the contents of given `allocation`. +If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. +Do not pass allocation's offset as `offset`!!! + +This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize offset, + VkDeviceSize size); + +/** \brief Invalidates memory of given allocation. + +Calls `vkInvalidateMappedMemoryRanges()` for memory associated with given range of given allocation. +It needs to be called before reading from a mapped memory for memory types that are not `HOST_COHERENT`. +Map operation doesn't do that automatically. + +- `offset` must be relative to the beginning of allocation. +- `size` can be `VK_WHOLE_SIZE`. It means all memory from `offset` the the end of given allocation. +- `offset` and `size` don't have to be aligned. + They are internally rounded down/up to multiply of `nonCoherentAtomSize`. +- If `size` is 0, this call is ignored. +- If memory type that the `allocation` belongs to is not `HOST_VISIBLE` or it is `HOST_COHERENT`, + this call is ignored. + +Warning! `offset` and `size` are relative to the contents of given `allocation`. +If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. +Do not pass allocation's offset as `offset`!!! + +This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if +it is called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize offset, + VkDeviceSize size); + +/** \brief Flushes memory of given set of allocations. + +Calls `vkFlushMappedMemoryRanges()` for memory associated with given ranges of given allocations. +For more information, see documentation of vmaFlushAllocation(). + +\param allocator +\param allocationCount +\param allocations +\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. +\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. + +This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t allocationCount, + const VmaAllocation VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); + +/** \brief Invalidates memory of given set of allocations. + +Calls `vkInvalidateMappedMemoryRanges()` for memory associated with given ranges of given allocations. +For more information, see documentation of vmaInvalidateAllocation(). + +\param allocator +\param allocationCount +\param allocations +\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. +\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. + +This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t allocationCount, + const VmaAllocation VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); + +/** \brief Checks magic number in margins around all allocations in given memory types (in both default and custom pools) in search for corruptions. + +\param allocator +\param memoryTypeBits Bit mask, where each bit set means that a memory type with that index should be checked. + +Corruption detection is enabled only when `VMA_DEBUG_DETECT_CORRUPTION` macro is defined to nonzero, +`VMA_DEBUG_MARGIN` is defined to nonzero and only for memory types that are +`HOST_VISIBLE` and `HOST_COHERENT`. For more information, see [Corruption detection](@ref debugging_memory_usage_corruption_detection). + +Possible return values: + +- `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for any of specified memory types. +- `VK_SUCCESS` - corruption detection has been performed and succeeded. +- `VK_ERROR_UNKNOWN` - corruption detection has been performed and found memory corruptions around one of the allocations. + `VMA_ASSERT` is also fired in that case. +- Other value: Error returned by Vulkan, e.g. memory mapping failure. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeBits); + +/** \brief Begins defragmentation process. + +\param allocator Allocator object. +\param pInfo Structure filled with parameters of defragmentation. +\param[out] pStats Optional. Statistics of defragmentation. You can pass null if you are not interested in this information. +\param[out] pContext Context object that must be passed to vmaDefragmentationEnd() to finish defragmentation. +\return `VK_SUCCESS` and `*pContext == null` if defragmentation finished within this function call. `VK_NOT_READY` and `*pContext != null` if defragmentation has been started and you need to call vmaDefragmentationEnd() to finish it. Negative value in case of error. + +Use this function instead of old, deprecated vmaDefragment(). + +Warning! Between the call to vmaDefragmentationBegin() and vmaDefragmentationEnd(): + +- You should not use any of allocations passed as `pInfo->pAllocations` or + any allocations that belong to pools passed as `pInfo->pPools`, + including calling vmaGetAllocationInfo(), or access + their data. +- Some mutexes protecting internal data structures may be locked, so trying to + make or free any allocations, bind buffers or images, map memory, or launch + another simultaneous defragmentation in between may cause stall (when done on + another thread) or deadlock (when done on the same thread), unless you are + 100% sure that defragmented allocations are in different pools. +- Information returned via `pStats` and `pInfo->pAllocationsChanged` are undefined. + They become valid after call to vmaDefragmentationEnd(). +- If `pInfo->commandBuffer` is not null, you must submit that command buffer + and make sure it finished execution before calling vmaDefragmentationEnd(). + +For more information and important limitations regarding defragmentation, see documentation chapter: +[Defragmentation](@ref defragmentation). +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( + VmaAllocator VMA_NOT_NULL allocator, + const VmaDefragmentationInfo2* VMA_NOT_NULL pInfo, + VmaDefragmentationStats* VMA_NULLABLE pStats, + VmaDefragmentationContext VMA_NULLABLE* VMA_NOT_NULL pContext); + +/** \brief Ends defragmentation process. + +Use this function to finish defragmentation started by vmaDefragmentationBegin(). +It is safe to pass `context == null`. The function then does nothing. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NULLABLE context); + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NULLABLE context, + VmaDefragmentationPassInfo* VMA_NOT_NULL pInfo); + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NULLABLE context); + +/** \brief Deprecated. Compacts memory by moving allocations. + +\param allocator +\param pAllocations Array of allocations that can be moved during this compation. +\param allocationCount Number of elements in pAllocations and pAllocationsChanged arrays. +\param[out] pAllocationsChanged Array of boolean values that will indicate whether matching allocation in pAllocations array has been moved. This parameter is optional. Pass null if you don't need this information. +\param pDefragmentationInfo Configuration parameters. Optional - pass null to use default values. +\param[out] pDefragmentationStats Statistics returned by the function. Optional - pass null if you don't need this information. +\return `VK_SUCCESS` if completed, negative error code in case of error. + +\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. + +This function works by moving allocations to different places (different +`VkDeviceMemory` objects and/or different offsets) in order to optimize memory +usage. Only allocations that are in `pAllocations` array can be moved. All other +allocations are considered nonmovable in this call. Basic rules: + +- Only allocations made in memory types that have + `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` and `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT` + flags can be compacted. You may pass other allocations but it makes no sense - + these will never be moved. +- Custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT or + #VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT flag are not defragmented. Allocations + passed to this function that come from such pools are ignored. +- Allocations created with #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT or + created as dedicated allocations for any other reason are also ignored. +- Both allocations made with or without #VMA_ALLOCATION_CREATE_MAPPED_BIT + flag can be compacted. If not persistently mapped, memory will be mapped + temporarily inside this function if needed. +- You must not pass same #VmaAllocation object multiple times in `pAllocations` array. + +The function also frees empty `VkDeviceMemory` blocks. + +Warning: This function may be time-consuming, so you shouldn't call it too often +(like after every resource creation/destruction). +You can call it on special occasions (like when reloading a game level or +when you just destroyed a lot of objects). Calling it every frame may be OK, but +you should measure that on your platform. + +For more information, see [Defragmentation](@ref defragmentation) chapter. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( + VmaAllocator VMA_NOT_NULL allocator, + const VmaAllocation VMA_NOT_NULL* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations, + size_t allocationCount, + VkBool32* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationsChanged, + const VmaDefragmentationInfo* VMA_NULLABLE pDefragmentationInfo, + VmaDefragmentationStats* VMA_NULLABLE pDefragmentationStats); + +/** \brief Binds buffer to allocation. + +Binds specified buffer to region of memory represented by specified allocation. +Gets `VkDeviceMemory` handle and offset from the allocation. +If you want to create a buffer, allocate memory for it and bind them together separately, +you should use this function for binding instead of standard `vkBindBufferMemory()`, +because it ensures proper synchronization so that when a `VkDeviceMemory` object is used by multiple +allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from multiple threads simultaneously +(which is illegal in Vulkan). + +It is recommended to use function vmaCreateBuffer() instead of this one. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer); + +/** \brief Binds buffer to allocation with additional parameters. + +\param allocator +\param allocation +\param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. +\param buffer +\param pNext A chain of structures to be attached to `VkBindBufferMemoryInfoKHR` structure used internally. Normally it should be null. + +This function is similar to vmaBindBufferMemory(), but it provides additional parameters. + +If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag +or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory2( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize allocationLocalOffset, + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, + const void* VMA_NULLABLE pNext); + +/** \brief Binds image to allocation. + +Binds specified image to region of memory represented by specified allocation. +Gets `VkDeviceMemory` handle and offset from the allocation. +If you want to create an image, allocate memory for it and bind them together separately, +you should use this function for binding instead of standard `vkBindImageMemory()`, +because it ensures proper synchronization so that when a `VkDeviceMemory` object is used by multiple +allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from multiple threads simultaneously +(which is illegal in Vulkan). + +It is recommended to use function vmaCreateImage() instead of this one. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image); + +/** \brief Binds image to allocation with additional parameters. + +\param allocator +\param allocation +\param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. +\param image +\param pNext A chain of structures to be attached to `VkBindImageMemoryInfoKHR` structure used internally. Normally it should be null. + +This function is similar to vmaBindImageMemory(), but it provides additional parameters. + +If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag +or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory2( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize allocationLocalOffset, + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, + const void* VMA_NULLABLE pNext); + +/** +\param allocator +\param pBufferCreateInfo +\param pAllocationCreateInfo +\param[out] pBuffer Buffer that was created. +\param[out] pAllocation Allocation that was created. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). + +This function automatically: + +-# Creates buffer. +-# Allocates appropriate memory for it. +-# Binds the buffer with the memory. + +If any of these operations fail, buffer and allocation are not created, +returned value is negative error code, *pBuffer and *pAllocation are null. + +If the function succeeded, you must destroy both buffer and allocation when you +no longer need them using either convenience function vmaDestroyBuffer() or +separately, using `vkDestroyBuffer()` and vmaFreeMemory(). + +If #VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag was used, +VK_KHR_dedicated_allocation extension is used internally to query driver whether +it requires or prefers the new buffer to have dedicated allocation. If yes, +and if dedicated allocation is possible +(#VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT is not used), it creates dedicated +allocation for this buffer, just like when using +#VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + +\note This function creates a new `VkBuffer`. Sub-allocation of parts of one large buffer, +although recommended as a good practice, is out of scope of this library and could be implemented +by the user as a higher-level logic on top of VMA. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Creates a buffer with additional minimum alignment. + +Similar to vmaCreateBuffer() but provides additional parameter `minAlignment` which allows to specify custom, +minimum alignment to be used when placing the buffer inside a larger memory block, which may be needed e.g. +for interop with OpenGL. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment( + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkDeviceSize minAlignment, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Destroys Vulkan buffer and frees allocated memory. + +This is just a convenience function equivalent to: + +\code +vkDestroyBuffer(device, buffer, allocationCallbacks); +vmaFreeMemory(allocator, allocation); +\endcode + +It it safe to pass null as buffer and/or allocation. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( + VmaAllocator VMA_NOT_NULL allocator, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE buffer, + VmaAllocation VMA_NULLABLE allocation); + +/// Function similar to vmaCreateBuffer(). +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( + VmaAllocator VMA_NOT_NULL allocator, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkImage VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pImage, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Destroys Vulkan image and frees allocated memory. + +This is just a convenience function equivalent to: + +\code +vkDestroyImage(device, image, allocationCallbacks); +vmaFreeMemory(allocator, allocation); +\endcode + +It it safe to pass null as image and/or allocation. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( + VmaAllocator VMA_NOT_NULL allocator, + VkImage VMA_NULLABLE_NON_DISPATCHABLE image, + VmaAllocation VMA_NULLABLE allocation); + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/** \brief Creates new #VmaVirtualBlock object. + +\param pCreateInfo Parameters for creation. +\param[out] pVirtualBlock Returned virtual block object or `VMA_NULL` if creation failed. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateVirtualBlock( + const VmaVirtualBlockCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualBlock VMA_NULLABLE* VMA_NOT_NULL pVirtualBlock); + +/** \brief Destroys #VmaVirtualBlock object. + +Please note that you should consciously handle virtual allocations that could remain unfreed in the block. +You should either free them individually using vmaVirtualFree() or call vmaClearVirtualBlock() +if you are sure this is what you want. If you do neither, an assert is called. + +If you keep pointers to some additional metadata associated with your virtual allocations in their `pUserData`, +don't forget to free them. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyVirtualBlock( + VmaVirtualBlock VMA_NULLABLE virtualBlock); + +/** \brief Returns true of the #VmaVirtualBlock is empty - contains 0 virtual allocations and has all its space available for new allocations. +*/ +VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty( + VmaVirtualBlock VMA_NOT_NULL virtualBlock); + +/** \brief Returns information about a specific virtual allocation within a virtual block, like its size and `pUserData` pointer. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo); + +/** \brief Allocates new virtual allocation inside given #VmaVirtualBlock. + +If the allocation fails due to not enough free space available, `VK_ERROR_OUT_OF_DEVICE_MEMORY` is returned +(despite the function doesn't ever allocate actual GPU memory). +`pAllocation` is then set to `VK_NULL_HANDLE` and `pOffset`, if not null, it set to `UINT64_MAX`. + +\param virtualBlock Virtual block +\param pCreateInfo Parameters for the allocation +\param[out] pAllocation Returned handle of the new allocation +\param[out] pOffset Returned offset of the new allocation. Optional, can be null. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset); + +/** \brief Frees virtual allocation inside given #VmaVirtualBlock. + +It is correct to call this function with `allocation == VK_NULL_HANDLE` - it does nothing. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation); + +/** \brief Frees all virtual allocations inside given #VmaVirtualBlock. + +You must either call this function or free each virtual allocation individually with vmaVirtualFree() +before destroying a virtual block. Otherwise, an assert is called. + +If you keep pointer to some additional metadata associated with your virtual allocation in its `pUserData`, +don't forget to free it as well. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock( + VmaVirtualBlock VMA_NOT_NULL virtualBlock); + +/** \brief Changes custom pointer associated with given virtual allocation. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, + void* VMA_NULLABLE pUserData); + +/** \brief Calculates and returns statistics about virtual allocations and memory usage in given #VmaVirtualBlock. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateVirtualBlockStats( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaStatInfo* VMA_NOT_NULL pStatInfo); + +/** @} */ + +#if VMA_STATS_STRING_ENABLED +/** +\addtogroup group_stats +@{ +*/ + +/** \brief Builds and returns a null-terminated string in JSON format with information about given #VmaVirtualBlock. +\param virtualBlock Virtual block. +\param[out] ppStatsString Returned string. +\param detailedMap Pass `VK_FALSE` to only obtain statistics as returned by vmaCalculateVirtualBlockStats(). Pass `VK_TRUE` to also obtain full list of allocations and free spaces. + +Returned string must be freed using vmaFreeVirtualBlockStatsString(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaBuildVirtualBlockStatsString( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE* VMA_NOT_NULL ppStatsString, + VkBool32 detailedMap); + +/// Frees a string returned by vmaBuildVirtualBlockStatsString(). +VMA_CALL_PRE void VMA_CALL_POST vmaFreeVirtualBlockStatsString( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE pStatsString); + +/** \brief Builds and returns statistics as a null-terminated string in JSON format. +\param allocator +\param[out] ppStatsString Must be freed using vmaFreeStatsString() function. +\param detailedMap +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( + VmaAllocator VMA_NOT_NULL allocator, + char* VMA_NULLABLE* VMA_NOT_NULL ppStatsString, + VkBool32 detailedMap); + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( + VmaAllocator VMA_NOT_NULL allocator, + char* VMA_NULLABLE pStatsString); + +/** @} */ + +#endif // VMA_STATS_STRING_ENABLED + +#endif // _VMA_FUNCTION_HEADERS + +#ifdef __cplusplus +} +#endif + +#endif // AMD_VULKAN_MEMORY_ALLOCATOR_H + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +// +// IMPLEMENTATION +// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// + +// For Visual Studio IntelliSense. +#if defined(__cplusplus) && defined(__INTELLISENSE__) +#define VMA_IMPLEMENTATION +#endif + +#ifdef VMA_IMPLEMENTATION +#undef VMA_IMPLEMENTATION + +#include +#include +#include +#include + +/******************************************************************************* +CONFIGURATION SECTION + +Define some of these macros before each #include of this header or change them +here if you need other then default behavior depending on your environment. +*/ +#ifndef _VMA_CONFIGURATION + +/* +Define this macro to 1 to make the library fetch pointers to Vulkan functions +internally, like: + + vulkanFunctions.vkAllocateMemory = &vkAllocateMemory; +*/ +#if !defined(VMA_STATIC_VULKAN_FUNCTIONS) && !defined(VK_NO_PROTOTYPES) + #define VMA_STATIC_VULKAN_FUNCTIONS 1 +#endif + +/* +Define this macro to 1 to make the library fetch pointers to Vulkan functions +internally, like: + + vulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkGetDeviceProcAddr(device, "vkAllocateMemory"); + +To use this feature in new versions of VMA you now have to pass +VmaVulkanFunctions::vkGetInstanceProcAddr and vkGetDeviceProcAddr as +VmaAllocatorCreateInfo::pVulkanFunctions. Other members can be null. +*/ +#if !defined(VMA_DYNAMIC_VULKAN_FUNCTIONS) + #define VMA_DYNAMIC_VULKAN_FUNCTIONS 1 +#endif + +#ifndef VMA_USE_STL_SHARED_MUTEX + // Compiler conforms to C++17. + #if __cplusplus >= 201703L + #define VMA_USE_STL_SHARED_MUTEX 1 + // Visual studio defines __cplusplus properly only when passed additional parameter: /Zc:__cplusplus + // Otherwise it is always 199711L, despite shared_mutex works since Visual Studio 2015 Update 2. + #elif defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918 && __cplusplus == 199711L && _MSVC_LANG >= 201703L + #define VMA_USE_STL_SHARED_MUTEX 1 + #else + #define VMA_USE_STL_SHARED_MUTEX 0 + #endif +#endif + +/* +Define this macro to include custom header files without having to edit this file directly, e.g.: + + // Inside of "my_vma_configuration_user_includes.h": + + #include "my_custom_assert.h" // for MY_CUSTOM_ASSERT + #include "my_custom_min.h" // for my_custom_min + #include + #include + + // Inside a different file, which includes "vk_mem_alloc.h": + + #define VMA_CONFIGURATION_USER_INCLUDES_H "my_vma_configuration_user_includes.h" + #define VMA_ASSERT(expr) MY_CUSTOM_ASSERT(expr) + #define VMA_MIN(v1, v2) (my_custom_min(v1, v2)) + #include "vk_mem_alloc.h" + ... + +The following headers are used in this CONFIGURATION section only, so feel free to +remove them if not needed. +*/ +#if !defined(VMA_CONFIGURATION_USER_INCLUDES_H) + #include // for assert + #include // for min, max + #include +#else + #include VMA_CONFIGURATION_USER_INCLUDES_H +#endif + +#ifndef VMA_NULL + // Value used as null pointer. Define it to e.g.: nullptr, NULL, 0, (void*)0. + #define VMA_NULL nullptr +#endif + +#if defined(__ANDROID_API__) && (__ANDROID_API__ < 16) +#include +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + // alignment must be >= sizeof(void*) + if(alignment < sizeof(void*)) + { + alignment = sizeof(void*); + } + + return memalign(alignment, size); +} +#elif defined(__APPLE__) || defined(__ANDROID__) || (defined(__linux__) && defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)) +#include + +#if defined(__APPLE__) +#include +#endif + +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + // Unfortunately, aligned_alloc causes VMA to crash due to it returning null pointers. (At least under 11.4) + // Therefore, for now disable this specific exception until a proper solution is found. + //#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0)) + //#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0 + // // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only + // // with the MacOSX11.0 SDK in Xcode 12 (which is what adds + // // MAC_OS_X_VERSION_10_16), even though the function is marked + // // availabe for 10.15. That is why the preprocessor checks for 10.16 but + // // the __builtin_available checks for 10.15. + // // People who use C++17 could call aligned_alloc with the 10.15 SDK already. + // if (__builtin_available(macOS 10.15, iOS 13, *)) + // return aligned_alloc(alignment, size); + //#endif + //#endif + + // alignment must be >= sizeof(void*) + if(alignment < sizeof(void*)) + { + alignment = sizeof(void*); + } + + void *pointer; + if(posix_memalign(&pointer, alignment, size) == 0) + return pointer; + return VMA_NULL; +} +#elif defined(_WIN32) +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + return _aligned_malloc(size, alignment); +} +#else +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + return aligned_alloc(alignment, size); +} +#endif + +#if defined(_WIN32) +static void vma_aligned_free(void* ptr) +{ + _aligned_free(ptr); +} +#else +static void vma_aligned_free(void* VMA_NULLABLE ptr) +{ + free(ptr); +} +#endif + +// If your compiler is not compatible with C++11 and definition of +// aligned_alloc() function is missing, uncommeting following line may help: + +//#include + +// Normal assert to check for programmer's errors, especially in Debug configuration. +#ifndef VMA_ASSERT + #ifdef NDEBUG + #define VMA_ASSERT(expr) + #else + #define VMA_ASSERT(expr) assert(expr) + #endif +#endif + +// Assert that will be called very often, like inside data structures e.g. operator[]. +// Making it non-empty can make program slow. +#ifndef VMA_HEAVY_ASSERT + #ifdef NDEBUG + #define VMA_HEAVY_ASSERT(expr) + #else + #define VMA_HEAVY_ASSERT(expr) //VMA_ASSERT(expr) + #endif +#endif + +#ifndef VMA_ALIGN_OF + #define VMA_ALIGN_OF(type) (__alignof(type)) +#endif + +#ifndef VMA_SYSTEM_ALIGNED_MALLOC + #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) vma_aligned_alloc((alignment), (size)) +#endif + +#ifndef VMA_SYSTEM_ALIGNED_FREE + // VMA_SYSTEM_FREE is the old name, but might have been defined by the user + #if defined(VMA_SYSTEM_FREE) + #define VMA_SYSTEM_ALIGNED_FREE(ptr) VMA_SYSTEM_FREE(ptr) + #else + #define VMA_SYSTEM_ALIGNED_FREE(ptr) vma_aligned_free(ptr) + #endif +#endif + +#ifndef VMA_BITSCAN_LSB + // Scans integer for index of first nonzero value from the Least Significant Bit (LSB). If mask is 0 then returns UINT8_MAX + #define VMA_BITSCAN_LSB(mask) VmaBitScanLSB(mask) +#endif + +#ifndef VMA_BITSCAN_MSB + // Scans integer for index of first nonzero value from the Most Significant Bit (MSB). If mask is 0 then returns UINT8_MAX + #define VMA_BITSCAN_MSB(mask) VmaBitScanMSB(mask) +#endif + +#ifndef VMA_MIN + #define VMA_MIN(v1, v2) ((std::min)((v1), (v2))) +#endif + +#ifndef VMA_MAX + #define VMA_MAX(v1, v2) ((std::max)((v1), (v2))) +#endif + +#ifndef VMA_SWAP + #define VMA_SWAP(v1, v2) std::swap((v1), (v2)) +#endif + +#ifndef VMA_SORT + #define VMA_SORT(beg, end, cmp) std::sort(beg, end, cmp) +#endif + +#ifndef VMA_DEBUG_LOG + #define VMA_DEBUG_LOG(format, ...) + /* + #define VMA_DEBUG_LOG(format, ...) do { \ + printf(format, __VA_ARGS__); \ + printf("\n"); \ + } while(false) + */ +#endif + +// Define this macro to 1 to enable functions: vmaBuildStatsString, vmaFreeStatsString. +#if VMA_STATS_STRING_ENABLED + static inline void VmaUint32ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint32_t num) + { + snprintf(outStr, strLen, "%u", static_cast(num)); + } + static inline void VmaUint64ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint64_t num) + { + snprintf(outStr, strLen, "%llu", static_cast(num)); + } + static inline void VmaPtrToStr(char* VMA_NOT_NULL outStr, size_t strLen, const void* ptr) + { + snprintf(outStr, strLen, "%p", ptr); + } +#endif + +#ifndef VMA_MUTEX + class VmaMutex + { + public: + void Lock() { m_Mutex.lock(); } + void Unlock() { m_Mutex.unlock(); } + bool TryLock() { return m_Mutex.try_lock(); } + private: + std::mutex m_Mutex; + }; + #define VMA_MUTEX VmaMutex +#endif + +// Read-write mutex, where "read" is shared access, "write" is exclusive access. +#ifndef VMA_RW_MUTEX + #if VMA_USE_STL_SHARED_MUTEX + // Use std::shared_mutex from C++17. + #include + class VmaRWMutex + { + public: + void LockRead() { m_Mutex.lock_shared(); } + void UnlockRead() { m_Mutex.unlock_shared(); } + bool TryLockRead() { return m_Mutex.try_lock_shared(); } + void LockWrite() { m_Mutex.lock(); } + void UnlockWrite() { m_Mutex.unlock(); } + bool TryLockWrite() { return m_Mutex.try_lock(); } + private: + std::shared_mutex m_Mutex; + }; + #define VMA_RW_MUTEX VmaRWMutex + #elif defined(_WIN32) && defined(WINVER) && WINVER >= 0x0600 + // Use SRWLOCK from WinAPI. + // Minimum supported client = Windows Vista, server = Windows Server 2008. + class VmaRWMutex + { + public: + VmaRWMutex() { InitializeSRWLock(&m_Lock); } + void LockRead() { AcquireSRWLockShared(&m_Lock); } + void UnlockRead() { ReleaseSRWLockShared(&m_Lock); } + bool TryLockRead() { return TryAcquireSRWLockShared(&m_Lock) != FALSE; } + void LockWrite() { AcquireSRWLockExclusive(&m_Lock); } + void UnlockWrite() { ReleaseSRWLockExclusive(&m_Lock); } + bool TryLockWrite() { return TryAcquireSRWLockExclusive(&m_Lock) != FALSE; } + private: + SRWLOCK m_Lock; + }; + #define VMA_RW_MUTEX VmaRWMutex + #else + // Less efficient fallback: Use normal mutex. + class VmaRWMutex + { + public: + void LockRead() { m_Mutex.Lock(); } + void UnlockRead() { m_Mutex.Unlock(); } + bool TryLockRead() { return m_Mutex.TryLock(); } + void LockWrite() { m_Mutex.Lock(); } + void UnlockWrite() { m_Mutex.Unlock(); } + bool TryLockWrite() { return m_Mutex.TryLock(); } + private: + VMA_MUTEX m_Mutex; + }; + #define VMA_RW_MUTEX VmaRWMutex + #endif // #if VMA_USE_STL_SHARED_MUTEX +#endif // #ifndef VMA_RW_MUTEX + +/* +If providing your own implementation, you need to implement a subset of std::atomic. +*/ +#ifndef VMA_ATOMIC_UINT32 + #include + #define VMA_ATOMIC_UINT32 std::atomic +#endif + +#ifndef VMA_ATOMIC_UINT64 + #include + #define VMA_ATOMIC_UINT64 std::atomic +#endif + +#ifndef VMA_DEBUG_ALWAYS_DEDICATED_MEMORY + /** + Every allocation will have its own memory block. + Define to 1 for debugging purposes only. + */ + #define VMA_DEBUG_ALWAYS_DEDICATED_MEMORY (0) +#endif + +#ifndef VMA_MIN_ALIGNMENT + /** + Minimum alignment of all allocations, in bytes. + Set to more than 1 for debugging purposes. Must be power of two. + */ + #ifdef VMA_DEBUG_ALIGNMENT // Old name + #define VMA_MIN_ALIGNMENT VMA_DEBUG_ALIGNMENT + #else + #define VMA_MIN_ALIGNMENT (1) + #endif +#endif + +#ifndef VMA_DEBUG_MARGIN + /** + Minimum margin after every allocation, in bytes. + Set nonzero for debugging purposes only. + */ + #define VMA_DEBUG_MARGIN (0) +#endif + +#ifndef VMA_DEBUG_INITIALIZE_ALLOCATIONS + /** + Define this macro to 1 to automatically fill new allocations and destroyed + allocations with some bit pattern. + */ + #define VMA_DEBUG_INITIALIZE_ALLOCATIONS (0) +#endif + +#ifndef VMA_DEBUG_DETECT_CORRUPTION + /** + Define this macro to 1 together with non-zero value of VMA_DEBUG_MARGIN to + enable writing magic value to the margin after every allocation and + validating it, so that memory corruptions (out-of-bounds writes) are detected. + */ + #define VMA_DEBUG_DETECT_CORRUPTION (0) +#endif + +#ifndef VMA_DEBUG_GLOBAL_MUTEX + /** + Set this to 1 for debugging purposes only, to enable single mutex protecting all + entry calls to the library. Can be useful for debugging multithreading issues. + */ + #define VMA_DEBUG_GLOBAL_MUTEX (0) +#endif + +#ifndef VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY + /** + Minimum value for VkPhysicalDeviceLimits::bufferImageGranularity. + Set to more than 1 for debugging purposes only. Must be power of two. + */ + #define VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY (1) +#endif + +#ifndef VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT + /* + Set this to 1 to make VMA never exceed VkPhysicalDeviceLimits::maxMemoryAllocationCount + and return error instead of leaving up to Vulkan implementation what to do in such cases. + */ + #define VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT (0) +#endif + +#ifndef VMA_SMALL_HEAP_MAX_SIZE + /// Maximum size of a memory heap in Vulkan to consider it "small". + #define VMA_SMALL_HEAP_MAX_SIZE (1024ull * 1024 * 1024) +#endif + +#ifndef VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE + /// Default size of a block allocated as single VkDeviceMemory from a "large" heap. + #define VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE (256ull * 1024 * 1024) +#endif + +#ifndef VMA_CLASS_NO_COPY + #define VMA_CLASS_NO_COPY(className) \ + private: \ + className(const className&) = delete; \ + className& operator=(const className&) = delete; +#endif + +#define VMA_VALIDATE(cond) do { if(!(cond)) { \ + VMA_ASSERT(0 && "Validation failed: " #cond); \ + return false; \ + } } while(false) + +/******************************************************************************* +END OF CONFIGURATION +*/ +#endif // _VMA_CONFIGURATION + + +static const uint8_t VMA_ALLOCATION_FILL_PATTERN_CREATED = 0xDC; +static const uint8_t VMA_ALLOCATION_FILL_PATTERN_DESTROYED = 0xEF; +// Decimal 2139416166, float NaN, little-endian binary 66 E6 84 7F. +static const uint32_t VMA_CORRUPTION_DETECTION_MAGIC_VALUE = 0x7F84E666; + +// Copy of some Vulkan definitions so we don't need to check their existence just to handle few constants. +static const uint32_t VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY = 0x00000040; +static const uint32_t VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY = 0x00000080; +static const uint32_t VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY = 0x00020000; +static const uint32_t VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET = 0x10000000u; +static const uint32_t VMA_ALLOCATION_TRY_COUNT = 32; +static const uint32_t VMA_VENDOR_ID_AMD = 4098; + + +#if VMA_STATS_STRING_ENABLED +// Correspond to values of enum VmaSuballocationType. +static const char* VMA_SUBALLOCATION_TYPE_NAMES[] = +{ + "FREE", + "UNKNOWN", + "BUFFER", + "IMAGE_UNKNOWN", + "IMAGE_LINEAR", + "IMAGE_OPTIMAL", +}; +#endif + +static VkAllocationCallbacks VmaEmptyAllocationCallbacks = + { VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL }; + + +#ifndef _VMA_ENUM_DECLARATIONS + +enum VmaSuballocationType +{ + VMA_SUBALLOCATION_TYPE_FREE = 0, + VMA_SUBALLOCATION_TYPE_UNKNOWN = 1, + VMA_SUBALLOCATION_TYPE_BUFFER = 2, + VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN = 3, + VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR = 4, + VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL = 5, + VMA_SUBALLOCATION_TYPE_MAX_ENUM = 0x7FFFFFFF +}; + +enum VMA_CACHE_OPERATION +{ + VMA_CACHE_FLUSH, + VMA_CACHE_INVALIDATE +}; + +enum class VmaAllocationRequestType +{ + Normal, + TLSF, + // Used by "Linear" algorithm. + UpperAddress, + EndOf1st, + EndOf2nd, +}; + +#endif // _VMA_ENUM_DECLARATIONS + +#ifndef _VMA_FORWARD_DECLARATIONS +// Opaque handle used by allocation algorithms to identify single allocation in any conforming way. +VK_DEFINE_NON_DISPATCHABLE_HANDLE(VmaAllocHandle); + +struct VmaMutexLock; +struct VmaMutexLockRead; +struct VmaMutexLockWrite; + +template +struct AtomicTransactionalIncrement; + +template +struct VmaStlAllocator; + +template +class VmaVector; + +template +class VmaSmallVector; + +template +class VmaPoolAllocator; + +template +struct VmaListItem; + +template +class VmaRawList; + +template +class VmaList; + +template +class VmaIntrusiveLinkedList; + +// Unused in this version +#if 0 +template +struct VmaPair; +template +struct VmaPairFirstLess; + +template +class VmaMap; +#endif + +#if VMA_STATS_STRING_ENABLED +class VmaStringBuilder; +class VmaJsonWriter; +#endif + +class VmaDeviceMemoryBlock; + +struct VmaDedicatedAllocationListItemTraits; +class VmaDedicatedAllocationList; + +struct VmaSuballocation; +struct VmaSuballocationOffsetLess; +struct VmaSuballocationOffsetGreater; +struct VmaSuballocationItemSizeLess; + +typedef VmaList> VmaSuballocationList; + +struct VmaAllocationRequest; + +class VmaBlockMetadata; +class VmaBlockMetadata_Generic; +class VmaBlockMetadata_Linear; +class VmaBlockMetadata_Buddy; +class VmaBlockMetadata_TLSF; + +class VmaBlockVector; + +struct VmaDefragmentationMove; +class VmaDefragmentationAlgorithm; +class VmaDefragmentationAlgorithm_Generic; +class VmaDefragmentationAlgorithm_Fast; + +struct VmaPoolListItemTraits; + +struct VmaBlockDefragmentationContext; +class VmaBlockVectorDefragmentationContext; + +struct VmaCurrentBudgetData; + +class VmaAllocationObjectAllocator; + +#endif // _VMA_FORWARD_DECLARATIONS + + +#ifndef _VMA_FUNCTIONS +// Returns number of bits set to 1 in (v). +static inline uint32_t VmaCountBitsSet(uint32_t v) +{ +#ifdef _MSC_VER + return __popcnt(v); +#elif defined __GNUC__ || defined __clang__ + return static_cast(__builtin_popcount(v)); +#else + uint32_t c = v - ((v >> 1) & 0x55555555); + c = ((c >> 2) & 0x33333333) + (c & 0x33333333); + c = ((c >> 4) + c) & 0x0F0F0F0F; + c = ((c >> 8) + c) & 0x00FF00FF; + c = ((c >> 16) + c) & 0x0000FFFF; + return c; +#endif +} + +static inline uint8_t VmaBitScanLSB(uint64_t mask) +{ +#if defined(_MSC_VER) && defined(_WIN64) + unsigned long pos; + if (_BitScanForward64(&pos, mask)) + return static_cast(pos); + return UINT8_MAX; +#elif defined __GNUC__ || defined __clang__ + return static_cast(__builtin_ffsll(mask)) - 1U; +#else + uint8_t pos = 0; + uint64_t bit = 1; + do + { + if (mask & bit) + return pos; + bit <<= 1; + } while (pos++ < 63); + return UINT8_MAX; +#endif +} + +static inline uint8_t VmaBitScanLSB(uint32_t mask) +{ +#ifdef _MSC_VER + unsigned long pos; + if (_BitScanForward(&pos, mask)) + return static_cast(pos); + return UINT8_MAX; +#elif defined __GNUC__ || defined __clang__ + return static_cast(__builtin_ffs(mask)) - 1U; +#else + uint8_t pos = 0; + uint32_t bit = 1; + do + { + if (mask & bit) + return pos; + bit <<= 1; + } while (pos++ < 31); + return UINT8_MAX; +#endif +} + +static inline uint8_t VmaBitScanMSB(uint64_t mask) +{ +#if defined(_MSC_VER) && defined(_WIN64) + unsigned long pos; + if (_BitScanReverse64(&pos, mask)) + return static_cast(pos); +#elif defined __GNUC__ || defined __clang__ + if (mask) + return 63 - static_cast(__builtin_clzll(mask)); +#else + uint8_t pos = 63; + uint64_t bit = 1ULL << 63; + do + { + if (mask & bit) + return pos; + bit >>= 1; + } while (pos-- > 0); +#endif + return UINT8_MAX; +} + +static inline uint8_t VmaBitScanMSB(uint32_t mask) +{ +#ifdef _MSC_VER + unsigned long pos; + if (_BitScanReverse(&pos, mask)) + return static_cast(pos); +#elif defined __GNUC__ || defined __clang__ + if (mask) + return 31 - static_cast(__builtin_clz(mask)); +#else + uint8_t pos = 31; + uint32_t bit = 1UL << 31; + do + { + if (mask & bit) + return pos; + bit >>= 1; + } while (pos-- > 0); +#endif + return UINT8_MAX; +} + +/* +Returns true if given number is a power of two. +T must be unsigned integer number or signed integer but always nonnegative. +For 0 returns true. +*/ +template +inline bool VmaIsPow2(T x) +{ + return (x & (x - 1)) == 0; +} + +// Aligns given value up to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 16. +// Use types like uint32_t, uint64_t as T. +template +static inline T VmaAlignUp(T val, T alignment) +{ + VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); + return (val + alignment - 1) & ~(alignment - 1); +} + +// Aligns given value down to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 8. +// Use types like uint32_t, uint64_t as T. +template +static inline T VmaAlignDown(T val, T alignment) +{ + VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); + return val & ~(alignment - 1); +} + +// Division with mathematical rounding to nearest number. +template +static inline T VmaRoundDiv(T x, T y) +{ + return (x + (y / (T)2)) / y; +} + +// Divide by 'y' and round up to nearest integer. +template +static inline T VmaDivideRoundingUp(T x, T y) +{ + return (x + y - (T)1) / y; +} + +// Returns smallest power of 2 greater or equal to v. +static inline uint32_t VmaNextPow2(uint32_t v) +{ + v--; + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v++; + return v; +} + +static inline uint64_t VmaNextPow2(uint64_t v) +{ + v--; + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v |= v >> 32; + v++; + return v; +} + +// Returns largest power of 2 less or equal to v. +static inline uint32_t VmaPrevPow2(uint32_t v) +{ + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v = v ^ (v >> 1); + return v; +} + +static inline uint64_t VmaPrevPow2(uint64_t v) +{ + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v |= v >> 32; + v = v ^ (v >> 1); + return v; +} + +static inline bool VmaStrIsEmpty(const char* pStr) +{ + return pStr == VMA_NULL || *pStr == '\0'; +} + +#if VMA_STATS_STRING_ENABLED +static const char* VmaAlgorithmToStr(uint32_t algorithm) +{ + switch (algorithm) + { + case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: + return "Linear"; + case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: + return "Buddy"; + case VMA_POOL_CREATE_TLSF_ALGORITHM_BIT: + return "TLSF"; + case 0: + return "Default"; + default: + VMA_ASSERT(0); + return ""; + } +} +#endif // VMA_STATS_STRING_ENABLED + +#ifndef VMA_SORT +template +Iterator VmaQuickSortPartition(Iterator beg, Iterator end, Compare cmp) +{ + Iterator centerValue = end; --centerValue; + Iterator insertIndex = beg; + for (Iterator memTypeIndex = beg; memTypeIndex < centerValue; ++memTypeIndex) + { + if (cmp(*memTypeIndex, *centerValue)) + { + if (insertIndex != memTypeIndex) + { + VMA_SWAP(*memTypeIndex, *insertIndex); + } + ++insertIndex; + } + } + if (insertIndex != centerValue) + { + VMA_SWAP(*insertIndex, *centerValue); + } + return insertIndex; +} + +template +void VmaQuickSort(Iterator beg, Iterator end, Compare cmp) +{ + if (beg < end) + { + Iterator it = VmaQuickSortPartition(beg, end, cmp); + VmaQuickSort(beg, it, cmp); + VmaQuickSort(it + 1, end, cmp); + } +} + +#define VMA_SORT(beg, end, cmp) VmaQuickSort(beg, end, cmp) +#endif // VMA_SORT + +/* +Returns true if two memory blocks occupy overlapping pages. +ResourceA must be in less memory offset than ResourceB. + +Algorithm is based on "Vulkan 1.0.39 - A Specification (with all registered Vulkan extensions)" +chapter 11.6 "Resource Memory Association", paragraph "Buffer-Image Granularity". +*/ +static inline bool VmaBlocksOnSamePage( + VkDeviceSize resourceAOffset, + VkDeviceSize resourceASize, + VkDeviceSize resourceBOffset, + VkDeviceSize pageSize) +{ + VMA_ASSERT(resourceAOffset + resourceASize <= resourceBOffset && resourceASize > 0 && pageSize > 0); + VkDeviceSize resourceAEnd = resourceAOffset + resourceASize - 1; + VkDeviceSize resourceAEndPage = resourceAEnd & ~(pageSize - 1); + VkDeviceSize resourceBStart = resourceBOffset; + VkDeviceSize resourceBStartPage = resourceBStart & ~(pageSize - 1); + return resourceAEndPage == resourceBStartPage; +} + +/* +Returns true if given suballocation types could conflict and must respect +VkPhysicalDeviceLimits::bufferImageGranularity. They conflict if one is buffer +or linear image and another one is optimal image. If type is unknown, behave +conservatively. +*/ +static inline bool VmaIsBufferImageGranularityConflict( + VmaSuballocationType suballocType1, + VmaSuballocationType suballocType2) +{ + if (suballocType1 > suballocType2) + { + VMA_SWAP(suballocType1, suballocType2); + } + + switch (suballocType1) + { + case VMA_SUBALLOCATION_TYPE_FREE: + return false; + case VMA_SUBALLOCATION_TYPE_UNKNOWN: + return true; + case VMA_SUBALLOCATION_TYPE_BUFFER: + return + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; + case VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN: + return + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR || + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; + case VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR: + return + suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; + case VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL: + return false; + default: + VMA_ASSERT(0); + return true; + } +} + +static void VmaWriteMagicValue(void* pData, VkDeviceSize offset) +{ +#if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION + uint32_t* pDst = (uint32_t*)((char*)pData + offset); + const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); + for (size_t i = 0; i < numberCount; ++i, ++pDst) + { + *pDst = VMA_CORRUPTION_DETECTION_MAGIC_VALUE; + } +#else + // no-op +#endif +} + +static bool VmaValidateMagicValue(const void* pData, VkDeviceSize offset) +{ +#if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION + const uint32_t* pSrc = (const uint32_t*)((const char*)pData + offset); + const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); + for (size_t i = 0; i < numberCount; ++i, ++pSrc) + { + if (*pSrc != VMA_CORRUPTION_DETECTION_MAGIC_VALUE) + { + return false; + } + } +#endif + return true; +} + +/* +Fills structure with parameters of an example buffer to be used for transfers +during GPU memory defragmentation. +*/ +static void VmaFillGpuDefragmentationBufferCreateInfo(VkBufferCreateInfo& outBufCreateInfo) +{ + memset(&outBufCreateInfo, 0, sizeof(outBufCreateInfo)); + outBufCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + outBufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + outBufCreateInfo.size = (VkDeviceSize)VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE; // Example size. +} + + +/* +Performs binary search and returns iterator to first element that is greater or +equal to (key), according to comparison (cmp). + +Cmp should return true if first argument is less than second argument. + +Returned value is the found element, if present in the collection or place where +new element with value (key) should be inserted. +*/ +template +static IterT VmaBinaryFindFirstNotLess(IterT beg, IterT end, const KeyT& key, const CmpLess& cmp) +{ + size_t down = 0, up = (end - beg); + while (down < up) + { + const size_t mid = down + (up - down) / 2; // Overflow-safe midpoint calculation + if (cmp(*(beg + mid), key)) + { + down = mid + 1; + } + else + { + up = mid; + } + } + return beg + down; +} + +template +IterT VmaBinaryFindSorted(const IterT& beg, const IterT& end, const KeyT& value, const CmpLess& cmp) +{ + IterT it = VmaBinaryFindFirstNotLess( + beg, end, value, cmp); + if (it == end || + (!cmp(*it, value) && !cmp(value, *it))) + { + return it; + } + return end; +} + +/* +Returns true if all pointers in the array are not-null and unique. +Warning! O(n^2) complexity. Use only inside VMA_HEAVY_ASSERT. +T must be pointer type, e.g. VmaAllocation, VmaPool. +*/ +template +static bool VmaValidatePointerArray(uint32_t count, const T* arr) +{ + for (uint32_t i = 0; i < count; ++i) + { + const T iPtr = arr[i]; + if (iPtr == VMA_NULL) + { + return false; + } + for (uint32_t j = i + 1; j < count; ++j) + { + if (iPtr == arr[j]) + { + return false; + } + } + } + return true; +} + +template +static inline void VmaPnextChainPushFront(MainT* mainStruct, NewT* newStruct) +{ + newStruct->pNext = mainStruct->pNext; + mainStruct->pNext = newStruct; +} + +//////////////////////////////////////////////////////////////////////////////// +// Memory allocation + +static void* VmaMalloc(const VkAllocationCallbacks* pAllocationCallbacks, size_t size, size_t alignment) +{ + void* result = VMA_NULL; + if ((pAllocationCallbacks != VMA_NULL) && + (pAllocationCallbacks->pfnAllocation != VMA_NULL)) + { + result = (*pAllocationCallbacks->pfnAllocation)( + pAllocationCallbacks->pUserData, + size, + alignment, + VK_SYSTEM_ALLOCATION_SCOPE_OBJECT); + } + else + { + result = VMA_SYSTEM_ALIGNED_MALLOC(size, alignment); + } + VMA_ASSERT(result != VMA_NULL && "CPU memory allocation failed."); + return result; +} + +static void VmaFree(const VkAllocationCallbacks* pAllocationCallbacks, void* ptr) +{ + if ((pAllocationCallbacks != VMA_NULL) && + (pAllocationCallbacks->pfnFree != VMA_NULL)) + { + (*pAllocationCallbacks->pfnFree)(pAllocationCallbacks->pUserData, ptr); + } + else + { + VMA_SYSTEM_ALIGNED_FREE(ptr); + } +} + +template +static T* VmaAllocate(const VkAllocationCallbacks* pAllocationCallbacks) +{ + return (T*)VmaMalloc(pAllocationCallbacks, sizeof(T), VMA_ALIGN_OF(T)); +} + +template +static T* VmaAllocateArray(const VkAllocationCallbacks* pAllocationCallbacks, size_t count) +{ + return (T*)VmaMalloc(pAllocationCallbacks, sizeof(T) * count, VMA_ALIGN_OF(T)); +} + +#define vma_new(allocator, type) new(VmaAllocate(allocator))(type) + +#define vma_new_array(allocator, type, count) new(VmaAllocateArray((allocator), (count)))(type) + +template +static void vma_delete(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr) +{ + ptr->~T(); + VmaFree(pAllocationCallbacks, ptr); +} + +template +static void vma_delete_array(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr, size_t count) +{ + if (ptr != VMA_NULL) + { + for (size_t i = count; i--; ) + { + ptr[i].~T(); + } + VmaFree(pAllocationCallbacks, ptr); + } +} + +static char* VmaCreateStringCopy(const VkAllocationCallbacks* allocs, const char* srcStr) +{ + if (srcStr != VMA_NULL) + { + const size_t len = strlen(srcStr); + char* const result = vma_new_array(allocs, char, len + 1); + memcpy(result, srcStr, len + 1); + return result; + } + return VMA_NULL; +} + +#if VMA_STATS_STRING_ENABLED +static char* VmaCreateStringCopy(const VkAllocationCallbacks* allocs, const char* srcStr, size_t strLen) +{ + if (srcStr != VMA_NULL) + { + char* const result = vma_new_array(allocs, char, strLen + 1); + memcpy(result, srcStr, strLen); + result[strLen] = '\0'; + return result; + } + return VMA_NULL; +} +#endif // VMA_STATS_STRING_ENABLED + +static void VmaFreeString(const VkAllocationCallbacks* allocs, char* str) +{ + if (str != VMA_NULL) + { + const size_t len = strlen(str); + vma_delete_array(allocs, str, len + 1); + } +} + +template +size_t VmaVectorInsertSorted(VectorT& vector, const typename VectorT::value_type& value) +{ + const size_t indexToInsert = VmaBinaryFindFirstNotLess( + vector.data(), + vector.data() + vector.size(), + value, + CmpLess()) - vector.data(); + VmaVectorInsert(vector, indexToInsert, value); + return indexToInsert; +} + +template +bool VmaVectorRemoveSorted(VectorT& vector, const typename VectorT::value_type& value) +{ + CmpLess comparator; + typename VectorT::iterator it = VmaBinaryFindFirstNotLess( + vector.begin(), + vector.end(), + value, + comparator); + if ((it != vector.end()) && !comparator(*it, value) && !comparator(value, *it)) + { + size_t indexToRemove = it - vector.begin(); + VmaVectorRemove(vector, indexToRemove); + return true; + } + return false; +} +#endif // _VMA_FUNCTIONS + +#ifndef _VMA_STAT_INFO_FUNCTIONS +static void VmaInitStatInfo(VmaStatInfo& outInfo) +{ + memset(&outInfo, 0, sizeof(outInfo)); + outInfo.allocationSizeMin = UINT64_MAX; + outInfo.unusedRangeSizeMin = UINT64_MAX; +} + +// Adds statistics srcInfo into inoutInfo, like: inoutInfo += srcInfo. +static void VmaAddStatInfo(VmaStatInfo& inoutInfo, const VmaStatInfo& srcInfo) +{ + inoutInfo.blockCount += srcInfo.blockCount; + inoutInfo.allocationCount += srcInfo.allocationCount; + inoutInfo.unusedRangeCount += srcInfo.unusedRangeCount; + inoutInfo.usedBytes += srcInfo.usedBytes; + inoutInfo.unusedBytes += srcInfo.unusedBytes; + inoutInfo.allocationSizeMin = VMA_MIN(inoutInfo.allocationSizeMin, srcInfo.allocationSizeMin); + inoutInfo.allocationSizeMax = VMA_MAX(inoutInfo.allocationSizeMax, srcInfo.allocationSizeMax); + inoutInfo.unusedRangeSizeMin = VMA_MIN(inoutInfo.unusedRangeSizeMin, srcInfo.unusedRangeSizeMin); + inoutInfo.unusedRangeSizeMax = VMA_MAX(inoutInfo.unusedRangeSizeMax, srcInfo.unusedRangeSizeMax); +} + +static void VmaAddStatInfoAllocation(VmaStatInfo& inoutInfo, VkDeviceSize size) +{ + ++inoutInfo.allocationCount; + inoutInfo.usedBytes += size; + if (size < inoutInfo.allocationSizeMin) + { + inoutInfo.allocationSizeMin = size; + } + if (size > inoutInfo.allocationSizeMax) + { + inoutInfo.allocationSizeMax = size; + } +} + +static void VmaAddStatInfoUnusedRange(VmaStatInfo& inoutInfo, VkDeviceSize size) +{ + ++inoutInfo.unusedRangeCount; + inoutInfo.unusedBytes += size; + if (size < inoutInfo.unusedRangeSizeMin) + { + inoutInfo.unusedRangeSizeMin = size; + } + if (size > inoutInfo.unusedRangeSizeMax) + { + inoutInfo.unusedRangeSizeMax = size; + } +} + +static void VmaPostprocessCalcStatInfo(VmaStatInfo& inoutInfo) +{ + inoutInfo.allocationSizeAvg = (inoutInfo.allocationCount > 0) ? + VmaRoundDiv(inoutInfo.usedBytes, inoutInfo.allocationCount) : 0; + inoutInfo.unusedRangeSizeAvg = (inoutInfo.unusedRangeCount > 0) ? + VmaRoundDiv(inoutInfo.unusedBytes, inoutInfo.unusedRangeCount) : 0; +} +#endif // _VMA_STAT_INFO_FUNCTIONS + + +#ifndef _VMA_MUTEX_LOCK +// Helper RAII class to lock a mutex in constructor and unlock it in destructor (at the end of scope). +struct VmaMutexLock +{ + VMA_CLASS_NO_COPY(VmaMutexLock) +public: + VmaMutexLock(VMA_MUTEX& mutex, bool useMutex = true) : + m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->Lock(); } + } + ~VmaMutexLock() { if (m_pMutex) { m_pMutex->Unlock(); } } + +private: + VMA_MUTEX* m_pMutex; +}; + +// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for reading. +struct VmaMutexLockRead +{ + VMA_CLASS_NO_COPY(VmaMutexLockRead) +public: + VmaMutexLockRead(VMA_RW_MUTEX& mutex, bool useMutex) : + m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->LockRead(); } + } + ~VmaMutexLockRead() { if (m_pMutex) { m_pMutex->UnlockRead(); } } + +private: + VMA_RW_MUTEX* m_pMutex; +}; + +// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for writing. +struct VmaMutexLockWrite +{ + VMA_CLASS_NO_COPY(VmaMutexLockWrite) +public: + VmaMutexLockWrite(VMA_RW_MUTEX& mutex, bool useMutex) + : m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->LockWrite(); } + } + ~VmaMutexLockWrite() { if (m_pMutex) { m_pMutex->UnlockWrite(); } } + +private: + VMA_RW_MUTEX* m_pMutex; +}; + +#if VMA_DEBUG_GLOBAL_MUTEX + static VMA_MUTEX gDebugGlobalMutex; + #define VMA_DEBUG_GLOBAL_MUTEX_LOCK VmaMutexLock debugGlobalMutexLock(gDebugGlobalMutex, true); +#else + #define VMA_DEBUG_GLOBAL_MUTEX_LOCK +#endif +#endif // _VMA_MUTEX_LOCK + +#ifndef _VMA_ATOMIC_TRANSACTIONAL_INCREMENT +// An object that increments given atomic but decrements it back in the destructor unless Commit() is called. +template +struct AtomicTransactionalIncrement +{ +public: + typedef std::atomic AtomicT; + + ~AtomicTransactionalIncrement() + { + if(m_Atomic) + --(*m_Atomic); + } + + void Commit() { m_Atomic = nullptr; } + T Increment(AtomicT* atomic) + { + m_Atomic = atomic; + return m_Atomic->fetch_add(1); + } + +private: + AtomicT* m_Atomic = nullptr; +}; +#endif // _VMA_ATOMIC_TRANSACTIONAL_INCREMENT + +#ifndef _VMA_STL_ALLOCATOR +// STL-compatible allocator. +template +struct VmaStlAllocator +{ + const VkAllocationCallbacks* const m_pCallbacks; + typedef T value_type; + + VmaStlAllocator(const VkAllocationCallbacks* pCallbacks) : m_pCallbacks(pCallbacks) {} + template + VmaStlAllocator(const VmaStlAllocator& src) : m_pCallbacks(src.m_pCallbacks) {} + VmaStlAllocator(const VmaStlAllocator&) = default; + VmaStlAllocator& operator=(const VmaStlAllocator&) = delete; + + T* allocate(size_t n) { return VmaAllocateArray(m_pCallbacks, n); } + void deallocate(T* p, size_t n) { VmaFree(m_pCallbacks, p); } + + template + bool operator==(const VmaStlAllocator& rhs) const + { + return m_pCallbacks == rhs.m_pCallbacks; + } + template + bool operator!=(const VmaStlAllocator& rhs) const + { + return m_pCallbacks != rhs.m_pCallbacks; + } +}; +#endif // _VMA_STL_ALLOCATOR + +#ifndef _VMA_VECTOR +/* Class with interface compatible with subset of std::vector. +T must be POD because constructors and destructors are not called and memcpy is +used for these objects. */ +template +class VmaVector +{ +public: + typedef T value_type; + typedef T* iterator; + typedef const T* const_iterator; + + VmaVector(const AllocatorT& allocator); + VmaVector(size_t count, const AllocatorT& allocator); + // This version of the constructor is here for compatibility with pre-C++14 std::vector. + // value is unused. + VmaVector(size_t count, const T& value, const AllocatorT& allocator) : VmaVector(count, allocator) {} + VmaVector(const VmaVector& src); + VmaVector& operator=(const VmaVector& rhs); + ~VmaVector() { VmaFree(m_Allocator.m_pCallbacks, m_pArray); } + + bool empty() const { return m_Count == 0; } + size_t size() const { return m_Count; } + T* data() { return m_pArray; } + T& front() { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[0]; } + T& back() { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[m_Count - 1]; } + const T* data() const { return m_pArray; } + const T& front() const { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[0]; } + const T& back() const { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[m_Count - 1]; } + + iterator begin() { return m_pArray; } + iterator end() { return m_pArray + m_Count; } + const_iterator cbegin() const { return m_pArray; } + const_iterator cend() const { return m_pArray + m_Count; } + const_iterator begin() const { return cbegin(); } + const_iterator end() const { return cend(); } + + void pop_front() { VMA_HEAVY_ASSERT(m_Count > 0); remove(0); } + void pop_back() { VMA_HEAVY_ASSERT(m_Count > 0); resize(size() - 1); } + void push_front(const T& src) { insert(0, src); } + + void push_back(const T& src); + void reserve(size_t newCapacity, bool freeMemory = false); + void resize(size_t newCount); + void clear() { resize(0); } + void shrink_to_fit(); + void insert(size_t index, const T& src); + void remove(size_t index); + + T& operator[](size_t index) { VMA_HEAVY_ASSERT(index < m_Count); return m_pArray[index]; } + const T& operator[](size_t index) const { VMA_HEAVY_ASSERT(index < m_Count); return m_pArray[index]; } + +private: + AllocatorT m_Allocator; + T* m_pArray; + size_t m_Count; + size_t m_Capacity; +}; + +#ifndef _VMA_VECTOR_FUNCTIONS +template +VmaVector::VmaVector(const AllocatorT& allocator) + : m_Allocator(allocator), + m_pArray(VMA_NULL), + m_Count(0), + m_Capacity(0) {} + +template +VmaVector::VmaVector(size_t count, const AllocatorT& allocator) + : m_Allocator(allocator), + m_pArray(count ? (T*)VmaAllocateArray(allocator.m_pCallbacks, count) : VMA_NULL), + m_Count(count), + m_Capacity(count) {} + +template +VmaVector::VmaVector(const VmaVector& src) + : m_Allocator(src.m_Allocator), + m_pArray(src.m_Count ? (T*)VmaAllocateArray(src.m_Allocator.m_pCallbacks, src.m_Count) : VMA_NULL), + m_Count(src.m_Count), + m_Capacity(src.m_Count) +{ + if (m_Count != 0) + { + memcpy(m_pArray, src.m_pArray, m_Count * sizeof(T)); + } +} + +template +VmaVector& VmaVector::operator=(const VmaVector& rhs) +{ + if (&rhs != this) + { + resize(rhs.m_Count); + if (m_Count != 0) + { + memcpy(m_pArray, rhs.m_pArray, m_Count * sizeof(T)); + } + } + return *this; +} + +template +void VmaVector::push_back(const T& src) +{ + const size_t newIndex = size(); + resize(newIndex + 1); + m_pArray[newIndex] = src; +} + +template +void VmaVector::reserve(size_t newCapacity, bool freeMemory) +{ + newCapacity = VMA_MAX(newCapacity, m_Count); + + if ((newCapacity < m_Capacity) && !freeMemory) + { + newCapacity = m_Capacity; + } + + if (newCapacity != m_Capacity) + { + T* const newArray = newCapacity ? VmaAllocateArray(m_Allocator, newCapacity) : VMA_NULL; + if (m_Count != 0) + { + memcpy(newArray, m_pArray, m_Count * sizeof(T)); + } + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = newCapacity; + m_pArray = newArray; + } +} + +template +void VmaVector::resize(size_t newCount) +{ + size_t newCapacity = m_Capacity; + if (newCount > m_Capacity) + { + newCapacity = VMA_MAX(newCount, VMA_MAX(m_Capacity * 3 / 2, (size_t)8)); + } + + if (newCapacity != m_Capacity) + { + T* const newArray = newCapacity ? VmaAllocateArray(m_Allocator.m_pCallbacks, newCapacity) : VMA_NULL; + const size_t elementsToCopy = VMA_MIN(m_Count, newCount); + if (elementsToCopy != 0) + { + memcpy(newArray, m_pArray, elementsToCopy * sizeof(T)); + } + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = newCapacity; + m_pArray = newArray; + } + + m_Count = newCount; +} + +template +void VmaVector::shrink_to_fit() +{ + if (m_Capacity > m_Count) + { + T* newArray = VMA_NULL; + if (m_Count > 0) + { + newArray = VmaAllocateArray(m_Allocator.m_pCallbacks, m_Count); + memcpy(newArray, m_pArray, m_Count * sizeof(T)); + } + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = m_Count; + m_pArray = newArray; + } +} + +template +void VmaVector::insert(size_t index, const T& src) +{ + VMA_HEAVY_ASSERT(index <= m_Count); + const size_t oldCount = size(); + resize(oldCount + 1); + if (index < oldCount) + { + memmove(m_pArray + (index + 1), m_pArray + index, (oldCount - index) * sizeof(T)); + } + m_pArray[index] = src; +} + +template +void VmaVector::remove(size_t index) +{ + VMA_HEAVY_ASSERT(index < m_Count); + const size_t oldCount = size(); + if (index < oldCount - 1) + { + memmove(m_pArray + index, m_pArray + (index + 1), (oldCount - index - 1) * sizeof(T)); + } + resize(oldCount - 1); +} +#endif // _VMA_VECTOR_FUNCTIONS + +template +static void VmaVectorInsert(VmaVector& vec, size_t index, const T& item) +{ + vec.insert(index, item); +} + +template +static void VmaVectorRemove(VmaVector& vec, size_t index) +{ + vec.remove(index); +} +#endif // _VMA_VECTOR + +#ifndef _VMA_SMALL_VECTOR +/* +This is a vector (a variable-sized array), optimized for the case when the array is small. + +It contains some number of elements in-place, which allows it to avoid heap allocation +when the actual number of elements is below that threshold. This allows normal "small" +cases to be fast without losing generality for large inputs. +*/ +template +class VmaSmallVector +{ +public: + typedef T value_type; + typedef T* iterator; + + VmaSmallVector(const AllocatorT& allocator); + VmaSmallVector(size_t count, const AllocatorT& allocator); + template + VmaSmallVector(const VmaSmallVector&) = delete; + template + VmaSmallVector& operator=(const VmaSmallVector&) = delete; + ~VmaSmallVector() = default; + + bool empty() const { return m_Count == 0; } + size_t size() const { return m_Count; } + T* data() { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } + T& front() { VMA_HEAVY_ASSERT(m_Count > 0); return data()[0]; } + T& back() { VMA_HEAVY_ASSERT(m_Count > 0); return data()[m_Count - 1]; } + const T* data() const { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } + const T& front() const { VMA_HEAVY_ASSERT(m_Count > 0); return data()[0]; } + const T& back() const { VMA_HEAVY_ASSERT(m_Count > 0); return data()[m_Count - 1]; } + + iterator begin() { return data(); } + iterator end() { return data() + m_Count; } + + void pop_front() { VMA_HEAVY_ASSERT(m_Count > 0); remove(0); } + void pop_back() { VMA_HEAVY_ASSERT(m_Count > 0); resize(size() - 1); } + void push_front(const T& src) { insert(0, src); } + + void push_back(const T& src); + void resize(size_t newCount, bool freeMemory = false); + void clear(bool freeMemory = false); + void insert(size_t index, const T& src); + void remove(size_t index); + + T& operator[](size_t index) { VMA_HEAVY_ASSERT(index < m_Count); return data()[index]; } + const T& operator[](size_t index) const { VMA_HEAVY_ASSERT(index < m_Count); return data()[index]; } + +private: + size_t m_Count; + T m_StaticArray[N]; // Used when m_Size <= N + VmaVector m_DynamicArray; // Used when m_Size > N +}; + +#ifndef _VMA_SMALL_VECTOR_FUNCTIONS +template +VmaSmallVector::VmaSmallVector(const AllocatorT& allocator) + : m_Count(0), + m_DynamicArray(allocator) {} + +template +VmaSmallVector::VmaSmallVector(size_t count, const AllocatorT& allocator) + : m_Count(count), + m_DynamicArray(count > N ? count : 0, allocator) {} + +template +void VmaSmallVector::push_back(const T& src) +{ + resize(m_Count + 1); + data()[m_Count] = src; +} + +template +void VmaSmallVector::resize(size_t newCount, bool freeMemory) +{ + if (newCount > N && m_Count > N) + { + // Any direction, staying in m_DynamicArray + m_DynamicArray.resize(newCount); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + } + else if (newCount > N && m_Count <= N) + { + // Growing, moving from m_StaticArray to m_DynamicArray + m_DynamicArray.resize(newCount); + if (m_Count > 0) + { + memcpy(m_DynamicArray.data(), m_StaticArray, m_Count * sizeof(T)); + } + } + else if (newCount <= N && m_Count > N) + { + // Shrinking, moving from m_DynamicArray to m_StaticArray + if (newCount > 0) + { + memcpy(m_StaticArray, m_DynamicArray.data(), newCount * sizeof(T)); + } + m_DynamicArray.resize(0); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + } + else + { + // Any direction, staying in m_StaticArray - nothing to do here + } + m_Count = newCount; +} + +template +void VmaSmallVector::clear(bool freeMemory) +{ + m_DynamicArray.clear(); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + m_Count = 0; +} + +template +void VmaSmallVector::insert(size_t index, const T& src) +{ + VMA_HEAVY_ASSERT(index <= m_Count); + const size_t oldCount = size(); + resize(oldCount + 1); + T* const dataPtr = data(); + if (index < oldCount) + { + // I know, this could be more optimal for case where memmove can be memcpy directly from m_StaticArray to m_DynamicArray. + memmove(dataPtr + (index + 1), dataPtr + index, (oldCount - index) * sizeof(T)); + } + dataPtr[index] = src; +} + +template +void VmaSmallVector::remove(size_t index) +{ + VMA_HEAVY_ASSERT(index < m_Count); + const size_t oldCount = size(); + if (index < oldCount - 1) + { + // I know, this could be more optimal for case where memmove can be memcpy directly from m_DynamicArray to m_StaticArray. + T* const dataPtr = data(); + memmove(dataPtr + index, dataPtr + (index + 1), (oldCount - index - 1) * sizeof(T)); + } + resize(oldCount - 1); +} +#endif // _VMA_SMALL_VECTOR_FUNCTIONS +#endif // _VMA_SMALL_VECTOR + +#ifndef _VMA_POOL_ALLOCATOR +/* +Allocator for objects of type T using a list of arrays (pools) to speed up +allocation. Number of elements that can be allocated is not bounded because +allocator can create multiple blocks. +*/ +template +class VmaPoolAllocator +{ + VMA_CLASS_NO_COPY(VmaPoolAllocator) +public: + VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity); + ~VmaPoolAllocator(); + template T* Alloc(Types&&... args); + void Free(T* ptr); + +private: + union Item + { + uint32_t NextFreeIndex; + alignas(T) char Value[sizeof(T)]; + }; + struct ItemBlock + { + Item* pItems; + uint32_t Capacity; + uint32_t FirstFreeIndex; + }; + + const VkAllocationCallbacks* m_pAllocationCallbacks; + const uint32_t m_FirstBlockCapacity; + VmaVector> m_ItemBlocks; + + ItemBlock& CreateNewBlock(); +}; + +#ifndef _VMA_POOL_ALLOCATOR_FUNCTIONS +template +VmaPoolAllocator::VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity) + : m_pAllocationCallbacks(pAllocationCallbacks), + m_FirstBlockCapacity(firstBlockCapacity), + m_ItemBlocks(VmaStlAllocator(pAllocationCallbacks)) +{ + VMA_ASSERT(m_FirstBlockCapacity > 1); +} + +template +VmaPoolAllocator::~VmaPoolAllocator() +{ + for (size_t i = m_ItemBlocks.size(); i--;) + vma_delete_array(m_pAllocationCallbacks, m_ItemBlocks[i].pItems, m_ItemBlocks[i].Capacity); + m_ItemBlocks.clear(); +} + +template +template T* VmaPoolAllocator::Alloc(Types&&... args) +{ + for (size_t i = m_ItemBlocks.size(); i--; ) + { + ItemBlock& block = m_ItemBlocks[i]; + // This block has some free items: Use first one. + if (block.FirstFreeIndex != UINT32_MAX) + { + Item* const pItem = &block.pItems[block.FirstFreeIndex]; + block.FirstFreeIndex = pItem->NextFreeIndex; + T* result = (T*)&pItem->Value; + new(result)T(std::forward(args)...); // Explicit constructor call. + return result; + } + } + + // No block has free item: Create new one and use it. + ItemBlock& newBlock = CreateNewBlock(); + Item* const pItem = &newBlock.pItems[0]; + newBlock.FirstFreeIndex = pItem->NextFreeIndex; + T* result = (T*)&pItem->Value; + new(result) T(std::forward(args)...); // Explicit constructor call. + return result; +} + +template +void VmaPoolAllocator::Free(T* ptr) +{ + // Search all memory blocks to find ptr. + for (size_t i = m_ItemBlocks.size(); i--; ) + { + ItemBlock& block = m_ItemBlocks[i]; + + // Casting to union. + Item* pItemPtr; + memcpy(&pItemPtr, &ptr, sizeof(pItemPtr)); + + // Check if pItemPtr is in address range of this block. + if ((pItemPtr >= block.pItems) && (pItemPtr < block.pItems + block.Capacity)) + { + ptr->~T(); // Explicit destructor call. + const uint32_t index = static_cast(pItemPtr - block.pItems); + pItemPtr->NextFreeIndex = block.FirstFreeIndex; + block.FirstFreeIndex = index; + return; + } + } + VMA_ASSERT(0 && "Pointer doesn't belong to this memory pool."); +} + +template +typename VmaPoolAllocator::ItemBlock& VmaPoolAllocator::CreateNewBlock() +{ + const uint32_t newBlockCapacity = m_ItemBlocks.empty() ? + m_FirstBlockCapacity : m_ItemBlocks.back().Capacity * 3 / 2; + + const ItemBlock newBlock = + { + vma_new_array(m_pAllocationCallbacks, Item, newBlockCapacity), + newBlockCapacity, + 0 + }; + + m_ItemBlocks.push_back(newBlock); + + // Setup singly-linked list of all free items in this block. + for (uint32_t i = 0; i < newBlockCapacity - 1; ++i) + newBlock.pItems[i].NextFreeIndex = i + 1; + newBlock.pItems[newBlockCapacity - 1].NextFreeIndex = UINT32_MAX; + return m_ItemBlocks.back(); +} +#endif // _VMA_POOL_ALLOCATOR_FUNCTIONS +#endif // _VMA_POOL_ALLOCATOR + +#ifndef _VMA_RAW_LIST +template +struct VmaListItem +{ + VmaListItem* pPrev; + VmaListItem* pNext; + T Value; +}; + +// Doubly linked list. +template +class VmaRawList +{ + VMA_CLASS_NO_COPY(VmaRawList) +public: + typedef VmaListItem ItemType; + + VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks); + // Intentionally not calling Clear, because that would be unnecessary + // computations to return all items to m_ItemAllocator as free. + ~VmaRawList() = default; + + size_t GetCount() const { return m_Count; } + bool IsEmpty() const { return m_Count == 0; } + + ItemType* Front() { return m_pFront; } + ItemType* Back() { return m_pBack; } + const ItemType* Front() const { return m_pFront; } + const ItemType* Back() const { return m_pBack; } + + ItemType* PushFront(); + ItemType* PushBack(); + ItemType* PushFront(const T& value); + ItemType* PushBack(const T& value); + void PopFront(); + void PopBack(); + + // Item can be null - it means PushBack. + ItemType* InsertBefore(ItemType* pItem); + // Item can be null - it means PushFront. + ItemType* InsertAfter(ItemType* pItem); + ItemType* InsertBefore(ItemType* pItem, const T& value); + ItemType* InsertAfter(ItemType* pItem, const T& value); + + void Clear(); + void Remove(ItemType* pItem); + +private: + const VkAllocationCallbacks* const m_pAllocationCallbacks; + VmaPoolAllocator m_ItemAllocator; + ItemType* m_pFront; + ItemType* m_pBack; + size_t m_Count; +}; + +#ifndef _VMA_RAW_LIST_FUNCTIONS +template +VmaRawList::VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks) + : m_pAllocationCallbacks(pAllocationCallbacks), + m_ItemAllocator(pAllocationCallbacks, 128), + m_pFront(VMA_NULL), + m_pBack(VMA_NULL), + m_Count(0) {} + +template +VmaListItem* VmaRawList::PushFront() +{ + ItemType* const pNewItem = m_ItemAllocator.Alloc(); + pNewItem->pPrev = VMA_NULL; + if (IsEmpty()) + { + pNewItem->pNext = VMA_NULL; + m_pFront = pNewItem; + m_pBack = pNewItem; + m_Count = 1; + } + else + { + pNewItem->pNext = m_pFront; + m_pFront->pPrev = pNewItem; + m_pFront = pNewItem; + ++m_Count; + } + return pNewItem; +} + +template +VmaListItem* VmaRawList::PushBack() +{ + ItemType* const pNewItem = m_ItemAllocator.Alloc(); + pNewItem->pNext = VMA_NULL; + if(IsEmpty()) + { + pNewItem->pPrev = VMA_NULL; + m_pFront = pNewItem; + m_pBack = pNewItem; + m_Count = 1; + } + else + { + pNewItem->pPrev = m_pBack; + m_pBack->pNext = pNewItem; + m_pBack = pNewItem; + ++m_Count; + } + return pNewItem; +} + +template +VmaListItem* VmaRawList::PushFront(const T& value) +{ + ItemType* const pNewItem = PushFront(); + pNewItem->Value = value; + return pNewItem; +} + +template +VmaListItem* VmaRawList::PushBack(const T& value) +{ + ItemType* const pNewItem = PushBack(); + pNewItem->Value = value; + return pNewItem; +} + +template +void VmaRawList::PopFront() +{ + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const pFrontItem = m_pFront; + ItemType* const pNextItem = pFrontItem->pNext; + if (pNextItem != VMA_NULL) + { + pNextItem->pPrev = VMA_NULL; + } + m_pFront = pNextItem; + m_ItemAllocator.Free(pFrontItem); + --m_Count; +} + +template +void VmaRawList::PopBack() +{ + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const pBackItem = m_pBack; + ItemType* const pPrevItem = pBackItem->pPrev; + if(pPrevItem != VMA_NULL) + { + pPrevItem->pNext = VMA_NULL; + } + m_pBack = pPrevItem; + m_ItemAllocator.Free(pBackItem); + --m_Count; +} + +template +void VmaRawList::Clear() +{ + if (IsEmpty() == false) + { + ItemType* pItem = m_pBack; + while (pItem != VMA_NULL) + { + ItemType* const pPrevItem = pItem->pPrev; + m_ItemAllocator.Free(pItem); + pItem = pPrevItem; + } + m_pFront = VMA_NULL; + m_pBack = VMA_NULL; + m_Count = 0; + } +} + +template +void VmaRawList::Remove(ItemType* pItem) +{ + VMA_HEAVY_ASSERT(pItem != VMA_NULL); + VMA_HEAVY_ASSERT(m_Count > 0); + + if(pItem->pPrev != VMA_NULL) + { + pItem->pPrev->pNext = pItem->pNext; + } + else + { + VMA_HEAVY_ASSERT(m_pFront == pItem); + m_pFront = pItem->pNext; + } + + if(pItem->pNext != VMA_NULL) + { + pItem->pNext->pPrev = pItem->pPrev; + } + else + { + VMA_HEAVY_ASSERT(m_pBack == pItem); + m_pBack = pItem->pPrev; + } + + m_ItemAllocator.Free(pItem); + --m_Count; +} + +template +VmaListItem* VmaRawList::InsertBefore(ItemType* pItem) +{ + if(pItem != VMA_NULL) + { + ItemType* const prevItem = pItem->pPrev; + ItemType* const newItem = m_ItemAllocator.Alloc(); + newItem->pPrev = prevItem; + newItem->pNext = pItem; + pItem->pPrev = newItem; + if(prevItem != VMA_NULL) + { + prevItem->pNext = newItem; + } + else + { + VMA_HEAVY_ASSERT(m_pFront == pItem); + m_pFront = newItem; + } + ++m_Count; + return newItem; + } + else + return PushBack(); +} + +template +VmaListItem* VmaRawList::InsertAfter(ItemType* pItem) +{ + if(pItem != VMA_NULL) + { + ItemType* const nextItem = pItem->pNext; + ItemType* const newItem = m_ItemAllocator.Alloc(); + newItem->pNext = nextItem; + newItem->pPrev = pItem; + pItem->pNext = newItem; + if(nextItem != VMA_NULL) + { + nextItem->pPrev = newItem; + } + else + { + VMA_HEAVY_ASSERT(m_pBack == pItem); + m_pBack = newItem; + } + ++m_Count; + return newItem; + } + else + return PushFront(); +} + +template +VmaListItem* VmaRawList::InsertBefore(ItemType* pItem, const T& value) +{ + ItemType* const newItem = InsertBefore(pItem); + newItem->Value = value; + return newItem; +} + +template +VmaListItem* VmaRawList::InsertAfter(ItemType* pItem, const T& value) +{ + ItemType* const newItem = InsertAfter(pItem); + newItem->Value = value; + return newItem; +} +#endif // _VMA_RAW_LIST_FUNCTIONS +#endif // _VMA_RAW_LIST + +#ifndef _VMA_LIST +template +class VmaList +{ + VMA_CLASS_NO_COPY(VmaList) +public: + class reverse_iterator; + class const_iterator; + class const_reverse_iterator; + + class iterator + { + friend class VmaList; + public: + iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + + T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } + + bool operator==(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } + + iterator operator++(int) { iterator result = *this; ++*this; return result; } + iterator operator--(int) { iterator result = *this; --*this; return result; } + + iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pNext; return *this; } + iterator& operator--(); + + private: + VmaRawList* m_pList; + VmaListItem* m_pItem; + + iterator(VmaRawList* pList, VmaListItem* pItem) : m_pList(pList), m_pItem(pItem) {} + }; + class reverse_iterator + { + friend class VmaList; + public: + reverse_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + reverse_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + + T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } + + bool operator==(const reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } + + reverse_iterator operator++(int) { reverse_iterator result = *this; ++* this; return result; } + reverse_iterator operator--(int) { reverse_iterator result = *this; --* this; return result; } + + reverse_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pPrev; return *this; } + reverse_iterator& operator--(); + + private: + VmaRawList* m_pList; + VmaListItem* m_pItem; + + reverse_iterator(VmaRawList* pList, VmaListItem* pItem) : m_pList(pList), m_pItem(pItem) {} + }; + class const_iterator + { + friend class VmaList; + public: + const_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + const_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + const_iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + + const T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + const T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } + + bool operator==(const const_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const const_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } + + const_iterator operator++(int) { const_iterator result = *this; ++* this; return result; } + const_iterator operator--(int) { const_iterator result = *this; --* this; return result; } + + const_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pNext; return *this; } + const_iterator& operator--(); + + private: + const VmaRawList* m_pList; + const VmaListItem* m_pItem; + + const_iterator(const VmaRawList* pList, const VmaListItem* pItem) : m_pList(pList), m_pItem(pItem) {} + }; + class const_reverse_iterator + { + friend class VmaList; + public: + const_reverse_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + const_reverse_iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + const_reverse_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + + const T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + const T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } + + bool operator==(const const_reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const const_reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } + + const_reverse_iterator operator++(int) { const_reverse_iterator result = *this; ++* this; return result; } + const_reverse_iterator operator--(int) { const_reverse_iterator result = *this; --* this; return result; } + + const_reverse_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pPrev; return *this; } + const_reverse_iterator& operator--(); + + private: + const VmaRawList* m_pList; + const VmaListItem* m_pItem; + + const_reverse_iterator(const VmaRawList* pList, const VmaListItem* pItem) : m_pList(pList), m_pItem(pItem) {} + }; + + VmaList(const AllocatorT& allocator) : m_RawList(allocator.m_pCallbacks) {} + + bool empty() const { return m_RawList.IsEmpty(); } + size_t size() const { return m_RawList.GetCount(); } + + iterator begin() { return iterator(&m_RawList, m_RawList.Front()); } + iterator end() { return iterator(&m_RawList, VMA_NULL); } + + const_iterator cbegin() const { return const_iterator(&m_RawList, m_RawList.Front()); } + const_iterator cend() const { return const_iterator(&m_RawList, VMA_NULL); } + + const_iterator begin() const { return cbegin(); } + const_iterator end() const { return cend(); } + + reverse_iterator rbegin() { return reverse_iterator(&m_RawList, m_RawList.Back()); } + reverse_iterator rend() { return reverse_iterator(&m_RawList, VMA_NULL); } + + const_reverse_iterator crbegin() { return const_reverse_iterator(&m_RawList, m_RawList.Back()); } + const_reverse_iterator crend() { return const_reverse_iterator(&m_RawList, VMA_NULL); } + + const_reverse_iterator rbegin() const { return crbegin(); } + const_reverse_iterator rend() const { return crend(); } + + void push_back(const T& value) { m_RawList.PushBack(value); } + iterator insert(iterator it, const T& value) { return iterator(&m_RawList, m_RawList.InsertBefore(it.m_pItem, value)); } + + void clear() { m_RawList.Clear(); } + void erase(iterator it) { m_RawList.Remove(it.m_pItem); } + +private: + VmaRawList m_RawList; +}; + +#ifndef _VMA_LIST_FUNCTIONS +template +typename VmaList::iterator& VmaList::iterator::operator--() +{ + if (m_pItem != VMA_NULL) + { + m_pItem = m_pItem->pPrev; + } + else + { + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); + } + return *this; +} + +template +typename VmaList::reverse_iterator& VmaList::reverse_iterator::operator--() +{ + if (m_pItem != VMA_NULL) + { + m_pItem = m_pItem->pNext; + } + else + { + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Front(); + } + return *this; +} + +template +typename VmaList::const_iterator& VmaList::const_iterator::operator--() +{ + if (m_pItem != VMA_NULL) + { + m_pItem = m_pItem->pPrev; + } + else + { + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); + } + return *this; +} + +template +typename VmaList::const_reverse_iterator& VmaList::const_reverse_iterator::operator--() +{ + if (m_pItem != VMA_NULL) + { + m_pItem = m_pItem->pNext; + } + else + { + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); + } + return *this; +} +#endif // _VMA_LIST_FUNCTIONS +#endif // _VMA_LIST + +#ifndef _VMA_INTRUSIVE_LINKED_LIST +/* +Expected interface of ItemTypeTraits: +struct MyItemTypeTraits +{ + typedef MyItem ItemType; + static ItemType* GetPrev(const ItemType* item) { return item->myPrevPtr; } + static ItemType* GetNext(const ItemType* item) { return item->myNextPtr; } + static ItemType*& AccessPrev(ItemType* item) { return item->myPrevPtr; } + static ItemType*& AccessNext(ItemType* item) { return item->myNextPtr; } +}; +*/ +template +class VmaIntrusiveLinkedList +{ +public: + typedef typename ItemTypeTraits::ItemType ItemType; + static ItemType* GetPrev(const ItemType* item) { return ItemTypeTraits::GetPrev(item); } + static ItemType* GetNext(const ItemType* item) { return ItemTypeTraits::GetNext(item); } + + // Movable, not copyable. + VmaIntrusiveLinkedList() = default; + VmaIntrusiveLinkedList(VmaIntrusiveLinkedList && src); + VmaIntrusiveLinkedList(const VmaIntrusiveLinkedList&) = delete; + VmaIntrusiveLinkedList& operator=(VmaIntrusiveLinkedList&& src); + VmaIntrusiveLinkedList& operator=(const VmaIntrusiveLinkedList&) = delete; + ~VmaIntrusiveLinkedList() { VMA_HEAVY_ASSERT(IsEmpty()); } + + size_t GetCount() const { return m_Count; } + bool IsEmpty() const { return m_Count == 0; } + ItemType* Front() { return m_Front; } + ItemType* Back() { return m_Back; } + const ItemType* Front() const { return m_Front; } + const ItemType* Back() const { return m_Back; } + + void PushBack(ItemType* item); + void PushFront(ItemType* item); + ItemType* PopBack(); + ItemType* PopFront(); + + // MyItem can be null - it means PushBack. + void InsertBefore(ItemType* existingItem, ItemType* newItem); + // MyItem can be null - it means PushFront. + void InsertAfter(ItemType* existingItem, ItemType* newItem); + void Remove(ItemType* item); + void RemoveAll(); + +private: + ItemType* m_Front = VMA_NULL; + ItemType* m_Back = VMA_NULL; + size_t m_Count = 0; +}; + +#ifndef _VMA_INTRUSIVE_LINKED_LIST_FUNCTIONS +template +VmaIntrusiveLinkedList::VmaIntrusiveLinkedList(VmaIntrusiveLinkedList&& src) + : m_Front(src.m_Front), m_Back(src.m_Back), m_Count(src.m_Count) +{ + src.m_Front = src.m_Back = VMA_NULL; + src.m_Count = 0; +} + +template +VmaIntrusiveLinkedList& VmaIntrusiveLinkedList::operator=(VmaIntrusiveLinkedList&& src) +{ + if (&src != this) + { + VMA_HEAVY_ASSERT(IsEmpty()); + m_Front = src.m_Front; + m_Back = src.m_Back; + m_Count = src.m_Count; + src.m_Front = src.m_Back = VMA_NULL; + src.m_Count = 0; + } + return *this; +} + +template +void VmaIntrusiveLinkedList::PushBack(ItemType* item) +{ + VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); + if (IsEmpty()) + { + m_Front = item; + m_Back = item; + m_Count = 1; + } + else + { + ItemTypeTraits::AccessPrev(item) = m_Back; + ItemTypeTraits::AccessNext(m_Back) = item; + m_Back = item; + ++m_Count; + } +} + +template +void VmaIntrusiveLinkedList::PushFront(ItemType* item) +{ + VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); + if (IsEmpty()) + { + m_Front = item; + m_Back = item; + m_Count = 1; + } + else + { + ItemTypeTraits::AccessNext(item) = m_Front; + ItemTypeTraits::AccessPrev(m_Front) = item; + m_Front = item; + ++m_Count; + } +} + +template +typename VmaIntrusiveLinkedList::ItemType* VmaIntrusiveLinkedList::PopBack() +{ + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const backItem = m_Back; + ItemType* const prevItem = ItemTypeTraits::GetPrev(backItem); + if (prevItem != VMA_NULL) + { + ItemTypeTraits::AccessNext(prevItem) = VMA_NULL; + } + m_Back = prevItem; + --m_Count; + ItemTypeTraits::AccessPrev(backItem) = VMA_NULL; + ItemTypeTraits::AccessNext(backItem) = VMA_NULL; + return backItem; +} + +template +typename VmaIntrusiveLinkedList::ItemType* VmaIntrusiveLinkedList::PopFront() +{ + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const frontItem = m_Front; + ItemType* const nextItem = ItemTypeTraits::GetNext(frontItem); + if (nextItem != VMA_NULL) + { + ItemTypeTraits::AccessPrev(nextItem) = VMA_NULL; + } + m_Front = nextItem; + --m_Count; + ItemTypeTraits::AccessPrev(frontItem) = VMA_NULL; + ItemTypeTraits::AccessNext(frontItem) = VMA_NULL; + return frontItem; +} + +template +void VmaIntrusiveLinkedList::InsertBefore(ItemType* existingItem, ItemType* newItem) +{ + VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); + if (existingItem != VMA_NULL) + { + ItemType* const prevItem = ItemTypeTraits::GetPrev(existingItem); + ItemTypeTraits::AccessPrev(newItem) = prevItem; + ItemTypeTraits::AccessNext(newItem) = existingItem; + ItemTypeTraits::AccessPrev(existingItem) = newItem; + if (prevItem != VMA_NULL) + { + ItemTypeTraits::AccessNext(prevItem) = newItem; + } + else + { + VMA_HEAVY_ASSERT(m_Front == existingItem); + m_Front = newItem; + } + ++m_Count; + } + else + PushBack(newItem); +} + +template +void VmaIntrusiveLinkedList::InsertAfter(ItemType* existingItem, ItemType* newItem) +{ + VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); + if (existingItem != VMA_NULL) + { + ItemType* const nextItem = ItemTypeTraits::GetNext(existingItem); + ItemTypeTraits::AccessNext(newItem) = nextItem; + ItemTypeTraits::AccessPrev(newItem) = existingItem; + ItemTypeTraits::AccessNext(existingItem) = newItem; + if (nextItem != VMA_NULL) + { + ItemTypeTraits::AccessPrev(nextItem) = newItem; + } + else + { + VMA_HEAVY_ASSERT(m_Back == existingItem); + m_Back = newItem; + } + ++m_Count; + } + else + return PushFront(newItem); +} + +template +void VmaIntrusiveLinkedList::Remove(ItemType* item) +{ + VMA_HEAVY_ASSERT(item != VMA_NULL && m_Count > 0); + if (ItemTypeTraits::GetPrev(item) != VMA_NULL) + { + ItemTypeTraits::AccessNext(ItemTypeTraits::AccessPrev(item)) = ItemTypeTraits::GetNext(item); + } + else + { + VMA_HEAVY_ASSERT(m_Front == item); + m_Front = ItemTypeTraits::GetNext(item); + } + + if (ItemTypeTraits::GetNext(item) != VMA_NULL) + { + ItemTypeTraits::AccessPrev(ItemTypeTraits::AccessNext(item)) = ItemTypeTraits::GetPrev(item); + } + else + { + VMA_HEAVY_ASSERT(m_Back == item); + m_Back = ItemTypeTraits::GetPrev(item); + } + ItemTypeTraits::AccessPrev(item) = VMA_NULL; + ItemTypeTraits::AccessNext(item) = VMA_NULL; + --m_Count; +} + +template +void VmaIntrusiveLinkedList::RemoveAll() +{ + if (!IsEmpty()) + { + ItemType* item = m_Back; + while (item != VMA_NULL) + { + ItemType* const prevItem = ItemTypeTraits::AccessPrev(item); + ItemTypeTraits::AccessPrev(item) = VMA_NULL; + ItemTypeTraits::AccessNext(item) = VMA_NULL; + item = prevItem; + } + m_Front = VMA_NULL; + m_Back = VMA_NULL; + m_Count = 0; + } +} +#endif // _VMA_INTRUSIVE_LINKED_LIST_FUNCTIONS +#endif // _VMA_INTRUSIVE_LINKED_LIST + +// Unused in this version. +#if 0 + +#ifndef _VMA_PAIR +template +struct VmaPair +{ + T1 first; + T2 second; + + VmaPair() : first(), second() {} + VmaPair(const T1& firstSrc, const T2& secondSrc) : first(firstSrc), second(secondSrc) {} +}; + +template +struct VmaPairFirstLess +{ + bool operator()(const VmaPair& lhs, const VmaPair& rhs) const + { + return lhs.first < rhs.first; + } + bool operator()(const VmaPair& lhs, const FirstT& rhsFirst) const + { + return lhs.first < rhsFirst; + } +}; +#endif // _VMA_PAIR + +#ifndef _VMA_MAP +/* Class compatible with subset of interface of std::unordered_map. +KeyT, ValueT must be POD because they will be stored in VmaVector. +*/ +template +class VmaMap +{ +public: + typedef VmaPair PairType; + typedef PairType* iterator; + + VmaMap(const VmaStlAllocator& allocator) : m_Vector(allocator) {} + + iterator begin() { return m_Vector.begin(); } + iterator end() { return m_Vector.end(); } + + void insert(const PairType& pair); + iterator find(const KeyT& key); + void erase(iterator it); + +private: + VmaVector< PairType, VmaStlAllocator > m_Vector; +}; + +#ifndef _VMA_MAP_FUNCTIONS +template +void VmaMap::insert(const PairType& pair) +{ + const size_t indexToInsert = VmaBinaryFindFirstNotLess( + m_Vector.data(), + m_Vector.data() + m_Vector.size(), + pair, + VmaPairFirstLess()) - m_Vector.data(); + VmaVectorInsert(m_Vector, indexToInsert, pair); +} + +template +VmaPair* VmaMap::find(const KeyT& key) +{ + PairType* it = VmaBinaryFindFirstNotLess( + m_Vector.data(), + m_Vector.data() + m_Vector.size(), + key, + VmaPairFirstLess()); + if ((it != m_Vector.end()) && (it->first == key)) + { + return it; + } + else + { + return m_Vector.end(); + } +} + +template +void VmaMap::erase(iterator it) +{ + VmaVectorRemove(m_Vector, it - m_Vector.begin()); +} +#endif // _VMA_MAP_FUNCTIONS +#endif // _VMA_MAP + +#endif // #if 0 + +#if !defined(_VMA_STRING_BUILDER) && VMA_STATS_STRING_ENABLED +class VmaStringBuilder +{ +public: + VmaStringBuilder(const VkAllocationCallbacks* allocationCallbacks) : m_Data(VmaStlAllocator(allocationCallbacks)) {} + ~VmaStringBuilder() = default; + + size_t GetLength() const { return m_Data.size(); } + const char* GetData() const { return m_Data.data(); } + void AddNewLine() { Add('\n'); } + void Add(char ch) { m_Data.push_back(ch); } + + void Add(const char* pStr); + void AddNumber(uint32_t num); + void AddNumber(uint64_t num); + void AddPointer(const void* ptr); + +private: + VmaVector> m_Data; +}; + +#ifndef _VMA_STRING_BUILDER_FUNCTIONS +void VmaStringBuilder::Add(const char* pStr) +{ + const size_t strLen = strlen(pStr); + if (strLen > 0) + { + const size_t oldCount = m_Data.size(); + m_Data.resize(oldCount + strLen); + memcpy(m_Data.data() + oldCount, pStr, strLen); + } +} + +void VmaStringBuilder::AddNumber(uint32_t num) +{ + char buf[11]; + buf[10] = '\0'; + char* p = &buf[10]; + do + { + *--p = '0' + (num % 10); + num /= 10; + } while (num); + Add(p); +} + +void VmaStringBuilder::AddNumber(uint64_t num) +{ + char buf[21]; + buf[20] = '\0'; + char* p = &buf[20]; + do + { + *--p = '0' + (num % 10); + num /= 10; + } while (num); + Add(p); +} + +void VmaStringBuilder::AddPointer(const void* ptr) +{ + char buf[21]; + VmaPtrToStr(buf, sizeof(buf), ptr); + Add(buf); +} +#endif //_VMA_STRING_BUILDER_FUNCTIONS +#endif // _VMA_STRING_BUILDER + +#if !defined(_VMA_JSON_WRITER) && VMA_STATS_STRING_ENABLED +/* +Allows to conveniently build a correct JSON document to be written to the +VmaStringBuilder passed to the constructor. +*/ +class VmaJsonWriter +{ + VMA_CLASS_NO_COPY(VmaJsonWriter) +public: + // sb - string builder to write the document to. Must remain alive for the whole lifetime of this object. + VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb); + ~VmaJsonWriter(); + + // Begins object by writing "{". + // Inside an object, you must call pairs of WriteString and a value, e.g.: + // j.BeginObject(true); j.WriteString("A"); j.WriteNumber(1); j.WriteString("B"); j.WriteNumber(2); j.EndObject(); + // Will write: { "A": 1, "B": 2 } + void BeginObject(bool singleLine = false); + // Ends object by writing "}". + void EndObject(); + + // Begins array by writing "[". + // Inside an array, you can write a sequence of any values. + void BeginArray(bool singleLine = false); + // Ends array by writing "[". + void EndArray(); + + // Writes a string value inside "". + // pStr can contain any ANSI characters, including '"', new line etc. - they will be properly escaped. + void WriteString(const char* pStr); + + // Begins writing a string value. + // Call BeginString, ContinueString, ContinueString, ..., EndString instead of + // WriteString to conveniently build the string content incrementally, made of + // parts including numbers. + void BeginString(const char* pStr = VMA_NULL); + // Posts next part of an open string. + void ContinueString(const char* pStr); + // Posts next part of an open string. The number is converted to decimal characters. + void ContinueString(uint32_t n); + void ContinueString(uint64_t n); + // Posts next part of an open string. Pointer value is converted to characters + // using "%p" formatting - shown as hexadecimal number, e.g.: 000000081276Ad00 + void ContinueString_Pointer(const void* ptr); + // Ends writing a string value by writing '"'. + void EndString(const char* pStr = VMA_NULL); + + // Writes a number value. + void WriteNumber(uint32_t n); + void WriteNumber(uint64_t n); + // Writes a boolean value - false or true. + void WriteBool(bool b); + // Writes a null value. + void WriteNull(); + +private: + enum COLLECTION_TYPE + { + COLLECTION_TYPE_OBJECT, + COLLECTION_TYPE_ARRAY, + }; + struct StackItem + { + COLLECTION_TYPE type; + uint32_t valueCount; + bool singleLineMode; + }; + + static const char* const INDENT; + + VmaStringBuilder& m_SB; + VmaVector< StackItem, VmaStlAllocator > m_Stack; + bool m_InsideString; + + void BeginValue(bool isString); + void WriteIndent(bool oneLess = false); +}; +const char* const VmaJsonWriter::INDENT = " "; + +#ifndef _VMA_JSON_WRITER_FUNCTIONS +VmaJsonWriter::VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb) + : m_SB(sb), + m_Stack(VmaStlAllocator(pAllocationCallbacks)), + m_InsideString(false) {} + +VmaJsonWriter::~VmaJsonWriter() +{ + VMA_ASSERT(!m_InsideString); + VMA_ASSERT(m_Stack.empty()); +} + +void VmaJsonWriter::BeginObject(bool singleLine) +{ + VMA_ASSERT(!m_InsideString); + + BeginValue(false); + m_SB.Add('{'); + + StackItem item; + item.type = COLLECTION_TYPE_OBJECT; + item.valueCount = 0; + item.singleLineMode = singleLine; + m_Stack.push_back(item); +} + +void VmaJsonWriter::EndObject() +{ + VMA_ASSERT(!m_InsideString); + + WriteIndent(true); + m_SB.Add('}'); + + VMA_ASSERT(!m_Stack.empty() && m_Stack.back().type == COLLECTION_TYPE_OBJECT); + m_Stack.pop_back(); +} + +void VmaJsonWriter::BeginArray(bool singleLine) +{ + VMA_ASSERT(!m_InsideString); + + BeginValue(false); + m_SB.Add('['); + + StackItem item; + item.type = COLLECTION_TYPE_ARRAY; + item.valueCount = 0; + item.singleLineMode = singleLine; + m_Stack.push_back(item); +} + +void VmaJsonWriter::EndArray() +{ + VMA_ASSERT(!m_InsideString); + + WriteIndent(true); + m_SB.Add(']'); + + VMA_ASSERT(!m_Stack.empty() && m_Stack.back().type == COLLECTION_TYPE_ARRAY); + m_Stack.pop_back(); +} + +void VmaJsonWriter::WriteString(const char* pStr) +{ + BeginString(pStr); + EndString(); +} + +void VmaJsonWriter::BeginString(const char* pStr) +{ + VMA_ASSERT(!m_InsideString); + + BeginValue(true); + m_SB.Add('"'); + m_InsideString = true; + if (pStr != VMA_NULL && pStr[0] != '\0') + { + ContinueString(pStr); + } +} + +void VmaJsonWriter::ContinueString(const char* pStr) +{ + VMA_ASSERT(m_InsideString); + + const size_t strLen = strlen(pStr); + for (size_t i = 0; i < strLen; ++i) + { + char ch = pStr[i]; + if (ch == '\\') + { + m_SB.Add("\\\\"); + } + else if (ch == '"') + { + m_SB.Add("\\\""); + } + else if (ch >= 32) + { + m_SB.Add(ch); + } + else switch (ch) + { + case '\b': + m_SB.Add("\\b"); + break; + case '\f': + m_SB.Add("\\f"); + break; + case '\n': + m_SB.Add("\\n"); + break; + case '\r': + m_SB.Add("\\r"); + break; + case '\t': + m_SB.Add("\\t"); + break; + default: + VMA_ASSERT(0 && "Character not currently supported."); + break; + } + } +} + +void VmaJsonWriter::ContinueString(uint32_t n) +{ + VMA_ASSERT(m_InsideString); + m_SB.AddNumber(n); +} + +void VmaJsonWriter::ContinueString(uint64_t n) +{ + VMA_ASSERT(m_InsideString); + m_SB.AddNumber(n); +} + +void VmaJsonWriter::ContinueString_Pointer(const void* ptr) +{ + VMA_ASSERT(m_InsideString); + m_SB.AddPointer(ptr); +} + +void VmaJsonWriter::EndString(const char* pStr) +{ + VMA_ASSERT(m_InsideString); + if (pStr != VMA_NULL && pStr[0] != '\0') + { + ContinueString(pStr); + } + m_SB.Add('"'); + m_InsideString = false; +} + +void VmaJsonWriter::WriteNumber(uint32_t n) +{ + VMA_ASSERT(!m_InsideString); + BeginValue(false); + m_SB.AddNumber(n); +} + +void VmaJsonWriter::WriteNumber(uint64_t n) +{ + VMA_ASSERT(!m_InsideString); + BeginValue(false); + m_SB.AddNumber(n); +} + +void VmaJsonWriter::WriteBool(bool b) +{ + VMA_ASSERT(!m_InsideString); + BeginValue(false); + m_SB.Add(b ? "true" : "false"); +} + +void VmaJsonWriter::WriteNull() +{ + VMA_ASSERT(!m_InsideString); + BeginValue(false); + m_SB.Add("null"); +} + +void VmaJsonWriter::BeginValue(bool isString) +{ + if (!m_Stack.empty()) + { + StackItem& currItem = m_Stack.back(); + if (currItem.type == COLLECTION_TYPE_OBJECT && + currItem.valueCount % 2 == 0) + { + VMA_ASSERT(isString); + } + + if (currItem.type == COLLECTION_TYPE_OBJECT && + currItem.valueCount % 2 != 0) + { + m_SB.Add(": "); + } + else if (currItem.valueCount > 0) + { + m_SB.Add(", "); + WriteIndent(); + } + else + { + WriteIndent(); + } + ++currItem.valueCount; + } +} + +void VmaJsonWriter::WriteIndent(bool oneLess) +{ + if (!m_Stack.empty() && !m_Stack.back().singleLineMode) + { + m_SB.AddNewLine(); + + size_t count = m_Stack.size(); + if (count > 0 && oneLess) + { + --count; + } + for (size_t i = 0; i < count; ++i) + { + m_SB.Add(INDENT); + } + } +} +#endif // _VMA_JSON_WRITER_FUNCTIONS + +static void VmaPrintStatInfo(VmaJsonWriter& json, const VmaStatInfo& stat) +{ + json.BeginObject(); + + json.WriteString("Blocks"); + json.WriteNumber(stat.blockCount); + + json.WriteString("Allocations"); + json.WriteNumber(stat.allocationCount); + + json.WriteString("UnusedRanges"); + json.WriteNumber(stat.unusedRangeCount); + + json.WriteString("UsedBytes"); + json.WriteNumber(stat.usedBytes); + + json.WriteString("UnusedBytes"); + json.WriteNumber(stat.unusedBytes); + + if (stat.allocationCount > 1) + { + json.WriteString("AllocationSize"); + json.BeginObject(true); + json.WriteString("Min"); + json.WriteNumber(stat.allocationSizeMin); + json.WriteString("Avg"); + json.WriteNumber(stat.allocationSizeAvg); + json.WriteString("Max"); + json.WriteNumber(stat.allocationSizeMax); + json.EndObject(); + } + + if (stat.unusedRangeCount > 1) + { + json.WriteString("UnusedRangeSize"); + json.BeginObject(true); + json.WriteString("Min"); + json.WriteNumber(stat.unusedRangeSizeMin); + json.WriteString("Avg"); + json.WriteNumber(stat.unusedRangeSizeAvg); + json.WriteString("Max"); + json.WriteNumber(stat.unusedRangeSizeMax); + json.EndObject(); + } + + json.EndObject(); +} +#endif // _VMA_JSON_WRITER + +#ifndef _VMA_DEVICE_MEMORY_BLOCK +/* +Represents a single block of device memory (`VkDeviceMemory`) with all the +data about its regions (aka suballocations, #VmaAllocation), assigned and free. + +Thread-safety: This class must be externally synchronized. +*/ +class VmaDeviceMemoryBlock +{ + VMA_CLASS_NO_COPY(VmaDeviceMemoryBlock) +public: + VmaBlockMetadata* m_pMetadata; + + VmaDeviceMemoryBlock(VmaAllocator hAllocator); + ~VmaDeviceMemoryBlock(); + + // Always call after construction. + void Init( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t newMemoryTypeIndex, + VkDeviceMemory newMemory, + VkDeviceSize newSize, + uint32_t id, + uint32_t algorithm, + VkDeviceSize bufferImageGranularity); + // Always call before destruction. + void Destroy(VmaAllocator allocator); + + VmaPool GetParentPool() const { return m_hParentPool; } + VkDeviceMemory GetDeviceMemory() const { return m_hMemory; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + uint32_t GetId() const { return m_Id; } + void* GetMappedData() const { return m_pMappedData; } + + // Validates all data structures inside this object. If not valid, returns false. + bool Validate() const; + VkResult CheckCorruption(VmaAllocator hAllocator); + + // ppData can be null. + VkResult Map(VmaAllocator hAllocator, uint32_t count, void** ppData); + void Unmap(VmaAllocator hAllocator, uint32_t count); + + VkResult WriteMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); + VkResult ValidateMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); + + VkResult BindBufferMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext); + VkResult BindImageMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext); + +private: + VmaPool m_hParentPool; // VK_NULL_HANDLE if not belongs to custom pool. + uint32_t m_MemoryTypeIndex; + uint32_t m_Id; + VkDeviceMemory m_hMemory; + + /* + Protects access to m_hMemory so it is not used by multiple threads simultaneously, e.g. vkMapMemory, vkBindBufferMemory. + Also protects m_MapCount, m_pMappedData. + Allocations, deallocations, any change in m_pMetadata is protected by parent's VmaBlockVector::m_Mutex. + */ + VMA_MUTEX m_Mutex; + uint32_t m_MapCount; + void* m_pMappedData; +}; +#endif // _VMA_DEVICE_MEMORY_BLOCK + +#ifndef _VMA_ALLOCATION_T +struct VmaAllocation_T +{ + friend struct VmaDedicatedAllocationListItemTraits; + + static const uint8_t MAP_COUNT_FLAG_PERSISTENT_MAP = 0x80; + + enum FLAGS { FLAG_USER_DATA_STRING = 0x01 }; + +public: + enum ALLOCATION_TYPE + { + ALLOCATION_TYPE_NONE, + ALLOCATION_TYPE_BLOCK, + ALLOCATION_TYPE_DEDICATED, + }; + + // This struct is allocated using VmaPoolAllocator. + VmaAllocation_T(bool userDataString); + ~VmaAllocation_T(); + + void InitBlockAllocation( + VmaDeviceMemoryBlock* block, + VmaAllocHandle allocHandle, + VkDeviceSize alignment, + VkDeviceSize size, + uint32_t memoryTypeIndex, + VmaSuballocationType suballocationType, + bool mapped); + // pMappedData not null means allocation is created with MAPPED flag. + void InitDedicatedAllocation( + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceMemory hMemory, + VmaSuballocationType suballocationType, + void* pMappedData, + VkDeviceSize size); + + ALLOCATION_TYPE GetType() const { return (ALLOCATION_TYPE)m_Type; } + VkDeviceSize GetAlignment() const { return m_Alignment; } + VkDeviceSize GetSize() const { return m_Size; } + bool IsUserDataString() const { return (m_Flags & FLAG_USER_DATA_STRING) != 0; } + void* GetUserData() const { return m_pUserData; } + VmaSuballocationType GetSuballocationType() const { return (VmaSuballocationType)m_SuballocationType; } + + VmaDeviceMemoryBlock* GetBlock() const { VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); return m_BlockAllocation.m_Block; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + bool IsPersistentMap() const { return (m_MapCount & MAP_COUNT_FLAG_PERSISTENT_MAP) != 0; } + + void SetUserData(VmaAllocator hAllocator, void* pUserData); + void ChangeBlockAllocation(VmaAllocator hAllocator, VmaDeviceMemoryBlock* block, VmaAllocHandle allocHandle); + void ChangeAllocHandle(VmaAllocHandle newAllocHandle); + VmaAllocHandle GetAllocHandle() const; + VkDeviceSize GetOffset() const; + VmaPool GetParentPool() const; + VkDeviceMemory GetMemory() const; + void* GetMappedData() const; + + void DedicatedAllocCalcStatsInfo(VmaStatInfo& outInfo); + + void BlockAllocMap(); + void BlockAllocUnmap(); + VkResult DedicatedAllocMap(VmaAllocator hAllocator, void** ppData); + void DedicatedAllocUnmap(VmaAllocator hAllocator); + +#if VMA_STATS_STRING_ENABLED + uint32_t GetBufferImageUsage() const { return m_BufferImageUsage; } + + void InitBufferImageUsage(uint32_t bufferImageUsage); + void PrintParameters(class VmaJsonWriter& json) const; +#endif + +private: + // Allocation out of VmaDeviceMemoryBlock. + struct BlockAllocation + { + VmaDeviceMemoryBlock* m_Block; + VmaAllocHandle m_AllocHandle; + }; + // Allocation for an object that has its own private VkDeviceMemory. + struct DedicatedAllocation + { + VmaPool m_hParentPool; // VK_NULL_HANDLE if not belongs to custom pool. + VkDeviceMemory m_hMemory; + void* m_pMappedData; // Not null means memory is mapped. + VmaAllocation_T* m_Prev; + VmaAllocation_T* m_Next; + }; + union + { + // Allocation out of VmaDeviceMemoryBlock. + BlockAllocation m_BlockAllocation; + // Allocation for an object that has its own private VkDeviceMemory. + DedicatedAllocation m_DedicatedAllocation; + }; + + VkDeviceSize m_Alignment; + VkDeviceSize m_Size; + void* m_pUserData; + uint32_t m_MemoryTypeIndex; + uint8_t m_Type; // ALLOCATION_TYPE + uint8_t m_SuballocationType; // VmaSuballocationType + // Bit 0x80 is set when allocation was created with VMA_ALLOCATION_CREATE_MAPPED_BIT. + // Bits with mask 0x7F are reference counter for vmaMapMemory()/vmaUnmapMemory(). + uint8_t m_MapCount; + uint8_t m_Flags; // enum FLAGS +#if VMA_STATS_STRING_ENABLED + uint32_t m_BufferImageUsage; // 0 if unknown. +#endif + + void FreeUserDataString(VmaAllocator hAllocator); +}; +#endif // _VMA_ALLOCATION_T + +#ifndef _VMA_DEDICATED_ALLOCATION_LIST_ITEM_TRAITS +struct VmaDedicatedAllocationListItemTraits +{ + typedef VmaAllocation_T ItemType; + + static ItemType* GetPrev(const ItemType* item) + { + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Prev; + } + static ItemType* GetNext(const ItemType* item) + { + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Next; + } + static ItemType*& AccessPrev(ItemType* item) + { + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Prev; + } + static ItemType*& AccessNext(ItemType* item) + { + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Next; + } +}; +#endif // _VMA_DEDICATED_ALLOCATION_LIST_ITEM_TRAITS + +#ifndef _VMA_DEDICATED_ALLOCATION_LIST +/* +Stores linked list of VmaAllocation_T objects. +Thread-safe, synchronized internally. +*/ +class VmaDedicatedAllocationList +{ +public: + VmaDedicatedAllocationList() {} + ~VmaDedicatedAllocationList(); + + void Init(bool useMutex) { m_UseMutex = useMutex; } + bool Validate(); + + void AddStats(VmaStats* stats, uint32_t memTypeIndex, uint32_t memHeapIndex); + void AddPoolStats(VmaPoolStats* stats); +#if VMA_STATS_STRING_ENABLED + // Writes JSON array with the list of allocations. + void BuildStatsString(VmaJsonWriter& json); +#endif + + bool IsEmpty(); + void Register(VmaAllocation alloc); + void Unregister(VmaAllocation alloc); + +private: + typedef VmaIntrusiveLinkedList DedicatedAllocationLinkedList; + + bool m_UseMutex = true; + VMA_RW_MUTEX m_Mutex; + DedicatedAllocationLinkedList m_AllocationList; +}; + +#ifndef _VMA_DEDICATED_ALLOCATION_LIST_FUNCTIONS + +VmaDedicatedAllocationList::~VmaDedicatedAllocationList() +{ + VMA_HEAVY_ASSERT(Validate()); + + if (!m_AllocationList.IsEmpty()) + { + VMA_ASSERT(false && "Unfreed dedicated allocations found!"); + } +} + +bool VmaDedicatedAllocationList::Validate() +{ + const size_t declaredCount = m_AllocationList.GetCount(); + size_t actualCount = 0; + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + for (VmaAllocation alloc = m_AllocationList.Front(); + alloc != VMA_NULL; alloc = m_AllocationList.GetNext(alloc)) + { + ++actualCount; + } + VMA_VALIDATE(actualCount == declaredCount); + + return true; +} + +void VmaDedicatedAllocationList::AddStats(VmaStats* stats, uint32_t memTypeIndex, uint32_t memHeapIndex) +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + for (VmaAllocation alloc = m_AllocationList.Front(); + alloc != VMA_NULL; alloc = m_AllocationList.GetNext(alloc)) + { + VmaStatInfo allocationStatInfo; + alloc->DedicatedAllocCalcStatsInfo(allocationStatInfo); + VmaAddStatInfo(stats->total, allocationStatInfo); + VmaAddStatInfo(stats->memoryType[memTypeIndex], allocationStatInfo); + VmaAddStatInfo(stats->memoryHeap[memHeapIndex], allocationStatInfo); + } +} + +void VmaDedicatedAllocationList::AddPoolStats(VmaPoolStats* stats) +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + + const size_t allocCount = m_AllocationList.GetCount(); + stats->allocationCount += allocCount; + stats->blockCount += allocCount; + + for(auto* item = m_AllocationList.Front(); item != nullptr; item = DedicatedAllocationLinkedList::GetNext(item)) + { + stats->size += item->GetSize(); + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaDedicatedAllocationList::BuildStatsString(VmaJsonWriter& json) +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + json.BeginArray(); + for (VmaAllocation alloc = m_AllocationList.Front(); + alloc != VMA_NULL; alloc = m_AllocationList.GetNext(alloc)) + { + json.BeginObject(true); + alloc->PrintParameters(json); + json.EndObject(); + } + json.EndArray(); +} +#endif // VMA_STATS_STRING_ENABLED + +bool VmaDedicatedAllocationList::IsEmpty() +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + return m_AllocationList.IsEmpty(); +} + +void VmaDedicatedAllocationList::Register(VmaAllocation alloc) +{ + VmaMutexLockWrite lock(m_Mutex, m_UseMutex); + m_AllocationList.PushBack(alloc); +} + +void VmaDedicatedAllocationList::Unregister(VmaAllocation alloc) +{ + VmaMutexLockWrite lock(m_Mutex, m_UseMutex); + m_AllocationList.Remove(alloc); +} +#endif // _VMA_DEDICATED_ALLOCATION_LIST_FUNCTIONS +#endif // _VMA_DEDICATED_ALLOCATION_LIST + +#ifndef _VMA_SUBALLOCATION +/* +Represents a region of VmaDeviceMemoryBlock that is either assigned and returned as +allocated memory block or free. +*/ +struct VmaSuballocation +{ + VkDeviceSize offset; + VkDeviceSize size; + void* userData; + VmaSuballocationType type; +}; + +// Comparator for offsets. +struct VmaSuballocationOffsetLess +{ + bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const + { + return lhs.offset < rhs.offset; + } +}; + +struct VmaSuballocationOffsetGreater +{ + bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const + { + return lhs.offset > rhs.offset; + } +}; + +struct VmaSuballocationItemSizeLess +{ + bool operator()(const VmaSuballocationList::iterator lhs, + const VmaSuballocationList::iterator rhs) const + { + return lhs->size < rhs->size; + } + + bool operator()(const VmaSuballocationList::iterator lhs, + VkDeviceSize rhsSize) const + { + return lhs->size < rhsSize; + } +}; +#endif // _VMA_SUBALLOCATION + +#ifndef _VMA_ALLOCATION_REQUEST +/* +Parameters of planned allocation inside a VmaDeviceMemoryBlock. +item points to a FREE suballocation. +*/ +struct VmaAllocationRequest +{ + VmaAllocHandle allocHandle; + VkDeviceSize size; + VmaSuballocationList::iterator item; + void* customData; + uint64_t algorithmData; + VmaAllocationRequestType type; +}; +#endif // _VMA_ALLOCATION_REQUEST + +#ifndef _VMA_BLOCK_METADATA +/* +Data structure used for bookkeeping of allocations and unused ranges of memory +in a single VkDeviceMemory block. +*/ +class VmaBlockMetadata +{ +public: + // pAllocationCallbacks, if not null, must be owned externally - alive and unchanged for the whole lifetime of this object. + VmaBlockMetadata(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata() = default; + + virtual void Init(VkDeviceSize size) { m_Size = size; } + bool IsVirtual() const { return m_IsVirtual; } + VkDeviceSize GetSize() const { return m_Size; } + + // Validates all data structures inside this object. If not valid, returns false. + virtual bool Validate() const = 0; + virtual size_t GetAllocationCount() const = 0; + virtual VkDeviceSize GetSumFreeSize() const = 0; + // Returns true if this block is empty - contains only single free suballocation. + virtual bool IsEmpty() const = 0; + virtual void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) = 0; + virtual VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const = 0; + + // Must set blockCount to 1. + virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const = 0; + // Shouldn't modify blockCount. + virtual void AddPoolStats(VmaPoolStats& inoutStats) const = 0; + +#if VMA_STATS_STRING_ENABLED + virtual void PrintDetailedMap(class VmaJsonWriter& json) const = 0; +#endif + + // Tries to find a place for suballocation with given parameters inside this block. + // If succeeded, fills pAllocationRequest and returns true. + // If failed, returns false. + virtual bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + // Always one of VMA_ALLOCATION_CREATE_STRATEGY_* or VMA_ALLOCATION_INTERNAL_STRATEGY_* flags. + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) = 0; + + virtual VkResult CheckCorruption(const void* pBlockData) = 0; + + // Makes actual allocation based on request. Request must already be checked and valid. + virtual void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) = 0; + + // Frees suballocation assigned to given memory region. + virtual void Free(VmaAllocHandle allocHandle) = 0; + + // Frees all allocations. + // Careful! Don't call it if there are VmaAllocation objects owned by userData of cleared allocations! + virtual void Clear() = 0; + + virtual void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) = 0; + virtual void DebugLogAllAllocations() const = 0; + +protected: + const VkAllocationCallbacks* GetAllocationCallbacks() const { return m_pAllocationCallbacks; } + VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } + VkDeviceSize GetDebugMargin() const { return IsVirtual() ? 0 : VMA_DEBUG_MARGIN; } + + void DebugLogAllocation(VkDeviceSize offset, VkDeviceSize size, void* userData) const; +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap_Begin(class VmaJsonWriter& json, + VkDeviceSize unusedBytes, + size_t allocationCount, + size_t unusedRangeCount) const; + void PrintDetailedMap_Allocation(class VmaJsonWriter& json, + VkDeviceSize offset, VkDeviceSize size, void* userData) const; + void PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, + VkDeviceSize offset, + VkDeviceSize size) const; + void PrintDetailedMap_End(class VmaJsonWriter& json) const; +#endif + +private: + VkDeviceSize m_Size; + const VkAllocationCallbacks* m_pAllocationCallbacks; + const VkDeviceSize m_BufferImageGranularity; + const bool m_IsVirtual; +}; + +#ifndef _VMA_BLOCK_METADATA_FUNCTIONS +VmaBlockMetadata::VmaBlockMetadata(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : m_Size(0), + m_pAllocationCallbacks(pAllocationCallbacks), + m_BufferImageGranularity(bufferImageGranularity), + m_IsVirtual(isVirtual) {} + +void VmaBlockMetadata::DebugLogAllocation(VkDeviceSize offset, VkDeviceSize size, void* userData) const +{ + if (IsVirtual()) + { + VMA_DEBUG_LOG("UNFREED VIRTUAL ALLOCATION; Offset: %llu; Size: %llu; UserData: %p", offset, size, userData); + } + else + { + VMA_ASSERT(userData != VMA_NULL); + VmaAllocation allocation = reinterpret_cast(userData); + + userData = allocation->GetUserData(); + +#if VMA_STATS_STRING_ENABLED + if (userData != VMA_NULL && allocation->IsUserDataString()) + { + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %s; Type: %s; Usage: %u", + offset, size, reinterpret_cast(userData), + VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()], + allocation->GetBufferImageUsage()); + } + else + { + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Type: %s; Usage: %u", + offset, size, userData, + VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()], + allocation->GetBufferImageUsage()); + } +#else + if (userData != VMA_NULL && allocation->IsUserDataString()) + { + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %s; Type: %u", + offset, size, reinterpret_cast(userData), + (uint32_t)allocation->GetSuballocationType()); + } + else + { + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Type: %u", + offset, size, userData, + (uint32_t)allocation->GetSuballocationType()); + } +#endif // VMA_STATS_STRING_ENABLED + } + +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata::PrintDetailedMap_Begin(class VmaJsonWriter& json, + VkDeviceSize unusedBytes, size_t allocationCount, size_t unusedRangeCount) const +{ + json.BeginObject(); + + json.WriteString("TotalBytes"); + json.WriteNumber(GetSize()); + + json.WriteString("UnusedBytes"); + json.WriteNumber(unusedBytes); + + json.WriteString("Allocations"); + json.WriteNumber((uint64_t)allocationCount); + + json.WriteString("UnusedRanges"); + json.WriteNumber((uint64_t)unusedRangeCount); + + json.WriteString("Suballocations"); + json.BeginArray(); +} + +void VmaBlockMetadata::PrintDetailedMap_Allocation(class VmaJsonWriter& json, + VkDeviceSize offset, VkDeviceSize size, void* userData) const +{ + json.BeginObject(true); + + json.WriteString("Offset"); + json.WriteNumber(offset); + + if (IsVirtual()) + { + json.WriteString("Type"); + json.WriteString("VirtualAllocation"); + + json.WriteString("Size"); + json.WriteNumber(size); + + if (userData != VMA_NULL) + { + json.WriteString("UserData"); + json.BeginString(); + json.ContinueString_Pointer(userData); + json.EndString(); + } + } + else + { + ((VmaAllocation)userData)->PrintParameters(json); + } + + json.EndObject(); +} + +void VmaBlockMetadata::PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, + VkDeviceSize offset, VkDeviceSize size) const +{ + json.BeginObject(true); + + json.WriteString("Offset"); + json.WriteNumber(offset); + + json.WriteString("Type"); + json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[VMA_SUBALLOCATION_TYPE_FREE]); + + json.WriteString("Size"); + json.WriteNumber(size); + + json.EndObject(); +} + +void VmaBlockMetadata::PrintDetailedMap_End(class VmaJsonWriter& json) const +{ + json.EndArray(); + json.EndObject(); +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_BLOCK_METADATA_FUNCTIONS +#endif // _VMA_BLOCK_METADATA + +#ifndef _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY +// Before deleting object of this class remember to call 'Destroy()' +class VmaBlockBufferImageGranularity final +{ +public: + struct ValidationContext + { + const VkAllocationCallbacks* allocCallbacks; + uint16_t* pageAllocs; + }; + + VmaBlockBufferImageGranularity(VkDeviceSize bufferImageGranularity); + ~VmaBlockBufferImageGranularity(); + + bool IsEnabled() const { return m_BufferImageGranularity > MAX_LOW_BUFFER_IMAGE_GRANULARITY; } + + void Init(const VkAllocationCallbacks* pAllocationCallbacks, VkDeviceSize size); + // Before destroying object you must call free it's memory + void Destroy(const VkAllocationCallbacks* pAllocationCallbacks); + + void RoundupAllocRequest(VmaSuballocationType allocType, + VkDeviceSize& inOutAllocSize, + VkDeviceSize& inOutAllocAlignment) const; + + bool CheckConflictAndAlignUp(VkDeviceSize& inOutAllocOffset, + VkDeviceSize allocSize, + VkDeviceSize blockOffset, + VkDeviceSize blockSize, + VmaSuballocationType allocType) const; + + void AllocPages(uint8_t allocType, VkDeviceSize offset, VkDeviceSize size); + void FreePages(VkDeviceSize offset, VkDeviceSize size); + void Clear(); + + ValidationContext StartValidation(const VkAllocationCallbacks* pAllocationCallbacks, + bool isVirutal) const; + bool Validate(ValidationContext& ctx, VkDeviceSize offset, VkDeviceSize size) const; + bool FinishValidation(ValidationContext& ctx) const; + +private: + static const uint16_t MAX_LOW_BUFFER_IMAGE_GRANULARITY = 256; + + struct RegionInfo + { + uint8_t allocType; + uint16_t allocCount; + }; + + VkDeviceSize m_BufferImageGranularity; + uint32_t m_RegionCount; + RegionInfo* m_RegionInfo; + + uint32_t GetStartPage(VkDeviceSize offset) const { return OffsetToPageIndex(offset & ~(m_BufferImageGranularity - 1)); } + uint32_t GetEndPage(VkDeviceSize offset, VkDeviceSize size) const { return OffsetToPageIndex((offset + size - 1) & ~(m_BufferImageGranularity - 1)); } + + uint32_t OffsetToPageIndex(VkDeviceSize offset) const; + void AllocPage(RegionInfo& page, uint8_t allocType); +}; + +#ifndef _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY_FUNCTIONS +VmaBlockBufferImageGranularity::VmaBlockBufferImageGranularity(VkDeviceSize bufferImageGranularity) + : m_BufferImageGranularity(bufferImageGranularity), + m_RegionCount(0), + m_RegionInfo(VMA_NULL) {} + +VmaBlockBufferImageGranularity::~VmaBlockBufferImageGranularity() +{ + VMA_ASSERT(m_RegionInfo == VMA_NULL && "Free not called before destroying object!"); +} + +void VmaBlockBufferImageGranularity::Init(const VkAllocationCallbacks* pAllocationCallbacks, VkDeviceSize size) +{ + if (IsEnabled()) + { + m_RegionCount = static_cast(VmaDivideRoundingUp(size, m_BufferImageGranularity)); + m_RegionInfo = vma_new_array(pAllocationCallbacks, RegionInfo, m_RegionCount); + memset(m_RegionInfo, 0, m_RegionCount * sizeof(RegionInfo)); + } +} + +void VmaBlockBufferImageGranularity::Destroy(const VkAllocationCallbacks* pAllocationCallbacks) +{ + if (m_RegionInfo) + { + vma_delete_array(pAllocationCallbacks, m_RegionInfo, m_RegionCount); + m_RegionInfo = VMA_NULL; + } +} + +void VmaBlockBufferImageGranularity::RoundupAllocRequest(VmaSuballocationType allocType, + VkDeviceSize& inOutAllocSize, + VkDeviceSize& inOutAllocAlignment) const +{ + if (m_BufferImageGranularity > 1 && + m_BufferImageGranularity <= MAX_LOW_BUFFER_IMAGE_GRANULARITY) + { + if (allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL) + { + inOutAllocAlignment = VMA_MAX(inOutAllocAlignment, m_BufferImageGranularity); + inOutAllocSize = VmaAlignUp(inOutAllocSize, m_BufferImageGranularity); + } + } +} + +bool VmaBlockBufferImageGranularity::CheckConflictAndAlignUp(VkDeviceSize& inOutAllocOffset, + VkDeviceSize allocSize, + VkDeviceSize blockOffset, + VkDeviceSize blockSize, + VmaSuballocationType allocType) const +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(inOutAllocOffset); + if (m_RegionInfo[startPage].allocCount > 0 && + VmaIsBufferImageGranularityConflict(static_cast(m_RegionInfo[startPage].allocType), allocType)) + { + inOutAllocOffset = VmaAlignUp(inOutAllocOffset, m_BufferImageGranularity); + if (blockSize < allocSize + inOutAllocOffset - blockOffset) + return true; + ++startPage; + } + uint32_t endPage = GetEndPage(inOutAllocOffset, allocSize); + if (endPage != startPage && + m_RegionInfo[endPage].allocCount > 0 && + VmaIsBufferImageGranularityConflict(static_cast(m_RegionInfo[endPage].allocType), allocType)) + { + return true; + } + } + return false; +} + +void VmaBlockBufferImageGranularity::AllocPages(uint8_t allocType, VkDeviceSize offset, VkDeviceSize size) +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(offset); + AllocPage(m_RegionInfo[startPage], allocType); + + uint32_t endPage = GetEndPage(offset, size); + if (startPage != endPage) + AllocPage(m_RegionInfo[endPage], allocType); + } +} + +void VmaBlockBufferImageGranularity::FreePages(VkDeviceSize offset, VkDeviceSize size) +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(offset); + --m_RegionInfo[startPage].allocCount; + if (m_RegionInfo[startPage].allocCount == 0) + m_RegionInfo[startPage].allocType = VMA_SUBALLOCATION_TYPE_FREE; + uint32_t endPage = GetEndPage(offset, size); + if (startPage != endPage) + { + --m_RegionInfo[endPage].allocCount; + if (m_RegionInfo[endPage].allocCount == 0) + m_RegionInfo[endPage].allocType = VMA_SUBALLOCATION_TYPE_FREE; + } + } +} + +void VmaBlockBufferImageGranularity::Clear() +{ + if (m_RegionInfo) + memset(m_RegionInfo, 0, m_RegionCount * sizeof(RegionInfo)); +} + +VmaBlockBufferImageGranularity::ValidationContext VmaBlockBufferImageGranularity::StartValidation( + const VkAllocationCallbacks* pAllocationCallbacks, bool isVirutal) const +{ + ValidationContext ctx{ pAllocationCallbacks, VMA_NULL }; + if (!isVirutal && IsEnabled()) + { + ctx.pageAllocs = vma_new_array(pAllocationCallbacks, uint16_t, m_RegionCount); + memset(ctx.pageAllocs, 0, m_RegionCount * sizeof(uint16_t)); + } + return ctx; +} + +bool VmaBlockBufferImageGranularity::Validate(ValidationContext& ctx, + VkDeviceSize offset, VkDeviceSize size) const +{ + if (IsEnabled()) + { + uint32_t start = GetStartPage(offset); + ++ctx.pageAllocs[start]; + VMA_VALIDATE(m_RegionInfo[start].allocCount > 0); + + uint32_t end = GetEndPage(offset, size); + if (start != end) + { + ++ctx.pageAllocs[end]; + VMA_VALIDATE(m_RegionInfo[end].allocCount > 0); + } + } + return true; +} + +bool VmaBlockBufferImageGranularity::FinishValidation(ValidationContext& ctx) const +{ + // Check proper page structure + if (IsEnabled()) + { + VMA_ASSERT(ctx.pageAllocs != VMA_NULL && "Validation context not initialized!"); + + for (uint32_t page = 0; page < m_RegionCount; ++page) + { + VMA_VALIDATE(ctx.pageAllocs[page] == m_RegionInfo[page].allocCount); + } + vma_delete_array(ctx.allocCallbacks, ctx.pageAllocs, m_RegionCount); + ctx.pageAllocs = VMA_NULL; + } + return true; +} + +uint32_t VmaBlockBufferImageGranularity::OffsetToPageIndex(VkDeviceSize offset) const +{ + return static_cast(offset >> VMA_BITSCAN_MSB(m_BufferImageGranularity)); +} + +void VmaBlockBufferImageGranularity::AllocPage(RegionInfo& page, uint8_t allocType) +{ + // When current alloc type is free then it can be overriden by new type + if (page.allocCount == 0 || page.allocCount > 0 && page.allocType == VMA_SUBALLOCATION_TYPE_FREE) + page.allocType = allocType; + + ++page.allocCount; +} +#endif // _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY_FUNCTIONS +#endif // _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY + +#ifndef _VMA_BLOCK_METADATA_GENERIC +class VmaBlockMetadata_Generic : public VmaBlockMetadata +{ + friend class VmaDefragmentationAlgorithm_Generic; + friend class VmaDefragmentationAlgorithm_Fast; + VMA_CLASS_NO_COPY(VmaBlockMetadata_Generic) +public: + VmaBlockMetadata_Generic(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Generic() = default; + + size_t GetAllocationCount() const override { return m_Suballocations.size() - m_FreeCount; } + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize; } + bool IsEmpty() const override { return (m_Suballocations.size() == 1) && (m_FreeCount == 1); } + void Free(VmaAllocHandle allocHandle) override { FreeSuballocation(FindAtOffset((VkDeviceSize)allocHandle - 1)); } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + + void CalcAllocationStatInfo(VmaStatInfo& outInfo) const override; + void AddPoolStats(VmaPoolStats& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; + + // For defragmentation + bool IsBufferImageGranularityConflictPossible( + VkDeviceSize bufferImageGranularity, + VmaSuballocationType& inOutPrevSuballocType) const; + +private: + uint32_t m_FreeCount; + VkDeviceSize m_SumFreeSize; + VmaSuballocationList m_Suballocations; + // Suballocations that are free. Sorted by size, ascending. + VmaVector> m_FreeSuballocationsBySize; + + VkDeviceSize AlignAllocationSize(VkDeviceSize size) const { return IsVirtual() ? size : VmaAlignUp(size, (VkDeviceSize)16); } + + VmaSuballocationList::iterator FindAtOffset(VkDeviceSize offset); + bool ValidateFreeSuballocationList() const; + + // Checks if requested suballocation with given parameters can be placed in given pFreeSuballocItem. + // If yes, fills pOffset and returns true. If no, returns false. + bool CheckAllocation( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaSuballocationList::const_iterator suballocItem, + VmaAllocHandle* pAllocHandle) const; + + // Given free suballocation, it merges it with following one, which must also be free. + void MergeFreeWithNext(VmaSuballocationList::iterator item); + // Releases given suballocation, making it free. + // Merges it with adjacent free suballocations if applicable. + // Returns iterator to new free suballocation at this place. + VmaSuballocationList::iterator FreeSuballocation(VmaSuballocationList::iterator suballocItem); + // Given free suballocation, it inserts it into sorted list of + // m_FreeSuballocationsBySize if it is suitable. + void RegisterFreeSuballocation(VmaSuballocationList::iterator item); + // Given free suballocation, it removes it from sorted list of + // m_FreeSuballocationsBySize if it is suitable. + void UnregisterFreeSuballocation(VmaSuballocationList::iterator item); +}; + +#ifndef _VMA_BLOCK_METADATA_GENERIC_FUNCTIONS +VmaBlockMetadata_Generic::VmaBlockMetadata_Generic(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_FreeCount(0), + m_SumFreeSize(0), + m_Suballocations(VmaStlAllocator(pAllocationCallbacks)), + m_FreeSuballocationsBySize(VmaStlAllocator(pAllocationCallbacks)) {} + +void VmaBlockMetadata_Generic::Init(VkDeviceSize size) +{ + VmaBlockMetadata::Init(size); + + m_FreeCount = 1; + m_SumFreeSize = size; + + VmaSuballocation suballoc = {}; + suballoc.offset = 0; + suballoc.size = size; + suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + + m_Suballocations.push_back(suballoc); + m_FreeSuballocationsBySize.push_back(m_Suballocations.begin()); +} + +bool VmaBlockMetadata_Generic::Validate() const +{ + VMA_VALIDATE(!m_Suballocations.empty()); + + // Expected offset of new suballocation as calculated from previous ones. + VkDeviceSize calculatedOffset = 0; + // Expected number of free suballocations as calculated from traversing their list. + uint32_t calculatedFreeCount = 0; + // Expected sum size of free suballocations as calculated from traversing their list. + VkDeviceSize calculatedSumFreeSize = 0; + // Expected number of free suballocations that should be registered in + // m_FreeSuballocationsBySize calculated from traversing their list. + size_t freeSuballocationsToRegister = 0; + // True if previous visited suballocation was free. + bool prevFree = false; + + const VkDeviceSize debugMargin = GetDebugMargin(); + + for (const auto& subAlloc : m_Suballocations) + { + // Actual offset of this suballocation doesn't match expected one. + VMA_VALIDATE(subAlloc.offset == calculatedOffset); + + const bool currFree = (subAlloc.type == VMA_SUBALLOCATION_TYPE_FREE); + // Two adjacent free suballocations are invalid. They should be merged. + VMA_VALIDATE(!prevFree || !currFree); + + VmaAllocation alloc = (VmaAllocation)subAlloc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } + + if (currFree) + { + calculatedSumFreeSize += subAlloc.size; + ++calculatedFreeCount; + ++freeSuballocationsToRegister; + + // Margin required between allocations - every free space must be at least that large. + VMA_VALIDATE(subAlloc.size >= debugMargin); + } + else + { + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == subAlloc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == subAlloc.size); + } + + // Margin required between allocations - previous allocation must be free. + VMA_VALIDATE(debugMargin == 0 || prevFree); + } + + calculatedOffset += subAlloc.size; + prevFree = currFree; + } + + // Number of free suballocations registered in m_FreeSuballocationsBySize doesn't + // match expected one. + VMA_VALIDATE(m_FreeSuballocationsBySize.size() == freeSuballocationsToRegister); + + VkDeviceSize lastSize = 0; + for (size_t i = 0; i < m_FreeSuballocationsBySize.size(); ++i) + { + VmaSuballocationList::iterator suballocItem = m_FreeSuballocationsBySize[i]; + + // Only free suballocations can be registered in m_FreeSuballocationsBySize. + VMA_VALIDATE(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE); + // They must be sorted by size ascending. + VMA_VALIDATE(suballocItem->size >= lastSize); + + lastSize = suballocItem->size; + } + + // Check if totals match calculated values. + VMA_VALIDATE(ValidateFreeSuballocationList()); + VMA_VALIDATE(calculatedOffset == GetSize()); + VMA_VALIDATE(calculatedSumFreeSize == m_SumFreeSize); + VMA_VALIDATE(calculatedFreeCount == m_FreeCount); + + return true; +} + +void VmaBlockMetadata_Generic::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +{ + const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); + VmaInitStatInfo(outInfo); + outInfo.blockCount = 1; + + for (const auto& suballoc : m_Suballocations) + { + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + VmaAddStatInfoAllocation(outInfo, suballoc.size); + } + else + { + VmaAddStatInfoUnusedRange(outInfo, suballoc.size); + } + } +} + +void VmaBlockMetadata_Generic::AddPoolStats(VmaPoolStats& inoutStats) const +{ + const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); + + inoutStats.size += GetSize(); + inoutStats.unusedSize += m_SumFreeSize; + inoutStats.allocationCount += rangeCount - m_FreeCount; + inoutStats.unusedRangeCount += m_FreeCount; +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_Generic::PrintDetailedMap(class VmaJsonWriter& json) const +{ + PrintDetailedMap_Begin(json, + m_SumFreeSize, // unusedBytes + m_Suballocations.size() - (size_t)m_FreeCount, // allocationCount + m_FreeCount); // unusedRangeCount + + for (const auto& suballoc : m_Suballocations) + { + if (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE) + { + PrintDetailedMap_UnusedRange(json, suballoc.offset, suballoc.size); + } + else + { + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + } + } + + PrintDetailedMap_End(json); +} +#endif // VMA_STATS_STRING_ENABLED + +bool VmaBlockMetadata_Generic::CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(allocSize > 0); + VMA_ASSERT(!upperAddress); + VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(pAllocationRequest != VMA_NULL); + VMA_HEAVY_ASSERT(Validate()); + + allocSize = AlignAllocationSize(allocSize); + + pAllocationRequest->type = VmaAllocationRequestType::Normal; + pAllocationRequest->size = allocSize; + + const VkDeviceSize debugMargin = GetDebugMargin(); + + // There is not enough total free space in this block to fulfill the request: Early return. + if (m_SumFreeSize < allocSize + debugMargin) + { + return false; + } + + // New algorithm, efficiently searching freeSuballocationsBySize. + const size_t freeSuballocCount = m_FreeSuballocationsBySize.size(); + if (freeSuballocCount > 0) + { + if (strategy == 0 || + strategy == VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT) + { + // Find first free suballocation with size not less than allocSize + debugMargin. + VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( + m_FreeSuballocationsBySize.data(), + m_FreeSuballocationsBySize.data() + freeSuballocCount, + allocSize + debugMargin, + VmaSuballocationItemSizeLess()); + size_t index = it - m_FreeSuballocationsBySize.data(); + for (; index < freeSuballocCount; ++index) + { + if (CheckAllocation( + allocSize, + allocAlignment, + allocType, + m_FreeSuballocationsBySize[index], + &pAllocationRequest->allocHandle)) + { + pAllocationRequest->item = m_FreeSuballocationsBySize[index]; + return true; + } + } + } + else if (strategy == VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET) + { + for (VmaSuballocationList::iterator it = m_Suballocations.begin(); + it != m_Suballocations.end(); + ++it) + { + if (it->type == VMA_SUBALLOCATION_TYPE_FREE && CheckAllocation( + allocSize, + allocAlignment, + allocType, + it, + &pAllocationRequest->allocHandle)) + { + pAllocationRequest->item = it; + return true; + } + } + } + else + { + VMA_ASSERT(strategy == VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT); + // Search staring from biggest suballocations. + for (size_t index = freeSuballocCount; index--; ) + { + if (CheckAllocation( + allocSize, + allocAlignment, + allocType, + m_FreeSuballocationsBySize[index], + &pAllocationRequest->allocHandle)) + { + pAllocationRequest->item = m_FreeSuballocationsBySize[index]; + return true; + } + } + } + } + + return false; +} + +VkResult VmaBlockMetadata_Generic::CheckCorruption(const void* pBlockData) +{ + for (auto& suballoc : m_Suballocations) + { + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN; + } + } + } + + return VK_SUCCESS; +} + +void VmaBlockMetadata_Generic::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); + VMA_ASSERT(request.item != m_Suballocations.end()); + VmaSuballocation& suballoc = *request.item; + // Given suballocation is a free block. + VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + + // Given offset is inside this suballocation. + VMA_ASSERT((VkDeviceSize)request.allocHandle - 1 >= suballoc.offset); + const VkDeviceSize paddingBegin = (VkDeviceSize)request.allocHandle - suballoc.offset - 1; + VMA_ASSERT(suballoc.size >= paddingBegin + request.size); + const VkDeviceSize paddingEnd = suballoc.size - paddingBegin - request.size; + + // Unregister this free suballocation from m_FreeSuballocationsBySize and update + // it to become used. + UnregisterFreeSuballocation(request.item); + + suballoc.offset = (VkDeviceSize)request.allocHandle - 1; + suballoc.size = request.size; + suballoc.type = type; + suballoc.userData = userData; + + // If there are any free bytes remaining at the end, insert new free suballocation after current one. + if (paddingEnd) + { + VmaSuballocation paddingSuballoc = {}; + paddingSuballoc.offset = suballoc.offset + suballoc.size; + paddingSuballoc.size = paddingEnd; + paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + VmaSuballocationList::iterator next = request.item; + ++next; + const VmaSuballocationList::iterator paddingEndItem = + m_Suballocations.insert(next, paddingSuballoc); + RegisterFreeSuballocation(paddingEndItem); + } + + // If there are any free bytes remaining at the beginning, insert new free suballocation before current one. + if (paddingBegin) + { + VmaSuballocation paddingSuballoc = {}; + paddingSuballoc.offset = suballoc.offset - paddingBegin; + paddingSuballoc.size = paddingBegin; + paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + const VmaSuballocationList::iterator paddingBeginItem = + m_Suballocations.insert(request.item, paddingSuballoc); + RegisterFreeSuballocation(paddingBeginItem); + } + + // Update totals. + m_FreeCount = m_FreeCount - 1; + if (paddingBegin > 0) + { + ++m_FreeCount; + } + if (paddingEnd > 0) + { + ++m_FreeCount; + } + m_SumFreeSize -= request.size; +} + +void VmaBlockMetadata_Generic::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + outInfo.offset = (VkDeviceSize)allocHandle - 1; + const VmaSuballocation& suballoc = *FindAtOffset(outInfo.offset); + outInfo.size = suballoc.size; + outInfo.pUserData = suballoc.userData; +} + +void VmaBlockMetadata_Generic::Clear() +{ + const VkDeviceSize size = GetSize(); + + VMA_ASSERT(IsVirtual()); + m_FreeCount = 1; + m_SumFreeSize = size; + m_Suballocations.clear(); + m_FreeSuballocationsBySize.clear(); + + VmaSuballocation suballoc = {}; + suballoc.offset = 0; + suballoc.size = size; + suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + m_Suballocations.push_back(suballoc); + + m_FreeSuballocationsBySize.push_back(m_Suballocations.begin()); +} + +void VmaBlockMetadata_Generic::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + VmaSuballocation& suballoc = *FindAtOffset((VkDeviceSize)allocHandle - 1); + suballoc.userData = userData; +} + +void VmaBlockMetadata_Generic::DebugLogAllAllocations() const +{ + for (const auto& suballoc : m_Suballocations) + { + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(suballoc.offset, suballoc.size, suballoc.userData); + } +} + +VmaSuballocationList::iterator VmaBlockMetadata_Generic::FindAtOffset(VkDeviceSize offset) +{ + VMA_HEAVY_ASSERT(!m_Suballocations.empty()); + const VkDeviceSize last = m_Suballocations.rbegin()->offset; + if (last == offset) + return m_Suballocations.rbegin(); + const VkDeviceSize first = m_Suballocations.begin()->offset; + if (first == offset) + return m_Suballocations.begin(); + + const size_t suballocCount = m_Suballocations.size(); + const VkDeviceSize step = (last - first + m_Suballocations.begin()->size) / suballocCount; + auto findSuballocation = [&](auto begin, auto end) -> VmaSuballocationList::iterator + { + for (auto suballocItem = begin; + suballocItem != end; + ++suballocItem) + { + VmaSuballocation& suballoc = *suballocItem; + if (suballoc.offset == offset) + return suballocItem; + } + VMA_ASSERT(false && "Not found!"); + return m_Suballocations.end(); + }; + // If requested offset is closer to the end of range, search from the end + if (offset - first > suballocCount * step / 2) + { + return findSuballocation(m_Suballocations.rbegin(), m_Suballocations.rend()); + } + return findSuballocation(m_Suballocations.begin(), m_Suballocations.end()); +} + +bool VmaBlockMetadata_Generic::ValidateFreeSuballocationList() const +{ + VkDeviceSize lastSize = 0; + for (size_t i = 0, count = m_FreeSuballocationsBySize.size(); i < count; ++i) + { + const VmaSuballocationList::iterator it = m_FreeSuballocationsBySize[i]; + + VMA_VALIDATE(it->type == VMA_SUBALLOCATION_TYPE_FREE); + VMA_VALIDATE(it->size >= lastSize); + lastSize = it->size; + } + return true; +} + +bool VmaBlockMetadata_Generic::CheckAllocation( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaSuballocationList::const_iterator suballocItem, + VmaAllocHandle* pAllocHandle) const +{ + VMA_ASSERT(allocSize > 0); + VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(suballocItem != m_Suballocations.cend()); + VMA_ASSERT(pAllocHandle != VMA_NULL); + + const VkDeviceSize debugMargin = GetDebugMargin(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); + + const VmaSuballocation& suballoc = *suballocItem; + VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + + // Size of this suballocation is too small for this request: Early return. + if (suballoc.size < allocSize) + { + return false; + } + + // Start from offset equal to beginning of this suballocation. + VkDeviceSize offset = suballoc.offset + (suballocItem == m_Suballocations.cbegin() ? 0 : GetDebugMargin()); + + // Apply debugMargin from the end of previous alloc. + if (debugMargin > 0) + { + offset += debugMargin; + } + + // Apply alignment. + offset = VmaAlignUp(offset, allocAlignment); + + // Check previous suballocations for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment) + { + bool bufferImageGranularityConflict = false; + VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; + while (prevSuballocItem != m_Suballocations.cbegin()) + { + --prevSuballocItem; + const VmaSuballocation& prevSuballoc = *prevSuballocItem; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, offset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) + { + bufferImageGranularityConflict = true; + break; + } + } + else + // Already on previous page. + break; + } + if (bufferImageGranularityConflict) + { + offset = VmaAlignUp(offset, bufferImageGranularity); + } + } + + // Calculate padding at the beginning based on current offset. + const VkDeviceSize paddingBegin = offset - suballoc.offset; + + // Fail if requested size plus margin after is bigger than size of this suballocation. + if (paddingBegin + allocSize + debugMargin > suballoc.size) + { + return false; + } + + // Check next suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if (allocSize % bufferImageGranularity || offset % bufferImageGranularity) + { + VmaSuballocationList::const_iterator nextSuballocItem = suballocItem; + ++nextSuballocItem; + while (nextSuballocItem != m_Suballocations.cend()) + { + const VmaSuballocation& nextSuballoc = *nextSuballocItem; + if (VmaBlocksOnSamePage(offset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) + { + return false; + } + } + else + { + // Already on next page. + break; + } + ++nextSuballocItem; + } + } + + *pAllocHandle = (VmaAllocHandle)(offset + 1); + // All tests passed: Success. pAllocHandle is already filled. + return true; +} + +void VmaBlockMetadata_Generic::MergeFreeWithNext(VmaSuballocationList::iterator item) +{ + VMA_ASSERT(item != m_Suballocations.end()); + VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); + + VmaSuballocationList::iterator nextItem = item; + ++nextItem; + VMA_ASSERT(nextItem != m_Suballocations.end()); + VMA_ASSERT(nextItem->type == VMA_SUBALLOCATION_TYPE_FREE); + + item->size += nextItem->size; + --m_FreeCount; + m_Suballocations.erase(nextItem); +} + +VmaSuballocationList::iterator VmaBlockMetadata_Generic::FreeSuballocation(VmaSuballocationList::iterator suballocItem) +{ + // Change this suballocation to be marked as free. + VmaSuballocation& suballoc = *suballocItem; + suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + suballoc.userData = VMA_NULL; + + // Update totals. + ++m_FreeCount; + m_SumFreeSize += suballoc.size; + + // Merge with previous and/or next suballocation if it's also free. + bool mergeWithNext = false; + bool mergeWithPrev = false; + + VmaSuballocationList::iterator nextItem = suballocItem; + ++nextItem; + if ((nextItem != m_Suballocations.end()) && (nextItem->type == VMA_SUBALLOCATION_TYPE_FREE)) + { + mergeWithNext = true; + } + + VmaSuballocationList::iterator prevItem = suballocItem; + if (suballocItem != m_Suballocations.begin()) + { + --prevItem; + if (prevItem->type == VMA_SUBALLOCATION_TYPE_FREE) + { + mergeWithPrev = true; + } + } + + if (mergeWithNext) + { + UnregisterFreeSuballocation(nextItem); + MergeFreeWithNext(suballocItem); + } + + if (mergeWithPrev) + { + UnregisterFreeSuballocation(prevItem); + MergeFreeWithNext(prevItem); + RegisterFreeSuballocation(prevItem); + return prevItem; + } + else + { + RegisterFreeSuballocation(suballocItem); + return suballocItem; + } +} + +void VmaBlockMetadata_Generic::RegisterFreeSuballocation(VmaSuballocationList::iterator item) +{ + VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(item->size > 0); + + // You may want to enable this validation at the beginning or at the end of + // this function, depending on what do you want to check. + VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); + + if (m_FreeSuballocationsBySize.empty()) + { + m_FreeSuballocationsBySize.push_back(item); + } + else + { + VmaVectorInsertSorted(m_FreeSuballocationsBySize, item); + } + + //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); +} + +void VmaBlockMetadata_Generic::UnregisterFreeSuballocation(VmaSuballocationList::iterator item) +{ + VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(item->size > 0); + + // You may want to enable this validation at the beginning or at the end of + // this function, depending on what do you want to check. + VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); + + VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( + m_FreeSuballocationsBySize.data(), + m_FreeSuballocationsBySize.data() + m_FreeSuballocationsBySize.size(), + item, + VmaSuballocationItemSizeLess()); + for (size_t index = it - m_FreeSuballocationsBySize.data(); + index < m_FreeSuballocationsBySize.size(); + ++index) + { + if (m_FreeSuballocationsBySize[index] == item) + { + VmaVectorRemove(m_FreeSuballocationsBySize, index); + return; + } + VMA_ASSERT((m_FreeSuballocationsBySize[index]->size == item->size) && "Not found."); + } + VMA_ASSERT(0 && "Not found."); + + //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); +} + +bool VmaBlockMetadata_Generic::IsBufferImageGranularityConflictPossible( + VkDeviceSize bufferImageGranularity, + VmaSuballocationType& inOutPrevSuballocType) const +{ + if (bufferImageGranularity == 1 || IsEmpty() || IsVirtual()) + { + return false; + } + + VkDeviceSize minAlignment = VK_WHOLE_SIZE; + bool typeConflictFound = false; + for (const auto& suballoc : m_Suballocations) + { + const VmaSuballocationType suballocType = suballoc.type; + if (suballocType != VMA_SUBALLOCATION_TYPE_FREE) + { + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + minAlignment = VMA_MIN(minAlignment, alloc->GetAlignment()); + if (VmaIsBufferImageGranularityConflict(inOutPrevSuballocType, suballocType)) + { + typeConflictFound = true; + } + inOutPrevSuballocType = suballocType; + } + } + + return typeConflictFound || minAlignment >= bufferImageGranularity; +} +#endif // _VMA_BLOCK_METADATA_GENERIC_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_GENERIC + +#ifndef _VMA_BLOCK_METADATA_LINEAR +/* +Allocations and their references in internal data structure look like this: + +if(m_2ndVectorMode == SECOND_VECTOR_EMPTY): + + 0 +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | + | | + | | +GetSize() +-------+ + +if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER): + + 0 +-------+ + | Alloc | 2nd[0] + +-------+ + | Alloc | 2nd[1] + +-------+ + | ... | + +-------+ + | Alloc | 2nd[2nd.size() - 1] + +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | +GetSize() +-------+ + +if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK): + + 0 +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | + | | + | | + +-------+ + | Alloc | 2nd[2nd.size() - 1] + +-------+ + | ... | + +-------+ + | Alloc | 2nd[1] + +-------+ + | Alloc | 2nd[0] +GetSize() +-------+ + +*/ +class VmaBlockMetadata_Linear : public VmaBlockMetadata +{ + VMA_CLASS_NO_COPY(VmaBlockMetadata_Linear) +public: + VmaBlockMetadata_Linear(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Linear() = default; + + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize; } + bool IsEmpty() const override { return GetAllocationCount() == 0; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + size_t GetAllocationCount() const override; + + void CalcAllocationStatInfo(VmaStatInfo& outInfo) const override; + void AddPoolStats(VmaPoolStats& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; + +private: + /* + There are two suballocation vectors, used in ping-pong way. + The one with index m_1stVectorIndex is called 1st. + The one with index (m_1stVectorIndex ^ 1) is called 2nd. + 2nd can be non-empty only when 1st is not empty. + When 2nd is not empty, m_2ndVectorMode indicates its mode of operation. + */ + typedef VmaVector> SuballocationVectorType; + + enum SECOND_VECTOR_MODE + { + SECOND_VECTOR_EMPTY, + /* + Suballocations in 2nd vector are created later than the ones in 1st, but they + all have smaller offset. + */ + SECOND_VECTOR_RING_BUFFER, + /* + Suballocations in 2nd vector are upper side of double stack. + They all have offsets higher than those in 1st vector. + Top of this stack means smaller offsets, but higher indices in this vector. + */ + SECOND_VECTOR_DOUBLE_STACK, + }; + + VkDeviceSize m_SumFreeSize; + SuballocationVectorType m_Suballocations0, m_Suballocations1; + uint32_t m_1stVectorIndex; + SECOND_VECTOR_MODE m_2ndVectorMode; + // Number of items in 1st vector with hAllocation = null at the beginning. + size_t m_1stNullItemsBeginCount; + // Number of other items in 1st vector with hAllocation = null somewhere in the middle. + size_t m_1stNullItemsMiddleCount; + // Number of items in 2nd vector with hAllocation = null. + size_t m_2ndNullItemsCount; + + SuballocationVectorType& AccessSuballocations1st() { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } + SuballocationVectorType& AccessSuballocations2nd() { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } + const SuballocationVectorType& AccessSuballocations1st() const { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } + const SuballocationVectorType& AccessSuballocations2nd() const { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } + + VmaSuballocation& FindSuballocation(VkDeviceSize offset); + bool ShouldCompact1st() const; + void CleanupAfterFree(); + + bool CreateAllocationRequest_LowerAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest); + bool CreateAllocationRequest_UpperAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest); +}; + +#ifndef _VMA_BLOCK_METADATA_LINEAR_FUNCTIONS +VmaBlockMetadata_Linear::VmaBlockMetadata_Linear(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_SumFreeSize(0), + m_Suballocations0(VmaStlAllocator(pAllocationCallbacks)), + m_Suballocations1(VmaStlAllocator(pAllocationCallbacks)), + m_1stVectorIndex(0), + m_2ndVectorMode(SECOND_VECTOR_EMPTY), + m_1stNullItemsBeginCount(0), + m_1stNullItemsMiddleCount(0), + m_2ndNullItemsCount(0) {} + +void VmaBlockMetadata_Linear::Init(VkDeviceSize size) +{ + VmaBlockMetadata::Init(size); + m_SumFreeSize = size; +} + +bool VmaBlockMetadata_Linear::Validate() const +{ + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + VMA_VALIDATE(suballocations2nd.empty() == (m_2ndVectorMode == SECOND_VECTOR_EMPTY)); + VMA_VALIDATE(!suballocations1st.empty() || + suballocations2nd.empty() || + m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER); + + if (!suballocations1st.empty()) + { + // Null item at the beginning should be accounted into m_1stNullItemsBeginCount. + VMA_VALIDATE(suballocations1st[m_1stNullItemsBeginCount].type != VMA_SUBALLOCATION_TYPE_FREE); + // Null item at the end should be just pop_back(). + VMA_VALIDATE(suballocations1st.back().type != VMA_SUBALLOCATION_TYPE_FREE); + } + if (!suballocations2nd.empty()) + { + // Null item at the end should be just pop_back(). + VMA_VALIDATE(suballocations2nd.back().type != VMA_SUBALLOCATION_TYPE_FREE); + } + + VMA_VALIDATE(m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount <= suballocations1st.size()); + VMA_VALIDATE(m_2ndNullItemsCount <= suballocations2nd.size()); + + VkDeviceSize sumUsedSize = 0; + const size_t suballoc1stCount = suballocations1st.size(); + const VkDeviceSize debugMargin = GetDebugMargin(); + VkDeviceSize offset = 0; + + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + const size_t suballoc2ndCount = suballocations2nd.size(); + size_t nullItem2ndCount = 0; + for (size_t i = 0; i < suballoc2ndCount; ++i) + { + const VmaSuballocation& suballoc = suballocations2nd[i]; + const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } + VMA_VALIDATE(suballoc.offset >= offset); + + if (!currFree) + { + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } + sumUsedSize += suballoc.size; + } + else + { + ++nullItem2ndCount; + } + + offset = suballoc.offset + suballoc.size + debugMargin; + } + + VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); + } + + for (size_t i = 0; i < m_1stNullItemsBeginCount; ++i) + { + const VmaSuballocation& suballoc = suballocations1st[i]; + VMA_VALIDATE(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE && + suballoc.userData == VMA_NULL); + } + + size_t nullItem1stCount = m_1stNullItemsBeginCount; + + for (size_t i = m_1stNullItemsBeginCount; i < suballoc1stCount; ++i) + { + const VmaSuballocation& suballoc = suballocations1st[i]; + const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } + VMA_VALIDATE(suballoc.offset >= offset); + VMA_VALIDATE(i >= m_1stNullItemsBeginCount || currFree); + + if (!currFree) + { + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } + sumUsedSize += suballoc.size; + } + else + { + ++nullItem1stCount; + } + + offset = suballoc.offset + suballoc.size + debugMargin; + } + VMA_VALIDATE(nullItem1stCount == m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount); + + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + const size_t suballoc2ndCount = suballocations2nd.size(); + size_t nullItem2ndCount = 0; + for (size_t i = suballoc2ndCount; i--; ) + { + const VmaSuballocation& suballoc = suballocations2nd[i]; + const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } + VMA_VALIDATE(suballoc.offset >= offset); + + if (!currFree) + { + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } + sumUsedSize += suballoc.size; + } + else + { + ++nullItem2ndCount; + } + + offset = suballoc.offset + suballoc.size + debugMargin; + } + + VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); + } + + VMA_VALIDATE(offset <= GetSize()); + VMA_VALIDATE(m_SumFreeSize == GetSize() - sumUsedSize); + + return true; +} + +size_t VmaBlockMetadata_Linear::GetAllocationCount() const +{ + return AccessSuballocations1st().size() - m_1stNullItemsBeginCount - m_1stNullItemsMiddleCount + + AccessSuballocations2nd().size() - m_2ndNullItemsCount; +} + +void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +{ + const VkDeviceSize size = GetSize(); + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + const size_t suballoc1stCount = suballocations1st.size(); + const size_t suballoc2ndCount = suballocations2nd.size(); + + VmaInitStatInfo(outInfo); + outInfo.blockCount = 1; + + VkDeviceSize lastOffset = 0; + + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; + size_t nextAlloc2ndIndex = 0; + while (lastOffset < freeSpace2ndTo1stEnd) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + ++nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex < suballoc2ndCount) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + VmaAddStatInfoAllocation(outInfo, suballoc.size); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc2ndIndex; + } + // We are at the end. + else + { + // There is free space from lastOffset to freeSpace2ndTo1stEnd. + if (lastOffset < freeSpace2ndTo1stEnd) + { + const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // End of loop. + lastOffset = freeSpace2ndTo1stEnd; + } + } + } + + size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; + const VkDeviceSize freeSpace1stTo2ndEnd = + m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; + while (lastOffset < freeSpace1stTo2ndEnd) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) + { + ++nextAlloc1stIndex; + } + + // Found non-null allocation. + if (nextAlloc1stIndex < suballoc1stCount) + { + const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + VmaAddStatInfoAllocation(outInfo, suballoc.size); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc1stIndex; + } + // We are at the end. + else + { + // There is free space from lastOffset to freeSpace1stTo2ndEnd. + if (lastOffset < freeSpace1stTo2ndEnd) + { + const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // End of loop. + lastOffset = freeSpace1stTo2ndEnd; + } + } + + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; + while (lastOffset < size) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + --nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex != SIZE_MAX) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + VmaAddStatInfoAllocation(outInfo, suballoc.size); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + --nextAlloc2ndIndex; + } + // We are at the end. + else + { + // There is free space from lastOffset to size. + if (lastOffset < size) + { + const VkDeviceSize unusedRangeSize = size - lastOffset; + VmaAddStatInfoUnusedRange(outInfo, unusedRangeSize); + } + + // End of loop. + lastOffset = size; + } + } + } + + outInfo.unusedBytes = size - outInfo.usedBytes; +} + +void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const +{ + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + const VkDeviceSize size = GetSize(); + const size_t suballoc1stCount = suballocations1st.size(); + const size_t suballoc2ndCount = suballocations2nd.size(); + + inoutStats.size += size; + + VkDeviceSize lastOffset = 0; + + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; + size_t nextAlloc2ndIndex = m_1stNullItemsBeginCount; + while (lastOffset < freeSpace2ndTo1stEnd) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + ++nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex < suballoc2ndCount) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++inoutStats.allocationCount; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < freeSpace2ndTo1stEnd) + { + // There is free space from lastOffset to freeSpace2ndTo1stEnd. + const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // End of loop. + lastOffset = freeSpace2ndTo1stEnd; + } + } + } + + size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; + const VkDeviceSize freeSpace1stTo2ndEnd = + m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; + while (lastOffset < freeSpace1stTo2ndEnd) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) + { + ++nextAlloc1stIndex; + } + + // Found non-null allocation. + if (nextAlloc1stIndex < suballoc1stCount) + { + const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++inoutStats.allocationCount; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc1stIndex; + } + // We are at the end. + else + { + if (lastOffset < freeSpace1stTo2ndEnd) + { + // There is free space from lastOffset to freeSpace1stTo2ndEnd. + const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // End of loop. + lastOffset = freeSpace1stTo2ndEnd; + } + } + + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; + while (lastOffset < size) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + --nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex != SIZE_MAX) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++inoutStats.allocationCount; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + --nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < size) + { + // There is free space from lastOffset to size. + const VkDeviceSize unusedRangeSize = size - lastOffset; + inoutStats.unusedSize += unusedRangeSize; + ++inoutStats.unusedRangeCount; + } + + // End of loop. + lastOffset = size; + } + } + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const +{ + const VkDeviceSize size = GetSize(); + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + const size_t suballoc1stCount = suballocations1st.size(); + const size_t suballoc2ndCount = suballocations2nd.size(); + + // FIRST PASS + + size_t unusedRangeCount = 0; + VkDeviceSize usedBytes = 0; + + VkDeviceSize lastOffset = 0; + + size_t alloc2ndCount = 0; + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; + size_t nextAlloc2ndIndex = 0; + while (lastOffset < freeSpace2ndTo1stEnd) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + ++nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex < suballoc2ndCount) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + ++unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++alloc2ndCount; + usedBytes += suballoc.size; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < freeSpace2ndTo1stEnd) + { + // There is free space from lastOffset to freeSpace2ndTo1stEnd. + ++unusedRangeCount; + } + + // End of loop. + lastOffset = freeSpace2ndTo1stEnd; + } + } + } + + size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; + size_t alloc1stCount = 0; + const VkDeviceSize freeSpace1stTo2ndEnd = + m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; + while (lastOffset < freeSpace1stTo2ndEnd) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) + { + ++nextAlloc1stIndex; + } + + // Found non-null allocation. + if (nextAlloc1stIndex < suballoc1stCount) + { + const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + ++unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++alloc1stCount; + usedBytes += suballoc.size; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc1stIndex; + } + // We are at the end. + else + { + if (lastOffset < size) + { + // There is free space from lastOffset to freeSpace1stTo2ndEnd. + ++unusedRangeCount; + } + + // End of loop. + lastOffset = freeSpace1stTo2ndEnd; + } + } + + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; + while (lastOffset < size) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + --nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex != SIZE_MAX) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + ++unusedRangeCount; + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + ++alloc2ndCount; + usedBytes += suballoc.size; + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + --nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < size) + { + // There is free space from lastOffset to size. + ++unusedRangeCount; + } + + // End of loop. + lastOffset = size; + } + } + } + + const VkDeviceSize unusedBytes = size - usedBytes; + PrintDetailedMap_Begin(json, unusedBytes, alloc1stCount + alloc2ndCount, unusedRangeCount); + + // SECOND PASS + lastOffset = 0; + + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; + size_t nextAlloc2ndIndex = 0; + while (lastOffset < freeSpace2ndTo1stEnd) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + ++nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex < suballoc2ndCount) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < freeSpace2ndTo1stEnd) + { + // There is free space from lastOffset to freeSpace2ndTo1stEnd. + const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // End of loop. + lastOffset = freeSpace2ndTo1stEnd; + } + } + } + + nextAlloc1stIndex = m_1stNullItemsBeginCount; + while (lastOffset < freeSpace1stTo2ndEnd) + { + // Find next non-null allocation or move nextAllocIndex to the end. + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) + { + ++nextAlloc1stIndex; + } + + // Found non-null allocation. + if (nextAlloc1stIndex < suballoc1stCount) + { + const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + ++nextAlloc1stIndex; + } + // We are at the end. + else + { + if (lastOffset < freeSpace1stTo2ndEnd) + { + // There is free space from lastOffset to freeSpace1stTo2ndEnd. + const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // End of loop. + lastOffset = freeSpace1stTo2ndEnd; + } + } + + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; + while (lastOffset < size) + { + // Find next non-null allocation or move nextAlloc2ndIndex to the end. + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) + { + --nextAlloc2ndIndex; + } + + // Found non-null allocation. + if (nextAlloc2ndIndex != SIZE_MAX) + { + const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; + + // 1. Process free space before this allocation. + if (lastOffset < suballoc.offset) + { + // There is free space from lastOffset to suballoc.offset. + const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // 2. Process this allocation. + // There is allocation with suballoc.offset, suballoc.size. + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + + // 3. Prepare for next iteration. + lastOffset = suballoc.offset + suballoc.size; + --nextAlloc2ndIndex; + } + // We are at the end. + else + { + if (lastOffset < size) + { + // There is free space from lastOffset to size. + const VkDeviceSize unusedRangeSize = size - lastOffset; + PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); + } + + // End of loop. + lastOffset = size; + } + } + } + + PrintDetailedMap_End(json); +} +#endif // VMA_STATS_STRING_ENABLED + +bool VmaBlockMetadata_Linear::CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(allocSize > 0); + VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(pAllocationRequest != VMA_NULL); + VMA_HEAVY_ASSERT(Validate()); + pAllocationRequest->size = allocSize; + return upperAddress ? + CreateAllocationRequest_UpperAddress( + allocSize, allocAlignment, allocType, strategy, pAllocationRequest) : + CreateAllocationRequest_LowerAddress( + allocSize, allocAlignment, allocType, strategy, pAllocationRequest); +} + +VkResult VmaBlockMetadata_Linear::CheckCorruption(const void* pBlockData) +{ + VMA_ASSERT(!IsVirtual()); + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + for (size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) + { + const VmaSuballocation& suballoc = suballocations1st[i]; + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN; + } + } + } + + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + for (size_t i = 0, count = suballocations2nd.size(); i < count; ++i) + { + const VmaSuballocation& suballoc = suballocations2nd[i]; + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN; + } + } + } + + return VK_SUCCESS; +} + +void VmaBlockMetadata_Linear::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + const VkDeviceSize offset = (VkDeviceSize)request.allocHandle - 1; + const VmaSuballocation newSuballoc = { offset, request.size, userData, type }; + + switch (request.type) + { + case VmaAllocationRequestType::UpperAddress: + { + VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER && + "CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer."); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + suballocations2nd.push_back(newSuballoc); + m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK; + } + break; + case VmaAllocationRequestType::EndOf1st: + { + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + + VMA_ASSERT(suballocations1st.empty() || + offset >= suballocations1st.back().offset + suballocations1st.back().size); + // Check if it fits before the end of the block. + VMA_ASSERT(offset + request.size <= GetSize()); + + suballocations1st.push_back(newSuballoc); + } + break; + case VmaAllocationRequestType::EndOf2nd: + { + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + // New allocation at the end of 2-part ring buffer, so before first allocation from 1st vector. + VMA_ASSERT(!suballocations1st.empty() && + offset + request.size <= suballocations1st[m_1stNullItemsBeginCount].offset); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + switch (m_2ndVectorMode) + { + case SECOND_VECTOR_EMPTY: + // First allocation from second part ring buffer. + VMA_ASSERT(suballocations2nd.empty()); + m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER; + break; + case SECOND_VECTOR_RING_BUFFER: + // 2-part ring buffer is already started. + VMA_ASSERT(!suballocations2nd.empty()); + break; + case SECOND_VECTOR_DOUBLE_STACK: + VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack."); + break; + default: + VMA_ASSERT(0); + } + + suballocations2nd.push_back(newSuballoc); + } + break; + default: + VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR."); + } + + m_SumFreeSize -= newSuballoc.size; +} + +void VmaBlockMetadata_Linear::Free(VmaAllocHandle allocHandle) +{ + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + VkDeviceSize offset = (VkDeviceSize)allocHandle - 1; + + if (!suballocations1st.empty()) + { + // First allocation: Mark it as next empty at the beginning. + VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; + if (firstSuballoc.offset == offset) + { + firstSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + firstSuballoc.userData = VMA_NULL; + m_SumFreeSize += firstSuballoc.size; + ++m_1stNullItemsBeginCount; + CleanupAfterFree(); + return; + } + } + + // Last allocation in 2-part ring buffer or top of upper stack (same logic). + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER || + m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + VmaSuballocation& lastSuballoc = suballocations2nd.back(); + if (lastSuballoc.offset == offset) + { + m_SumFreeSize += lastSuballoc.size; + suballocations2nd.pop_back(); + CleanupAfterFree(); + return; + } + } + // Last allocation in 1st vector. + else if (m_2ndVectorMode == SECOND_VECTOR_EMPTY) + { + VmaSuballocation& lastSuballoc = suballocations1st.back(); + if (lastSuballoc.offset == offset) + { + m_SumFreeSize += lastSuballoc.size; + suballocations1st.pop_back(); + CleanupAfterFree(); + return; + } + } + + VmaSuballocation refSuballoc; + refSuballoc.offset = offset; + // Rest of members stays uninitialized intentionally for better performance. + + // Item from the middle of 1st vector. + { + const SuballocationVectorType::iterator it = VmaBinaryFindSorted( + suballocations1st.begin() + m_1stNullItemsBeginCount, + suballocations1st.end(), + refSuballoc, + VmaSuballocationOffsetLess()); + if (it != suballocations1st.end()) + { + it->type = VMA_SUBALLOCATION_TYPE_FREE; + it->userData = VMA_NULL; + ++m_1stNullItemsMiddleCount; + m_SumFreeSize += it->size; + CleanupAfterFree(); + return; + } + } + + if (m_2ndVectorMode != SECOND_VECTOR_EMPTY) + { + // Item from the middle of 2nd vector. + const SuballocationVectorType::iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); + if (it != suballocations2nd.end()) + { + it->type = VMA_SUBALLOCATION_TYPE_FREE; + it->userData = VMA_NULL; + ++m_2ndNullItemsCount; + m_SumFreeSize += it->size; + CleanupAfterFree(); + return; + } + } + + VMA_ASSERT(0 && "Allocation to free not found in linear allocator!"); +} + +void VmaBlockMetadata_Linear::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + outInfo.offset = (VkDeviceSize)allocHandle - 1; + VmaSuballocation& suballoc = FindSuballocation(outInfo.offset); + outInfo.size = suballoc.size; + outInfo.pUserData = suballoc.userData; +} + +void VmaBlockMetadata_Linear::Clear() +{ + m_SumFreeSize = GetSize(); + m_Suballocations0.clear(); + m_Suballocations1.clear(); + // Leaving m_1stVectorIndex unchanged - it doesn't matter. + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; + m_2ndNullItemsCount = 0; +} + +void VmaBlockMetadata_Linear::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + VmaSuballocation& suballoc = FindSuballocation((VkDeviceSize)allocHandle - 1); + suballoc.userData = userData; +} + +void VmaBlockMetadata_Linear::DebugLogAllAllocations() const +{ + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + for (auto it = suballocations1st.begin() + m_1stNullItemsBeginCount; it != suballocations1st.end(); ++it) + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(it->offset, it->size, it->userData); + + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + for (auto it = suballocations2nd.begin(); it != suballocations2nd.end(); ++it) + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(it->offset, it->size, it->userData); +} + +VmaSuballocation& VmaBlockMetadata_Linear::FindSuballocation(VkDeviceSize offset) +{ + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + VmaSuballocation refSuballoc; + refSuballoc.offset = offset; + // Rest of members stays uninitialized intentionally for better performance. + + // Item from the 1st vector. + { + const SuballocationVectorType::iterator it = VmaBinaryFindSorted( + suballocations1st.begin() + m_1stNullItemsBeginCount, + suballocations1st.end(), + refSuballoc, + VmaSuballocationOffsetLess()); + if (it != suballocations1st.end()) + { + return *it; + } + } + + if (m_2ndVectorMode != SECOND_VECTOR_EMPTY) + { + // Rest of members stays uninitialized intentionally for better performance. + const SuballocationVectorType::iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); + if (it != suballocations2nd.end()) + { + return *it; + } + } + + VMA_ASSERT(0 && "Allocation not found in linear allocator!"); + return suballocations1st.back(); // Should never occur. +} + +bool VmaBlockMetadata_Linear::ShouldCompact1st() const +{ + const size_t nullItemCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; + const size_t suballocCount = AccessSuballocations1st().size(); + return suballocCount > 32 && nullItemCount * 2 >= (suballocCount - nullItemCount) * 3; +} + +void VmaBlockMetadata_Linear::CleanupAfterFree() +{ + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + if (IsEmpty()) + { + suballocations1st.clear(); + suballocations2nd.clear(); + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; + m_2ndNullItemsCount = 0; + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + } + else + { + const size_t suballoc1stCount = suballocations1st.size(); + const size_t nullItem1stCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; + VMA_ASSERT(nullItem1stCount <= suballoc1stCount); + + // Find more null items at the beginning of 1st vector. + while (m_1stNullItemsBeginCount < suballoc1stCount && + suballocations1st[m_1stNullItemsBeginCount].type == VMA_SUBALLOCATION_TYPE_FREE) + { + ++m_1stNullItemsBeginCount; + --m_1stNullItemsMiddleCount; + } + + // Find more null items at the end of 1st vector. + while (m_1stNullItemsMiddleCount > 0 && + suballocations1st.back().type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_1stNullItemsMiddleCount; + suballocations1st.pop_back(); + } + + // Find more null items at the end of 2nd vector. + while (m_2ndNullItemsCount > 0 && + suballocations2nd.back().type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_2ndNullItemsCount; + suballocations2nd.pop_back(); + } + + // Find more null items at the beginning of 2nd vector. + while (m_2ndNullItemsCount > 0 && + suballocations2nd[0].type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_2ndNullItemsCount; + VmaVectorRemove(suballocations2nd, 0); + } + + if (ShouldCompact1st()) + { + const size_t nonNullItemCount = suballoc1stCount - nullItem1stCount; + size_t srcIndex = m_1stNullItemsBeginCount; + for (size_t dstIndex = 0; dstIndex < nonNullItemCount; ++dstIndex) + { + while (suballocations1st[srcIndex].type == VMA_SUBALLOCATION_TYPE_FREE) + { + ++srcIndex; + } + if (dstIndex != srcIndex) + { + suballocations1st[dstIndex] = suballocations1st[srcIndex]; + } + ++srcIndex; + } + suballocations1st.resize(nonNullItemCount); + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; + } + + // 2nd vector became empty. + if (suballocations2nd.empty()) + { + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + } + + // 1st vector became empty. + if (suballocations1st.size() - m_1stNullItemsBeginCount == 0) + { + suballocations1st.clear(); + m_1stNullItemsBeginCount = 0; + + if (!suballocations2nd.empty() && m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + // Swap 1st with 2nd. Now 2nd is empty. + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + m_1stNullItemsMiddleCount = m_2ndNullItemsCount; + while (m_1stNullItemsBeginCount < suballocations2nd.size() && + suballocations2nd[m_1stNullItemsBeginCount].type == VMA_SUBALLOCATION_TYPE_FREE) + { + ++m_1stNullItemsBeginCount; + --m_1stNullItemsMiddleCount; + } + m_2ndNullItemsCount = 0; + m_1stVectorIndex ^= 1; + } + } + } + + VMA_HEAVY_ASSERT(Validate()); +} + +bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + const VkDeviceSize blockSize = GetSize(); + const VkDeviceSize debugMargin = GetDebugMargin(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + if (m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + // Try to allocate at the end of 1st vector. + + VkDeviceSize resultBaseOffset = 0; + if (!suballocations1st.empty()) + { + const VmaSuballocation& lastSuballoc = suballocations1st.back(); + resultBaseOffset = lastSuballoc.offset + lastSuballoc.size + debugMargin; + } + + // Start from offset equal to beginning of free space. + VkDeviceSize resultOffset = resultBaseOffset; + + // Apply alignment. + resultOffset = VmaAlignUp(resultOffset, allocAlignment); + + // Check previous suballocations for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations1st.empty()) + { + bool bufferImageGranularityConflict = false; + for (size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) + { + const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) + { + bufferImageGranularityConflict = true; + break; + } + } + else + // Already on previous page. + break; + } + if (bufferImageGranularityConflict) + { + resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); + } + } + + const VkDeviceSize freeSpaceEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? + suballocations2nd.back().offset : blockSize; + + // There is enough free space at the end after alignment. + if (resultOffset + allocSize + debugMargin <= freeSpaceEnd) + { + // Check next suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if ((allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) && m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + for (size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) + { + const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) + { + return false; + } + } + else + { + // Already on previous page. + break; + } + } + } + + // All tests passed: Success. + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); + // pAllocationRequest->item, customData unused. + pAllocationRequest->type = VmaAllocationRequestType::EndOf1st; + return true; + } + } + + // Wrap-around to end of 2nd vector. Try to allocate there, watching for the + // beginning of 1st vector as the end of free space. + if (m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + VMA_ASSERT(!suballocations1st.empty()); + + VkDeviceSize resultBaseOffset = 0; + if (!suballocations2nd.empty()) + { + const VmaSuballocation& lastSuballoc = suballocations2nd.back(); + resultBaseOffset = lastSuballoc.offset + lastSuballoc.size + debugMargin; + } + + // Start from offset equal to beginning of free space. + VkDeviceSize resultOffset = resultBaseOffset; + + // Apply alignment. + resultOffset = VmaAlignUp(resultOffset, allocAlignment); + + // Check previous suballocations for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) + { + bool bufferImageGranularityConflict = false; + for (size_t prevSuballocIndex = suballocations2nd.size(); prevSuballocIndex--; ) + { + const VmaSuballocation& prevSuballoc = suballocations2nd[prevSuballocIndex]; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) + { + bufferImageGranularityConflict = true; + break; + } + } + else + // Already on previous page. + break; + } + if (bufferImageGranularityConflict) + { + resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); + } + } + + size_t index1st = m_1stNullItemsBeginCount; + + // There is enough free space at the end after alignment. + if ((index1st == suballocations1st.size() && resultOffset + allocSize + debugMargin <= blockSize) || + (index1st < suballocations1st.size() && resultOffset + allocSize + debugMargin <= suballocations1st[index1st].offset)) + { + // Check next suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if (allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) + { + for (size_t nextSuballocIndex = index1st; + nextSuballocIndex < suballocations1st.size(); + nextSuballocIndex++) + { + const VmaSuballocation& nextSuballoc = suballocations1st[nextSuballocIndex]; + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) + { + return false; + } + } + else + { + // Already on next page. + break; + } + } + } + + // All tests passed: Success. + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); + pAllocationRequest->type = VmaAllocationRequestType::EndOf2nd; + // pAllocationRequest->item, customData unused. + return true; + } + } + + return false; +} + +bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + const VkDeviceSize blockSize = GetSize(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + VMA_ASSERT(0 && "Trying to use pool with linear algorithm as double stack, while it is already being used as ring buffer."); + return false; + } + + // Try to allocate before 2nd.back(), or end of block if 2nd.empty(). + if (allocSize > blockSize) + { + return false; + } + VkDeviceSize resultBaseOffset = blockSize - allocSize; + if (!suballocations2nd.empty()) + { + const VmaSuballocation& lastSuballoc = suballocations2nd.back(); + resultBaseOffset = lastSuballoc.offset - allocSize; + if (allocSize > lastSuballoc.offset) + { + return false; + } + } + + // Start from offset equal to end of free space. + VkDeviceSize resultOffset = resultBaseOffset; + + const VkDeviceSize debugMargin = GetDebugMargin(); + + // Apply debugMargin at the end. + if (debugMargin > 0) + { + if (resultOffset < debugMargin) + { + return false; + } + resultOffset -= debugMargin; + } + + // Apply alignment. + resultOffset = VmaAlignDown(resultOffset, allocAlignment); + + // Check next suballocations from 2nd for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) + { + bool bufferImageGranularityConflict = false; + for (size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) + { + const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(nextSuballoc.type, allocType)) + { + bufferImageGranularityConflict = true; + break; + } + } + else + // Already on previous page. + break; + } + if (bufferImageGranularityConflict) + { + resultOffset = VmaAlignDown(resultOffset, bufferImageGranularity); + } + } + + // There is enough free space. + const VkDeviceSize endOf1st = !suballocations1st.empty() ? + suballocations1st.back().offset + suballocations1st.back().size : + 0; + if (endOf1st + debugMargin <= resultOffset) + { + // Check previous suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if (bufferImageGranularity > 1) + { + for (size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) + { + const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(allocType, prevSuballoc.type)) + { + return false; + } + } + else + { + // Already on next page. + break; + } + } + } + + // All tests passed: Success. + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); + // pAllocationRequest->item unused. + pAllocationRequest->type = VmaAllocationRequestType::UpperAddress; + return true; + } + + return false; +} +#endif // _VMA_BLOCK_METADATA_LINEAR_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_LINEAR + +#ifndef _VMA_BLOCK_METADATA_BUDDY +/* +- GetSize() is the original size of allocated memory block. +- m_UsableSize is this size aligned down to a power of two. + All allocations and calculations happen relative to m_UsableSize. +- GetUnusableSize() is the difference between them. + It is reported as separate, unused range, not available for allocations. + +Node at level 0 has size = m_UsableSize. +Each next level contains nodes with size 2 times smaller than current level. +m_LevelCount is the maximum number of levels to use in the current object. +*/ +class VmaBlockMetadata_Buddy : public VmaBlockMetadata +{ + VMA_CLASS_NO_COPY(VmaBlockMetadata_Buddy) +public: + VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Buddy(); + + size_t GetAllocationCount() const override { return m_AllocationCount; } + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize + GetUnusableSize(); } + bool IsEmpty() const override { return m_Root->type == Node::TYPE_FREE; } + VkResult CheckCorruption(const void* pBlockData) override { return VK_ERROR_FEATURE_NOT_PRESENT; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + void DebugLogAllAllocations() const override { DebugLogAllAllocationNode(m_Root, 0); } + + void Init(VkDeviceSize size) override; + bool Validate() const override; + + void CalcAllocationStatInfo(VmaStatInfo& outInfo) const override; + void AddPoolStats(VmaPoolStats& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + +private: + static const size_t MAX_LEVELS = 48; + + struct ValidationContext + { + size_t calculatedAllocationCount = 0; + size_t calculatedFreeCount = 0; + VkDeviceSize calculatedSumFreeSize = 0; + }; + struct Node + { + VkDeviceSize offset; + enum TYPE + { + TYPE_FREE, + TYPE_ALLOCATION, + TYPE_SPLIT, + TYPE_COUNT + } type; + Node* parent; + Node* buddy; + + union + { + struct + { + Node* prev; + Node* next; + } free; + struct + { + void* userData; + } allocation; + struct + { + Node* leftChild; + } split; + }; + }; + + // Size of the memory block aligned down to a power of two. + VkDeviceSize m_UsableSize; + uint32_t m_LevelCount; + VmaPoolAllocator m_NodeAllocator; + Node* m_Root; + struct + { + Node* front; + Node* back; + } m_FreeList[MAX_LEVELS]; + + // Number of nodes in the tree with type == TYPE_ALLOCATION. + size_t m_AllocationCount; + // Number of nodes in the tree with type == TYPE_FREE. + size_t m_FreeCount; + // Doesn't include space wasted due to internal fragmentation - allocation sizes are just aligned up to node sizes. + // Doesn't include unusable size. + VkDeviceSize m_SumFreeSize; + + VkDeviceSize GetUnusableSize() const { return GetSize() - m_UsableSize; } + VkDeviceSize LevelToNodeSize(uint32_t level) const { return m_UsableSize >> level; } + + VkDeviceSize AlignAllocationSize(VkDeviceSize size) const + { + if (!IsVirtual()) + { + size = VmaAlignUp(size, (VkDeviceSize)16); + } + return VmaNextPow2(size); + } + Node* FindAllocationNode(VkDeviceSize offset, uint32_t& outLevel); + void DeleteNodeChildren(Node* node); + bool ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const; + uint32_t AllocSizeToLevel(VkDeviceSize allocSize) const; + void CalcAllocationStatInfoNode(VmaStatInfo& inoutInfo, const Node* node, VkDeviceSize levelNodeSize) const; + // Adds node to the front of FreeList at given level. + // node->type must be FREE. + // node->free.prev, next can be undefined. + void AddToFreeListFront(uint32_t level, Node* node); + // Removes node from FreeList at given level. + // node->type must be FREE. + // node->free.prev, next stay untouched. + void RemoveFromFreeList(uint32_t level, Node* node); + void DebugLogAllAllocationNode(Node* node, uint32_t level) const; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const; +#endif +}; + +#ifndef _VMA_BLOCK_METADATA_BUDDY_FUNCTIONS +VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_NodeAllocator(pAllocationCallbacks, 32), // firstBlockCapacity + m_Root(VMA_NULL), + m_AllocationCount(0), + m_FreeCount(1), + m_SumFreeSize(0) +{ + memset(m_FreeList, 0, sizeof(m_FreeList)); +} + +VmaBlockMetadata_Buddy::~VmaBlockMetadata_Buddy() +{ + DeleteNodeChildren(m_Root); + m_NodeAllocator.Free(m_Root); +} + +void VmaBlockMetadata_Buddy::Init(VkDeviceSize size) +{ + VmaBlockMetadata::Init(size); + + m_UsableSize = VmaPrevPow2(size); + m_SumFreeSize = m_UsableSize; + + // Calculate m_LevelCount. + const VkDeviceSize minNodeSize = IsVirtual() ? 1 : 16; + m_LevelCount = 1; + while (m_LevelCount < MAX_LEVELS && + LevelToNodeSize(m_LevelCount) >= minNodeSize) + { + ++m_LevelCount; + } + + Node* rootNode = m_NodeAllocator.Alloc(); + rootNode->offset = 0; + rootNode->type = Node::TYPE_FREE; + rootNode->parent = VMA_NULL; + rootNode->buddy = VMA_NULL; + + m_Root = rootNode; + AddToFreeListFront(0, rootNode); +} + +bool VmaBlockMetadata_Buddy::Validate() const +{ + // Validate tree. + ValidationContext ctx; + if (!ValidateNode(ctx, VMA_NULL, m_Root, 0, LevelToNodeSize(0))) + { + VMA_VALIDATE(false && "ValidateNode failed."); + } + VMA_VALIDATE(m_AllocationCount == ctx.calculatedAllocationCount); + VMA_VALIDATE(m_SumFreeSize == ctx.calculatedSumFreeSize); + + // Validate free node lists. + for (uint32_t level = 0; level < m_LevelCount; ++level) + { + VMA_VALIDATE(m_FreeList[level].front == VMA_NULL || + m_FreeList[level].front->free.prev == VMA_NULL); + + for (Node* node = m_FreeList[level].front; + node != VMA_NULL; + node = node->free.next) + { + VMA_VALIDATE(node->type == Node::TYPE_FREE); + + if (node->free.next == VMA_NULL) + { + VMA_VALIDATE(m_FreeList[level].back == node); + } + else + { + VMA_VALIDATE(node->free.next->free.prev == node); + } + } + } + + // Validate that free lists ar higher levels are empty. + for (uint32_t level = m_LevelCount; level < MAX_LEVELS; ++level) + { + VMA_VALIDATE(m_FreeList[level].front == VMA_NULL && m_FreeList[level].back == VMA_NULL); + } + + return true; +} + +void VmaBlockMetadata_Buddy::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +{ + VmaInitStatInfo(outInfo); + outInfo.blockCount = 1; + + CalcAllocationStatInfoNode(outInfo, m_Root, LevelToNodeSize(0)); + + const VkDeviceSize unusableSize = GetUnusableSize(); + if (unusableSize > 0) + { + VmaAddStatInfoUnusedRange(outInfo, unusableSize); + } +} + +void VmaBlockMetadata_Buddy::AddPoolStats(VmaPoolStats& inoutStats) const +{ + const VkDeviceSize unusableSize = GetUnusableSize(); + + inoutStats.size += GetSize(); + inoutStats.unusedSize += m_SumFreeSize + unusableSize; + inoutStats.allocationCount += m_AllocationCount; + inoutStats.unusedRangeCount += m_FreeCount; + + if (unusableSize > 0) + { + ++inoutStats.unusedRangeCount; + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_Buddy::PrintDetailedMap(class VmaJsonWriter& json) const +{ + VmaStatInfo stat; + CalcAllocationStatInfo(stat); + + PrintDetailedMap_Begin( + json, + stat.unusedBytes, + stat.allocationCount, + stat.unusedRangeCount); + + PrintDetailedMapNode(json, m_Root, LevelToNodeSize(0)); + + const VkDeviceSize unusableSize = GetUnusableSize(); + if (unusableSize > 0) + { + PrintDetailedMap_UnusedRange(json, + m_UsableSize, // offset + unusableSize); // size + } + + PrintDetailedMap_End(json); +} +#endif // VMA_STATS_STRING_ENABLED + +bool VmaBlockMetadata_Buddy::CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(!upperAddress && "VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT can be used only with linear algorithm."); + + allocSize = AlignAllocationSize(allocSize); + + // Simple way to respect bufferImageGranularity. May be optimized some day. + // Whenever it might be an OPTIMAL image... + if (allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL) + { + allocAlignment = VMA_MAX(allocAlignment, GetBufferImageGranularity()); + allocSize = VmaAlignUp(allocSize, GetBufferImageGranularity()); + } + + if (allocSize > m_UsableSize) + { + return false; + } + + const uint32_t targetLevel = AllocSizeToLevel(allocSize); + for (uint32_t level = targetLevel; level--; ) + { + for (Node* freeNode = m_FreeList[level].front; + freeNode != VMA_NULL; + freeNode = freeNode->free.next) + { + if (freeNode->offset % allocAlignment == 0) + { + pAllocationRequest->type = VmaAllocationRequestType::Normal; + pAllocationRequest->allocHandle = (VmaAllocHandle)(freeNode->offset + 1); + pAllocationRequest->size = allocSize; + pAllocationRequest->customData = (void*)(uintptr_t)level; + return true; + } + } + } + + return false; +} + +void VmaBlockMetadata_Buddy::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); + + const uint32_t targetLevel = AllocSizeToLevel(request.size); + uint32_t currLevel = (uint32_t)(uintptr_t)request.customData; + + Node* currNode = m_FreeList[currLevel].front; + VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); + const VkDeviceSize offset = (VkDeviceSize)request.allocHandle - 1; + while (currNode->offset != offset) + { + currNode = currNode->free.next; + VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); + } + + // Go down, splitting free nodes. + while (currLevel < targetLevel) + { + // currNode is already first free node at currLevel. + // Remove it from list of free nodes at this currLevel. + RemoveFromFreeList(currLevel, currNode); + + const uint32_t childrenLevel = currLevel + 1; + + // Create two free sub-nodes. + Node* leftChild = m_NodeAllocator.Alloc(); + Node* rightChild = m_NodeAllocator.Alloc(); + + leftChild->offset = currNode->offset; + leftChild->type = Node::TYPE_FREE; + leftChild->parent = currNode; + leftChild->buddy = rightChild; + + rightChild->offset = currNode->offset + LevelToNodeSize(childrenLevel); + rightChild->type = Node::TYPE_FREE; + rightChild->parent = currNode; + rightChild->buddy = leftChild; + + // Convert current currNode to split type. + currNode->type = Node::TYPE_SPLIT; + currNode->split.leftChild = leftChild; + + // Add child nodes to free list. Order is important! + AddToFreeListFront(childrenLevel, rightChild); + AddToFreeListFront(childrenLevel, leftChild); + + ++m_FreeCount; + ++currLevel; + currNode = m_FreeList[currLevel].front; + + /* + We can be sure that currNode, as left child of node previously split, + also fulfills the alignment requirement. + */ + } + + // Remove from free list. + VMA_ASSERT(currLevel == targetLevel && + currNode != VMA_NULL && + currNode->type == Node::TYPE_FREE); + RemoveFromFreeList(currLevel, currNode); + + // Convert to allocation node. + currNode->type = Node::TYPE_ALLOCATION; + currNode->allocation.userData = userData; + + ++m_AllocationCount; + --m_FreeCount; + m_SumFreeSize -= request.size; +} + +void VmaBlockMetadata_Buddy::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + uint32_t level = 0; + outInfo.offset = (VkDeviceSize)allocHandle - 1; + const Node* const node = FindAllocationNode(outInfo.offset, level); + outInfo.size = LevelToNodeSize(level); + outInfo.pUserData = node->allocation.userData; +} + +void VmaBlockMetadata_Buddy::DeleteNodeChildren(Node* node) +{ + if (node->type == Node::TYPE_SPLIT) + { + DeleteNodeChildren(node->split.leftChild->buddy); + DeleteNodeChildren(node->split.leftChild); + const VkAllocationCallbacks* allocationCallbacks = GetAllocationCallbacks(); + m_NodeAllocator.Free(node->split.leftChild->buddy); + m_NodeAllocator.Free(node->split.leftChild); + } +} + +void VmaBlockMetadata_Buddy::Clear() +{ + DeleteNodeChildren(m_Root); + m_Root->type = Node::TYPE_FREE; + m_AllocationCount = 0; + m_FreeCount = 1; + m_SumFreeSize = m_UsableSize; +} + +void VmaBlockMetadata_Buddy::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + uint32_t level = 0; + Node* const node = FindAllocationNode((VkDeviceSize)allocHandle - 1, level); + node->allocation.userData = userData; +} + +VmaBlockMetadata_Buddy::Node* VmaBlockMetadata_Buddy::FindAllocationNode(VkDeviceSize offset, uint32_t& outLevel) +{ + Node* node = m_Root; + VkDeviceSize nodeOffset = 0; + outLevel = 0; + VkDeviceSize levelNodeSize = LevelToNodeSize(0); + while (node->type == Node::TYPE_SPLIT) + { + const VkDeviceSize nextLevelNodeSize = levelNodeSize >> 1; + if (offset < nodeOffset + nextLevelNodeSize) + { + node = node->split.leftChild; + } + else + { + node = node->split.leftChild->buddy; + nodeOffset += nextLevelNodeSize; + } + ++outLevel; + levelNodeSize = nextLevelNodeSize; + } + + VMA_ASSERT(node != VMA_NULL && node->type == Node::TYPE_ALLOCATION); + return node; +} + +bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const +{ + VMA_VALIDATE(level < m_LevelCount); + VMA_VALIDATE(curr->parent == parent); + VMA_VALIDATE((curr->buddy == VMA_NULL) == (parent == VMA_NULL)); + VMA_VALIDATE(curr->buddy == VMA_NULL || curr->buddy->buddy == curr); + switch (curr->type) + { + case Node::TYPE_FREE: + // curr->free.prev, next are validated separately. + ctx.calculatedSumFreeSize += levelNodeSize; + ++ctx.calculatedFreeCount; + break; + case Node::TYPE_ALLOCATION: + ++ctx.calculatedAllocationCount; + if (!IsVirtual()) + { + VMA_VALIDATE(curr->allocation.userData != VMA_NULL); + } + break; + case Node::TYPE_SPLIT: + { + const uint32_t childrenLevel = level + 1; + const VkDeviceSize childrenLevelNodeSize = levelNodeSize >> 1; + const Node* const leftChild = curr->split.leftChild; + VMA_VALIDATE(leftChild != VMA_NULL); + VMA_VALIDATE(leftChild->offset == curr->offset); + if (!ValidateNode(ctx, curr, leftChild, childrenLevel, childrenLevelNodeSize)) + { + VMA_VALIDATE(false && "ValidateNode for left child failed."); + } + const Node* const rightChild = leftChild->buddy; + VMA_VALIDATE(rightChild->offset == curr->offset + childrenLevelNodeSize); + if (!ValidateNode(ctx, curr, rightChild, childrenLevel, childrenLevelNodeSize)) + { + VMA_VALIDATE(false && "ValidateNode for right child failed."); + } + } + break; + default: + return false; + } + + return true; +} + +uint32_t VmaBlockMetadata_Buddy::AllocSizeToLevel(VkDeviceSize allocSize) const +{ + // I know this could be optimized somehow e.g. by using std::log2p1 from C++20. + uint32_t level = 0; + VkDeviceSize currLevelNodeSize = m_UsableSize; + VkDeviceSize nextLevelNodeSize = currLevelNodeSize >> 1; + while (allocSize <= nextLevelNodeSize && level + 1 < m_LevelCount) + { + ++level; + currLevelNodeSize >>= 1; + nextLevelNodeSize >>= 1; + } + return level; +} + +void VmaBlockMetadata_Buddy::Free(VmaAllocHandle allocHandle) +{ + uint32_t level = 0; + Node* node = FindAllocationNode((VkDeviceSize)allocHandle - 1, level); + + ++m_FreeCount; + --m_AllocationCount; + m_SumFreeSize += LevelToNodeSize(level); + + node->type = Node::TYPE_FREE; + + // Join free nodes if possible. + while (level > 0 && node->buddy->type == Node::TYPE_FREE) + { + RemoveFromFreeList(level, node->buddy); + Node* const parent = node->parent; + + m_NodeAllocator.Free(node->buddy); + m_NodeAllocator.Free(node); + parent->type = Node::TYPE_FREE; + + node = parent; + --level; + --m_FreeCount; + } + + AddToFreeListFront(level, node); +} + +void VmaBlockMetadata_Buddy::CalcAllocationStatInfoNode(VmaStatInfo& inoutInfo, const Node* node, VkDeviceSize levelNodeSize) const +{ + switch (node->type) + { + case Node::TYPE_FREE: + VmaAddStatInfoUnusedRange(inoutInfo, levelNodeSize); + break; + case Node::TYPE_ALLOCATION: + VmaAddStatInfoAllocation(inoutInfo, levelNodeSize); + break; + case Node::TYPE_SPLIT: + { + const VkDeviceSize childrenNodeSize = levelNodeSize / 2; + const Node* const leftChild = node->split.leftChild; + CalcAllocationStatInfoNode(inoutInfo, leftChild, childrenNodeSize); + const Node* const rightChild = leftChild->buddy; + CalcAllocationStatInfoNode(inoutInfo, rightChild, childrenNodeSize); + } + break; + default: + VMA_ASSERT(0); + } +} + +void VmaBlockMetadata_Buddy::AddToFreeListFront(uint32_t level, Node* node) +{ + VMA_ASSERT(node->type == Node::TYPE_FREE); + + // List is empty. + Node* const frontNode = m_FreeList[level].front; + if (frontNode == VMA_NULL) + { + VMA_ASSERT(m_FreeList[level].back == VMA_NULL); + node->free.prev = node->free.next = VMA_NULL; + m_FreeList[level].front = m_FreeList[level].back = node; + } + else + { + VMA_ASSERT(frontNode->free.prev == VMA_NULL); + node->free.prev = VMA_NULL; + node->free.next = frontNode; + frontNode->free.prev = node; + m_FreeList[level].front = node; + } +} + +void VmaBlockMetadata_Buddy::RemoveFromFreeList(uint32_t level, Node* node) +{ + VMA_ASSERT(m_FreeList[level].front != VMA_NULL); + + // It is at the front. + if (node->free.prev == VMA_NULL) + { + VMA_ASSERT(m_FreeList[level].front == node); + m_FreeList[level].front = node->free.next; + } + else + { + Node* const prevFreeNode = node->free.prev; + VMA_ASSERT(prevFreeNode->free.next == node); + prevFreeNode->free.next = node->free.next; + } + + // It is at the back. + if (node->free.next == VMA_NULL) + { + VMA_ASSERT(m_FreeList[level].back == node); + m_FreeList[level].back = node->free.prev; + } + else + { + Node* const nextFreeNode = node->free.next; + VMA_ASSERT(nextFreeNode->free.prev == node); + nextFreeNode->free.prev = node->free.prev; + } +} + +void VmaBlockMetadata_Buddy::DebugLogAllAllocationNode(Node* node, uint32_t level) const +{ + switch (node->type) + { + case Node::TYPE_ALLOCATION: + DebugLogAllocation(node->offset, LevelToNodeSize(level), node->allocation.userData); + break; + case Node::TYPE_SPLIT: + { + ++level; + DebugLogAllAllocationNode(node->split.leftChild, level); + DebugLogAllAllocationNode(node->split.leftChild->buddy, level); + } + break; + default: + VMA_ASSERT(0); + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_Buddy::PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const +{ + switch (node->type) + { + case Node::TYPE_FREE: + PrintDetailedMap_UnusedRange(json, node->offset, levelNodeSize); + break; + case Node::TYPE_ALLOCATION: + PrintDetailedMap_Allocation(json, node->offset, levelNodeSize, node->allocation.userData); + break; + case Node::TYPE_SPLIT: + { + const VkDeviceSize childrenNodeSize = levelNodeSize / 2; + const Node* const leftChild = node->split.leftChild; + PrintDetailedMapNode(json, leftChild, childrenNodeSize); + const Node* const rightChild = leftChild->buddy; + PrintDetailedMapNode(json, rightChild, childrenNodeSize); + } + break; + default: + VMA_ASSERT(0); + } +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_BLOCK_METADATA_BUDDY_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_BUDDY + +#ifndef _VMA_BLOCK_METADATA_TLSF +// To not search current larger region if first allocation won't succeed and skip to smaller range +// use with VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT as strategy in CreateAllocationRequest(). +// When fragmentation and reusal of previous blocks doesn't matter then use with +// VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT for fastest alloc time possible. +class VmaBlockMetadata_TLSF : public VmaBlockMetadata +{ + VMA_CLASS_NO_COPY(VmaBlockMetadata_TLSF) +public: + VmaBlockMetadata_TLSF(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_TLSF(); + + size_t GetAllocationCount() const override { return m_AllocCount; } + VkDeviceSize GetSumFreeSize() const override { return m_BlocksFreeSize + m_NullBlock->size; } + bool IsEmpty() const override { return m_NullBlock->offset == 0; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return ((Block*)allocHandle)->offset; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + + void CalcAllocationStatInfo(VmaStatInfo& outInfo) const override; + void AddPoolStats(VmaPoolStats& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; + +private: + // According to original paper it should be preferable 4 or 5: + // M. Masmano, I. Ripoll, A. Crespo, and J. Real "TLSF: a New Dynamic Memory Allocator for Real-Time Systems" + // http://www.gii.upv.es/tlsf/files/ecrts04_tlsf.pdf + static const uint8_t SECOND_LEVEL_INDEX = 5; + static const uint16_t SMALL_BUFFER_SIZE = 256; + static const uint32_t INITIAL_BLOCK_ALLOC_COUNT = 16; + static const uint8_t MEMORY_CLASS_SHIFT = 7; + static const uint8_t MAX_MEMORY_CLASSES = 65 - MEMORY_CLASS_SHIFT; + + class Block + { + public: + VkDeviceSize offset; + VkDeviceSize size; + Block* prevPhysical; + Block* nextPhysical; + + void MarkFree() { prevFree = VMA_NULL; } + void MarkTaken() { prevFree = this; } + bool IsFree() const { return prevFree != this; } + void*& UserData() { VMA_HEAVY_ASSERT(!IsFree()); return userData; } + Block*& PrevFree() { return prevFree; } + Block*& NextFree() { VMA_HEAVY_ASSERT(IsFree()); return nextFree; } + + private: + Block* prevFree; // Address of the same block here indicates that block is taken + union + { + Block* nextFree; + void* userData; + }; + }; + + size_t m_AllocCount; + // Total number of free blocks besides null block + size_t m_BlocksFreeCount; + // Total size of free blocks excluding null block + VkDeviceSize m_BlocksFreeSize; + uint32_t m_IsFreeBitmap; + uint8_t m_MemoryClasses; + uint32_t m_InnerIsFreeBitmap[MAX_MEMORY_CLASSES]; + uint32_t m_ListsCount; + /* + * 0: 0-3 lists for small buffers + * 1+: 0-(2^SLI-1) lists for normal buffers + */ + Block** m_FreeList; + VmaPoolAllocator m_BlockAllocator; + Block* m_NullBlock; + VmaBlockBufferImageGranularity m_GranularityHandler; + + uint8_t SizeToMemoryClass(VkDeviceSize size) const; + uint16_t SizeToSecondIndex(VkDeviceSize size, uint8_t memoryClass) const; + uint32_t GetListIndex(uint8_t memoryClass, uint16_t secondIndex) const; + uint32_t GetListIndex(VkDeviceSize size) const; + + void RemoveFreeBlock(Block* block); + void InsertFreeBlock(Block* block); + void MergeBlock(Block* block, Block* prev); + + Block* FindFreeBlock(VkDeviceSize size, uint32_t& listIndex) const; + bool CheckBlock( + Block& block, + uint32_t listIndex, + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaAllocationRequest* pAllocationRequest); +}; + +#ifndef _VMA_BLOCK_METADATA_TLSF_FUNCTIONS +VmaBlockMetadata_TLSF::VmaBlockMetadata_TLSF(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_AllocCount(0), + m_BlocksFreeCount(0), + m_BlocksFreeSize(0), + m_IsFreeBitmap(0), + m_MemoryClasses(0), + m_ListsCount(0), + m_FreeList(VMA_NULL), + m_BlockAllocator(pAllocationCallbacks, INITIAL_BLOCK_ALLOC_COUNT), + m_NullBlock(VMA_NULL), + m_GranularityHandler(bufferImageGranularity) {} + +VmaBlockMetadata_TLSF::~VmaBlockMetadata_TLSF() +{ + if (m_FreeList) + vma_delete_array(GetAllocationCallbacks(), m_FreeList, m_ListsCount); + m_GranularityHandler.Destroy(GetAllocationCallbacks()); +} + +void VmaBlockMetadata_TLSF::Init(VkDeviceSize size) +{ + VmaBlockMetadata::Init(size); + + if (!IsVirtual()) + m_GranularityHandler.Init(GetAllocationCallbacks(), size); + + m_NullBlock = m_BlockAllocator.Alloc(); + m_NullBlock->size = size; + m_NullBlock->offset = 0; + m_NullBlock->prevPhysical = VMA_NULL; + m_NullBlock->nextPhysical = VMA_NULL; + m_NullBlock->MarkFree(); + m_NullBlock->NextFree() = VMA_NULL; + m_NullBlock->PrevFree() = VMA_NULL; + uint8_t memoryClass = SizeToMemoryClass(size); + uint16_t sli = SizeToSecondIndex(size, memoryClass); + m_ListsCount = (memoryClass == 0 ? 0 : (memoryClass - 1) * (1UL << SECOND_LEVEL_INDEX) + sli) + 1; + if (IsVirtual()) + m_ListsCount += 1UL << SECOND_LEVEL_INDEX; + else + m_ListsCount += 4; + + m_MemoryClasses = memoryClass + 2; + memset(m_InnerIsFreeBitmap, 0, MAX_MEMORY_CLASSES * sizeof(uint32_t)); + + m_FreeList = vma_new_array(GetAllocationCallbacks(), Block*, m_ListsCount); + memset(m_FreeList, 0, m_ListsCount * sizeof(Block*)); +} + +bool VmaBlockMetadata_TLSF::Validate() const +{ + VMA_VALIDATE(GetSumFreeSize() <= GetSize()); + + VkDeviceSize calculatedSize = m_NullBlock->size; + VkDeviceSize calculatedFreeSize = m_NullBlock->size; + size_t allocCount = 0; + size_t freeCount = 0; + + // Check integrity of free lists + for (uint32_t list = 0; list < m_ListsCount; ++list) + { + Block* block = m_FreeList[list]; + if (block != VMA_NULL) + { + VMA_VALIDATE(block->IsFree()); + VMA_VALIDATE(block->PrevFree() == VMA_NULL); + while (block->NextFree()) + { + VMA_VALIDATE(block->NextFree()->IsFree()); + VMA_VALIDATE(block->NextFree()->PrevFree() == block); + block = block->NextFree(); + } + } + } + + VkDeviceSize nextOffset = m_NullBlock->offset; + auto validateCtx = m_GranularityHandler.StartValidation(GetAllocationCallbacks(), IsVirtual()); + + VMA_VALIDATE(m_NullBlock->nextPhysical == VMA_NULL); + if (m_NullBlock->prevPhysical) + { + VMA_VALIDATE(m_NullBlock->prevPhysical->nextPhysical == m_NullBlock); + } + // Check all blocks + for (Block* prev = m_NullBlock->prevPhysical; prev != VMA_NULL; prev = prev->prevPhysical) + { + VMA_VALIDATE(prev->offset + prev->size == nextOffset); + nextOffset = prev->offset; + calculatedSize += prev->size; + + uint32_t listIndex = GetListIndex(prev->size); + if (prev->IsFree()) + { + ++freeCount; + // Check if free block belongs to free list + Block* freeBlock = m_FreeList[listIndex]; + VMA_VALIDATE(freeBlock != VMA_NULL); + + bool found = false; + do + { + if (freeBlock == prev) + found = true; + + freeBlock = freeBlock->NextFree(); + } while (!found && freeBlock != VMA_NULL); + + VMA_VALIDATE(found); + calculatedFreeSize += prev->size; + } + else + { + ++allocCount; + // Check if taken block is not on a free list + Block* freeBlock = m_FreeList[listIndex]; + while (freeBlock) + { + VMA_VALIDATE(freeBlock != prev); + freeBlock = freeBlock->NextFree(); + } + + if (!IsVirtual()) + { + VMA_VALIDATE(m_GranularityHandler.Validate(validateCtx, prev->offset, prev->size)); + } + } + + if (prev->prevPhysical) + { + VMA_VALIDATE(prev->prevPhysical->nextPhysical == prev); + } + } + + if (!IsVirtual()) + { + VMA_VALIDATE(m_GranularityHandler.FinishValidation(validateCtx)); + } + + VMA_VALIDATE(nextOffset == 0); + VMA_VALIDATE(calculatedSize == GetSize()); + VMA_VALIDATE(calculatedFreeSize == GetSumFreeSize()); + VMA_VALIDATE(allocCount == m_AllocCount); + VMA_VALIDATE(freeCount == m_BlocksFreeCount); + + return true; +} + +void VmaBlockMetadata_TLSF::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +{ + VmaInitStatInfo(outInfo); + outInfo.blockCount = 1; + if (m_NullBlock->size > 0) + VmaAddStatInfoUnusedRange(outInfo, m_NullBlock->size); + + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + if (block->IsFree()) + VmaAddStatInfoUnusedRange(outInfo, block->size); + else + VmaAddStatInfoAllocation(outInfo, block->size); + } +} + +void VmaBlockMetadata_TLSF::AddPoolStats(VmaPoolStats& inoutStats) const +{ + inoutStats.size += GetSize(); + inoutStats.unusedSize += GetSumFreeSize(); + inoutStats.allocationCount += m_AllocCount; + inoutStats.unusedRangeCount += m_BlocksFreeCount; + if(m_NullBlock->size > 0) + ++inoutStats.unusedRangeCount; +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_TLSF::PrintDetailedMap(class VmaJsonWriter& json) const +{ + size_t blockCount = m_AllocCount + m_BlocksFreeCount; + VmaStlAllocator allocator(GetAllocationCallbacks()); + VmaVector> blockList(blockCount, allocator); + + size_t i = blockCount; + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + blockList[--i] = block; + } + VMA_ASSERT(i == 0); + + VmaStatInfo stat; + CalcAllocationStatInfo(stat); + + PrintDetailedMap_Begin(json, + stat.unusedBytes, + stat.allocationCount, + stat.unusedRangeCount); + + for (; i < blockCount; ++i) + { + Block* block = blockList[i]; + if (block->IsFree()) + PrintDetailedMap_UnusedRange(json, block->offset, block->size); + else + PrintDetailedMap_Allocation(json, block->offset, block->size, block->UserData()); + } + if (m_NullBlock->size > 0) + PrintDetailedMap_UnusedRange(json, m_NullBlock->offset, m_NullBlock->size); + + PrintDetailedMap_End(json); +} +#endif + +bool VmaBlockMetadata_TLSF::CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(allocSize > 0 && "Cannot allocate empty block!"); + VMA_ASSERT(!upperAddress && "VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT can be used only with linear algorithm."); + + // For small granularity round up + if (!IsVirtual()) + m_GranularityHandler.RoundupAllocRequest(allocType, allocSize, allocAlignment); + + allocSize += GetDebugMargin(); + // Quick check for too small pool + if (allocSize > GetSumFreeSize()) + return false; + + // If no free blocks in pool then check only null block + if (m_BlocksFreeCount == 0) + return CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest); + + // Round up to the next block + VkDeviceSize sizeForNextList = allocSize; + VkDeviceSize smallSizeStep = SMALL_BUFFER_SIZE / (IsVirtual() ? 1 << SECOND_LEVEL_INDEX : 4); + if (allocSize > SMALL_BUFFER_SIZE) + { + sizeForNextList += (1ULL << (VMA_BITSCAN_MSB(allocSize) - SECOND_LEVEL_INDEX)); + } + else if (allocSize > SMALL_BUFFER_SIZE - smallSizeStep) + sizeForNextList = SMALL_BUFFER_SIZE + 1; + else + sizeForNextList += smallSizeStep; + + uint32_t nextListIndex = 0; + uint32_t prevListIndex = 0; + Block* nextListBlock = VMA_NULL; + Block* prevListBlock = VMA_NULL; + + // Check blocks according to strategies + if (strategy & VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT) + { + // Quick check for larger block first + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + if (nextListBlock != VMA_NULL && CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // If not fitted then null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Null block failed, search larger bucket + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + + // Failed again, check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + } + else if (strategy & VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT) + { + // Check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + + // If failed check null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Check larger bucket + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + } + else + { + // Check larger bucket + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + + // If failed check null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + } + + // Worst case, full search has to be done + while (++nextListIndex < m_ListsCount) + { + nextListBlock = m_FreeList[nextListIndex]; + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + } + + // No more memory sadly + return false; +} + +VkResult VmaBlockMetadata_TLSF::CheckCorruption(const void* pBlockData) +{ + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + if (!block->IsFree()) + { + if (!VmaValidateMagicValue(pBlockData, block->offset + block->size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN; + } + } + } + + return VK_SUCCESS; +} + +void VmaBlockMetadata_TLSF::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + VMA_ASSERT(request.type == VmaAllocationRequestType::TLSF); + + // Get block and pop it from the free list + Block* currentBlock = (Block*)request.allocHandle; + VkDeviceSize offset = request.algorithmData; + VMA_ASSERT(currentBlock != VMA_NULL); + VMA_ASSERT(currentBlock->offset <= offset); + + if (currentBlock != m_NullBlock) + RemoveFreeBlock(currentBlock); + + VkDeviceSize debugMargin = GetDebugMargin(); + VkDeviceSize misssingAlignment = offset - currentBlock->offset; + + // Append missing alignment to prev block or create new one + if (misssingAlignment) + { + Block* prevBlock = currentBlock->prevPhysical; + VMA_ASSERT(prevBlock != VMA_NULL && "There should be no missing alignment at offset 0!"); + + if (prevBlock->IsFree() && prevBlock->size != debugMargin) + { + uint32_t oldList = GetListIndex(prevBlock->size); + prevBlock->size += misssingAlignment; + // Check if new size crosses list bucket + if (oldList != GetListIndex(prevBlock->size)) + { + prevBlock->size -= misssingAlignment; + RemoveFreeBlock(prevBlock); + prevBlock->size += misssingAlignment; + InsertFreeBlock(prevBlock); + } + else + m_BlocksFreeSize += misssingAlignment; + } + else + { + Block* newBlock = m_BlockAllocator.Alloc(); + currentBlock->prevPhysical = newBlock; + prevBlock->nextPhysical = newBlock; + newBlock->prevPhysical = prevBlock; + newBlock->nextPhysical = currentBlock; + newBlock->size = misssingAlignment; + newBlock->offset = currentBlock->offset; + newBlock->MarkTaken(); + + InsertFreeBlock(newBlock); + } + + currentBlock->size -= misssingAlignment; + currentBlock->offset += misssingAlignment; + } + + VkDeviceSize size = request.size + debugMargin; + if (currentBlock->size == size) + { + if (currentBlock == m_NullBlock) + { + // Setup new null block + m_NullBlock = m_BlockAllocator.Alloc(); + m_NullBlock->size = 0; + m_NullBlock->offset = currentBlock->offset + size; + m_NullBlock->prevPhysical = currentBlock; + m_NullBlock->nextPhysical = VMA_NULL; + m_NullBlock->MarkFree(); + m_NullBlock->PrevFree() = VMA_NULL; + m_NullBlock->NextFree() = VMA_NULL; + currentBlock->nextPhysical = m_NullBlock; + currentBlock->MarkTaken(); + } + } + else + { + VMA_ASSERT(currentBlock->size > size && "Proper block already found, shouldn't find smaller one!"); + + // Create new free block + Block* newBlock = m_BlockAllocator.Alloc(); + newBlock->size = currentBlock->size - size; + newBlock->offset = currentBlock->offset + size; + newBlock->prevPhysical = currentBlock; + newBlock->nextPhysical = currentBlock->nextPhysical; + currentBlock->nextPhysical = newBlock; + currentBlock->size = size; + + if (currentBlock == m_NullBlock) + { + m_NullBlock = newBlock; + m_NullBlock->MarkFree(); + m_NullBlock->NextFree() = VMA_NULL; + m_NullBlock->PrevFree() = VMA_NULL; + currentBlock->MarkTaken(); + } + else + { + newBlock->nextPhysical->prevPhysical = newBlock; + newBlock->MarkTaken(); + InsertFreeBlock(newBlock); + } + } + currentBlock->UserData() = userData; + + if (debugMargin > 0) + { + currentBlock->size -= debugMargin; + Block* newBlock = m_BlockAllocator.Alloc(); + newBlock->size = debugMargin; + newBlock->offset = currentBlock->offset + currentBlock->size; + newBlock->prevPhysical = currentBlock; + newBlock->nextPhysical = currentBlock->nextPhysical; + newBlock->MarkTaken(); + currentBlock->nextPhysical->prevPhysical = newBlock; + currentBlock->nextPhysical = newBlock; + InsertFreeBlock(newBlock); + } + + if (!IsVirtual()) + m_GranularityHandler.AllocPages((uint8_t)(uintptr_t)request.customData, + currentBlock->offset, currentBlock->size); + ++m_AllocCount; +} + +void VmaBlockMetadata_TLSF::Free(VmaAllocHandle allocHandle) +{ + Block* block = (Block*)allocHandle; + Block* next = block->nextPhysical; + VMA_ASSERT(!block->IsFree() && "Block is already free!"); + + if (!IsVirtual()) + m_GranularityHandler.FreePages(block->offset, block->size); + --m_AllocCount; + + VkDeviceSize debugMargin = GetDebugMargin(); + if (debugMargin > 0) + { + RemoveFreeBlock(next); + MergeBlock(next, block); + block = next; + next = next->nextPhysical; + } + + // Try merging + Block* prev = block->prevPhysical; + if (prev != VMA_NULL && prev->IsFree() && prev->size != debugMargin) + { + RemoveFreeBlock(prev); + MergeBlock(block, prev); + } + + if (!next->IsFree()) + InsertFreeBlock(block); + else if (next == m_NullBlock) + MergeBlock(m_NullBlock, block); + else + { + RemoveFreeBlock(next); + MergeBlock(next, block); + InsertFreeBlock(next); + } +} + +void VmaBlockMetadata_TLSF::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + Block* block = (Block*)allocHandle; + VMA_ASSERT(!block->IsFree() && "Cannot get allocation info for free block!"); + outInfo.offset = block->offset; + outInfo.size = block->size; + outInfo.pUserData = block->UserData(); +} + +void VmaBlockMetadata_TLSF::Clear() +{ + m_AllocCount = 0; + m_BlocksFreeCount = 0; + m_BlocksFreeSize = 0; + m_IsFreeBitmap = 0; + m_NullBlock->offset = 0; + m_NullBlock->size = GetSize(); + Block* block = m_NullBlock->prevPhysical; + m_NullBlock->prevPhysical = VMA_NULL; + while (block) + { + Block* prev = block->prevPhysical; + m_BlockAllocator.Free(block); + block = prev; + } + memset(m_FreeList, 0, m_ListsCount * sizeof(Block*)); + memset(m_InnerIsFreeBitmap, 0, m_MemoryClasses * sizeof(uint32_t)); + m_GranularityHandler.Clear(); +} + +void VmaBlockMetadata_TLSF::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + Block* block = (Block*)allocHandle; + VMA_ASSERT(!block->IsFree() && "Trying to set user data for not allocated block!"); + block->UserData() = userData; +} + +void VmaBlockMetadata_TLSF::DebugLogAllAllocations() const +{ + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + if (!block->IsFree()) + DebugLogAllocation(block->offset, block->size, block->UserData()); +} + +uint8_t VmaBlockMetadata_TLSF::SizeToMemoryClass(VkDeviceSize size) const +{ + if (size > SMALL_BUFFER_SIZE) + return VMA_BITSCAN_MSB(size) - MEMORY_CLASS_SHIFT; + return 0; +} + +uint16_t VmaBlockMetadata_TLSF::SizeToSecondIndex(VkDeviceSize size, uint8_t memoryClass) const +{ + if (memoryClass == 0) + { + if (IsVirtual()) + return static_cast((size - 1) / 8); + else + return static_cast((size - 1) / 64); + } + return static_cast((size >> (memoryClass + MEMORY_CLASS_SHIFT - SECOND_LEVEL_INDEX)) ^ (1U << SECOND_LEVEL_INDEX)); +} + +uint32_t VmaBlockMetadata_TLSF::GetListIndex(uint8_t memoryClass, uint16_t secondIndex) const +{ + if (memoryClass == 0) + return secondIndex; + + const uint32_t index = static_cast(memoryClass - 1) * (1 << SECOND_LEVEL_INDEX) + secondIndex; + if (IsVirtual()) + return index + (1 << SECOND_LEVEL_INDEX); + else + return index + 4; +} + +uint32_t VmaBlockMetadata_TLSF::GetListIndex(VkDeviceSize size) const +{ + uint8_t memoryClass = SizeToMemoryClass(size); + return GetListIndex(memoryClass, SizeToSecondIndex(size, memoryClass)); +} + +void VmaBlockMetadata_TLSF::RemoveFreeBlock(Block* block) +{ + VMA_ASSERT(block != m_NullBlock); + VMA_ASSERT(block->IsFree()); + + if (block->NextFree() != VMA_NULL) + block->NextFree()->PrevFree() = block->PrevFree(); + if (block->PrevFree() != VMA_NULL) + block->PrevFree()->NextFree() = block->NextFree(); + else + { + uint8_t memClass = SizeToMemoryClass(block->size); + uint16_t secondIndex = SizeToSecondIndex(block->size, memClass); + uint32_t index = GetListIndex(memClass, secondIndex); + VMA_ASSERT(m_FreeList[index] == block); + m_FreeList[index] = block->NextFree(); + if (block->NextFree() == VMA_NULL) + { + m_InnerIsFreeBitmap[memClass] &= ~(1U << secondIndex); + if (m_InnerIsFreeBitmap[memClass] == 0) + m_IsFreeBitmap &= ~(1UL << memClass); + } + } + block->MarkTaken(); + block->UserData() = VMA_NULL; + --m_BlocksFreeCount; + m_BlocksFreeSize -= block->size; +} + +void VmaBlockMetadata_TLSF::InsertFreeBlock(Block* block) +{ + VMA_ASSERT(block != m_NullBlock); + VMA_ASSERT(!block->IsFree() && "Cannot insert block twice!"); + + uint8_t memClass = SizeToMemoryClass(block->size); + uint16_t secondIndex = SizeToSecondIndex(block->size, memClass); + uint32_t index = GetListIndex(memClass, secondIndex); + VMA_ASSERT(index < m_ListsCount); + block->PrevFree() = VMA_NULL; + block->NextFree() = m_FreeList[index]; + m_FreeList[index] = block; + if (block->NextFree() != VMA_NULL) + block->NextFree()->PrevFree() = block; + else + { + m_InnerIsFreeBitmap[memClass] |= 1U << secondIndex; + m_IsFreeBitmap |= 1UL << memClass; + } + ++m_BlocksFreeCount; + m_BlocksFreeSize += block->size; +} + +void VmaBlockMetadata_TLSF::MergeBlock(Block* block, Block* prev) +{ + VMA_ASSERT(block->prevPhysical == prev && "Cannot merge seperate physical regions!"); + VMA_ASSERT(!prev->IsFree() && "Cannot merge block that belongs to free list!"); + + block->offset = prev->offset; + block->size += prev->size; + block->prevPhysical = prev->prevPhysical; + if (block->prevPhysical) + block->prevPhysical->nextPhysical = block; + m_BlockAllocator.Free(prev); +} + +VmaBlockMetadata_TLSF::Block* VmaBlockMetadata_TLSF::FindFreeBlock(VkDeviceSize size, uint32_t& listIndex) const +{ + uint8_t memoryClass = SizeToMemoryClass(size); + uint32_t innerFreeMap = m_InnerIsFreeBitmap[memoryClass] & (~0U << SizeToSecondIndex(size, memoryClass)); + if (!innerFreeMap) + { + // Check higher levels for avaiable blocks + uint32_t freeMap = m_IsFreeBitmap & (~0UL << (memoryClass + 1)); + if (!freeMap) + return VMA_NULL; // No more memory avaible + + // Find lowest free region + memoryClass = VMA_BITSCAN_LSB(freeMap); + innerFreeMap = m_InnerIsFreeBitmap[memoryClass]; + VMA_ASSERT(innerFreeMap != 0); + } + // Find lowest free subregion + listIndex = GetListIndex(memoryClass, VMA_BITSCAN_LSB(innerFreeMap)); + VMA_ASSERT(m_FreeList[listIndex]); + return m_FreeList[listIndex]; +} + +bool VmaBlockMetadata_TLSF::CheckBlock( + Block& block, + uint32_t listIndex, + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(block.IsFree() && "Block is already taken!"); + + VkDeviceSize alignedOffset = VmaAlignUp(block.offset, allocAlignment); + if (block.size < allocSize + alignedOffset - block.offset) + return false; + + // Check for granularity conflicts + if (!IsVirtual() && + m_GranularityHandler.CheckConflictAndAlignUp(alignedOffset, allocSize, block.offset, block.size, allocType)) + return false; + + // Alloc successful + pAllocationRequest->type = VmaAllocationRequestType::TLSF; + pAllocationRequest->allocHandle = (VmaAllocHandle)█ + pAllocationRequest->size = allocSize - GetDebugMargin(); + pAllocationRequest->customData = (void*)allocType; + pAllocationRequest->algorithmData = alignedOffset; + + // Place block at the start of list if it's normal block + if (listIndex != m_ListsCount && block.PrevFree()) + { + block.PrevFree()->NextFree() = block.NextFree(); + if (block.NextFree()) + block.NextFree()->PrevFree() = block.PrevFree(); + block.PrevFree() = VMA_NULL; + block.NextFree() = m_FreeList[listIndex]; + m_FreeList[listIndex] = █ + if (block.NextFree()) + block.NextFree()->PrevFree() = █ + } + + return true; +} +#endif // _VMA_BLOCK_METADATA_TLSF_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_TLSF + +#ifndef _VMA_BLOCK_VECTOR +/* +Sequence of VmaDeviceMemoryBlock. Represents memory blocks allocated for a specific +Vulkan memory type. + +Synchronized internally with a mutex. +*/ +class VmaBlockVector +{ + friend class VmaDefragmentationAlgorithm_Generic; + VMA_CLASS_NO_COPY(VmaBlockVector) +public: + VmaBlockVector( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceSize preferredBlockSize, + size_t minBlockCount, + size_t maxBlockCount, + VkDeviceSize bufferImageGranularity, + bool explicitBlockSize, + uint32_t algorithm, + float priority, + VkDeviceSize minAllocationAlignment, + void* pMemoryAllocateNext); + ~VmaBlockVector(); + + VmaAllocator GetAllocator() const { return m_hAllocator; } + VmaPool GetParentPool() const { return m_hParentPool; } + bool IsCustomPool() const { return m_hParentPool != VMA_NULL; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + VkDeviceSize GetPreferredBlockSize() const { return m_PreferredBlockSize; } + VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } + uint32_t GetAlgorithm() const { return m_Algorithm; } + bool HasExplicitBlockSize() const { return m_ExplicitBlockSize; } + float GetPriority() const { return m_Priority; } + void* const GetAllocationNextPtr() const { return m_pMemoryAllocateNext; } + + VkResult CreateMinBlocks(); + void AddPoolStats(VmaPoolStats* pStats); + bool IsEmpty(); + bool IsCorruptionDetectionEnabled() const; + + VkResult Allocate( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations); + + void Free(const VmaAllocation hAllocation); + // Adds statistics of this BlockVector to pStats. + void AddStats(VmaStats* pStats); + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json); +#endif + + VkResult CheckCorruption(); + + // Saves results in pCtx->res. + void Defragment( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags, + VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, + VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, + VkCommandBuffer commandBuffer); + void DefragmentationEnd( + class VmaBlockVectorDefragmentationContext* pCtx, + uint32_t flags, + VmaDefragmentationStats* pStats); + + uint32_t ProcessDefragmentations( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationPassMoveInfo* pMove, uint32_t maxMoves); + + void CommitDefragmentations( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationStats* pStats); + + //////////////////////////////////////////////////////////////////////////////// + // To be used only while the m_Mutex is locked. Used during defragmentation. + + size_t GetBlockCount() const { return m_Blocks.size(); } + VmaDeviceMemoryBlock* GetBlock(size_t index) const { return m_Blocks[index]; } + size_t CalcAllocationCount() const; + bool IsBufferImageGranularityConflictPossible() const; + +private: + const VmaAllocator m_hAllocator; + const VmaPool m_hParentPool; + const uint32_t m_MemoryTypeIndex; + const VkDeviceSize m_PreferredBlockSize; + const size_t m_MinBlockCount; + const size_t m_MaxBlockCount; + const VkDeviceSize m_BufferImageGranularity; + const bool m_ExplicitBlockSize; + const uint32_t m_Algorithm; + const float m_Priority; + const VkDeviceSize m_MinAllocationAlignment; + + void* const m_pMemoryAllocateNext; + VMA_RW_MUTEX m_Mutex; + /* There can be at most one allocation that is completely empty (except when minBlockCount > 0) - + a hysteresis to avoid pessimistic case of alternating creation and destruction of a VkDeviceMemory. */ + bool m_HasEmptyBlock; + // Incrementally sorted by sumFreeSize, ascending. + VmaVector> m_Blocks; + uint32_t m_NextBlockId; + + VkDeviceSize CalcMaxBlockSize() const; + // Finds and removes given block from vector. + void Remove(VmaDeviceMemoryBlock* pBlock); + // Performs single step in sorting m_Blocks. They may not be fully sorted + // after this call. + void IncrementallySortBlocks(); + + VkResult AllocatePage( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + VmaAllocation* pAllocation); + + VkResult AllocateFromBlock( + VmaDeviceMemoryBlock* pBlock, + VkDeviceSize size, + VkDeviceSize alignment, + VmaAllocationCreateFlags allocFlags, + void* pUserData, + VmaSuballocationType suballocType, + uint32_t strategy, + VmaAllocation* pAllocation); + + VkResult CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex); + // Saves result to pCtx->res. + void ApplyDefragmentationMovesCpu( + VmaBlockVectorDefragmentationContext* pDefragCtx, + const VmaVector>& moves); + // Saves result to pCtx->res. + void ApplyDefragmentationMovesGpu( + VmaBlockVectorDefragmentationContext* pDefragCtx, + VmaVector>& moves, + VkCommandBuffer commandBuffer); + + /* + Used during defragmentation. pDefragmentationStats is optional. It is in/out + - updated with new data. + */ + void FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats); + void UpdateHasEmptyBlock(); +}; +#endif // _VMA_BLOCK_VECTOR + +#ifndef _VMA_DEFRAGMENTATION_ALGORITHM +struct VmaDefragmentationMove +{ + size_t srcBlockIndex; + size_t dstBlockIndex; + VkDeviceSize srcOffset; + VkDeviceSize dstOffset; + VmaAllocHandle dstHandle; + VkDeviceSize size; + VmaAllocation hAllocation; + VmaDeviceMemoryBlock* pSrcBlock; + VmaDeviceMemoryBlock* pDstBlock; +}; + +/* +Performs defragmentation: + +- Updates `pBlockVector->m_pMetadata`. +- Updates allocations by calling ChangeBlockAllocation() or ChangeOffset(). +- Does not move actual data, only returns requested moves as `moves`. +*/ +class VmaDefragmentationAlgorithm +{ + VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm) +public: + VmaDefragmentationAlgorithm( + VmaAllocator hAllocator, + VmaBlockVector* pBlockVector) + : m_hAllocator(hAllocator), + m_pBlockVector(pBlockVector) {} + virtual ~VmaDefragmentationAlgorithm() = default; + + virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) = 0; + virtual void AddAll() = 0; + + virtual VkResult Defragment( + VmaVector>& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + VmaDefragmentationFlags flags) = 0; + + virtual VkDeviceSize GetBytesMoved() const = 0; + virtual uint32_t GetAllocationsMoved() const = 0; + +protected: + struct AllocationInfo + { + VmaAllocation m_hAllocation; + VkBool32* m_pChanged; + + AllocationInfo() : m_hAllocation(VK_NULL_HANDLE), m_pChanged(VMA_NULL) {} + AllocationInfo(VmaAllocation hAlloc, VkBool32* pChanged) : m_hAllocation(hAlloc), m_pChanged(pChanged) {} + }; + + VmaAllocator const m_hAllocator; + VmaBlockVector* const m_pBlockVector; +}; + +#endif // _VMA_DEFRAGMENTATION_ALGORITHM + +#ifndef _VMA_DEFRAGMENTATION_ALGORITHM_GENERIC +class VmaDefragmentationAlgorithm_Generic : public VmaDefragmentationAlgorithm +{ + VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Generic) +public: + VmaDefragmentationAlgorithm_Generic( + VmaAllocator hAllocator, + VmaBlockVector* pBlockVector, + bool overlappingMoveSupported); + virtual ~VmaDefragmentationAlgorithm_Generic(); + + virtual void AddAll() { m_AllAllocations = true; } + virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } + virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } + + virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); + virtual VkResult Defragment( + VmaVector>& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + VmaDefragmentationFlags flags); + +private: + struct AllocationInfoSizeGreater + { + bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const; + }; + struct AllocationInfoOffsetGreater + { + bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const; + }; + struct BlockInfo + { + size_t m_OriginalBlockIndex; + VmaDeviceMemoryBlock* m_pBlock; + bool m_HasNonMovableAllocations; + VmaVector> m_Allocations; + + BlockInfo(const VkAllocationCallbacks* pAllocationCallbacks); + + void CalcHasNonMovableAllocations(); + void SortAllocationsBySizeDescending(); + void SortAllocationsByOffsetDescending(); + }; + struct BlockPointerLess + { + bool operator()(const BlockInfo* pLhsBlockInfo, const VmaDeviceMemoryBlock* pRhsBlock) const; + bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const; + }; + // 1. Blocks with some non-movable allocations go first. + // 2. Blocks with smaller sumFreeSize go first. + struct BlockInfoCompareMoveDestination + { + bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const; + }; + typedef VmaVector> BlockInfoVector; + + BlockInfoVector m_Blocks; + uint32_t m_AllocationCount; + bool m_AllAllocations; + VkDeviceSize m_BytesMoved; + uint32_t m_AllocationsMoved; + + static bool MoveMakesSense( + size_t dstBlockIndex, VkDeviceSize dstOffset, + size_t srcBlockIndex, VkDeviceSize srcOffset); + + size_t CalcBlocksWithNonMovableCount() const; + VkResult DefragmentRound( + VmaVector>& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + bool freeOldAllocations); +}; +#endif // _VMA_DEFRAGMENTATION_ALGORITHM_GENERIC + +#ifndef _VMA_DEFRAGMENTATION_ALGORITHM_FAST +class VmaDefragmentationAlgorithm_Fast : public VmaDefragmentationAlgorithm +{ + VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Fast) +public: + VmaDefragmentationAlgorithm_Fast( + VmaAllocator hAllocator, + VmaBlockVector* pBlockVector, + bool overlappingMoveSupported); + virtual ~VmaDefragmentationAlgorithm_Fast() = default; + + virtual void AddAll() { m_AllAllocations = true; } + virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } + virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } + virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) { ++m_AllocationCount; } + + virtual VkResult Defragment( + VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + VmaDefragmentationFlags flags); + +private: + struct BlockInfo + { + size_t origBlockIndex; + }; + class FreeSpaceDatabase + { + public: + FreeSpaceDatabase(); + + void Register(size_t blockInfoIndex, VkDeviceSize offset, VkDeviceSize size); + bool Fetch(VkDeviceSize alignment, VkDeviceSize size, + size_t& outBlockInfoIndex, VkDeviceSize& outDstOffset); + + private: + static const size_t MAX_COUNT = 4; + + struct FreeSpace + { + size_t blockInfoIndex; // SIZE_MAX means this structure is invalid. + VkDeviceSize offset; + VkDeviceSize size; + } m_FreeSpaces[MAX_COUNT]; + }; + + const bool m_OverlappingMoveSupported; + + uint32_t m_AllocationCount; + bool m_AllAllocations; + VkDeviceSize m_BytesMoved; + uint32_t m_AllocationsMoved; + + VmaVector> m_BlockInfos; + + void PreprocessMetadata(); + void PostprocessMetadata(); + void InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc); +}; +#endif // _VMA_DEFRAGMENTATION_ALGORITHM_FAST + +#ifndef _VMA_BLOCK_VECTOR_DEFRAGMENTATION_CONTEXT +struct VmaBlockDefragmentationContext +{ + enum BLOCK_FLAG + { + BLOCK_FLAG_USED = 0x00000001, + }; + uint32_t flags; + VkBuffer hBuffer; +}; + +class VmaBlockVectorDefragmentationContext +{ + VMA_CLASS_NO_COPY(VmaBlockVectorDefragmentationContext) +public: + VkResult res; + bool mutexLocked; + VmaVector> blockContexts; + VmaVector> defragmentationMoves; + uint32_t defragmentationMovesProcessed; + uint32_t defragmentationMovesCommitted; + bool hasDefragmentationPlan; + + VmaBlockVectorDefragmentationContext( + VmaAllocator hAllocator, + VmaPool hCustomPool, // Optional. + VmaBlockVector* pBlockVector); + ~VmaBlockVectorDefragmentationContext(); + + VmaPool GetCustomPool() const { return m_hCustomPool; } + VmaBlockVector* GetBlockVector() const { return m_pBlockVector; } + VmaDefragmentationAlgorithm* GetAlgorithm() const { return m_pAlgorithm; } + void AddAll() { m_AllAllocations = true; } + + void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); + void Begin(bool overlappingMoveSupported, VmaDefragmentationFlags flags); + +private: + struct AllocInfo + { + VmaAllocation hAlloc; + VkBool32* pChanged; + }; + + const VmaAllocator m_hAllocator; + // Null if not from custom pool. + const VmaPool m_hCustomPool; + // Redundant, for convenience not to fetch from m_hCustomPool->m_BlockVector or m_hAllocator->m_pBlockVectors. + VmaBlockVector* const m_pBlockVector; + // Owner of this object. + VmaDefragmentationAlgorithm* m_pAlgorithm; + // Used between constructor and Begin. + VmaVector> m_Allocations; + bool m_AllAllocations; +}; +#endif // _VMA_BLOCK_VECTOR_DEFRAGMENTATION_CONTEXT + +#ifndef _VMA_DEFRAGMENTATION_CONTEXT +struct VmaDefragmentationContext_T +{ +private: + VMA_CLASS_NO_COPY(VmaDefragmentationContext_T) +public: + VmaDefragmentationContext_T( + VmaAllocator hAllocator, + uint32_t flags, + VmaDefragmentationStats* pStats); + ~VmaDefragmentationContext_T(); + + void AddPools(uint32_t poolCount, const VmaPool* pPools); + void AddAllocations( + uint32_t allocationCount, + const VmaAllocation* pAllocations, + VkBool32* pAllocationsChanged); + + /* + Returns: + - `VK_SUCCESS` if succeeded and object can be destroyed immediately. + - `VK_NOT_READY` if succeeded but the object must remain alive until vmaDefragmentationEnd(). + - Negative value if error occurred and object can be destroyed immediately. + */ + VkResult Defragment( + VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, + VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, + VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags); + + VkResult DefragmentPassBegin(VmaDefragmentationPassInfo* pInfo); + VkResult DefragmentPassEnd(); + +private: + const VmaAllocator m_hAllocator; + const uint32_t m_Flags; + VmaDefragmentationStats* const m_pStats; + + VkDeviceSize m_MaxCpuBytesToMove; + uint32_t m_MaxCpuAllocationsToMove; + VkDeviceSize m_MaxGpuBytesToMove; + uint32_t m_MaxGpuAllocationsToMove; + + // Owner of these objects. + VmaBlockVectorDefragmentationContext* m_DefaultPoolContexts[VK_MAX_MEMORY_TYPES]; + // Owner of these objects. + VmaVector> m_CustomPoolContexts; +}; +#endif // _VMA_DEFRAGMENTATION_CONTEXT + +#ifndef _VMA_POOL_T +struct VmaPool_T +{ + friend struct VmaPoolListItemTraits; + VMA_CLASS_NO_COPY(VmaPool_T) +public: + VmaBlockVector m_BlockVector; + VmaDedicatedAllocationList m_DedicatedAllocations; + + VmaPool_T( + VmaAllocator hAllocator, + const VmaPoolCreateInfo& createInfo, + VkDeviceSize preferredBlockSize); + ~VmaPool_T(); + + uint32_t GetId() const { return m_Id; } + void SetId(uint32_t id) { VMA_ASSERT(m_Id == 0); m_Id = id; } + + const char* GetName() const { return m_Name; } + void SetName(const char* pName); + +#if VMA_STATS_STRING_ENABLED + //void PrintDetailedMap(class VmaStringBuilder& sb); +#endif + +private: + uint32_t m_Id; + char* m_Name; + VmaPool_T* m_PrevPool = VMA_NULL; + VmaPool_T* m_NextPool = VMA_NULL; +}; + +struct VmaPoolListItemTraits +{ + typedef VmaPool_T ItemType; + + static ItemType* GetPrev(const ItemType* item) { return item->m_PrevPool; } + static ItemType* GetNext(const ItemType* item) { return item->m_NextPool; } + static ItemType*& AccessPrev(ItemType* item) { return item->m_PrevPool; } + static ItemType*& AccessNext(ItemType* item) { return item->m_NextPool; } +}; +#endif // _VMA_POOL_T + +#ifndef _VMA_CURRENT_BUDGET_DATA +struct VmaCurrentBudgetData +{ + VMA_ATOMIC_UINT64 m_BlockBytes[VK_MAX_MEMORY_HEAPS]; + VMA_ATOMIC_UINT64 m_AllocationBytes[VK_MAX_MEMORY_HEAPS]; + +#if VMA_MEMORY_BUDGET + VMA_ATOMIC_UINT32 m_OperationsSinceBudgetFetch; + VMA_RW_MUTEX m_BudgetMutex; + uint64_t m_VulkanUsage[VK_MAX_MEMORY_HEAPS]; + uint64_t m_VulkanBudget[VK_MAX_MEMORY_HEAPS]; + uint64_t m_BlockBytesAtBudgetFetch[VK_MAX_MEMORY_HEAPS]; +#endif // VMA_MEMORY_BUDGET + + VmaCurrentBudgetData(); + + void AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize); + void RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize); +}; + +#ifndef _VMA_CURRENT_BUDGET_DATA_FUNCTIONS +VmaCurrentBudgetData::VmaCurrentBudgetData() +{ + for (uint32_t heapIndex = 0; heapIndex < VK_MAX_MEMORY_HEAPS; ++heapIndex) + { + m_BlockBytes[heapIndex] = 0; + m_AllocationBytes[heapIndex] = 0; +#if VMA_MEMORY_BUDGET + m_VulkanUsage[heapIndex] = 0; + m_VulkanBudget[heapIndex] = 0; + m_BlockBytesAtBudgetFetch[heapIndex] = 0; +#endif + } + +#if VMA_MEMORY_BUDGET + m_OperationsSinceBudgetFetch = 0; +#endif +} + +void VmaCurrentBudgetData::AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) +{ + m_AllocationBytes[heapIndex] += allocationSize; +#if VMA_MEMORY_BUDGET + ++m_OperationsSinceBudgetFetch; +#endif +} + +void VmaCurrentBudgetData::RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) +{ + VMA_ASSERT(m_AllocationBytes[heapIndex] >= allocationSize); + m_AllocationBytes[heapIndex] -= allocationSize; +#if VMA_MEMORY_BUDGET + ++m_OperationsSinceBudgetFetch; +#endif +} +#endif // _VMA_CURRENT_BUDGET_DATA_FUNCTIONS +#endif // _VMA_CURRENT_BUDGET_DATA + +#ifndef _VMA_ALLOCATION_OBJECT_ALLOCATOR +/* +Thread-safe wrapper over VmaPoolAllocator free list, for allocation of VmaAllocation_T objects. +*/ +class VmaAllocationObjectAllocator +{ + VMA_CLASS_NO_COPY(VmaAllocationObjectAllocator) +public: + VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks) + : m_Allocator(pAllocationCallbacks, 1024) {} + + template VmaAllocation Allocate(Types&&... args); + void Free(VmaAllocation hAlloc); + +private: + VMA_MUTEX m_Mutex; + VmaPoolAllocator m_Allocator; +}; + +template +VmaAllocation VmaAllocationObjectAllocator::Allocate(Types&&... args) +{ + VmaMutexLock mutexLock(m_Mutex); + return m_Allocator.Alloc(std::forward(args)...); +} + +void VmaAllocationObjectAllocator::Free(VmaAllocation hAlloc) +{ + VmaMutexLock mutexLock(m_Mutex); + m_Allocator.Free(hAlloc); +} +#endif // _VMA_ALLOCATION_OBJECT_ALLOCATOR + +#ifndef _VMA_VIRTUAL_BLOCK_T +struct VmaVirtualBlock_T +{ + VMA_CLASS_NO_COPY(VmaVirtualBlock_T) +public: + const bool m_AllocationCallbacksSpecified; + const VkAllocationCallbacks m_AllocationCallbacks; + + VmaVirtualBlock_T(const VmaVirtualBlockCreateInfo& createInfo); + ~VmaVirtualBlock_T(); + + VkResult Init() { return VK_SUCCESS; } + bool IsEmpty() const { return m_Metadata->IsEmpty(); } + void Free(VmaVirtualAllocation allocation) { m_Metadata->Free((VmaAllocHandle)allocation); } + void SetAllocationUserData(VmaVirtualAllocation allocation, void* userData) { m_Metadata->SetAllocationUserData((VmaAllocHandle)allocation, userData); } + void Clear() { m_Metadata->Clear(); } + + const VkAllocationCallbacks* GetAllocationCallbacks() const; + void GetAllocationInfo(VmaVirtualAllocation allocation, VmaVirtualAllocationInfo& outInfo); + VkResult Allocate(const VmaVirtualAllocationCreateInfo& createInfo, VmaVirtualAllocation& outAllocation, + VkDeviceSize* outOffset); + void CalculateStats(VmaStatInfo& outStatInfo) const; +#if VMA_STATS_STRING_ENABLED + void BuildStatsString(bool detailedMap, VmaStringBuilder& sb) const; +#endif + +private: + VmaBlockMetadata* m_Metadata; +}; + +#ifndef _VMA_VIRTUAL_BLOCK_T_FUNCTIONS +VmaVirtualBlock_T::VmaVirtualBlock_T(const VmaVirtualBlockCreateInfo& createInfo) + : m_AllocationCallbacksSpecified(createInfo.pAllocationCallbacks != VMA_NULL), + m_AllocationCallbacks(createInfo.pAllocationCallbacks != VMA_NULL ? *createInfo.pAllocationCallbacks : VmaEmptyAllocationCallbacks) +{ + const uint32_t algorithm = createInfo.flags & VMA_VIRTUAL_BLOCK_CREATE_ALGORITHM_MASK; + switch (algorithm) + { + case 0: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_Generic)(VK_NULL_HANDLE, 1, true); + break; + case VMA_VIRTUAL_BLOCK_CREATE_BUDDY_ALGORITHM_BIT: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_Buddy)(VK_NULL_HANDLE, 1, true); + break; + case VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_Linear)(VK_NULL_HANDLE, 1, true); + break; + case VMA_VIRTUAL_BLOCK_CREATE_TLSF_ALGORITHM_BIT: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_TLSF)(VK_NULL_HANDLE, 1, true); + break; + default: + VMA_ASSERT(0); + } + + m_Metadata->Init(createInfo.size); +} + +VmaVirtualBlock_T::~VmaVirtualBlock_T() +{ + // Define macro VMA_DEBUG_LOG to receive the list of the unfreed allocations + if (!m_Metadata->IsEmpty()) + m_Metadata->DebugLogAllAllocations(); + // This is the most important assert in the entire library. + // Hitting it means you have some memory leak - unreleased virtual allocations. + VMA_ASSERT(m_Metadata->IsEmpty() && "Some virtual allocations were not freed before destruction of this virtual block!"); + + vma_delete(GetAllocationCallbacks(), m_Metadata); +} + +const VkAllocationCallbacks* VmaVirtualBlock_T::GetAllocationCallbacks() const +{ + return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : VMA_NULL; +} + +void VmaVirtualBlock_T::GetAllocationInfo(VmaVirtualAllocation allocation, VmaVirtualAllocationInfo& outInfo) +{ + m_Metadata->GetAllocationInfo((VmaAllocHandle)allocation, outInfo); +} + +VkResult VmaVirtualBlock_T::Allocate(const VmaVirtualAllocationCreateInfo& createInfo, VmaVirtualAllocation& outAllocation, + VkDeviceSize* outOffset) +{ + VmaAllocationRequest request = {}; + if (m_Metadata->CreateAllocationRequest( + createInfo.size, // allocSize + VMA_MAX(createInfo.alignment, (VkDeviceSize)1), // allocAlignment + (createInfo.flags & VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, // upperAddress + VMA_SUBALLOCATION_TYPE_UNKNOWN, // allocType - unimportant + createInfo.flags & VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK, // strategy + &request)) + { + m_Metadata->Alloc(request, + VMA_SUBALLOCATION_TYPE_UNKNOWN, // type - unimportant + createInfo.pUserData); + outAllocation = (VmaVirtualAllocation)request.allocHandle; + if(outOffset) + *outOffset = m_Metadata->GetAllocationOffset(request.allocHandle); + return VK_SUCCESS; + } + outAllocation = (VmaVirtualAllocation)VK_NULL_HANDLE; + if (outOffset) + *outOffset = UINT64_MAX; + return VK_ERROR_OUT_OF_DEVICE_MEMORY; +} + +void VmaVirtualBlock_T::CalculateStats(VmaStatInfo& outStatInfo) const +{ + m_Metadata->CalcAllocationStatInfo(outStatInfo); + VmaPostprocessCalcStatInfo(outStatInfo); +} + +#if VMA_STATS_STRING_ENABLED +void VmaVirtualBlock_T::BuildStatsString(bool detailedMap, VmaStringBuilder& sb) const +{ + VmaJsonWriter json(GetAllocationCallbacks(), sb); + json.BeginObject(); + + VmaStatInfo stat = {}; + CalculateStats(stat); + + json.WriteString("Stats"); + VmaPrintStatInfo(json, stat); + + if (detailedMap) + { + json.WriteString("Details"); + m_Metadata->PrintDetailedMap(json); + } + + json.EndObject(); +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_VIRTUAL_BLOCK_T_FUNCTIONS +#endif // _VMA_VIRTUAL_BLOCK_T + +// Main allocator object. +struct VmaAllocator_T +{ + VMA_CLASS_NO_COPY(VmaAllocator_T) +public: + bool m_UseMutex; + uint32_t m_VulkanApiVersion; + bool m_UseKhrDedicatedAllocation; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). + bool m_UseKhrBindMemory2; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). + bool m_UseExtMemoryBudget; + bool m_UseAmdDeviceCoherentMemory; + bool m_UseKhrBufferDeviceAddress; + bool m_UseExtMemoryPriority; + VkDevice m_hDevice; + VkInstance m_hInstance; + bool m_AllocationCallbacksSpecified; + VkAllocationCallbacks m_AllocationCallbacks; + VmaDeviceMemoryCallbacks m_DeviceMemoryCallbacks; + VmaAllocationObjectAllocator m_AllocationObjectAllocator; + + // Each bit (1 << i) is set if HeapSizeLimit is enabled for that heap, so cannot allocate more than the heap size. + uint32_t m_HeapSizeLimitMask; + + VkPhysicalDeviceProperties m_PhysicalDeviceProperties; + VkPhysicalDeviceMemoryProperties m_MemProps; + + // Default pools. + VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; + VmaDedicatedAllocationList m_DedicatedAllocations[VK_MAX_MEMORY_TYPES]; + + VmaCurrentBudgetData m_Budget; + VMA_ATOMIC_UINT32 m_DeviceMemoryCount; // Total number of VkDeviceMemory objects. + + VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo); + VkResult Init(const VmaAllocatorCreateInfo* pCreateInfo); + ~VmaAllocator_T(); + + const VkAllocationCallbacks* GetAllocationCallbacks() const + { + return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : VMA_NULL; + } + const VmaVulkanFunctions& GetVulkanFunctions() const + { + return m_VulkanFunctions; + } + + VkPhysicalDevice GetPhysicalDevice() const { return m_PhysicalDevice; } + + VkDeviceSize GetBufferImageGranularity() const + { + return VMA_MAX( + static_cast(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY), + m_PhysicalDeviceProperties.limits.bufferImageGranularity); + } + + uint32_t GetMemoryHeapCount() const { return m_MemProps.memoryHeapCount; } + uint32_t GetMemoryTypeCount() const { return m_MemProps.memoryTypeCount; } + + uint32_t MemoryTypeIndexToHeapIndex(uint32_t memTypeIndex) const + { + VMA_ASSERT(memTypeIndex < m_MemProps.memoryTypeCount); + return m_MemProps.memoryTypes[memTypeIndex].heapIndex; + } + // True when specific memory type is HOST_VISIBLE but not HOST_COHERENT. + bool IsMemoryTypeNonCoherent(uint32_t memTypeIndex) const + { + return (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) == + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + } + // Minimum alignment for all allocations in specific memory type. + VkDeviceSize GetMemoryTypeMinAlignment(uint32_t memTypeIndex) const + { + return IsMemoryTypeNonCoherent(memTypeIndex) ? + VMA_MAX((VkDeviceSize)VMA_MIN_ALIGNMENT, m_PhysicalDeviceProperties.limits.nonCoherentAtomSize) : + (VkDeviceSize)VMA_MIN_ALIGNMENT; + } + + bool IsIntegratedGpu() const + { + return m_PhysicalDeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU; + } + + uint32_t GetGlobalMemoryTypeBits() const { return m_GlobalMemoryTypeBits; } + + void GetBufferMemoryRequirements( + VkBuffer hBuffer, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const; + void GetImageMemoryRequirements( + VkImage hImage, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const; + + // Main allocation function. + VkResult AllocateMemory( + const VkMemoryRequirements& vkMemReq, + bool requiresDedicatedAllocation, + bool prefersDedicatedAllocation, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, // UINT32_MAX when unknown. + VkImage dedicatedImage, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations); + + // Main deallocation function. + void FreeMemory( + size_t allocationCount, + const VmaAllocation* pAllocations); + + void CalculateStats(VmaStats* pStats); + + void GetHeapBudgets( + VmaBudget* outBudgets, uint32_t firstHeap, uint32_t heapCount); + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json); +#endif + + VkResult DefragmentationBegin( + const VmaDefragmentationInfo2& info, + VmaDefragmentationStats* pStats, + VmaDefragmentationContext* pContext); + VkResult DefragmentationEnd( + VmaDefragmentationContext context); + + VkResult DefragmentationPassBegin( + VmaDefragmentationPassInfo* pInfo, + VmaDefragmentationContext context); + VkResult DefragmentationPassEnd( + VmaDefragmentationContext context); + + void GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo); + + VkResult CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool); + void DestroyPool(VmaPool pool); + void GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats); + + void SetCurrentFrameIndex(uint32_t frameIndex); + uint32_t GetCurrentFrameIndex() const { return m_CurrentFrameIndex.load(); } + + VkResult CheckPoolCorruption(VmaPool hPool); + VkResult CheckCorruption(uint32_t memoryTypeBits); + + // Call to Vulkan function vkAllocateMemory with accompanying bookkeeping. + VkResult AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory); + // Call to Vulkan function vkFreeMemory with accompanying bookkeeping. + void FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory); + // Call to Vulkan function vkBindBufferMemory or vkBindBufferMemory2KHR. + VkResult BindVulkanBuffer( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkBuffer buffer, + const void* pNext); + // Call to Vulkan function vkBindImageMemory or vkBindImageMemory2KHR. + VkResult BindVulkanImage( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkImage image, + const void* pNext); + + VkResult Map(VmaAllocation hAllocation, void** ppData); + void Unmap(VmaAllocation hAllocation); + + VkResult BindBufferMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext); + VkResult BindImageMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext); + + VkResult FlushOrInvalidateAllocation( + VmaAllocation hAllocation, + VkDeviceSize offset, VkDeviceSize size, + VMA_CACHE_OPERATION op); + VkResult FlushOrInvalidateAllocations( + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, const VkDeviceSize* sizes, + VMA_CACHE_OPERATION op); + + void FillAllocation(const VmaAllocation hAllocation, uint8_t pattern); + + /* + Returns bit mask of memory types that can support defragmentation on GPU as + they support creation of required buffer for copy operations. + */ + uint32_t GetGpuDefragmentationMemoryTypeBits(); + +#if VMA_EXTERNAL_MEMORY + VkExternalMemoryHandleTypeFlagsKHR GetExternalMemoryHandleTypeFlags(uint32_t memTypeIndex) const + { + return m_TypeExternalMemoryHandleTypes[memTypeIndex]; + } +#endif // #if VMA_EXTERNAL_MEMORY + +private: + VkDeviceSize m_PreferredLargeHeapBlockSize; + + VkPhysicalDevice m_PhysicalDevice; + VMA_ATOMIC_UINT32 m_CurrentFrameIndex; + VMA_ATOMIC_UINT32 m_GpuDefragmentationMemoryTypeBits; // UINT32_MAX means uninitialized. +#if VMA_EXTERNAL_MEMORY + VkExternalMemoryHandleTypeFlagsKHR m_TypeExternalMemoryHandleTypes[VK_MAX_MEMORY_TYPES]; +#endif // #if VMA_EXTERNAL_MEMORY + + VMA_RW_MUTEX m_PoolsMutex; + typedef VmaIntrusiveLinkedList PoolList; + // Protected by m_PoolsMutex. + PoolList m_Pools; + uint32_t m_NextPoolId; + + VmaVulkanFunctions m_VulkanFunctions; + + // Global bit mask AND-ed with any memoryTypeBits to disallow certain memory types. + uint32_t m_GlobalMemoryTypeBits; + + void ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions); + +#if VMA_STATIC_VULKAN_FUNCTIONS == 1 + void ImportVulkanFunctions_Static(); +#endif + + void ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions); + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + void ImportVulkanFunctions_Dynamic(); +#endif + + void ValidateVulkanFunctions(); + + VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); + + VkResult AllocateMemoryOfType( + VmaPool pool, + VkDeviceSize size, + VkDeviceSize alignment, + bool dedicatedPreferred, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, + VkImage dedicatedImage, + const VmaAllocationCreateInfo& createInfo, + uint32_t memTypeIndex, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + VmaBlockVector& blockVector, + size_t allocationCount, + VmaAllocation* pAllocations); + + // Helper function only to be used inside AllocateDedicatedMemory. + VkResult AllocateDedicatedMemoryPage( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + uint32_t memTypeIndex, + const VkMemoryAllocateInfo& allocInfo, + bool map, + bool isUserDataString, + void* pUserData, + VmaAllocation* pAllocation); + + // Allocates and registers new VkDeviceMemory specifically for dedicated allocations. + VkResult AllocateDedicatedMemory( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + uint32_t memTypeIndex, + bool map, + bool isUserDataString, + bool canAliasMemory, + void* pUserData, + float priority, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, + VkImage dedicatedImage, + size_t allocationCount, + VmaAllocation* pAllocations, + const void* pNextChain = nullptr); + + void FreeDedicatedMemory(const VmaAllocation allocation); + + VkResult CalcMemTypeParams( + VmaAllocationCreateInfo& outCreateInfo, + uint32_t memTypeIndex, + VkDeviceSize size, + size_t allocationCount); + VkResult CalcAllocationParams( + VmaAllocationCreateInfo& outCreateInfo, + bool dedicatedRequired, + bool dedicatedPreferred); + + /* + Calculates and returns bit mask of memory types that can support defragmentation + on GPU as they support creation of required buffer for copy operations. + */ + uint32_t CalculateGpuDefragmentationMemoryTypeBits() const; + uint32_t CalculateGlobalMemoryTypeBits() const; + + bool GetFlushOrInvalidateRange( + VmaAllocation allocation, + VkDeviceSize offset, VkDeviceSize size, + VkMappedMemoryRange& outRange) const; + +#if VMA_MEMORY_BUDGET + void UpdateVulkanBudget(); +#endif // #if VMA_MEMORY_BUDGET +}; + + +#ifndef _VMA_MEMORY_FUNCTIONS +static void* VmaMalloc(VmaAllocator hAllocator, size_t size, size_t alignment) +{ + return VmaMalloc(&hAllocator->m_AllocationCallbacks, size, alignment); +} + +static void VmaFree(VmaAllocator hAllocator, void* ptr) +{ + VmaFree(&hAllocator->m_AllocationCallbacks, ptr); +} + +template +static T* VmaAllocate(VmaAllocator hAllocator) +{ + return (T*)VmaMalloc(hAllocator, sizeof(T), VMA_ALIGN_OF(T)); +} + +template +static T* VmaAllocateArray(VmaAllocator hAllocator, size_t count) +{ + return (T*)VmaMalloc(hAllocator, sizeof(T) * count, VMA_ALIGN_OF(T)); +} + +template +static void vma_delete(VmaAllocator hAllocator, T* ptr) +{ + if(ptr != VMA_NULL) + { + ptr->~T(); + VmaFree(hAllocator, ptr); + } +} + +template +static void vma_delete_array(VmaAllocator hAllocator, T* ptr, size_t count) +{ + if(ptr != VMA_NULL) + { + for(size_t i = count; i--; ) + ptr[i].~T(); + VmaFree(hAllocator, ptr); + } +} +#endif // _VMA_MEMORY_FUNCTIONS + +#ifndef _VMA_DEVICE_MEMORY_BLOCK_FUNCTIONS +VmaDeviceMemoryBlock::VmaDeviceMemoryBlock(VmaAllocator hAllocator) + : m_pMetadata(VMA_NULL), + m_MemoryTypeIndex(UINT32_MAX), + m_Id(0), + m_hMemory(VK_NULL_HANDLE), + m_MapCount(0), + m_pMappedData(VMA_NULL) {} + +VmaDeviceMemoryBlock::~VmaDeviceMemoryBlock() +{ + VMA_ASSERT(m_MapCount == 0 && "VkDeviceMemory block is being destroyed while it is still mapped."); + VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); +} + +void VmaDeviceMemoryBlock::Init( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t newMemoryTypeIndex, + VkDeviceMemory newMemory, + VkDeviceSize newSize, + uint32_t id, + uint32_t algorithm, + VkDeviceSize bufferImageGranularity) +{ + VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); + + m_hParentPool = hParentPool; + m_MemoryTypeIndex = newMemoryTypeIndex; + m_Id = id; + m_hMemory = newMemory; + + switch (algorithm) + { + case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Linear)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual + break; + case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Buddy)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual + break; + case VMA_POOL_CREATE_TLSF_ALGORITHM_BIT: + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_TLSF)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual + break; + default: + VMA_ASSERT(0); + // Fall-through. + case 0: + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Generic)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual + } + m_pMetadata->Init(newSize); +} + +void VmaDeviceMemoryBlock::Destroy(VmaAllocator allocator) +{ + // Define macro VMA_DEBUG_LOG to receive the list of the unfreed allocations + if (!m_pMetadata->IsEmpty()) + m_pMetadata->DebugLogAllAllocations(); + // This is the most important assert in the entire library. + // Hitting it means you have some memory leak - unreleased VmaAllocation objects. + VMA_ASSERT(m_pMetadata->IsEmpty() && "Some allocations were not freed before destruction of this memory block!"); + + VMA_ASSERT(m_hMemory != VK_NULL_HANDLE); + allocator->FreeVulkanMemory(m_MemoryTypeIndex, m_pMetadata->GetSize(), m_hMemory); + m_hMemory = VK_NULL_HANDLE; + + vma_delete(allocator, m_pMetadata); + m_pMetadata = VMA_NULL; +} + +bool VmaDeviceMemoryBlock::Validate() const +{ + VMA_VALIDATE((m_hMemory != VK_NULL_HANDLE) && + (m_pMetadata->GetSize() != 0)); + + return m_pMetadata->Validate(); +} + +VkResult VmaDeviceMemoryBlock::CheckCorruption(VmaAllocator hAllocator) +{ + void* pData = nullptr; + VkResult res = Map(hAllocator, 1, &pData); + if (res != VK_SUCCESS) + { + return res; + } + + res = m_pMetadata->CheckCorruption(pData); + + Unmap(hAllocator, 1); + + return res; +} + +VkResult VmaDeviceMemoryBlock::Map(VmaAllocator hAllocator, uint32_t count, void** ppData) +{ + if (count == 0) + { + return VK_SUCCESS; + } + + VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + if (m_MapCount != 0) + { + m_MapCount += count; + VMA_ASSERT(m_pMappedData != VMA_NULL); + if (ppData != VMA_NULL) + { + *ppData = m_pMappedData; + } + return VK_SUCCESS; + } + else + { + VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( + hAllocator->m_hDevice, + m_hMemory, + 0, // offset + VK_WHOLE_SIZE, + 0, // flags + &m_pMappedData); + if (result == VK_SUCCESS) + { + if (ppData != VMA_NULL) + { + *ppData = m_pMappedData; + } + m_MapCount = count; + } + return result; + } +} + +void VmaDeviceMemoryBlock::Unmap(VmaAllocator hAllocator, uint32_t count) +{ + if (count == 0) + { + return; + } + + VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + if (m_MapCount >= count) + { + m_MapCount -= count; + if (m_MapCount == 0) + { + m_pMappedData = VMA_NULL; + (*hAllocator->GetVulkanFunctions().vkUnmapMemory)(hAllocator->m_hDevice, m_hMemory); + } + } + else + { + VMA_ASSERT(0 && "VkDeviceMemory block is being unmapped while it was not previously mapped."); + } +} + +VkResult VmaDeviceMemoryBlock::WriteMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) +{ + VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); + + void* pData; + VkResult res = Map(hAllocator, 1, &pData); + if (res != VK_SUCCESS) + { + return res; + } + + VmaWriteMagicValue(pData, allocOffset + allocSize); + + Unmap(hAllocator, 1); + return VK_SUCCESS; +} + +VkResult VmaDeviceMemoryBlock::ValidateMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) +{ + VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); + + void* pData; + VkResult res = Map(hAllocator, 1, &pData); + if (res != VK_SUCCESS) + { + return res; + } + + if (!VmaValidateMagicValue(pData, allocOffset + allocSize)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER FREED ALLOCATION!"); + } + + Unmap(hAllocator, 1); + return VK_SUCCESS; +} + +VkResult VmaDeviceMemoryBlock::BindBufferMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext) +{ + VMA_ASSERT(hAllocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK && + hAllocation->GetBlock() == this); + VMA_ASSERT(allocationLocalOffset < hAllocation->GetSize() && + "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); + const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; + // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. + VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + return hAllocator->BindVulkanBuffer(m_hMemory, memoryOffset, hBuffer, pNext); +} + +VkResult VmaDeviceMemoryBlock::BindImageMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext) +{ + VMA_ASSERT(hAllocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK && + hAllocation->GetBlock() == this); + VMA_ASSERT(allocationLocalOffset < hAllocation->GetSize() && + "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); + const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; + // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. + VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + return hAllocator->BindVulkanImage(m_hMemory, memoryOffset, hImage, pNext); +} +#endif // _VMA_DEVICE_MEMORY_BLOCK_FUNCTIONS + +#ifndef _VMA_ALLOCATION_T_FUNCTIONS +VmaAllocation_T::VmaAllocation_T(bool userDataString) + : m_Alignment{ 1 }, + m_Size{ 0 }, + m_pUserData{ VMA_NULL }, + m_MemoryTypeIndex{ 0 }, + m_Type{ (uint8_t)ALLOCATION_TYPE_NONE }, + m_SuballocationType{ (uint8_t)VMA_SUBALLOCATION_TYPE_UNKNOWN }, + m_MapCount{ 0 }, + m_Flags{ userDataString ? (uint8_t)FLAG_USER_DATA_STRING : (uint8_t)0 } +{ +#if VMA_STATS_STRING_ENABLED + m_BufferImageUsage = 0; +#endif +} + +VmaAllocation_T::~VmaAllocation_T() +{ + VMA_ASSERT((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) == 0 && "Allocation was not unmapped before destruction."); + + // Check if owned string was freed. + VMA_ASSERT(m_pUserData == VMA_NULL); +} + +void VmaAllocation_T::InitBlockAllocation( + VmaDeviceMemoryBlock* block, + VmaAllocHandle allocHandle, + VkDeviceSize alignment, + VkDeviceSize size, + uint32_t memoryTypeIndex, + VmaSuballocationType suballocationType, + bool mapped) +{ + VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); + VMA_ASSERT(block != VMA_NULL); + m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; + m_Alignment = alignment; + m_Size = size; + m_MemoryTypeIndex = memoryTypeIndex; + m_MapCount = mapped ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; + m_SuballocationType = (uint8_t)suballocationType; + m_BlockAllocation.m_Block = block; + m_BlockAllocation.m_AllocHandle = allocHandle; +} + +void VmaAllocation_T::InitDedicatedAllocation( + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceMemory hMemory, + VmaSuballocationType suballocationType, + void* pMappedData, + VkDeviceSize size) +{ + VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); + VMA_ASSERT(hMemory != VK_NULL_HANDLE); + m_Type = (uint8_t)ALLOCATION_TYPE_DEDICATED; + m_Alignment = 0; + m_Size = size; + m_MemoryTypeIndex = memoryTypeIndex; + m_SuballocationType = (uint8_t)suballocationType; + m_MapCount = (pMappedData != VMA_NULL) ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; + m_DedicatedAllocation.m_hParentPool = hParentPool; + m_DedicatedAllocation.m_hMemory = hMemory; + m_DedicatedAllocation.m_pMappedData = pMappedData; + m_DedicatedAllocation.m_Prev = VMA_NULL; + m_DedicatedAllocation.m_Next = VMA_NULL; +} + +void VmaAllocation_T::SetUserData(VmaAllocator hAllocator, void* pUserData) +{ + if (IsUserDataString()) + { + VMA_ASSERT(pUserData == VMA_NULL || pUserData != m_pUserData); + + FreeUserDataString(hAllocator); + + if (pUserData != VMA_NULL) + { + m_pUserData = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), (const char*)pUserData); + } + } + else + { + m_pUserData = pUserData; + } +} + +void VmaAllocation_T::ChangeBlockAllocation( + VmaAllocator hAllocator, + VmaDeviceMemoryBlock* block, + VmaAllocHandle allocHandle) +{ + VMA_ASSERT(block != VMA_NULL); + VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); + + // Move mapping reference counter from old block to new block. + if (block != m_BlockAllocation.m_Block) + { + uint32_t mapRefCount = m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP; + if (IsPersistentMap()) + ++mapRefCount; + m_BlockAllocation.m_Block->Unmap(hAllocator, mapRefCount); + block->Map(hAllocator, mapRefCount, VMA_NULL); + } + + m_BlockAllocation.m_Block = block; + m_BlockAllocation.m_AllocHandle = allocHandle; +} + +void VmaAllocation_T::ChangeAllocHandle(VmaAllocHandle newAllocHandle) +{ + VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); + m_BlockAllocation.m_AllocHandle = newAllocHandle; +} + +VmaAllocHandle VmaAllocation_T::GetAllocHandle() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_AllocHandle; + case ALLOCATION_TYPE_DEDICATED: + return VK_NULL_HANDLE; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +VkDeviceSize VmaAllocation_T::GetOffset() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->m_pMetadata->GetAllocationOffset(m_BlockAllocation.m_AllocHandle); + case ALLOCATION_TYPE_DEDICATED: + return 0; + default: + VMA_ASSERT(0); + return 0; + } +} + +VmaPool VmaAllocation_T::GetParentPool() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->GetParentPool(); + case ALLOCATION_TYPE_DEDICATED: + return m_DedicatedAllocation.m_hParentPool; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +VkDeviceMemory VmaAllocation_T::GetMemory() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->GetDeviceMemory(); + case ALLOCATION_TYPE_DEDICATED: + return m_DedicatedAllocation.m_hMemory; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +void* VmaAllocation_T::GetMappedData() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + if (m_MapCount != 0) + { + void* pBlockData = m_BlockAllocation.m_Block->GetMappedData(); + VMA_ASSERT(pBlockData != VMA_NULL); + return (char*)pBlockData + GetOffset(); + } + else + { + return VMA_NULL; + } + break; + case ALLOCATION_TYPE_DEDICATED: + VMA_ASSERT((m_DedicatedAllocation.m_pMappedData != VMA_NULL) == (m_MapCount != 0)); + return m_DedicatedAllocation.m_pMappedData; + default: + VMA_ASSERT(0); + return VMA_NULL; + } +} + +void VmaAllocation_T::DedicatedAllocCalcStatsInfo(VmaStatInfo& outInfo) +{ + VMA_ASSERT(m_Type == ALLOCATION_TYPE_DEDICATED); + outInfo.blockCount = 1; + outInfo.allocationCount = 1; + outInfo.unusedRangeCount = 0; + outInfo.usedBytes = m_Size; + outInfo.unusedBytes = 0; + outInfo.allocationSizeMin = outInfo.allocationSizeMax = m_Size; + outInfo.unusedRangeSizeMin = UINT64_MAX; + outInfo.unusedRangeSizeMax = 0; +} + +void VmaAllocation_T::BlockAllocMap() +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); + + if ((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) + { + ++m_MapCount; + } + else + { + VMA_ASSERT(0 && "Allocation mapped too many times simultaneously."); + } +} + +void VmaAllocation_T::BlockAllocUnmap() +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); + + if ((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) + { + --m_MapCount; + } + else + { + VMA_ASSERT(0 && "Unmapping allocation not previously mapped."); + } +} + +VkResult VmaAllocation_T::DedicatedAllocMap(VmaAllocator hAllocator, void** ppData) +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); + + if (m_MapCount != 0) + { + if ((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) + { + VMA_ASSERT(m_DedicatedAllocation.m_pMappedData != VMA_NULL); + *ppData = m_DedicatedAllocation.m_pMappedData; + ++m_MapCount; + return VK_SUCCESS; + } + else + { + VMA_ASSERT(0 && "Dedicated allocation mapped too many times simultaneously."); + return VK_ERROR_MEMORY_MAP_FAILED; + } + } + else + { + VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( + hAllocator->m_hDevice, + m_DedicatedAllocation.m_hMemory, + 0, // offset + VK_WHOLE_SIZE, + 0, // flags + ppData); + if (result == VK_SUCCESS) + { + m_DedicatedAllocation.m_pMappedData = *ppData; + m_MapCount = 1; + } + return result; + } +} + +void VmaAllocation_T::DedicatedAllocUnmap(VmaAllocator hAllocator) +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); + + if ((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) + { + --m_MapCount; + if (m_MapCount == 0) + { + m_DedicatedAllocation.m_pMappedData = VMA_NULL; + (*hAllocator->GetVulkanFunctions().vkUnmapMemory)( + hAllocator->m_hDevice, + m_DedicatedAllocation.m_hMemory); + } + } + else + { + VMA_ASSERT(0 && "Unmapping dedicated allocation not previously mapped."); + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaAllocation_T::InitBufferImageUsage(uint32_t bufferImageUsage) +{ + VMA_ASSERT(m_BufferImageUsage == 0); + m_BufferImageUsage = bufferImageUsage; +} + +void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const +{ + json.WriteString("Type"); + json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[m_SuballocationType]); + + json.WriteString("Size"); + json.WriteNumber(m_Size); + + if (m_pUserData != VMA_NULL) + { + json.WriteString("UserData"); + if (IsUserDataString()) + { + json.WriteString((const char*)m_pUserData); + } + else + { + json.BeginString(); + json.ContinueString_Pointer(m_pUserData); + json.EndString(); + } + } + + if (m_BufferImageUsage != 0) + { + json.WriteString("Usage"); + json.WriteNumber(m_BufferImageUsage); + } +} +#endif // VMA_STATS_STRING_ENABLED + +void VmaAllocation_T::FreeUserDataString(VmaAllocator hAllocator) +{ + VMA_ASSERT(IsUserDataString()); + VmaFreeString(hAllocator->GetAllocationCallbacks(), (char*)m_pUserData); + m_pUserData = VMA_NULL; +} +#endif // _VMA_ALLOCATION_T_FUNCTIONS + +#ifndef _VMA_BLOCK_VECTOR_FUNCTIONS +VmaBlockVector::VmaBlockVector( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceSize preferredBlockSize, + size_t minBlockCount, + size_t maxBlockCount, + VkDeviceSize bufferImageGranularity, + bool explicitBlockSize, + uint32_t algorithm, + float priority, + VkDeviceSize minAllocationAlignment, + void* pMemoryAllocateNext) + : m_hAllocator(hAllocator), + m_hParentPool(hParentPool), + m_MemoryTypeIndex(memoryTypeIndex), + m_PreferredBlockSize(preferredBlockSize), + m_MinBlockCount(minBlockCount), + m_MaxBlockCount(maxBlockCount), + m_BufferImageGranularity(bufferImageGranularity), + m_ExplicitBlockSize(explicitBlockSize), + m_Algorithm(algorithm), + m_Priority(priority), + m_MinAllocationAlignment(minAllocationAlignment), + m_pMemoryAllocateNext(pMemoryAllocateNext), + m_HasEmptyBlock(false), + m_Blocks(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), + m_NextBlockId(0) {} + +VmaBlockVector::~VmaBlockVector() +{ + for (size_t i = m_Blocks.size(); i--; ) + { + m_Blocks[i]->Destroy(m_hAllocator); + vma_delete(m_hAllocator, m_Blocks[i]); + } +} + +VkResult VmaBlockVector::CreateMinBlocks() +{ + for (size_t i = 0; i < m_MinBlockCount; ++i) + { + VkResult res = CreateBlock(m_PreferredBlockSize, VMA_NULL); + if (res != VK_SUCCESS) + { + return res; + } + } + return VK_SUCCESS; +} + +void VmaBlockVector::AddPoolStats(VmaPoolStats* pStats) +{ + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + + const size_t blockCount = m_Blocks.size(); + pStats->blockCount += blockCount; + + for (uint32_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pBlock); + VMA_HEAVY_ASSERT(pBlock->Validate()); + pBlock->m_pMetadata->AddPoolStats(*pStats); + } +} + +bool VmaBlockVector::IsEmpty() +{ + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + return m_Blocks.empty(); +} + +bool VmaBlockVector::IsCorruptionDetectionEnabled() const +{ + const uint32_t requiredMemFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; + return (VMA_DEBUG_DETECT_CORRUPTION != 0) && + (VMA_DEBUG_MARGIN > 0) && + (m_Algorithm == 0 || m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) && + (m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags & requiredMemFlags) == requiredMemFlags; +} + +VkResult VmaBlockVector::Allocate( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations) +{ + size_t allocIndex; + VkResult res = VK_SUCCESS; + + alignment = VMA_MAX(alignment, m_MinAllocationAlignment); + + if (IsCorruptionDetectionEnabled()) + { + size = VmaAlignUp(size, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); + alignment = VmaAlignUp(alignment, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); + } + + { + VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); + for (allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + res = AllocatePage( + size, + alignment, + createInfo, + suballocType, + pAllocations + allocIndex); + if (res != VK_SUCCESS) + { + break; + } + } + } + + if (res != VK_SUCCESS) + { + // Free all already created allocations. + const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); + while (allocIndex--) + { + VmaAllocation_T* const alloc = pAllocations[allocIndex]; + const VkDeviceSize allocSize = alloc->GetSize(); + Free(alloc); + m_hAllocator->m_Budget.RemoveAllocation(heapIndex, allocSize); + } + memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); + } + + return res; +} + +VkResult VmaBlockVector::AllocatePage( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + VmaAllocation* pAllocation) +{ + const bool isUpperAddress = (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; + const bool mapped = (createInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; + const bool isUserDataString = (createInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; + + VkDeviceSize freeMemory; + { + const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); + VmaBudget heapBudget = {}; + m_hAllocator->GetHeapBudgets(&heapBudget, heapIndex, 1); + freeMemory = (heapBudget.usage < heapBudget.budget) ? (heapBudget.budget - heapBudget.usage) : 0; + } + + const bool canFallbackToDedicated = !HasExplicitBlockSize() && + (createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0; + const bool canCreateNewBlock = + ((createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0) && + (m_Blocks.size() < m_MaxBlockCount) && + (freeMemory >= size || !canFallbackToDedicated); + uint32_t strategy = createInfo.flags & VMA_ALLOCATION_CREATE_STRATEGY_MASK; + + // Upper address can only be used with linear allocator and within single memory block. + if (isUpperAddress && + (m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT || m_MaxBlockCount > 1)) + { + return VK_ERROR_FEATURE_NOT_PRESENT; + } + + // Early reject: requested allocation size is larger that maximum block size for this block vector. + if (size + VMA_DEBUG_MARGIN > m_PreferredBlockSize) + { + return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + + // 1. Search existing allocations. Try to allocate. + if (m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) + { + // Use only last block. + if (!m_Blocks.empty()) + { + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks.back(); + VMA_ASSERT(pCurrBlock); + VkResult res = AllocateFromBlock( + pCurrBlock, + size, + alignment, + createInfo.flags, + createInfo.pUserData, + suballocType, + strategy, + pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Returned from last block #%u", pCurrBlock->GetId()); + return VK_SUCCESS; + } + } + } + else + { + if (strategy != VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT) // MIN_MEMORY or default + { + // Forward order in m_Blocks - prefer blocks with smallest amount of free space. + for (size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + { + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pCurrBlock); + VkResult res = AllocateFromBlock( + pCurrBlock, + size, + alignment, + createInfo.flags, + createInfo.pUserData, + suballocType, + strategy, + pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); + return VK_SUCCESS; + } + } + } + else // VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT + { + // Backward order in m_Blocks - prefer blocks with largest amount of free space. + for (size_t blockIndex = m_Blocks.size(); blockIndex--; ) + { + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pCurrBlock); + VkResult res = AllocateFromBlock( + pCurrBlock, + size, + alignment, + createInfo.flags, + createInfo.pUserData, + suballocType, + strategy, + pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); + return VK_SUCCESS; + } + } + } + } + + // 2. Try to create new block. + if (canCreateNewBlock) + { + // Calculate optimal size for new block. + VkDeviceSize newBlockSize = m_PreferredBlockSize; + uint32_t newBlockSizeShift = 0; + const uint32_t NEW_BLOCK_SIZE_SHIFT_MAX = 3; + + if (!m_ExplicitBlockSize) + { + // Allocate 1/8, 1/4, 1/2 as first blocks. + const VkDeviceSize maxExistingBlockSize = CalcMaxBlockSize(); + for (uint32_t i = 0; i < NEW_BLOCK_SIZE_SHIFT_MAX; ++i) + { + const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; + if (smallerNewBlockSize > maxExistingBlockSize && smallerNewBlockSize >= size * 2) + { + newBlockSize = smallerNewBlockSize; + ++newBlockSizeShift; + } + else + { + break; + } + } + } + + size_t newBlockIndex = 0; + VkResult res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? + CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; + // Allocation of this size failed? Try 1/2, 1/4, 1/8 of m_PreferredBlockSize. + if (!m_ExplicitBlockSize) + { + while (res < 0 && newBlockSizeShift < NEW_BLOCK_SIZE_SHIFT_MAX) + { + const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; + if (smallerNewBlockSize >= size) + { + newBlockSize = smallerNewBlockSize; + ++newBlockSizeShift; + res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? + CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + else + { + break; + } + } + } + + if (res == VK_SUCCESS) + { + VmaDeviceMemoryBlock* const pBlock = m_Blocks[newBlockIndex]; + VMA_ASSERT(pBlock->m_pMetadata->GetSize() >= size); + + res = AllocateFromBlock( + pBlock, + size, + alignment, + createInfo.flags, + createInfo.pUserData, + suballocType, + strategy, + pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Created new block #%u Size=%llu", pBlock->GetId(), newBlockSize); + return VK_SUCCESS; + } + else + { + // Allocation from new block failed, possibly due to VMA_DEBUG_MARGIN or alignment. + return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + } + } + + return VK_ERROR_OUT_OF_DEVICE_MEMORY; +} + +void VmaBlockVector::Free( + const VmaAllocation hAllocation) +{ + VmaDeviceMemoryBlock* pBlockToDelete = VMA_NULL; + + bool budgetExceeded = false; + { + const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); + VmaBudget heapBudget = {}; + m_hAllocator->GetHeapBudgets(&heapBudget, heapIndex, 1); + budgetExceeded = heapBudget.usage >= heapBudget.budget; + } + + // Scope for lock. + { + VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); + + VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); + + if (IsCorruptionDetectionEnabled()) + { + VkResult res = pBlock->ValidateMagicValueAfterAllocation(m_hAllocator, hAllocation->GetOffset(), hAllocation->GetSize()); + VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to validate magic value."); + } + + if (hAllocation->IsPersistentMap()) + { + pBlock->Unmap(m_hAllocator, 1); + } + + pBlock->m_pMetadata->Free(hAllocation->GetAllocHandle()); + VMA_HEAVY_ASSERT(pBlock->Validate()); + + VMA_DEBUG_LOG(" Freed from MemoryTypeIndex=%u", m_MemoryTypeIndex); + + const bool canDeleteBlock = m_Blocks.size() > m_MinBlockCount; + // pBlock became empty after this deallocation. + if (pBlock->m_pMetadata->IsEmpty()) + { + // Already has empty block. We don't want to have two, so delete this one. + if ((m_HasEmptyBlock || budgetExceeded) && canDeleteBlock) + { + pBlockToDelete = pBlock; + Remove(pBlock); + } + // else: We now have an empty block - leave it. + } + // pBlock didn't become empty, but we have another empty block - find and free that one. + // (This is optional, heuristics.) + else if (m_HasEmptyBlock && canDeleteBlock) + { + VmaDeviceMemoryBlock* pLastBlock = m_Blocks.back(); + if (pLastBlock->m_pMetadata->IsEmpty()) + { + pBlockToDelete = pLastBlock; + m_Blocks.pop_back(); + } + } + + UpdateHasEmptyBlock(); + IncrementallySortBlocks(); + } + + // Destruction of a free block. Deferred until this point, outside of mutex + // lock, for performance reason. + if (pBlockToDelete != VMA_NULL) + { + VMA_DEBUG_LOG(" Deleted empty block #%u", pBlockToDelete->GetId()); + pBlockToDelete->Destroy(m_hAllocator); + vma_delete(m_hAllocator, pBlockToDelete); + } +} + +VkDeviceSize VmaBlockVector::CalcMaxBlockSize() const +{ + VkDeviceSize result = 0; + for (size_t i = m_Blocks.size(); i--; ) + { + result = VMA_MAX(result, m_Blocks[i]->m_pMetadata->GetSize()); + if (result >= m_PreferredBlockSize) + { + break; + } + } + return result; +} + +void VmaBlockVector::Remove(VmaDeviceMemoryBlock* pBlock) +{ + for (uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + { + if (m_Blocks[blockIndex] == pBlock) + { + VmaVectorRemove(m_Blocks, blockIndex); + return; + } + } + VMA_ASSERT(0); +} + +void VmaBlockVector::IncrementallySortBlocks() +{ + if (m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) + { + // Bubble sort only until first swap. + for (size_t i = 1; i < m_Blocks.size(); ++i) + { + if (m_Blocks[i - 1]->m_pMetadata->GetSumFreeSize() > m_Blocks[i]->m_pMetadata->GetSumFreeSize()) + { + VMA_SWAP(m_Blocks[i - 1], m_Blocks[i]); + return; + } + } + } +} + +VkResult VmaBlockVector::AllocateFromBlock( + VmaDeviceMemoryBlock* pBlock, + VkDeviceSize size, + VkDeviceSize alignment, + VmaAllocationCreateFlags allocFlags, + void* pUserData, + VmaSuballocationType suballocType, + uint32_t strategy, + VmaAllocation* pAllocation) +{ + const bool isUpperAddress = (allocFlags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; + const bool mapped = (allocFlags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; + const bool isUserDataString = (allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; + + VmaAllocationRequest currRequest = {}; + if (pBlock->m_pMetadata->CreateAllocationRequest( + size, + alignment, + isUpperAddress, + suballocType, + strategy, + &currRequest)) + { + // Allocate from pCurrBlock. + if (mapped) + { + VkResult res = pBlock->Map(m_hAllocator, 1, VMA_NULL); + if (res != VK_SUCCESS) + { + return res; + } + } + + *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(isUserDataString); + pBlock->m_pMetadata->Alloc(currRequest, suballocType, *pAllocation); + UpdateHasEmptyBlock(); + (*pAllocation)->InitBlockAllocation( + pBlock, + currRequest.allocHandle, + alignment, + currRequest.size, // Not size, as actual allocation size may be larger than requested! + m_MemoryTypeIndex, + suballocType, + mapped); + VMA_HEAVY_ASSERT(pBlock->Validate()); + (*pAllocation)->SetUserData(m_hAllocator, pUserData); + m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), currRequest.size); + if (VMA_DEBUG_INITIALIZE_ALLOCATIONS) + { + m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); + } + if (IsCorruptionDetectionEnabled()) + { + VkResult res = pBlock->WriteMagicValueAfterAllocation(m_hAllocator, (*pAllocation)->GetOffset(), currRequest.size); + VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); + } + return VK_SUCCESS; + } + return VK_ERROR_OUT_OF_DEVICE_MEMORY; +} + +VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex) +{ + VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; + allocInfo.pNext = m_pMemoryAllocateNext; + allocInfo.memoryTypeIndex = m_MemoryTypeIndex; + allocInfo.allocationSize = blockSize; + +#if VMA_BUFFER_DEVICE_ADDRESS + // Every standalone block can potentially contain a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT - always enable the feature. + VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; + if (m_hAllocator->m_UseKhrBufferDeviceAddress) + { + allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; + VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); + } +#endif // VMA_BUFFER_DEVICE_ADDRESS + +#if VMA_MEMORY_PRIORITY + VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; + if (m_hAllocator->m_UseExtMemoryPriority) + { + priorityInfo.priority = m_Priority; + VmaPnextChainPushFront(&allocInfo, &priorityInfo); + } +#endif // VMA_MEMORY_PRIORITY + +#if VMA_EXTERNAL_MEMORY + // Attach VkExportMemoryAllocateInfoKHR if necessary. + VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; + exportMemoryAllocInfo.handleTypes = m_hAllocator->GetExternalMemoryHandleTypeFlags(m_MemoryTypeIndex); + if (exportMemoryAllocInfo.handleTypes != 0) + { + VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); + } +#endif // VMA_EXTERNAL_MEMORY + + VkDeviceMemory mem = VK_NULL_HANDLE; + VkResult res = m_hAllocator->AllocateVulkanMemory(&allocInfo, &mem); + if (res < 0) + { + return res; + } + + // New VkDeviceMemory successfully created. + + // Create new Allocation for it. + VmaDeviceMemoryBlock* const pBlock = vma_new(m_hAllocator, VmaDeviceMemoryBlock)(m_hAllocator); + pBlock->Init( + m_hAllocator, + m_hParentPool, + m_MemoryTypeIndex, + mem, + allocInfo.allocationSize, + m_NextBlockId++, + m_Algorithm, + m_BufferImageGranularity); + + m_Blocks.push_back(pBlock); + if (pNewBlockIndex != VMA_NULL) + { + *pNewBlockIndex = m_Blocks.size() - 1; + } + + return VK_SUCCESS; +} + +void VmaBlockVector::ApplyDefragmentationMovesCpu( + VmaBlockVectorDefragmentationContext* pDefragCtx, + const VmaVector>& moves) +{ + const size_t blockCount = m_Blocks.size(); + const bool isNonCoherent = m_hAllocator->IsMemoryTypeNonCoherent(m_MemoryTypeIndex); + + enum BLOCK_FLAG + { + BLOCK_FLAG_USED = 0x00000001, + BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION = 0x00000002, + }; + + struct BlockInfo + { + uint32_t flags; + void* pMappedData; + }; + VmaVector< BlockInfo, VmaStlAllocator > + blockInfo(blockCount, BlockInfo(), VmaStlAllocator(m_hAllocator->GetAllocationCallbacks())); + memset(blockInfo.data(), 0, blockCount * sizeof(BlockInfo)); + + // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. + const size_t moveCount = moves.size(); + for (size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + { + const VmaDefragmentationMove& move = moves[moveIndex]; + blockInfo[move.srcBlockIndex].flags |= BLOCK_FLAG_USED; + blockInfo[move.dstBlockIndex].flags |= BLOCK_FLAG_USED; + } + + VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); + + // Go over all blocks. Get mapped pointer or map if necessary. + for (size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) + { + BlockInfo& currBlockInfo = blockInfo[blockIndex]; + VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; + if ((currBlockInfo.flags & BLOCK_FLAG_USED) != 0) + { + currBlockInfo.pMappedData = pBlock->GetMappedData(); + // It is not originally mapped - map it. + if (currBlockInfo.pMappedData == VMA_NULL) + { + pDefragCtx->res = pBlock->Map(m_hAllocator, 1, &currBlockInfo.pMappedData); + if (pDefragCtx->res == VK_SUCCESS) + { + currBlockInfo.flags |= BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION; + } + } + } + } + + // Go over all moves. Do actual data transfer. + if (pDefragCtx->res == VK_SUCCESS) + { + const VkDeviceSize nonCoherentAtomSize = m_hAllocator->m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; + VkMappedMemoryRange memRange = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE }; + + for (size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + { + const VmaDefragmentationMove& move = moves[moveIndex]; + + const BlockInfo& srcBlockInfo = blockInfo[move.srcBlockIndex]; + const BlockInfo& dstBlockInfo = blockInfo[move.dstBlockIndex]; + + VMA_ASSERT(srcBlockInfo.pMappedData && dstBlockInfo.pMappedData); + + // Invalidate source. + if (isNonCoherent) + { + VmaDeviceMemoryBlock* const pSrcBlock = m_Blocks[move.srcBlockIndex]; + memRange.memory = pSrcBlock->GetDeviceMemory(); + memRange.offset = VmaAlignDown(move.srcOffset, nonCoherentAtomSize); + memRange.size = VMA_MIN( + VmaAlignUp(move.size + (move.srcOffset - memRange.offset), nonCoherentAtomSize), + pSrcBlock->m_pMetadata->GetSize() - memRange.offset); + (*m_hAllocator->GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); + } + + // THE PLACE WHERE ACTUAL DATA COPY HAPPENS. + memmove( + reinterpret_cast(dstBlockInfo.pMappedData) + move.dstOffset, + reinterpret_cast(srcBlockInfo.pMappedData) + move.srcOffset, + static_cast(move.size)); + + if (IsCorruptionDetectionEnabled()) + { + VmaWriteMagicValue(dstBlockInfo.pMappedData, move.dstOffset + move.size); + } + + // Flush destination. + if (isNonCoherent) + { + VmaDeviceMemoryBlock* const pDstBlock = m_Blocks[move.dstBlockIndex]; + memRange.memory = pDstBlock->GetDeviceMemory(); + memRange.offset = VmaAlignDown(move.dstOffset, nonCoherentAtomSize); + memRange.size = VMA_MIN( + VmaAlignUp(move.size + (move.dstOffset - memRange.offset), nonCoherentAtomSize), + pDstBlock->m_pMetadata->GetSize() - memRange.offset); + (*m_hAllocator->GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); + } + } + } + + // Go over all blocks in reverse order. Unmap those that were mapped just for defragmentation. + // Regardless of pCtx->res == VK_SUCCESS. + for (size_t blockIndex = blockCount; blockIndex--; ) + { + const BlockInfo& currBlockInfo = blockInfo[blockIndex]; + if ((currBlockInfo.flags & BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION) != 0) + { + VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; + pBlock->Unmap(m_hAllocator, 1); + } + } +} + +void VmaBlockVector::ApplyDefragmentationMovesGpu( + VmaBlockVectorDefragmentationContext* pDefragCtx, + VmaVector>& moves, + VkCommandBuffer commandBuffer) +{ + const size_t blockCount = m_Blocks.size(); + + pDefragCtx->blockContexts.resize(blockCount); + memset(pDefragCtx->blockContexts.data(), 0, blockCount * sizeof(VmaBlockDefragmentationContext)); + + // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. + const size_t moveCount = moves.size(); + for (size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + { + const VmaDefragmentationMove& move = moves[moveIndex]; + + //if(move.type == VMA_ALLOCATION_TYPE_UNKNOWN) + { + // Old school move still require us to map the whole block + pDefragCtx->blockContexts[move.srcBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; + pDefragCtx->blockContexts[move.dstBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; + } + } + + VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); + + // Go over all blocks. Create and bind buffer for whole block if necessary. + { + VkBufferCreateInfo bufCreateInfo; + VmaFillGpuDefragmentationBufferCreateInfo(bufCreateInfo); + + for (size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) + { + VmaBlockDefragmentationContext& currBlockCtx = pDefragCtx->blockContexts[blockIndex]; + VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; + if ((currBlockCtx.flags & VmaBlockDefragmentationContext::BLOCK_FLAG_USED) != 0) + { + bufCreateInfo.size = pBlock->m_pMetadata->GetSize(); + pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkCreateBuffer)( + m_hAllocator->m_hDevice, &bufCreateInfo, m_hAllocator->GetAllocationCallbacks(), &currBlockCtx.hBuffer); + if (pDefragCtx->res == VK_SUCCESS) + { + pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkBindBufferMemory)( + m_hAllocator->m_hDevice, currBlockCtx.hBuffer, pBlock->GetDeviceMemory(), 0); + } + } + } + } + + // Go over all moves. Post data transfer commands to command buffer. + if (pDefragCtx->res == VK_SUCCESS) + { + for (size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + { + const VmaDefragmentationMove& move = moves[moveIndex]; + + const VmaBlockDefragmentationContext& srcBlockCtx = pDefragCtx->blockContexts[move.srcBlockIndex]; + const VmaBlockDefragmentationContext& dstBlockCtx = pDefragCtx->blockContexts[move.dstBlockIndex]; + + VMA_ASSERT(srcBlockCtx.hBuffer && dstBlockCtx.hBuffer); + + VkBufferCopy region = { + move.srcOffset, + move.dstOffset, + move.size }; + (*m_hAllocator->GetVulkanFunctions().vkCmdCopyBuffer)( + commandBuffer, srcBlockCtx.hBuffer, dstBlockCtx.hBuffer, 1, ®ion); + } + } + + // Save buffers to defrag context for later destruction. + if (pDefragCtx->res == VK_SUCCESS && moveCount > 0) + { + pDefragCtx->res = VK_NOT_READY; + } +} + +void VmaBlockVector::FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats) +{ + for (size_t blockIndex = m_Blocks.size(); blockIndex--; ) + { + VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; + if (pBlock->m_pMetadata->IsEmpty()) + { + if (m_Blocks.size() > m_MinBlockCount) + { + if (pDefragmentationStats != VMA_NULL) + { + ++pDefragmentationStats->deviceMemoryBlocksFreed; + pDefragmentationStats->bytesFreed += pBlock->m_pMetadata->GetSize(); + } + + VmaVectorRemove(m_Blocks, blockIndex); + pBlock->Destroy(m_hAllocator); + vma_delete(m_hAllocator, pBlock); + } + else + { + break; + } + } + } + UpdateHasEmptyBlock(); +} + +void VmaBlockVector::UpdateHasEmptyBlock() +{ + m_HasEmptyBlock = false; + for (size_t index = 0, count = m_Blocks.size(); index < count; ++index) + { + VmaDeviceMemoryBlock* const pBlock = m_Blocks[index]; + if (pBlock->m_pMetadata->IsEmpty()) + { + m_HasEmptyBlock = true; + break; + } + } +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockVector::PrintDetailedMap(class VmaJsonWriter& json) +{ + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + + if (IsCustomPool()) + { + const char* poolName = m_hParentPool->GetName(); + if (poolName != VMA_NULL && poolName[0] != '\0') + { + json.WriteString("Name"); + json.WriteString(poolName); + } + + json.WriteString("MemoryTypeIndex"); + json.WriteNumber(m_MemoryTypeIndex); + + json.WriteString("BlockSize"); + json.WriteNumber(m_PreferredBlockSize); + + json.WriteString("BlockCount"); + json.BeginObject(true); + if (m_MinBlockCount > 0) + { + json.WriteString("Min"); + json.WriteNumber((uint64_t)m_MinBlockCount); + } + if (m_MaxBlockCount < SIZE_MAX) + { + json.WriteString("Max"); + json.WriteNumber((uint64_t)m_MaxBlockCount); + } + json.WriteString("Cur"); + json.WriteNumber((uint64_t)m_Blocks.size()); + json.EndObject(); + + if (m_Algorithm != 0) + { + json.WriteString("Algorithm"); + json.WriteString(VmaAlgorithmToStr(m_Algorithm)); + } + } + else + { + json.WriteString("PreferredBlockSize"); + json.WriteNumber(m_PreferredBlockSize); + } + + json.WriteString("Blocks"); + json.BeginObject(); + for (size_t i = 0; i < m_Blocks.size(); ++i) + { + json.BeginString(); + json.ContinueString(m_Blocks[i]->GetId()); + json.EndString(); + + m_Blocks[i]->m_pMetadata->PrintDetailedMap(json); + } + json.EndObject(); +} +#endif // VMA_STATS_STRING_ENABLED + +void VmaBlockVector::Defragment( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags, + VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, + VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, + VkCommandBuffer commandBuffer) +{ + pCtx->res = VK_SUCCESS; + + const VkMemoryPropertyFlags memPropFlags = + m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags; + const bool isHostVisible = (memPropFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0; + + const bool canDefragmentOnCpu = maxCpuBytesToMove > 0 && maxCpuAllocationsToMove > 0 && + isHostVisible; + const bool canDefragmentOnGpu = maxGpuBytesToMove > 0 && maxGpuAllocationsToMove > 0 && + !IsCorruptionDetectionEnabled() && + ((1u << m_MemoryTypeIndex) & m_hAllocator->GetGpuDefragmentationMemoryTypeBits()) != 0; + + // There are options to defragment this memory type. + if (canDefragmentOnCpu || canDefragmentOnGpu) + { + bool defragmentOnGpu; + // There is only one option to defragment this memory type. + if (canDefragmentOnGpu != canDefragmentOnCpu) + { + defragmentOnGpu = canDefragmentOnGpu; + } + // Both options are available: Heuristics to choose the best one. + else + { + defragmentOnGpu = (memPropFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0 || + m_hAllocator->IsIntegratedGpu(); + } + + bool overlappingMoveSupported = !defragmentOnGpu; + + if (m_hAllocator->m_UseMutex) + { + if (flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) + { + if (!m_Mutex.TryLockWrite()) + { + pCtx->res = VK_ERROR_INITIALIZATION_FAILED; + return; + } + } + else + { + m_Mutex.LockWrite(); + pCtx->mutexLocked = true; + } + } + + pCtx->Begin(overlappingMoveSupported, flags); + + // Defragment. + + const VkDeviceSize maxBytesToMove = defragmentOnGpu ? maxGpuBytesToMove : maxCpuBytesToMove; + const uint32_t maxAllocationsToMove = defragmentOnGpu ? maxGpuAllocationsToMove : maxCpuAllocationsToMove; + VmaDefragmentationAlgorithm* algo = pCtx->GetAlgorithm(); + pCtx->res = algo->Defragment(pCtx->defragmentationMoves, maxBytesToMove, maxAllocationsToMove, flags); + + // Accumulate statistics. + if (pStats != VMA_NULL) + { + const VkDeviceSize bytesMoved = algo->GetBytesMoved(); + const uint32_t allocationsMoved = algo->GetAllocationsMoved(); + pStats->bytesMoved += bytesMoved; + pStats->allocationsMoved += allocationsMoved; + VMA_ASSERT(bytesMoved <= maxBytesToMove); + VMA_ASSERT(allocationsMoved <= maxAllocationsToMove); + if (defragmentOnGpu) + { + maxGpuBytesToMove -= bytesMoved; + maxGpuAllocationsToMove -= allocationsMoved; + } + else + { + maxCpuBytesToMove -= bytesMoved; + maxCpuAllocationsToMove -= allocationsMoved; + } + } + + if (flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) + { + if (m_hAllocator->m_UseMutex) + m_Mutex.UnlockWrite(); + + if (pCtx->res >= VK_SUCCESS && !pCtx->defragmentationMoves.empty()) + pCtx->res = VK_NOT_READY; + + return; + } + + if (pCtx->res >= VK_SUCCESS) + { + if (defragmentOnGpu) + { + ApplyDefragmentationMovesGpu(pCtx, pCtx->defragmentationMoves, commandBuffer); + } + else + { + ApplyDefragmentationMovesCpu(pCtx, pCtx->defragmentationMoves); + } + } + } +} + +void VmaBlockVector::DefragmentationEnd( + class VmaBlockVectorDefragmentationContext* pCtx, + uint32_t flags, + VmaDefragmentationStats* pStats) +{ + if (flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL && m_hAllocator->m_UseMutex) + { + VMA_ASSERT(pCtx->mutexLocked == false); + + // Incremental defragmentation doesn't hold the lock, so when we enter here we don't actually have any + // lock protecting us. Since we mutate state here, we have to take the lock out now + m_Mutex.LockWrite(); + pCtx->mutexLocked = true; + } + + // If the mutex isn't locked we didn't do any work and there is nothing to delete. + if (pCtx->mutexLocked || !m_hAllocator->m_UseMutex) + { + // Destroy buffers. + for (size_t blockIndex = pCtx->blockContexts.size(); blockIndex--;) + { + VmaBlockDefragmentationContext& blockCtx = pCtx->blockContexts[blockIndex]; + if (blockCtx.hBuffer) + { + (*m_hAllocator->GetVulkanFunctions().vkDestroyBuffer)(m_hAllocator->m_hDevice, blockCtx.hBuffer, m_hAllocator->GetAllocationCallbacks()); + } + } + + if (pCtx->res >= VK_SUCCESS) + { + FreeEmptyBlocks(pStats); + } + } + + if (pCtx->mutexLocked) + { + VMA_ASSERT(m_hAllocator->m_UseMutex); + m_Mutex.UnlockWrite(); + } +} + +uint32_t VmaBlockVector::ProcessDefragmentations( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationPassMoveInfo* pMove, uint32_t maxMoves) +{ + VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); + + const uint32_t moveCount = VMA_MIN(uint32_t(pCtx->defragmentationMoves.size()) - pCtx->defragmentationMovesProcessed, maxMoves); + + for (uint32_t i = 0; i < moveCount; ++i) + { + VmaDefragmentationMove& move = pCtx->defragmentationMoves[pCtx->defragmentationMovesProcessed + i]; + + pMove->allocation = move.hAllocation; + pMove->memory = move.pDstBlock->GetDeviceMemory(); + pMove->offset = move.dstOffset; + + ++pMove; + } + + pCtx->defragmentationMovesProcessed += moveCount; + + return moveCount; +} + +void VmaBlockVector::CommitDefragmentations( + class VmaBlockVectorDefragmentationContext* pCtx, + VmaDefragmentationStats* pStats) +{ + VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); + + for (uint32_t i = pCtx->defragmentationMovesCommitted; i < pCtx->defragmentationMovesProcessed; ++i) + { + const VmaDefragmentationMove& move = pCtx->defragmentationMoves[i]; + + move.pSrcBlock->m_pMetadata->Free(move.hAllocation->GetAllocHandle()); + move.hAllocation->ChangeBlockAllocation(m_hAllocator, move.pDstBlock, move.dstHandle); + } + + pCtx->defragmentationMovesCommitted = pCtx->defragmentationMovesProcessed; + FreeEmptyBlocks(pStats); +} + +size_t VmaBlockVector::CalcAllocationCount() const +{ + size_t result = 0; + for (size_t i = 0; i < m_Blocks.size(); ++i) + { + result += m_Blocks[i]->m_pMetadata->GetAllocationCount(); + } + return result; +} + +bool VmaBlockVector::IsBufferImageGranularityConflictPossible() const +{ + if (m_BufferImageGranularity == 1) + { + return false; + } + VmaSuballocationType lastSuballocType = VMA_SUBALLOCATION_TYPE_FREE; + for (size_t i = 0, count = m_Blocks.size(); i < count; ++i) + { + VmaDeviceMemoryBlock* const pBlock = m_Blocks[i]; + VMA_ASSERT(m_Algorithm == 0); + VmaBlockMetadata_Generic* const pMetadata = (VmaBlockMetadata_Generic*)pBlock->m_pMetadata; + if (pMetadata->IsBufferImageGranularityConflictPossible(m_BufferImageGranularity, lastSuballocType)) + { + return true; + } + } + return false; +} + +VkResult VmaBlockVector::CheckCorruption() +{ + if (!IsCorruptionDetectionEnabled()) + { + return VK_ERROR_FEATURE_NOT_PRESENT; + } + + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + for (uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + { + VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pBlock); + VkResult res = pBlock->CheckCorruption(m_hAllocator); + if (res != VK_SUCCESS) + { + return res; + } + } + return VK_SUCCESS; +} + +void VmaBlockVector::AddStats(VmaStats* pStats) +{ + const uint32_t memTypeIndex = m_MemoryTypeIndex; + const uint32_t memHeapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(memTypeIndex); + + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + + for (uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + { + const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pBlock); + VMA_HEAVY_ASSERT(pBlock->Validate()); + VmaStatInfo allocationStatInfo; + pBlock->m_pMetadata->CalcAllocationStatInfo(allocationStatInfo); + VmaAddStatInfo(pStats->total, allocationStatInfo); + VmaAddStatInfo(pStats->memoryType[memTypeIndex], allocationStatInfo); + VmaAddStatInfo(pStats->memoryHeap[memHeapIndex], allocationStatInfo); + } +} +#endif // _VMA_BLOCK_VECTOR_FUNCTIONS + +#ifndef _VMA_DEFRAGMENTATION_ALGORITHM_GENERIC_FUNCTIONS +VmaDefragmentationAlgorithm_Generic::VmaDefragmentationAlgorithm_Generic( + VmaAllocator hAllocator, + VmaBlockVector* pBlockVector, + bool overlappingMoveSupported) + : VmaDefragmentationAlgorithm(hAllocator, pBlockVector), + m_AllocationCount(0), + m_AllAllocations(false), + m_BytesMoved(0), + m_AllocationsMoved(0), + m_Blocks(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) +{ + // Create block info for each block. + const size_t blockCount = m_pBlockVector->m_Blocks.size(); + for (size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + BlockInfo* pBlockInfo = vma_new(m_hAllocator, BlockInfo)(m_hAllocator->GetAllocationCallbacks()); + pBlockInfo->m_OriginalBlockIndex = blockIndex; + pBlockInfo->m_pBlock = m_pBlockVector->m_Blocks[blockIndex]; + m_Blocks.push_back(pBlockInfo); + } + + // Sort them by m_pBlock pointer value. + VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockPointerLess()); +} + +VmaDefragmentationAlgorithm_Generic::~VmaDefragmentationAlgorithm_Generic() +{ + for (size_t i = m_Blocks.size(); i--; ) + { + vma_delete(m_hAllocator, m_Blocks[i]); + } +} + +void VmaDefragmentationAlgorithm_Generic::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) +{ + VmaDeviceMemoryBlock* pBlock = hAlloc->GetBlock(); + BlockInfoVector::iterator it = VmaBinaryFindFirstNotLess(m_Blocks.begin(), m_Blocks.end(), pBlock, BlockPointerLess()); + if (it != m_Blocks.end() && (*it)->m_pBlock == pBlock) + { + AllocationInfo allocInfo = AllocationInfo(hAlloc, pChanged); + (*it)->m_Allocations.push_back(allocInfo); + } + else + { + VMA_ASSERT(0); + } + + ++m_AllocationCount; +} + +VkResult VmaDefragmentationAlgorithm_Generic::DefragmentRound( + VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + bool freeOldAllocations) +{ + if (m_Blocks.empty()) + { + return VK_SUCCESS; + } + + // This is a choice based on research. + // Option 1: + uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT; + // Option 2: + //uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT; + + size_t srcBlockMinIndex = 0; + // When FAST_ALGORITHM, move allocations from only last out of blocks that contain non-movable allocations. + /* + if(m_AlgorithmFlags & VMA_DEFRAGMENTATION_FAST_ALGORITHM_BIT) + { + const size_t blocksWithNonMovableCount = CalcBlocksWithNonMovableCount(); + if(blocksWithNonMovableCount > 0) + { + srcBlockMinIndex = blocksWithNonMovableCount - 1; + } + } + */ + + size_t srcBlockIndex = m_Blocks.size() - 1; + size_t srcAllocIndex = SIZE_MAX; + for (;;) + { + // 1. Find next allocation to move. + // 1.1. Start from last to first m_Blocks - they are sorted from most "destination" to most "source". + // 1.2. Then start from last to first m_Allocations. + while (srcAllocIndex >= m_Blocks[srcBlockIndex]->m_Allocations.size()) + { + if (m_Blocks[srcBlockIndex]->m_Allocations.empty()) + { + // Finished: no more allocations to process. + if (srcBlockIndex == srcBlockMinIndex) + { + return VK_SUCCESS; + } + else + { + --srcBlockIndex; + srcAllocIndex = SIZE_MAX; + } + } + else + { + srcAllocIndex = m_Blocks[srcBlockIndex]->m_Allocations.size() - 1; + } + } + + BlockInfo* pSrcBlockInfo = m_Blocks[srcBlockIndex]; + AllocationInfo& allocInfo = pSrcBlockInfo->m_Allocations[srcAllocIndex]; + + const VkDeviceSize size = allocInfo.m_hAllocation->GetSize(); + const VkDeviceSize srcOffset = allocInfo.m_hAllocation->GetOffset(); + const VkDeviceSize alignment = allocInfo.m_hAllocation->GetAlignment(); + const VmaSuballocationType suballocType = allocInfo.m_hAllocation->GetSuballocationType(); + + // 2. Try to find new place for this allocation in preceding or current block. + for (size_t dstBlockIndex = 0; dstBlockIndex <= srcBlockIndex; ++dstBlockIndex) + { + BlockInfo* pDstBlockInfo = m_Blocks[dstBlockIndex]; + VmaBlockMetadata* pMetadata = pDstBlockInfo->m_pBlock->m_pMetadata; + VmaAllocationRequest dstAllocRequest; + if (pMetadata->CreateAllocationRequest( + size, + alignment, + false, // upperAddress + suballocType, + strategy, + &dstAllocRequest) && + MoveMakesSense( + dstBlockIndex, pMetadata->GetAllocationOffset(dstAllocRequest.allocHandle), srcBlockIndex, srcOffset)) + { + // Reached limit on number of allocations or bytes to move. + if ((m_AllocationsMoved + 1 > maxAllocationsToMove) || + (m_BytesMoved + size > maxBytesToMove)) + { + return VK_SUCCESS; + } + + VmaDefragmentationMove move = {}; + move.srcBlockIndex = pSrcBlockInfo->m_OriginalBlockIndex; + move.dstBlockIndex = pDstBlockInfo->m_OriginalBlockIndex; + move.srcOffset = srcOffset; + move.dstOffset = pMetadata->GetAllocationOffset(dstAllocRequest.allocHandle); + move.size = size; + move.hAllocation = allocInfo.m_hAllocation; + move.pSrcBlock = pSrcBlockInfo->m_pBlock; + move.pDstBlock = pDstBlockInfo->m_pBlock; + move.dstHandle = dstAllocRequest.allocHandle; + + moves.push_back(move); + + pDstBlockInfo->m_pBlock->m_pMetadata->Alloc(dstAllocRequest, suballocType, allocInfo.m_hAllocation); + + if (freeOldAllocations) + { + pSrcBlockInfo->m_pBlock->m_pMetadata->Free(allocInfo.m_hAllocation->GetAllocHandle()); + allocInfo.m_hAllocation->ChangeBlockAllocation(m_hAllocator, pDstBlockInfo->m_pBlock, dstAllocRequest.allocHandle); + } + + if (allocInfo.m_pChanged != VMA_NULL) + { + *allocInfo.m_pChanged = VK_TRUE; + } + + ++m_AllocationsMoved; + m_BytesMoved += size; + + VmaVectorRemove(pSrcBlockInfo->m_Allocations, srcAllocIndex); + + break; + } + } + + // If not processed, this allocInfo remains in pBlockInfo->m_Allocations for next round. + + if (srcAllocIndex > 0) + { + --srcAllocIndex; + } + else + { + if (srcBlockIndex > 0) + { + --srcBlockIndex; + srcAllocIndex = SIZE_MAX; + } + else + { + return VK_SUCCESS; + } + } + } +} + +bool VmaDefragmentationAlgorithm_Generic::AllocationInfoSizeGreater::operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const +{ + return lhs.m_hAllocation->GetSize() > rhs.m_hAllocation->GetSize(); +} + +bool VmaDefragmentationAlgorithm_Generic::AllocationInfoOffsetGreater::operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const +{ + return lhs.m_hAllocation->GetOffset() > rhs.m_hAllocation->GetOffset(); +} + +VmaDefragmentationAlgorithm_Generic::BlockInfo::BlockInfo(const VkAllocationCallbacks* pAllocationCallbacks) + : m_OriginalBlockIndex(SIZE_MAX), + m_pBlock(VMA_NULL), + m_HasNonMovableAllocations(true), + m_Allocations(pAllocationCallbacks) {} + +void VmaDefragmentationAlgorithm_Generic::BlockInfo::CalcHasNonMovableAllocations() +{ + const size_t blockAllocCount = m_pBlock->m_pMetadata->GetAllocationCount(); + const size_t defragmentAllocCount = m_Allocations.size(); + m_HasNonMovableAllocations = blockAllocCount != defragmentAllocCount; +} + +void VmaDefragmentationAlgorithm_Generic::BlockInfo::SortAllocationsBySizeDescending() +{ + VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoSizeGreater()); +} + +void VmaDefragmentationAlgorithm_Generic::BlockInfo::SortAllocationsByOffsetDescending() +{ + VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoOffsetGreater()); +} + +bool VmaDefragmentationAlgorithm_Generic::BlockPointerLess::operator()(const BlockInfo* pLhsBlockInfo, const VmaDeviceMemoryBlock* pRhsBlock) const +{ + return pLhsBlockInfo->m_pBlock < pRhsBlock; +} +bool VmaDefragmentationAlgorithm_Generic::BlockPointerLess::operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const +{ + return pLhsBlockInfo->m_pBlock < pRhsBlockInfo->m_pBlock; +} + +bool VmaDefragmentationAlgorithm_Generic::BlockInfoCompareMoveDestination::operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const +{ + if (pLhsBlockInfo->m_HasNonMovableAllocations && !pRhsBlockInfo->m_HasNonMovableAllocations) + { + return true; + } + if (!pLhsBlockInfo->m_HasNonMovableAllocations && pRhsBlockInfo->m_HasNonMovableAllocations) + { + return false; + } + if (pLhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize() < pRhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize()) + { + return true; + } + return false; +} + +bool VmaDefragmentationAlgorithm_Generic::MoveMakesSense( + size_t dstBlockIndex, VkDeviceSize dstOffset, + size_t srcBlockIndex, VkDeviceSize srcOffset) +{ + if (dstBlockIndex < srcBlockIndex) + { + return true; + } + if (dstBlockIndex > srcBlockIndex) + { + return false; + } + if (dstOffset < srcOffset) + { + return true; + } + return false; +} + +size_t VmaDefragmentationAlgorithm_Generic::CalcBlocksWithNonMovableCount() const +{ + size_t result = 0; + for (size_t i = 0; i < m_Blocks.size(); ++i) + { + if (m_Blocks[i]->m_HasNonMovableAllocations) + { + ++result; + } + } + return result; +} + +VkResult VmaDefragmentationAlgorithm_Generic::Defragment( + VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + VmaDefragmentationFlags flags) +{ + if (!m_AllAllocations && m_AllocationCount == 0) + { + return VK_SUCCESS; + } + + const size_t blockCount = m_Blocks.size(); + for (size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + BlockInfo* pBlockInfo = m_Blocks[blockIndex]; + + if (m_AllAllocations) + { + VmaBlockMetadata_Generic* pMetadata = (VmaBlockMetadata_Generic*)pBlockInfo->m_pBlock->m_pMetadata; + VMA_ASSERT(!pMetadata->IsVirtual()); + for (VmaSuballocationList::const_iterator it = pMetadata->m_Suballocations.begin(); + it != pMetadata->m_Suballocations.end(); + ++it) + { + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + { + AllocationInfo allocInfo = AllocationInfo((VmaAllocation)it->userData, VMA_NULL); + pBlockInfo->m_Allocations.push_back(allocInfo); + } + } + } + + pBlockInfo->CalcHasNonMovableAllocations(); + + // This is a choice based on research. + // Option 1: + pBlockInfo->SortAllocationsByOffsetDescending(); + // Option 2: + //pBlockInfo->SortAllocationsBySizeDescending(); + } + + // Sort m_Blocks this time by the main criterium, from most "destination" to most "source" blocks. + VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockInfoCompareMoveDestination()); + + // This is a choice based on research. + const uint32_t roundCount = 2; + + // Execute defragmentation rounds (the main part). + VkResult result = VK_SUCCESS; + for (uint32_t round = 0; (round < roundCount) && (result == VK_SUCCESS); ++round) + { + result = DefragmentRound(moves, maxBytesToMove, maxAllocationsToMove, !(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL)); + } + + return result; +} +#endif // _VMA_DEFRAGMENTATION_ALGORITHM_GENERIC_FUNCTIONS + +#ifndef _VMA_DEFRAGMENTATION_ALGORITHM_FAST_FUNCTIONS +VmaDefragmentationAlgorithm_Fast::VmaDefragmentationAlgorithm_Fast( + VmaAllocator hAllocator, + VmaBlockVector* pBlockVector, + bool overlappingMoveSupported) + : VmaDefragmentationAlgorithm(hAllocator, pBlockVector), + m_OverlappingMoveSupported(overlappingMoveSupported), + m_AllocationCount(0), + m_AllAllocations(false), + m_BytesMoved(0), + m_AllocationsMoved(0), + m_BlockInfos(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) +{ + VMA_ASSERT(VMA_DEBUG_MARGIN == 0); +} + +VkResult VmaDefragmentationAlgorithm_Fast::Defragment( + VmaVector>& moves, + VkDeviceSize maxBytesToMove, + uint32_t maxAllocationsToMove, + VmaDefragmentationFlags flags) +{ + VMA_ASSERT(m_AllAllocations || m_pBlockVector->CalcAllocationCount() == m_AllocationCount); + + const size_t blockCount = m_pBlockVector->GetBlockCount(); + if (blockCount == 0 || maxBytesToMove == 0 || maxAllocationsToMove == 0) + { + return VK_SUCCESS; + } + + PreprocessMetadata(); + + // Sort blocks in order from most destination. + + m_BlockInfos.resize(blockCount); + for (size_t i = 0; i < blockCount; ++i) + { + m_BlockInfos[i].origBlockIndex = i; + } + + VMA_SORT(m_BlockInfos.begin(), m_BlockInfos.end(), [this](const BlockInfo& lhs, const BlockInfo& rhs) -> bool { + return m_pBlockVector->GetBlock(lhs.origBlockIndex)->m_pMetadata->GetSumFreeSize() < + m_pBlockVector->GetBlock(rhs.origBlockIndex)->m_pMetadata->GetSumFreeSize(); + }); + + // THE MAIN ALGORITHM + + FreeSpaceDatabase freeSpaceDb; + + size_t dstBlockInfoIndex = 0; + size_t dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; + VmaDeviceMemoryBlock* pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); + VmaBlockMetadata_Generic* pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; + VkDeviceSize dstBlockSize = pDstMetadata->GetSize(); + VkDeviceSize dstOffset = 0; + + bool end = false; + for (size_t srcBlockInfoIndex = 0; !end && srcBlockInfoIndex < blockCount; ++srcBlockInfoIndex) + { + const size_t srcOrigBlockIndex = m_BlockInfos[srcBlockInfoIndex].origBlockIndex; + VmaDeviceMemoryBlock* const pSrcBlock = m_pBlockVector->GetBlock(srcOrigBlockIndex); + VmaBlockMetadata_Generic* const pSrcMetadata = (VmaBlockMetadata_Generic*)pSrcBlock->m_pMetadata; + for (VmaSuballocationList::iterator srcSuballocIt = pSrcMetadata->m_Suballocations.begin(); + !end && srcSuballocIt != pSrcMetadata->m_Suballocations.end(); ) + { + VmaAllocation const pAlloc = (VmaAllocation)srcSuballocIt->userData; + const VkDeviceSize srcAllocAlignment = pAlloc->GetAlignment(); + const VkDeviceSize srcAllocSize = srcSuballocIt->size; + if (m_AllocationsMoved == maxAllocationsToMove || + m_BytesMoved + srcAllocSize > maxBytesToMove) + { + end = true; + break; + } + const VkDeviceSize srcAllocOffset = srcSuballocIt->offset; + + VmaDefragmentationMove move = {}; + // Try to place it in one of free spaces from the database. + size_t freeSpaceInfoIndex; + VkDeviceSize dstAllocOffset; + if (freeSpaceDb.Fetch(srcAllocAlignment, srcAllocSize, + freeSpaceInfoIndex, dstAllocOffset)) + { + size_t freeSpaceOrigBlockIndex = m_BlockInfos[freeSpaceInfoIndex].origBlockIndex; + VmaDeviceMemoryBlock* pFreeSpaceBlock = m_pBlockVector->GetBlock(freeSpaceOrigBlockIndex); + VmaBlockMetadata_Generic* pFreeSpaceMetadata = (VmaBlockMetadata_Generic*)pFreeSpaceBlock->m_pMetadata; + + // Same block + if (freeSpaceInfoIndex == srcBlockInfoIndex) + { + VMA_ASSERT(dstAllocOffset <= srcAllocOffset); + + // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. + + VmaSuballocation suballoc = *srcSuballocIt; + suballoc.offset = dstAllocOffset; + ((VmaAllocation)(suballoc.userData))->ChangeAllocHandle((VmaAllocHandle)(dstAllocOffset + 1)); + m_BytesMoved += srcAllocSize; + ++m_AllocationsMoved; + + VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; + ++nextSuballocIt; + pSrcMetadata->m_Suballocations.erase(srcSuballocIt); + srcSuballocIt = nextSuballocIt; + + InsertSuballoc(pFreeSpaceMetadata, suballoc); + + move.srcBlockIndex = srcOrigBlockIndex; + move.dstBlockIndex = freeSpaceOrigBlockIndex; + move.srcOffset = srcAllocOffset; + move.dstOffset = dstAllocOffset; + move.dstHandle = (VmaAllocHandle)(dstAllocOffset + 1); + move.size = srcAllocSize; + + moves.push_back(move); + } + // Different block + else + { + // MOVE OPTION 2: Move the allocation to a different block. + + VMA_ASSERT(freeSpaceInfoIndex < srcBlockInfoIndex); + + VmaSuballocation suballoc = *srcSuballocIt; + suballoc.offset = dstAllocOffset; + ((VmaAllocation)(suballoc.userData))->ChangeBlockAllocation(m_hAllocator, pFreeSpaceBlock, (VmaAllocHandle)(dstAllocOffset + 1)); + m_BytesMoved += srcAllocSize; + ++m_AllocationsMoved; + + VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; + ++nextSuballocIt; + pSrcMetadata->m_Suballocations.erase(srcSuballocIt); + srcSuballocIt = nextSuballocIt; + + InsertSuballoc(pFreeSpaceMetadata, suballoc); + + move.srcBlockIndex = srcOrigBlockIndex; + move.dstBlockIndex = freeSpaceOrigBlockIndex; + move.srcOffset = srcAllocOffset; + move.dstOffset = dstAllocOffset; + move.dstHandle = (VmaAllocHandle)(dstAllocOffset + 1); + move.size = srcAllocSize; + + moves.push_back(move); + } + } + else + { + dstAllocOffset = VmaAlignUp(dstOffset, srcAllocAlignment); + + // If the allocation doesn't fit before the end of dstBlock, forward to next block. + while (dstBlockInfoIndex < srcBlockInfoIndex && + dstAllocOffset + srcAllocSize > dstBlockSize) + { + // But before that, register remaining free space at the end of dst block. + freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, dstBlockSize - dstOffset); + + ++dstBlockInfoIndex; + dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; + pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); + pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; + dstBlockSize = pDstMetadata->GetSize(); + dstOffset = 0; + dstAllocOffset = 0; + } + + // Same block + if (dstBlockInfoIndex == srcBlockInfoIndex) + { + VMA_ASSERT(dstAllocOffset <= srcAllocOffset); + + const bool overlap = dstAllocOffset + srcAllocSize > srcAllocOffset; + + bool skipOver = overlap; + if (overlap && m_OverlappingMoveSupported && dstAllocOffset < srcAllocOffset) + { + // If destination and source place overlap, skip if it would move it + // by only < 1/64 of its size. + skipOver = (srcAllocOffset - dstAllocOffset) * 64 < srcAllocSize; + } + + if (skipOver) + { + freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, srcAllocOffset - dstOffset); + + dstOffset = srcAllocOffset + srcAllocSize; + ++srcSuballocIt; + } + // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. + else + { + srcSuballocIt->offset = dstAllocOffset; + ((VmaAllocation)(srcSuballocIt->userData))->ChangeAllocHandle((VmaAllocHandle)(dstAllocOffset + 1)); + dstOffset = dstAllocOffset + srcAllocSize; + m_BytesMoved += srcAllocSize; + ++m_AllocationsMoved; + ++srcSuballocIt; + + move.srcBlockIndex = srcOrigBlockIndex; + move.dstBlockIndex = dstOrigBlockIndex; + move.srcOffset = srcAllocOffset; + move.dstOffset = dstAllocOffset; + move.dstHandle = (VmaAllocHandle)(dstAllocOffset + 1); + move.size = srcAllocSize; + + moves.push_back(move); + } + } + // Different block + else + { + // MOVE OPTION 2: Move the allocation to a different block. + + VMA_ASSERT(dstBlockInfoIndex < srcBlockInfoIndex); + VMA_ASSERT(dstAllocOffset + srcAllocSize <= dstBlockSize); + + VmaSuballocation suballoc = *srcSuballocIt; + suballoc.offset = dstAllocOffset; + ((VmaAllocation)(suballoc.userData))->ChangeBlockAllocation(m_hAllocator, pDstBlock, (VmaAllocHandle)(dstAllocOffset + 1)); + dstOffset = dstAllocOffset + srcAllocSize; + m_BytesMoved += srcAllocSize; + ++m_AllocationsMoved; + + VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; + ++nextSuballocIt; + pSrcMetadata->m_Suballocations.erase(srcSuballocIt); + srcSuballocIt = nextSuballocIt; + + pDstMetadata->m_Suballocations.push_back(suballoc); + + move.srcBlockIndex = srcOrigBlockIndex; + move.dstBlockIndex = dstOrigBlockIndex; + move.srcOffset = srcAllocOffset; + move.dstOffset = dstAllocOffset; + move.dstHandle = (VmaAllocHandle)(dstAllocOffset + 1); + move.size = srcAllocSize; + + moves.push_back(move); + } + } + } + } + + m_BlockInfos.clear(); + + PostprocessMetadata(); + + return VK_SUCCESS; +} + +VmaDefragmentationAlgorithm_Fast::FreeSpaceDatabase::FreeSpaceDatabase() +{ + FreeSpace s = {}; + s.blockInfoIndex = SIZE_MAX; + for (size_t i = 0; i < MAX_COUNT; ++i) + { + m_FreeSpaces[i] = s; + } +} + +void VmaDefragmentationAlgorithm_Fast::FreeSpaceDatabase::Register(size_t blockInfoIndex, VkDeviceSize offset, VkDeviceSize size) +{ + // Find first invalid or the smallest structure. + size_t bestIndex = SIZE_MAX; + for (size_t i = 0; i < MAX_COUNT; ++i) + { + // Empty structure. + if (m_FreeSpaces[i].blockInfoIndex == SIZE_MAX) + { + bestIndex = i; + break; + } + if (m_FreeSpaces[i].size < size && + (bestIndex == SIZE_MAX || m_FreeSpaces[bestIndex].size > m_FreeSpaces[i].size)) + { + bestIndex = i; + } + } + + if (bestIndex != SIZE_MAX) + { + m_FreeSpaces[bestIndex].blockInfoIndex = blockInfoIndex; + m_FreeSpaces[bestIndex].offset = offset; + m_FreeSpaces[bestIndex].size = size; + } +} + +bool VmaDefragmentationAlgorithm_Fast::FreeSpaceDatabase::Fetch(VkDeviceSize alignment, VkDeviceSize size, + size_t& outBlockInfoIndex, VkDeviceSize& outDstOffset) +{ + size_t bestIndex = SIZE_MAX; + VkDeviceSize bestFreeSpaceAfter = 0; + for (size_t i = 0; i < MAX_COUNT; ++i) + { + // Structure is valid. + if (m_FreeSpaces[i].blockInfoIndex != SIZE_MAX) + { + const VkDeviceSize dstOffset = VmaAlignUp(m_FreeSpaces[i].offset, alignment); + // Allocation fits into this structure. + if (dstOffset + size <= m_FreeSpaces[i].offset + m_FreeSpaces[i].size) + { + const VkDeviceSize freeSpaceAfter = (m_FreeSpaces[i].offset + m_FreeSpaces[i].size) - + (dstOffset + size); + if (bestIndex == SIZE_MAX || freeSpaceAfter > bestFreeSpaceAfter) + { + bestIndex = i; + bestFreeSpaceAfter = freeSpaceAfter; + } + } + } + } + + if (bestIndex != SIZE_MAX) + { + outBlockInfoIndex = m_FreeSpaces[bestIndex].blockInfoIndex; + outDstOffset = VmaAlignUp(m_FreeSpaces[bestIndex].offset, alignment); + + // Leave this structure for remaining empty space. + const VkDeviceSize alignmentPlusSize = (outDstOffset - m_FreeSpaces[bestIndex].offset) + size; + m_FreeSpaces[bestIndex].offset += alignmentPlusSize; + m_FreeSpaces[bestIndex].size -= alignmentPlusSize; + + return true; + } + + return false; +} + +void VmaDefragmentationAlgorithm_Fast::PreprocessMetadata() +{ + const size_t blockCount = m_pBlockVector->GetBlockCount(); + for (size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + VmaBlockMetadata_Generic* const pMetadata = + (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; + pMetadata->m_FreeCount = 0; + pMetadata->m_SumFreeSize = pMetadata->GetSize(); + pMetadata->m_FreeSuballocationsBySize.clear(); + for (VmaSuballocationList::iterator it = pMetadata->m_Suballocations.begin(); + it != pMetadata->m_Suballocations.end(); ) + { + if (it->type == VMA_SUBALLOCATION_TYPE_FREE) + { + VmaSuballocationList::iterator nextIt = it; + ++nextIt; + pMetadata->m_Suballocations.erase(it); + it = nextIt; + } + else + { + ++it; + } + } + } +} + +void VmaDefragmentationAlgorithm_Fast::PostprocessMetadata() +{ + const size_t blockCount = m_pBlockVector->GetBlockCount(); + for (size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + VmaBlockMetadata_Generic* const pMetadata = + (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; + const VkDeviceSize blockSize = pMetadata->GetSize(); + + // No allocations in this block - entire area is free. + if (pMetadata->m_Suballocations.empty()) + { + pMetadata->m_FreeCount = 1; + //pMetadata->m_SumFreeSize is already set to blockSize. + VmaSuballocation suballoc = { + 0, // offset + blockSize, // size + VMA_NULL, // hAllocation + VMA_SUBALLOCATION_TYPE_FREE }; + pMetadata->m_Suballocations.push_back(suballoc); + pMetadata->RegisterFreeSuballocation(pMetadata->m_Suballocations.begin()); + } + // There are some allocations in this block. + else + { + VkDeviceSize offset = 0; + VmaSuballocationList::iterator it; + for (it = pMetadata->m_Suballocations.begin(); + it != pMetadata->m_Suballocations.end(); + ++it) + { + VMA_ASSERT(it->type != VMA_SUBALLOCATION_TYPE_FREE); + VMA_ASSERT(it->offset >= offset); + + // Need to insert preceding free space. + if (it->offset > offset) + { + ++pMetadata->m_FreeCount; + const VkDeviceSize freeSize = it->offset - offset; + VmaSuballocation suballoc = { + offset, // offset + freeSize, // size + VMA_NULL, // hAllocation + VMA_SUBALLOCATION_TYPE_FREE }; + VmaSuballocationList::iterator precedingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); + pMetadata->m_FreeSuballocationsBySize.push_back(precedingFreeIt); + } + + pMetadata->m_SumFreeSize -= it->size; + offset = it->offset + it->size; + } + + // Need to insert trailing free space. + if (offset < blockSize) + { + ++pMetadata->m_FreeCount; + const VkDeviceSize freeSize = blockSize - offset; + VmaSuballocation suballoc = { + offset, // offset + freeSize, // size + VMA_NULL, // hAllocation + VMA_SUBALLOCATION_TYPE_FREE }; + VMA_ASSERT(it == pMetadata->m_Suballocations.end()); + VmaSuballocationList::iterator trailingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); + pMetadata->m_FreeSuballocationsBySize.push_back(trailingFreeIt); + } + + VMA_SORT( + pMetadata->m_FreeSuballocationsBySize.begin(), + pMetadata->m_FreeSuballocationsBySize.end(), + VmaSuballocationItemSizeLess()); + } + + VMA_HEAVY_ASSERT(pMetadata->Validate()); + } +} + +void VmaDefragmentationAlgorithm_Fast::InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc) +{ + VmaSuballocationList& suballocs = pMetadata->m_Suballocations; + VmaSuballocationList::iterator elementAfter; + const VkDeviceSize last = suballocs.rbegin()->offset; + const VkDeviceSize first = suballocs.begin()->offset; + + if (last <= suballoc.offset) + elementAfter = suballocs.end(); + else if (first >= suballoc.offset) + elementAfter = suballocs.begin(); + else + { + const size_t suballocCount = suballocs.size(); + const VkDeviceSize step = (last - first + suballocs.begin()->size) / suballocCount; + // If offset to be inserted is closer to the end of range, search from the end + if ((suballoc.offset - first) / step > suballocCount / 2) + { + elementAfter = suballocs.begin(); + for (VmaSuballocationList::reverse_iterator suballocItem = ++suballocs.rbegin(); + suballocItem != suballocs.rend(); + ++suballocItem) + { + if (suballocItem->offset <= suballoc.offset) + { + elementAfter = --suballocItem; + break; + } + } + } + else + { + elementAfter = suballocs.end(); + for (VmaSuballocationList::iterator suballocItem = ++suballocs.begin(); + suballocItem != suballocs.end(); + ++suballocItem) + { + if (suballocItem->offset >= suballoc.offset) + { + elementAfter = suballocItem; + break; + } + } + } + } + pMetadata->m_Suballocations.insert(elementAfter, suballoc); +} +#endif // _VMA_DEFRAGMENTATION_ALGORITHM_FAST_FUNCTIONS + +#ifndef _VMA_BLOCK_VECTOR_DEFRAGMENTATION_CONTEXT_FUNCTIONS +VmaBlockVectorDefragmentationContext::VmaBlockVectorDefragmentationContext( + VmaAllocator hAllocator, + VmaPool hCustomPool, + VmaBlockVector* pBlockVector) + : res(VK_SUCCESS), + mutexLocked(false), + blockContexts(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), + defragmentationMoves(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), + defragmentationMovesProcessed(0), + defragmentationMovesCommitted(0), + hasDefragmentationPlan(0), + m_hAllocator(hAllocator), + m_hCustomPool(hCustomPool), + m_pBlockVector(pBlockVector), + m_pAlgorithm(VMA_NULL), + m_Allocations(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), + m_AllAllocations(false) {} + +VmaBlockVectorDefragmentationContext::~VmaBlockVectorDefragmentationContext() +{ + vma_delete(m_hAllocator, m_pAlgorithm); +} + +void VmaBlockVectorDefragmentationContext::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) +{ + AllocInfo info = { hAlloc, pChanged }; + m_Allocations.push_back(info); +} + +void VmaBlockVectorDefragmentationContext::Begin(bool overlappingMoveSupported, VmaDefragmentationFlags flags) +{ + const bool allAllocations = m_AllAllocations || + m_Allocations.size() == m_pBlockVector->CalcAllocationCount(); + + /******************************** + HERE IS THE CHOICE OF DEFRAGMENTATION ALGORITHM. + ********************************/ + + /* + Fast algorithm is supported only when certain criteria are met: + - VMA_DEBUG_MARGIN is 0. + - All allocations in this block vector are movable. + - There is no possibility of image/buffer granularity conflict. + - The defragmentation is not incremental + */ + if (VMA_DEBUG_MARGIN == 0 && + allAllocations && + !m_pBlockVector->IsBufferImageGranularityConflictPossible() && + !(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL)) + { + m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Fast)( + m_hAllocator, m_pBlockVector, overlappingMoveSupported); + } + else + { + m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Generic)( + m_hAllocator, m_pBlockVector, overlappingMoveSupported); + } + + if (allAllocations) + { + m_pAlgorithm->AddAll(); + } + else + { + for (size_t i = 0, count = m_Allocations.size(); i < count; ++i) + { + m_pAlgorithm->AddAllocation(m_Allocations[i].hAlloc, m_Allocations[i].pChanged); + } + } +} +#endif // _VMA_BLOCK_VECTOR_DEFRAGMENTATION_CONTEXT_FUNCTIONS + +#ifndef _VMA_DEFRAGMENTATION_CONTEXT_FUNCTIONS +VmaDefragmentationContext_T::VmaDefragmentationContext_T( + VmaAllocator hAllocator, + uint32_t flags, + VmaDefragmentationStats* pStats) + : m_hAllocator(hAllocator), + m_Flags(flags), + m_pStats(pStats), + m_CustomPoolContexts(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) +{ + memset(m_DefaultPoolContexts, 0, sizeof(m_DefaultPoolContexts)); +} + +VmaDefragmentationContext_T::~VmaDefragmentationContext_T() +{ + for (size_t i = m_CustomPoolContexts.size(); i--; ) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[i]; + pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_Flags, m_pStats); + vma_delete(m_hAllocator, pBlockVectorCtx); + } + for (size_t i = m_hAllocator->m_MemProps.memoryTypeCount; i--; ) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[i]; + if (pBlockVectorCtx) + { + pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_Flags, m_pStats); + vma_delete(m_hAllocator, pBlockVectorCtx); + } + } +} + +void VmaDefragmentationContext_T::AddPools(uint32_t poolCount, const VmaPool* pPools) +{ + for (uint32_t poolIndex = 0; poolIndex < poolCount; ++poolIndex) + { + VmaPool pool = pPools[poolIndex]; + VMA_ASSERT(pool); + // Pools with algorithm other than default are not defragmented. + if (pool->m_BlockVector.GetAlgorithm() == 0) + { + VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; + + for (size_t i = m_CustomPoolContexts.size(); i--; ) + { + if (m_CustomPoolContexts[i]->GetCustomPool() == pool) + { + pBlockVectorDefragCtx = m_CustomPoolContexts[i]; + break; + } + } + + if (!pBlockVectorDefragCtx) + { + pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( + m_hAllocator, + pool, + &pool->m_BlockVector); + m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); + } + + pBlockVectorDefragCtx->AddAll(); + } + } +} + +void VmaDefragmentationContext_T::AddAllocations( + uint32_t allocationCount, + const VmaAllocation* pAllocations, + VkBool32* pAllocationsChanged) +{ + // Dispatch pAllocations among defragmentators. Create them when necessary. + for (uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + const VmaAllocation hAlloc = pAllocations[allocIndex]; + VMA_ASSERT(hAlloc); + // DedicatedAlloc cannot be defragmented. + if (hAlloc->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK) + { + VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; + + const VmaPool hAllocPool = hAlloc->GetBlock()->GetParentPool(); + // This allocation belongs to custom pool. + if (hAllocPool != VK_NULL_HANDLE) + { + // Pools with algorithm other than default are not defragmented. + if (hAllocPool->m_BlockVector.GetAlgorithm() == 0) + { + for (size_t i = m_CustomPoolContexts.size(); i--; ) + { + if (m_CustomPoolContexts[i]->GetCustomPool() == hAllocPool) + { + pBlockVectorDefragCtx = m_CustomPoolContexts[i]; + break; + } + } + if (!pBlockVectorDefragCtx) + { + pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( + m_hAllocator, + hAllocPool, + &hAllocPool->m_BlockVector); + m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); + } + } + } + // This allocation belongs to default pool. + else + { + const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); + pBlockVectorDefragCtx = m_DefaultPoolContexts[memTypeIndex]; + if (!pBlockVectorDefragCtx) + { + VMA_ASSERT(m_hAllocator->m_pBlockVectors[memTypeIndex] && "Trying to use unsupported memory type!"); + + pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( + m_hAllocator, + VMA_NULL, // hCustomPool + m_hAllocator->m_pBlockVectors[memTypeIndex]); + m_DefaultPoolContexts[memTypeIndex] = pBlockVectorDefragCtx; + } + } + + if (pBlockVectorDefragCtx) + { + VkBool32* const pChanged = (pAllocationsChanged != VMA_NULL) ? + &pAllocationsChanged[allocIndex] : VMA_NULL; + pBlockVectorDefragCtx->AddAllocation(hAlloc, pChanged); + } + } + } +} + +VkResult VmaDefragmentationContext_T::Defragment( + VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, + VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, + VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags) +{ + if (pStats) + { + memset(pStats, 0, sizeof(VmaDefragmentationStats)); + } + + if (flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) + { + // For incremental defragmetnations, we just earmark how much we can move + // The real meat is in the defragmentation steps + m_MaxCpuBytesToMove = maxCpuBytesToMove; + m_MaxCpuAllocationsToMove = maxCpuAllocationsToMove; + + m_MaxGpuBytesToMove = maxGpuBytesToMove; + m_MaxGpuAllocationsToMove = maxGpuAllocationsToMove; + + if (m_MaxCpuBytesToMove == 0 && m_MaxCpuAllocationsToMove == 0 && + m_MaxGpuBytesToMove == 0 && m_MaxGpuAllocationsToMove == 0) + return VK_SUCCESS; + + return VK_NOT_READY; + } + + if (commandBuffer == VK_NULL_HANDLE) + { + maxGpuBytesToMove = 0; + maxGpuAllocationsToMove = 0; + } + + VkResult res = VK_SUCCESS; + + // Process default pools. + for (uint32_t memTypeIndex = 0; + memTypeIndex < m_hAllocator->GetMemoryTypeCount() && res >= VK_SUCCESS; + ++memTypeIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; + if (pBlockVectorCtx) + { + VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); + pBlockVectorCtx->GetBlockVector()->Defragment( + pBlockVectorCtx, + pStats, flags, + maxCpuBytesToMove, maxCpuAllocationsToMove, + maxGpuBytesToMove, maxGpuAllocationsToMove, + commandBuffer); + if (pBlockVectorCtx->res != VK_SUCCESS) + { + res = pBlockVectorCtx->res; + } + } + } + + // Process custom pools. + for (size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); + customCtxIndex < customCtxCount && res >= VK_SUCCESS; + ++customCtxIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; + VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); + pBlockVectorCtx->GetBlockVector()->Defragment( + pBlockVectorCtx, + pStats, flags, + maxCpuBytesToMove, maxCpuAllocationsToMove, + maxGpuBytesToMove, maxGpuAllocationsToMove, + commandBuffer); + if (pBlockVectorCtx->res != VK_SUCCESS) + { + res = pBlockVectorCtx->res; + } + } + + return res; +} + +VkResult VmaDefragmentationContext_T::DefragmentPassBegin(VmaDefragmentationPassInfo* pInfo) +{ + VmaDefragmentationPassMoveInfo* pCurrentMove = pInfo->pMoves; + uint32_t movesLeft = pInfo->moveCount; + + // Process default pools. + for (uint32_t memTypeIndex = 0; + memTypeIndex < m_hAllocator->GetMemoryTypeCount(); + ++memTypeIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; + if (pBlockVectorCtx) + { + VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); + + if (!pBlockVectorCtx->hasDefragmentationPlan) + { + pBlockVectorCtx->GetBlockVector()->Defragment( + pBlockVectorCtx, + m_pStats, m_Flags, + m_MaxCpuBytesToMove, m_MaxCpuAllocationsToMove, + m_MaxGpuBytesToMove, m_MaxGpuAllocationsToMove, + VK_NULL_HANDLE); + + if (pBlockVectorCtx->res < VK_SUCCESS) + continue; + + pBlockVectorCtx->hasDefragmentationPlan = true; + } + + const uint32_t processed = pBlockVectorCtx->GetBlockVector()->ProcessDefragmentations( + pBlockVectorCtx, + pCurrentMove, movesLeft); + + movesLeft -= processed; + pCurrentMove += processed; + } + } + + // Process custom pools. + for (size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); + customCtxIndex < customCtxCount; + ++customCtxIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; + VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); + + if (!pBlockVectorCtx->hasDefragmentationPlan) + { + pBlockVectorCtx->GetBlockVector()->Defragment( + pBlockVectorCtx, + m_pStats, m_Flags, + m_MaxCpuBytesToMove, m_MaxCpuAllocationsToMove, + m_MaxGpuBytesToMove, m_MaxGpuAllocationsToMove, + VK_NULL_HANDLE); + + if (pBlockVectorCtx->res < VK_SUCCESS) + continue; + + pBlockVectorCtx->hasDefragmentationPlan = true; + } + + const uint32_t processed = pBlockVectorCtx->GetBlockVector()->ProcessDefragmentations( + pBlockVectorCtx, + pCurrentMove, movesLeft); + + movesLeft -= processed; + pCurrentMove += processed; + } + + pInfo->moveCount = pInfo->moveCount - movesLeft; + + return VK_SUCCESS; +} + +VkResult VmaDefragmentationContext_T::DefragmentPassEnd() +{ + VkResult res = VK_SUCCESS; + + // Process default pools. + for (uint32_t memTypeIndex = 0; + memTypeIndex < m_hAllocator->GetMemoryTypeCount(); + ++memTypeIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; + if (pBlockVectorCtx) + { + VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); + + if (!pBlockVectorCtx->hasDefragmentationPlan) + { + res = VK_NOT_READY; + continue; + } + + pBlockVectorCtx->GetBlockVector()->CommitDefragmentations( + pBlockVectorCtx, m_pStats); + + if (pBlockVectorCtx->defragmentationMoves.size() != pBlockVectorCtx->defragmentationMovesCommitted) + res = VK_NOT_READY; + } + } + + // Process custom pools. + for (size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); + customCtxIndex < customCtxCount; + ++customCtxIndex) + { + VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; + VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); + + if (!pBlockVectorCtx->hasDefragmentationPlan) + { + res = VK_NOT_READY; + continue; + } + + pBlockVectorCtx->GetBlockVector()->CommitDefragmentations( + pBlockVectorCtx, m_pStats); + + if (pBlockVectorCtx->defragmentationMoves.size() != pBlockVectorCtx->defragmentationMovesCommitted) + res = VK_NOT_READY; + } + + return res; +} +#endif // _VMA_DEFRAGMENTATION_CONTEXT_FUNCTIONS + +#ifndef _VMA_POOL_T_FUNCTIONS +VmaPool_T::VmaPool_T( + VmaAllocator hAllocator, + const VmaPoolCreateInfo& createInfo, + VkDeviceSize preferredBlockSize) + : m_BlockVector( + hAllocator, + this, // hParentPool + createInfo.memoryTypeIndex, + createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, + createInfo.minBlockCount, + createInfo.maxBlockCount, + (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), + createInfo.blockSize != 0, // explicitBlockSize + createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm + createInfo.priority, + VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(createInfo.memoryTypeIndex), createInfo.minAllocationAlignment), + createInfo.pMemoryAllocateNext), + m_Id(0), + m_Name(VMA_NULL) {} + +VmaPool_T::~VmaPool_T() +{ + VMA_ASSERT(m_PrevPool == VMA_NULL && m_NextPool == VMA_NULL); +} + +void VmaPool_T::SetName(const char* pName) +{ + const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); + VmaFreeString(allocs, m_Name); + + if (pName != VMA_NULL) + { + m_Name = VmaCreateStringCopy(allocs, pName); + } + else + { + m_Name = VMA_NULL; + } +} +#endif // _VMA_POOL_T_FUNCTIONS + +#ifndef _VMA_ALLOCATOR_T_FUNCTIONS +VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : + m_UseMutex((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT) == 0), + m_VulkanApiVersion(pCreateInfo->vulkanApiVersion != 0 ? pCreateInfo->vulkanApiVersion : VK_API_VERSION_1_0), + m_UseKhrDedicatedAllocation((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT) != 0), + m_UseKhrBindMemory2((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT) != 0), + m_UseExtMemoryBudget((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT) != 0), + m_UseAmdDeviceCoherentMemory((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT) != 0), + m_UseKhrBufferDeviceAddress((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT) != 0), + m_UseExtMemoryPriority((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT) != 0), + m_hDevice(pCreateInfo->device), + m_hInstance(pCreateInfo->instance), + m_AllocationCallbacksSpecified(pCreateInfo->pAllocationCallbacks != VMA_NULL), + m_AllocationCallbacks(pCreateInfo->pAllocationCallbacks ? + *pCreateInfo->pAllocationCallbacks : VmaEmptyAllocationCallbacks), + m_AllocationObjectAllocator(&m_AllocationCallbacks), + m_HeapSizeLimitMask(0), + m_DeviceMemoryCount(0), + m_PreferredLargeHeapBlockSize(0), + m_PhysicalDevice(pCreateInfo->physicalDevice), + m_GpuDefragmentationMemoryTypeBits(UINT32_MAX), + m_NextPoolId(0), + m_GlobalMemoryTypeBits(UINT32_MAX) +{ + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + m_UseKhrDedicatedAllocation = false; + m_UseKhrBindMemory2 = false; + } + + if(VMA_DEBUG_DETECT_CORRUPTION) + { + // Needs to be multiply of uint32_t size because we are going to write VMA_CORRUPTION_DETECTION_MAGIC_VALUE to it. + VMA_ASSERT(VMA_DEBUG_MARGIN % sizeof(uint32_t) == 0); + } + + VMA_ASSERT(pCreateInfo->physicalDevice && pCreateInfo->device && pCreateInfo->instance); + + if(m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0)) + { +#if !(VMA_DEDICATED_ALLOCATION) + if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT) != 0) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT set but required extensions are disabled by preprocessor macros."); + } +#endif +#if !(VMA_BIND_MEMORY2) + if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT) != 0) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT set but required extension is disabled by preprocessor macros."); + } +#endif + } +#if !(VMA_MEMORY_BUDGET) + if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT) != 0) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT set but required extension is disabled by preprocessor macros."); + } +#endif +#if !(VMA_BUFFER_DEVICE_ADDRESS) + if(m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT is set but required extension or Vulkan 1.2 is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); + } +#endif +#if VMA_VULKAN_VERSION < 1002000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 2, 0)) + { + VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_2 but required Vulkan version is disabled by preprocessor macros."); + } +#endif +#if VMA_VULKAN_VERSION < 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_1 but required Vulkan version is disabled by preprocessor macros."); + } +#endif +#if !(VMA_MEMORY_PRIORITY) + if(m_UseExtMemoryPriority) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT is set but required extension is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); + } +#endif + + memset(&m_DeviceMemoryCallbacks, 0 ,sizeof(m_DeviceMemoryCallbacks)); + memset(&m_PhysicalDeviceProperties, 0, sizeof(m_PhysicalDeviceProperties)); + memset(&m_MemProps, 0, sizeof(m_MemProps)); + + memset(&m_pBlockVectors, 0, sizeof(m_pBlockVectors)); + memset(&m_VulkanFunctions, 0, sizeof(m_VulkanFunctions)); + +#if VMA_EXTERNAL_MEMORY + memset(&m_TypeExternalMemoryHandleTypes, 0, sizeof(m_TypeExternalMemoryHandleTypes)); +#endif // #if VMA_EXTERNAL_MEMORY + + if(pCreateInfo->pDeviceMemoryCallbacks != VMA_NULL) + { + m_DeviceMemoryCallbacks.pUserData = pCreateInfo->pDeviceMemoryCallbacks->pUserData; + m_DeviceMemoryCallbacks.pfnAllocate = pCreateInfo->pDeviceMemoryCallbacks->pfnAllocate; + m_DeviceMemoryCallbacks.pfnFree = pCreateInfo->pDeviceMemoryCallbacks->pfnFree; + } + + ImportVulkanFunctions(pCreateInfo->pVulkanFunctions); + + (*m_VulkanFunctions.vkGetPhysicalDeviceProperties)(m_PhysicalDevice, &m_PhysicalDeviceProperties); + (*m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties)(m_PhysicalDevice, &m_MemProps); + + VMA_ASSERT(VmaIsPow2(VMA_MIN_ALIGNMENT)); + VMA_ASSERT(VmaIsPow2(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY)); + VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.bufferImageGranularity)); + VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.nonCoherentAtomSize)); + + m_PreferredLargeHeapBlockSize = (pCreateInfo->preferredLargeHeapBlockSize != 0) ? + pCreateInfo->preferredLargeHeapBlockSize : static_cast(VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE); + + m_GlobalMemoryTypeBits = CalculateGlobalMemoryTypeBits(); + +#if VMA_EXTERNAL_MEMORY + if(pCreateInfo->pTypeExternalMemoryHandleTypes != VMA_NULL) + { + memcpy(m_TypeExternalMemoryHandleTypes, pCreateInfo->pTypeExternalMemoryHandleTypes, + sizeof(VkExternalMemoryHandleTypeFlagsKHR) * GetMemoryTypeCount()); + } +#endif // #if VMA_EXTERNAL_MEMORY + + if(pCreateInfo->pHeapSizeLimit != VMA_NULL) + { + for(uint32_t heapIndex = 0; heapIndex < GetMemoryHeapCount(); ++heapIndex) + { + const VkDeviceSize limit = pCreateInfo->pHeapSizeLimit[heapIndex]; + if(limit != VK_WHOLE_SIZE) + { + m_HeapSizeLimitMask |= 1u << heapIndex; + if(limit < m_MemProps.memoryHeaps[heapIndex].size) + { + m_MemProps.memoryHeaps[heapIndex].size = limit; + } + } + } + } + + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + // Create only supported types + if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) + { + const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(memTypeIndex); + m_pBlockVectors[memTypeIndex] = vma_new(this, VmaBlockVector)( + this, + VK_NULL_HANDLE, // hParentPool + memTypeIndex, + preferredBlockSize, + 0, + SIZE_MAX, + GetBufferImageGranularity(), + false, // explicitBlockSize + 0, // algorithm + 0.5f, // priority (0.5 is the default per Vulkan spec) + GetMemoryTypeMinAlignment(memTypeIndex), // minAllocationAlignment + VMA_NULL); // // pMemoryAllocateNext + // No need to call m_pBlockVectors[memTypeIndex][blockVectorTypeIndex]->CreateMinBlocks here, + // becase minBlockCount is 0. + } + } +} + +VkResult VmaAllocator_T::Init(const VmaAllocatorCreateInfo* pCreateInfo) +{ + VkResult res = VK_SUCCESS; + +#if VMA_MEMORY_BUDGET + if(m_UseExtMemoryBudget) + { + UpdateVulkanBudget(); + } +#endif // #if VMA_MEMORY_BUDGET + + return res; +} + +VmaAllocator_T::~VmaAllocator_T() +{ + VMA_ASSERT(m_Pools.IsEmpty()); + + for(size_t memTypeIndex = GetMemoryTypeCount(); memTypeIndex--; ) + { + vma_delete(this, m_pBlockVectors[memTypeIndex]); + } +} + +void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions) +{ +#if VMA_STATIC_VULKAN_FUNCTIONS == 1 + ImportVulkanFunctions_Static(); +#endif + + if(pVulkanFunctions != VMA_NULL) + { + ImportVulkanFunctions_Custom(pVulkanFunctions); + } + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + ImportVulkanFunctions_Dynamic(); +#endif + + ValidateVulkanFunctions(); +} + +#if VMA_STATIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Static() +{ + // Vulkan 1.0 + m_VulkanFunctions.vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)vkGetInstanceProcAddr; + m_VulkanFunctions.vkGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)vkGetDeviceProcAddr; + m_VulkanFunctions.vkGetPhysicalDeviceProperties = (PFN_vkGetPhysicalDeviceProperties)vkGetPhysicalDeviceProperties; + m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties = (PFN_vkGetPhysicalDeviceMemoryProperties)vkGetPhysicalDeviceMemoryProperties; + m_VulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkAllocateMemory; + m_VulkanFunctions.vkFreeMemory = (PFN_vkFreeMemory)vkFreeMemory; + m_VulkanFunctions.vkMapMemory = (PFN_vkMapMemory)vkMapMemory; + m_VulkanFunctions.vkUnmapMemory = (PFN_vkUnmapMemory)vkUnmapMemory; + m_VulkanFunctions.vkFlushMappedMemoryRanges = (PFN_vkFlushMappedMemoryRanges)vkFlushMappedMemoryRanges; + m_VulkanFunctions.vkInvalidateMappedMemoryRanges = (PFN_vkInvalidateMappedMemoryRanges)vkInvalidateMappedMemoryRanges; + m_VulkanFunctions.vkBindBufferMemory = (PFN_vkBindBufferMemory)vkBindBufferMemory; + m_VulkanFunctions.vkBindImageMemory = (PFN_vkBindImageMemory)vkBindImageMemory; + m_VulkanFunctions.vkGetBufferMemoryRequirements = (PFN_vkGetBufferMemoryRequirements)vkGetBufferMemoryRequirements; + m_VulkanFunctions.vkGetImageMemoryRequirements = (PFN_vkGetImageMemoryRequirements)vkGetImageMemoryRequirements; + m_VulkanFunctions.vkCreateBuffer = (PFN_vkCreateBuffer)vkCreateBuffer; + m_VulkanFunctions.vkDestroyBuffer = (PFN_vkDestroyBuffer)vkDestroyBuffer; + m_VulkanFunctions.vkCreateImage = (PFN_vkCreateImage)vkCreateImage; + m_VulkanFunctions.vkDestroyImage = (PFN_vkDestroyImage)vkDestroyImage; + m_VulkanFunctions.vkCmdCopyBuffer = (PFN_vkCmdCopyBuffer)vkCmdCopyBuffer; + + // Vulkan 1.1 +#if VMA_VULKAN_VERSION >= 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR = (PFN_vkGetBufferMemoryRequirements2)vkGetBufferMemoryRequirements2; + m_VulkanFunctions.vkGetImageMemoryRequirements2KHR = (PFN_vkGetImageMemoryRequirements2)vkGetImageMemoryRequirements2; + m_VulkanFunctions.vkBindBufferMemory2KHR = (PFN_vkBindBufferMemory2)vkBindBufferMemory2; + m_VulkanFunctions.vkBindImageMemory2KHR = (PFN_vkBindImageMemory2)vkBindImageMemory2; + m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR = (PFN_vkGetPhysicalDeviceMemoryProperties2)vkGetPhysicalDeviceMemoryProperties2; + } +#endif +} + +#endif // VMA_STATIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions) +{ + VMA_ASSERT(pVulkanFunctions != VMA_NULL); + +#define VMA_COPY_IF_NOT_NULL(funcName) \ + if(pVulkanFunctions->funcName != VMA_NULL) m_VulkanFunctions.funcName = pVulkanFunctions->funcName; + + VMA_COPY_IF_NOT_NULL(vkGetInstanceProcAddr); + VMA_COPY_IF_NOT_NULL(vkGetDeviceProcAddr); + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceProperties); + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties); + VMA_COPY_IF_NOT_NULL(vkAllocateMemory); + VMA_COPY_IF_NOT_NULL(vkFreeMemory); + VMA_COPY_IF_NOT_NULL(vkMapMemory); + VMA_COPY_IF_NOT_NULL(vkUnmapMemory); + VMA_COPY_IF_NOT_NULL(vkFlushMappedMemoryRanges); + VMA_COPY_IF_NOT_NULL(vkInvalidateMappedMemoryRanges); + VMA_COPY_IF_NOT_NULL(vkBindBufferMemory); + VMA_COPY_IF_NOT_NULL(vkBindImageMemory); + VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements); + VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements); + VMA_COPY_IF_NOT_NULL(vkCreateBuffer); + VMA_COPY_IF_NOT_NULL(vkDestroyBuffer); + VMA_COPY_IF_NOT_NULL(vkCreateImage); + VMA_COPY_IF_NOT_NULL(vkDestroyImage); + VMA_COPY_IF_NOT_NULL(vkCmdCopyBuffer); + +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements2KHR); + VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements2KHR); +#endif + +#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 + VMA_COPY_IF_NOT_NULL(vkBindBufferMemory2KHR); + VMA_COPY_IF_NOT_NULL(vkBindImageMemory2KHR); +#endif + +#if VMA_MEMORY_BUDGET + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties2KHR); +#endif + +#undef VMA_COPY_IF_NOT_NULL +} + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Dynamic() +{ + VMA_ASSERT(m_VulkanFunctions.vkGetInstanceProcAddr && m_VulkanFunctions.vkGetDeviceProcAddr && + "To use VMA_DYNAMIC_VULKAN_FUNCTIONS in new versions of VMA you now have to pass " + "VmaVulkanFunctions::vkGetInstanceProcAddr and vkGetDeviceProcAddr as VmaAllocatorCreateInfo::pVulkanFunctions. " + "Other members can be null."); + +#define VMA_FETCH_INSTANCE_FUNC(memberName, functionPointerType, functionNameString) \ + if(m_VulkanFunctions.memberName == VMA_NULL) \ + m_VulkanFunctions.memberName = \ + (functionPointerType)m_VulkanFunctions.vkGetInstanceProcAddr(m_hInstance, functionNameString); +#define VMA_FETCH_DEVICE_FUNC(memberName, functionPointerType, functionNameString) \ + if(m_VulkanFunctions.memberName == VMA_NULL) \ + m_VulkanFunctions.memberName = \ + (functionPointerType)m_VulkanFunctions.vkGetDeviceProcAddr(m_hDevice, functionNameString); + + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceProperties, PFN_vkGetPhysicalDeviceProperties, "vkGetPhysicalDeviceProperties"); + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties, PFN_vkGetPhysicalDeviceMemoryProperties, "vkGetPhysicalDeviceMemoryProperties"); + VMA_FETCH_DEVICE_FUNC(vkAllocateMemory, PFN_vkAllocateMemory, "vkAllocateMemory"); + VMA_FETCH_DEVICE_FUNC(vkFreeMemory, PFN_vkFreeMemory, "vkFreeMemory"); + VMA_FETCH_DEVICE_FUNC(vkMapMemory, PFN_vkMapMemory, "vkMapMemory"); + VMA_FETCH_DEVICE_FUNC(vkUnmapMemory, PFN_vkUnmapMemory, "vkUnmapMemory"); + VMA_FETCH_DEVICE_FUNC(vkFlushMappedMemoryRanges, PFN_vkFlushMappedMemoryRanges, "vkFlushMappedMemoryRanges"); + VMA_FETCH_DEVICE_FUNC(vkInvalidateMappedMemoryRanges, PFN_vkInvalidateMappedMemoryRanges, "vkInvalidateMappedMemoryRanges"); + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory, PFN_vkBindBufferMemory, "vkBindBufferMemory"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory, PFN_vkBindImageMemory, "vkBindImageMemory"); + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements, PFN_vkGetBufferMemoryRequirements, "vkGetBufferMemoryRequirements"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements, PFN_vkGetImageMemoryRequirements, "vkGetImageMemoryRequirements"); + VMA_FETCH_DEVICE_FUNC(vkCreateBuffer, PFN_vkCreateBuffer, "vkCreateBuffer"); + VMA_FETCH_DEVICE_FUNC(vkDestroyBuffer, PFN_vkDestroyBuffer, "vkDestroyBuffer"); + VMA_FETCH_DEVICE_FUNC(vkCreateImage, PFN_vkCreateImage, "vkCreateImage"); + VMA_FETCH_DEVICE_FUNC(vkDestroyImage, PFN_vkDestroyImage, "vkDestroyImage"); + VMA_FETCH_DEVICE_FUNC(vkCmdCopyBuffer, PFN_vkCmdCopyBuffer, "vkCmdCopyBuffer"); + +#if VMA_VULKAN_VERSION >= 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2, "vkGetBufferMemoryRequirements2"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2, "vkGetImageMemoryRequirements2"); + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2, "vkBindBufferMemory2"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2, "vkBindImageMemory2"); + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2, "vkGetPhysicalDeviceMemoryProperties2"); + } +#endif + +#if VMA_DEDICATED_ALLOCATION + if(m_UseKhrDedicatedAllocation) + { + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2KHR, "vkGetBufferMemoryRequirements2KHR"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2KHR, "vkGetImageMemoryRequirements2KHR"); + } +#endif + +#if VMA_BIND_MEMORY2 + if(m_UseKhrBindMemory2) + { + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2KHR, "vkBindBufferMemory2KHR"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2KHR, "vkBindImageMemory2KHR"); + } +#endif // #if VMA_BIND_MEMORY2 + +#if VMA_MEMORY_BUDGET + if(m_UseExtMemoryBudget) + { + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2KHR, "vkGetPhysicalDeviceMemoryProperties2KHR"); + } +#endif // #if VMA_MEMORY_BUDGET + +#undef VMA_FETCH_DEVICE_FUNC +#undef VMA_FETCH_INSTANCE_FUNC +} + +#endif // VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ValidateVulkanFunctions() +{ + VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceProperties != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkAllocateMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkFreeMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkMapMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkUnmapMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkFlushMappedMemoryRanges != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkInvalidateMappedMemoryRanges != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkBindBufferMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkBindImageMemory != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkGetBufferMemoryRequirements != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkGetImageMemoryRequirements != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkCreateBuffer != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkDestroyBuffer != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkCreateImage != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkDestroyImage != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkCmdCopyBuffer != VMA_NULL); + +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrDedicatedAllocation) + { + VMA_ASSERT(m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkGetImageMemoryRequirements2KHR != VMA_NULL); + } +#endif + +#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrBindMemory2) + { + VMA_ASSERT(m_VulkanFunctions.vkBindBufferMemory2KHR != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL); + } +#endif + +#if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 + if(m_UseExtMemoryBudget || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR != VMA_NULL); + } +#endif +} + +VkDeviceSize VmaAllocator_T::CalcPreferredBlockSize(uint32_t memTypeIndex) +{ + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + const VkDeviceSize heapSize = m_MemProps.memoryHeaps[heapIndex].size; + const bool isSmallHeap = heapSize <= VMA_SMALL_HEAP_MAX_SIZE; + return VmaAlignUp(isSmallHeap ? (heapSize / 8) : m_PreferredLargeHeapBlockSize, (VkDeviceSize)32); +} + +VkResult VmaAllocator_T::AllocateMemoryOfType( + VmaPool pool, + VkDeviceSize size, + VkDeviceSize alignment, + bool dedicatedPreferred, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, + VkImage dedicatedImage, + const VmaAllocationCreateInfo& createInfo, + uint32_t memTypeIndex, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + VmaBlockVector& blockVector, + size_t allocationCount, + VmaAllocation* pAllocations) +{ + VMA_ASSERT(pAllocations != VMA_NULL); + VMA_DEBUG_LOG(" AllocateMemory: MemoryTypeIndex=%u, AllocationCount=%zu, Size=%llu", memTypeIndex, allocationCount, size); + + VmaAllocationCreateInfo finalCreateInfo = createInfo; + VkResult res = CalcMemTypeParams( + finalCreateInfo, + memTypeIndex, + size, + allocationCount); + if(res != VK_SUCCESS) + return res; + + if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) + { + return AllocateDedicatedMemory( + pool, + size, + suballocType, + dedicatedAllocations, + memTypeIndex, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, + finalCreateInfo.pUserData, + finalCreateInfo.priority, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + allocationCount, + pAllocations, + blockVector.GetAllocationNextPtr()); + } + else + { + const bool canAllocateDedicated = + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0 && + (pool == VK_NULL_HANDLE || !blockVector.HasExplicitBlockSize()); + + if(canAllocateDedicated) + { + // Heuristics: Allocate dedicated memory if requested size if greater than half of preferred block size. + if(size > blockVector.GetPreferredBlockSize() / 2) + { + dedicatedPreferred = true; + } + // Protection against creating each allocation as dedicated when we reach or exceed heap size/budget, + // which can quickly deplete maxMemoryAllocationCount: Don't prefer dedicated allocations when above + // 3/4 of the maximum allocation count. + if(m_DeviceMemoryCount.load() > m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount * 3 / 4) + { + dedicatedPreferred = false; + } + + if(dedicatedPreferred) + { + res = AllocateDedicatedMemory( + pool, + size, + suballocType, + dedicatedAllocations, + memTypeIndex, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, + finalCreateInfo.pUserData, + finalCreateInfo.priority, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + allocationCount, + pAllocations, + blockVector.GetAllocationNextPtr()); + if(res == VK_SUCCESS) + { + // Succeeded: AllocateDedicatedMemory function already filld pMemory, nothing more to do here. + VMA_DEBUG_LOG(" Allocated as DedicatedMemory"); + return VK_SUCCESS; + } + } + } + + res = blockVector.Allocate( + size, + alignment, + finalCreateInfo, + suballocType, + allocationCount, + pAllocations); + if(res == VK_SUCCESS) + return VK_SUCCESS; + + // Try dedicated memory. + if(canAllocateDedicated && !dedicatedPreferred) + { + res = AllocateDedicatedMemory( + pool, + size, + suballocType, + dedicatedAllocations, + memTypeIndex, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, + finalCreateInfo.pUserData, + finalCreateInfo.priority, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + allocationCount, + pAllocations, + blockVector.GetAllocationNextPtr()); + if(res == VK_SUCCESS) + { + // Succeeded: AllocateDedicatedMemory function already filld pMemory, nothing more to do here. + VMA_DEBUG_LOG(" Allocated as DedicatedMemory"); + return VK_SUCCESS; + } + } + // Everything failed: Return error code. + VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); + return res; + } +} + +VkResult VmaAllocator_T::AllocateDedicatedMemory( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + uint32_t memTypeIndex, + bool map, + bool isUserDataString, + bool canAliasMemory, + void* pUserData, + float priority, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, + VkImage dedicatedImage, + size_t allocationCount, + VmaAllocation* pAllocations, + const void* pNextChain) +{ + VMA_ASSERT(allocationCount > 0 && pAllocations); + + VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; + allocInfo.memoryTypeIndex = memTypeIndex; + allocInfo.allocationSize = size; + allocInfo.pNext = pNextChain; + +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + VkMemoryDedicatedAllocateInfoKHR dedicatedAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR }; + if(!canAliasMemory) + { + if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + if(dedicatedBuffer != VK_NULL_HANDLE) + { + VMA_ASSERT(dedicatedImage == VK_NULL_HANDLE); + dedicatedAllocInfo.buffer = dedicatedBuffer; + VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); + } + else if(dedicatedImage != VK_NULL_HANDLE) + { + dedicatedAllocInfo.image = dedicatedImage; + VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); + } + } + } +#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + +#if VMA_BUFFER_DEVICE_ADDRESS + VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; + if(m_UseKhrBufferDeviceAddress) + { + bool canContainBufferWithDeviceAddress = true; + if(dedicatedBuffer != VK_NULL_HANDLE) + { + canContainBufferWithDeviceAddress = dedicatedBufferUsage == UINT32_MAX || // Usage flags unknown + (dedicatedBufferUsage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_EXT) != 0; + } + else if(dedicatedImage != VK_NULL_HANDLE) + { + canContainBufferWithDeviceAddress = false; + } + if(canContainBufferWithDeviceAddress) + { + allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; + VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); + } + } +#endif // #if VMA_BUFFER_DEVICE_ADDRESS + +#if VMA_MEMORY_PRIORITY + VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; + if(m_UseExtMemoryPriority) + { + priorityInfo.priority = priority; + VmaPnextChainPushFront(&allocInfo, &priorityInfo); + } +#endif // #if VMA_MEMORY_PRIORITY + +#if VMA_EXTERNAL_MEMORY + // Attach VkExportMemoryAllocateInfoKHR if necessary. + VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; + exportMemoryAllocInfo.handleTypes = GetExternalMemoryHandleTypeFlags(memTypeIndex); + if(exportMemoryAllocInfo.handleTypes != 0) + { + VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); + } +#endif // #if VMA_EXTERNAL_MEMORY + + size_t allocIndex; + VkResult res = VK_SUCCESS; + for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + res = AllocateDedicatedMemoryPage( + pool, + size, + suballocType, + memTypeIndex, + allocInfo, + map, + isUserDataString, + pUserData, + pAllocations + allocIndex); + if(res != VK_SUCCESS) + { + break; + } + } + + if(res == VK_SUCCESS) + { + for (allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + dedicatedAllocations.Register(pAllocations[allocIndex]); + } + VMA_DEBUG_LOG(" Allocated DedicatedMemory Count=%zu, MemoryTypeIndex=#%u", allocationCount, memTypeIndex); + } + else + { + // Free all already created allocations. + while(allocIndex--) + { + VmaAllocation currAlloc = pAllocations[allocIndex]; + VkDeviceMemory hMemory = currAlloc->GetMemory(); + + /* + There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory + before vkFreeMemory. + + if(currAlloc->GetMappedData() != VMA_NULL) + { + (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); + } + */ + + FreeVulkanMemory(memTypeIndex, currAlloc->GetSize(), hMemory); + m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), currAlloc->GetSize()); + currAlloc->SetUserData(this, VMA_NULL); + m_AllocationObjectAllocator.Free(currAlloc); + } + + memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); + } + + return res; +} + +VkResult VmaAllocator_T::AllocateDedicatedMemoryPage( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + uint32_t memTypeIndex, + const VkMemoryAllocateInfo& allocInfo, + bool map, + bool isUserDataString, + void* pUserData, + VmaAllocation* pAllocation) +{ + VkDeviceMemory hMemory = VK_NULL_HANDLE; + VkResult res = AllocateVulkanMemory(&allocInfo, &hMemory); + if(res < 0) + { + VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); + return res; + } + + void* pMappedData = VMA_NULL; + if(map) + { + res = (*m_VulkanFunctions.vkMapMemory)( + m_hDevice, + hMemory, + 0, + VK_WHOLE_SIZE, + 0, + &pMappedData); + if(res < 0) + { + VMA_DEBUG_LOG(" vkMapMemory FAILED"); + FreeVulkanMemory(memTypeIndex, size, hMemory); + return res; + } + } + + *pAllocation = m_AllocationObjectAllocator.Allocate(isUserDataString); + (*pAllocation)->InitDedicatedAllocation(pool, memTypeIndex, hMemory, suballocType, pMappedData, size); + (*pAllocation)->SetUserData(this, pUserData); + m_Budget.AddAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), size); + if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) + { + FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); + } + + return VK_SUCCESS; +} + +void VmaAllocator_T::GetBufferMemoryRequirements( + VkBuffer hBuffer, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const +{ +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VkBufferMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR }; + memReqInfo.buffer = hBuffer; + + VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; + + VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; + VmaPnextChainPushFront(&memReq2, &memDedicatedReq); + + (*m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); + + memReq = memReq2.memoryRequirements; + requiresDedicatedAllocation = (memDedicatedReq.requiresDedicatedAllocation != VK_FALSE); + prefersDedicatedAllocation = (memDedicatedReq.prefersDedicatedAllocation != VK_FALSE); + } + else +#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + { + (*m_VulkanFunctions.vkGetBufferMemoryRequirements)(m_hDevice, hBuffer, &memReq); + requiresDedicatedAllocation = false; + prefersDedicatedAllocation = false; + } +} + +void VmaAllocator_T::GetImageMemoryRequirements( + VkImage hImage, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const +{ +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VkImageMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR }; + memReqInfo.image = hImage; + + VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; + + VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; + VmaPnextChainPushFront(&memReq2, &memDedicatedReq); + + (*m_VulkanFunctions.vkGetImageMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); + + memReq = memReq2.memoryRequirements; + requiresDedicatedAllocation = (memDedicatedReq.requiresDedicatedAllocation != VK_FALSE); + prefersDedicatedAllocation = (memDedicatedReq.prefersDedicatedAllocation != VK_FALSE); + } + else +#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + { + (*m_VulkanFunctions.vkGetImageMemoryRequirements)(m_hDevice, hImage, &memReq); + requiresDedicatedAllocation = false; + prefersDedicatedAllocation = false; + } +} + +VkResult VmaAllocator_T::CalcMemTypeParams( + VmaAllocationCreateInfo& inoutCreateInfo, + uint32_t memTypeIndex, + VkDeviceSize size, + size_t allocationCount) +{ + // If memory type is not HOST_VISIBLE, disable MAPPED. + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && + (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + { + inoutCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; + } + + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0) + { + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + VmaBudget heapBudget = {}; + GetHeapBudgets(&heapBudget, heapIndex, 1); + if(heapBudget.usage + size * allocationCount > heapBudget.budget) + { + return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + } + return VK_SUCCESS; +} + +VkResult VmaAllocator_T::CalcAllocationParams( + VmaAllocationCreateInfo& inoutCreateInfo, + bool dedicatedRequired, + bool dedicatedPreferred) +{ + if(dedicatedRequired || + // If memory is lazily allocated, it should be always dedicated. + inoutCreateInfo.usage == VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED) + { + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + } + + if(inoutCreateInfo.pool != VK_NULL_HANDLE) + { + if(inoutCreateInfo.pool->m_BlockVector.HasExplicitBlockSize() && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) + { + VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); + return VK_ERROR_FEATURE_NOT_PRESENT; + } + inoutCreateInfo.priority = inoutCreateInfo.pool->m_BlockVector.GetPriority(); + } + + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) + { + VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT together with VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT makes no sense."); + return VK_ERROR_FEATURE_NOT_PRESENT; + } + + if(VMA_DEBUG_ALWAYS_DEDICATED_MEMORY && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) + { + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + } + return VK_SUCCESS; +} + +VkResult VmaAllocator_T::AllocateMemory( + const VkMemoryRequirements& vkMemReq, + bool requiresDedicatedAllocation, + bool prefersDedicatedAllocation, + VkBuffer dedicatedBuffer, + VkBufferUsageFlags dedicatedBufferUsage, + VkImage dedicatedImage, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations) +{ + memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); + + VMA_ASSERT(VmaIsPow2(vkMemReq.alignment)); + + if(vkMemReq.size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + + VmaAllocationCreateInfo createInfoFinal = createInfo; + VkResult res = CalcAllocationParams(createInfoFinal, requiresDedicatedAllocation, prefersDedicatedAllocation); + if(res != VK_SUCCESS) + return res; + + if(createInfoFinal.pool != VK_NULL_HANDLE) + { + VmaBlockVector& blockVector = createInfoFinal.pool->m_BlockVector; + return AllocateMemoryOfType( + createInfoFinal.pool, + vkMemReq.size, + vkMemReq.alignment, + prefersDedicatedAllocation, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + createInfoFinal, + blockVector.GetMemoryTypeIndex(), + suballocType, + createInfoFinal.pool->m_DedicatedAllocations, + blockVector, + allocationCount, + pAllocations); + } + else + { + // Bit mask of memory Vulkan types acceptable for this allocation. + uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; + uint32_t memTypeIndex = UINT32_MAX; + res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); + // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. + if(res != VK_SUCCESS) + return res; + do + { + VmaBlockVector* blockVector = m_pBlockVectors[memTypeIndex]; + VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); + res = AllocateMemoryOfType( + VK_NULL_HANDLE, + vkMemReq.size, + vkMemReq.alignment, + requiresDedicatedAllocation || prefersDedicatedAllocation, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + createInfoFinal, + memTypeIndex, + suballocType, + m_DedicatedAllocations[memTypeIndex], + *blockVector, + allocationCount, + pAllocations); + // Allocation succeeded + if(res == VK_SUCCESS) + return VK_SUCCESS; + + // Remove old memTypeIndex from list of possibilities. + memoryTypeBits &= ~(1u << memTypeIndex); + // Find alternative memTypeIndex. + res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); + } while(res == VK_SUCCESS); + + // No other matching memory type index could be found. + // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. + return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } +} + +void VmaAllocator_T::FreeMemory( + size_t allocationCount, + const VmaAllocation* pAllocations) +{ + VMA_ASSERT(pAllocations); + + for(size_t allocIndex = allocationCount; allocIndex--; ) + { + VmaAllocation allocation = pAllocations[allocIndex]; + + if(allocation != VK_NULL_HANDLE) + { + if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) + { + FillAllocation(allocation, VMA_ALLOCATION_FILL_PATTERN_DESTROYED); + } + + switch(allocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + VmaBlockVector* pBlockVector = VMA_NULL; + VmaPool hPool = allocation->GetParentPool(); + if(hPool != VK_NULL_HANDLE) + { + pBlockVector = &hPool->m_BlockVector; + } + else + { + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + pBlockVector = m_pBlockVectors[memTypeIndex]; + VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); + } + pBlockVector->Free(allocation); + } + break; + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + FreeDedicatedMemory(allocation); + break; + default: + VMA_ASSERT(0); + } + + m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(allocation->GetMemoryTypeIndex()), allocation->GetSize()); + allocation->SetUserData(this, VMA_NULL); + m_AllocationObjectAllocator.Free(allocation); + } + } +} + +void VmaAllocator_T::CalculateStats(VmaStats* pStats) +{ + // Initialize. + VmaInitStatInfo(pStats->total); + for(size_t i = 0; i < VK_MAX_MEMORY_TYPES; ++i) + VmaInitStatInfo(pStats->memoryType[i]); + for(size_t i = 0; i < VK_MAX_MEMORY_HEAPS; ++i) + VmaInitStatInfo(pStats->memoryHeap[i]); + + // Process default pools. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; + if (pBlockVector != VMA_NULL) + pBlockVector->AddStats(pStats); + } + + // Process custom pools. + { + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) + { + VmaBlockVector& blockVector = pool->m_BlockVector; + blockVector.AddStats(pStats); + const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); + const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + pool->m_DedicatedAllocations.AddStats(pStats, memTypeIndex, memHeapIndex); + } + } + + // Process dedicated allocations. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + m_DedicatedAllocations[memTypeIndex].AddStats(pStats, memTypeIndex, memHeapIndex); + } + + // Postprocess. + VmaPostprocessCalcStatInfo(pStats->total); + for(size_t i = 0; i < GetMemoryTypeCount(); ++i) + VmaPostprocessCalcStatInfo(pStats->memoryType[i]); + for(size_t i = 0; i < GetMemoryHeapCount(); ++i) + VmaPostprocessCalcStatInfo(pStats->memoryHeap[i]); +} + +void VmaAllocator_T::GetHeapBudgets(VmaBudget* outBudgets, uint32_t firstHeap, uint32_t heapCount) +{ +#if VMA_MEMORY_BUDGET + if(m_UseExtMemoryBudget) + { + if(m_Budget.m_OperationsSinceBudgetFetch < 30) + { + VmaMutexLockRead lockRead(m_Budget.m_BudgetMutex, m_UseMutex); + for(uint32_t i = 0; i < heapCount; ++i, ++outBudgets) + { + const uint32_t heapIndex = firstHeap + i; + + outBudgets->blockBytes = m_Budget.m_BlockBytes[heapIndex]; + outBudgets->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; + + if(m_Budget.m_VulkanUsage[heapIndex] + outBudgets->blockBytes > m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]) + { + outBudgets->usage = m_Budget.m_VulkanUsage[heapIndex] + + outBudgets->blockBytes - m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; + } + else + { + outBudgets->usage = 0; + } + + // Have to take MIN with heap size because explicit HeapSizeLimit is included in it. + outBudgets->budget = VMA_MIN( + m_Budget.m_VulkanBudget[heapIndex], m_MemProps.memoryHeaps[heapIndex].size); + } + } + else + { + UpdateVulkanBudget(); // Outside of mutex lock + GetHeapBudgets(outBudgets, firstHeap, heapCount); // Recursion + } + } + else +#endif + { + for(uint32_t i = 0; i < heapCount; ++i, ++outBudgets) + { + const uint32_t heapIndex = firstHeap + i; + + outBudgets->blockBytes = m_Budget.m_BlockBytes[heapIndex]; + outBudgets->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; + + outBudgets->usage = outBudgets->blockBytes; + outBudgets->budget = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. + } + } +} + +VkResult VmaAllocator_T::DefragmentationBegin( + const VmaDefragmentationInfo2& info, + VmaDefragmentationStats* pStats, + VmaDefragmentationContext* pContext) +{ + if(info.pAllocationsChanged != VMA_NULL) + { + memset(info.pAllocationsChanged, 0, info.allocationCount * sizeof(VkBool32)); + } + + *pContext = vma_new(this, VmaDefragmentationContext_T)( + this, info.flags, pStats); + + (*pContext)->AddPools(info.poolCount, info.pPools); + (*pContext)->AddAllocations( + info.allocationCount, info.pAllocations, info.pAllocationsChanged); + + VkResult res = (*pContext)->Defragment( + info.maxCpuBytesToMove, info.maxCpuAllocationsToMove, + info.maxGpuBytesToMove, info.maxGpuAllocationsToMove, + info.commandBuffer, pStats, info.flags); + + if(res != VK_NOT_READY) + { + vma_delete(this, *pContext); + *pContext = VMA_NULL; + } + + return res; +} + +VkResult VmaAllocator_T::DefragmentationEnd( + VmaDefragmentationContext context) +{ + vma_delete(this, context); + return VK_SUCCESS; +} + +VkResult VmaAllocator_T::DefragmentationPassBegin( + VmaDefragmentationPassInfo* pInfo, + VmaDefragmentationContext context) +{ + return context->DefragmentPassBegin(pInfo); +} + +VkResult VmaAllocator_T::DefragmentationPassEnd( + VmaDefragmentationContext context) +{ + return context->DefragmentPassEnd(); +} + +void VmaAllocator_T::GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo) +{ + pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); + pAllocationInfo->deviceMemory = hAllocation->GetMemory(); + pAllocationInfo->offset = hAllocation->GetOffset(); + pAllocationInfo->size = hAllocation->GetSize(); + pAllocationInfo->pMappedData = hAllocation->GetMappedData(); + pAllocationInfo->pUserData = hAllocation->GetUserData(); +} + +VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool) +{ + VMA_DEBUG_LOG(" CreatePool: MemoryTypeIndex=%u, flags=%u", pCreateInfo->memoryTypeIndex, pCreateInfo->flags); + + VmaPoolCreateInfo newCreateInfo = *pCreateInfo; + + // Protection against uninitialized new structure member. If garbage data are left there, this pointer dereference would crash. + if(pCreateInfo->pMemoryAllocateNext) + { + VMA_ASSERT(((const VkBaseInStructure*)pCreateInfo->pMemoryAllocateNext)->sType != 0); + } + + if(newCreateInfo.maxBlockCount == 0) + { + newCreateInfo.maxBlockCount = SIZE_MAX; + } + if(newCreateInfo.minBlockCount > newCreateInfo.maxBlockCount) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + // Memory type index out of range or forbidden. + if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() || + ((1u << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0) + { + return VK_ERROR_FEATURE_NOT_PRESENT; + } + if(newCreateInfo.minAllocationAlignment > 0) + { + VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment)); + } + + const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex); + + *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo, preferredBlockSize); + + VkResult res = (*pPool)->m_BlockVector.CreateMinBlocks(); + if(res != VK_SUCCESS) + { + vma_delete(this, *pPool); + *pPool = VMA_NULL; + return res; + } + + // Add to m_Pools. + { + VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); + (*pPool)->SetId(m_NextPoolId++); + m_Pools.PushBack(*pPool); + } + + return VK_SUCCESS; +} + +void VmaAllocator_T::DestroyPool(VmaPool pool) +{ + // Remove from m_Pools. + { + VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); + m_Pools.Remove(pool); + } + + vma_delete(this, pool); +} + +void VmaAllocator_T::GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats) +{ + pPoolStats->size = 0; + pPoolStats->unusedSize = 0; + pPoolStats->allocationCount = 0; + pPoolStats->unusedRangeCount = 0; + pPoolStats->blockCount = 0; + + pool->m_BlockVector.AddPoolStats(pPoolStats); + pool->m_DedicatedAllocations.AddPoolStats(pPoolStats); +} + +void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) +{ + m_CurrentFrameIndex.store(frameIndex); + +#if VMA_MEMORY_BUDGET + if(m_UseExtMemoryBudget) + { + UpdateVulkanBudget(); + } +#endif // #if VMA_MEMORY_BUDGET +} + +VkResult VmaAllocator_T::CheckPoolCorruption(VmaPool hPool) +{ + return hPool->m_BlockVector.CheckCorruption(); +} + +VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) +{ + VkResult finalRes = VK_ERROR_FEATURE_NOT_PRESENT; + + // Process default pools. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; + if(pBlockVector != VMA_NULL) + { + VkResult localRes = pBlockVector->CheckCorruption(); + switch(localRes) + { + case VK_ERROR_FEATURE_NOT_PRESENT: + break; + case VK_SUCCESS: + finalRes = VK_SUCCESS; + break; + default: + return localRes; + } + } + } + + // Process custom pools. + { + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) + { + if(((1u << pool->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) + { + VkResult localRes = pool->m_BlockVector.CheckCorruption(); + switch(localRes) + { + case VK_ERROR_FEATURE_NOT_PRESENT: + break; + case VK_SUCCESS: + finalRes = VK_SUCCESS; + break; + default: + return localRes; + } + } + } + } + + return finalRes; +} + +VkResult VmaAllocator_T::AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory) +{ + AtomicTransactionalIncrement deviceMemoryCountIncrement; + const uint64_t prevDeviceMemoryCount = deviceMemoryCountIncrement.Increment(&m_DeviceMemoryCount); +#if VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT + if(prevDeviceMemoryCount >= m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount) + { + return VK_ERROR_TOO_MANY_OBJECTS; + } +#endif + + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(pAllocateInfo->memoryTypeIndex); + + // HeapSizeLimit is in effect for this heap. + if((m_HeapSizeLimitMask & (1u << heapIndex)) != 0) + { + const VkDeviceSize heapSize = m_MemProps.memoryHeaps[heapIndex].size; + VkDeviceSize blockBytes = m_Budget.m_BlockBytes[heapIndex]; + for(;;) + { + const VkDeviceSize blockBytesAfterAllocation = blockBytes + pAllocateInfo->allocationSize; + if(blockBytesAfterAllocation > heapSize) + { + return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + if(m_Budget.m_BlockBytes[heapIndex].compare_exchange_strong(blockBytes, blockBytesAfterAllocation)) + { + break; + } + } + } + else + { + m_Budget.m_BlockBytes[heapIndex] += pAllocateInfo->allocationSize; + } + + // VULKAN CALL vkAllocateMemory. + VkResult res = (*m_VulkanFunctions.vkAllocateMemory)(m_hDevice, pAllocateInfo, GetAllocationCallbacks(), pMemory); + + if(res == VK_SUCCESS) + { +#if VMA_MEMORY_BUDGET + ++m_Budget.m_OperationsSinceBudgetFetch; +#endif + + // Informative callback. + if(m_DeviceMemoryCallbacks.pfnAllocate != VMA_NULL) + { + (*m_DeviceMemoryCallbacks.pfnAllocate)(this, pAllocateInfo->memoryTypeIndex, *pMemory, pAllocateInfo->allocationSize, m_DeviceMemoryCallbacks.pUserData); + } + + deviceMemoryCountIncrement.Commit(); + } + else + { + m_Budget.m_BlockBytes[heapIndex] -= pAllocateInfo->allocationSize; + } + + return res; +} + +void VmaAllocator_T::FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory) +{ + // Informative callback. + if(m_DeviceMemoryCallbacks.pfnFree != VMA_NULL) + { + (*m_DeviceMemoryCallbacks.pfnFree)(this, memoryType, hMemory, size, m_DeviceMemoryCallbacks.pUserData); + } + + // VULKAN CALL vkFreeMemory. + (*m_VulkanFunctions.vkFreeMemory)(m_hDevice, hMemory, GetAllocationCallbacks()); + + m_Budget.m_BlockBytes[MemoryTypeIndexToHeapIndex(memoryType)] -= size; + + --m_DeviceMemoryCount; +} + +VkResult VmaAllocator_T::BindVulkanBuffer( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkBuffer buffer, + const void* pNext) +{ + if(pNext != VMA_NULL) + { +#if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 + if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && + m_VulkanFunctions.vkBindBufferMemory2KHR != VMA_NULL) + { + VkBindBufferMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR }; + bindBufferMemoryInfo.pNext = pNext; + bindBufferMemoryInfo.buffer = buffer; + bindBufferMemoryInfo.memory = memory; + bindBufferMemoryInfo.memoryOffset = memoryOffset; + return (*m_VulkanFunctions.vkBindBufferMemory2KHR)(m_hDevice, 1, &bindBufferMemoryInfo); + } + else +#endif // #if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 + { + return VK_ERROR_EXTENSION_NOT_PRESENT; + } + } + else + { + return (*m_VulkanFunctions.vkBindBufferMemory)(m_hDevice, buffer, memory, memoryOffset); + } +} + +VkResult VmaAllocator_T::BindVulkanImage( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkImage image, + const void* pNext) +{ + if(pNext != VMA_NULL) + { +#if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 + if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && + m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL) + { + VkBindImageMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR }; + bindBufferMemoryInfo.pNext = pNext; + bindBufferMemoryInfo.image = image; + bindBufferMemoryInfo.memory = memory; + bindBufferMemoryInfo.memoryOffset = memoryOffset; + return (*m_VulkanFunctions.vkBindImageMemory2KHR)(m_hDevice, 1, &bindBufferMemoryInfo); + } + else +#endif // #if VMA_BIND_MEMORY2 + { + return VK_ERROR_EXTENSION_NOT_PRESENT; + } + } + else + { + return (*m_VulkanFunctions.vkBindImageMemory)(m_hDevice, image, memory, memoryOffset); + } +} + +VkResult VmaAllocator_T::Map(VmaAllocation hAllocation, void** ppData) +{ + switch(hAllocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); + char *pBytes = VMA_NULL; + VkResult res = pBlock->Map(this, 1, (void**)&pBytes); + if(res == VK_SUCCESS) + { + *ppData = pBytes + (ptrdiff_t)hAllocation->GetOffset(); + hAllocation->BlockAllocMap(); + } + return res; + } + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + return hAllocation->DedicatedAllocMap(this, ppData); + default: + VMA_ASSERT(0); + return VK_ERROR_MEMORY_MAP_FAILED; + } +} + +void VmaAllocator_T::Unmap(VmaAllocation hAllocation) +{ + switch(hAllocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); + hAllocation->BlockAllocUnmap(); + pBlock->Unmap(this, 1); + } + break; + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + hAllocation->DedicatedAllocUnmap(this); + break; + default: + VMA_ASSERT(0); + } +} + +VkResult VmaAllocator_T::BindBufferMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext) +{ + VkResult res = VK_SUCCESS; + switch(hAllocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + res = BindVulkanBuffer(hAllocation->GetMemory(), allocationLocalOffset, hBuffer, pNext); + break; + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); + VMA_ASSERT(pBlock && "Binding buffer to allocation that doesn't belong to any block."); + res = pBlock->BindBufferMemory(this, hAllocation, allocationLocalOffset, hBuffer, pNext); + break; + } + default: + VMA_ASSERT(0); + } + return res; +} + +VkResult VmaAllocator_T::BindImageMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext) +{ + VkResult res = VK_SUCCESS; + switch(hAllocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + res = BindVulkanImage(hAllocation->GetMemory(), allocationLocalOffset, hImage, pNext); + break; + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); + VMA_ASSERT(pBlock && "Binding image to allocation that doesn't belong to any block."); + res = pBlock->BindImageMemory(this, hAllocation, allocationLocalOffset, hImage, pNext); + break; + } + default: + VMA_ASSERT(0); + } + return res; +} + +VkResult VmaAllocator_T::FlushOrInvalidateAllocation( + VmaAllocation hAllocation, + VkDeviceSize offset, VkDeviceSize size, + VMA_CACHE_OPERATION op) +{ + VkResult res = VK_SUCCESS; + + VkMappedMemoryRange memRange = {}; + if(GetFlushOrInvalidateRange(hAllocation, offset, size, memRange)) + { + switch(op) + { + case VMA_CACHE_FLUSH: + res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, 1, &memRange); + break; + case VMA_CACHE_INVALIDATE: + res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, 1, &memRange); + break; + default: + VMA_ASSERT(0); + } + } + // else: Just ignore this call. + return res; +} + +VkResult VmaAllocator_T::FlushOrInvalidateAllocations( + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, const VkDeviceSize* sizes, + VMA_CACHE_OPERATION op) +{ + typedef VmaStlAllocator RangeAllocator; + typedef VmaSmallVector RangeVector; + RangeVector ranges = RangeVector(RangeAllocator(GetAllocationCallbacks())); + + for(uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + const VmaAllocation alloc = allocations[allocIndex]; + const VkDeviceSize offset = offsets != VMA_NULL ? offsets[allocIndex] : 0; + const VkDeviceSize size = sizes != VMA_NULL ? sizes[allocIndex] : VK_WHOLE_SIZE; + VkMappedMemoryRange newRange; + if(GetFlushOrInvalidateRange(alloc, offset, size, newRange)) + { + ranges.push_back(newRange); + } + } + + VkResult res = VK_SUCCESS; + if(!ranges.empty()) + { + switch(op) + { + case VMA_CACHE_FLUSH: + res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); + break; + case VMA_CACHE_INVALIDATE: + res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); + break; + default: + VMA_ASSERT(0); + } + } + // else: Just ignore this call. + return res; +} + +void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) +{ + VMA_ASSERT(allocation && allocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + VmaPool parentPool = allocation->GetParentPool(); + if(parentPool == VK_NULL_HANDLE) + { + // Default pool + m_DedicatedAllocations[memTypeIndex].Unregister(allocation); + } + else + { + // Custom pool + parentPool->m_DedicatedAllocations.Unregister(allocation); + } + + VkDeviceMemory hMemory = allocation->GetMemory(); + + /* + There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory + before vkFreeMemory. + + if(allocation->GetMappedData() != VMA_NULL) + { + (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); + } + */ + + FreeVulkanMemory(memTypeIndex, allocation->GetSize(), hMemory); + + VMA_DEBUG_LOG(" Freed DedicatedMemory MemoryTypeIndex=%u", memTypeIndex); +} + +uint32_t VmaAllocator_T::CalculateGpuDefragmentationMemoryTypeBits() const +{ + VkBufferCreateInfo dummyBufCreateInfo; + VmaFillGpuDefragmentationBufferCreateInfo(dummyBufCreateInfo); + + uint32_t memoryTypeBits = 0; + + // Create buffer. + VkBuffer buf = VK_NULL_HANDLE; + VkResult res = (*GetVulkanFunctions().vkCreateBuffer)( + m_hDevice, &dummyBufCreateInfo, GetAllocationCallbacks(), &buf); + if(res == VK_SUCCESS) + { + // Query for supported memory types. + VkMemoryRequirements memReq; + (*GetVulkanFunctions().vkGetBufferMemoryRequirements)(m_hDevice, buf, &memReq); + memoryTypeBits = memReq.memoryTypeBits; + + // Destroy buffer. + (*GetVulkanFunctions().vkDestroyBuffer)(m_hDevice, buf, GetAllocationCallbacks()); + } + + return memoryTypeBits; +} + +uint32_t VmaAllocator_T::CalculateGlobalMemoryTypeBits() const +{ + // Make sure memory information is already fetched. + VMA_ASSERT(GetMemoryTypeCount() > 0); + + uint32_t memoryTypeBits = UINT32_MAX; + + if(!m_UseAmdDeviceCoherentMemory) + { + // Exclude memory types that have VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + if((m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) != 0) + { + memoryTypeBits &= ~(1u << memTypeIndex); + } + } + } + + return memoryTypeBits; +} + +bool VmaAllocator_T::GetFlushOrInvalidateRange( + VmaAllocation allocation, + VkDeviceSize offset, VkDeviceSize size, + VkMappedMemoryRange& outRange) const +{ + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + if(size > 0 && IsMemoryTypeNonCoherent(memTypeIndex)) + { + const VkDeviceSize nonCoherentAtomSize = m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; + const VkDeviceSize allocationSize = allocation->GetSize(); + VMA_ASSERT(offset <= allocationSize); + + outRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + outRange.pNext = VMA_NULL; + outRange.memory = allocation->GetMemory(); + + switch(allocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); + if(size == VK_WHOLE_SIZE) + { + outRange.size = allocationSize - outRange.offset; + } + else + { + VMA_ASSERT(offset + size <= allocationSize); + outRange.size = VMA_MIN( + VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize), + allocationSize - outRange.offset); + } + break; + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + // 1. Still within this allocation. + outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); + if(size == VK_WHOLE_SIZE) + { + size = allocationSize - offset; + } + else + { + VMA_ASSERT(offset + size <= allocationSize); + } + outRange.size = VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize); + + // 2. Adjust to whole block. + const VkDeviceSize allocationOffset = allocation->GetOffset(); + VMA_ASSERT(allocationOffset % nonCoherentAtomSize == 0); + const VkDeviceSize blockSize = allocation->GetBlock()->m_pMetadata->GetSize(); + outRange.offset += allocationOffset; + outRange.size = VMA_MIN(outRange.size, blockSize - outRange.offset); + + break; + } + default: + VMA_ASSERT(0); + } + return true; + } + return false; +} + +#if VMA_MEMORY_BUDGET +void VmaAllocator_T::UpdateVulkanBudget() +{ + VMA_ASSERT(m_UseExtMemoryBudget); + + VkPhysicalDeviceMemoryProperties2KHR memProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR }; + + VkPhysicalDeviceMemoryBudgetPropertiesEXT budgetProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_BUDGET_PROPERTIES_EXT }; + VmaPnextChainPushFront(&memProps, &budgetProps); + + GetVulkanFunctions().vkGetPhysicalDeviceMemoryProperties2KHR(m_PhysicalDevice, &memProps); + + { + VmaMutexLockWrite lockWrite(m_Budget.m_BudgetMutex, m_UseMutex); + + for(uint32_t heapIndex = 0; heapIndex < GetMemoryHeapCount(); ++heapIndex) + { + m_Budget.m_VulkanUsage[heapIndex] = budgetProps.heapUsage[heapIndex]; + m_Budget.m_VulkanBudget[heapIndex] = budgetProps.heapBudget[heapIndex]; + m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] = m_Budget.m_BlockBytes[heapIndex].load(); + + // Some bugged drivers return the budget incorrectly, e.g. 0 or much bigger than heap size. + if(m_Budget.m_VulkanBudget[heapIndex] == 0) + { + m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. + } + else if(m_Budget.m_VulkanBudget[heapIndex] > m_MemProps.memoryHeaps[heapIndex].size) + { + m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size; + } + if(m_Budget.m_VulkanUsage[heapIndex] == 0 && m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] > 0) + { + m_Budget.m_VulkanUsage[heapIndex] = m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; + } + } + m_Budget.m_OperationsSinceBudgetFetch = 0; + } +} +#endif // VMA_MEMORY_BUDGET + +void VmaAllocator_T::FillAllocation(const VmaAllocation hAllocation, uint8_t pattern) +{ + if(VMA_DEBUG_INITIALIZE_ALLOCATIONS && + (m_MemProps.memoryTypes[hAllocation->GetMemoryTypeIndex()].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) + { + void* pData = VMA_NULL; + VkResult res = Map(hAllocation, &pData); + if(res == VK_SUCCESS) + { + memset(pData, (int)pattern, (size_t)hAllocation->GetSize()); + FlushOrInvalidateAllocation(hAllocation, 0, VK_WHOLE_SIZE, VMA_CACHE_FLUSH); + Unmap(hAllocation); + } + else + { + VMA_ASSERT(0 && "VMA_DEBUG_INITIALIZE_ALLOCATIONS is enabled, but couldn't map memory to fill allocation."); + } + } +} + +uint32_t VmaAllocator_T::GetGpuDefragmentationMemoryTypeBits() +{ + uint32_t memoryTypeBits = m_GpuDefragmentationMemoryTypeBits.load(); + if(memoryTypeBits == UINT32_MAX) + { + memoryTypeBits = CalculateGpuDefragmentationMemoryTypeBits(); + m_GpuDefragmentationMemoryTypeBits.store(memoryTypeBits); + } + return memoryTypeBits; +} + +#if VMA_STATS_STRING_ENABLED +void VmaAllocator_T::PrintDetailedMap(VmaJsonWriter& json) +{ + bool dedicatedAllocationsStarted = false; + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + VmaDedicatedAllocationList& dedicatedAllocList = m_DedicatedAllocations[memTypeIndex]; + if(!dedicatedAllocList.IsEmpty()) + { + if(dedicatedAllocationsStarted == false) + { + dedicatedAllocationsStarted = true; + json.WriteString("DedicatedAllocations"); + json.BeginObject(); + } + + json.BeginString("Type "); + json.ContinueString(memTypeIndex); + json.EndString(); + + dedicatedAllocList.BuildStatsString(json); + } + } + if(dedicatedAllocationsStarted) + { + json.EndObject(); + } + + { + bool allocationsStarted = false; + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + VmaBlockVector* pBlockVector = m_pBlockVectors[memTypeIndex]; + if(pBlockVector != VMA_NULL) + { + if (pBlockVector->IsEmpty() == false) + { + if (allocationsStarted == false) + { + allocationsStarted = true; + json.WriteString("DefaultPools"); + json.BeginObject(); + } + + json.BeginString("Type "); + json.ContinueString(memTypeIndex); + json.EndString(); + + json.BeginObject(); + pBlockVector->PrintDetailedMap(json); + json.EndObject(); + } + } + } + if(allocationsStarted) + { + json.EndObject(); + } + } + + // Custom pools + { + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + if(!m_Pools.IsEmpty()) + { + json.WriteString("Pools"); + json.BeginObject(); + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) + { + json.BeginString(); + json.ContinueString(pool->GetId()); + json.EndString(); + + json.BeginObject(); + pool->m_BlockVector.PrintDetailedMap(json); + + if (!pool->m_DedicatedAllocations.IsEmpty()) + { + json.WriteString("DedicatedAllocations"); + pool->m_DedicatedAllocations.BuildStatsString(json); + } + json.EndObject(); + } + json.EndObject(); + } + } +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_ALLOCATOR_T_FUNCTIONS + + +#ifndef _VMA_PUBLIC_INTERFACE +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( + const VmaAllocatorCreateInfo* pCreateInfo, + VmaAllocator* pAllocator) +{ + VMA_ASSERT(pCreateInfo && pAllocator); + VMA_ASSERT(pCreateInfo->vulkanApiVersion == 0 || + (VK_VERSION_MAJOR(pCreateInfo->vulkanApiVersion) == 1 && VK_VERSION_MINOR(pCreateInfo->vulkanApiVersion) <= 3)); + VMA_DEBUG_LOG("vmaCreateAllocator"); + *pAllocator = vma_new(pCreateInfo->pAllocationCallbacks, VmaAllocator_T)(pCreateInfo); + VkResult result = (*pAllocator)->Init(pCreateInfo); + if(result < 0) + { + vma_delete(pCreateInfo->pAllocationCallbacks, *pAllocator); + *pAllocator = VK_NULL_HANDLE; + } + return result; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( + VmaAllocator allocator) +{ + if(allocator != VK_NULL_HANDLE) + { + VMA_DEBUG_LOG("vmaDestroyAllocator"); + VkAllocationCallbacks allocationCallbacks = allocator->m_AllocationCallbacks; // Have to copy the callbacks when destroying. + vma_delete(&allocationCallbacks, allocator); + } +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo(VmaAllocator allocator, VmaAllocatorInfo* pAllocatorInfo) +{ + VMA_ASSERT(allocator && pAllocatorInfo); + pAllocatorInfo->instance = allocator->m_hInstance; + pAllocatorInfo->physicalDevice = allocator->GetPhysicalDevice(); + pAllocatorInfo->device = allocator->m_hDevice; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( + VmaAllocator allocator, + const VkPhysicalDeviceProperties **ppPhysicalDeviceProperties) +{ + VMA_ASSERT(allocator && ppPhysicalDeviceProperties); + *ppPhysicalDeviceProperties = &allocator->m_PhysicalDeviceProperties; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( + VmaAllocator allocator, + const VkPhysicalDeviceMemoryProperties** ppPhysicalDeviceMemoryProperties) +{ + VMA_ASSERT(allocator && ppPhysicalDeviceMemoryProperties); + *ppPhysicalDeviceMemoryProperties = &allocator->m_MemProps; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( + VmaAllocator allocator, + uint32_t memoryTypeIndex, + VkMemoryPropertyFlags* pFlags) +{ + VMA_ASSERT(allocator && pFlags); + VMA_ASSERT(memoryTypeIndex < allocator->GetMemoryTypeCount()); + *pFlags = allocator->m_MemProps.memoryTypes[memoryTypeIndex].propertyFlags; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( + VmaAllocator allocator, + uint32_t frameIndex) +{ + VMA_ASSERT(allocator); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->SetCurrentFrameIndex(frameIndex); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( + VmaAllocator allocator, + VmaStats* pStats) +{ + VMA_ASSERT(allocator && pStats); + VMA_DEBUG_GLOBAL_MUTEX_LOCK + allocator->CalculateStats(pStats); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetHeapBudgets( + VmaAllocator allocator, + VmaBudget* pBudgets) +{ + VMA_ASSERT(allocator && pBudgets); + VMA_DEBUG_GLOBAL_MUTEX_LOCK + allocator->GetHeapBudgets(pBudgets, 0, allocator->GetMemoryHeapCount()); +} + +#if VMA_STATS_STRING_ENABLED + +VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( + VmaAllocator allocator, + char** ppStatsString, + VkBool32 detailedMap) +{ + VMA_ASSERT(allocator && ppStatsString); + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VmaStringBuilder sb(allocator->GetAllocationCallbacks()); + { + VmaJsonWriter json(allocator->GetAllocationCallbacks(), sb); + json.BeginObject(); + + VmaBudget budgets[VK_MAX_MEMORY_HEAPS]; + allocator->GetHeapBudgets(budgets, 0, allocator->GetMemoryHeapCount()); + + VmaStats stats; + allocator->CalculateStats(&stats); + + json.WriteString("Total"); + VmaPrintStatInfo(json, stats.total); + + for(uint32_t heapIndex = 0; heapIndex < allocator->GetMemoryHeapCount(); ++heapIndex) + { + json.BeginString("Heap "); + json.ContinueString(heapIndex); + json.EndString(); + json.BeginObject(); + + json.WriteString("Size"); + json.WriteNumber(allocator->m_MemProps.memoryHeaps[heapIndex].size); + + json.WriteString("Flags"); + json.BeginArray(true); + if((allocator->m_MemProps.memoryHeaps[heapIndex].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) != 0) + { + json.WriteString("DEVICE_LOCAL"); + } + json.EndArray(); + + json.WriteString("Budget"); + json.BeginObject(); + { + json.WriteString("BlockBytes"); + json.WriteNumber(budgets[heapIndex].blockBytes); + json.WriteString("AllocationBytes"); + json.WriteNumber(budgets[heapIndex].allocationBytes); + json.WriteString("Usage"); + json.WriteNumber(budgets[heapIndex].usage); + json.WriteString("Budget"); + json.WriteNumber(budgets[heapIndex].budget); + } + json.EndObject(); + + if(stats.memoryHeap[heapIndex].blockCount > 0) + { + json.WriteString("Stats"); + VmaPrintStatInfo(json, stats.memoryHeap[heapIndex]); + } + + for(uint32_t typeIndex = 0; typeIndex < allocator->GetMemoryTypeCount(); ++typeIndex) + { + if(allocator->MemoryTypeIndexToHeapIndex(typeIndex) == heapIndex) + { + json.BeginString("Type "); + json.ContinueString(typeIndex); + json.EndString(); + + json.BeginObject(); + + json.WriteString("Flags"); + json.BeginArray(true); + VkMemoryPropertyFlags flags = allocator->m_MemProps.memoryTypes[typeIndex].propertyFlags; + if((flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0) + { + json.WriteString("DEVICE_LOCAL"); + } + if((flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) + { + json.WriteString("HOST_VISIBLE"); + } + if((flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0) + { + json.WriteString("HOST_COHERENT"); + } + if((flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) != 0) + { + json.WriteString("HOST_CACHED"); + } + if((flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) != 0) + { + json.WriteString("LAZILY_ALLOCATED"); + } +#if VMA_VULKAN_VERSION >= 1001000 + if((flags & VK_MEMORY_PROPERTY_PROTECTED_BIT) != 0) + { + json.WriteString("PROTECTED"); + } +#endif // #if VMA_VULKAN_VERSION >= 1001000 +#if VK_AMD_device_coherent_memory + if((flags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) != 0) + { + json.WriteString("DEVICE_COHERENT"); + } + if((flags & VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY) != 0) + { + json.WriteString("DEVICE_UNCACHED"); + } +#endif // #if VK_AMD_device_coherent_memory + json.EndArray(); + + if(stats.memoryType[typeIndex].blockCount > 0) + { + json.WriteString("Stats"); + VmaPrintStatInfo(json, stats.memoryType[typeIndex]); + } + + json.EndObject(); + } + } + + json.EndObject(); + } + if(detailedMap == VK_TRUE) + { + allocator->PrintDetailedMap(json); + } + + json.EndObject(); + } + + *ppStatsString = VmaCreateStringCopy(allocator->GetAllocationCallbacks(), sb.GetData(), sb.GetLength()); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( + VmaAllocator allocator, + char* pStatsString) +{ + if(pStatsString != VMA_NULL) + { + VMA_ASSERT(allocator); + VmaFreeString(allocator->GetAllocationCallbacks(), pStatsString); + } +} + +#endif // VMA_STATS_STRING_ENABLED + +/* +This function is not protected by any mutex because it just reads immutable data. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( + VmaAllocator allocator, + uint32_t memoryTypeBits, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + uint32_t* pMemoryTypeIndex) +{ + VMA_ASSERT(allocator != VK_NULL_HANDLE); + VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); + VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); + + memoryTypeBits &= allocator->GetGlobalMemoryTypeBits(); + + if(pAllocationCreateInfo->memoryTypeBits != 0) + { + memoryTypeBits &= pAllocationCreateInfo->memoryTypeBits; + } + + uint32_t requiredFlags = pAllocationCreateInfo->requiredFlags; + uint32_t preferredFlags = pAllocationCreateInfo->preferredFlags; + uint32_t notPreferredFlags = 0; + + // Convert usage to requiredFlags and preferredFlags. + switch(pAllocationCreateInfo->usage) + { + case VMA_MEMORY_USAGE_UNKNOWN: + break; + case VMA_MEMORY_USAGE_GPU_ONLY: + if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + { + preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + break; + case VMA_MEMORY_USAGE_CPU_ONLY: + requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; + break; + case VMA_MEMORY_USAGE_CPU_TO_GPU: + requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + { + preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + break; + case VMA_MEMORY_USAGE_GPU_TO_CPU: + requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + preferredFlags |= VK_MEMORY_PROPERTY_HOST_CACHED_BIT; + break; + case VMA_MEMORY_USAGE_CPU_COPY: + notPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + break; + case VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED: + requiredFlags |= VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT; + break; + default: + VMA_ASSERT(0); + break; + } + + // Avoid DEVICE_COHERENT unless explicitly requested. + if(((pAllocationCreateInfo->requiredFlags | pAllocationCreateInfo->preferredFlags) & + (VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY | VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY)) == 0) + { + notPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY; + } + + *pMemoryTypeIndex = UINT32_MAX; + uint32_t minCost = UINT32_MAX; + for(uint32_t memTypeIndex = 0, memTypeBit = 1; + memTypeIndex < allocator->GetMemoryTypeCount(); + ++memTypeIndex, memTypeBit <<= 1) + { + // This memory type is acceptable according to memoryTypeBits bitmask. + if((memTypeBit & memoryTypeBits) != 0) + { + const VkMemoryPropertyFlags currFlags = + allocator->m_MemProps.memoryTypes[memTypeIndex].propertyFlags; + // This memory type contains requiredFlags. + if((requiredFlags & ~currFlags) == 0) + { + // Calculate cost as number of bits from preferredFlags not present in this memory type. + uint32_t currCost = VmaCountBitsSet(preferredFlags & ~currFlags) + + VmaCountBitsSet(currFlags & notPreferredFlags); + // Remember memory type with lowest cost. + if(currCost < minCost) + { + *pMemoryTypeIndex = memTypeIndex; + if(currCost == 0) + { + return VK_SUCCESS; + } + minCost = currCost; + } + } + } + } + return (*pMemoryTypeIndex != UINT32_MAX) ? VK_SUCCESS : VK_ERROR_FEATURE_NOT_PRESENT; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( + VmaAllocator allocator, + const VkBufferCreateInfo* pBufferCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + uint32_t* pMemoryTypeIndex) +{ + VMA_ASSERT(allocator != VK_NULL_HANDLE); + VMA_ASSERT(pBufferCreateInfo != VMA_NULL); + VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); + VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); + + const VkDevice hDev = allocator->m_hDevice; + VkBuffer hBuffer = VK_NULL_HANDLE; + const VmaVulkanFunctions* funcs = &allocator->GetVulkanFunctions(); + VkResult res = funcs->vkCreateBuffer( + hDev, pBufferCreateInfo, allocator->GetAllocationCallbacks(), &hBuffer); + if(res == VK_SUCCESS) + { + VkMemoryRequirements memReq = {}; + funcs->vkGetBufferMemoryRequirements( + hDev, hBuffer, &memReq); + + res = vmaFindMemoryTypeIndex( + allocator, + memReq.memoryTypeBits, + pAllocationCreateInfo, + pMemoryTypeIndex); + + funcs->vkDestroyBuffer( + hDev, hBuffer, allocator->GetAllocationCallbacks()); + } + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( + VmaAllocator allocator, + const VkImageCreateInfo* pImageCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + uint32_t* pMemoryTypeIndex) +{ + VMA_ASSERT(allocator != VK_NULL_HANDLE); + VMA_ASSERT(pImageCreateInfo != VMA_NULL); + VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); + VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); + + const VkDevice hDev = allocator->m_hDevice; + VkImage hImage = VK_NULL_HANDLE; + const VmaVulkanFunctions* funcs = &allocator->GetVulkanFunctions(); + VkResult res = funcs->vkCreateImage( + hDev, pImageCreateInfo, allocator->GetAllocationCallbacks(), &hImage); + if(res == VK_SUCCESS) + { + VkMemoryRequirements memReq = {}; + funcs->vkGetImageMemoryRequirements( + hDev, hImage, &memReq); + + res = vmaFindMemoryTypeIndex( + allocator, + memReq.memoryTypeBits, + pAllocationCreateInfo, + pMemoryTypeIndex); + + funcs->vkDestroyImage( + hDev, hImage, allocator->GetAllocationCallbacks()); + } + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( + VmaAllocator allocator, + const VmaPoolCreateInfo* pCreateInfo, + VmaPool* pPool) +{ + VMA_ASSERT(allocator && pCreateInfo && pPool); + + VMA_DEBUG_LOG("vmaCreatePool"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->CreatePool(pCreateInfo, pPool); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( + VmaAllocator allocator, + VmaPool pool) +{ + VMA_ASSERT(allocator); + + if(pool == VK_NULL_HANDLE) + { + return; + } + + VMA_DEBUG_LOG("vmaDestroyPool"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->DestroyPool(pool); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( + VmaAllocator allocator, + VmaPool pool, + VmaPoolStats* pPoolStats) +{ + VMA_ASSERT(allocator && pool && pPoolStats); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->GetPoolStats(pool, pPoolStats); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption(VmaAllocator allocator, VmaPool pool) +{ + VMA_ASSERT(allocator && pool); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VMA_DEBUG_LOG("vmaCheckPoolCorruption"); + + return allocator->CheckPoolCorruption(pool); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( + VmaAllocator allocator, + VmaPool pool, + const char** ppName) +{ + VMA_ASSERT(allocator && pool && ppName); + + VMA_DEBUG_LOG("vmaGetPoolName"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *ppName = pool->GetName(); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( + VmaAllocator allocator, + VmaPool pool, + const char* pName) +{ + VMA_ASSERT(allocator && pool); + + VMA_DEBUG_LOG("vmaSetPoolName"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + pool->SetName(pName); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( + VmaAllocator allocator, + const VkMemoryRequirements* pVkMemoryRequirements, + const VmaAllocationCreateInfo* pCreateInfo, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && pVkMemoryRequirements && pCreateInfo && pAllocation); + + VMA_DEBUG_LOG("vmaAllocateMemory"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VkResult result = allocator->AllocateMemory( + *pVkMemoryRequirements, + false, // requiresDedicatedAllocation + false, // prefersDedicatedAllocation + VK_NULL_HANDLE, // dedicatedBuffer + UINT32_MAX, // dedicatedBufferUsage + VK_NULL_HANDLE, // dedicatedImage + *pCreateInfo, + VMA_SUBALLOCATION_TYPE_UNKNOWN, + 1, // allocationCount + pAllocation); + + if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return result; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( + VmaAllocator allocator, + const VkMemoryRequirements* pVkMemoryRequirements, + const VmaAllocationCreateInfo* pCreateInfo, + size_t allocationCount, + VmaAllocation* pAllocations, + VmaAllocationInfo* pAllocationInfo) +{ + if(allocationCount == 0) + { + return VK_SUCCESS; + } + + VMA_ASSERT(allocator && pVkMemoryRequirements && pCreateInfo && pAllocations); + + VMA_DEBUG_LOG("vmaAllocateMemoryPages"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VkResult result = allocator->AllocateMemory( + *pVkMemoryRequirements, + false, // requiresDedicatedAllocation + false, // prefersDedicatedAllocation + VK_NULL_HANDLE, // dedicatedBuffer + UINT32_MAX, // dedicatedBufferUsage + VK_NULL_HANDLE, // dedicatedImage + *pCreateInfo, + VMA_SUBALLOCATION_TYPE_UNKNOWN, + allocationCount, + pAllocations); + + if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) + { + for(size_t i = 0; i < allocationCount; ++i) + { + allocator->GetAllocationInfo(pAllocations[i], pAllocationInfo + i); + } + } + + return result; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( + VmaAllocator allocator, + VkBuffer buffer, + const VmaAllocationCreateInfo* pCreateInfo, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && buffer != VK_NULL_HANDLE && pCreateInfo && pAllocation); + + VMA_DEBUG_LOG("vmaAllocateMemoryForBuffer"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetBufferMemoryRequirements(buffer, vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation); + + VkResult result = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + buffer, // dedicatedBuffer + UINT32_MAX, // dedicatedBufferUsage + VK_NULL_HANDLE, // dedicatedImage + *pCreateInfo, + VMA_SUBALLOCATION_TYPE_BUFFER, + 1, // allocationCount + pAllocation); + + if(pAllocationInfo && result == VK_SUCCESS) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return result; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( + VmaAllocator allocator, + VkImage image, + const VmaAllocationCreateInfo* pCreateInfo, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && image != VK_NULL_HANDLE && pCreateInfo && pAllocation); + + VMA_DEBUG_LOG("vmaAllocateMemoryForImage"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetImageMemoryRequirements(image, vkMemReq, + requiresDedicatedAllocation, prefersDedicatedAllocation); + + VkResult result = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + VK_NULL_HANDLE, // dedicatedBuffer + UINT32_MAX, // dedicatedBufferUsage + image, // dedicatedImage + *pCreateInfo, + VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN, + 1, // allocationCount + pAllocation); + + if(pAllocationInfo && result == VK_SUCCESS) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return result; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( + VmaAllocator allocator, + VmaAllocation allocation) +{ + VMA_ASSERT(allocator); + + if(allocation == VK_NULL_HANDLE) + { + return; + } + + VMA_DEBUG_LOG("vmaFreeMemory"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->FreeMemory( + 1, // allocationCount + &allocation); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( + VmaAllocator allocator, + size_t allocationCount, + const VmaAllocation* pAllocations) +{ + if(allocationCount == 0) + { + return; + } + + VMA_ASSERT(allocator); + + VMA_DEBUG_LOG("vmaFreeMemoryPages"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->FreeMemory(allocationCount, pAllocations); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( + VmaAllocator allocator, + VmaAllocation allocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && allocation && pAllocationInfo); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->GetAllocationInfo(allocation, pAllocationInfo); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( + VmaAllocator allocator, + VmaAllocation allocation, + void* pUserData) +{ + VMA_ASSERT(allocator && allocation); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocation->SetUserData(allocator, pUserData); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags) +{ + VMA_ASSERT(allocator && allocation && pFlags); + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + *pFlags = allocator->m_MemProps.memoryTypes[memTypeIndex].propertyFlags; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( + VmaAllocator allocator, + VmaAllocation allocation, + void** ppData) +{ + VMA_ASSERT(allocator && allocation && ppData); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->Map(allocation, ppData); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( + VmaAllocator allocator, + VmaAllocation allocation) +{ + VMA_ASSERT(allocator && allocation); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + allocator->Unmap(allocation); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize offset, + VkDeviceSize size) +{ + VMA_ASSERT(allocator && allocation); + + VMA_DEBUG_LOG("vmaFlushAllocation"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_FLUSH); + + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize offset, + VkDeviceSize size) +{ + VMA_ASSERT(allocator && allocation); + + VMA_DEBUG_LOG("vmaInvalidateAllocation"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_INVALIDATE); + + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( + VmaAllocator allocator, + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, + const VkDeviceSize* sizes) +{ + VMA_ASSERT(allocator); + + if(allocationCount == 0) + { + return VK_SUCCESS; + } + + VMA_ASSERT(allocations); + + VMA_DEBUG_LOG("vmaFlushAllocations"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_FLUSH); + + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( + VmaAllocator allocator, + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, + const VkDeviceSize* sizes) +{ + VMA_ASSERT(allocator); + + if(allocationCount == 0) + { + return VK_SUCCESS; + } + + VMA_ASSERT(allocations); + + VMA_DEBUG_LOG("vmaInvalidateAllocations"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_INVALIDATE); + + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption( + VmaAllocator allocator, + uint32_t memoryTypeBits) +{ + VMA_ASSERT(allocator); + + VMA_DEBUG_LOG("vmaCheckCorruption"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->CheckCorruption(memoryTypeBits); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( + VmaAllocator allocator, + const VmaAllocation* pAllocations, + size_t allocationCount, + VkBool32* pAllocationsChanged, + const VmaDefragmentationInfo *pDefragmentationInfo, + VmaDefragmentationStats* pDefragmentationStats) +{ + // Deprecated interface, reimplemented using new one. + + VmaDefragmentationInfo2 info2 = {}; + info2.allocationCount = (uint32_t)allocationCount; + info2.pAllocations = pAllocations; + info2.pAllocationsChanged = pAllocationsChanged; + if(pDefragmentationInfo != VMA_NULL) + { + info2.maxCpuAllocationsToMove = pDefragmentationInfo->maxAllocationsToMove; + info2.maxCpuBytesToMove = pDefragmentationInfo->maxBytesToMove; + } + else + { + info2.maxCpuAllocationsToMove = UINT32_MAX; + info2.maxCpuBytesToMove = VK_WHOLE_SIZE; + } + // info2.flags, maxGpuAllocationsToMove, maxGpuBytesToMove, commandBuffer deliberately left zero. + + VmaDefragmentationContext ctx; + VkResult res = vmaDefragmentationBegin(allocator, &info2, pDefragmentationStats, &ctx); + if(res == VK_NOT_READY) + { + res = vmaDefragmentationEnd( allocator, ctx); + } + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( + VmaAllocator allocator, + const VmaDefragmentationInfo2* pInfo, + VmaDefragmentationStats* pStats, + VmaDefragmentationContext *pContext) +{ + VMA_ASSERT(allocator && pInfo && pContext); + + // Degenerate case: Nothing to defragment. + if(pInfo->allocationCount == 0 && pInfo->poolCount == 0) + { + return VK_SUCCESS; + } + + VMA_ASSERT(pInfo->allocationCount == 0 || pInfo->pAllocations != VMA_NULL); + VMA_ASSERT(pInfo->poolCount == 0 || pInfo->pPools != VMA_NULL); + VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->allocationCount, pInfo->pAllocations)); + VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->poolCount, pInfo->pPools)); + + VMA_DEBUG_LOG("vmaDefragmentationBegin"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + VkResult res = allocator->DefragmentationBegin(*pInfo, pStats, pContext); + + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( + VmaAllocator allocator, + VmaDefragmentationContext context) +{ + VMA_ASSERT(allocator); + + VMA_DEBUG_LOG("vmaDefragmentationEnd"); + + if(context != VK_NULL_HANDLE) + { + VMA_DEBUG_GLOBAL_MUTEX_LOCK + return allocator->DefragmentationEnd(context); + } + else + { + return VK_SUCCESS; + } +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( + VmaAllocator allocator, + VmaDefragmentationContext context, + VmaDefragmentationPassInfo* pInfo + ) +{ + VMA_ASSERT(allocator); + VMA_ASSERT(pInfo); + + VMA_DEBUG_LOG("vmaBeginDefragmentationPass"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + if(context == VK_NULL_HANDLE) + { + pInfo->moveCount = 0; + return VK_SUCCESS; + } + + return allocator->DefragmentationPassBegin(pInfo, context); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( + VmaAllocator allocator, + VmaDefragmentationContext context) +{ + VMA_ASSERT(allocator); + + VMA_DEBUG_LOG("vmaEndDefragmentationPass"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + if(context == VK_NULL_HANDLE) + return VK_SUCCESS; + + return allocator->DefragmentationPassEnd(context); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( + VmaAllocator allocator, + VmaAllocation allocation, + VkBuffer buffer) +{ + VMA_ASSERT(allocator && allocation && buffer); + + VMA_DEBUG_LOG("vmaBindBufferMemory"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->BindBufferMemory(allocation, 0, buffer, VMA_NULL); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory2( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize allocationLocalOffset, + VkBuffer buffer, + const void* pNext) +{ + VMA_ASSERT(allocator && allocation && buffer); + + VMA_DEBUG_LOG("vmaBindBufferMemory2"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->BindBufferMemory(allocation, allocationLocalOffset, buffer, pNext); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory( + VmaAllocator allocator, + VmaAllocation allocation, + VkImage image) +{ + VMA_ASSERT(allocator && allocation && image); + + VMA_DEBUG_LOG("vmaBindImageMemory"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->BindImageMemory(allocation, 0, image, VMA_NULL); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory2( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize allocationLocalOffset, + VkImage image, + const void* pNext) +{ + VMA_ASSERT(allocator && allocation && image); + + VMA_DEBUG_LOG("vmaBindImageMemory2"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return allocator->BindImageMemory(allocation, allocationLocalOffset, image, pNext); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( + VmaAllocator allocator, + const VkBufferCreateInfo* pBufferCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkBuffer* pBuffer, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && pBufferCreateInfo && pAllocationCreateInfo && pBuffer && pAllocation); + + if(pBufferCreateInfo->size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && + !allocator->m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_LOG("vmaCreateBuffer"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *pBuffer = VK_NULL_HANDLE; + *pAllocation = VK_NULL_HANDLE; + + // 1. Create VkBuffer. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)( + allocator->m_hDevice, + pBufferCreateInfo, + allocator->GetAllocationCallbacks(), + pBuffer); + if(res >= 0) + { + // 2. vkGetBufferMemoryRequirements. + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq, + requiresDedicatedAllocation, prefersDedicatedAllocation); + + // 3. Allocate memory using allocator. + res = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + *pBuffer, // dedicatedBuffer + pBufferCreateInfo->usage, // dedicatedBufferUsage + VK_NULL_HANDLE, // dedicatedImage + *pAllocationCreateInfo, + VMA_SUBALLOCATION_TYPE_BUFFER, + 1, // allocationCount + pAllocation); + + if(res >= 0) + { + // 3. Bind buffer with memory. + if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) + { + res = allocator->BindBufferMemory(*pAllocation, 0, *pBuffer, VMA_NULL); + } + if(res >= 0) + { + // All steps succeeded. + #if VMA_STATS_STRING_ENABLED + (*pAllocation)->InitBufferImageUsage(pBufferCreateInfo->usage); + #endif + if(pAllocationInfo != VMA_NULL) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return VK_SUCCESS; + } + allocator->FreeMemory( + 1, // allocationCount + pAllocation); + *pAllocation = VK_NULL_HANDLE; + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; + } + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; + } + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment( + VmaAllocator allocator, + const VkBufferCreateInfo* pBufferCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkDeviceSize minAlignment, + VkBuffer* pBuffer, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && pBufferCreateInfo && pAllocationCreateInfo && VmaIsPow2(minAlignment) && pBuffer && pAllocation); + + if(pBufferCreateInfo->size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && + !allocator->m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_LOG("vmaCreateBufferWithAlignment"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *pBuffer = VK_NULL_HANDLE; + *pAllocation = VK_NULL_HANDLE; + + // 1. Create VkBuffer. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)( + allocator->m_hDevice, + pBufferCreateInfo, + allocator->GetAllocationCallbacks(), + pBuffer); + if(res >= 0) + { + // 2. vkGetBufferMemoryRequirements. + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq, + requiresDedicatedAllocation, prefersDedicatedAllocation); + + // 2a. Include minAlignment + vkMemReq.alignment = VMA_MAX(vkMemReq.alignment, minAlignment); + + // 3. Allocate memory using allocator. + res = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + *pBuffer, // dedicatedBuffer + pBufferCreateInfo->usage, // dedicatedBufferUsage + VK_NULL_HANDLE, // dedicatedImage + *pAllocationCreateInfo, + VMA_SUBALLOCATION_TYPE_BUFFER, + 1, // allocationCount + pAllocation); + + if(res >= 0) + { + // 3. Bind buffer with memory. + if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) + { + res = allocator->BindBufferMemory(*pAllocation, 0, *pBuffer, VMA_NULL); + } + if(res >= 0) + { + // All steps succeeded. + #if VMA_STATS_STRING_ENABLED + (*pAllocation)->InitBufferImageUsage(pBufferCreateInfo->usage); + #endif + if(pAllocationInfo != VMA_NULL) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return VK_SUCCESS; + } + allocator->FreeMemory( + 1, // allocationCount + pAllocation); + *pAllocation = VK_NULL_HANDLE; + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; + } + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; + } + return res; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( + VmaAllocator allocator, + VkBuffer buffer, + VmaAllocation allocation) +{ + VMA_ASSERT(allocator); + + if(buffer == VK_NULL_HANDLE && allocation == VK_NULL_HANDLE) + { + return; + } + + VMA_DEBUG_LOG("vmaDestroyBuffer"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + if(buffer != VK_NULL_HANDLE) + { + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, buffer, allocator->GetAllocationCallbacks()); + } + + if(allocation != VK_NULL_HANDLE) + { + allocator->FreeMemory( + 1, // allocationCount + &allocation); + } +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( + VmaAllocator allocator, + const VkImageCreateInfo* pImageCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkImage* pImage, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && pImageCreateInfo && pAllocationCreateInfo && pImage && pAllocation); + + if(pImageCreateInfo->extent.width == 0 || + pImageCreateInfo->extent.height == 0 || + pImageCreateInfo->extent.depth == 0 || + pImageCreateInfo->mipLevels == 0 || + pImageCreateInfo->arrayLayers == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_LOG("vmaCreateImage"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *pImage = VK_NULL_HANDLE; + *pAllocation = VK_NULL_HANDLE; + + // 1. Create VkImage. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateImage)( + allocator->m_hDevice, + pImageCreateInfo, + allocator->GetAllocationCallbacks(), + pImage); + if(res >= 0) + { + VmaSuballocationType suballocType = pImageCreateInfo->tiling == VK_IMAGE_TILING_OPTIMAL ? + VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL : + VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR; + + // 2. Allocate memory using allocator. + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetImageMemoryRequirements(*pImage, vkMemReq, + requiresDedicatedAllocation, prefersDedicatedAllocation); + + res = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + VK_NULL_HANDLE, // dedicatedBuffer + UINT32_MAX, // dedicatedBufferUsage + *pImage, // dedicatedImage + *pAllocationCreateInfo, + suballocType, + 1, // allocationCount + pAllocation); + + if(res >= 0) + { + // 3. Bind image with memory. + if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) + { + res = allocator->BindImageMemory(*pAllocation, 0, *pImage, VMA_NULL); + } + if(res >= 0) + { + // All steps succeeded. + #if VMA_STATS_STRING_ENABLED + (*pAllocation)->InitBufferImageUsage(pImageCreateInfo->usage); + #endif + if(pAllocationInfo != VMA_NULL) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return VK_SUCCESS; + } + allocator->FreeMemory( + 1, // allocationCount + pAllocation); + *pAllocation = VK_NULL_HANDLE; + (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, *pImage, allocator->GetAllocationCallbacks()); + *pImage = VK_NULL_HANDLE; + return res; + } + (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, *pImage, allocator->GetAllocationCallbacks()); + *pImage = VK_NULL_HANDLE; + return res; + } + return res; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( + VmaAllocator allocator, + VkImage image, + VmaAllocation allocation) +{ + VMA_ASSERT(allocator); + + if(image == VK_NULL_HANDLE && allocation == VK_NULL_HANDLE) + { + return; + } + + VMA_DEBUG_LOG("vmaDestroyImage"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + if(image != VK_NULL_HANDLE) + { + (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, image, allocator->GetAllocationCallbacks()); + } + if(allocation != VK_NULL_HANDLE) + { + allocator->FreeMemory( + 1, // allocationCount + &allocation); + } +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateVirtualBlock( + const VmaVirtualBlockCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualBlock VMA_NULLABLE * VMA_NOT_NULL pVirtualBlock) +{ + VMA_ASSERT(pCreateInfo && pVirtualBlock); + VMA_ASSERT(pCreateInfo->size > 0); + VMA_DEBUG_LOG("vmaCreateVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + *pVirtualBlock = vma_new(pCreateInfo->pAllocationCallbacks, VmaVirtualBlock_T)(*pCreateInfo); + VkResult res = (*pVirtualBlock)->Init(); + if(res < 0) + { + vma_delete(pCreateInfo->pAllocationCallbacks, *pVirtualBlock); + *pVirtualBlock = VK_NULL_HANDLE; + } + return res; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyVirtualBlock(VmaVirtualBlock VMA_NULLABLE virtualBlock) +{ + if(virtualBlock != VK_NULL_HANDLE) + { + VMA_DEBUG_LOG("vmaDestroyVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + VkAllocationCallbacks allocationCallbacks = virtualBlock->m_AllocationCallbacks; // Have to copy the callbacks when destroying. + vma_delete(&allocationCallbacks, virtualBlock); + } +} + +VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty(VmaVirtualBlock VMA_NOT_NULL virtualBlock) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaIsVirtualBlockEmpty"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + return virtualBlock->IsEmpty() ? VK_TRUE : VK_FALSE; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pVirtualAllocInfo != VMA_NULL); + VMA_DEBUG_LOG("vmaGetVirtualAllocationInfo"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->GetAllocationInfo(allocation, *pVirtualAllocInfo); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pCreateInfo != VMA_NULL && pAllocation != VMA_NULL); + VMA_DEBUG_LOG("vmaVirtualAllocate"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + return virtualBlock->Allocate(*pCreateInfo, *pAllocation, pOffset); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(VmaVirtualBlock VMA_NOT_NULL virtualBlock, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation) +{ + if(allocation != VK_NULL_HANDLE) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaVirtualFree"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->Free(allocation); + } +} + +VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock(VmaVirtualBlock VMA_NOT_NULL virtualBlock) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaClearVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->Clear(); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, void* VMA_NULLABLE pUserData) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaSetVirtualAllocationUserData"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->SetAllocationUserData(allocation, pUserData); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateVirtualBlockStats(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaStatInfo* VMA_NOT_NULL pStatInfo) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pStatInfo != VMA_NULL); + VMA_DEBUG_LOG("vmaCalculateVirtualBlockStats"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->CalculateStats(*pStatInfo); +} + +#if VMA_STATS_STRING_ENABLED + +VMA_CALL_PRE void VMA_CALL_POST vmaBuildVirtualBlockStatsString(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE * VMA_NOT_NULL ppStatsString, VkBool32 detailedMap) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && ppStatsString != VMA_NULL); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + const VkAllocationCallbacks* allocationCallbacks = virtualBlock->GetAllocationCallbacks(); + VmaStringBuilder sb(allocationCallbacks); + virtualBlock->BuildStatsString(detailedMap != VK_FALSE, sb); + *ppStatsString = VmaCreateStringCopy(allocationCallbacks, sb.GetData(), sb.GetLength()); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeVirtualBlockStatsString(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE pStatsString) +{ + if(pStatsString != VMA_NULL) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + VmaFreeString(virtualBlock->GetAllocationCallbacks(), pStatsString); + } +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_PUBLIC_INTERFACE +#endif // VMA_IMPLEMENTATION + +/** \page quick_start Quick start \section quick_start_project_setup Project setup @@ -132,24 +17949,15 @@ To do it properly: It may be a good idea to create dedicated CPP file just for this purpose. -Note on language: This library is written in C++, but has C-compatible interface. -Thus you can include and use vk_mem_alloc.h in C or C++ code, but full -implementation with `VMA_IMPLEMENTATION` macro must be compiled as C++, NOT as C. - -Please note that this library includes header ``, which in turn +This library includes header ``, which in turn includes `` on Windows. If you need some specific macros defined before including these headers (like `WIN32_LEAN_AND_MEAN` or `WINVER` for Windows, `VK_USE_PLATFORM_WIN32_KHR` for Vulkan), you must define them before every `#include` of this library. -You may need to configure the way you import Vulkan functions. - -- By default, VMA assumes you you link statically with Vulkan API. If this is not the case, - `#define VMA_STATIC_VULKAN_FUNCTIONS 0` before `#include` of the VMA implementation and use another way. -- You can `#define VMA_DYNAMIC_VULKAN_FUNCTIONS 1` and make sure `vkGetInstanceProcAddr` and `vkGetDeviceProcAddr` globals are defined. - All the remaining Vulkan functions will be fetched automatically. -- Finally, you can provide your own pointers to all Vulkan functions needed by VMA using structure member - VmaAllocatorCreateInfo::pVulkanFunctions, if you fetched them in some custom way e.g. using some loader like [Volk](https://github.com/zeux/volk). +\note This library is written in C++, but has C-compatible interface. +Thus you can include and use vk_mem_alloc.h in C or C++ code, but full +implementation with `VMA_IMPLEMENTATION` macro must be compiled as C++, NOT as C. \section quick_start_initialization Initialization @@ -160,23 +17968,44 @@ At program startup: -# Fill VmaAllocatorCreateInfo structure and create #VmaAllocator object by calling vmaCreateAllocator(). -\code -VmaAllocatorCreateInfo allocatorInfo = {}; -allocatorInfo.vulkanApiVersion = VK_API_VERSION_1_2; -allocatorInfo.physicalDevice = physicalDevice; -allocatorInfo.device = device; -allocatorInfo.instance = instance; - -VmaAllocator allocator; -vmaCreateAllocator(&allocatorInfo, &allocator); -\endcode - Only members `physicalDevice`, `device`, `instance` are required. However, you should inform the library which Vulkan version do you use by setting VmaAllocatorCreateInfo::vulkanApiVersion and which extensions did you enable by setting VmaAllocatorCreateInfo::flags (like #VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT for VK_KHR_buffer_device_address). Otherwise, VMA would use only features of Vulkan 1.0 core with no extensions. +You may need to configure importing Vulkan functions. There are 3 ways to do this: + +-# **If you link with Vulkan static library** (e.g. "vulkan-1.lib" on Windows): + - You don't need to do anything. + - VMA will use these, as macro `VMA_STATIC_VULKAN_FUNCTIONS` is defined to 1 by default. +-# **If you want VMA to fetch pointers to Vulkan functions dynamically** using `vkGetInstanceProcAddr`, + `vkGetDeviceProcAddr` (this is the option presented in the example below): + - Define `VMA_STATIC_VULKAN_FUNCTIONS` to 0, `VMA_DYNAMIC_VULKAN_FUNCTIONS` to 1. + - Provide pointers to these two functions via VmaVulkanFunctions::vkGetInstanceProcAddr, + VmaVulkanFunctions::vkGetDeviceProcAddr. + - The library will fetch pointers to all other functions it needs internally. +-# **If you fetch pointers to all Vulkan functions in a custom way**, e.g. using some loader like + [Volk](https://github.com/zeux/volk): + - Define `VMA_STATIC_VULKAN_FUNCTIONS` and `VMA_DYNAMIC_VULKAN_FUNCTIONS` to 0. + - Pass these pointers via structure #VmaVulkanFunctions. + +\code +VmaVulkanFunctions vulkanFunctions = {}; +vulkanFunctions.vkGetInstanceProcAddr = &vkGetInstanceProcAddr; +vulkanFunctions.vkGetDeviceProcAddr = &vkGetDeviceProcAddr; + +VmaAllocatorCreateInfo allocatorCreateInfo = {}; +allocatorCreateInfo.vulkanApiVersion = VK_API_VERSION_1_2; +allocatorCreateInfo.physicalDevice = physicalDevice; +allocatorCreateInfo.device = device; +allocatorCreateInfo.instance = instance; +allocatorCreateInfo.pVulkanFunctions = &vulkanFunctions; + +VmaAllocator allocator; +vmaCreateAllocator(&allocatorCreateInfo, &allocator); +\endcode + \section quick_start_resource_allocation Resource allocation @@ -185,7 +18014,7 @@ When you want to create a buffer or image: -# Fill `VkBufferCreateInfo` / `VkImageCreateInfo` structure. -# Fill VmaAllocationCreateInfo structure. -# Call vmaCreateBuffer() / vmaCreateImage() to get `VkBuffer`/`VkImage` with memory - already allocated and bound to it. + already allocated and bound to it, plus #VmaAllocation objects that represents its underlying memory. \code VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; @@ -331,7 +18160,7 @@ that pool. For further details, see \ref custom_memory_pools. \section choosing_memory_type_dedicated_allocations Dedicated allocations Memory for allocations is reserved out of larger block of `VkDeviceMemory` -allocated from Vulkan internally. That's the main feature of this whole library. +allocated from Vulkan internally. That is the main feature of this whole library. You can still request a separate memory block to be created for an allocation, just like you would do in a trivial solution without using any allocator. In that case, a buffer or image is always bound to that memory at offset 0. @@ -365,7 +18194,7 @@ The library provides following functions for mapping of a specific #VmaAllocatio They are safer and more convenient to use than standard Vulkan functions. You can map an allocation multiple times simultaneously - mapping is reference-counted internally. You can also map different allocations simultaneously regardless of whether they use the same `VkDeviceMemory` block. -The way it's implemented is that the library always maps entire memory block, not just region of the allocation. +The way it is implemented is that the library always maps entire memory block, not just region of the allocation. For further details, see description of vmaMapMemory() function. Example: @@ -476,8 +18305,8 @@ allocation from video memory might have failed, so the library chose system memo You can detect this case and map such allocation to access its memory on CPU directly, instead of launching a transfer operation. -In order to do that: inspect `allocInfo.memoryType`, call vmaGetMemoryTypeProperties(), -and look for `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` flag in properties of that memory type. +In order to do that: call vmaGetAllocationMemoryProperties() +and look for `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` flag. \code VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; @@ -490,11 +18319,10 @@ allocCreateInfo.preferredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; VkBuffer buf; VmaAllocation alloc; -VmaAllocationInfo allocInfo; -vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, nullptr); VkMemoryPropertyFlags memFlags; -vmaGetMemoryTypeProperties(allocator, allocInfo.memoryType, &memFlags); +vmaGetAllocationMemoryProperties(allocator, alloc, &memFlags); if((memFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) { // Allocation ended up in mappable memory. You can map it and access it directly. @@ -533,7 +18361,7 @@ vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allo if(allocInfo.pMappedData != nullptr) { // Allocation ended up in mappable memory. - // It's persistently mapped. You can access it directly. + // It is persistently mapped. You can access it directly. memcpy(allocInfo.pMappedData, &constantBufferData, sizeof(constantBufferData)); } else @@ -547,7 +18375,7 @@ else \page staying_within_budget Staying within budget When developing a graphics-intensive game or program, it is important to avoid allocating -more GPU memory than it's physically available. When the memory is over-committed, +more GPU memory than it is physically available. When the memory is over-committed, various bad things can happen, depending on the specific GPU, graphics driver, and operating system: @@ -562,11 +18390,11 @@ operating system: \section staying_within_budget_querying_for_budget Querying for budget -To query for current memory usage and available budget, use function vmaGetBudget(). +To query for current memory usage and available budget, use function vmaGetHeapBudgets(). Returned structure #VmaBudget contains quantities expressed in bytes, per Vulkan memory heap. Please note that this function returns different information and works faster than -vmaCalculateStats(). vmaGetBudget() can be called every frame or even before every +vmaCalculateStats(). vmaGetHeapBudgets() can be called every frame or even before every allocation, while vmaCalculateStats() is intended to be used rarely, only to obtain statistical information, e.g. for debugging purposes. @@ -597,9 +18425,7 @@ budget, by default the library still tries to create it, leaving it to the Vulka implementation whether the allocation succeeds or fails. You can change this behavior by using #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag. With it, the allocation is not made if it would exceed the budget or if the budget is already exceeded. -Some other allocations become lost instead to make room for it, if the mechanism of -[lost allocations](@ref lost_allocations) is used. -If that is not possible, the allocation fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. +The allocation then fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. Example usage pattern may be to pass the #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag when creating resources that are not essential for the application (e.g. the texture of a specific object) and not to pass it when creating critically important resources @@ -738,6 +18564,8 @@ It can be useful if you want to: - Enforce particular, fixed size of Vulkan memory blocks. - Limit maximum amount of Vulkan memory allocated for that pool. - Reserve minimum or fixed amount of Vulkan memory always preallocated for that pool. +- Use extra parameters for a set of your allocations that are available in #VmaPoolCreateInfo but not in + #VmaAllocationCreateInfo - e.g., custom minimum alignment, custom `pNext` chain. To use custom memory pools: @@ -779,6 +18607,11 @@ vmaDestroyBuffer(allocator, buf, alloc); vmaDestroyPool(allocator, pool); \endcode +New versions of this library support creating dedicated allocations in custom pools. +It is supported only when VmaPoolCreateInfo::blockSize = 0. +To use this feature, set VmaAllocationCreateInfo::pool to the pointer to your custom pool and +VmaAllocationCreateInfo::flags to #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + \section custom_memory_pools_MemTypeIndex Choosing memory type index When creating a pool, you must explicitly specify memory type index. @@ -833,6 +18666,7 @@ less memory consumed by metadata. With this one flag, you can create a custom pool that can be used in many ways: free-at-once, stack, double stack, and ring buffer. See below for details. +You don't need to specify explicitly which of these options you are going to use - it is detected automatically. \subsection linear_algorithm_free_at_once Free-at-once @@ -868,7 +18702,7 @@ stacks: - First, default one, growing up from offset 0. - Second, "upper" one, growing down from the end towards lower offsets. -To make allocation from upper stack, add flag #VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT +To make allocation from the upper stack, add flag #VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT to VmaAllocationCreateInfo::flags. ![Double stack](../gfx/Linear_allocator_7_double_stack.png) @@ -890,24 +18724,17 @@ you can achieve behavior of a ring buffer / queue. ![Ring buffer](../gfx/Linear_allocator_5_ring_buffer.png) -Pools with linear algorithm support [lost allocations](@ref lost_allocations) when used as ring buffer. -If there is not enough free space for a new allocation, but existing allocations -from the front of the queue can become lost, they become lost and the allocation -succeeds. - -![Ring buffer with lost allocations](../gfx/Linear_allocator_6_ring_buffer_lost.png) - Ring buffer is available only in pools with one memory block - VmaPoolCreateInfo::maxBlockCount must be 1. Otherwise behavior is undefined. \section buddy_algorithm Buddy allocation algorithm There is another allocation algorithm that can be used with custom pools, called -"buddy". Its internal data structure is based on a tree of blocks, each having +"buddy". Its internal data structure is based on a binary tree of blocks, each having size that is a power of two and a half of its parent's size. When you want to -allocate memory of certain size, a free node in the tree is located. If it's too +allocate memory of certain size, a free node in the tree is located. If it is too large, it is recursively split into two halves (called "buddies"). However, if -requested allocation size is not a power of two, the size of a tree node is +requested allocation size is not a power of two, the size of the allocation is aligned up to the nearest power of two and the remaining space is wasted. When two buddy nodes become free, they are merged back into one larger node. @@ -916,9 +18743,8 @@ two buddy nodes become free, they are merged back into one larger node. The advantage of buddy allocation algorithm over default algorithm is faster allocation and deallocation, as well as smaller external fragmentation. The disadvantage is more wasted space (internal fragmentation). - -For more information, please read ["Buddy memory allocation" on Wikipedia](https://en.wikipedia.org/wiki/Buddy_memory_allocation) -or other sources that describe this concept in general. +For more information, please search the Internet for "Buddy memory allocation" - +sources that describe this concept in general. To use buddy allocation algorithm with a custom pool, add flag #VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT to VmaPoolCreateInfo::flags while creating @@ -932,8 +18758,6 @@ Several limitations apply to pools that use buddy algorithm: - [Margins](@ref debugging_memory_usage_margins) and [corruption detection](@ref debugging_memory_usage_corruption_detection) don't work in such pools. -- [Lost allocations](@ref lost_allocations) don't work in such pools. You can - use them, but they never become lost. Support may be added in the future. - [Defragmentation](@ref defragmentation) doesn't work with allocations made from such pool. @@ -1067,8 +18891,8 @@ VmaDefragmentationInfo2 defragInfo = {}; defragInfo.allocationCount = allocCount; defragInfo.pAllocations = allocations.data(); defragInfo.pAllocationsChanged = allocationsChanged.data(); -defragInfo.maxGpuBytesToMove = VK_WHOLE_SIZE; // Notice it's "GPU" this time. -defragInfo.maxGpuAllocationsToMove = UINT32_MAX; // Notice it's "GPU" this time. +defragInfo.maxGpuBytesToMove = VK_WHOLE_SIZE; // Notice it is "GPU" this time. +defragInfo.maxGpuAllocationsToMove = UINT32_MAX; // Notice it is "GPU" this time. defragInfo.commandBuffer = commandBuffer; VmaDefragmentationContext defragCtx; @@ -1145,7 +18969,7 @@ Here are steps needed to do this: class `VmaDefragmentationAlgorithm` and implement your version of its pure virtual methods. See definition and comments of this class for details. -# Your code needs to interact with device memory block metadata. - If you need more access to its data than it's provided by its public interface, + If you need more access to its data than it is provided by its public interface, declare your new class as a friend class e.g. in class `VmaBlockMetadata_Generic`. -# If you want to create a flag that would enable your algorithm or pass some additional flags to configure it, add them to `VmaDefragmentationFlagBits` and use them in @@ -1154,124 +18978,6 @@ Here are steps needed to do this: of your new class whenever needed. -\page lost_allocations Lost allocations - -If your game oversubscribes video memory, if may work OK in previous-generation -graphics APIs (DirectX 9, 10, 11, OpenGL) because resources are automatically -paged to system RAM. In Vulkan you can't do it because when you run out of -memory, an allocation just fails. If you have more data (e.g. textures) that can -fit into VRAM and you don't need it all at once, you may want to upload them to -GPU on demand and "push out" ones that are not used for a long time to make room -for the new ones, effectively using VRAM (or a cartain memory pool) as a form of -cache. Vulkan Memory Allocator can help you with that by supporting a concept of -"lost allocations". - -To create an allocation that can become lost, include #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT -flag in VmaAllocationCreateInfo::flags. Before using a buffer or image bound to -such allocation in every new frame, you need to query it if it's not lost. -To check it, call vmaTouchAllocation(). -If the allocation is lost, you should not use it or buffer/image bound to it. -You mustn't forget to destroy this allocation and this buffer/image. -vmaGetAllocationInfo() can also be used for checking status of the allocation. -Allocation is lost when returned VmaAllocationInfo::deviceMemory == `VK_NULL_HANDLE`. - -To create an allocation that can make some other allocations lost to make room -for it, use #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag. You will -usually use both flags #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT and -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT at the same time. - -Warning! Current implementation uses quite naive, brute force algorithm, -which can make allocation calls that use #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT -flag quite slow. A new, more optimal algorithm and data structure to speed this -up is planned for the future. - -Q: When interleaving creation of new allocations with usage of existing ones, -how do you make sure that an allocation won't become lost while it's used in the -current frame? - -It is ensured because vmaTouchAllocation() / vmaGetAllocationInfo() not only returns allocation -status/parameters and checks whether it's not lost, but when it's not, it also -atomically marks it as used in the current frame, which makes it impossible to -become lost in that frame. It uses lockless algorithm, so it works fast and -doesn't involve locking any internal mutex. - -Q: What if my allocation may still be in use by the GPU when it's rendering a -previous frame while I already submit new frame on the CPU? - -You can make sure that allocations "touched" by vmaTouchAllocation() / vmaGetAllocationInfo() will not -become lost for a number of additional frames back from the current one by -specifying this number as VmaAllocatorCreateInfo::frameInUseCount (for default -memory pool) and VmaPoolCreateInfo::frameInUseCount (for custom pool). - -Q: How do you inform the library when new frame starts? - -You need to call function vmaSetCurrentFrameIndex(). - -Example code: - -\code -struct MyBuffer -{ - VkBuffer m_Buf = nullptr; - VmaAllocation m_Alloc = nullptr; - - // Called when the buffer is really needed in the current frame. - void EnsureBuffer(); -}; - -void MyBuffer::EnsureBuffer() -{ - // Buffer has been created. - if(m_Buf != VK_NULL_HANDLE) - { - // Check if its allocation is not lost + mark it as used in current frame. - if(vmaTouchAllocation(allocator, m_Alloc)) - { - // It's all OK - safe to use m_Buf. - return; - } - } - - // Buffer not yet exists or lost - destroy and recreate it. - - vmaDestroyBuffer(allocator, m_Buf, m_Alloc); - - VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; - bufCreateInfo.size = 1024; - bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - - VmaAllocationCreateInfo allocCreateInfo = {}; - allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; - allocCreateInfo.flags = VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT | - VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT; - - vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &m_Buf, &m_Alloc, nullptr); -} -\endcode - -When using lost allocations, you may see some Vulkan validation layer warnings -about overlapping regions of memory bound to different kinds of buffers and -images. This is still valid as long as you implement proper handling of lost -allocations (like in the example above) and don't use them. - -You can create an allocation that is already in lost state from the beginning using function -vmaCreateLostAllocation(). It may be useful if you need a "dummy" allocation that is not null. - -You can call function vmaMakePoolAllocationsLost() to set all eligible allocations -in a specified custom pool to lost state. -Allocations that have been "touched" in current frame or VmaPoolCreateInfo::frameInUseCount frames back -cannot become lost. - -Q: Can I touch allocation that cannot become lost? - -Yes, although it has no visible effect. -Calls to vmaGetAllocationInfo() and vmaTouchAllocation() update last use frame index -also for allocations that cannot become lost, but the only way to observe it is to dump -internal allocator state using vmaBuildStatsString(). -You can use this feature for debugging purposes to explicitly mark allocations that you use -in current frame and then analyze JSON dump to see for how long each allocation stays unused. - - \page statistics Statistics This library contains functions that return information about its internal state, @@ -1321,7 +19027,7 @@ This allows e.g. to visualize the memory or assess fragmentation. You can annotate allocations with your own information, e.g. for debugging purposes. To do that, fill VmaAllocationCreateInfo::pUserData field when creating -an allocation. It's an opaque `void*` pointer. You can use it e.g. as a pointer, +an allocation. It is an opaque `void*` pointer. You can use it e.g. as a pointer, some handle, index, key, ordinal number or any other value that would associate the allocation with your custom metadata. @@ -1397,6 +19103,168 @@ That string is also printed in JSON report created by vmaBuildStatsString(). You must do it manually using an extension like VK_EXT_debug_utils, which is independent of this library. +\page virtual_allocator Virtual allocator + +As an extra feature, the core allocation algorithm of the library is exposed through a simple and convenient API of "virtual allocator". +It doesn't allocate any real GPU memory. It just keeps track of used and free regions of a "virtual block". +You can use it to allocate your own memory or other objects, even completely unrelated to Vulkan. +A common use case is sub-allocation of pieces of one large GPU buffer. + +\section virtual_allocator_creating_virtual_block Creating virtual block + +To use this functionality, there is no main "allocator" object. +You don't need to have #VmaAllocator object created. +All you need to do is to create a separate #VmaVirtualBlock object for each block of memory you want to be managed by the allocator: + +-# Fill in #VmaVirtualBlockCreateInfo structure. +-# Call vmaCreateVirtualBlock(). Get new #VmaVirtualBlock object. + +Example: + +\code +VmaVirtualBlockCreateInfo blockCreateInfo = {}; +blockCreateInfo.size = 1048576; // 1 MB + +VmaVirtualBlock block; +VkResult res = vmaCreateVirtualBlock(&blockCreateInfo, &block); +\endcode + +\section virtual_allocator_making_virtual_allocations Making virtual allocations + +#VmaVirtualBlock object contains internal data structure that keeps track of free and occupied regions +using the same code as the main Vulkan memory allocator. +Similarly to #VmaAllocation for standard GPU allocations, there is #VmaVirtualAllocation type +that represents an opaque handle to an allocation withing the virtual block. + +In order to make such allocation: + +-# Fill in #VmaVirtualAllocationCreateInfo structure. +-# Call vmaVirtualAllocate(). Get new #VmaVirtualAllocation object that represents the allocation. + You can also receive `VkDeviceSize offset` that was assigned to the allocation. + +Example: + +\code +VmaVirtualAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.size = 4096; // 4 KB + +VmaVirtualAllocation alloc; +VkDeviceSize offset; +res = vmaVirtualAllocate(block, &allocCreateInfo, &alloc, &offset); +if(res == VK_SUCCESS) +{ + // Use the 4 KB of your memory starting at offset. +} +else +{ + // Allocation failed - no space for it could be found. Handle this error! +} +\endcode + +\section virtual_allocator_deallocation Deallocation + +When no longer needed, an allocation can be freed by calling vmaVirtualFree(). +You can only pass to this function an allocation that was previously returned by vmaVirtualAllocate() +called for the same #VmaVirtualBlock. + +When whole block is no longer needed, the block object can be released by calling vmaDestroyVirtualBlock(). +All allocations must be freed before the block is destroyed, which is checked internally by an assert. +However, if you don't want to call vmaVirtualFree() for each allocation, you can use vmaClearVirtualBlock() to free them all at once - +a feature not available in normal Vulkan memory allocator. Example: + +\code +vmaVirtualFree(block, alloc); +vmaDestroyVirtualBlock(block); +\endcode + +\section virtual_allocator_allocation_parameters Allocation parameters + +You can attach a custom pointer to each allocation by using vmaSetVirtualAllocationUserData(). +Its default value is null. +It can be used to store any data that needs to be associated with that allocation - e.g. an index, a handle, or a pointer to some +larger data structure containing more information. Example: + +\code +struct CustomAllocData +{ + std::string m_AllocName; +}; +CustomAllocData* allocData = new CustomAllocData(); +allocData->m_AllocName = "My allocation 1"; +vmaSetVirtualAllocationUserData(block, alloc, allocData); +\endcode + +The pointer can later be fetched, along with allocation offset and size, by passing the allocation handle to function +vmaGetVirtualAllocationInfo() and inspecting returned structure #VmaVirtualAllocationInfo. +If you allocated a new object to be used as the custom pointer, don't forget to delete that object before freeing the allocation! +Example: + +\code +VmaVirtualAllocationInfo allocInfo; +vmaGetVirtualAllocationInfo(block, alloc, &allocInfo); +delete (CustomAllocData*)allocInfo.pUserData; + +vmaVirtualFree(block, alloc); +\endcode + +\section virtual_allocator_alignment_and_units Alignment and units + +It feels natural to express sizes and offsets in bytes. +If an offset of an allocation needs to be aligned to a multiply of some number (e.g. 4 bytes), you can fill optional member +VmaVirtualAllocationCreateInfo::alignment to request it. Example: + +\code +VmaVirtualAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.size = 4096; // 4 KB +allocCreateInfo.alignment = 4; // Returned offset must be a multiply of 4 B + +VmaVirtualAllocation alloc; +res = vmaVirtualAllocate(block, &allocCreateInfo, &alloc, nullptr); +\endcode + +Alignments of different allocations made from one block may vary. +However, if all alignments and sizes are always multiply of some size e.g. 4 B or `sizeof(MyDataStruct)`, +you can express all sizes, alignments, and offsets in multiples of that size instead of individual bytes. +It might be more convenient, but you need to make sure to use this new unit consistently in all the places: + +- VmaVirtualBlockCreateInfo::size +- VmaVirtualAllocationCreateInfo::size and VmaVirtualAllocationCreateInfo::alignment +- Using offset returned by vmaVirtualAllocate() or in VmaVirtualAllocationInfo::offset + +\section virtual_allocator_statistics Statistics + +You can obtain statistics of a virtual block using vmaCalculateVirtualBlockStats(). +The function fills structure #VmaStatInfo - same as used by the normal Vulkan memory allocator. +Example: + +\code +VmaStatInfo statInfo; +vmaCalculateVirtualBlockStats(block, &statInfo); +printf("My virtual block has %llu bytes used by %u virtual allocations\n", + statInfo.usedBytes, statInfo.allocationCount); +\endcode + +You can also request a full list of allocations and free regions as a string in JSON format by calling +vmaBuildVirtualBlockStatsString(). +Returned string must be later freed using vmaFreeVirtualBlockStatsString(). +The format of this string differs from the one returned by the main Vulkan allocator, but it is similar. + +\section virtual_allocator_additional_considerations Additional considerations + +The "virtual allocator" functionality is implemented on a level of individual memory blocks. +Keeping track of a whole collection of blocks, allocating new ones when out of free space, +deleting empty ones, and deciding which one to try first for a new allocation must be implemented by the user. + +Alternative allocation algorithms are supported, just like in custom pools of the real GPU memory. +See enum #VmaVirtualBlockCreateFlagBits to learn how to specify them (e.g. #VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT). +You can find their description in chapter \ref custom_memory_pools. +Allocation strategies are also supported. +See enum #VmaVirtualAllocationCreateFlagBits to learn how to specify them (e.g. #VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT). + +Following features are supported only by the allocator of the real GPU memory and not by virtual allocations: +buffer-image granularity, `VMA_DEBUG_MARGIN`, `VMA_MIN_ALIGNMENT`. + + \page debugging_memory_usage Debugging incorrect memory usage If you suspect a bug with memory usage, like usage of uninitialized memory or @@ -1423,8 +19291,6 @@ read Vulkan memory that is allocated but not initialized, or already freed, resp Memory initialization works only with memory types that are `HOST_VISIBLE`. It works also with dedicated allocations. -It doesn't work with allocations created with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -as they cannot be mapped. \section debugging_memory_usage_margins Margins @@ -1434,7 +19300,7 @@ By default, allocations are laid out in memory blocks next to each other if poss ![Allocations without margin](../gfx/Margins_1.png) Define macro `VMA_DEBUG_MARGIN` to some non-zero value (e.g. 16) to enforce specified -number of bytes as a margin before and after every allocation. +number of bytes as a margin after every allocation. \code #define VMA_DEBUG_MARGIN 16 @@ -1448,9 +19314,6 @@ being overwritten outside of allocation boundaries. It is not 100% certain thoug Change in application behavior may also be caused by different order and distribution of allocations across memory blocks after margins are applied. -The margin is applied also before first and after last allocation in a block. -It may occur only once between two adjacent allocations. - Margins work with all types of memory. Margin is applied only to allocations made out of memory blocks and not to dedicated @@ -1464,6 +19327,8 @@ Margins appear in [JSON dump](@ref statistics_json_dump) as part of free space. Note that enabling margins increases memory usage and fragmentation. +Margins do not apply to \ref virtual_allocator. + \section debugging_memory_usage_corruption_detection Corruption detection You can additionally define macro `VMA_DEBUG_DETECT_CORRUPTION` to 1 to enable validation @@ -1476,12 +19341,12 @@ of contents of the margins. \endcode When this feature is enabled, number of bytes specified as `VMA_DEBUG_MARGIN` -(it must be multiply of 4) before and after every allocation is filled with a magic number. +(it must be multiply of 4) after every allocation is filled with a magic number. This idea is also know as "canary". Memory is automatically mapped and unmapped if necessary. This number is validated automatically when the allocation is destroyed. -If it's not equal to the expected value, `VMA_ASSERT()` is executed. +If it is not equal to the expected value, `VMA_ASSERT()` is executed. It clearly means that either CPU or GPU overwritten the memory outside of boundaries of the allocation, which indicates a serious bug. @@ -1494,56 +19359,50 @@ Margin validation (corruption detection) works only for memory types that are `HOST_VISIBLE` and `HOST_COHERENT`. -\page record_and_replay Record and replay +\page opengl_interop OpenGL Interop -\section record_and_replay_introduction Introduction +VMA provides some features that help with interoperability with OpenGL. -While using the library, sequence of calls to its functions together with their -parameters can be recorded to a file and later replayed using standalone player -application. It can be useful to: +\section opengl_interop_exporting_memory Exporting memory -- Test correctness - check if same sequence of calls will not cause crash or - failures on a target platform. -- Gather statistics - see number of allocations, peak memory usage, number of - calls etc. -- Benchmark performance - see how much time it takes to replay the whole - sequence. +If you want to attach `VkExportMemoryAllocateInfoKHR` structure to `pNext` chain of memory allocations made by the library: -\section record_and_replay_usage Usage +It is recommended to create \ref custom_memory_pools for such allocations. +Define and fill in your `VkExportMemoryAllocateInfoKHR` structure and attach it to VmaPoolCreateInfo::pMemoryAllocateNext +while creating the custom pool. +Please note that the structure must remain alive and unchanged for the whole lifetime of the #VmaPool, +not only while creating it, as no copy of the structure is made, +but its original pointer is used for each allocation instead. -Recording functionality is disabled by default. -To enable it, define following macro before every include of this library: +If you want to export all memory allocated by the library from certain memory types, +also dedicated allocations or other allocations made from default pools, +an alternative solution is to fill in VmaAllocatorCreateInfo::pTypeExternalMemoryHandleTypes. +It should point to an array with `VkExternalMemoryHandleTypeFlagsKHR` to be automatically passed by the library +through `VkExportMemoryAllocateInfoKHR` on each allocation made from a specific memory type. +Please note that new versions of the library also support dedicated allocations created in custom pools. -\code -#define VMA_RECORDING_ENABLED 1 -\endcode +You should not mix these two methods in a way that allows to apply both to the same memory type. +Otherwise, `VkExportMemoryAllocateInfoKHR` structure would be attached twice to the `pNext` chain of `VkMemoryAllocateInfo`. -To record sequence of calls to a file: Fill in -VmaAllocatorCreateInfo::pRecordSettings member while creating #VmaAllocator -object. File is opened and written during whole lifetime of the allocator. -To replay file: Use VmaReplay - standalone command-line program. -Precompiled binary can be found in "bin" directory. -Its source can be found in "src/VmaReplay" directory. -Its project is generated by Premake. -Command line syntax is printed when the program is launched without parameters. -Basic usage: +\section opengl_interop_custom_alignment Custom alignment - VmaReplay.exe MyRecording.csv +Buffers or images exported to a different API like OpenGL may require a different alignment, +higher than the one used by the library automatically, queried from functions like `vkGetBufferMemoryRequirements`. +To impose such alignment: -Documentation of file format can be found in file: "docs/Recording file format.md". -It's a human-readable, text file in CSV format (Comma Separated Values). +It is recommended to create \ref custom_memory_pools for such allocations. +Set VmaPoolCreateInfo::minAllocationAlignment member to the minimum alignment required for each allocation +to be made out of this pool. +The alignment actually used will be the maximum of this member and the alignment returned for the specific buffer or image +from a function like `vkGetBufferMemoryRequirements`, which is called by VMA automatically. -\section record_and_replay_additional_considerations Additional considerations +If you want to create a buffer with a specific minimum alignment out of default pools, +use special function vmaCreateBufferWithAlignment(), which takes additional parameter `minAlignment`. -- Replaying file that was recorded on a different GPU (with different parameters - like `bufferImageGranularity`, `nonCoherentAtomSize`, and especially different - set of memory heaps and types) may give different performance and memory usage - results, as well as issue some warnings and errors. -- Current implementation of recording in VMA, as well as VmaReplay application, is - coded and tested only on Windows. Inclusion of recording code is driven by - `VMA_RECORDING_ENABLED` macro. Support for other platforms should be easy to - add. Contributions are welcomed. +Note the problem of alignment affects only resources placed inside bigger `VkDeviceMemory` blocks and not dedicated +allocations, as these, by definition, always have alignment = 0 because the resource is bound to the beginning of its dedicated block. +Contrary to Direct3D 12, Vulkan doesn't have a concept of alignment of the entire memory block passed on its allocation. \page usage_patterns Recommended usage patterns @@ -1568,8 +19427,7 @@ enums carefully for details. \ref custom_memory_pools may be useful for special purposes - when you want to keep certain type of resources separate e.g. to reserve minimum amount of memory -for them, limit maximum amount of memory they can occupy, or make some of them -push out the other through the mechanism of \ref lost_allocations. For most +for them or limit maximum amount of memory they can occupy. For most resources this is not needed and so it is not recommended to create #VmaPool objects and allocations out of them. Allocating from the default pool is sufficient. @@ -1807,7 +19665,7 @@ allocatorInfo.flags |= VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT; vmaCreateAllocator(&allocatorInfo, &allocator); \endcode -That's all. The extension will be automatically used whenever you create a +That is all. The extension will be automatically used whenever you create a buffer using vmaCreateBuffer() or image using vmaCreateImage(). When using the extension together with Vulkan Validation Layer, you will receive @@ -1878,7 +19736,7 @@ devices. There are multiple ways to do it, for example: \section vk_amd_device_coherent_memory_more_information More information -To learn more about this extension, see [VK_AMD_device_coherent_memory in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/chap44.html#VK_AMD_device_coherent_memory) +To learn more about this extension, see [VK_AMD_device_coherent_memory in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_AMD_device_coherent_memory.html) Example use of this extension can be found in the code of the sample and test suite accompanying this library. @@ -1900,7 +19758,7 @@ Check if the extension is supported - if returned array of `VkExtensionPropertie 2) Call `vkGetPhysicalDeviceFeatures2` for the physical device instead of old `vkGetPhysicalDeviceFeatures`. Attach additional structure `VkPhysicalDeviceBufferDeviceAddressFeatures*` to `VkPhysicalDeviceFeatures2::pNext` to be returned. -Check if the device feature is really supported - check if `VkPhysicalDeviceBufferDeviceAddressFeatures*::bufferDeviceAddress` is true. +Check if the device feature is really supported - check if `VkPhysicalDeviceBufferDeviceAddressFeatures::bufferDeviceAddress` is true. 3) (For Vulkan version < 1.2) While creating device with `vkCreateDevice`, enable this extension - add "VK_KHR_buffer_device_address" to the list passed as `VkDeviceCreateInfo::ppEnabledExtensionNames`. @@ -1941,6 +19799,7 @@ accompanying this library. - By default, all calls to functions that take #VmaAllocator as first parameter are safe to call from multiple threads simultaneously because they are synchronized internally when needed. + This includes allocation and deallocation from default memory pool, as well as custom #VmaPool. - When the allocator is created with #VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT flag, calls to functions that take such #VmaAllocator object must be synchronized externally. @@ -1948,6 +19807,7 @@ accompanying this library. you must not call vmaGetAllocationInfo() and vmaMapMemory() from different threads at the same time if you pass the same #VmaAllocation object to these functions. +- #VmaVirtualBlock is also not safe to be used from multiple threads simultaneously. \section general_considerations_validation_layer_warnings Validation layer warnings @@ -1963,9 +19823,7 @@ to just ignore them. `VkDeviceMemory` block, where different types of images and buffers may end up together, especially on GPUs with unified memory like Intel. - *Non-linear image 0xebc91 is aliased with linear buffer 0xeb8e4 which may indicate a bug.* - - It happens when you use lost allocations, and a new image or buffer is - created in place of an existing object that became lost. - - It may happen also when you use [defragmentation](@ref defragmentation). + - It may happen when you use [defragmentation](@ref defragmentation). \section general_considerations_allocation_algorithm Allocation algorithm @@ -1974,9 +19832,6 @@ The library uses following algorithm for allocation, in order: -# Try to find free range of memory in existing blocks. -# If failed, try to create a new block of `VkDeviceMemory`, with preferred block size. -# If failed, try to create such block with size/2, size/4, size/8. --# If failed and #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag was - specified, try to find space in existing blocks, possilby making some other - allocations lost. -# If failed, try to allocate separate `VkDeviceMemory` for this allocation, just like when you use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. -# If failed, choose other memory type that meets the requirements specified in @@ -1987,17747 +19842,28 @@ The library uses following algorithm for allocation, in order: Features deliberately excluded from the scope of this library: -- Data transfer. Uploading (streaming) and downloading data of buffers and images +- **Data transfer.** Uploading (streaming) and downloading data of buffers and images between CPU and GPU memory and related synchronization is responsibility of the user. Defining some "texture" object that would automatically stream its data from a staging copy in CPU memory to GPU memory would rather be a feature of another, higher-level library implemented on top of VMA. -- Allocations for imported/exported external memory. They tend to require - explicit memory type index and dedicated allocation anyway, so they don't - interact with main features of this library. Such special purpose allocations - should be made manually, using `vkCreateBuffer()` and `vkAllocateMemory()`. -- Sub-allocation of parts of one large buffer. Although recommended as a good practice, - it is the user's responsibility to implement such logic on top of VMA. -- Recreation of buffers and images. Although the library has functions for +- **Recreation of buffers and images.** Although the library has functions for buffer and image creation (vmaCreateBuffer(), vmaCreateImage()), you need to - recreate these objects yourself after defragmentation. That's because the big + recreate these objects yourself after defragmentation. That is because the big structures `VkBufferCreateInfo`, `VkImageCreateInfo` are not stored in #VmaAllocation object. -- Handling CPU memory allocation failures. When dynamically creating small C++ +- **Handling CPU memory allocation failures.** When dynamically creating small C++ objects in CPU memory (not Vulkan memory), allocation failures are not checked and handled gracefully, because that would complicate code significantly and is usually not needed in desktop PC applications anyway. Success of an allocation is just checked with an assert. -- Code free of any compiler warnings. Maintaining the library to compile and +- **Code free of any compiler warnings.** Maintaining the library to compile and work correctly on so many different platforms is hard enough. Being free of any warnings, on any version of any compiler, is simply not feasible. -- This is a C++ library with C interface. - Bindings or ports to any other programming languages are welcomed as external projects and + There are many preprocessor macros that make some variables unused, function parameters unreferenced, + or conditional expressions constant in some configurations. + The code of this library should not be bigger or more complicated just to silence these warnings. + It is recommended to disable such warnings instead. +- This is a C++ library with C interface. **Bindings or ports to any other programming languages** are welcome as external projects but are not going to be included into this repository. - */ - -#ifdef __cplusplus -extern "C" { -#endif - -/* -Define this macro to 0/1 to disable/enable support for recording functionality, -available through VmaAllocatorCreateInfo::pRecordSettings. -*/ -#ifndef VMA_RECORDING_ENABLED - #define VMA_RECORDING_ENABLED 0 -#endif - -#if !defined(NOMINMAX) && defined(VMA_IMPLEMENTATION) - #define NOMINMAX // For windows.h -#endif - -#if defined(__ANDROID__) && defined(VK_NO_PROTOTYPES) && VMA_STATIC_VULKAN_FUNCTIONS - extern PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr; - extern PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr; - extern PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties; - extern PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties; - extern PFN_vkAllocateMemory vkAllocateMemory; - extern PFN_vkFreeMemory vkFreeMemory; - extern PFN_vkMapMemory vkMapMemory; - extern PFN_vkUnmapMemory vkUnmapMemory; - extern PFN_vkFlushMappedMemoryRanges vkFlushMappedMemoryRanges; - extern PFN_vkInvalidateMappedMemoryRanges vkInvalidateMappedMemoryRanges; - extern PFN_vkBindBufferMemory vkBindBufferMemory; - extern PFN_vkBindImageMemory vkBindImageMemory; - extern PFN_vkGetBufferMemoryRequirements vkGetBufferMemoryRequirements; - extern PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements; - extern PFN_vkCreateBuffer vkCreateBuffer; - extern PFN_vkDestroyBuffer vkDestroyBuffer; - extern PFN_vkCreateImage vkCreateImage; - extern PFN_vkDestroyImage vkDestroyImage; - extern PFN_vkCmdCopyBuffer vkCmdCopyBuffer; - #if VMA_VULKAN_VERSION >= 1001000 - extern PFN_vkGetBufferMemoryRequirements2 vkGetBufferMemoryRequirements2; - extern PFN_vkGetImageMemoryRequirements2 vkGetImageMemoryRequirements2; - extern PFN_vkBindBufferMemory2 vkBindBufferMemory2; - extern PFN_vkBindImageMemory2 vkBindImageMemory2; - extern PFN_vkGetPhysicalDeviceMemoryProperties2 vkGetPhysicalDeviceMemoryProperties2; - #endif // #if VMA_VULKAN_VERSION >= 1001000 -#endif // #if defined(__ANDROID__) && VMA_STATIC_VULKAN_FUNCTIONS && VK_NO_PROTOTYPES - -#ifndef VULKAN_H_ - #ifdef USE_VOLK - #include - #else - #include - #endif -#endif - -// Define this macro to declare maximum supported Vulkan version in format AAABBBCCC, -// where AAA = major, BBB = minor, CCC = patch. -// If you want to use version > 1.0, it still needs to be enabled via VmaAllocatorCreateInfo::vulkanApiVersion. -#if !defined(VMA_VULKAN_VERSION) - #if defined(VK_VERSION_1_2) - #define VMA_VULKAN_VERSION 1002000 - #elif defined(VK_VERSION_1_1) - #define VMA_VULKAN_VERSION 1001000 - #else - #define VMA_VULKAN_VERSION 1000000 - #endif -#endif - -#if !defined(VMA_DEDICATED_ALLOCATION) - #if VK_KHR_get_memory_requirements2 && VK_KHR_dedicated_allocation - #define VMA_DEDICATED_ALLOCATION 1 - #else - #define VMA_DEDICATED_ALLOCATION 0 - #endif -#endif - -#if !defined(VMA_BIND_MEMORY2) - #if VK_KHR_bind_memory2 - #define VMA_BIND_MEMORY2 1 - #else - #define VMA_BIND_MEMORY2 0 - #endif -#endif - -#if !defined(VMA_MEMORY_BUDGET) - #if VK_EXT_memory_budget && (VK_KHR_get_physical_device_properties2 || VMA_VULKAN_VERSION >= 1001000) - #define VMA_MEMORY_BUDGET 1 - #else - #define VMA_MEMORY_BUDGET 0 - #endif -#endif - -// Defined to 1 when VK_KHR_buffer_device_address device extension or equivalent core Vulkan 1.2 feature is defined in its headers. -#if !defined(VMA_BUFFER_DEVICE_ADDRESS) - #if VK_KHR_buffer_device_address || VMA_VULKAN_VERSION >= 1002000 - #define VMA_BUFFER_DEVICE_ADDRESS 1 - #else - #define VMA_BUFFER_DEVICE_ADDRESS 0 - #endif -#endif - -// Defined to 1 when VK_EXT_memory_priority device extension is defined in Vulkan headers. -#if !defined(VMA_MEMORY_PRIORITY) - #if VK_EXT_memory_priority - #define VMA_MEMORY_PRIORITY 1 - #else - #define VMA_MEMORY_PRIORITY 0 - #endif -#endif - -// Defined to 1 when VK_KHR_external_memory device extension is defined in Vulkan headers. -#if !defined(VMA_EXTERNAL_MEMORY) - #if VK_KHR_external_memory - #define VMA_EXTERNAL_MEMORY 1 - #else - #define VMA_EXTERNAL_MEMORY 0 - #endif -#endif - -// Define these macros to decorate all public functions with additional code, -// before and after returned type, appropriately. This may be useful for -// exporting the functions when compiling VMA as a separate library. Example: -// #define VMA_CALL_PRE __declspec(dllexport) -// #define VMA_CALL_POST __cdecl -#ifndef VMA_CALL_PRE - #define VMA_CALL_PRE -#endif -#ifndef VMA_CALL_POST - #define VMA_CALL_POST -#endif - -// Define this macro to decorate pointers with an attribute specifying the -// length of the array they point to if they are not null. -// -// The length may be one of -// - The name of another parameter in the argument list where the pointer is declared -// - The name of another member in the struct where the pointer is declared -// - The name of a member of a struct type, meaning the value of that member in -// the context of the call. For example -// VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount"), -// this means the number of memory heaps available in the device associated -// with the VmaAllocator being dealt with. -#ifndef VMA_LEN_IF_NOT_NULL - #define VMA_LEN_IF_NOT_NULL(len) -#endif - -// The VMA_NULLABLE macro is defined to be _Nullable when compiling with Clang. -// see: https://clang.llvm.org/docs/AttributeReference.html#nullable -#ifndef VMA_NULLABLE - #ifdef __clang__ - #define VMA_NULLABLE _Nullable - #else - #define VMA_NULLABLE - #endif -#endif - -// The VMA_NOT_NULL macro is defined to be _Nonnull when compiling with Clang. -// see: https://clang.llvm.org/docs/AttributeReference.html#nonnull -#ifndef VMA_NOT_NULL - #ifdef __clang__ - #define VMA_NOT_NULL _Nonnull - #else - #define VMA_NOT_NULL - #endif -#endif - -// If non-dispatchable handles are represented as pointers then we can give -// then nullability annotations -#ifndef VMA_NOT_NULL_NON_DISPATCHABLE - #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) - #define VMA_NOT_NULL_NON_DISPATCHABLE VMA_NOT_NULL - #else - #define VMA_NOT_NULL_NON_DISPATCHABLE - #endif -#endif - -#ifndef VMA_NULLABLE_NON_DISPATCHABLE - #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) - #define VMA_NULLABLE_NON_DISPATCHABLE VMA_NULLABLE - #else - #define VMA_NULLABLE_NON_DISPATCHABLE - #endif -#endif - -/** \struct VmaAllocator -\brief Represents main object of this library initialized. - -Fill structure #VmaAllocatorCreateInfo and call function vmaCreateAllocator() to create it. -Call function vmaDestroyAllocator() to destroy it. - -It is recommended to create just one object of this type per `VkDevice` object, -right after Vulkan is initialized and keep it alive until before Vulkan device is destroyed. -*/ -VK_DEFINE_HANDLE(VmaAllocator) - -/// Callback function called after successful vkAllocateMemory. -typedef void (VKAPI_PTR *PFN_vmaAllocateDeviceMemoryFunction)( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t memoryType, - VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, - VkDeviceSize size, - void* VMA_NULLABLE pUserData); -/// Callback function called before vkFreeMemory. -typedef void (VKAPI_PTR *PFN_vmaFreeDeviceMemoryFunction)( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t memoryType, - VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, - VkDeviceSize size, - void* VMA_NULLABLE pUserData); - -/** \brief Set of callbacks that the library will call for `vkAllocateMemory` and `vkFreeMemory`. - -Provided for informative purpose, e.g. to gather statistics about number of -allocations or total amount of memory allocated in Vulkan. - -Used in VmaAllocatorCreateInfo::pDeviceMemoryCallbacks. -*/ -typedef struct VmaDeviceMemoryCallbacks { - /// Optional, can be null. - PFN_vmaAllocateDeviceMemoryFunction VMA_NULLABLE pfnAllocate; - /// Optional, can be null. - PFN_vmaFreeDeviceMemoryFunction VMA_NULLABLE pfnFree; - /// Optional, can be null. - void* VMA_NULLABLE pUserData; -} VmaDeviceMemoryCallbacks; - -/// Flags for created #VmaAllocator. -typedef enum VmaAllocatorCreateFlagBits { - /** \brief Allocator and all objects created from it will not be synchronized internally, so you must guarantee they are used from only one thread at a time or synchronized externally by you. - - Using this flag may increase performance because internal mutexes are not used. - */ - VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT = 0x00000001, - /** \brief Enables usage of VK_KHR_dedicated_allocation extension. - - The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. - When it's `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. - - Using this extension will automatically allocate dedicated blocks of memory for - some buffers and images instead of suballocating place for them out of bigger - memory blocks (as if you explicitly used #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT - flag) when it is recommended by the driver. It may improve performance on some - GPUs. - - You may set this flag only if you found out that following device extensions are - supported, you enabled them while creating Vulkan device passed as - VmaAllocatorCreateInfo::device, and you want them to be used internally by this - library: - - - VK_KHR_get_memory_requirements2 (device extension) - - VK_KHR_dedicated_allocation (device extension) - - When this flag is set, you can experience following warnings reported by Vulkan - validation layer. You can ignore them. - - > vkBindBufferMemory(): Binding memory to buffer 0x2d but vkGetBufferMemoryRequirements() has not been called on that buffer. - */ - VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT = 0x00000002, - /** - Enables usage of VK_KHR_bind_memory2 extension. - - The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. - When it's `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. - - You may set this flag only if you found out that this device extension is supported, - you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, - and you want it to be used internally by this library. - - The extension provides functions `vkBindBufferMemory2KHR` and `vkBindImageMemory2KHR`, - which allow to pass a chain of `pNext` structures while binding. - This flag is required if you use `pNext` parameter in vmaBindBufferMemory2() or vmaBindImageMemory2(). - */ - VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT = 0x00000004, - /** - Enables usage of VK_EXT_memory_budget extension. - - You may set this flag only if you found out that this device extension is supported, - you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, - and you want it to be used internally by this library, along with another instance extension - VK_KHR_get_physical_device_properties2, which is required by it (or Vulkan 1.1, where this extension is promoted). - - The extension provides query for current memory usage and budget, which will probably - be more accurate than an estimation used by the library otherwise. - */ - VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT = 0x00000008, - /** - Enables usage of VK_AMD_device_coherent_memory extension. - - You may set this flag only if you: - - - found out that this device extension is supported and enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, - - checked that `VkPhysicalDeviceCoherentMemoryFeaturesAMD::deviceCoherentMemory` is true and set it while creating the Vulkan device, - - want it to be used internally by this library. - - The extension and accompanying device feature provide access to memory types with - `VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD` and `VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD` flags. - They are useful mostly for writing breadcrumb markers - a common method for debugging GPU crash/hang/TDR. - - When the extension is not enabled, such memory types are still enumerated, but their usage is illegal. - To protect from this error, if you don't create the allocator with this flag, it will refuse to allocate any memory or create a custom pool in such memory type, - returning `VK_ERROR_FEATURE_NOT_PRESENT`. - */ - VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT = 0x00000010, - /** - Enables usage of "buffer device address" feature, which allows you to use function - `vkGetBufferDeviceAddress*` to get raw GPU pointer to a buffer and pass it for usage inside a shader. - - You may set this flag only if you: - - 1. (For Vulkan version < 1.2) Found as available and enabled device extension - VK_KHR_buffer_device_address. - This extension is promoted to core Vulkan 1.2. - 2. Found as available and enabled device feature `VkPhysicalDeviceBufferDeviceAddressFeatures::bufferDeviceAddress`. - - When this flag is set, you can create buffers with `VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT` using VMA. - The library automatically adds `VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT` to - allocated memory blocks wherever it might be needed. - - For more information, see documentation chapter \ref enabling_buffer_device_address. - */ - VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT = 0x00000020, - /** - Enables usage of VK_EXT_memory_priority extension in the library. - - You may set this flag only if you found available and enabled this device extension, - along with `VkPhysicalDeviceMemoryPriorityFeaturesEXT::memoryPriority == VK_TRUE`, - while creating Vulkan device passed as VmaAllocatorCreateInfo::device. - - When this flag is used, VmaAllocationCreateInfo::priority and VmaPoolCreateInfo::priority - are used to set priorities of allocated Vulkan memory. Without it, these variables are ignored. - - A priority must be a floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. - Larger values are higher priority. The granularity of the priorities is implementation-dependent. - It is automatically passed to every call to `vkAllocateMemory` done by the library using structure `VkMemoryPriorityAllocateInfoEXT`. - The value to be used for default priority is 0.5. - For more details, see the documentation of the VK_EXT_memory_priority extension. - */ - VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT = 0x00000040, - - VMA_ALLOCATOR_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaAllocatorCreateFlagBits; -typedef VkFlags VmaAllocatorCreateFlags; - -/** \brief Pointers to some Vulkan functions - a subset used by the library. - -Used in VmaAllocatorCreateInfo::pVulkanFunctions. -*/ -typedef struct VmaVulkanFunctions { - PFN_vkGetPhysicalDeviceProperties VMA_NULLABLE vkGetPhysicalDeviceProperties; - PFN_vkGetPhysicalDeviceMemoryProperties VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties; - PFN_vkAllocateMemory VMA_NULLABLE vkAllocateMemory; - PFN_vkFreeMemory VMA_NULLABLE vkFreeMemory; - PFN_vkMapMemory VMA_NULLABLE vkMapMemory; - PFN_vkUnmapMemory VMA_NULLABLE vkUnmapMemory; - PFN_vkFlushMappedMemoryRanges VMA_NULLABLE vkFlushMappedMemoryRanges; - PFN_vkInvalidateMappedMemoryRanges VMA_NULLABLE vkInvalidateMappedMemoryRanges; - PFN_vkBindBufferMemory VMA_NULLABLE vkBindBufferMemory; - PFN_vkBindImageMemory VMA_NULLABLE vkBindImageMemory; - PFN_vkGetBufferMemoryRequirements VMA_NULLABLE vkGetBufferMemoryRequirements; - PFN_vkGetImageMemoryRequirements VMA_NULLABLE vkGetImageMemoryRequirements; - PFN_vkCreateBuffer VMA_NULLABLE vkCreateBuffer; - PFN_vkDestroyBuffer VMA_NULLABLE vkDestroyBuffer; - PFN_vkCreateImage VMA_NULLABLE vkCreateImage; - PFN_vkDestroyImage VMA_NULLABLE vkDestroyImage; - PFN_vkCmdCopyBuffer VMA_NULLABLE vkCmdCopyBuffer; -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - PFN_vkGetBufferMemoryRequirements2KHR VMA_NULLABLE vkGetBufferMemoryRequirements2KHR; - PFN_vkGetImageMemoryRequirements2KHR VMA_NULLABLE vkGetImageMemoryRequirements2KHR; -#endif -#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 - PFN_vkBindBufferMemory2KHR VMA_NULLABLE vkBindBufferMemory2KHR; - PFN_vkBindImageMemory2KHR VMA_NULLABLE vkBindImageMemory2KHR; -#endif -#if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 - PFN_vkGetPhysicalDeviceMemoryProperties2KHR VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties2KHR; -#endif -} VmaVulkanFunctions; - -/// Flags to be used in VmaRecordSettings::flags. -typedef enum VmaRecordFlagBits { - /** \brief Enables flush after recording every function call. - - Enable it if you expect your application to crash, which may leave recording file truncated. - It may degrade performance though. - */ - VMA_RECORD_FLUSH_AFTER_CALL_BIT = 0x00000001, - - VMA_RECORD_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaRecordFlagBits; -typedef VkFlags VmaRecordFlags; - -/// Parameters for recording calls to VMA functions. To be used in VmaAllocatorCreateInfo::pRecordSettings. -typedef struct VmaRecordSettings -{ - /// Flags for recording. Use #VmaRecordFlagBits enum. - VmaRecordFlags flags; - /** \brief Path to the file that should be written by the recording. - - Suggested extension: "csv". - If the file already exists, it will be overwritten. - It will be opened for the whole time #VmaAllocator object is alive. - If opening this file fails, creation of the whole allocator object fails. - */ - const char* VMA_NOT_NULL pFilePath; -} VmaRecordSettings; - -/// Description of a Allocator to be created. -typedef struct VmaAllocatorCreateInfo -{ - /// Flags for created allocator. Use #VmaAllocatorCreateFlagBits enum. - VmaAllocatorCreateFlags flags; - /// Vulkan physical device. - /** It must be valid throughout whole lifetime of created allocator. */ - VkPhysicalDevice VMA_NOT_NULL physicalDevice; - /// Vulkan device. - /** It must be valid throughout whole lifetime of created allocator. */ - VkDevice VMA_NOT_NULL device; - /// Preferred size of a single `VkDeviceMemory` block to be allocated from large heaps > 1 GiB. Optional. - /** Set to 0 to use default, which is currently 256 MiB. */ - VkDeviceSize preferredLargeHeapBlockSize; - /// Custom CPU memory allocation callbacks. Optional. - /** Optional, can be null. When specified, will also be used for all CPU-side memory allocations. */ - const VkAllocationCallbacks* VMA_NULLABLE pAllocationCallbacks; - /// Informative callbacks for `vkAllocateMemory`, `vkFreeMemory`. Optional. - /** Optional, can be null. */ - const VmaDeviceMemoryCallbacks* VMA_NULLABLE pDeviceMemoryCallbacks; - /** \brief Maximum number of additional frames that are in use at the same time as current frame. - - This value is used only when you make allocations with - VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocation cannot become - lost if allocation.lastUseFrameIndex >= allocator.currentFrameIndex - frameInUseCount. - - For example, if you double-buffer your command buffers, so resources used for - rendering in previous frame may still be in use by the GPU at the moment you - allocate resources needed for the current frame, set this value to 1. - - If you want to allow any allocations other than used in the current frame to - become lost, set this value to 0. - */ - uint32_t frameInUseCount; - /** \brief Either null or a pointer to an array of limits on maximum number of bytes that can be allocated out of particular Vulkan memory heap. - - If not NULL, it must be a pointer to an array of - `VkPhysicalDeviceMemoryProperties::memoryHeapCount` elements, defining limit on - maximum number of bytes that can be allocated out of particular Vulkan memory - heap. - - Any of the elements may be equal to `VK_WHOLE_SIZE`, which means no limit on that - heap. This is also the default in case of `pHeapSizeLimit` = NULL. - - If there is a limit defined for a heap: - - - If user tries to allocate more memory from that heap using this allocator, - the allocation fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. - - If the limit is smaller than heap size reported in `VkMemoryHeap::size`, the - value of this limit will be reported instead when using vmaGetMemoryProperties(). - - Warning! Using this feature may not be equivalent to installing a GPU with - smaller amount of memory, because graphics driver doesn't necessary fail new - allocations with `VK_ERROR_OUT_OF_DEVICE_MEMORY` result when memory capacity is - exceeded. It may return success and just silently migrate some device memory - blocks to system RAM. This driver behavior can also be controlled using - VK_AMD_memory_overallocation_behavior extension. - */ - const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount") pHeapSizeLimit; - - /** \brief Pointers to Vulkan functions. Can be null. - - For details see [Pointers to Vulkan functions](@ref config_Vulkan_functions). - */ - const VmaVulkanFunctions* VMA_NULLABLE pVulkanFunctions; - /** \brief Parameters for recording of VMA calls. Can be null. - - If not null, it enables recording of calls to VMA functions to a file. - If support for recording is not enabled using `VMA_RECORDING_ENABLED` macro, - creation of the allocator object fails with `VK_ERROR_FEATURE_NOT_PRESENT`. - */ - const VmaRecordSettings* VMA_NULLABLE pRecordSettings; - /** \brief Handle to Vulkan instance object. - - Starting from version 3.0.0 this member is no longer optional, it must be set! - */ - VkInstance VMA_NOT_NULL instance; - /** \brief Optional. The highest version of Vulkan that the application is designed to use. - - It must be a value in the format as created by macro `VK_MAKE_VERSION` or a constant like: `VK_API_VERSION_1_1`, `VK_API_VERSION_1_0`. - The patch version number specified is ignored. Only the major and minor versions are considered. - It must be less or equal (preferably equal) to value as passed to `vkCreateInstance` as `VkApplicationInfo::apiVersion`. - Only versions 1.0, 1.1, 1.2 are supported by the current implementation. - Leaving it initialized to zero is equivalent to `VK_API_VERSION_1_0`. - */ - uint32_t vulkanApiVersion; -#if VMA_EXTERNAL_MEMORY - /** \brief Either null or a pointer to an array of external memory handle types for each Vulkan memory type. - - If not NULL, it must be a pointer to an array of `VkPhysicalDeviceMemoryProperties::memoryTypeCount` - elements, defining external memory handle types of particular Vulkan memory type, - to be passed using `VkExportMemoryAllocateInfoKHR`. - - Any of the elements may be equal to 0, which means not to use `VkExportMemoryAllocateInfoKHR` on this memory type. - This is also the default in case of `pTypeExternalMemoryHandleTypes` = NULL. - */ - const VkExternalMemoryHandleTypeFlagsKHR* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryTypeCount") pTypeExternalMemoryHandleTypes; -#endif // #if VMA_EXTERNAL_MEMORY -} VmaAllocatorCreateInfo; - -/// Creates Allocator object. -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( - const VmaAllocatorCreateInfo* VMA_NOT_NULL pCreateInfo, - VmaAllocator VMA_NULLABLE * VMA_NOT_NULL pAllocator); - -/// Destroys allocator object. -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( - VmaAllocator VMA_NULLABLE allocator); - -/** \brief Information about existing #VmaAllocator object. -*/ -typedef struct VmaAllocatorInfo -{ - /** \brief Handle to Vulkan instance object. - - This is the same value as has been passed through VmaAllocatorCreateInfo::instance. - */ - VkInstance VMA_NOT_NULL instance; - /** \brief Handle to Vulkan physical device object. - - This is the same value as has been passed through VmaAllocatorCreateInfo::physicalDevice. - */ - VkPhysicalDevice VMA_NOT_NULL physicalDevice; - /** \brief Handle to Vulkan device object. - - This is the same value as has been passed through VmaAllocatorCreateInfo::device. - */ - VkDevice VMA_NOT_NULL device; -} VmaAllocatorInfo; - -/** \brief Returns information about existing #VmaAllocator object - handle to Vulkan device etc. - -It might be useful if you want to keep just the #VmaAllocator handle and fetch other required handles to -`VkPhysicalDevice`, `VkDevice` etc. every time using this function. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo(VmaAllocator VMA_NOT_NULL allocator, VmaAllocatorInfo* VMA_NOT_NULL pAllocatorInfo); - -/** -PhysicalDeviceProperties are fetched from physicalDevice by the allocator. -You can access it here, without fetching it again on your own. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( - VmaAllocator VMA_NOT_NULL allocator, - const VkPhysicalDeviceProperties* VMA_NULLABLE * VMA_NOT_NULL ppPhysicalDeviceProperties); - -/** -PhysicalDeviceMemoryProperties are fetched from physicalDevice by the allocator. -You can access it here, without fetching it again on your own. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( - VmaAllocator VMA_NOT_NULL allocator, - const VkPhysicalDeviceMemoryProperties* VMA_NULLABLE * VMA_NOT_NULL ppPhysicalDeviceMemoryProperties); - -/** -\brief Given Memory Type Index, returns Property Flags of this memory type. - -This is just a convenience function. Same information can be obtained using -vmaGetMemoryProperties(). -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t memoryTypeIndex, - VkMemoryPropertyFlags* VMA_NOT_NULL pFlags); - -/** \brief Sets index of the current frame. - -This function must be used if you make allocations with -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT and -#VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flags to inform the allocator -when a new frame begins. Allocations queried using vmaGetAllocationInfo() cannot -become lost in the current frame. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t frameIndex); - -/** \brief Calculated statistics of memory usage in entire allocator. -*/ -typedef struct VmaStatInfo -{ - /// Number of `VkDeviceMemory` Vulkan memory blocks allocated. - uint32_t blockCount; - /// Number of #VmaAllocation allocation objects allocated. - uint32_t allocationCount; - /// Number of free ranges of memory between allocations. - uint32_t unusedRangeCount; - /// Total number of bytes occupied by all allocations. - VkDeviceSize usedBytes; - /// Total number of bytes occupied by unused ranges. - VkDeviceSize unusedBytes; - VkDeviceSize allocationSizeMin, allocationSizeAvg, allocationSizeMax; - VkDeviceSize unusedRangeSizeMin, unusedRangeSizeAvg, unusedRangeSizeMax; -} VmaStatInfo; - -/// General statistics from current state of Allocator. -typedef struct VmaStats -{ - VmaStatInfo memoryType[VK_MAX_MEMORY_TYPES]; - VmaStatInfo memoryHeap[VK_MAX_MEMORY_HEAPS]; - VmaStatInfo total; -} VmaStats; - -/** \brief Retrieves statistics from current state of the Allocator. - -This function is called "calculate" not "get" because it has to traverse all -internal data structures, so it may be quite slow. For faster but more brief statistics -suitable to be called every frame or every allocation, use vmaGetBudget(). - -Note that when using allocator from multiple threads, returned information may immediately -become outdated. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( - VmaAllocator VMA_NOT_NULL allocator, - VmaStats* VMA_NOT_NULL pStats); - -/** \brief Statistics of current memory usage and available budget, in bytes, for specific memory heap. -*/ -typedef struct VmaBudget -{ - /** \brief Sum size of all `VkDeviceMemory` blocks allocated from particular heap, in bytes. - */ - VkDeviceSize blockBytes; - - /** \brief Sum size of all allocations created in particular heap, in bytes. - - Usually less or equal than `blockBytes`. - Difference `blockBytes - allocationBytes` is the amount of memory allocated but unused - - available for new allocations or wasted due to fragmentation. - - It might be greater than `blockBytes` if there are some allocations in lost state, as they account - to this value as well. - */ - VkDeviceSize allocationBytes; - - /** \brief Estimated current memory usage of the program, in bytes. - - Fetched from system using `VK_EXT_memory_budget` extension if enabled. - - It might be different than `blockBytes` (usually higher) due to additional implicit objects - also occupying the memory, like swapchain, pipelines, descriptor heaps, command buffers, or - `VkDeviceMemory` blocks allocated outside of this library, if any. - */ - VkDeviceSize usage; - - /** \brief Estimated amount of memory available to the program, in bytes. - - Fetched from system using `VK_EXT_memory_budget` extension if enabled. - - It might be different (most probably smaller) than `VkMemoryHeap::size[heapIndex]` due to factors - external to the program, like other programs also consuming system resources. - Difference `budget - usage` is the amount of additional memory that can probably - be allocated without problems. Exceeding the budget may result in various problems. - */ - VkDeviceSize budget; -} VmaBudget; - -/** \brief Retrieves information about current memory budget for all memory heaps. - -\param[out] pBudget Must point to array with number of elements at least equal to number of memory heaps in physical device used. - -This function is called "get" not "calculate" because it is very fast, suitable to be called -every frame or every allocation. For more detailed statistics use vmaCalculateStats(). - -Note that when using allocator from multiple threads, returned information may immediately -become outdated. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetBudget( - VmaAllocator VMA_NOT_NULL allocator, - VmaBudget* VMA_NOT_NULL pBudget); - -#ifndef VMA_STATS_STRING_ENABLED -#define VMA_STATS_STRING_ENABLED 1 -#endif - -#if VMA_STATS_STRING_ENABLED - -/// Builds and returns statistics as string in JSON format. -/** @param[out] ppStatsString Must be freed using vmaFreeStatsString() function. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( - VmaAllocator VMA_NOT_NULL allocator, - char* VMA_NULLABLE * VMA_NOT_NULL ppStatsString, - VkBool32 detailedMap); - -VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( - VmaAllocator VMA_NOT_NULL allocator, - char* VMA_NULLABLE pStatsString); - -#endif // #if VMA_STATS_STRING_ENABLED - -/** \struct VmaPool -\brief Represents custom memory pool - -Fill structure VmaPoolCreateInfo and call function vmaCreatePool() to create it. -Call function vmaDestroyPool() to destroy it. - -For more information see [Custom memory pools](@ref choosing_memory_type_custom_memory_pools). -*/ -VK_DEFINE_HANDLE(VmaPool) - -typedef enum VmaMemoryUsage -{ - /** No intended memory usage specified. - Use other members of VmaAllocationCreateInfo to specify your requirements. - */ - VMA_MEMORY_USAGE_UNKNOWN = 0, - /** Memory will be used on device only, so fast access from the device is preferred. - It usually means device-local GPU (video) memory. - No need to be mappable on host. - It is roughly equivalent of `D3D12_HEAP_TYPE_DEFAULT`. - - Usage: - - - Resources written and read by device, e.g. images used as attachments. - - Resources transferred from host once (immutable) or infrequently and read by - device multiple times, e.g. textures to be sampled, vertex buffers, uniform - (constant) buffers, and majority of other types of resources used on GPU. - - Allocation may still end up in `HOST_VISIBLE` memory on some implementations. - In such case, you are free to map it. - You can use #VMA_ALLOCATION_CREATE_MAPPED_BIT with this usage type. - */ - VMA_MEMORY_USAGE_GPU_ONLY = 1, - /** Memory will be mappable on host. - It usually means CPU (system) memory. - Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`. - CPU access is typically uncached. Writes may be write-combined. - Resources created in this pool may still be accessible to the device, but access to them can be slow. - It is roughly equivalent of `D3D12_HEAP_TYPE_UPLOAD`. - - Usage: Staging copy of resources used as transfer source. - */ - VMA_MEMORY_USAGE_CPU_ONLY = 2, - /** - Memory that is both mappable on host (guarantees to be `HOST_VISIBLE`) and preferably fast to access by GPU. - CPU access is typically uncached. Writes may be write-combined. - - Usage: Resources written frequently by host (dynamic), read by device. E.g. textures (with LINEAR layout), vertex buffers, uniform buffers updated every frame or every draw call. - */ - VMA_MEMORY_USAGE_CPU_TO_GPU = 3, - /** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached. - It is roughly equivalent of `D3D12_HEAP_TYPE_READBACK`. - - Usage: - - - Resources written by device, read by host - results of some computations, e.g. screen capture, average scene luminance for HDR tone mapping. - - Any resources read or accessed randomly on host, e.g. CPU-side copy of vertex buffer used as source of transfer, but also used for collision detection. - */ - VMA_MEMORY_USAGE_GPU_TO_CPU = 4, - /** CPU memory - memory that is preferably not `DEVICE_LOCAL`, but also not guaranteed to be `HOST_VISIBLE`. - - Usage: Staging copy of resources moved from GPU memory to CPU memory as part - of custom paging/residency mechanism, to be moved back to GPU memory when needed. - */ - VMA_MEMORY_USAGE_CPU_COPY = 5, - /** Lazily allocated GPU memory having `VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT`. - Exists mostly on mobile platforms. Using it on desktop PC or other GPUs with no such memory type present will fail the allocation. - - Usage: Memory for transient attachment images (color attachments, depth attachments etc.), created with `VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT`. - - Allocations with this usage are always created as dedicated - it implies #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. - */ - VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED = 6, - - VMA_MEMORY_USAGE_MAX_ENUM = 0x7FFFFFFF -} VmaMemoryUsage; - -/// Flags to be passed as VmaAllocationCreateInfo::flags. -typedef enum VmaAllocationCreateFlagBits { - /** \brief Set this flag if the allocation should have its own memory block. - - Use it for special, big resources, like fullscreen images used as attachments. - - You should not use this flag if VmaAllocationCreateInfo::pool is not null. - */ - VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT = 0x00000001, - - /** \brief Set this flag to only try to allocate from existing `VkDeviceMemory` blocks and never create new such block. - - If new allocation cannot be placed in any of the existing blocks, allocation - fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY` error. - - You should not use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT and - #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT at the same time. It makes no sense. - - If VmaAllocationCreateInfo::pool is not null, this flag is implied and ignored. */ - VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT = 0x00000002, - /** \brief Set this flag to use a memory that will be persistently mapped and retrieve pointer to it. - - Pointer to mapped memory will be returned through VmaAllocationInfo::pMappedData. - - It is valid to use this flag for allocation made from memory type that is not - `HOST_VISIBLE`. This flag is then ignored and memory is not mapped. This is - useful if you need an allocation that is efficient to use on GPU - (`DEVICE_LOCAL`) and still want to map it directly if possible on platforms that - support it (e.g. Intel GPU). - - You should not use this flag together with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT. - */ - VMA_ALLOCATION_CREATE_MAPPED_BIT = 0x00000004, - /** Allocation created with this flag can become lost as a result of another - allocation with #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag, so you - must check it before use. - - To check if allocation is not lost, call vmaGetAllocationInfo() and check if - VmaAllocationInfo::deviceMemory is not `VK_NULL_HANDLE`. - - For details about supporting lost allocations, see Lost Allocations - chapter of User Guide on Main Page. - - You should not use this flag together with #VMA_ALLOCATION_CREATE_MAPPED_BIT. - */ - VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT = 0x00000008, - /** While creating allocation using this flag, other allocations that were - created with flag #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT can become lost. - - For details about supporting lost allocations, see Lost Allocations - chapter of User Guide on Main Page. - */ - VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT = 0x00000010, - /** Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a - null-terminated string. Instead of copying pointer value, a local copy of the - string is made and stored in allocation's `pUserData`. The string is automatically - freed together with the allocation. It is also used in vmaBuildStatsString(). - */ - VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT = 0x00000020, - /** Allocation will be created from upper stack in a double stack pool. - - This flag is only allowed for custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT flag. - */ - VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = 0x00000040, - /** Create both buffer/image and allocation, but don't bind them together. - It is useful when you want to bind yourself to do some more advanced binding, e.g. using some extensions. - The flag is meaningful only with functions that bind by default: vmaCreateBuffer(), vmaCreateImage(). - Otherwise it is ignored. - */ - VMA_ALLOCATION_CREATE_DONT_BIND_BIT = 0x00000080, - /** Create allocation only if additional device memory required for it, if any, won't exceed - memory budget. Otherwise return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. - */ - VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT = 0x00000100, - - /** Allocation strategy that chooses smallest possible free range for the - allocation. - */ - VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = 0x00010000, - /** Allocation strategy that chooses biggest possible free range for the - allocation. - */ - VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT = 0x00020000, - /** Allocation strategy that chooses first suitable free range for the - allocation. - - "First" doesn't necessarily means the one with smallest offset in memory, - but rather the one that is easiest and fastest to find. - */ - VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = 0x00040000, - - /** Allocation strategy that tries to minimize memory usage. - */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT, - /** Allocation strategy that tries to minimize allocation time. - */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT, - /** Allocation strategy that tries to minimize memory fragmentation. - */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT, - - /** A bit mask to extract only `STRATEGY` bits from entire set of flags. - */ - VMA_ALLOCATION_CREATE_STRATEGY_MASK = - VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT | - VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT | - VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT, - - VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaAllocationCreateFlagBits; -typedef VkFlags VmaAllocationCreateFlags; - -typedef struct VmaAllocationCreateInfo -{ - /// Use #VmaAllocationCreateFlagBits enum. - VmaAllocationCreateFlags flags; - /** \brief Intended usage of memory. - - You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored. - */ - VmaMemoryUsage usage; - /** \brief Flags that must be set in a Memory Type chosen for an allocation. - - Leave 0 if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored.*/ - VkMemoryPropertyFlags requiredFlags; - /** \brief Flags that preferably should be set in a memory type chosen for an allocation. - - Set to 0 if no additional flags are preferred. \n - If `pool` is not null, this member is ignored. */ - VkMemoryPropertyFlags preferredFlags; - /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. - - Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if - it meets other requirements specified by this structure, with no further - restrictions on memory type index. \n - If `pool` is not null, this member is ignored. - */ - uint32_t memoryTypeBits; - /** \brief Pool that this allocation should be created in. - - Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: - `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. - */ - VmaPool VMA_NULLABLE pool; - /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). - - If #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is used, it must be either - null or pointer to a null-terminated string. The string will be then copied to - internal buffer, so it doesn't need to be valid after allocation call. - */ - void* VMA_NULLABLE pUserData; - /** \brief A floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. - - It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object - and this allocation ends up as dedicated or is explicitly forced as dedicated using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. - Otherwise, it has the priority of a memory block where it is placed and this variable is ignored. - */ - float priority; -} VmaAllocationCreateInfo; - -/** -\brief Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo. - -This algorithm tries to find a memory type that: - -- Is allowed by memoryTypeBits. -- Contains all the flags from pAllocationCreateInfo->requiredFlags. -- Matches intended usage. -- Has as many flags from pAllocationCreateInfo->preferredFlags as possible. - -\return Returns VK_ERROR_FEATURE_NOT_PRESENT if not found. Receiving such result -from this function or any other allocating function probably means that your -device doesn't support any memory type with requested features for the specific -type of resource you want to use it for. Please check parameters of your -resource, like image layout (OPTIMAL versus LINEAR) or mip level count. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t memoryTypeBits, - const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, - uint32_t* VMA_NOT_NULL pMemoryTypeIndex); - -/** -\brief Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo. - -It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. -It internally creates a temporary, dummy buffer that never has memory bound. -It is just a convenience function, equivalent to calling: - -- `vkCreateBuffer` -- `vkGetBufferMemoryRequirements` -- `vmaFindMemoryTypeIndex` -- `vkDestroyBuffer` -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( - VmaAllocator VMA_NOT_NULL allocator, - const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, - const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, - uint32_t* VMA_NOT_NULL pMemoryTypeIndex); - -/** -\brief Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo. - -It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. -It internally creates a temporary, dummy image that never has memory bound. -It is just a convenience function, equivalent to calling: - -- `vkCreateImage` -- `vkGetImageMemoryRequirements` -- `vmaFindMemoryTypeIndex` -- `vkDestroyImage` -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( - VmaAllocator VMA_NOT_NULL allocator, - const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, - const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, - uint32_t* VMA_NOT_NULL pMemoryTypeIndex); - -/// Flags to be passed as VmaPoolCreateInfo::flags. -typedef enum VmaPoolCreateFlagBits { - /** \brief Use this flag if you always allocate only buffers and linear images or only optimal images out of this pool and so Buffer-Image Granularity can be ignored. - - This is an optional optimization flag. - - If you always allocate using vmaCreateBuffer(), vmaCreateImage(), - vmaAllocateMemoryForBuffer(), then you don't need to use it because allocator - knows exact type of your allocations so it can handle Buffer-Image Granularity - in the optimal way. - - If you also allocate using vmaAllocateMemoryForImage() or vmaAllocateMemory(), - exact type of such allocations is not known, so allocator must be conservative - in handling Buffer-Image Granularity, which can lead to suboptimal allocation - (wasted memory). In that case, if you can make sure you always allocate only - buffers and linear images or only optimal images out of this pool, use this flag - to make allocator disregard Buffer-Image Granularity and so make allocations - faster and more optimal. - */ - VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT = 0x00000002, - - /** \brief Enables alternative, linear allocation algorithm in this pool. - - Specify this flag to enable linear allocation algorithm, which always creates - new allocations after last one and doesn't reuse space from allocations freed in - between. It trades memory consumption for simplified algorithm and data - structure, which has better performance and uses less memory for metadata. - - By using this flag, you can achieve behavior of free-at-once, stack, - ring buffer, and double stack. For details, see documentation chapter - \ref linear_algorithm. - - When using this flag, you must specify VmaPoolCreateInfo::maxBlockCount == 1 (or 0 for default). - - For more details, see [Linear allocation algorithm](@ref linear_algorithm). - */ - VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT = 0x00000004, - - /** \brief Enables alternative, buddy allocation algorithm in this pool. - - It operates on a tree of blocks, each having size that is a power of two and - a half of its parent's size. Comparing to default algorithm, this one provides - faster allocation and deallocation and decreased external fragmentation, - at the expense of more memory wasted (internal fragmentation). - - For more details, see [Buddy allocation algorithm](@ref buddy_algorithm). - */ - VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT = 0x00000008, - - /** Bit mask to extract only `ALGORITHM` bits from entire set of flags. - */ - VMA_POOL_CREATE_ALGORITHM_MASK = - VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT | - VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT, - - VMA_POOL_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaPoolCreateFlagBits; -typedef VkFlags VmaPoolCreateFlags; - -/** \brief Describes parameter of created #VmaPool. -*/ -typedef struct VmaPoolCreateInfo { - /** \brief Vulkan memory type index to allocate this pool from. - */ - uint32_t memoryTypeIndex; - /** \brief Use combination of #VmaPoolCreateFlagBits. - */ - VmaPoolCreateFlags flags; - /** \brief Size of a single `VkDeviceMemory` block to be allocated as part of this pool, in bytes. Optional. - - Specify nonzero to set explicit, constant size of memory blocks used by this - pool. - - Leave 0 to use default and let the library manage block sizes automatically. - Sizes of particular blocks may vary. - */ - VkDeviceSize blockSize; - /** \brief Minimum number of blocks to be always allocated in this pool, even if they stay empty. - - Set to 0 to have no preallocated blocks and allow the pool be completely empty. - */ - size_t minBlockCount; - /** \brief Maximum number of blocks that can be allocated in this pool. Optional. - - Set to 0 to use default, which is `SIZE_MAX`, which means no limit. - - Set to same value as VmaPoolCreateInfo::minBlockCount to have fixed amount of memory allocated - throughout whole lifetime of this pool. - */ - size_t maxBlockCount; - /** \brief Maximum number of additional frames that are in use at the same time as current frame. - - This value is used only when you make allocations with - #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocation cannot become - lost if allocation.lastUseFrameIndex >= allocator.currentFrameIndex - frameInUseCount. - - For example, if you double-buffer your command buffers, so resources used for - rendering in previous frame may still be in use by the GPU at the moment you - allocate resources needed for the current frame, set this value to 1. - - If you want to allow any allocations other than used in the current frame to - become lost, set this value to 0. - */ - uint32_t frameInUseCount; - /** \brief A floating-point value between 0 and 1, indicating the priority of the allocations in this pool relative to other memory allocations. - - It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object. - Otherwise, this variable is ignored. - */ - float priority; - /** \brief Additional minimum alignment to be used for all allocations created from this pool. Can be 0. - - Leave 0 (default) not to impose any additional alignment. If not 0, it must be a power of two. - It can be useful in cases where alignment returned by Vulkan by functions like `vkGetBufferMemoryRequirements` is not enough, - e.g. when doing interop with OpenGL. - */ - VkDeviceSize minAllocationAlignment; - /** \brief Additional `pNext` chain to be attached to `VkMemoryAllocateInfo` used for every allocation made by this pool. Optional. - - Optional, can be null. If not null, it must point to a `pNext` chain of structures that can be attached to `VkMemoryAllocateInfo`. - It can be useful for special needs such as adding `VkExportMemoryAllocateInfoKHR`. - Structures pointed by this member must remain alive and unchanged for the whole lifetime of the custom pool. - - Please note that some structures, e.g. `VkMemoryPriorityAllocateInfoEXT`, `VkMemoryDedicatedAllocateInfoKHR`, - can be attached automatically by this library when using other, more convenient of its features. - */ - void* VMA_NULLABLE pMemoryAllocateNext; -} VmaPoolCreateInfo; - -/** \brief Describes parameter of existing #VmaPool. -*/ -typedef struct VmaPoolStats { - /** \brief Total amount of `VkDeviceMemory` allocated from Vulkan for this pool, in bytes. - */ - VkDeviceSize size; - /** \brief Total number of bytes in the pool not used by any #VmaAllocation. - */ - VkDeviceSize unusedSize; - /** \brief Number of #VmaAllocation objects created from this pool that were not destroyed or lost. - */ - size_t allocationCount; - /** \brief Number of continuous memory ranges in the pool not used by any #VmaAllocation. - */ - size_t unusedRangeCount; - /** \brief Size of the largest continuous free memory region available for new allocation. - - Making a new allocation of that size is not guaranteed to succeed because of - possible additional margin required to respect alignment and buffer/image - granularity. - */ - VkDeviceSize unusedRangeSizeMax; - /** \brief Number of `VkDeviceMemory` blocks allocated for this pool. - */ - size_t blockCount; -} VmaPoolStats; - -/** \brief Allocates Vulkan device memory and creates #VmaPool object. - -@param allocator Allocator object. -@param pCreateInfo Parameters of pool to create. -@param[out] pPool Handle to created pool. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( - VmaAllocator VMA_NOT_NULL allocator, - const VmaPoolCreateInfo* VMA_NOT_NULL pCreateInfo, - VmaPool VMA_NULLABLE * VMA_NOT_NULL pPool); - -/** \brief Destroys #VmaPool object and frees Vulkan device memory. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( - VmaAllocator VMA_NOT_NULL allocator, - VmaPool VMA_NULLABLE pool); - -/** \brief Retrieves statistics of existing #VmaPool object. - -@param allocator Allocator object. -@param pool Pool object. -@param[out] pPoolStats Statistics of specified pool. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( - VmaAllocator VMA_NOT_NULL allocator, - VmaPool VMA_NOT_NULL pool, - VmaPoolStats* VMA_NOT_NULL pPoolStats); - -/** \brief Marks all allocations in given pool as lost if they are not used in current frame or VmaPoolCreateInfo::frameInUseCount back from now. - -@param allocator Allocator object. -@param pool Pool. -@param[out] pLostAllocationCount Number of allocations marked as lost. Optional - pass null if you don't need this information. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaMakePoolAllocationsLost( - VmaAllocator VMA_NOT_NULL allocator, - VmaPool VMA_NOT_NULL pool, - size_t* VMA_NULLABLE pLostAllocationCount); - -/** \brief Checks magic number in margins around all allocations in given memory pool in search for corruptions. - -Corruption detection is enabled only when `VMA_DEBUG_DETECT_CORRUPTION` macro is defined to nonzero, -`VMA_DEBUG_MARGIN` is defined to nonzero and the pool is created in memory type that is -`HOST_VISIBLE` and `HOST_COHERENT`. For more information, see [Corruption detection](@ref debugging_memory_usage_corruption_detection). - -Possible return values: - -- `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for specified pool. -- `VK_SUCCESS` - corruption detection has been performed and succeeded. -- `VK_ERROR_VALIDATION_FAILED_EXT` - corruption detection has been performed and found memory corruptions around one of the allocations. - `VMA_ASSERT` is also fired in that case. -- Other value: Error returned by Vulkan, e.g. memory mapping failure. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption(VmaAllocator VMA_NOT_NULL allocator, VmaPool VMA_NOT_NULL pool); - -/** \brief Retrieves name of a custom pool. - -After the call `ppName` is either null or points to an internally-owned null-terminated string -containing name of the pool that was previously set. The pointer becomes invalid when the pool is -destroyed or its name is changed using vmaSetPoolName(). -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( - VmaAllocator VMA_NOT_NULL allocator, - VmaPool VMA_NOT_NULL pool, - const char* VMA_NULLABLE * VMA_NOT_NULL ppName); - -/** \brief Sets name of a custom pool. - -`pName` can be either null or pointer to a null-terminated string with new name for the pool. -Function makes internal copy of the string, so it can be changed or freed immediately after this call. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( - VmaAllocator VMA_NOT_NULL allocator, - VmaPool VMA_NOT_NULL pool, - const char* VMA_NULLABLE pName); - -/** \struct VmaAllocation -\brief Represents single memory allocation. - -It may be either dedicated block of `VkDeviceMemory` or a specific region of a bigger block of this type -plus unique offset. - -There are multiple ways to create such object. -You need to fill structure VmaAllocationCreateInfo. -For more information see [Choosing memory type](@ref choosing_memory_type). - -Although the library provides convenience functions that create Vulkan buffer or image, -allocate memory for it and bind them together, -binding of the allocation to a buffer or an image is out of scope of the allocation itself. -Allocation object can exist without buffer/image bound, -binding can be done manually by the user, and destruction of it can be done -independently of destruction of the allocation. - -The object also remembers its size and some other information. -To retrieve this information, use function vmaGetAllocationInfo() and inspect -returned structure VmaAllocationInfo. - -Some kinds allocations can be in lost state. -For more information, see [Lost allocations](@ref lost_allocations). -*/ -VK_DEFINE_HANDLE(VmaAllocation) - -/** \brief Parameters of #VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo(). -*/ -typedef struct VmaAllocationInfo { - /** \brief Memory type index that this allocation was allocated from. - - It never changes. - */ - uint32_t memoryType; - /** \brief Handle to Vulkan memory object. - - Same memory object can be shared by multiple allocations. - - It can change after call to vmaDefragment() if this allocation is passed to the function, or if allocation is lost. - - If the allocation is lost, it is equal to `VK_NULL_HANDLE`. - */ - VkDeviceMemory VMA_NULLABLE_NON_DISPATCHABLE deviceMemory; - /** \brief Offset in `VkDeviceMemory` object to the beginning of this allocation, in bytes. `(deviceMemory, offset)` pair is unique to this allocation. - - You usually don't need to use this offset. If you create a buffer or an image together with the allocation using e.g. function - vmaCreateBuffer(), vmaCreateImage(), functions that operate on these resources refer to the beginning of the buffer or image, - not entire device memory block. Functions like vmaMapMemory(), vmaBindBufferMemory() also refer to the beginning of the allocation - and apply this offset automatically. - - It can change after call to vmaDefragment() if this allocation is passed to the function, or if allocation is lost. - */ - VkDeviceSize offset; - /** \brief Size of this allocation, in bytes. - - It never changes, unless allocation is lost. - - \note Allocation size returned in this variable may be greater than the size - requested for the resource e.g. as `VkBufferCreateInfo::size`. Whole size of the - allocation is accessible for operations on memory e.g. using a pointer after - mapping with vmaMapMemory(), but operations on the resource e.g. using - `vkCmdCopyBuffer` must be limited to the size of the resource. - */ - VkDeviceSize size; - /** \brief Pointer to the beginning of this allocation as mapped data. - - If the allocation hasn't been mapped using vmaMapMemory() and hasn't been - created with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag, this value is null. - - It can change after call to vmaMapMemory(), vmaUnmapMemory(). - It can also change after call to vmaDefragment() if this allocation is passed to the function. - */ - void* VMA_NULLABLE pMappedData; - /** \brief Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vmaSetAllocationUserData(). - - It can change after call to vmaSetAllocationUserData() for this allocation. - */ - void* VMA_NULLABLE pUserData; -} VmaAllocationInfo; - -/** \brief General purpose memory allocation. - -@param[out] pAllocation Handle to allocated memory. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). - -You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). - -It is recommended to use vmaAllocateMemoryForBuffer(), vmaAllocateMemoryForImage(), -vmaCreateBuffer(), vmaCreateImage() instead whenever possible. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( - VmaAllocator VMA_NOT_NULL allocator, - const VkMemoryRequirements* VMA_NOT_NULL pVkMemoryRequirements, - const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation, - VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); - -/** \brief General purpose memory allocation for multiple allocation objects at once. - -@param allocator Allocator object. -@param pVkMemoryRequirements Memory requirements for each allocation. -@param pCreateInfo Creation parameters for each alloction. -@param allocationCount Number of allocations to make. -@param[out] pAllocations Pointer to array that will be filled with handles to created allocations. -@param[out] pAllocationInfo Optional. Pointer to array that will be filled with parameters of created allocations. - -You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). - -Word "pages" is just a suggestion to use this function to allocate pieces of memory needed for sparse binding. -It is just a general purpose allocation function able to make multiple allocations at once. -It may be internally optimized to be more efficient than calling vmaAllocateMemory() `allocationCount` times. - -All allocations are made using same parameters. All of them are created out of the same memory pool and type. -If any allocation fails, all allocations already made within this function call are also freed, so that when -returned result is not `VK_SUCCESS`, `pAllocation` array is always entirely filled with `VK_NULL_HANDLE`. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( - VmaAllocator VMA_NOT_NULL allocator, - const VkMemoryRequirements* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pVkMemoryRequirements, - const VmaAllocationCreateInfo* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pCreateInfo, - size_t allocationCount, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations, - VmaAllocationInfo* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationInfo); - -/** -@param[out] pAllocation Handle to allocated memory. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). - -You should free the memory using vmaFreeMemory(). -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( - VmaAllocator VMA_NOT_NULL allocator, - VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, - const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation, - VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); - -/// Function similar to vmaAllocateMemoryForBuffer(). -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( - VmaAllocator VMA_NOT_NULL allocator, - VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, - const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation, - VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); - -/** \brief Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(), or vmaAllocateMemoryForImage(). - -Passing `VK_NULL_HANDLE` as `allocation` is valid. Such function call is just skipped. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( - VmaAllocator VMA_NOT_NULL allocator, - const VmaAllocation VMA_NULLABLE allocation); - -/** \brief Frees memory and destroys multiple allocations. - -Word "pages" is just a suggestion to use this function to free pieces of memory used for sparse binding. -It is just a general purpose function to free memory and destroy allocations made using e.g. vmaAllocateMemory(), -vmaAllocateMemoryPages() and other functions. -It may be internally optimized to be more efficient than calling vmaFreeMemory() `allocationCount` times. - -Allocations in `pAllocations` array can come from any memory pools and types. -Passing `VK_NULL_HANDLE` as elements of `pAllocations` array is valid. Such entries are just skipped. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( - VmaAllocator VMA_NOT_NULL allocator, - size_t allocationCount, - const VmaAllocation VMA_NULLABLE * VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations); - -/** \brief Returns current information about specified allocation and atomically marks it as used in current frame. - -Current paramteres of given allocation are returned in `pAllocationInfo`. - -This function also atomically "touches" allocation - marks it as used in current frame, -just like vmaTouchAllocation(). -If the allocation is in lost state, `pAllocationInfo->deviceMemory == VK_NULL_HANDLE`. - -Although this function uses atomics and doesn't lock any mutex, so it should be quite efficient, -you can avoid calling it too often. - -- You can retrieve same VmaAllocationInfo structure while creating your resource, from function - vmaCreateBuffer(), vmaCreateImage(). You can remember it if you are sure parameters don't change - (e.g. due to defragmentation or allocation becoming lost). -- If you just want to check if allocation is not lost, vmaTouchAllocation() will work faster. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VmaAllocationInfo* VMA_NOT_NULL pAllocationInfo); - -/** \brief Returns `VK_TRUE` if allocation is not lost and atomically marks it as used in current frame. - -If the allocation has been created with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -this function returns `VK_TRUE` if it's not in lost state, so it can still be used. -It then also atomically "touches" the allocation - marks it as used in current frame, -so that you can be sure it won't become lost in current frame or next `frameInUseCount` frames. - -If the allocation is in lost state, the function returns `VK_FALSE`. -Memory of such allocation, as well as buffer or image bound to it, should not be used. -Lost allocation and the buffer/image still need to be destroyed. - -If the allocation has been created without #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -this function always returns `VK_TRUE`. -*/ -VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaTouchAllocation( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation); - -/** \brief Sets pUserData in given allocation to new value. - -If the allocation was created with VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT, -pUserData must be either null, or pointer to a null-terminated string. The function -makes local copy of the string and sets it as allocation's `pUserData`. String -passed as pUserData doesn't need to be valid for whole lifetime of the allocation - -you can free it after this call. String previously pointed by allocation's -pUserData is freed from memory. - -If the flag was not used, the value of pointer `pUserData` is just copied to -allocation's `pUserData`. It is opaque, so you can use it however you want - e.g. -as a pointer, ordinal number or some handle to you own data. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - void* VMA_NULLABLE pUserData); - -/** \brief Creates new allocation that is in lost state from the beginning. - -It can be useful if you need a dummy, non-null allocation. - -You still need to destroy created object using vmaFreeMemory(). - -Returned allocation is not tied to any specific memory pool or memory type and -not bound to any image or buffer. It has size = 0. It cannot be turned into -a real, non-empty allocation. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaCreateLostAllocation( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation); - -/** \brief Maps memory represented by given allocation and returns pointer to it. - -Maps memory represented by given allocation to make it accessible to CPU code. -When succeeded, `*ppData` contains pointer to first byte of this memory. -If the allocation is part of bigger `VkDeviceMemory` block, the pointer is -correctly offsetted to the beginning of region assigned to this particular -allocation. - -Mapping is internally reference-counted and synchronized, so despite raw Vulkan -function `vkMapMemory()` cannot be used to map same block of `VkDeviceMemory` -multiple times simultaneously, it is safe to call this function on allocations -assigned to the same memory block. Actual Vulkan memory will be mapped on first -mapping and unmapped on last unmapping. - -If the function succeeded, you must call vmaUnmapMemory() to unmap the -allocation when mapping is no longer needed or before freeing the allocation, at -the latest. - -It also safe to call this function multiple times on the same allocation. You -must call vmaUnmapMemory() same number of times as you called vmaMapMemory(). - -It is also safe to call this function on allocation created with -#VMA_ALLOCATION_CREATE_MAPPED_BIT flag. Its memory stays mapped all the time. -You must still call vmaUnmapMemory() same number of times as you called -vmaMapMemory(). You must not call vmaUnmapMemory() additional time to free the -"0-th" mapping made automatically due to #VMA_ALLOCATION_CREATE_MAPPED_BIT flag. - -This function fails when used on allocation made in memory type that is not -`HOST_VISIBLE`. - -This function always fails when called for allocation that was created with -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocations cannot be -mapped. - -This function doesn't automatically flush or invalidate caches. -If the allocation is made from a memory types that is not `HOST_COHERENT`, -you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - void* VMA_NULLABLE * VMA_NOT_NULL ppData); - -/** \brief Unmaps memory represented by given allocation, mapped previously using vmaMapMemory(). - -For details, see description of vmaMapMemory(). - -This function doesn't automatically flush or invalidate caches. -If the allocation is made from a memory types that is not `HOST_COHERENT`, -you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation); - -/** \brief Flushes memory of given allocation. - -Calls `vkFlushMappedMemoryRanges()` for memory associated with given range of given allocation. -It needs to be called after writing to a mapped memory for memory types that are not `HOST_COHERENT`. -Unmap operation doesn't do that automatically. - -- `offset` must be relative to the beginning of allocation. -- `size` can be `VK_WHOLE_SIZE`. It means all memory from `offset` the the end of given allocation. -- `offset` and `size` don't have to be aligned. - They are internally rounded down/up to multiply of `nonCoherentAtomSize`. -- If `size` is 0, this call is ignored. -- If memory type that the `allocation` belongs to is not `HOST_VISIBLE` or it is `HOST_COHERENT`, - this call is ignored. - -Warning! `offset` and `size` are relative to the contents of given `allocation`. -If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. -Do not pass allocation's offset as `offset`!!! - -This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is -called, otherwise `VK_SUCCESS`. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkDeviceSize offset, - VkDeviceSize size); - -/** \brief Invalidates memory of given allocation. - -Calls `vkInvalidateMappedMemoryRanges()` for memory associated with given range of given allocation. -It needs to be called before reading from a mapped memory for memory types that are not `HOST_COHERENT`. -Map operation doesn't do that automatically. - -- `offset` must be relative to the beginning of allocation. -- `size` can be `VK_WHOLE_SIZE`. It means all memory from `offset` the the end of given allocation. -- `offset` and `size` don't have to be aligned. - They are internally rounded down/up to multiply of `nonCoherentAtomSize`. -- If `size` is 0, this call is ignored. -- If memory type that the `allocation` belongs to is not `HOST_VISIBLE` or it is `HOST_COHERENT`, - this call is ignored. - -Warning! `offset` and `size` are relative to the contents of given `allocation`. -If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. -Do not pass allocation's offset as `offset`!!! - -This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if -it is called, otherwise `VK_SUCCESS`. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkDeviceSize offset, - VkDeviceSize size); - -/** \brief Flushes memory of given set of allocations. - -Calls `vkFlushMappedMemoryRanges()` for memory associated with given ranges of given allocations. -For more information, see documentation of vmaFlushAllocation(). - -\param allocator -\param allocationCount -\param allocations -\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. -\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. - -This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is -called, otherwise `VK_SUCCESS`. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t allocationCount, - const VmaAllocation VMA_NOT_NULL * VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, - const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, - const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); - -/** \brief Invalidates memory of given set of allocations. - -Calls `vkInvalidateMappedMemoryRanges()` for memory associated with given ranges of given allocations. -For more information, see documentation of vmaInvalidateAllocation(). - -\param allocator -\param allocationCount -\param allocations -\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. -\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. - -This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if it is -called, otherwise `VK_SUCCESS`. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( - VmaAllocator VMA_NOT_NULL allocator, - uint32_t allocationCount, - const VmaAllocation VMA_NOT_NULL * VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, - const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, - const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); - -/** \brief Checks magic number in margins around all allocations in given memory types (in both default and custom pools) in search for corruptions. - -@param memoryTypeBits Bit mask, where each bit set means that a memory type with that index should be checked. - -Corruption detection is enabled only when `VMA_DEBUG_DETECT_CORRUPTION` macro is defined to nonzero, -`VMA_DEBUG_MARGIN` is defined to nonzero and only for memory types that are -`HOST_VISIBLE` and `HOST_COHERENT`. For more information, see [Corruption detection](@ref debugging_memory_usage_corruption_detection). - -Possible return values: - -- `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for any of specified memory types. -- `VK_SUCCESS` - corruption detection has been performed and succeeded. -- `VK_ERROR_VALIDATION_FAILED_EXT` - corruption detection has been performed and found memory corruptions around one of the allocations. - `VMA_ASSERT` is also fired in that case. -- Other value: Error returned by Vulkan, e.g. memory mapping failure. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption(VmaAllocator VMA_NOT_NULL allocator, uint32_t memoryTypeBits); - -/** \struct VmaDefragmentationContext -\brief Represents Opaque object that represents started defragmentation process. - -Fill structure #VmaDefragmentationInfo2 and call function vmaDefragmentationBegin() to create it. -Call function vmaDefragmentationEnd() to destroy it. -*/ -VK_DEFINE_HANDLE(VmaDefragmentationContext) - -/// Flags to be used in vmaDefragmentationBegin(). None at the moment. Reserved for future use. -typedef enum VmaDefragmentationFlagBits { - VMA_DEFRAGMENTATION_FLAG_INCREMENTAL = 0x1, - VMA_DEFRAGMENTATION_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaDefragmentationFlagBits; -typedef VkFlags VmaDefragmentationFlags; - -/** \brief Parameters for defragmentation. - -To be used with function vmaDefragmentationBegin(). -*/ -typedef struct VmaDefragmentationInfo2 { - /** \brief Reserved for future use. Should be 0. - */ - VmaDefragmentationFlags flags; - /** \brief Number of allocations in `pAllocations` array. - */ - uint32_t allocationCount; - /** \brief Pointer to array of allocations that can be defragmented. - - The array should have `allocationCount` elements. - The array should not contain nulls. - Elements in the array should be unique - same allocation cannot occur twice. - It is safe to pass allocations that are in the lost state - they are ignored. - All allocations not present in this array are considered non-moveable during this defragmentation. - */ - const VmaAllocation VMA_NOT_NULL * VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations; - /** \brief Optional, output. Pointer to array that will be filled with information whether the allocation at certain index has been changed during defragmentation. - - The array should have `allocationCount` elements. - You can pass null if you are not interested in this information. - */ - VkBool32* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationsChanged; - /** \brief Numer of pools in `pPools` array. - */ - uint32_t poolCount; - /** \brief Either null or pointer to array of pools to be defragmented. - - All the allocations in the specified pools can be moved during defragmentation - and there is no way to check if they were really moved as in `pAllocationsChanged`, - so you must query all the allocations in all these pools for new `VkDeviceMemory` - and offset using vmaGetAllocationInfo() if you might need to recreate buffers - and images bound to them. - - The array should have `poolCount` elements. - The array should not contain nulls. - Elements in the array should be unique - same pool cannot occur twice. - - Using this array is equivalent to specifying all allocations from the pools in `pAllocations`. - It might be more efficient. - */ - const VmaPool VMA_NOT_NULL * VMA_NULLABLE VMA_LEN_IF_NOT_NULL(poolCount) pPools; - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on CPU side, like `memcpy()`, `memmove()`. - - `VK_WHOLE_SIZE` means no limit. - */ - VkDeviceSize maxCpuBytesToMove; - /** \brief Maximum number of allocations that can be moved to a different place using transfers on CPU side, like `memcpy()`, `memmove()`. - - `UINT32_MAX` means no limit. - */ - uint32_t maxCpuAllocationsToMove; - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on GPU side, posted to `commandBuffer`. - - `VK_WHOLE_SIZE` means no limit. - */ - VkDeviceSize maxGpuBytesToMove; - /** \brief Maximum number of allocations that can be moved to a different place using transfers on GPU side, posted to `commandBuffer`. - - `UINT32_MAX` means no limit. - */ - uint32_t maxGpuAllocationsToMove; - /** \brief Optional. Command buffer where GPU copy commands will be posted. - - If not null, it must be a valid command buffer handle that supports Transfer queue type. - It must be in the recording state and outside of a render pass instance. - You need to submit it and make sure it finished execution before calling vmaDefragmentationEnd(). - - Passing null means that only CPU defragmentation will be performed. - */ - VkCommandBuffer VMA_NULLABLE commandBuffer; -} VmaDefragmentationInfo2; - -typedef struct VmaDefragmentationPassMoveInfo { - VmaAllocation VMA_NOT_NULL allocation; - VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory; - VkDeviceSize offset; -} VmaDefragmentationPassMoveInfo; - -/** \brief Parameters for incremental defragmentation steps. - -To be used with function vmaBeginDefragmentationPass(). -*/ -typedef struct VmaDefragmentationPassInfo { - uint32_t moveCount; - VmaDefragmentationPassMoveInfo* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(moveCount) pMoves; -} VmaDefragmentationPassInfo; - -/** \brief Deprecated. Optional configuration parameters to be passed to function vmaDefragment(). - -\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. -*/ -typedef struct VmaDefragmentationInfo { - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places. - - Default is `VK_WHOLE_SIZE`, which means no limit. - */ - VkDeviceSize maxBytesToMove; - /** \brief Maximum number of allocations that can be moved to different place. - - Default is `UINT32_MAX`, which means no limit. - */ - uint32_t maxAllocationsToMove; -} VmaDefragmentationInfo; - -/** \brief Statistics returned by function vmaDefragment(). */ -typedef struct VmaDefragmentationStats { - /// Total number of bytes that have been copied while moving allocations to different places. - VkDeviceSize bytesMoved; - /// Total number of bytes that have been released to the system by freeing empty `VkDeviceMemory` objects. - VkDeviceSize bytesFreed; - /// Number of allocations that have been moved to different places. - uint32_t allocationsMoved; - /// Number of empty `VkDeviceMemory` objects that have been released to the system. - uint32_t deviceMemoryBlocksFreed; -} VmaDefragmentationStats; - -/** \brief Begins defragmentation process. - -@param allocator Allocator object. -@param pInfo Structure filled with parameters of defragmentation. -@param[out] pStats Optional. Statistics of defragmentation. You can pass null if you are not interested in this information. -@param[out] pContext Context object that must be passed to vmaDefragmentationEnd() to finish defragmentation. -@return `VK_SUCCESS` and `*pContext == null` if defragmentation finished within this function call. `VK_NOT_READY` and `*pContext != null` if defragmentation has been started and you need to call vmaDefragmentationEnd() to finish it. Negative value in case of error. - -Use this function instead of old, deprecated vmaDefragment(). - -Warning! Between the call to vmaDefragmentationBegin() and vmaDefragmentationEnd(): - -- You should not use any of allocations passed as `pInfo->pAllocations` or - any allocations that belong to pools passed as `pInfo->pPools`, - including calling vmaGetAllocationInfo(), vmaTouchAllocation(), or access - their data. -- Some mutexes protecting internal data structures may be locked, so trying to - make or free any allocations, bind buffers or images, map memory, or launch - another simultaneous defragmentation in between may cause stall (when done on - another thread) or deadlock (when done on the same thread), unless you are - 100% sure that defragmented allocations are in different pools. -- Information returned via `pStats` and `pInfo->pAllocationsChanged` are undefined. - They become valid after call to vmaDefragmentationEnd(). -- If `pInfo->commandBuffer` is not null, you must submit that command buffer - and make sure it finished execution before calling vmaDefragmentationEnd(). - -For more information and important limitations regarding defragmentation, see documentation chapter: -[Defragmentation](@ref defragmentation). -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( - VmaAllocator VMA_NOT_NULL allocator, - const VmaDefragmentationInfo2* VMA_NOT_NULL pInfo, - VmaDefragmentationStats* VMA_NULLABLE pStats, - VmaDefragmentationContext VMA_NULLABLE * VMA_NOT_NULL pContext); - -/** \brief Ends defragmentation process. - -Use this function to finish defragmentation started by vmaDefragmentationBegin(). -It is safe to pass `context == null`. The function then does nothing. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( - VmaAllocator VMA_NOT_NULL allocator, - VmaDefragmentationContext VMA_NULLABLE context); - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( - VmaAllocator VMA_NOT_NULL allocator, - VmaDefragmentationContext VMA_NULLABLE context, - VmaDefragmentationPassInfo* VMA_NOT_NULL pInfo -); -VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( - VmaAllocator VMA_NOT_NULL allocator, - VmaDefragmentationContext VMA_NULLABLE context -); - -/** \brief Deprecated. Compacts memory by moving allocations. - -@param pAllocations Array of allocations that can be moved during this compation. -@param allocationCount Number of elements in pAllocations and pAllocationsChanged arrays. -@param[out] pAllocationsChanged Array of boolean values that will indicate whether matching allocation in pAllocations array has been moved. This parameter is optional. Pass null if you don't need this information. -@param pDefragmentationInfo Configuration parameters. Optional - pass null to use default values. -@param[out] pDefragmentationStats Statistics returned by the function. Optional - pass null if you don't need this information. -@return `VK_SUCCESS` if completed, negative error code in case of error. - -\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. - -This function works by moving allocations to different places (different -`VkDeviceMemory` objects and/or different offsets) in order to optimize memory -usage. Only allocations that are in `pAllocations` array can be moved. All other -allocations are considered nonmovable in this call. Basic rules: - -- Only allocations made in memory types that have - `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` and `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT` - flags can be compacted. You may pass other allocations but it makes no sense - - these will never be moved. -- Custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT or - #VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT flag are not defragmented. Allocations - passed to this function that come from such pools are ignored. -- Allocations created with #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT or - created as dedicated allocations for any other reason are also ignored. -- Both allocations made with or without #VMA_ALLOCATION_CREATE_MAPPED_BIT - flag can be compacted. If not persistently mapped, memory will be mapped - temporarily inside this function if needed. -- You must not pass same #VmaAllocation object multiple times in `pAllocations` array. - -The function also frees empty `VkDeviceMemory` blocks. - -Warning: This function may be time-consuming, so you shouldn't call it too often -(like after every resource creation/destruction). -You can call it on special occasions (like when reloading a game level or -when you just destroyed a lot of objects). Calling it every frame may be OK, but -you should measure that on your platform. - -For more information, see [Defragmentation](@ref defragmentation) chapter. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( - VmaAllocator VMA_NOT_NULL allocator, - const VmaAllocation VMA_NOT_NULL * VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations, - size_t allocationCount, - VkBool32* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationsChanged, - const VmaDefragmentationInfo* VMA_NULLABLE pDefragmentationInfo, - VmaDefragmentationStats* VMA_NULLABLE pDefragmentationStats); - -/** \brief Binds buffer to allocation. - -Binds specified buffer to region of memory represented by specified allocation. -Gets `VkDeviceMemory` handle and offset from the allocation. -If you want to create a buffer, allocate memory for it and bind them together separately, -you should use this function for binding instead of standard `vkBindBufferMemory()`, -because it ensures proper synchronization so that when a `VkDeviceMemory` object is used by multiple -allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from multiple threads simultaneously -(which is illegal in Vulkan). - -It is recommended to use function vmaCreateBuffer() instead of this one. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer); - -/** \brief Binds buffer to allocation with additional parameters. - -@param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. -@param pNext A chain of structures to be attached to `VkBindBufferMemoryInfoKHR` structure used internally. Normally it should be null. - -This function is similar to vmaBindBufferMemory(), but it provides additional parameters. - -If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag -or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory2( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkDeviceSize allocationLocalOffset, - VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, - const void* VMA_NULLABLE pNext); - -/** \brief Binds image to allocation. - -Binds specified image to region of memory represented by specified allocation. -Gets `VkDeviceMemory` handle and offset from the allocation. -If you want to create an image, allocate memory for it and bind them together separately, -you should use this function for binding instead of standard `vkBindImageMemory()`, -because it ensures proper synchronization so that when a `VkDeviceMemory` object is used by multiple -allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from multiple threads simultaneously -(which is illegal in Vulkan). - -It is recommended to use function vmaCreateImage() instead of this one. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkImage VMA_NOT_NULL_NON_DISPATCHABLE image); - -/** \brief Binds image to allocation with additional parameters. - -@param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. -@param pNext A chain of structures to be attached to `VkBindImageMemoryInfoKHR` structure used internally. Normally it should be null. - -This function is similar to vmaBindImageMemory(), but it provides additional parameters. - -If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag -or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory2( - VmaAllocator VMA_NOT_NULL allocator, - VmaAllocation VMA_NOT_NULL allocation, - VkDeviceSize allocationLocalOffset, - VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, - const void* VMA_NULLABLE pNext); - -/** -@param[out] pBuffer Buffer that was created. -@param[out] pAllocation Allocation that was created. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). - -This function automatically: - --# Creates buffer. --# Allocates appropriate memory for it. --# Binds the buffer with the memory. - -If any of these operations fail, buffer and allocation are not created, -returned value is negative error code, *pBuffer and *pAllocation are null. - -If the function succeeded, you must destroy both buffer and allocation when you -no longer need them using either convenience function vmaDestroyBuffer() or -separately, using `vkDestroyBuffer()` and vmaFreeMemory(). - -If #VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag was used, -VK_KHR_dedicated_allocation extension is used internally to query driver whether -it requires or prefers the new buffer to have dedicated allocation. If yes, -and if dedicated allocation is possible (VmaAllocationCreateInfo::pool is null -and #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT is not used), it creates dedicated -allocation for this buffer, just like when using -#VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. - -\note This function creates a new `VkBuffer`. Sub-allocation of parts of one large buffer, -although recommended as a good practice, is out of scope of this library and could be implemented -by the user as a higher-level logic on top of VMA. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( - VmaAllocator VMA_NOT_NULL allocator, - const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, - const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, - VkBuffer VMA_NULLABLE_NON_DISPATCHABLE * VMA_NOT_NULL pBuffer, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation, - VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); - -/** \brief Destroys Vulkan buffer and frees allocated memory. - -This is just a convenience function equivalent to: - -\code -vkDestroyBuffer(device, buffer, allocationCallbacks); -vmaFreeMemory(allocator, allocation); -\endcode - -It it safe to pass null as buffer and/or allocation. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( - VmaAllocator VMA_NOT_NULL allocator, - VkBuffer VMA_NULLABLE_NON_DISPATCHABLE buffer, - VmaAllocation VMA_NULLABLE allocation); - -/// Function similar to vmaCreateBuffer(). -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( - VmaAllocator VMA_NOT_NULL allocator, - const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, - const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, - VkImage VMA_NULLABLE_NON_DISPATCHABLE * VMA_NOT_NULL pImage, - VmaAllocation VMA_NULLABLE * VMA_NOT_NULL pAllocation, - VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); - -/** \brief Destroys Vulkan image and frees allocated memory. - -This is just a convenience function equivalent to: - -\code -vkDestroyImage(device, image, allocationCallbacks); -vmaFreeMemory(allocator, allocation); -\endcode - -It it safe to pass null as image and/or allocation. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( - VmaAllocator VMA_NOT_NULL allocator, - VkImage VMA_NULLABLE_NON_DISPATCHABLE image, - VmaAllocation VMA_NULLABLE allocation); - -#ifdef __cplusplus -} -#endif - -#endif // AMD_VULKAN_MEMORY_ALLOCATOR_H - -// For Visual Studio IntelliSense. -#if defined(__cplusplus) && defined(__INTELLISENSE__) -#define VMA_IMPLEMENTATION -#endif - -#ifdef VMA_IMPLEMENTATION -#undef VMA_IMPLEMENTATION - -#include -#include -#include -#include - -#if VMA_RECORDING_ENABLED - #include - #if defined(_WIN32) - #include - #else - #include - #include - #endif -#endif - -/******************************************************************************* -CONFIGURATION SECTION - -Define some of these macros before each #include of this header or change them -here if you need other then default behavior depending on your environment. -*/ - -/* -Define this macro to 1 to make the library fetch pointers to Vulkan functions -internally, like: - - vulkanFunctions.vkAllocateMemory = &vkAllocateMemory; -*/ -#if !defined(VMA_STATIC_VULKAN_FUNCTIONS) && !defined(VK_NO_PROTOTYPES) - #define VMA_STATIC_VULKAN_FUNCTIONS 1 -#endif - -/* -Define this macro to 1 to make the library fetch pointers to Vulkan functions -internally, like: - - vulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkGetDeviceProcAddr(m_hDevice, vkAllocateMemory); -*/ -#if !defined(VMA_DYNAMIC_VULKAN_FUNCTIONS) - #define VMA_DYNAMIC_VULKAN_FUNCTIONS 1 - #if defined(VK_NO_PROTOTYPES) - extern PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr; - extern PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr; - #endif -#endif - -// Define this macro to 1 to make the library use STL containers instead of its own implementation. -//#define VMA_USE_STL_CONTAINERS 1 - -/* Set this macro to 1 to make the library including and using STL containers: -std::pair, std::vector, std::list, std::unordered_map. - -Set it to 0 or undefined to make the library using its own implementation of -the containers. -*/ -#if VMA_USE_STL_CONTAINERS - #define VMA_USE_STL_VECTOR 1 - #define VMA_USE_STL_UNORDERED_MAP 1 - #define VMA_USE_STL_LIST 1 -#endif - -#ifndef VMA_USE_STL_SHARED_MUTEX - // Compiler conforms to C++17. - #if __cplusplus >= 201703L - #define VMA_USE_STL_SHARED_MUTEX 1 - // Visual studio defines __cplusplus properly only when passed additional parameter: /Zc:__cplusplus - // Otherwise it's always 199711L, despite shared_mutex works since Visual Studio 2015 Update 2. - // See: https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/ - #elif defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918 && __cplusplus == 199711L && _MSVC_LANG >= 201703L - #define VMA_USE_STL_SHARED_MUTEX 1 - #else - #define VMA_USE_STL_SHARED_MUTEX 0 - #endif -#endif - -/* -THESE INCLUDES ARE NOT ENABLED BY DEFAULT. -Library has its own container implementation. -*/ -#if VMA_USE_STL_VECTOR - #include -#endif - -#if VMA_USE_STL_UNORDERED_MAP - #include -#endif - -#if VMA_USE_STL_LIST - #include -#endif - -/* -Following headers are used in this CONFIGURATION section only, so feel free to -remove them if not needed. -*/ -#include // for assert -#include // for min, max -#include - -#ifndef VMA_NULL - // Value used as null pointer. Define it to e.g.: nullptr, NULL, 0, (void*)0. - #define VMA_NULL nullptr -#endif - -#if defined(__ANDROID_API__) && (__ANDROID_API__ < 16) -#include -static void* vma_aligned_alloc(size_t alignment, size_t size) -{ - // alignment must be >= sizeof(void*) - if(alignment < sizeof(void*)) - { - alignment = sizeof(void*); - } - - return memalign(alignment, size); -} -#elif defined(__APPLE__) || defined(__ANDROID__) || (defined(__linux__) && defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)) -#include - -#if defined(__APPLE__) -#include -#endif - -static void* vma_aligned_alloc(size_t alignment, size_t size) -{ -#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0)) -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0 - // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only - // with the MacOSX11.0 SDK in Xcode 12 (which is what adds - // MAC_OS_X_VERSION_10_16), even though the function is marked - // availabe for 10.15. That's why the preprocessor checks for 10.16 but - // the __builtin_available checks for 10.15. - // People who use C++17 could call aligned_alloc with the 10.15 SDK already. - if (__builtin_available(macOS 10.15, iOS 13, *)) - return aligned_alloc(alignment, size); -#endif -#endif - // alignment must be >= sizeof(void*) - if(alignment < sizeof(void*)) - { - alignment = sizeof(void*); - } - - void *pointer; - if(posix_memalign(&pointer, alignment, size) == 0) - return pointer; - return VMA_NULL; -} -#elif defined(_WIN32) -static void* vma_aligned_alloc(size_t alignment, size_t size) -{ - return _aligned_malloc(size, alignment); -} -#else -static void* vma_aligned_alloc(size_t alignment, size_t size) -{ - return aligned_alloc(alignment, size); -} -#endif - -#if defined(_WIN32) -static void vma_aligned_free(void* ptr) -{ - _aligned_free(ptr); -} -#else -static void vma_aligned_free(void* VMA_NULLABLE ptr) -{ - free(ptr); -} -#endif - -// If your compiler is not compatible with C++11 and definition of -// aligned_alloc() function is missing, uncommeting following line may help: - -//#include - -// Normal assert to check for programmer's errors, especially in Debug configuration. -#ifndef VMA_ASSERT - #ifdef NDEBUG - #define VMA_ASSERT(expr) - #else - #define VMA_ASSERT(expr) assert(expr) - #endif -#endif - -// Assert that will be called very often, like inside data structures e.g. operator[]. -// Making it non-empty can make program slow. -#ifndef VMA_HEAVY_ASSERT - #ifdef NDEBUG - #define VMA_HEAVY_ASSERT(expr) - #else - #define VMA_HEAVY_ASSERT(expr) //VMA_ASSERT(expr) - #endif -#endif - -#ifndef VMA_ALIGN_OF - #define VMA_ALIGN_OF(type) (__alignof(type)) -#endif - -#ifndef VMA_SYSTEM_ALIGNED_MALLOC - #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) vma_aligned_alloc((alignment), (size)) -#endif - -#ifndef VMA_SYSTEM_ALIGNED_FREE - // VMA_SYSTEM_FREE is the old name, but might have been defined by the user - #if defined(VMA_SYSTEM_FREE) - #define VMA_SYSTEM_ALIGNED_FREE(ptr) VMA_SYSTEM_FREE(ptr) - #else - #define VMA_SYSTEM_ALIGNED_FREE(ptr) vma_aligned_free(ptr) - #endif -#endif - -#ifndef VMA_MIN - #define VMA_MIN(v1, v2) (std::min((v1), (v2))) -#endif - -#ifndef VMA_MAX - #define VMA_MAX(v1, v2) (std::max((v1), (v2))) -#endif - -#ifndef VMA_SWAP - #define VMA_SWAP(v1, v2) std::swap((v1), (v2)) -#endif - -#ifndef VMA_SORT - #define VMA_SORT(beg, end, cmp) std::sort(beg, end, cmp) -#endif - -#ifndef VMA_DEBUG_LOG - #define VMA_DEBUG_LOG(format, ...) - /* - #define VMA_DEBUG_LOG(format, ...) do { \ - printf(format, __VA_ARGS__); \ - printf("\n"); \ - } while(false) - */ -#endif - -// Define this macro to 1 to enable functions: vmaBuildStatsString, vmaFreeStatsString. -#if VMA_STATS_STRING_ENABLED - static inline void VmaUint32ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint32_t num) - { - snprintf(outStr, strLen, "%u", static_cast(num)); - } - static inline void VmaUint64ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint64_t num) - { - snprintf(outStr, strLen, "%llu", static_cast(num)); - } - static inline void VmaPtrToStr(char* VMA_NOT_NULL outStr, size_t strLen, const void* ptr) - { - snprintf(outStr, strLen, "%p", ptr); - } -#endif - -#ifndef VMA_MUTEX - class VmaMutex - { - public: - void Lock() { m_Mutex.lock(); } - void Unlock() { m_Mutex.unlock(); } - bool TryLock() { return m_Mutex.try_lock(); } - private: - std::mutex m_Mutex; - }; - #define VMA_MUTEX VmaMutex -#endif - -// Read-write mutex, where "read" is shared access, "write" is exclusive access. -#ifndef VMA_RW_MUTEX - #if VMA_USE_STL_SHARED_MUTEX - // Use std::shared_mutex from C++17. - #include - class VmaRWMutex - { - public: - void LockRead() { m_Mutex.lock_shared(); } - void UnlockRead() { m_Mutex.unlock_shared(); } - bool TryLockRead() { return m_Mutex.try_lock_shared(); } - void LockWrite() { m_Mutex.lock(); } - void UnlockWrite() { m_Mutex.unlock(); } - bool TryLockWrite() { return m_Mutex.try_lock(); } - private: - std::shared_mutex m_Mutex; - }; - #define VMA_RW_MUTEX VmaRWMutex - #elif defined(_WIN32) && defined(WINVER) && WINVER >= 0x0600 - // Use SRWLOCK from WinAPI. - // Minimum supported client = Windows Vista, server = Windows Server 2008. - class VmaRWMutex - { - public: - VmaRWMutex() { InitializeSRWLock(&m_Lock); } - void LockRead() { AcquireSRWLockShared(&m_Lock); } - void UnlockRead() { ReleaseSRWLockShared(&m_Lock); } - bool TryLockRead() { return TryAcquireSRWLockShared(&m_Lock) != FALSE; } - void LockWrite() { AcquireSRWLockExclusive(&m_Lock); } - void UnlockWrite() { ReleaseSRWLockExclusive(&m_Lock); } - bool TryLockWrite() { return TryAcquireSRWLockExclusive(&m_Lock) != FALSE; } - private: - SRWLOCK m_Lock; - }; - #define VMA_RW_MUTEX VmaRWMutex - #else - // Less efficient fallback: Use normal mutex. - class VmaRWMutex - { - public: - void LockRead() { m_Mutex.Lock(); } - void UnlockRead() { m_Mutex.Unlock(); } - bool TryLockRead() { return m_Mutex.TryLock(); } - void LockWrite() { m_Mutex.Lock(); } - void UnlockWrite() { m_Mutex.Unlock(); } - bool TryLockWrite() { return m_Mutex.TryLock(); } - private: - VMA_MUTEX m_Mutex; - }; - #define VMA_RW_MUTEX VmaRWMutex - #endif // #if VMA_USE_STL_SHARED_MUTEX -#endif // #ifndef VMA_RW_MUTEX - -/* -If providing your own implementation, you need to implement a subset of std::atomic. -*/ -#ifndef VMA_ATOMIC_UINT32 - #include - #define VMA_ATOMIC_UINT32 std::atomic -#endif - -#ifndef VMA_ATOMIC_UINT64 - #include - #define VMA_ATOMIC_UINT64 std::atomic -#endif - -#ifndef VMA_DEBUG_ALWAYS_DEDICATED_MEMORY - /** - Every allocation will have its own memory block. - Define to 1 for debugging purposes only. - */ - #define VMA_DEBUG_ALWAYS_DEDICATED_MEMORY (0) -#endif - -#ifndef VMA_MIN_ALIGNMENT - /** - Minimum alignment of all allocations, in bytes. - Set to more than 1 for debugging purposes. Must be power of two. - */ - #ifdef VMA_DEBUG_ALIGNMENT // Old name - #define VMA_MIN_ALIGNMENT VMA_DEBUG_ALIGNMENT - #else - #define VMA_MIN_ALIGNMENT (1) - #endif -#endif - -#ifndef VMA_DEBUG_MARGIN - /** - Minimum margin before and after every allocation, in bytes. - Set nonzero for debugging purposes only. - */ - #define VMA_DEBUG_MARGIN (0) -#endif - -#ifndef VMA_DEBUG_INITIALIZE_ALLOCATIONS - /** - Define this macro to 1 to automatically fill new allocations and destroyed - allocations with some bit pattern. - */ - #define VMA_DEBUG_INITIALIZE_ALLOCATIONS (0) -#endif - -#ifndef VMA_DEBUG_DETECT_CORRUPTION - /** - Define this macro to 1 together with non-zero value of VMA_DEBUG_MARGIN to - enable writing magic value to the margin before and after every allocation and - validating it, so that memory corruptions (out-of-bounds writes) are detected. - */ - #define VMA_DEBUG_DETECT_CORRUPTION (0) -#endif - -#ifndef VMA_DEBUG_GLOBAL_MUTEX - /** - Set this to 1 for debugging purposes only, to enable single mutex protecting all - entry calls to the library. Can be useful for debugging multithreading issues. - */ - #define VMA_DEBUG_GLOBAL_MUTEX (0) -#endif - -#ifndef VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY - /** - Minimum value for VkPhysicalDeviceLimits::bufferImageGranularity. - Set to more than 1 for debugging purposes only. Must be power of two. - */ - #define VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY (1) -#endif - -#ifndef VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT - /* - Set this to 1 to make VMA never exceed VkPhysicalDeviceLimits::maxMemoryAllocationCount - and return error instead of leaving up to Vulkan implementation what to do in such cases. - */ - #define VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT (0) -#endif - -#ifndef VMA_SMALL_HEAP_MAX_SIZE - /// Maximum size of a memory heap in Vulkan to consider it "small". - #define VMA_SMALL_HEAP_MAX_SIZE (1024ull * 1024 * 1024) -#endif - -#ifndef VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE - /// Default size of a block allocated as single VkDeviceMemory from a "large" heap. - #define VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE (256ull * 1024 * 1024) -#endif - -#ifndef VMA_CLASS_NO_COPY - #define VMA_CLASS_NO_COPY(className) \ - private: \ - className(const className&) = delete; \ - className& operator=(const className&) = delete; -#endif - -static const uint32_t VMA_FRAME_INDEX_LOST = UINT32_MAX; - -// Decimal 2139416166, float NaN, little-endian binary 66 E6 84 7F. -static const uint32_t VMA_CORRUPTION_DETECTION_MAGIC_VALUE = 0x7F84E666; - -static const uint8_t VMA_ALLOCATION_FILL_PATTERN_CREATED = 0xDC; -static const uint8_t VMA_ALLOCATION_FILL_PATTERN_DESTROYED = 0xEF; - -/******************************************************************************* -END OF CONFIGURATION -*/ - -// # Copy of some Vulkan definitions so we don't need to check their existence just to handle few constants. - -static const uint32_t VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY = 0x00000040; -static const uint32_t VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY = 0x00000080; -static const uint32_t VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY = 0x00020000; - -static const uint32_t VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET = 0x10000000u; - -static VkAllocationCallbacks VmaEmptyAllocationCallbacks = { - VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL }; - -// Returns number of bits set to 1 in (v). -static inline uint32_t VmaCountBitsSet(uint32_t v) -{ - uint32_t c = v - ((v >> 1) & 0x55555555); - c = ((c >> 2) & 0x33333333) + (c & 0x33333333); - c = ((c >> 4) + c) & 0x0F0F0F0F; - c = ((c >> 8) + c) & 0x00FF00FF; - c = ((c >> 16) + c) & 0x0000FFFF; - return c; -} - -/* -Returns true if given number is a power of two. -T must be unsigned integer number or signed integer but always nonnegative. -For 0 returns true. -*/ -template -inline bool VmaIsPow2(T x) -{ - return (x & (x-1)) == 0; -} - -// Aligns given value up to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 16. -// Use types like uint32_t, uint64_t as T. -template -static inline T VmaAlignUp(T val, T alignment) -{ - VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); - return (val + alignment - 1) & ~(alignment - 1); -} -// Aligns given value down to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 8. -// Use types like uint32_t, uint64_t as T. -template -static inline T VmaAlignDown(T val, T alignment) -{ - VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); - return val & ~(alignment - 1); -} - -// Division with mathematical rounding to nearest number. -template -static inline T VmaRoundDiv(T x, T y) -{ - return (x + (y / (T)2)) / y; -} - -// Returns smallest power of 2 greater or equal to v. -static inline uint32_t VmaNextPow2(uint32_t v) -{ - v--; - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v++; - return v; -} -static inline uint64_t VmaNextPow2(uint64_t v) -{ - v--; - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v |= v >> 32; - v++; - return v; -} - -// Returns largest power of 2 less or equal to v. -static inline uint32_t VmaPrevPow2(uint32_t v) -{ - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v = v ^ (v >> 1); - return v; -} -static inline uint64_t VmaPrevPow2(uint64_t v) -{ - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v |= v >> 32; - v = v ^ (v >> 1); - return v; -} - -static inline bool VmaStrIsEmpty(const char* pStr) -{ - return pStr == VMA_NULL || *pStr == '\0'; -} - -#if VMA_STATS_STRING_ENABLED - -static const char* VmaAlgorithmToStr(uint32_t algorithm) -{ - switch(algorithm) - { - case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: - return "Linear"; - case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: - return "Buddy"; - case 0: - return "Default"; - default: - VMA_ASSERT(0); - return ""; - } -} - -#endif // #if VMA_STATS_STRING_ENABLED - -#ifndef VMA_SORT - -template -Iterator VmaQuickSortPartition(Iterator beg, Iterator end, Compare cmp) -{ - Iterator centerValue = end; --centerValue; - Iterator insertIndex = beg; - for(Iterator memTypeIndex = beg; memTypeIndex < centerValue; ++memTypeIndex) - { - if(cmp(*memTypeIndex, *centerValue)) - { - if(insertIndex != memTypeIndex) - { - VMA_SWAP(*memTypeIndex, *insertIndex); - } - ++insertIndex; - } - } - if(insertIndex != centerValue) - { - VMA_SWAP(*insertIndex, *centerValue); - } - return insertIndex; -} - -template -void VmaQuickSort(Iterator beg, Iterator end, Compare cmp) -{ - if(beg < end) - { - Iterator it = VmaQuickSortPartition(beg, end, cmp); - VmaQuickSort(beg, it, cmp); - VmaQuickSort(it + 1, end, cmp); - } -} - -#define VMA_SORT(beg, end, cmp) VmaQuickSort(beg, end, cmp) - -#endif // #ifndef VMA_SORT - -/* -Returns true if two memory blocks occupy overlapping pages. -ResourceA must be in less memory offset than ResourceB. - -Algorithm is based on "Vulkan 1.0.39 - A Specification (with all registered Vulkan extensions)" -chapter 11.6 "Resource Memory Association", paragraph "Buffer-Image Granularity". -*/ -static inline bool VmaBlocksOnSamePage( - VkDeviceSize resourceAOffset, - VkDeviceSize resourceASize, - VkDeviceSize resourceBOffset, - VkDeviceSize pageSize) -{ - VMA_ASSERT(resourceAOffset + resourceASize <= resourceBOffset && resourceASize > 0 && pageSize > 0); - VkDeviceSize resourceAEnd = resourceAOffset + resourceASize - 1; - VkDeviceSize resourceAEndPage = resourceAEnd & ~(pageSize - 1); - VkDeviceSize resourceBStart = resourceBOffset; - VkDeviceSize resourceBStartPage = resourceBStart & ~(pageSize - 1); - return resourceAEndPage == resourceBStartPage; -} - -enum VmaSuballocationType -{ - VMA_SUBALLOCATION_TYPE_FREE = 0, - VMA_SUBALLOCATION_TYPE_UNKNOWN = 1, - VMA_SUBALLOCATION_TYPE_BUFFER = 2, - VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN = 3, - VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR = 4, - VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL = 5, - VMA_SUBALLOCATION_TYPE_MAX_ENUM = 0x7FFFFFFF -}; - -/* -Returns true if given suballocation types could conflict and must respect -VkPhysicalDeviceLimits::bufferImageGranularity. They conflict if one is buffer -or linear image and another one is optimal image. If type is unknown, behave -conservatively. -*/ -static inline bool VmaIsBufferImageGranularityConflict( - VmaSuballocationType suballocType1, - VmaSuballocationType suballocType2) -{ - if(suballocType1 > suballocType2) - { - VMA_SWAP(suballocType1, suballocType2); - } - - switch(suballocType1) - { - case VMA_SUBALLOCATION_TYPE_FREE: - return false; - case VMA_SUBALLOCATION_TYPE_UNKNOWN: - return true; - case VMA_SUBALLOCATION_TYPE_BUFFER: - return - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; - case VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN: - return - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR || - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; - case VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR: - return - suballocType2 == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL; - case VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL: - return false; - default: - VMA_ASSERT(0); - return true; - } -} - -static void VmaWriteMagicValue(void* pData, VkDeviceSize offset) -{ -#if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION - uint32_t* pDst = (uint32_t*)((char*)pData + offset); - const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); - for(size_t i = 0; i < numberCount; ++i, ++pDst) - { - *pDst = VMA_CORRUPTION_DETECTION_MAGIC_VALUE; - } -#else - // no-op -#endif -} - -static bool VmaValidateMagicValue(const void* pData, VkDeviceSize offset) -{ -#if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION - const uint32_t* pSrc = (const uint32_t*)((const char*)pData + offset); - const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); - for(size_t i = 0; i < numberCount; ++i, ++pSrc) - { - if(*pSrc != VMA_CORRUPTION_DETECTION_MAGIC_VALUE) - { - return false; - } - } -#endif - return true; -} - -/* -Fills structure with parameters of an example buffer to be used for transfers -during GPU memory defragmentation. -*/ -static void VmaFillGpuDefragmentationBufferCreateInfo(VkBufferCreateInfo& outBufCreateInfo) -{ - memset(&outBufCreateInfo, 0, sizeof(outBufCreateInfo)); - outBufCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - outBufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - outBufCreateInfo.size = (VkDeviceSize)VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE; // Example size. -} - -// Helper RAII class to lock a mutex in constructor and unlock it in destructor (at the end of scope). -struct VmaMutexLock -{ - VMA_CLASS_NO_COPY(VmaMutexLock) -public: - VmaMutexLock(VMA_MUTEX& mutex, bool useMutex = true) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->Lock(); } } - ~VmaMutexLock() - { if(m_pMutex) { m_pMutex->Unlock(); } } -private: - VMA_MUTEX* m_pMutex; -}; - -// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for reading. -struct VmaMutexLockRead -{ - VMA_CLASS_NO_COPY(VmaMutexLockRead) -public: - VmaMutexLockRead(VMA_RW_MUTEX& mutex, bool useMutex) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->LockRead(); } } - ~VmaMutexLockRead() { if(m_pMutex) { m_pMutex->UnlockRead(); } } -private: - VMA_RW_MUTEX* m_pMutex; -}; - -// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for writing. -struct VmaMutexLockWrite -{ - VMA_CLASS_NO_COPY(VmaMutexLockWrite) -public: - VmaMutexLockWrite(VMA_RW_MUTEX& mutex, bool useMutex) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->LockWrite(); } } - ~VmaMutexLockWrite() { if(m_pMutex) { m_pMutex->UnlockWrite(); } } -private: - VMA_RW_MUTEX* m_pMutex; -}; - -#if VMA_DEBUG_GLOBAL_MUTEX - static VMA_MUTEX gDebugGlobalMutex; - #define VMA_DEBUG_GLOBAL_MUTEX_LOCK VmaMutexLock debugGlobalMutexLock(gDebugGlobalMutex, true); -#else - #define VMA_DEBUG_GLOBAL_MUTEX_LOCK -#endif - -// Minimum size of a free suballocation to register it in the free suballocation collection. -static const VkDeviceSize VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER = 16; - -/* -Performs binary search and returns iterator to first element that is greater or -equal to (key), according to comparison (cmp). - -Cmp should return true if first argument is less than second argument. - -Returned value is the found element, if present in the collection or place where -new element with value (key) should be inserted. -*/ -template -static IterT VmaBinaryFindFirstNotLess(IterT beg, IterT end, const KeyT &key, const CmpLess& cmp) -{ - size_t down = 0, up = (end - beg); - while(down < up) - { - const size_t mid = down + (up - down) / 2; // Overflow-safe midpoint calculation - if(cmp(*(beg+mid), key)) - { - down = mid + 1; - } - else - { - up = mid; - } - } - return beg + down; -} - -template -IterT VmaBinaryFindSorted(const IterT& beg, const IterT& end, const KeyT& value, const CmpLess& cmp) -{ - IterT it = VmaBinaryFindFirstNotLess( - beg, end, value, cmp); - if(it == end || - (!cmp(*it, value) && !cmp(value, *it))) - { - return it; - } - return end; -} - -/* -Returns true if all pointers in the array are not-null and unique. -Warning! O(n^2) complexity. Use only inside VMA_HEAVY_ASSERT. -T must be pointer type, e.g. VmaAllocation, VmaPool. -*/ -template -static bool VmaValidatePointerArray(uint32_t count, const T* arr) -{ - for(uint32_t i = 0; i < count; ++i) - { - const T iPtr = arr[i]; - if(iPtr == VMA_NULL) - { - return false; - } - for(uint32_t j = i + 1; j < count; ++j) - { - if(iPtr == arr[j]) - { - return false; - } - } - } - return true; -} - -template -static inline void VmaPnextChainPushFront(MainT* mainStruct, NewT* newStruct) -{ - newStruct->pNext = mainStruct->pNext; - mainStruct->pNext = newStruct; -} - -//////////////////////////////////////////////////////////////////////////////// -// Memory allocation - -static void* VmaMalloc(const VkAllocationCallbacks* pAllocationCallbacks, size_t size, size_t alignment) -{ - void* result = VMA_NULL; - if((pAllocationCallbacks != VMA_NULL) && - (pAllocationCallbacks->pfnAllocation != VMA_NULL)) - { - result = (*pAllocationCallbacks->pfnAllocation)( - pAllocationCallbacks->pUserData, - size, - alignment, - VK_SYSTEM_ALLOCATION_SCOPE_OBJECT); - } - else - { - result = VMA_SYSTEM_ALIGNED_MALLOC(size, alignment); - } - VMA_ASSERT(result != VMA_NULL && "CPU memory allocation failed."); - return result; -} - -static void VmaFree(const VkAllocationCallbacks* pAllocationCallbacks, void* ptr) -{ - if((pAllocationCallbacks != VMA_NULL) && - (pAllocationCallbacks->pfnFree != VMA_NULL)) - { - (*pAllocationCallbacks->pfnFree)(pAllocationCallbacks->pUserData, ptr); - } - else - { - VMA_SYSTEM_ALIGNED_FREE(ptr); - } -} - -template -static T* VmaAllocate(const VkAllocationCallbacks* pAllocationCallbacks) -{ - return (T*)VmaMalloc(pAllocationCallbacks, sizeof(T), VMA_ALIGN_OF(T)); -} - -template -static T* VmaAllocateArray(const VkAllocationCallbacks* pAllocationCallbacks, size_t count) -{ - return (T*)VmaMalloc(pAllocationCallbacks, sizeof(T) * count, VMA_ALIGN_OF(T)); -} - -#define vma_new(allocator, type) new(VmaAllocate(allocator))(type) - -#define vma_new_array(allocator, type, count) new(VmaAllocateArray((allocator), (count)))(type) - -template -static void vma_delete(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr) -{ - ptr->~T(); - VmaFree(pAllocationCallbacks, ptr); -} - -template -static void vma_delete_array(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr, size_t count) -{ - if(ptr != VMA_NULL) - { - for(size_t i = count; i--; ) - { - ptr[i].~T(); - } - VmaFree(pAllocationCallbacks, ptr); - } -} - -static char* VmaCreateStringCopy(const VkAllocationCallbacks* allocs, const char* srcStr) -{ - if(srcStr != VMA_NULL) - { - const size_t len = strlen(srcStr); - char* const result = vma_new_array(allocs, char, len + 1); - memcpy(result, srcStr, len + 1); - return result; - } - else - { - return VMA_NULL; - } -} - -static void VmaFreeString(const VkAllocationCallbacks* allocs, char* str) -{ - if(str != VMA_NULL) - { - const size_t len = strlen(str); - vma_delete_array(allocs, str, len + 1); - } -} - -// STL-compatible allocator. -template -class VmaStlAllocator -{ -public: - const VkAllocationCallbacks* const m_pCallbacks; - typedef T value_type; - - VmaStlAllocator(const VkAllocationCallbacks* pCallbacks) : m_pCallbacks(pCallbacks) { } - template VmaStlAllocator(const VmaStlAllocator& src) : m_pCallbacks(src.m_pCallbacks) { } - - T* allocate(size_t n) { return VmaAllocateArray(m_pCallbacks, n); } - void deallocate(T* p, size_t n) { VmaFree(m_pCallbacks, p); } - - template - bool operator==(const VmaStlAllocator& rhs) const - { - return m_pCallbacks == rhs.m_pCallbacks; - } - template - bool operator!=(const VmaStlAllocator& rhs) const - { - return m_pCallbacks != rhs.m_pCallbacks; - } - - VmaStlAllocator& operator=(const VmaStlAllocator& x) = delete; - VmaStlAllocator(const VmaStlAllocator&) = default; -}; - -#if VMA_USE_STL_VECTOR - -#define VmaVector std::vector - -template -static void VmaVectorInsert(std::vector& vec, size_t index, const T& item) -{ - vec.insert(vec.begin() + index, item); -} - -template -static void VmaVectorRemove(std::vector& vec, size_t index) -{ - vec.erase(vec.begin() + index); -} - -#else // #if VMA_USE_STL_VECTOR - -/* Class with interface compatible with subset of std::vector. -T must be POD because constructors and destructors are not called and memcpy is -used for these objects. */ -template -class VmaVector -{ -public: - typedef T value_type; - - VmaVector(const AllocatorT& allocator) : - m_Allocator(allocator), - m_pArray(VMA_NULL), - m_Count(0), - m_Capacity(0) - { - } - - VmaVector(size_t count, const AllocatorT& allocator) : - m_Allocator(allocator), - m_pArray(count ? (T*)VmaAllocateArray(allocator.m_pCallbacks, count) : VMA_NULL), - m_Count(count), - m_Capacity(count) - { - } - - // This version of the constructor is here for compatibility with pre-C++14 std::vector. - // value is unused. - VmaVector(size_t count, const T& value, const AllocatorT& allocator) - : VmaVector(count, allocator) {} - - VmaVector(const VmaVector& src) : - m_Allocator(src.m_Allocator), - m_pArray(src.m_Count ? (T*)VmaAllocateArray(src.m_Allocator.m_pCallbacks, src.m_Count) : VMA_NULL), - m_Count(src.m_Count), - m_Capacity(src.m_Count) - { - if(m_Count != 0) - { - memcpy(m_pArray, src.m_pArray, m_Count * sizeof(T)); - } - } - - ~VmaVector() - { - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - } - - VmaVector& operator=(const VmaVector& rhs) - { - if(&rhs != this) - { - resize(rhs.m_Count); - if(m_Count != 0) - { - memcpy(m_pArray, rhs.m_pArray, m_Count * sizeof(T)); - } - } - return *this; - } - - bool empty() const { return m_Count == 0; } - size_t size() const { return m_Count; } - T* data() { return m_pArray; } - const T* data() const { return m_pArray; } - - T& operator[](size_t index) - { - VMA_HEAVY_ASSERT(index < m_Count); - return m_pArray[index]; - } - const T& operator[](size_t index) const - { - VMA_HEAVY_ASSERT(index < m_Count); - return m_pArray[index]; - } - - T& front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[0]; - } - const T& front() const - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[0]; - } - T& back() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[m_Count - 1]; - } - const T& back() const - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[m_Count - 1]; - } - - void reserve(size_t newCapacity, bool freeMemory = false) - { - newCapacity = VMA_MAX(newCapacity, m_Count); - - if((newCapacity < m_Capacity) && !freeMemory) - { - newCapacity = m_Capacity; - } - - if(newCapacity != m_Capacity) - { - T* const newArray = newCapacity ? VmaAllocateArray(m_Allocator, newCapacity) : VMA_NULL; - if(m_Count != 0) - { - memcpy(newArray, m_pArray, m_Count * sizeof(T)); - } - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - m_Capacity = newCapacity; - m_pArray = newArray; - } - } - - void resize(size_t newCount) - { - size_t newCapacity = m_Capacity; - if(newCount > m_Capacity) - { - newCapacity = VMA_MAX(newCount, VMA_MAX(m_Capacity * 3 / 2, (size_t)8)); - } - - if(newCapacity != m_Capacity) - { - T* const newArray = newCapacity ? VmaAllocateArray(m_Allocator.m_pCallbacks, newCapacity) : VMA_NULL; - const size_t elementsToCopy = VMA_MIN(m_Count, newCount); - if(elementsToCopy != 0) - { - memcpy(newArray, m_pArray, elementsToCopy * sizeof(T)); - } - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - m_Capacity = newCapacity; - m_pArray = newArray; - } - - m_Count = newCount; - } - - void clear() - { - resize(0); - } - - void shrink_to_fit() - { - if(m_Capacity > m_Count) - { - T* newArray = VMA_NULL; - if(m_Count > 0) - { - newArray = VmaAllocateArray(m_Allocator.m_pCallbacks, m_Count); - memcpy(newArray, m_pArray, m_Count * sizeof(T)); - } - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - m_Capacity = m_Count; - m_pArray = newArray; - } - } - - void insert(size_t index, const T& src) - { - VMA_HEAVY_ASSERT(index <= m_Count); - const size_t oldCount = size(); - resize(oldCount + 1); - if(index < oldCount) - { - memmove(m_pArray + (index + 1), m_pArray + index, (oldCount - index) * sizeof(T)); - } - m_pArray[index] = src; - } - - void remove(size_t index) - { - VMA_HEAVY_ASSERT(index < m_Count); - const size_t oldCount = size(); - if(index < oldCount - 1) - { - memmove(m_pArray + index, m_pArray + (index + 1), (oldCount - index - 1) * sizeof(T)); - } - resize(oldCount - 1); - } - - void push_back(const T& src) - { - const size_t newIndex = size(); - resize(newIndex + 1); - m_pArray[newIndex] = src; - } - - void pop_back() - { - VMA_HEAVY_ASSERT(m_Count > 0); - resize(size() - 1); - } - - void push_front(const T& src) - { - insert(0, src); - } - - void pop_front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - remove(0); - } - - typedef T* iterator; - typedef const T* const_iterator; - - iterator begin() { return m_pArray; } - iterator end() { return m_pArray + m_Count; } - const_iterator cbegin() const { return m_pArray; } - const_iterator cend() const { return m_pArray + m_Count; } - const_iterator begin() const { return cbegin(); } - const_iterator end() const { return cend(); } - -private: - AllocatorT m_Allocator; - T* m_pArray; - size_t m_Count; - size_t m_Capacity; -}; - -template -static void VmaVectorInsert(VmaVector& vec, size_t index, const T& item) -{ - vec.insert(index, item); -} - -template -static void VmaVectorRemove(VmaVector& vec, size_t index) -{ - vec.remove(index); -} - -#endif // #if VMA_USE_STL_VECTOR - -template -size_t VmaVectorInsertSorted(VectorT& vector, const typename VectorT::value_type& value) -{ - const size_t indexToInsert = VmaBinaryFindFirstNotLess( - vector.data(), - vector.data() + vector.size(), - value, - CmpLess()) - vector.data(); - VmaVectorInsert(vector, indexToInsert, value); - return indexToInsert; -} - -template -bool VmaVectorRemoveSorted(VectorT& vector, const typename VectorT::value_type& value) -{ - CmpLess comparator; - typename VectorT::iterator it = VmaBinaryFindFirstNotLess( - vector.begin(), - vector.end(), - value, - comparator); - if((it != vector.end()) && !comparator(*it, value) && !comparator(value, *it)) - { - size_t indexToRemove = it - vector.begin(); - VmaVectorRemove(vector, indexToRemove); - return true; - } - return false; -} - -//////////////////////////////////////////////////////////////////////////////// -// class VmaSmallVector - -/* -This is a vector (a variable-sized array), optimized for the case when the array is small. - -It contains some number of elements in-place, which allows it to avoid heap allocation -when the actual number of elements is below that threshold. This allows normal "small" -cases to be fast without losing generality for large inputs. -*/ - -template -class VmaSmallVector -{ -public: - typedef T value_type; - - VmaSmallVector(const AllocatorT& allocator) : - m_Count(0), - m_DynamicArray(allocator) - { - } - VmaSmallVector(size_t count, const AllocatorT& allocator) : - m_Count(count), - m_DynamicArray(count > N ? count : 0, allocator) - { - } - template - VmaSmallVector(const VmaSmallVector& src) = delete; - template - VmaSmallVector& operator=(const VmaSmallVector& rhs) = delete; - - bool empty() const { return m_Count == 0; } - size_t size() const { return m_Count; } - T* data() { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } - const T* data() const { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } - - T& operator[](size_t index) - { - VMA_HEAVY_ASSERT(index < m_Count); - return data()[index]; - } - const T& operator[](size_t index) const - { - VMA_HEAVY_ASSERT(index < m_Count); - return data()[index]; - } - - T& front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return data()[0]; - } - const T& front() const - { - VMA_HEAVY_ASSERT(m_Count > 0); - return data()[0]; - } - T& back() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return data()[m_Count - 1]; - } - const T& back() const - { - VMA_HEAVY_ASSERT(m_Count > 0); - return data()[m_Count - 1]; - } - - void resize(size_t newCount, bool freeMemory = false) - { - if(newCount > N && m_Count > N) - { - // Any direction, staying in m_DynamicArray - m_DynamicArray.resize(newCount); - if(freeMemory) - { - m_DynamicArray.shrink_to_fit(); - } - } - else if(newCount > N && m_Count <= N) - { - // Growing, moving from m_StaticArray to m_DynamicArray - m_DynamicArray.resize(newCount); - if(m_Count > 0) - { - memcpy(m_DynamicArray.data(), m_StaticArray, m_Count * sizeof(T)); - } - } - else if(newCount <= N && m_Count > N) - { - // Shrinking, moving from m_DynamicArray to m_StaticArray - if(newCount > 0) - { - memcpy(m_StaticArray, m_DynamicArray.data(), newCount * sizeof(T)); - } - m_DynamicArray.resize(0); - if(freeMemory) - { - m_DynamicArray.shrink_to_fit(); - } - } - else - { - // Any direction, staying in m_StaticArray - nothing to do here - } - m_Count = newCount; - } - - void clear(bool freeMemory = false) - { - m_DynamicArray.clear(); - if(freeMemory) - { - m_DynamicArray.shrink_to_fit(); - } - m_Count = 0; - } - - void insert(size_t index, const T& src) - { - VMA_HEAVY_ASSERT(index <= m_Count); - const size_t oldCount = size(); - resize(oldCount + 1); - T* const dataPtr = data(); - if(index < oldCount) - { - // I know, this could be more optimal for case where memmove can be memcpy directly from m_StaticArray to m_DynamicArray. - memmove(dataPtr + (index + 1), dataPtr + index, (oldCount - index) * sizeof(T)); - } - dataPtr[index] = src; - } - - void remove(size_t index) - { - VMA_HEAVY_ASSERT(index < m_Count); - const size_t oldCount = size(); - if(index < oldCount - 1) - { - // I know, this could be more optimal for case where memmove can be memcpy directly from m_DynamicArray to m_StaticArray. - T* const dataPtr = data(); - memmove(dataPtr + index, dataPtr + (index + 1), (oldCount - index - 1) * sizeof(T)); - } - resize(oldCount - 1); - } - - void push_back(const T& src) - { - const size_t newIndex = size(); - resize(newIndex + 1); - data()[newIndex] = src; - } - - void pop_back() - { - VMA_HEAVY_ASSERT(m_Count > 0); - resize(size() - 1); - } - - void push_front(const T& src) - { - insert(0, src); - } - - void pop_front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - remove(0); - } - - typedef T* iterator; - - iterator begin() { return data(); } - iterator end() { return data() + m_Count; } - -private: - size_t m_Count; - T m_StaticArray[N]; // Used when m_Size <= N - VmaVector m_DynamicArray; // Used when m_Size > N -}; - -//////////////////////////////////////////////////////////////////////////////// -// class VmaPoolAllocator - -/* -Allocator for objects of type T using a list of arrays (pools) to speed up -allocation. Number of elements that can be allocated is not bounded because -allocator can create multiple blocks. -*/ -template -class VmaPoolAllocator -{ - VMA_CLASS_NO_COPY(VmaPoolAllocator) -public: - VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity); - ~VmaPoolAllocator(); - template T* Alloc(Types... args); - void Free(T* ptr); - -private: - union Item - { - uint32_t NextFreeIndex; - alignas(T) char Value[sizeof(T)]; - }; - - struct ItemBlock - { - Item* pItems; - uint32_t Capacity; - uint32_t FirstFreeIndex; - }; - - const VkAllocationCallbacks* m_pAllocationCallbacks; - const uint32_t m_FirstBlockCapacity; - VmaVector< ItemBlock, VmaStlAllocator > m_ItemBlocks; - - ItemBlock& CreateNewBlock(); -}; - -template -VmaPoolAllocator::VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity) : - m_pAllocationCallbacks(pAllocationCallbacks), - m_FirstBlockCapacity(firstBlockCapacity), - m_ItemBlocks(VmaStlAllocator(pAllocationCallbacks)) -{ - VMA_ASSERT(m_FirstBlockCapacity > 1); -} - -template -VmaPoolAllocator::~VmaPoolAllocator() -{ - for(size_t i = m_ItemBlocks.size(); i--; ) - vma_delete_array(m_pAllocationCallbacks, m_ItemBlocks[i].pItems, m_ItemBlocks[i].Capacity); - m_ItemBlocks.clear(); -} - -template -template T* VmaPoolAllocator::Alloc(Types... args) -{ - for(size_t i = m_ItemBlocks.size(); i--; ) - { - ItemBlock& block = m_ItemBlocks[i]; - // This block has some free items: Use first one. - if(block.FirstFreeIndex != UINT32_MAX) - { - Item* const pItem = &block.pItems[block.FirstFreeIndex]; - block.FirstFreeIndex = pItem->NextFreeIndex; - T* result = (T*)&pItem->Value; - new(result)T(std::forward(args)...); // Explicit constructor call. - return result; - } - } - - // No block has free item: Create new one and use it. - ItemBlock& newBlock = CreateNewBlock(); - Item* const pItem = &newBlock.pItems[0]; - newBlock.FirstFreeIndex = pItem->NextFreeIndex; - T* result = (T*)&pItem->Value; - new(result)T(std::forward(args)...); // Explicit constructor call. - return result; -} - -template -void VmaPoolAllocator::Free(T* ptr) -{ - // Search all memory blocks to find ptr. - for(size_t i = m_ItemBlocks.size(); i--; ) - { - ItemBlock& block = m_ItemBlocks[i]; - - // Casting to union. - Item* pItemPtr; - memcpy(&pItemPtr, &ptr, sizeof(pItemPtr)); - - // Check if pItemPtr is in address range of this block. - if((pItemPtr >= block.pItems) && (pItemPtr < block.pItems + block.Capacity)) - { - ptr->~T(); // Explicit destructor call. - const uint32_t index = static_cast(pItemPtr - block.pItems); - pItemPtr->NextFreeIndex = block.FirstFreeIndex; - block.FirstFreeIndex = index; - return; - } - } - VMA_ASSERT(0 && "Pointer doesn't belong to this memory pool."); -} - -template -typename VmaPoolAllocator::ItemBlock& VmaPoolAllocator::CreateNewBlock() -{ - const uint32_t newBlockCapacity = m_ItemBlocks.empty() ? - m_FirstBlockCapacity : m_ItemBlocks.back().Capacity * 3 / 2; - - const ItemBlock newBlock = { - vma_new_array(m_pAllocationCallbacks, Item, newBlockCapacity), - newBlockCapacity, - 0 }; - - m_ItemBlocks.push_back(newBlock); - - // Setup singly-linked list of all free items in this block. - for(uint32_t i = 0; i < newBlockCapacity - 1; ++i) - newBlock.pItems[i].NextFreeIndex = i + 1; - newBlock.pItems[newBlockCapacity - 1].NextFreeIndex = UINT32_MAX; - return m_ItemBlocks.back(); -} - -//////////////////////////////////////////////////////////////////////////////// -// class VmaRawList, VmaList - -#if VMA_USE_STL_LIST - -#define VmaList std::list - -#else // #if VMA_USE_STL_LIST - -template -struct VmaListItem -{ - VmaListItem* pPrev; - VmaListItem* pNext; - T Value; -}; - -// Doubly linked list. -template -class VmaRawList -{ - VMA_CLASS_NO_COPY(VmaRawList) -public: - typedef VmaListItem ItemType; - - VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks); - ~VmaRawList(); - void Clear(); - - size_t GetCount() const { return m_Count; } - bool IsEmpty() const { return m_Count == 0; } - - ItemType* Front() { return m_pFront; } - const ItemType* Front() const { return m_pFront; } - ItemType* Back() { return m_pBack; } - const ItemType* Back() const { return m_pBack; } - - ItemType* PushBack(); - ItemType* PushFront(); - ItemType* PushBack(const T& value); - ItemType* PushFront(const T& value); - void PopBack(); - void PopFront(); - - // Item can be null - it means PushBack. - ItemType* InsertBefore(ItemType* pItem); - // Item can be null - it means PushFront. - ItemType* InsertAfter(ItemType* pItem); - - ItemType* InsertBefore(ItemType* pItem, const T& value); - ItemType* InsertAfter(ItemType* pItem, const T& value); - - void Remove(ItemType* pItem); - -private: - const VkAllocationCallbacks* const m_pAllocationCallbacks; - VmaPoolAllocator m_ItemAllocator; - ItemType* m_pFront; - ItemType* m_pBack; - size_t m_Count; -}; - -template -VmaRawList::VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks) : - m_pAllocationCallbacks(pAllocationCallbacks), - m_ItemAllocator(pAllocationCallbacks, 128), - m_pFront(VMA_NULL), - m_pBack(VMA_NULL), - m_Count(0) -{ -} - -template -VmaRawList::~VmaRawList() -{ - // Intentionally not calling Clear, because that would be unnecessary - // computations to return all items to m_ItemAllocator as free. -} - -template -void VmaRawList::Clear() -{ - if(IsEmpty() == false) - { - ItemType* pItem = m_pBack; - while(pItem != VMA_NULL) - { - ItemType* const pPrevItem = pItem->pPrev; - m_ItemAllocator.Free(pItem); - pItem = pPrevItem; - } - m_pFront = VMA_NULL; - m_pBack = VMA_NULL; - m_Count = 0; - } -} - -template -VmaListItem* VmaRawList::PushBack() -{ - ItemType* const pNewItem = m_ItemAllocator.Alloc(); - pNewItem->pNext = VMA_NULL; - if(IsEmpty()) - { - pNewItem->pPrev = VMA_NULL; - m_pFront = pNewItem; - m_pBack = pNewItem; - m_Count = 1; - } - else - { - pNewItem->pPrev = m_pBack; - m_pBack->pNext = pNewItem; - m_pBack = pNewItem; - ++m_Count; - } - return pNewItem; -} - -template -VmaListItem* VmaRawList::PushFront() -{ - ItemType* const pNewItem = m_ItemAllocator.Alloc(); - pNewItem->pPrev = VMA_NULL; - if(IsEmpty()) - { - pNewItem->pNext = VMA_NULL; - m_pFront = pNewItem; - m_pBack = pNewItem; - m_Count = 1; - } - else - { - pNewItem->pNext = m_pFront; - m_pFront->pPrev = pNewItem; - m_pFront = pNewItem; - ++m_Count; - } - return pNewItem; -} - -template -VmaListItem* VmaRawList::PushBack(const T& value) -{ - ItemType* const pNewItem = PushBack(); - pNewItem->Value = value; - return pNewItem; -} - -template -VmaListItem* VmaRawList::PushFront(const T& value) -{ - ItemType* const pNewItem = PushFront(); - pNewItem->Value = value; - return pNewItem; -} - -template -void VmaRawList::PopBack() -{ - VMA_HEAVY_ASSERT(m_Count > 0); - ItemType* const pBackItem = m_pBack; - ItemType* const pPrevItem = pBackItem->pPrev; - if(pPrevItem != VMA_NULL) - { - pPrevItem->pNext = VMA_NULL; - } - m_pBack = pPrevItem; - m_ItemAllocator.Free(pBackItem); - --m_Count; -} - -template -void VmaRawList::PopFront() -{ - VMA_HEAVY_ASSERT(m_Count > 0); - ItemType* const pFrontItem = m_pFront; - ItemType* const pNextItem = pFrontItem->pNext; - if(pNextItem != VMA_NULL) - { - pNextItem->pPrev = VMA_NULL; - } - m_pFront = pNextItem; - m_ItemAllocator.Free(pFrontItem); - --m_Count; -} - -template -void VmaRawList::Remove(ItemType* pItem) -{ - VMA_HEAVY_ASSERT(pItem != VMA_NULL); - VMA_HEAVY_ASSERT(m_Count > 0); - - if(pItem->pPrev != VMA_NULL) - { - pItem->pPrev->pNext = pItem->pNext; - } - else - { - VMA_HEAVY_ASSERT(m_pFront == pItem); - m_pFront = pItem->pNext; - } - - if(pItem->pNext != VMA_NULL) - { - pItem->pNext->pPrev = pItem->pPrev; - } - else - { - VMA_HEAVY_ASSERT(m_pBack == pItem); - m_pBack = pItem->pPrev; - } - - m_ItemAllocator.Free(pItem); - --m_Count; -} - -template -VmaListItem* VmaRawList::InsertBefore(ItemType* pItem) -{ - if(pItem != VMA_NULL) - { - ItemType* const prevItem = pItem->pPrev; - ItemType* const newItem = m_ItemAllocator.Alloc(); - newItem->pPrev = prevItem; - newItem->pNext = pItem; - pItem->pPrev = newItem; - if(prevItem != VMA_NULL) - { - prevItem->pNext = newItem; - } - else - { - VMA_HEAVY_ASSERT(m_pFront == pItem); - m_pFront = newItem; - } - ++m_Count; - return newItem; - } - else - return PushBack(); -} - -template -VmaListItem* VmaRawList::InsertAfter(ItemType* pItem) -{ - if(pItem != VMA_NULL) - { - ItemType* const nextItem = pItem->pNext; - ItemType* const newItem = m_ItemAllocator.Alloc(); - newItem->pNext = nextItem; - newItem->pPrev = pItem; - pItem->pNext = newItem; - if(nextItem != VMA_NULL) - { - nextItem->pPrev = newItem; - } - else - { - VMA_HEAVY_ASSERT(m_pBack == pItem); - m_pBack = newItem; - } - ++m_Count; - return newItem; - } - else - return PushFront(); -} - -template -VmaListItem* VmaRawList::InsertBefore(ItemType* pItem, const T& value) -{ - ItemType* const newItem = InsertBefore(pItem); - newItem->Value = value; - return newItem; -} - -template -VmaListItem* VmaRawList::InsertAfter(ItemType* pItem, const T& value) -{ - ItemType* const newItem = InsertAfter(pItem); - newItem->Value = value; - return newItem; -} - -template -class VmaList -{ - VMA_CLASS_NO_COPY(VmaList) -public: - class iterator - { - public: - iterator() : - m_pList(VMA_NULL), - m_pItem(VMA_NULL) - { - } - - T& operator*() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return m_pItem->Value; - } - T* operator->() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return &m_pItem->Value; - } - - iterator& operator++() - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - m_pItem = m_pItem->pNext; - return *this; - } - iterator& operator--() - { - if(m_pItem != VMA_NULL) - { - m_pItem = m_pItem->pPrev; - } - else - { - VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); - m_pItem = m_pList->Back(); - } - return *this; - } - - iterator operator++(int) - { - iterator result = *this; - ++*this; - return result; - } - iterator operator--(int) - { - iterator result = *this; - --*this; - return result; - } - - bool operator==(const iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem == rhs.m_pItem; - } - bool operator!=(const iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem != rhs.m_pItem; - } - - private: - VmaRawList* m_pList; - VmaListItem* m_pItem; - - iterator(VmaRawList* pList, VmaListItem* pItem) : - m_pList(pList), - m_pItem(pItem) - { - } - - friend class VmaList; - }; - - class const_iterator - { - public: - const_iterator() : - m_pList(VMA_NULL), - m_pItem(VMA_NULL) - { - } - - const_iterator(const iterator& src) : - m_pList(src.m_pList), - m_pItem(src.m_pItem) - { - } - - const T& operator*() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return m_pItem->Value; - } - const T* operator->() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return &m_pItem->Value; - } - - const_iterator& operator++() - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - m_pItem = m_pItem->pNext; - return *this; - } - const_iterator& operator--() - { - if(m_pItem != VMA_NULL) - { - m_pItem = m_pItem->pPrev; - } - else - { - VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); - m_pItem = m_pList->Back(); - } - return *this; - } - - const_iterator operator++(int) - { - const_iterator result = *this; - ++*this; - return result; - } - const_iterator operator--(int) - { - const_iterator result = *this; - --*this; - return result; - } - - bool operator==(const const_iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem == rhs.m_pItem; - } - bool operator!=(const const_iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem != rhs.m_pItem; - } - - private: - const_iterator(const VmaRawList* pList, const VmaListItem* pItem) : - m_pList(pList), - m_pItem(pItem) - { - } - - const VmaRawList* m_pList; - const VmaListItem* m_pItem; - - friend class VmaList; - }; - - VmaList(const AllocatorT& allocator) : m_RawList(allocator.m_pCallbacks) { } - - bool empty() const { return m_RawList.IsEmpty(); } - size_t size() const { return m_RawList.GetCount(); } - - iterator begin() { return iterator(&m_RawList, m_RawList.Front()); } - iterator end() { return iterator(&m_RawList, VMA_NULL); } - - const_iterator cbegin() const { return const_iterator(&m_RawList, m_RawList.Front()); } - const_iterator cend() const { return const_iterator(&m_RawList, VMA_NULL); } - - const_iterator begin() const { return cbegin(); } - const_iterator end() const { return cend(); } - - void clear() { m_RawList.Clear(); } - void push_back(const T& value) { m_RawList.PushBack(value); } - void erase(iterator it) { m_RawList.Remove(it.m_pItem); } - iterator insert(iterator it, const T& value) { return iterator(&m_RawList, m_RawList.InsertBefore(it.m_pItem, value)); } - -private: - VmaRawList m_RawList; -}; - -#endif // #if VMA_USE_STL_LIST - -//////////////////////////////////////////////////////////////////////////////// -// class VmaIntrusiveLinkedList - -/* -Expected interface of ItemTypeTraits: -struct MyItemTypeTraits -{ - typedef MyItem ItemType; - static ItemType* GetPrev(const ItemType* item) { return item->myPrevPtr; } - static ItemType* GetNext(const ItemType* item) { return item->myNextPtr; } - static ItemType*& AccessPrev(ItemType* item) { return item->myPrevPtr; } - static ItemType*& AccessNext(ItemType* item) { return item->myNextPtr; } -}; -*/ -template -class VmaIntrusiveLinkedList -{ -public: - typedef typename ItemTypeTraits::ItemType ItemType; - static ItemType* GetPrev(const ItemType* item) { return ItemTypeTraits::GetPrev(item); } - static ItemType* GetNext(const ItemType* item) { return ItemTypeTraits::GetNext(item); } - // Movable, not copyable. - VmaIntrusiveLinkedList() { } - VmaIntrusiveLinkedList(const VmaIntrusiveLinkedList& src) = delete; - VmaIntrusiveLinkedList(VmaIntrusiveLinkedList&& src) : - m_Front(src.m_Front), m_Back(src.m_Back), m_Count(src.m_Count) - { - src.m_Front = src.m_Back = VMA_NULL; - src.m_Count = 0; - } - ~VmaIntrusiveLinkedList() - { - VMA_HEAVY_ASSERT(IsEmpty()); - } - VmaIntrusiveLinkedList& operator=(const VmaIntrusiveLinkedList& src) = delete; - VmaIntrusiveLinkedList& operator=(VmaIntrusiveLinkedList&& src) - { - if(&src != this) - { - VMA_HEAVY_ASSERT(IsEmpty()); - m_Front = src.m_Front; - m_Back = src.m_Back; - m_Count = src.m_Count; - src.m_Front = src.m_Back = VMA_NULL; - src.m_Count = 0; - } - return *this; - } - void RemoveAll() - { - if(!IsEmpty()) - { - ItemType* item = m_Back; - while(item != VMA_NULL) - { - ItemType* const prevItem = ItemTypeTraits::AccessPrev(item); - ItemTypeTraits::AccessPrev(item) = VMA_NULL; - ItemTypeTraits::AccessNext(item) = VMA_NULL; - item = prevItem; - } - m_Front = VMA_NULL; - m_Back = VMA_NULL; - m_Count = 0; - } - } - size_t GetCount() const { return m_Count; } - bool IsEmpty() const { return m_Count == 0; } - ItemType* Front() { return m_Front; } - const ItemType* Front() const { return m_Front; } - ItemType* Back() { return m_Back; } - const ItemType* Back() const { return m_Back; } - void PushBack(ItemType* item) - { - VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); - if(IsEmpty()) - { - m_Front = item; - m_Back = item; - m_Count = 1; - } - else - { - ItemTypeTraits::AccessPrev(item) = m_Back; - ItemTypeTraits::AccessNext(m_Back) = item; - m_Back = item; - ++m_Count; - } - } - void PushFront(ItemType* item) - { - VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); - if(IsEmpty()) - { - m_Front = item; - m_Back = item; - m_Count = 1; - } - else - { - ItemTypeTraits::AccessNext(item) = m_Front; - ItemTypeTraits::AccessPrev(m_Front) = item; - m_Front = item; - ++m_Count; - } - } - ItemType* PopBack() - { - VMA_HEAVY_ASSERT(m_Count > 0); - ItemType* const backItem = m_Back; - ItemType* const prevItem = ItemTypeTraits::GetPrev(backItem); - if(prevItem != VMA_NULL) - { - ItemTypeTraits::AccessNext(prevItem) = VMA_NULL; - } - m_Back = prevItem; - --m_Count; - ItemTypeTraits::AccessPrev(backItem) = VMA_NULL; - ItemTypeTraits::AccessNext(backItem) = VMA_NULL; - return backItem; - } - ItemType* PopFront() - { - VMA_HEAVY_ASSERT(m_Count > 0); - ItemType* const frontItem = m_Front; - ItemType* const nextItem = ItemTypeTraits::GetNext(frontItem); - if(nextItem != VMA_NULL) - { - ItemTypeTraits::AccessPrev(nextItem) = VMA_NULL; - } - m_Front = nextItem; - --m_Count; - ItemTypeTraits::AccessPrev(frontItem) = VMA_NULL; - ItemTypeTraits::AccessNext(frontItem) = VMA_NULL; - return frontItem; - } - - // MyItem can be null - it means PushBack. - void InsertBefore(ItemType* existingItem, ItemType* newItem) - { - VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); - if(existingItem != VMA_NULL) - { - ItemType* const prevItem = ItemTypeTraits::GetPrev(existingItem); - ItemTypeTraits::AccessPrev(newItem) = prevItem; - ItemTypeTraits::AccessNext(newItem) = existingItem; - ItemTypeTraits::AccessPrev(existingItem) = newItem; - if(prevItem != VMA_NULL) - { - ItemTypeTraits::AccessNext(prevItem) = newItem; - } - else - { - VMA_HEAVY_ASSERT(m_Front == existingItem); - m_Front = newItem; - } - ++m_Count; - } - else - PushBack(newItem); - } - // MyItem can be null - it means PushFront. - void InsertAfter(ItemType* existingItem, ItemType* newItem) - { - VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); - if(existingItem != VMA_NULL) - { - ItemType* const nextItem = ItemTypeTraits::GetNext(existingItem); - ItemTypeTraits::AccessNext(newItem) = nextItem; - ItemTypeTraits::AccessPrev(newItem) = existingItem; - ItemTypeTraits::AccessNext(existingItem) = newItem; - if(nextItem != VMA_NULL) - { - ItemTypeTraits::AccessPrev(nextItem) = newItem; - } - else - { - VMA_HEAVY_ASSERT(m_Back == existingItem); - m_Back = newItem; - } - ++m_Count; - } - else - return PushFront(newItem); - } - void Remove(ItemType* item) - { - VMA_HEAVY_ASSERT(item != VMA_NULL && m_Count > 0); - if(ItemTypeTraits::GetPrev(item) != VMA_NULL) - { - ItemTypeTraits::AccessNext(ItemTypeTraits::AccessPrev(item)) = ItemTypeTraits::GetNext(item); - } - else - { - VMA_HEAVY_ASSERT(m_Front == item); - m_Front = ItemTypeTraits::GetNext(item); - } - - if(ItemTypeTraits::GetNext(item) != VMA_NULL) - { - ItemTypeTraits::AccessPrev(ItemTypeTraits::AccessNext(item)) = ItemTypeTraits::GetPrev(item); - } - else - { - VMA_HEAVY_ASSERT(m_Back == item); - m_Back = ItemTypeTraits::GetPrev(item); - } - ItemTypeTraits::AccessPrev(item) = VMA_NULL; - ItemTypeTraits::AccessNext(item) = VMA_NULL; - --m_Count; - } -private: - ItemType* m_Front = VMA_NULL; - ItemType* m_Back = VMA_NULL; - size_t m_Count = 0; -}; - -//////////////////////////////////////////////////////////////////////////////// -// class VmaMap - -// Unused in this version. -#if 0 - -#if VMA_USE_STL_UNORDERED_MAP - -#define VmaPair std::pair - -#define VMA_MAP_TYPE(KeyT, ValueT) \ - std::unordered_map< KeyT, ValueT, std::hash, std::equal_to, VmaStlAllocator< std::pair > > - -#else // #if VMA_USE_STL_UNORDERED_MAP - -template -struct VmaPair -{ - T1 first; - T2 second; - - VmaPair() : first(), second() { } - VmaPair(const T1& firstSrc, const T2& secondSrc) : first(firstSrc), second(secondSrc) { } -}; - -/* Class compatible with subset of interface of std::unordered_map. -KeyT, ValueT must be POD because they will be stored in VmaVector. -*/ -template -class VmaMap -{ -public: - typedef VmaPair PairType; - typedef PairType* iterator; - - VmaMap(const VmaStlAllocator& allocator) : m_Vector(allocator) { } - - iterator begin() { return m_Vector.begin(); } - iterator end() { return m_Vector.end(); } - - void insert(const PairType& pair); - iterator find(const KeyT& key); - void erase(iterator it); - -private: - VmaVector< PairType, VmaStlAllocator > m_Vector; -}; - -#define VMA_MAP_TYPE(KeyT, ValueT) VmaMap - -template -struct VmaPairFirstLess -{ - bool operator()(const VmaPair& lhs, const VmaPair& rhs) const - { - return lhs.first < rhs.first; - } - bool operator()(const VmaPair& lhs, const FirstT& rhsFirst) const - { - return lhs.first < rhsFirst; - } -}; - -template -void VmaMap::insert(const PairType& pair) -{ - const size_t indexToInsert = VmaBinaryFindFirstNotLess( - m_Vector.data(), - m_Vector.data() + m_Vector.size(), - pair, - VmaPairFirstLess()) - m_Vector.data(); - VmaVectorInsert(m_Vector, indexToInsert, pair); -} - -template -VmaPair* VmaMap::find(const KeyT& key) -{ - PairType* it = VmaBinaryFindFirstNotLess( - m_Vector.data(), - m_Vector.data() + m_Vector.size(), - key, - VmaPairFirstLess()); - if((it != m_Vector.end()) && (it->first == key)) - { - return it; - } - else - { - return m_Vector.end(); - } -} - -template -void VmaMap::erase(iterator it) -{ - VmaVectorRemove(m_Vector, it - m_Vector.begin()); -} - -#endif // #if VMA_USE_STL_UNORDERED_MAP - -#endif // #if 0 - -//////////////////////////////////////////////////////////////////////////////// - -class VmaDeviceMemoryBlock; - -enum VMA_CACHE_OPERATION { VMA_CACHE_FLUSH, VMA_CACHE_INVALIDATE }; - -struct VmaAllocation_T -{ -private: - static const uint8_t MAP_COUNT_FLAG_PERSISTENT_MAP = 0x80; - - enum FLAGS - { - FLAG_USER_DATA_STRING = 0x01, - }; - -public: - enum ALLOCATION_TYPE - { - ALLOCATION_TYPE_NONE, - ALLOCATION_TYPE_BLOCK, - ALLOCATION_TYPE_DEDICATED, - }; - - /* - This struct is allocated using VmaPoolAllocator. - */ - - VmaAllocation_T(uint32_t currentFrameIndex, bool userDataString) : - m_Alignment{1}, - m_Size{0}, - m_pUserData{VMA_NULL}, - m_LastUseFrameIndex{currentFrameIndex}, - m_MemoryTypeIndex{0}, - m_Type{(uint8_t)ALLOCATION_TYPE_NONE}, - m_SuballocationType{(uint8_t)VMA_SUBALLOCATION_TYPE_UNKNOWN}, - m_MapCount{0}, - m_Flags{userDataString ? (uint8_t)FLAG_USER_DATA_STRING : (uint8_t)0} - { -#if VMA_STATS_STRING_ENABLED - m_CreationFrameIndex = currentFrameIndex; - m_BufferImageUsage = 0; -#endif - } - - ~VmaAllocation_T() - { - VMA_ASSERT((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) == 0 && "Allocation was not unmapped before destruction."); - - // Check if owned string was freed. - VMA_ASSERT(m_pUserData == VMA_NULL); - } - - void InitBlockAllocation( - VmaDeviceMemoryBlock* block, - VkDeviceSize offset, - VkDeviceSize alignment, - VkDeviceSize size, - uint32_t memoryTypeIndex, - VmaSuballocationType suballocationType, - bool mapped, - bool canBecomeLost) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(block != VMA_NULL); - m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; - m_Alignment = alignment; - m_Size = size; - m_MemoryTypeIndex = memoryTypeIndex; - m_MapCount = mapped ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; - m_SuballocationType = (uint8_t)suballocationType; - m_BlockAllocation.m_Block = block; - m_BlockAllocation.m_Offset = offset; - m_BlockAllocation.m_CanBecomeLost = canBecomeLost; - } - - void InitLost() - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(m_LastUseFrameIndex.load() == VMA_FRAME_INDEX_LOST); - m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; - m_MemoryTypeIndex = 0; - m_BlockAllocation.m_Block = VMA_NULL; - m_BlockAllocation.m_Offset = 0; - m_BlockAllocation.m_CanBecomeLost = true; - } - - void ChangeBlockAllocation( - VmaAllocator hAllocator, - VmaDeviceMemoryBlock* block, - VkDeviceSize offset); - - void ChangeOffset(VkDeviceSize newOffset); - - // pMappedData not null means allocation is created with MAPPED flag. - void InitDedicatedAllocation( - uint32_t memoryTypeIndex, - VkDeviceMemory hMemory, - VmaSuballocationType suballocationType, - void* pMappedData, - VkDeviceSize size) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(hMemory != VK_NULL_HANDLE); - m_Type = (uint8_t)ALLOCATION_TYPE_DEDICATED; - m_Alignment = 0; - m_Size = size; - m_MemoryTypeIndex = memoryTypeIndex; - m_SuballocationType = (uint8_t)suballocationType; - m_MapCount = (pMappedData != VMA_NULL) ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; - m_DedicatedAllocation.m_hMemory = hMemory; - m_DedicatedAllocation.m_pMappedData = pMappedData; - m_DedicatedAllocation.m_Prev = VMA_NULL; - m_DedicatedAllocation.m_Next = VMA_NULL; - } - - ALLOCATION_TYPE GetType() const { return (ALLOCATION_TYPE)m_Type; } - VkDeviceSize GetAlignment() const { return m_Alignment; } - VkDeviceSize GetSize() const { return m_Size; } - bool IsUserDataString() const { return (m_Flags & FLAG_USER_DATA_STRING) != 0; } - void* GetUserData() const { return m_pUserData; } - void SetUserData(VmaAllocator hAllocator, void* pUserData); - VmaSuballocationType GetSuballocationType() const { return (VmaSuballocationType)m_SuballocationType; } - - VmaDeviceMemoryBlock* GetBlock() const - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); - return m_BlockAllocation.m_Block; - } - VkDeviceSize GetOffset() const; - VkDeviceMemory GetMemory() const; - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - bool IsPersistentMap() const { return (m_MapCount & MAP_COUNT_FLAG_PERSISTENT_MAP) != 0; } - void* GetMappedData() const; - bool CanBecomeLost() const; - - uint32_t GetLastUseFrameIndex() const - { - return m_LastUseFrameIndex.load(); - } - bool CompareExchangeLastUseFrameIndex(uint32_t& expected, uint32_t desired) - { - return m_LastUseFrameIndex.compare_exchange_weak(expected, desired); - } - /* - - If hAllocation.LastUseFrameIndex + frameInUseCount < allocator.CurrentFrameIndex, - makes it lost by setting LastUseFrameIndex = VMA_FRAME_INDEX_LOST and returns true. - - Else, returns false. - - If hAllocation is already lost, assert - you should not call it then. - If hAllocation was not created with CAN_BECOME_LOST_BIT, assert. - */ - bool MakeLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - void DedicatedAllocCalcStatsInfo(VmaStatInfo& outInfo) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_DEDICATED); - outInfo.blockCount = 1; - outInfo.allocationCount = 1; - outInfo.unusedRangeCount = 0; - outInfo.usedBytes = m_Size; - outInfo.unusedBytes = 0; - outInfo.allocationSizeMin = outInfo.allocationSizeMax = m_Size; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; - } - - void BlockAllocMap(); - void BlockAllocUnmap(); - VkResult DedicatedAllocMap(VmaAllocator hAllocator, void** ppData); - void DedicatedAllocUnmap(VmaAllocator hAllocator); - -#if VMA_STATS_STRING_ENABLED - uint32_t GetCreationFrameIndex() const { return m_CreationFrameIndex; } - uint32_t GetBufferImageUsage() const { return m_BufferImageUsage; } - - void InitBufferImageUsage(uint32_t bufferImageUsage) - { - VMA_ASSERT(m_BufferImageUsage == 0); - m_BufferImageUsage = bufferImageUsage; - } - - void PrintParameters(class VmaJsonWriter& json) const; -#endif - -private: - VkDeviceSize m_Alignment; - VkDeviceSize m_Size; - void* m_pUserData; - VMA_ATOMIC_UINT32 m_LastUseFrameIndex; - uint32_t m_MemoryTypeIndex; - uint8_t m_Type; // ALLOCATION_TYPE - uint8_t m_SuballocationType; // VmaSuballocationType - // Bit 0x80 is set when allocation was created with VMA_ALLOCATION_CREATE_MAPPED_BIT. - // Bits with mask 0x7F are reference counter for vmaMapMemory()/vmaUnmapMemory(). - uint8_t m_MapCount; - uint8_t m_Flags; // enum FLAGS - - // Allocation out of VmaDeviceMemoryBlock. - struct BlockAllocation - { - VmaDeviceMemoryBlock* m_Block; - VkDeviceSize m_Offset; - bool m_CanBecomeLost; - }; - - // Allocation for an object that has its own private VkDeviceMemory. - struct DedicatedAllocation - { - VkDeviceMemory m_hMemory; - void* m_pMappedData; // Not null means memory is mapped. - VmaAllocation_T* m_Prev; - VmaAllocation_T* m_Next; - }; - - union - { - // Allocation out of VmaDeviceMemoryBlock. - BlockAllocation m_BlockAllocation; - // Allocation for an object that has its own private VkDeviceMemory. - DedicatedAllocation m_DedicatedAllocation; - }; - -#if VMA_STATS_STRING_ENABLED - uint32_t m_CreationFrameIndex; - uint32_t m_BufferImageUsage; // 0 if unknown. -#endif - - void FreeUserDataString(VmaAllocator hAllocator); - - friend struct VmaDedicatedAllocationListItemTraits; -}; - -struct VmaDedicatedAllocationListItemTraits -{ - typedef VmaAllocation_T ItemType; - static ItemType* GetPrev(const ItemType* item) - { - VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); - return item->m_DedicatedAllocation.m_Prev; - } - static ItemType* GetNext(const ItemType* item) - { - VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); - return item->m_DedicatedAllocation.m_Next; - } - static ItemType*& AccessPrev(ItemType* item) - { - VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); - return item->m_DedicatedAllocation.m_Prev; - } - static ItemType*& AccessNext(ItemType* item){ - VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); - return item->m_DedicatedAllocation.m_Next; - } -}; - -/* -Represents a region of VmaDeviceMemoryBlock that is either assigned and returned as -allocated memory block or free. -*/ -struct VmaSuballocation -{ - VkDeviceSize offset; - VkDeviceSize size; - VmaAllocation hAllocation; - VmaSuballocationType type; -}; - -// Comparator for offsets. -struct VmaSuballocationOffsetLess -{ - bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const - { - return lhs.offset < rhs.offset; - } -}; -struct VmaSuballocationOffsetGreater -{ - bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const - { - return lhs.offset > rhs.offset; - } -}; - -typedef VmaList< VmaSuballocation, VmaStlAllocator > VmaSuballocationList; - -// Cost of one additional allocation lost, as equivalent in bytes. -static const VkDeviceSize VMA_LOST_ALLOCATION_COST = 1048576; - -enum class VmaAllocationRequestType -{ - Normal, - // Used by "Linear" algorithm. - UpperAddress, - EndOf1st, - EndOf2nd, -}; - -/* -Parameters of planned allocation inside a VmaDeviceMemoryBlock. - -If canMakeOtherLost was false: -- item points to a FREE suballocation. -- itemsToMakeLostCount is 0. - -If canMakeOtherLost was true: -- item points to first of sequence of suballocations, which are either FREE, - or point to VmaAllocations that can become lost. -- itemsToMakeLostCount is the number of VmaAllocations that need to be made lost for - the requested allocation to succeed. -*/ -struct VmaAllocationRequest -{ - VkDeviceSize offset; - VkDeviceSize sumFreeSize; // Sum size of free items that overlap with proposed allocation. - VkDeviceSize sumItemSize; // Sum size of items to make lost that overlap with proposed allocation. - VmaSuballocationList::iterator item; - size_t itemsToMakeLostCount; - void* customData; - VmaAllocationRequestType type; - - VkDeviceSize CalcCost() const - { - return sumItemSize + itemsToMakeLostCount * VMA_LOST_ALLOCATION_COST; - } -}; - -/* -Data structure used for bookkeeping of allocations and unused ranges of memory -in a single VkDeviceMemory block. -*/ -class VmaBlockMetadata -{ -public: - VmaBlockMetadata(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata() { } - virtual void Init(VkDeviceSize size) { m_Size = size; } - - // Validates all data structures inside this object. If not valid, returns false. - virtual bool Validate() const = 0; - VkDeviceSize GetSize() const { return m_Size; } - virtual size_t GetAllocationCount() const = 0; - virtual VkDeviceSize GetSumFreeSize() const = 0; - virtual VkDeviceSize GetUnusedRangeSizeMax() const = 0; - // Returns true if this block is empty - contains only single free suballocation. - virtual bool IsEmpty() const = 0; - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const = 0; - // Shouldn't modify blockCount. - virtual void AddPoolStats(VmaPoolStats& inoutStats) const = 0; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const = 0; -#endif - - // Tries to find a place for suballocation with given parameters inside this block. - // If succeeded, fills pAllocationRequest and returns true. - // If failed, returns false. - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - // Always one of VMA_ALLOCATION_CREATE_STRATEGY_* or VMA_ALLOCATION_INTERNAL_STRATEGY_* flags. - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) = 0; - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) = 0; - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) = 0; - - virtual VkResult CheckCorruption(const void* pBlockData) = 0; - - // Makes actual allocation based on request. Request must already be checked and valid. - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) = 0; - - // Frees suballocation assigned to given memory region. - virtual void Free(const VmaAllocation allocation) = 0; - virtual void FreeAtOffset(VkDeviceSize offset) = 0; - -protected: - const VkAllocationCallbacks* GetAllocationCallbacks() const { return m_pAllocationCallbacks; } - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap_Begin(class VmaJsonWriter& json, - VkDeviceSize unusedBytes, - size_t allocationCount, - size_t unusedRangeCount) const; - void PrintDetailedMap_Allocation(class VmaJsonWriter& json, - VkDeviceSize offset, - VmaAllocation hAllocation) const; - void PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, - VkDeviceSize offset, - VkDeviceSize size) const; - void PrintDetailedMap_End(class VmaJsonWriter& json) const; -#endif - -private: - VkDeviceSize m_Size; - const VkAllocationCallbacks* m_pAllocationCallbacks; -}; - -#define VMA_VALIDATE(cond) do { if(!(cond)) { \ - VMA_ASSERT(0 && "Validation failed: " #cond); \ - return false; \ - } } while(false) - -class VmaBlockMetadata_Generic : public VmaBlockMetadata -{ - VMA_CLASS_NO_COPY(VmaBlockMetadata_Generic) -public: - VmaBlockMetadata_Generic(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Generic(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const { return m_Suballocations.size() - m_FreeCount; } - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize; } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const; - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* pBlockData); - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation); - virtual void FreeAtOffset(VkDeviceSize offset); - - //////////////////////////////////////////////////////////////////////////////// - // For defragmentation - - bool IsBufferImageGranularityConflictPossible( - VkDeviceSize bufferImageGranularity, - VmaSuballocationType& inOutPrevSuballocType) const; - -private: - friend class VmaDefragmentationAlgorithm_Generic; - friend class VmaDefragmentationAlgorithm_Fast; - - uint32_t m_FreeCount; - VkDeviceSize m_SumFreeSize; - VmaSuballocationList m_Suballocations; - // Suballocations that are free and have size greater than certain threshold. - // Sorted by size, ascending. - VmaVector< VmaSuballocationList::iterator, VmaStlAllocator< VmaSuballocationList::iterator > > m_FreeSuballocationsBySize; - - bool ValidateFreeSuballocationList() const; - - // Checks if requested suballocation with given parameters can be placed in given pFreeSuballocItem. - // If yes, fills pOffset and returns true. If no, returns false. - bool CheckAllocation( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - VmaSuballocationList::const_iterator suballocItem, - bool canMakeOtherLost, - VkDeviceSize* pOffset, - size_t* itemsToMakeLostCount, - VkDeviceSize* pSumFreeSize, - VkDeviceSize* pSumItemSize) const; - // Given free suballocation, it merges it with following one, which must also be free. - void MergeFreeWithNext(VmaSuballocationList::iterator item); - // Releases given suballocation, making it free. - // Merges it with adjacent free suballocations if applicable. - // Returns iterator to new free suballocation at this place. - VmaSuballocationList::iterator FreeSuballocation(VmaSuballocationList::iterator suballocItem); - // Given free suballocation, it inserts it into sorted list of - // m_FreeSuballocationsBySize if it's suitable. - void RegisterFreeSuballocation(VmaSuballocationList::iterator item); - // Given free suballocation, it removes it from sorted list of - // m_FreeSuballocationsBySize if it's suitable. - void UnregisterFreeSuballocation(VmaSuballocationList::iterator item); -}; - -/* -Allocations and their references in internal data structure look like this: - -if(m_2ndVectorMode == SECOND_VECTOR_EMPTY): - - 0 +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | - | | - | | -GetSize() +-------+ - -if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER): - - 0 +-------+ - | Alloc | 2nd[0] - +-------+ - | Alloc | 2nd[1] - +-------+ - | ... | - +-------+ - | Alloc | 2nd[2nd.size() - 1] - +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | -GetSize() +-------+ - -if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK): - - 0 +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | - | | - | | - +-------+ - | Alloc | 2nd[2nd.size() - 1] - +-------+ - | ... | - +-------+ - | Alloc | 2nd[1] - +-------+ - | Alloc | 2nd[0] -GetSize() +-------+ - -*/ -class VmaBlockMetadata_Linear : public VmaBlockMetadata -{ - VMA_CLASS_NO_COPY(VmaBlockMetadata_Linear) -public: - VmaBlockMetadata_Linear(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Linear(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const; - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize; } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const { return GetAllocationCount() == 0; } - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* pBlockData); - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation); - virtual void FreeAtOffset(VkDeviceSize offset); - -private: - /* - There are two suballocation vectors, used in ping-pong way. - The one with index m_1stVectorIndex is called 1st. - The one with index (m_1stVectorIndex ^ 1) is called 2nd. - 2nd can be non-empty only when 1st is not empty. - When 2nd is not empty, m_2ndVectorMode indicates its mode of operation. - */ - typedef VmaVector< VmaSuballocation, VmaStlAllocator > SuballocationVectorType; - - enum SECOND_VECTOR_MODE - { - SECOND_VECTOR_EMPTY, - /* - Suballocations in 2nd vector are created later than the ones in 1st, but they - all have smaller offset. - */ - SECOND_VECTOR_RING_BUFFER, - /* - Suballocations in 2nd vector are upper side of double stack. - They all have offsets higher than those in 1st vector. - Top of this stack means smaller offsets, but higher indices in this vector. - */ - SECOND_VECTOR_DOUBLE_STACK, - }; - - VkDeviceSize m_SumFreeSize; - SuballocationVectorType m_Suballocations0, m_Suballocations1; - uint32_t m_1stVectorIndex; - SECOND_VECTOR_MODE m_2ndVectorMode; - - SuballocationVectorType& AccessSuballocations1st() { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } - SuballocationVectorType& AccessSuballocations2nd() { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } - const SuballocationVectorType& AccessSuballocations1st() const { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } - const SuballocationVectorType& AccessSuballocations2nd() const { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } - - // Number of items in 1st vector with hAllocation = null at the beginning. - size_t m_1stNullItemsBeginCount; - // Number of other items in 1st vector with hAllocation = null somewhere in the middle. - size_t m_1stNullItemsMiddleCount; - // Number of items in 2nd vector with hAllocation = null. - size_t m_2ndNullItemsCount; - - bool ShouldCompact1st() const; - void CleanupAfterFree(); - - bool CreateAllocationRequest_LowerAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - bool CreateAllocationRequest_UpperAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); -}; - -/* -- GetSize() is the original size of allocated memory block. -- m_UsableSize is this size aligned down to a power of two. - All allocations and calculations happen relative to m_UsableSize. -- GetUnusableSize() is the difference between them. - It is reported as separate, unused range, not available for allocations. - -Node at level 0 has size = m_UsableSize. -Each next level contains nodes with size 2 times smaller than current level. -m_LevelCount is the maximum number of levels to use in the current object. -*/ -class VmaBlockMetadata_Buddy : public VmaBlockMetadata -{ - VMA_CLASS_NO_COPY(VmaBlockMetadata_Buddy) -public: - VmaBlockMetadata_Buddy(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Buddy(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const { return m_AllocationCount; } - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize + GetUnusableSize(); } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const { return m_Root->type == Node::TYPE_FREE; } - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* pBlockData) { return VK_ERROR_FEATURE_NOT_PRESENT; } - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation) { FreeAtOffset(allocation, allocation->GetOffset()); } - virtual void FreeAtOffset(VkDeviceSize offset) { FreeAtOffset(VMA_NULL, offset); } - -private: - static const VkDeviceSize MIN_NODE_SIZE = 32; - static const size_t MAX_LEVELS = 30; - - struct ValidationContext - { - size_t calculatedAllocationCount; - size_t calculatedFreeCount; - VkDeviceSize calculatedSumFreeSize; - - ValidationContext() : - calculatedAllocationCount(0), - calculatedFreeCount(0), - calculatedSumFreeSize(0) { } - }; - - struct Node - { - VkDeviceSize offset; - enum TYPE - { - TYPE_FREE, - TYPE_ALLOCATION, - TYPE_SPLIT, - TYPE_COUNT - } type; - Node* parent; - Node* buddy; - - union - { - struct - { - Node* prev; - Node* next; - } free; - struct - { - VmaAllocation alloc; - } allocation; - struct - { - Node* leftChild; - } split; - }; - }; - - // Size of the memory block aligned down to a power of two. - VkDeviceSize m_UsableSize; - uint32_t m_LevelCount; - - Node* m_Root; - struct { - Node* front; - Node* back; - } m_FreeList[MAX_LEVELS]; - // Number of nodes in the tree with type == TYPE_ALLOCATION. - size_t m_AllocationCount; - // Number of nodes in the tree with type == TYPE_FREE. - size_t m_FreeCount; - // This includes space wasted due to internal fragmentation. Doesn't include unusable size. - VkDeviceSize m_SumFreeSize; - - VkDeviceSize GetUnusableSize() const { return GetSize() - m_UsableSize; } - void DeleteNode(Node* node); - bool ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const; - uint32_t AllocSizeToLevel(VkDeviceSize allocSize) const; - inline VkDeviceSize LevelToNodeSize(uint32_t level) const { return m_UsableSize >> level; } - // Alloc passed just for validation. Can be null. - void FreeAtOffset(VmaAllocation alloc, VkDeviceSize offset); - void CalcAllocationStatInfoNode(VmaStatInfo& outInfo, const Node* node, VkDeviceSize levelNodeSize) const; - // Adds node to the front of FreeList at given level. - // node->type must be FREE. - // node->free.prev, next can be undefined. - void AddToFreeListFront(uint32_t level, Node* node); - // Removes node from FreeList at given level. - // node->type must be FREE. - // node->free.prev, next stay untouched. - void RemoveFromFreeList(uint32_t level, Node* node); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const; -#endif -}; - -struct VmaBlockVector; - -/* -Represents a single block of device memory (`VkDeviceMemory`) with all the -data about its regions (aka suballocations, #VmaAllocation), assigned and free. - -Thread-safety: This class must be externally synchronized. -*/ -class VmaDeviceMemoryBlock -{ - VMA_CLASS_NO_COPY(VmaDeviceMemoryBlock) -public: - VmaBlockMetadata* m_pMetadata; - - VmaDeviceMemoryBlock(VmaAllocator hAllocator); - - ~VmaDeviceMemoryBlock() - { - VMA_ASSERT(m_MapCount == 0 && "VkDeviceMemory block is being destroyed while it is still mapped."); - VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); - } - - // Always call after construction. - void Init( - VmaAllocator hAllocator, - VmaBlockVector* parentBlockVector, - VmaPool hParentPool, - uint32_t newMemoryTypeIndex, - VkDeviceMemory newMemory, - VkDeviceSize newSize, - uint32_t id, - uint32_t algorithm); - // Always call before destruction. - void Destroy(VmaAllocator allocator); - - VmaBlockVector* GetParentBlockVector() const { return m_ParentBlockVector; } - VmaPool GetParentPool() const { return m_hParentPool; } - VkDeviceMemory GetDeviceMemory() const { return m_hMemory; } - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - uint32_t GetId() const { return m_Id; } - void* GetMappedData() const { return m_pMappedData; } - - // Validates all data structures inside this object. If not valid, returns false. - bool Validate() const; - - VkResult CheckCorruption(VmaAllocator hAllocator); - - // ppData can be null. - VkResult Map(VmaAllocator hAllocator, uint32_t count, void** ppData); - void Unmap(VmaAllocator hAllocator, uint32_t count); - - VkResult WriteMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); - VkResult ValidateMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); - - VkResult BindBufferMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext); - VkResult BindImageMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext); - -private: - VmaBlockVector* m_ParentBlockVector = VMA_NULL; - VmaPool m_hParentPool = VK_NULL_HANDLE; // VK_NULL_HANDLE if not belongs to custom pool. - uint32_t m_MemoryTypeIndex = UINT32_MAX; - uint32_t m_Id = 0; - VkDeviceMemory m_hMemory = VK_NULL_HANDLE; - - /* - Protects access to m_hMemory so it's not used by multiple threads simultaneously, e.g. vkMapMemory, vkBindBufferMemory. - Also protects m_MapCount, m_pMappedData. - Allocations, deallocations, any change in m_pMetadata is protected by parent's VmaBlockVector::m_Mutex. - */ - VMA_MUTEX m_Mutex; - uint32_t m_MapCount = 0; - void* m_pMappedData = VMA_NULL; -}; - -struct VmaDefragmentationMove -{ - size_t srcBlockIndex; - size_t dstBlockIndex; - VkDeviceSize srcOffset; - VkDeviceSize dstOffset; - VkDeviceSize size; - VmaAllocation hAllocation; - VmaDeviceMemoryBlock* pSrcBlock; - VmaDeviceMemoryBlock* pDstBlock; -}; - -class VmaDefragmentationAlgorithm; - -/* -Sequence of VmaDeviceMemoryBlock. Represents memory blocks allocated for a specific -Vulkan memory type. - -Synchronized internally with a mutex. -*/ -struct VmaBlockVector -{ - VMA_CLASS_NO_COPY(VmaBlockVector) -public: - VmaBlockVector( - VmaAllocator hAllocator, - VmaPool hParentPool, - uint32_t memoryTypeIndex, - VkDeviceSize preferredBlockSize, - size_t minBlockCount, - size_t maxBlockCount, - VkDeviceSize bufferImageGranularity, - uint32_t frameInUseCount, - bool explicitBlockSize, - uint32_t algorithm, - float priority, - VkDeviceSize minAllocationAlignment, - void* pMemoryAllocateNext); - ~VmaBlockVector(); - - VkResult CreateMinBlocks(); - - VmaAllocator GetAllocator() const { return m_hAllocator; } - VmaPool GetParentPool() const { return m_hParentPool; } - bool IsCustomPool() const { return m_hParentPool != VMA_NULL; } - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - VkDeviceSize GetPreferredBlockSize() const { return m_PreferredBlockSize; } - VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } - uint32_t GetFrameInUseCount() const { return m_FrameInUseCount; } - uint32_t GetAlgorithm() const { return m_Algorithm; } - - void GetPoolStats(VmaPoolStats* pStats); - - bool IsEmpty(); - bool IsCorruptionDetectionEnabled() const; - - VkResult Allocate( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - void Free(const VmaAllocation hAllocation); - - // Adds statistics of this BlockVector to pStats. - void AddStats(VmaStats* pStats); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap(class VmaJsonWriter& json); -#endif - - void MakePoolAllocationsLost( - uint32_t currentFrameIndex, - size_t* pLostAllocationCount); - VkResult CheckCorruption(); - - // Saves results in pCtx->res. - void Defragment( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags, - VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, - VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer); - void DefragmentationEnd( - class VmaBlockVectorDefragmentationContext* pCtx, - uint32_t flags, - VmaDefragmentationStats* pStats); - - uint32_t ProcessDefragmentations( - class VmaBlockVectorDefragmentationContext *pCtx, - VmaDefragmentationPassMoveInfo* pMove, uint32_t maxMoves); - - void CommitDefragmentations( - class VmaBlockVectorDefragmentationContext *pCtx, - VmaDefragmentationStats* pStats); - - //////////////////////////////////////////////////////////////////////////////// - // To be used only while the m_Mutex is locked. Used during defragmentation. - - size_t GetBlockCount() const { return m_Blocks.size(); } - VmaDeviceMemoryBlock* GetBlock(size_t index) const { return m_Blocks[index]; } - size_t CalcAllocationCount() const; - bool IsBufferImageGranularityConflictPossible() const; - -private: - friend class VmaDefragmentationAlgorithm_Generic; - - const VmaAllocator m_hAllocator; - const VmaPool m_hParentPool; - const uint32_t m_MemoryTypeIndex; - const VkDeviceSize m_PreferredBlockSize; - const size_t m_MinBlockCount; - const size_t m_MaxBlockCount; - const VkDeviceSize m_BufferImageGranularity; - const uint32_t m_FrameInUseCount; - const bool m_ExplicitBlockSize; - const uint32_t m_Algorithm; - const float m_Priority; - const VkDeviceSize m_MinAllocationAlignment; - void* const m_pMemoryAllocateNext; - VMA_RW_MUTEX m_Mutex; - - /* There can be at most one allocation that is completely empty (except when minBlockCount > 0) - - a hysteresis to avoid pessimistic case of alternating creation and destruction of a VkDeviceMemory. */ - bool m_HasEmptyBlock; - // Incrementally sorted by sumFreeSize, ascending. - VmaVector< VmaDeviceMemoryBlock*, VmaStlAllocator > m_Blocks; - uint32_t m_NextBlockId; - - VkDeviceSize CalcMaxBlockSize() const; - - // Finds and removes given block from vector. - void Remove(VmaDeviceMemoryBlock* pBlock); - - // Performs single step in sorting m_Blocks. They may not be fully sorted - // after this call. - void IncrementallySortBlocks(); - - VkResult AllocatePage( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - VmaAllocation* pAllocation); - - // To be used only without CAN_MAKE_OTHER_LOST flag. - VkResult AllocateFromBlock( - VmaDeviceMemoryBlock* pBlock, - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - VmaAllocationCreateFlags allocFlags, - void* pUserData, - VmaSuballocationType suballocType, - uint32_t strategy, - VmaAllocation* pAllocation); - - VkResult CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex); - - // Saves result to pCtx->res. - void ApplyDefragmentationMovesCpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves); - // Saves result to pCtx->res. - void ApplyDefragmentationMovesGpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkCommandBuffer commandBuffer); - - /* - Used during defragmentation. pDefragmentationStats is optional. It's in/out - - updated with new data. - */ - void FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats); - - void UpdateHasEmptyBlock(); -}; - -struct VmaPool_T -{ - VMA_CLASS_NO_COPY(VmaPool_T) -public: - VmaBlockVector m_BlockVector; - - VmaPool_T( - VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize); - ~VmaPool_T(); - - uint32_t GetId() const { return m_Id; } - void SetId(uint32_t id) { VMA_ASSERT(m_Id == 0); m_Id = id; } - - const char* GetName() const { return m_Name; } - void SetName(const char* pName); - -#if VMA_STATS_STRING_ENABLED - //void PrintDetailedMap(class VmaStringBuilder& sb); -#endif - -private: - uint32_t m_Id; - char* m_Name; - VmaPool_T* m_PrevPool = VMA_NULL; - VmaPool_T* m_NextPool = VMA_NULL; - friend struct VmaPoolListItemTraits; -}; - -struct VmaPoolListItemTraits -{ - typedef VmaPool_T ItemType; - static ItemType* GetPrev(const ItemType* item) { return item->m_PrevPool; } - static ItemType* GetNext(const ItemType* item) { return item->m_NextPool; } - static ItemType*& AccessPrev(ItemType* item) { return item->m_PrevPool; } - static ItemType*& AccessNext(ItemType* item) { return item->m_NextPool; } -}; - -/* -Performs defragmentation: - -- Updates `pBlockVector->m_pMetadata`. -- Updates allocations by calling ChangeBlockAllocation() or ChangeOffset(). -- Does not move actual data, only returns requested moves as `moves`. -*/ -class VmaDefragmentationAlgorithm -{ - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm) -public: - VmaDefragmentationAlgorithm( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex) : - m_hAllocator(hAllocator), - m_pBlockVector(pBlockVector), - m_CurrentFrameIndex(currentFrameIndex) - { - } - virtual ~VmaDefragmentationAlgorithm() - { - } - - virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) = 0; - virtual void AddAll() = 0; - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - VmaDefragmentationFlags flags) = 0; - - virtual VkDeviceSize GetBytesMoved() const = 0; - virtual uint32_t GetAllocationsMoved() const = 0; - -protected: - VmaAllocator const m_hAllocator; - VmaBlockVector* const m_pBlockVector; - const uint32_t m_CurrentFrameIndex; - - struct AllocationInfo - { - VmaAllocation m_hAllocation; - VkBool32* m_pChanged; - - AllocationInfo() : - m_hAllocation(VK_NULL_HANDLE), - m_pChanged(VMA_NULL) - { - } - AllocationInfo(VmaAllocation hAlloc, VkBool32* pChanged) : - m_hAllocation(hAlloc), - m_pChanged(pChanged) - { - } - }; -}; - -class VmaDefragmentationAlgorithm_Generic : public VmaDefragmentationAlgorithm -{ - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Generic) -public: - VmaDefragmentationAlgorithm_Generic( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported); - virtual ~VmaDefragmentationAlgorithm_Generic(); - - virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); - virtual void AddAll() { m_AllAllocations = true; } - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - VmaDefragmentationFlags flags); - - virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } - virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } - -private: - uint32_t m_AllocationCount; - bool m_AllAllocations; - - VkDeviceSize m_BytesMoved; - uint32_t m_AllocationsMoved; - - struct AllocationInfoSizeGreater - { - bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const - { - return lhs.m_hAllocation->GetSize() > rhs.m_hAllocation->GetSize(); - } - }; - - struct AllocationInfoOffsetGreater - { - bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const - { - return lhs.m_hAllocation->GetOffset() > rhs.m_hAllocation->GetOffset(); - } - }; - - struct BlockInfo - { - size_t m_OriginalBlockIndex; - VmaDeviceMemoryBlock* m_pBlock; - bool m_HasNonMovableAllocations; - VmaVector< AllocationInfo, VmaStlAllocator > m_Allocations; - - BlockInfo(const VkAllocationCallbacks* pAllocationCallbacks) : - m_OriginalBlockIndex(SIZE_MAX), - m_pBlock(VMA_NULL), - m_HasNonMovableAllocations(true), - m_Allocations(pAllocationCallbacks) - { - } - - void CalcHasNonMovableAllocations() - { - const size_t blockAllocCount = m_pBlock->m_pMetadata->GetAllocationCount(); - const size_t defragmentAllocCount = m_Allocations.size(); - m_HasNonMovableAllocations = blockAllocCount != defragmentAllocCount; - } - - void SortAllocationsBySizeDescending() - { - VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoSizeGreater()); - } - - void SortAllocationsByOffsetDescending() - { - VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoOffsetGreater()); - } - }; - - struct BlockPointerLess - { - bool operator()(const BlockInfo* pLhsBlockInfo, const VmaDeviceMemoryBlock* pRhsBlock) const - { - return pLhsBlockInfo->m_pBlock < pRhsBlock; - } - bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const - { - return pLhsBlockInfo->m_pBlock < pRhsBlockInfo->m_pBlock; - } - }; - - // 1. Blocks with some non-movable allocations go first. - // 2. Blocks with smaller sumFreeSize go first. - struct BlockInfoCompareMoveDestination - { - bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const - { - if(pLhsBlockInfo->m_HasNonMovableAllocations && !pRhsBlockInfo->m_HasNonMovableAllocations) - { - return true; - } - if(!pLhsBlockInfo->m_HasNonMovableAllocations && pRhsBlockInfo->m_HasNonMovableAllocations) - { - return false; - } - if(pLhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize() < pRhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize()) - { - return true; - } - return false; - } - }; - - typedef VmaVector< BlockInfo*, VmaStlAllocator > BlockInfoVector; - BlockInfoVector m_Blocks; - - VkResult DefragmentRound( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - bool freeOldAllocations); - - size_t CalcBlocksWithNonMovableCount() const; - - static bool MoveMakesSense( - size_t dstBlockIndex, VkDeviceSize dstOffset, - size_t srcBlockIndex, VkDeviceSize srcOffset); -}; - -class VmaDefragmentationAlgorithm_Fast : public VmaDefragmentationAlgorithm -{ - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Fast) -public: - VmaDefragmentationAlgorithm_Fast( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported); - virtual ~VmaDefragmentationAlgorithm_Fast(); - - virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) { ++m_AllocationCount; } - virtual void AddAll() { m_AllAllocations = true; } - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - VmaDefragmentationFlags flags); - - virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } - virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } - -private: - struct BlockInfo - { - size_t origBlockIndex; - }; - - class FreeSpaceDatabase - { - public: - FreeSpaceDatabase() - { - FreeSpace s = {}; - s.blockInfoIndex = SIZE_MAX; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - m_FreeSpaces[i] = s; - } - } - - void Register(size_t blockInfoIndex, VkDeviceSize offset, VkDeviceSize size) - { - if(size < VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - return; - } - - // Find first invalid or the smallest structure. - size_t bestIndex = SIZE_MAX; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - // Empty structure. - if(m_FreeSpaces[i].blockInfoIndex == SIZE_MAX) - { - bestIndex = i; - break; - } - if(m_FreeSpaces[i].size < size && - (bestIndex == SIZE_MAX || m_FreeSpaces[bestIndex].size > m_FreeSpaces[i].size)) - { - bestIndex = i; - } - } - - if(bestIndex != SIZE_MAX) - { - m_FreeSpaces[bestIndex].blockInfoIndex = blockInfoIndex; - m_FreeSpaces[bestIndex].offset = offset; - m_FreeSpaces[bestIndex].size = size; - } - } - - bool Fetch(VkDeviceSize alignment, VkDeviceSize size, - size_t& outBlockInfoIndex, VkDeviceSize& outDstOffset) - { - size_t bestIndex = SIZE_MAX; - VkDeviceSize bestFreeSpaceAfter = 0; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - // Structure is valid. - if(m_FreeSpaces[i].blockInfoIndex != SIZE_MAX) - { - const VkDeviceSize dstOffset = VmaAlignUp(m_FreeSpaces[i].offset, alignment); - // Allocation fits into this structure. - if(dstOffset + size <= m_FreeSpaces[i].offset + m_FreeSpaces[i].size) - { - const VkDeviceSize freeSpaceAfter = (m_FreeSpaces[i].offset + m_FreeSpaces[i].size) - - (dstOffset + size); - if(bestIndex == SIZE_MAX || freeSpaceAfter > bestFreeSpaceAfter) - { - bestIndex = i; - bestFreeSpaceAfter = freeSpaceAfter; - } - } - } - } - - if(bestIndex != SIZE_MAX) - { - outBlockInfoIndex = m_FreeSpaces[bestIndex].blockInfoIndex; - outDstOffset = VmaAlignUp(m_FreeSpaces[bestIndex].offset, alignment); - - if(bestFreeSpaceAfter >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - // Leave this structure for remaining empty space. - const VkDeviceSize alignmentPlusSize = (outDstOffset - m_FreeSpaces[bestIndex].offset) + size; - m_FreeSpaces[bestIndex].offset += alignmentPlusSize; - m_FreeSpaces[bestIndex].size -= alignmentPlusSize; - } - else - { - // This structure becomes invalid. - m_FreeSpaces[bestIndex].blockInfoIndex = SIZE_MAX; - } - - return true; - } - - return false; - } - - private: - static const size_t MAX_COUNT = 4; - - struct FreeSpace - { - size_t blockInfoIndex; // SIZE_MAX means this structure is invalid. - VkDeviceSize offset; - VkDeviceSize size; - } m_FreeSpaces[MAX_COUNT]; - }; - - const bool m_OverlappingMoveSupported; - - uint32_t m_AllocationCount; - bool m_AllAllocations; - - VkDeviceSize m_BytesMoved; - uint32_t m_AllocationsMoved; - - VmaVector< BlockInfo, VmaStlAllocator > m_BlockInfos; - - void PreprocessMetadata(); - void PostprocessMetadata(); - void InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc); -}; - -struct VmaBlockDefragmentationContext -{ - enum BLOCK_FLAG - { - BLOCK_FLAG_USED = 0x00000001, - }; - uint32_t flags; - VkBuffer hBuffer; -}; - -class VmaBlockVectorDefragmentationContext -{ - VMA_CLASS_NO_COPY(VmaBlockVectorDefragmentationContext) -public: - VkResult res; - bool mutexLocked; - VmaVector< VmaBlockDefragmentationContext, VmaStlAllocator > blockContexts; - VmaVector< VmaDefragmentationMove, VmaStlAllocator > defragmentationMoves; - uint32_t defragmentationMovesProcessed; - uint32_t defragmentationMovesCommitted; - bool hasDefragmentationPlan; - - VmaBlockVectorDefragmentationContext( - VmaAllocator hAllocator, - VmaPool hCustomPool, // Optional. - VmaBlockVector* pBlockVector, - uint32_t currFrameIndex); - ~VmaBlockVectorDefragmentationContext(); - - VmaPool GetCustomPool() const { return m_hCustomPool; } - VmaBlockVector* GetBlockVector() const { return m_pBlockVector; } - VmaDefragmentationAlgorithm* GetAlgorithm() const { return m_pAlgorithm; } - - void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); - void AddAll() { m_AllAllocations = true; } - - void Begin(bool overlappingMoveSupported, VmaDefragmentationFlags flags); - -private: - const VmaAllocator m_hAllocator; - // Null if not from custom pool. - const VmaPool m_hCustomPool; - // Redundant, for convenience not to fetch from m_hCustomPool->m_BlockVector or m_hAllocator->m_pBlockVectors. - VmaBlockVector* const m_pBlockVector; - const uint32_t m_CurrFrameIndex; - // Owner of this object. - VmaDefragmentationAlgorithm* m_pAlgorithm; - - struct AllocInfo - { - VmaAllocation hAlloc; - VkBool32* pChanged; - }; - // Used between constructor and Begin. - VmaVector< AllocInfo, VmaStlAllocator > m_Allocations; - bool m_AllAllocations; -}; - -struct VmaDefragmentationContext_T -{ -private: - VMA_CLASS_NO_COPY(VmaDefragmentationContext_T) -public: - VmaDefragmentationContext_T( - VmaAllocator hAllocator, - uint32_t currFrameIndex, - uint32_t flags, - VmaDefragmentationStats* pStats); - ~VmaDefragmentationContext_T(); - - void AddPools(uint32_t poolCount, const VmaPool* pPools); - void AddAllocations( - uint32_t allocationCount, - const VmaAllocation* pAllocations, - VkBool32* pAllocationsChanged); - - /* - Returns: - - `VK_SUCCESS` if succeeded and object can be destroyed immediately. - - `VK_NOT_READY` if succeeded but the object must remain alive until vmaDefragmentationEnd(). - - Negative value if error occurred and object can be destroyed immediately. - */ - VkResult Defragment( - VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, - VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags); - - VkResult DefragmentPassBegin(VmaDefragmentationPassInfo* pInfo); - VkResult DefragmentPassEnd(); - -private: - const VmaAllocator m_hAllocator; - const uint32_t m_CurrFrameIndex; - const uint32_t m_Flags; - VmaDefragmentationStats* const m_pStats; - - VkDeviceSize m_MaxCpuBytesToMove; - uint32_t m_MaxCpuAllocationsToMove; - VkDeviceSize m_MaxGpuBytesToMove; - uint32_t m_MaxGpuAllocationsToMove; - - // Owner of these objects. - VmaBlockVectorDefragmentationContext* m_DefaultPoolContexts[VK_MAX_MEMORY_TYPES]; - // Owner of these objects. - VmaVector< VmaBlockVectorDefragmentationContext*, VmaStlAllocator > m_CustomPoolContexts; -}; - -#if VMA_RECORDING_ENABLED - -class VmaRecorder -{ -public: - VmaRecorder(); - VkResult Init(const VmaRecordSettings& settings, bool useMutex); - void WriteConfiguration( - const VkPhysicalDeviceProperties& devProps, - const VkPhysicalDeviceMemoryProperties& memProps, - uint32_t vulkanApiVersion, - bool dedicatedAllocationExtensionEnabled, - bool bindMemory2ExtensionEnabled, - bool memoryBudgetExtensionEnabled, - bool deviceCoherentMemoryExtensionEnabled); - ~VmaRecorder(); - - void RecordCreateAllocator(uint32_t frameIndex); - void RecordDestroyAllocator(uint32_t frameIndex); - void RecordCreatePool(uint32_t frameIndex, - const VmaPoolCreateInfo& createInfo, - VmaPool pool); - void RecordDestroyPool(uint32_t frameIndex, VmaPool pool); - void RecordAllocateMemory(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordAllocateMemoryPages(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - uint64_t allocationCount, - const VmaAllocation* pAllocations); - void RecordAllocateMemoryForBuffer(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordAllocateMemoryForImage(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordFreeMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordFreeMemoryPages(uint32_t frameIndex, - uint64_t allocationCount, - const VmaAllocation* pAllocations); - void RecordSetAllocationUserData(uint32_t frameIndex, - VmaAllocation allocation, - const void* pUserData); - void RecordCreateLostAllocation(uint32_t frameIndex, - VmaAllocation allocation); - void RecordMapMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordUnmapMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordFlushAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); - void RecordInvalidateAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); - void RecordCreateBuffer(uint32_t frameIndex, - const VkBufferCreateInfo& bufCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation); - void RecordCreateImage(uint32_t frameIndex, - const VkImageCreateInfo& imageCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation); - void RecordDestroyBuffer(uint32_t frameIndex, - VmaAllocation allocation); - void RecordDestroyImage(uint32_t frameIndex, - VmaAllocation allocation); - void RecordTouchAllocation(uint32_t frameIndex, - VmaAllocation allocation); - void RecordGetAllocationInfo(uint32_t frameIndex, - VmaAllocation allocation); - void RecordMakePoolAllocationsLost(uint32_t frameIndex, - VmaPool pool); - void RecordDefragmentationBegin(uint32_t frameIndex, - const VmaDefragmentationInfo2& info, - VmaDefragmentationContext ctx); - void RecordDefragmentationEnd(uint32_t frameIndex, - VmaDefragmentationContext ctx); - void RecordSetPoolName(uint32_t frameIndex, - VmaPool pool, - const char* name); - -private: - struct CallParams - { - uint32_t threadId; - double time; - }; - - class UserDataString - { - public: - UserDataString(VmaAllocationCreateFlags allocFlags, const void* pUserData); - const char* GetString() const { return m_Str; } - - private: - char m_PtrStr[17]; - const char* m_Str; - }; - - bool m_UseMutex; - VmaRecordFlags m_Flags; - FILE* m_File; - VMA_MUTEX m_FileMutex; - std::chrono::time_point m_RecordingStartTime; - - void GetBasicParams(CallParams& outParams); - - // T must be a pointer type, e.g. VmaAllocation, VmaPool. - template - void PrintPointerList(uint64_t count, const T* pItems) - { - if(count) - { - fprintf(m_File, "%p", pItems[0]); - for(uint64_t i = 1; i < count; ++i) - { - fprintf(m_File, " %p", pItems[i]); - } - } - } - - void PrintPointerList(uint64_t count, const VmaAllocation* pItems); - void Flush(); -}; - -#endif // #if VMA_RECORDING_ENABLED - -/* -Thread-safe wrapper over VmaPoolAllocator free list, for allocation of VmaAllocation_T objects. -*/ -class VmaAllocationObjectAllocator -{ - VMA_CLASS_NO_COPY(VmaAllocationObjectAllocator) -public: - VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks); - - template VmaAllocation Allocate(Types... args); - void Free(VmaAllocation hAlloc); - -private: - VMA_MUTEX m_Mutex; - VmaPoolAllocator m_Allocator; -}; - -struct VmaCurrentBudgetData -{ - VMA_ATOMIC_UINT64 m_BlockBytes[VK_MAX_MEMORY_HEAPS]; - VMA_ATOMIC_UINT64 m_AllocationBytes[VK_MAX_MEMORY_HEAPS]; - -#if VMA_MEMORY_BUDGET - VMA_ATOMIC_UINT32 m_OperationsSinceBudgetFetch; - VMA_RW_MUTEX m_BudgetMutex; - uint64_t m_VulkanUsage[VK_MAX_MEMORY_HEAPS]; - uint64_t m_VulkanBudget[VK_MAX_MEMORY_HEAPS]; - uint64_t m_BlockBytesAtBudgetFetch[VK_MAX_MEMORY_HEAPS]; -#endif // #if VMA_MEMORY_BUDGET - - VmaCurrentBudgetData() - { - for(uint32_t heapIndex = 0; heapIndex < VK_MAX_MEMORY_HEAPS; ++heapIndex) - { - m_BlockBytes[heapIndex] = 0; - m_AllocationBytes[heapIndex] = 0; -#if VMA_MEMORY_BUDGET - m_VulkanUsage[heapIndex] = 0; - m_VulkanBudget[heapIndex] = 0; - m_BlockBytesAtBudgetFetch[heapIndex] = 0; -#endif - } - -#if VMA_MEMORY_BUDGET - m_OperationsSinceBudgetFetch = 0; -#endif - } - - void AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) - { - m_AllocationBytes[heapIndex] += allocationSize; -#if VMA_MEMORY_BUDGET - ++m_OperationsSinceBudgetFetch; -#endif - } - - void RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) - { - VMA_ASSERT(m_AllocationBytes[heapIndex] >= allocationSize); // DELME - m_AllocationBytes[heapIndex] -= allocationSize; -#if VMA_MEMORY_BUDGET - ++m_OperationsSinceBudgetFetch; -#endif - } -}; - -// Main allocator object. -struct VmaAllocator_T -{ - VMA_CLASS_NO_COPY(VmaAllocator_T) -public: - bool m_UseMutex; - uint32_t m_VulkanApiVersion; - bool m_UseKhrDedicatedAllocation; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). - bool m_UseKhrBindMemory2; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). - bool m_UseExtMemoryBudget; - bool m_UseAmdDeviceCoherentMemory; - bool m_UseKhrBufferDeviceAddress; - bool m_UseExtMemoryPriority; - VkDevice m_hDevice; - VkInstance m_hInstance; - bool m_AllocationCallbacksSpecified; - VkAllocationCallbacks m_AllocationCallbacks; - VmaDeviceMemoryCallbacks m_DeviceMemoryCallbacks; - VmaAllocationObjectAllocator m_AllocationObjectAllocator; - - // Each bit (1 << i) is set if HeapSizeLimit is enabled for that heap, so cannot allocate more than the heap size. - uint32_t m_HeapSizeLimitMask; - - VkPhysicalDeviceProperties m_PhysicalDeviceProperties; - VkPhysicalDeviceMemoryProperties m_MemProps; - - // Default pools. - VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; - VmaBlockVector* m_pSmallBufferBlockVectors[VK_MAX_MEMORY_TYPES]; - - typedef VmaIntrusiveLinkedList DedicatedAllocationLinkedList; - DedicatedAllocationLinkedList m_DedicatedAllocations[VK_MAX_MEMORY_TYPES]; - VMA_RW_MUTEX m_DedicatedAllocationsMutex[VK_MAX_MEMORY_TYPES]; - - VmaCurrentBudgetData m_Budget; - VMA_ATOMIC_UINT32 m_DeviceMemoryCount; // Total number of VkDeviceMemory objects. - - VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo); - VkResult Init(const VmaAllocatorCreateInfo* pCreateInfo); - ~VmaAllocator_T(); - - const VkAllocationCallbacks* GetAllocationCallbacks() const - { - return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : 0; - } - const VmaVulkanFunctions& GetVulkanFunctions() const - { - return m_VulkanFunctions; - } - - VkPhysicalDevice GetPhysicalDevice() const { return m_PhysicalDevice; } - - VkDeviceSize GetBufferImageGranularity() const - { - return VMA_MAX( - static_cast(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY), - m_PhysicalDeviceProperties.limits.bufferImageGranularity); - } - - uint32_t GetMemoryHeapCount() const { return m_MemProps.memoryHeapCount; } - uint32_t GetMemoryTypeCount() const { return m_MemProps.memoryTypeCount; } - - uint32_t MemoryTypeIndexToHeapIndex(uint32_t memTypeIndex) const - { - VMA_ASSERT(memTypeIndex < m_MemProps.memoryTypeCount); - return m_MemProps.memoryTypes[memTypeIndex].heapIndex; - } - // True when specific memory type is HOST_VISIBLE but not HOST_COHERENT. - bool IsMemoryTypeNonCoherent(uint32_t memTypeIndex) const - { - return (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) == - VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - } - // Minimum alignment for all allocations in specific memory type. - VkDeviceSize GetMemoryTypeMinAlignment(uint32_t memTypeIndex) const - { - return IsMemoryTypeNonCoherent(memTypeIndex) ? - VMA_MAX((VkDeviceSize)VMA_MIN_ALIGNMENT, m_PhysicalDeviceProperties.limits.nonCoherentAtomSize) : - (VkDeviceSize)VMA_MIN_ALIGNMENT; - } - - bool IsIntegratedGpu() const - { - return m_PhysicalDeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU; - } - - uint32_t GetGlobalMemoryTypeBits() const { return m_GlobalMemoryTypeBits; } - -#if VMA_RECORDING_ENABLED - VmaRecorder* GetRecorder() const { return m_pRecorder; } -#endif - - void GetBufferMemoryRequirements( - VkBuffer hBuffer, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const; - void GetImageMemoryRequirements( - VkImage hImage, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const; - - // Main allocation function. - VkResult AllocateMemory( - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, // UINT32_MAX when unknown. - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - // Main deallocation function. - void FreeMemory( - size_t allocationCount, - const VmaAllocation* pAllocations); - - void CalculateStats(VmaStats* pStats); - - void GetBudget( - VmaBudget* outBudget, uint32_t firstHeap, uint32_t heapCount); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap(class VmaJsonWriter& json); -#endif - - VkResult DefragmentationBegin( - const VmaDefragmentationInfo2& info, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext* pContext); - VkResult DefragmentationEnd( - VmaDefragmentationContext context); - - VkResult DefragmentationPassBegin( - VmaDefragmentationPassInfo* pInfo, - VmaDefragmentationContext context); - VkResult DefragmentationPassEnd( - VmaDefragmentationContext context); - - void GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo); - bool TouchAllocation(VmaAllocation hAllocation); - - VkResult CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool); - void DestroyPool(VmaPool pool); - void GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats); - - void SetCurrentFrameIndex(uint32_t frameIndex); - uint32_t GetCurrentFrameIndex() const { return m_CurrentFrameIndex.load(); } - - void MakePoolAllocationsLost( - VmaPool hPool, - size_t* pLostAllocationCount); - VkResult CheckPoolCorruption(VmaPool hPool); - VkResult CheckCorruption(uint32_t memoryTypeBits); - - void CreateLostAllocation(VmaAllocation* pAllocation); - - // Call to Vulkan function vkAllocateMemory with accompanying bookkeeping. - VkResult AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory); - // Call to Vulkan function vkFreeMemory with accompanying bookkeeping. - void FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory); - // Call to Vulkan function vkBindBufferMemory or vkBindBufferMemory2KHR. - VkResult BindVulkanBuffer( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkBuffer buffer, - const void* pNext); - // Call to Vulkan function vkBindImageMemory or vkBindImageMemory2KHR. - VkResult BindVulkanImage( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkImage image, - const void* pNext); - - VkResult Map(VmaAllocation hAllocation, void** ppData); - void Unmap(VmaAllocation hAllocation); - - VkResult BindBufferMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext); - VkResult BindImageMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext); - - VkResult FlushOrInvalidateAllocation( - VmaAllocation hAllocation, - VkDeviceSize offset, VkDeviceSize size, - VMA_CACHE_OPERATION op); - VkResult FlushOrInvalidateAllocations( - uint32_t allocationCount, - const VmaAllocation* allocations, - const VkDeviceSize* offsets, const VkDeviceSize* sizes, - VMA_CACHE_OPERATION op); - - void FillAllocation(const VmaAllocation hAllocation, uint8_t pattern); - - /* - Returns bit mask of memory types that can support defragmentation on GPU as - they support creation of required buffer for copy operations. - */ - uint32_t GetGpuDefragmentationMemoryTypeBits(); - -#if VMA_EXTERNAL_MEMORY - VkExternalMemoryHandleTypeFlagsKHR GetExternalMemoryHandleTypeFlags(uint32_t memTypeIndex) const - { - return m_TypeExternalMemoryHandleTypes[memTypeIndex]; - } -#endif // #if VMA_EXTERNAL_MEMORY - -private: - VkDeviceSize m_PreferredLargeHeapBlockSize; - - VkPhysicalDevice m_PhysicalDevice; - VMA_ATOMIC_UINT32 m_CurrentFrameIndex; - VMA_ATOMIC_UINT32 m_GpuDefragmentationMemoryTypeBits; // UINT32_MAX means uninitialized. -#if VMA_EXTERNAL_MEMORY - VkExternalMemoryHandleTypeFlagsKHR m_TypeExternalMemoryHandleTypes[VK_MAX_MEMORY_TYPES]; -#endif // #if VMA_EXTERNAL_MEMORY - - VMA_RW_MUTEX m_PoolsMutex; - typedef VmaIntrusiveLinkedList PoolList; - // Protected by m_PoolsMutex. - PoolList m_Pools; - uint32_t m_NextPoolId; - - VmaVulkanFunctions m_VulkanFunctions; - - // Global bit mask AND-ed with any memoryTypeBits to disallow certain memory types. - uint32_t m_GlobalMemoryTypeBits; - -#if VMA_RECORDING_ENABLED - VmaRecorder* m_pRecorder; -#endif - - void ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions); - -#if VMA_STATIC_VULKAN_FUNCTIONS == 1 - void ImportVulkanFunctions_Static(); -#endif - - void ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions); - -#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 - void ImportVulkanFunctions_Dynamic(); -#endif - - void ValidateVulkanFunctions(); - - VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); - - VkResult AllocateMemoryOfType( - VkDeviceSize size, - VkDeviceSize alignment, - bool dedicatedAllocation, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - uint32_t memTypeIndex, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - // Helper function only to be used inside AllocateDedicatedMemory. - VkResult AllocateDedicatedMemoryPage( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - const VkMemoryAllocateInfo& allocInfo, - bool map, - bool isUserDataString, - void* pUserData, - VmaAllocation* pAllocation); - - // Allocates and registers new VkDeviceMemory specifically for dedicated allocations. - VkResult AllocateDedicatedMemory( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - bool withinBudget, - bool map, - bool isUserDataString, - void* pUserData, - float priority, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, - VkImage dedicatedImage, - size_t allocationCount, - VmaAllocation* pAllocations); - - void FreeDedicatedMemory(const VmaAllocation allocation); - - /* - Calculates and returns bit mask of memory types that can support defragmentation - on GPU as they support creation of required buffer for copy operations. - */ - uint32_t CalculateGpuDefragmentationMemoryTypeBits() const; - - uint32_t CalculateGlobalMemoryTypeBits() const; - - bool GetFlushOrInvalidateRange( - VmaAllocation allocation, - VkDeviceSize offset, VkDeviceSize size, - VkMappedMemoryRange& outRange) const; - -#if VMA_MEMORY_BUDGET - void UpdateVulkanBudget(); -#endif // #if VMA_MEMORY_BUDGET -}; - -//////////////////////////////////////////////////////////////////////////////// -// Memory allocation #2 after VmaAllocator_T definition - -static void* VmaMalloc(VmaAllocator hAllocator, size_t size, size_t alignment) -{ - return VmaMalloc(&hAllocator->m_AllocationCallbacks, size, alignment); -} - -static void VmaFree(VmaAllocator hAllocator, void* ptr) -{ - VmaFree(&hAllocator->m_AllocationCallbacks, ptr); -} - -template -static T* VmaAllocate(VmaAllocator hAllocator) -{ - return (T*)VmaMalloc(hAllocator, sizeof(T), VMA_ALIGN_OF(T)); -} - -template -static T* VmaAllocateArray(VmaAllocator hAllocator, size_t count) -{ - return (T*)VmaMalloc(hAllocator, sizeof(T) * count, VMA_ALIGN_OF(T)); -} - -template -static void vma_delete(VmaAllocator hAllocator, T* ptr) -{ - if(ptr != VMA_NULL) - { - ptr->~T(); - VmaFree(hAllocator, ptr); - } -} - -template -static void vma_delete_array(VmaAllocator hAllocator, T* ptr, size_t count) -{ - if(ptr != VMA_NULL) - { - for(size_t i = count; i--; ) - ptr[i].~T(); - VmaFree(hAllocator, ptr); - } -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaStringBuilder - -#if VMA_STATS_STRING_ENABLED - -class VmaStringBuilder -{ -public: - VmaStringBuilder(VmaAllocator alloc) : m_Data(VmaStlAllocator(alloc->GetAllocationCallbacks())) { } - size_t GetLength() const { return m_Data.size(); } - const char* GetData() const { return m_Data.data(); } - - void Add(char ch) { m_Data.push_back(ch); } - void Add(const char* pStr); - void AddNewLine() { Add('\n'); } - void AddNumber(uint32_t num); - void AddNumber(uint64_t num); - void AddPointer(const void* ptr); - -private: - VmaVector< char, VmaStlAllocator > m_Data; -}; - -void VmaStringBuilder::Add(const char* pStr) -{ - const size_t strLen = strlen(pStr); - if(strLen > 0) - { - const size_t oldCount = m_Data.size(); - m_Data.resize(oldCount + strLen); - memcpy(m_Data.data() + oldCount, pStr, strLen); - } -} - -void VmaStringBuilder::AddNumber(uint32_t num) -{ - char buf[11]; - buf[10] = '\0'; - char *p = &buf[10]; - do - { - *--p = '0' + (num % 10); - num /= 10; - } - while(num); - Add(p); -} - -void VmaStringBuilder::AddNumber(uint64_t num) -{ - char buf[21]; - buf[20] = '\0'; - char *p = &buf[20]; - do - { - *--p = '0' + (num % 10); - num /= 10; - } - while(num); - Add(p); -} - -void VmaStringBuilder::AddPointer(const void* ptr) -{ - char buf[21]; - VmaPtrToStr(buf, sizeof(buf), ptr); - Add(buf); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// VmaJsonWriter - -#if VMA_STATS_STRING_ENABLED - -class VmaJsonWriter -{ - VMA_CLASS_NO_COPY(VmaJsonWriter) -public: - VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb); - ~VmaJsonWriter(); - - void BeginObject(bool singleLine = false); - void EndObject(); - - void BeginArray(bool singleLine = false); - void EndArray(); - - void WriteString(const char* pStr); - void BeginString(const char* pStr = VMA_NULL); - void ContinueString(const char* pStr); - void ContinueString(uint32_t n); - void ContinueString(uint64_t n); - void ContinueString_Pointer(const void* ptr); - void EndString(const char* pStr = VMA_NULL); - - void WriteNumber(uint32_t n); - void WriteNumber(uint64_t n); - void WriteBool(bool b); - void WriteNull(); - -private: - static const char* const INDENT; - - enum COLLECTION_TYPE - { - COLLECTION_TYPE_OBJECT, - COLLECTION_TYPE_ARRAY, - }; - struct StackItem - { - COLLECTION_TYPE type; - uint32_t valueCount; - bool singleLineMode; - }; - - VmaStringBuilder& m_SB; - VmaVector< StackItem, VmaStlAllocator > m_Stack; - bool m_InsideString; - - void BeginValue(bool isString); - void WriteIndent(bool oneLess = false); -}; - -const char* const VmaJsonWriter::INDENT = " "; - -VmaJsonWriter::VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb) : - m_SB(sb), - m_Stack(VmaStlAllocator(pAllocationCallbacks)), - m_InsideString(false) -{ -} - -VmaJsonWriter::~VmaJsonWriter() -{ - VMA_ASSERT(!m_InsideString); - VMA_ASSERT(m_Stack.empty()); -} - -void VmaJsonWriter::BeginObject(bool singleLine) -{ - VMA_ASSERT(!m_InsideString); - - BeginValue(false); - m_SB.Add('{'); - - StackItem item; - item.type = COLLECTION_TYPE_OBJECT; - item.valueCount = 0; - item.singleLineMode = singleLine; - m_Stack.push_back(item); -} - -void VmaJsonWriter::EndObject() -{ - VMA_ASSERT(!m_InsideString); - - WriteIndent(true); - m_SB.Add('}'); - - VMA_ASSERT(!m_Stack.empty() && m_Stack.back().type == COLLECTION_TYPE_OBJECT); - m_Stack.pop_back(); -} - -void VmaJsonWriter::BeginArray(bool singleLine) -{ - VMA_ASSERT(!m_InsideString); - - BeginValue(false); - m_SB.Add('['); - - StackItem item; - item.type = COLLECTION_TYPE_ARRAY; - item.valueCount = 0; - item.singleLineMode = singleLine; - m_Stack.push_back(item); -} - -void VmaJsonWriter::EndArray() -{ - VMA_ASSERT(!m_InsideString); - - WriteIndent(true); - m_SB.Add(']'); - - VMA_ASSERT(!m_Stack.empty() && m_Stack.back().type == COLLECTION_TYPE_ARRAY); - m_Stack.pop_back(); -} - -void VmaJsonWriter::WriteString(const char* pStr) -{ - BeginString(pStr); - EndString(); -} - -void VmaJsonWriter::BeginString(const char* pStr) -{ - VMA_ASSERT(!m_InsideString); - - BeginValue(true); - m_SB.Add('"'); - m_InsideString = true; - if(pStr != VMA_NULL && pStr[0] != '\0') - { - ContinueString(pStr); - } -} - -void VmaJsonWriter::ContinueString(const char* pStr) -{ - VMA_ASSERT(m_InsideString); - - const size_t strLen = strlen(pStr); - for(size_t i = 0; i < strLen; ++i) - { - char ch = pStr[i]; - if(ch == '\\') - { - m_SB.Add("\\\\"); - } - else if(ch == '"') - { - m_SB.Add("\\\""); - } - else if(ch >= 32) - { - m_SB.Add(ch); - } - else switch(ch) - { - case '\b': - m_SB.Add("\\b"); - break; - case '\f': - m_SB.Add("\\f"); - break; - case '\n': - m_SB.Add("\\n"); - break; - case '\r': - m_SB.Add("\\r"); - break; - case '\t': - m_SB.Add("\\t"); - break; - default: - VMA_ASSERT(0 && "Character not currently supported."); - break; - } - } -} - -void VmaJsonWriter::ContinueString(uint32_t n) -{ - VMA_ASSERT(m_InsideString); - m_SB.AddNumber(n); -} - -void VmaJsonWriter::ContinueString(uint64_t n) -{ - VMA_ASSERT(m_InsideString); - m_SB.AddNumber(n); -} - -void VmaJsonWriter::ContinueString_Pointer(const void* ptr) -{ - VMA_ASSERT(m_InsideString); - m_SB.AddPointer(ptr); -} - -void VmaJsonWriter::EndString(const char* pStr) -{ - VMA_ASSERT(m_InsideString); - if(pStr != VMA_NULL && pStr[0] != '\0') - { - ContinueString(pStr); - } - m_SB.Add('"'); - m_InsideString = false; -} - -void VmaJsonWriter::WriteNumber(uint32_t n) -{ - VMA_ASSERT(!m_InsideString); - BeginValue(false); - m_SB.AddNumber(n); -} - -void VmaJsonWriter::WriteNumber(uint64_t n) -{ - VMA_ASSERT(!m_InsideString); - BeginValue(false); - m_SB.AddNumber(n); -} - -void VmaJsonWriter::WriteBool(bool b) -{ - VMA_ASSERT(!m_InsideString); - BeginValue(false); - m_SB.Add(b ? "true" : "false"); -} - -void VmaJsonWriter::WriteNull() -{ - VMA_ASSERT(!m_InsideString); - BeginValue(false); - m_SB.Add("null"); -} - -void VmaJsonWriter::BeginValue(bool isString) -{ - if(!m_Stack.empty()) - { - StackItem& currItem = m_Stack.back(); - if(currItem.type == COLLECTION_TYPE_OBJECT && - currItem.valueCount % 2 == 0) - { - VMA_ASSERT(isString); - } - - if(currItem.type == COLLECTION_TYPE_OBJECT && - currItem.valueCount % 2 != 0) - { - m_SB.Add(": "); - } - else if(currItem.valueCount > 0) - { - m_SB.Add(", "); - WriteIndent(); - } - else - { - WriteIndent(); - } - ++currItem.valueCount; - } -} - -void VmaJsonWriter::WriteIndent(bool oneLess) -{ - if(!m_Stack.empty() && !m_Stack.back().singleLineMode) - { - m_SB.AddNewLine(); - - size_t count = m_Stack.size(); - if(count > 0 && oneLess) - { - --count; - } - for(size_t i = 0; i < count; ++i) - { - m_SB.Add(INDENT); - } - } -} - -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// - -void VmaAllocation_T::SetUserData(VmaAllocator hAllocator, void* pUserData) -{ - if(IsUserDataString()) - { - VMA_ASSERT(pUserData == VMA_NULL || pUserData != m_pUserData); - - FreeUserDataString(hAllocator); - - if(pUserData != VMA_NULL) - { - m_pUserData = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), (const char*)pUserData); - } - } - else - { - m_pUserData = pUserData; - } -} - -void VmaAllocation_T::ChangeBlockAllocation( - VmaAllocator hAllocator, - VmaDeviceMemoryBlock* block, - VkDeviceSize offset) -{ - VMA_ASSERT(block != VMA_NULL); - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); - - // Move mapping reference counter from old block to new block. - if(block != m_BlockAllocation.m_Block) - { - uint32_t mapRefCount = m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP; - if(IsPersistentMap()) - ++mapRefCount; - m_BlockAllocation.m_Block->Unmap(hAllocator, mapRefCount); - block->Map(hAllocator, mapRefCount, VMA_NULL); - } - - m_BlockAllocation.m_Block = block; - m_BlockAllocation.m_Offset = offset; -} - -void VmaAllocation_T::ChangeOffset(VkDeviceSize newOffset) -{ - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); - m_BlockAllocation.m_Offset = newOffset; -} - -VkDeviceSize VmaAllocation_T::GetOffset() const -{ - switch(m_Type) - { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_Offset; - case ALLOCATION_TYPE_DEDICATED: - return 0; - default: - VMA_ASSERT(0); - return 0; - } -} - -VkDeviceMemory VmaAllocation_T::GetMemory() const -{ - switch(m_Type) - { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_Block->GetDeviceMemory(); - case ALLOCATION_TYPE_DEDICATED: - return m_DedicatedAllocation.m_hMemory; - default: - VMA_ASSERT(0); - return VK_NULL_HANDLE; - } -} - -void* VmaAllocation_T::GetMappedData() const -{ - switch(m_Type) - { - case ALLOCATION_TYPE_BLOCK: - if(m_MapCount != 0) - { - void* pBlockData = m_BlockAllocation.m_Block->GetMappedData(); - VMA_ASSERT(pBlockData != VMA_NULL); - return (char*)pBlockData + m_BlockAllocation.m_Offset; - } - else - { - return VMA_NULL; - } - break; - case ALLOCATION_TYPE_DEDICATED: - VMA_ASSERT((m_DedicatedAllocation.m_pMappedData != VMA_NULL) == (m_MapCount != 0)); - return m_DedicatedAllocation.m_pMappedData; - default: - VMA_ASSERT(0); - return VMA_NULL; - } -} - -bool VmaAllocation_T::CanBecomeLost() const -{ - switch(m_Type) - { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_CanBecomeLost; - case ALLOCATION_TYPE_DEDICATED: - return false; - default: - VMA_ASSERT(0); - return false; - } -} - -bool VmaAllocation_T::MakeLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - VMA_ASSERT(CanBecomeLost()); - - /* - Warning: This is a carefully designed algorithm. - Do not modify unless you really know what you're doing :) - */ - uint32_t localLastUseFrameIndex = GetLastUseFrameIndex(); - for(;;) - { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) - { - VMA_ASSERT(0); - return false; - } - else if(localLastUseFrameIndex + frameInUseCount >= currentFrameIndex) - { - return false; - } - else // Last use time earlier than current time. - { - if(CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, VMA_FRAME_INDEX_LOST)) - { - // Setting hAllocation.LastUseFrameIndex atomic to VMA_FRAME_INDEX_LOST is enough to mark it as LOST. - // Calling code just needs to unregister this allocation in owning VmaDeviceMemoryBlock. - return true; - } - } - } -} - -#if VMA_STATS_STRING_ENABLED - -// Correspond to values of enum VmaSuballocationType. -static const char* VMA_SUBALLOCATION_TYPE_NAMES[] = { - "FREE", - "UNKNOWN", - "BUFFER", - "IMAGE_UNKNOWN", - "IMAGE_LINEAR", - "IMAGE_OPTIMAL", -}; - -void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const -{ - json.WriteString("Type"); - json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[m_SuballocationType]); - - json.WriteString("Size"); - json.WriteNumber(m_Size); - - if(m_pUserData != VMA_NULL) - { - json.WriteString("UserData"); - if(IsUserDataString()) - { - json.WriteString((const char*)m_pUserData); - } - else - { - json.BeginString(); - json.ContinueString_Pointer(m_pUserData); - json.EndString(); - } - } - - json.WriteString("CreationFrameIndex"); - json.WriteNumber(m_CreationFrameIndex); - - json.WriteString("LastUseFrameIndex"); - json.WriteNumber(GetLastUseFrameIndex()); - - if(m_BufferImageUsage != 0) - { - json.WriteString("Usage"); - json.WriteNumber(m_BufferImageUsage); - } -} - -#endif - -void VmaAllocation_T::FreeUserDataString(VmaAllocator hAllocator) -{ - VMA_ASSERT(IsUserDataString()); - VmaFreeString(hAllocator->GetAllocationCallbacks(), (char*)m_pUserData); - m_pUserData = VMA_NULL; -} - -void VmaAllocation_T::BlockAllocMap() -{ - VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); - - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) - { - ++m_MapCount; - } - else - { - VMA_ASSERT(0 && "Allocation mapped too many times simultaneously."); - } -} - -void VmaAllocation_T::BlockAllocUnmap() -{ - VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); - - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) - { - --m_MapCount; - } - else - { - VMA_ASSERT(0 && "Unmapping allocation not previously mapped."); - } -} - -VkResult VmaAllocation_T::DedicatedAllocMap(VmaAllocator hAllocator, void** ppData) -{ - VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); - - if(m_MapCount != 0) - { - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) - { - VMA_ASSERT(m_DedicatedAllocation.m_pMappedData != VMA_NULL); - *ppData = m_DedicatedAllocation.m_pMappedData; - ++m_MapCount; - return VK_SUCCESS; - } - else - { - VMA_ASSERT(0 && "Dedicated allocation mapped too many times simultaneously."); - return VK_ERROR_MEMORY_MAP_FAILED; - } - } - else - { - VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( - hAllocator->m_hDevice, - m_DedicatedAllocation.m_hMemory, - 0, // offset - VK_WHOLE_SIZE, - 0, // flags - ppData); - if(result == VK_SUCCESS) - { - m_DedicatedAllocation.m_pMappedData = *ppData; - m_MapCount = 1; - } - return result; - } -} - -void VmaAllocation_T::DedicatedAllocUnmap(VmaAllocator hAllocator) -{ - VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); - - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) - { - --m_MapCount; - if(m_MapCount == 0) - { - m_DedicatedAllocation.m_pMappedData = VMA_NULL; - (*hAllocator->GetVulkanFunctions().vkUnmapMemory)( - hAllocator->m_hDevice, - m_DedicatedAllocation.m_hMemory); - } - } - else - { - VMA_ASSERT(0 && "Unmapping dedicated allocation not previously mapped."); - } -} - -#if VMA_STATS_STRING_ENABLED - -static void VmaPrintStatInfo(VmaJsonWriter& json, const VmaStatInfo& stat) -{ - json.BeginObject(); - - json.WriteString("Blocks"); - json.WriteNumber(stat.blockCount); - - json.WriteString("Allocations"); - json.WriteNumber(stat.allocationCount); - - json.WriteString("UnusedRanges"); - json.WriteNumber(stat.unusedRangeCount); - - json.WriteString("UsedBytes"); - json.WriteNumber(stat.usedBytes); - - json.WriteString("UnusedBytes"); - json.WriteNumber(stat.unusedBytes); - - if(stat.allocationCount > 1) - { - json.WriteString("AllocationSize"); - json.BeginObject(true); - json.WriteString("Min"); - json.WriteNumber(stat.allocationSizeMin); - json.WriteString("Avg"); - json.WriteNumber(stat.allocationSizeAvg); - json.WriteString("Max"); - json.WriteNumber(stat.allocationSizeMax); - json.EndObject(); - } - - if(stat.unusedRangeCount > 1) - { - json.WriteString("UnusedRangeSize"); - json.BeginObject(true); - json.WriteString("Min"); - json.WriteNumber(stat.unusedRangeSizeMin); - json.WriteString("Avg"); - json.WriteNumber(stat.unusedRangeSizeAvg); - json.WriteString("Max"); - json.WriteNumber(stat.unusedRangeSizeMax); - json.EndObject(); - } - - json.EndObject(); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -struct VmaSuballocationItemSizeLess -{ - bool operator()( - const VmaSuballocationList::iterator lhs, - const VmaSuballocationList::iterator rhs) const - { - return lhs->size < rhs->size; - } - bool operator()( - const VmaSuballocationList::iterator lhs, - VkDeviceSize rhsSize) const - { - return lhs->size < rhsSize; - } -}; - - -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata - -VmaBlockMetadata::VmaBlockMetadata(VmaAllocator hAllocator) : - m_Size(0), - m_pAllocationCallbacks(hAllocator->GetAllocationCallbacks()) -{ -} - -#if VMA_STATS_STRING_ENABLED - -void VmaBlockMetadata::PrintDetailedMap_Begin(class VmaJsonWriter& json, - VkDeviceSize unusedBytes, - size_t allocationCount, - size_t unusedRangeCount) const -{ - json.BeginObject(); - - json.WriteString("TotalBytes"); - json.WriteNumber(GetSize()); - - json.WriteString("UnusedBytes"); - json.WriteNumber(unusedBytes); - - json.WriteString("Allocations"); - json.WriteNumber((uint64_t)allocationCount); - - json.WriteString("UnusedRanges"); - json.WriteNumber((uint64_t)unusedRangeCount); - - json.WriteString("Suballocations"); - json.BeginArray(); -} - -void VmaBlockMetadata::PrintDetailedMap_Allocation(class VmaJsonWriter& json, - VkDeviceSize offset, - VmaAllocation hAllocation) const -{ - json.BeginObject(true); - - json.WriteString("Offset"); - json.WriteNumber(offset); - - hAllocation->PrintParameters(json); - - json.EndObject(); -} - -void VmaBlockMetadata::PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, - VkDeviceSize offset, - VkDeviceSize size) const -{ - json.BeginObject(true); - - json.WriteString("Offset"); - json.WriteNumber(offset); - - json.WriteString("Type"); - json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[VMA_SUBALLOCATION_TYPE_FREE]); - - json.WriteString("Size"); - json.WriteNumber(size); - - json.EndObject(); -} - -void VmaBlockMetadata::PrintDetailedMap_End(class VmaJsonWriter& json) const -{ - json.EndArray(); - json.EndObject(); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Generic - -VmaBlockMetadata_Generic::VmaBlockMetadata_Generic(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), - m_FreeCount(0), - m_SumFreeSize(0), - m_Suballocations(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - m_FreeSuballocationsBySize(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) -{ -} - -VmaBlockMetadata_Generic::~VmaBlockMetadata_Generic() -{ -} - -void VmaBlockMetadata_Generic::Init(VkDeviceSize size) -{ - VmaBlockMetadata::Init(size); - - m_FreeCount = 1; - m_SumFreeSize = size; - - VmaSuballocation suballoc = {}; - suballoc.offset = 0; - suballoc.size = size; - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - - VMA_ASSERT(size > VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER); - m_Suballocations.push_back(suballoc); - VmaSuballocationList::iterator suballocItem = m_Suballocations.end(); - --suballocItem; - m_FreeSuballocationsBySize.push_back(suballocItem); -} - -bool VmaBlockMetadata_Generic::Validate() const -{ - VMA_VALIDATE(!m_Suballocations.empty()); - - // Expected offset of new suballocation as calculated from previous ones. - VkDeviceSize calculatedOffset = 0; - // Expected number of free suballocations as calculated from traversing their list. - uint32_t calculatedFreeCount = 0; - // Expected sum size of free suballocations as calculated from traversing their list. - VkDeviceSize calculatedSumFreeSize = 0; - // Expected number of free suballocations that should be registered in - // m_FreeSuballocationsBySize calculated from traversing their list. - size_t freeSuballocationsToRegister = 0; - // True if previous visited suballocation was free. - bool prevFree = false; - - for(const auto& subAlloc : m_Suballocations) - { - // Actual offset of this suballocation doesn't match expected one. - VMA_VALIDATE(subAlloc.offset == calculatedOffset); - - const bool currFree = (subAlloc.type == VMA_SUBALLOCATION_TYPE_FREE); - // Two adjacent free suballocations are invalid. They should be merged. - VMA_VALIDATE(!prevFree || !currFree); - - VMA_VALIDATE(currFree == (subAlloc.hAllocation == VK_NULL_HANDLE)); - - if(currFree) - { - calculatedSumFreeSize += subAlloc.size; - ++calculatedFreeCount; - if(subAlloc.size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - ++freeSuballocationsToRegister; - } - - // Margin required between allocations - every free space must be at least that large. - VMA_VALIDATE(subAlloc.size >= VMA_DEBUG_MARGIN); - } - else - { - VMA_VALIDATE(subAlloc.hAllocation->GetOffset() == subAlloc.offset); - VMA_VALIDATE(subAlloc.hAllocation->GetSize() == subAlloc.size); - - // Margin required between allocations - previous allocation must be free. - VMA_VALIDATE(VMA_DEBUG_MARGIN == 0 || prevFree); - } - - calculatedOffset += subAlloc.size; - prevFree = currFree; - } - - // Number of free suballocations registered in m_FreeSuballocationsBySize doesn't - // match expected one. - VMA_VALIDATE(m_FreeSuballocationsBySize.size() == freeSuballocationsToRegister); - - VkDeviceSize lastSize = 0; - for(size_t i = 0; i < m_FreeSuballocationsBySize.size(); ++i) - { - VmaSuballocationList::iterator suballocItem = m_FreeSuballocationsBySize[i]; - - // Only free suballocations can be registered in m_FreeSuballocationsBySize. - VMA_VALIDATE(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE); - // They must be sorted by size ascending. - VMA_VALIDATE(suballocItem->size >= lastSize); - - lastSize = suballocItem->size; - } - - // Check if totals match calculated values. - VMA_VALIDATE(ValidateFreeSuballocationList()); - VMA_VALIDATE(calculatedOffset == GetSize()); - VMA_VALIDATE(calculatedSumFreeSize == m_SumFreeSize); - VMA_VALIDATE(calculatedFreeCount == m_FreeCount); - - return true; -} - -VkDeviceSize VmaBlockMetadata_Generic::GetUnusedRangeSizeMax() const -{ - if(!m_FreeSuballocationsBySize.empty()) - { - return m_FreeSuballocationsBySize.back()->size; - } - else - { - return 0; - } -} - -bool VmaBlockMetadata_Generic::IsEmpty() const -{ - return (m_Suballocations.size() == 1) && (m_FreeCount == 1); -} - -void VmaBlockMetadata_Generic::CalcAllocationStatInfo(VmaStatInfo& outInfo) const -{ - outInfo.blockCount = 1; - - const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); - outInfo.allocationCount = rangeCount - m_FreeCount; - outInfo.unusedRangeCount = m_FreeCount; - - outInfo.unusedBytes = m_SumFreeSize; - outInfo.usedBytes = GetSize() - outInfo.unusedBytes; - - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.allocationSizeMax = 0; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; - - for(const auto& suballoc : m_Suballocations) - { - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MAX(outInfo.allocationSizeMax, suballoc.size); - } - else - { - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, suballoc.size); - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, suballoc.size); - } - } -} - -void VmaBlockMetadata_Generic::AddPoolStats(VmaPoolStats& inoutStats) const -{ - const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); - - inoutStats.size += GetSize(); - inoutStats.unusedSize += m_SumFreeSize; - inoutStats.allocationCount += rangeCount - m_FreeCount; - inoutStats.unusedRangeCount += m_FreeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, GetUnusedRangeSizeMax()); -} - -#if VMA_STATS_STRING_ENABLED - -void VmaBlockMetadata_Generic::PrintDetailedMap(class VmaJsonWriter& json) const -{ - PrintDetailedMap_Begin(json, - m_SumFreeSize, // unusedBytes - m_Suballocations.size() - (size_t)m_FreeCount, // allocationCount - m_FreeCount); // unusedRangeCount - - size_t i = 0; - for(const auto& suballoc : m_Suballocations) - { - if(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE) - { - PrintDetailedMap_UnusedRange(json, suballoc.offset, suballoc.size); - } - else - { - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - } - } - - PrintDetailedMap_End(json); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -bool VmaBlockMetadata_Generic::CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) -{ - VMA_ASSERT(allocSize > 0); - VMA_ASSERT(!upperAddress); - VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(pAllocationRequest != VMA_NULL); - VMA_HEAVY_ASSERT(Validate()); - - pAllocationRequest->type = VmaAllocationRequestType::Normal; - - // There is not enough total free space in this block to fullfill the request: Early return. - if(canMakeOtherLost == false && - m_SumFreeSize < allocSize + 2 * VMA_DEBUG_MARGIN) - { - return false; - } - - // New algorithm, efficiently searching freeSuballocationsBySize. - const size_t freeSuballocCount = m_FreeSuballocationsBySize.size(); - if(freeSuballocCount > 0) - { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) - { - // Find first free suballocation with size not less than allocSize + 2 * VMA_DEBUG_MARGIN. - VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( - m_FreeSuballocationsBySize.data(), - m_FreeSuballocationsBySize.data() + freeSuballocCount, - allocSize + 2 * VMA_DEBUG_MARGIN, - VmaSuballocationItemSizeLess()); - size_t index = it - m_FreeSuballocationsBySize.data(); - for(; index < freeSuballocCount; ++index) - { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, - allocSize, - allocAlignment, - allocType, - m_FreeSuballocationsBySize[index], - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) - { - pAllocationRequest->item = m_FreeSuballocationsBySize[index]; - return true; - } - } - } - else if(strategy == VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET) - { - for(VmaSuballocationList::iterator it = m_Suballocations.begin(); - it != m_Suballocations.end(); - ++it) - { - if(it->type == VMA_SUBALLOCATION_TYPE_FREE && CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, - allocSize, - allocAlignment, - allocType, - it, - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) - { - pAllocationRequest->item = it; - return true; - } - } - } - else // WORST_FIT, FIRST_FIT - { - // Search staring from biggest suballocations. - for(size_t index = freeSuballocCount; index--; ) - { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, - allocSize, - allocAlignment, - allocType, - m_FreeSuballocationsBySize[index], - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) - { - pAllocationRequest->item = m_FreeSuballocationsBySize[index]; - return true; - } - } - } - } - - if(canMakeOtherLost) - { - // Brute-force algorithm. TODO: Come up with something better. - - bool found = false; - VmaAllocationRequest tmpAllocRequest = {}; - tmpAllocRequest.type = VmaAllocationRequestType::Normal; - for(VmaSuballocationList::iterator suballocIt = m_Suballocations.begin(); - suballocIt != m_Suballocations.end(); - ++suballocIt) - { - if(suballocIt->type == VMA_SUBALLOCATION_TYPE_FREE || - suballocIt->hAllocation->CanBecomeLost()) - { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, - allocSize, - allocAlignment, - allocType, - suballocIt, - canMakeOtherLost, - &tmpAllocRequest.offset, - &tmpAllocRequest.itemsToMakeLostCount, - &tmpAllocRequest.sumFreeSize, - &tmpAllocRequest.sumItemSize)) - { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - *pAllocationRequest = tmpAllocRequest; - pAllocationRequest->item = suballocIt; - break; - } - if(!found || tmpAllocRequest.CalcCost() < pAllocationRequest->CalcCost()) - { - *pAllocationRequest = tmpAllocRequest; - pAllocationRequest->item = suballocIt; - found = true; - } - } - } - } - - return found; - } - - return false; -} - -bool VmaBlockMetadata_Generic::MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) -{ - VMA_ASSERT(pAllocationRequest && pAllocationRequest->type == VmaAllocationRequestType::Normal); - - while(pAllocationRequest->itemsToMakeLostCount > 0) - { - if(pAllocationRequest->item->type == VMA_SUBALLOCATION_TYPE_FREE) - { - ++pAllocationRequest->item; - } - VMA_ASSERT(pAllocationRequest->item != m_Suballocations.end()); - VMA_ASSERT(pAllocationRequest->item->hAllocation != VK_NULL_HANDLE); - VMA_ASSERT(pAllocationRequest->item->hAllocation->CanBecomeLost()); - if(pAllocationRequest->item->hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - pAllocationRequest->item = FreeSuballocation(pAllocationRequest->item); - --pAllocationRequest->itemsToMakeLostCount; - } - else - { - return false; - } - } - - VMA_HEAVY_ASSERT(Validate()); - VMA_ASSERT(pAllocationRequest->item != m_Suballocations.end()); - VMA_ASSERT(pAllocationRequest->item->type == VMA_SUBALLOCATION_TYPE_FREE); - - return true; -} - -uint32_t VmaBlockMetadata_Generic::MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - uint32_t lostAllocationCount = 0; - for(VmaSuballocationList::iterator it = m_Suballocations.begin(); - it != m_Suballocations.end(); - ++it) - { - if(it->type != VMA_SUBALLOCATION_TYPE_FREE && - it->hAllocation->CanBecomeLost() && - it->hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - it = FreeSuballocation(it); - ++lostAllocationCount; - } - } - return lostAllocationCount; -} - -VkResult VmaBlockMetadata_Generic::CheckCorruption(const void* pBlockData) -{ - for(auto& suballoc : m_Suballocations) - { - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - if(!VmaValidateMagicValue(pBlockData, suballoc.offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - } - } - - return VK_SUCCESS; -} - -void VmaBlockMetadata_Generic::Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) -{ - VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); - VMA_ASSERT(request.item != m_Suballocations.end()); - VmaSuballocation& suballoc = *request.item; - // Given suballocation is a free block. - VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - // Given offset is inside this suballocation. - VMA_ASSERT(request.offset >= suballoc.offset); - const VkDeviceSize paddingBegin = request.offset - suballoc.offset; - VMA_ASSERT(suballoc.size >= paddingBegin + allocSize); - const VkDeviceSize paddingEnd = suballoc.size - paddingBegin - allocSize; - - // Unregister this free suballocation from m_FreeSuballocationsBySize and update - // it to become used. - UnregisterFreeSuballocation(request.item); - - suballoc.offset = request.offset; - suballoc.size = allocSize; - suballoc.type = type; - suballoc.hAllocation = hAllocation; - - // If there are any free bytes remaining at the end, insert new free suballocation after current one. - if(paddingEnd) - { - VmaSuballocation paddingSuballoc = {}; - paddingSuballoc.offset = request.offset + allocSize; - paddingSuballoc.size = paddingEnd; - paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - VmaSuballocationList::iterator next = request.item; - ++next; - const VmaSuballocationList::iterator paddingEndItem = - m_Suballocations.insert(next, paddingSuballoc); - RegisterFreeSuballocation(paddingEndItem); - } - - // If there are any free bytes remaining at the beginning, insert new free suballocation before current one. - if(paddingBegin) - { - VmaSuballocation paddingSuballoc = {}; - paddingSuballoc.offset = request.offset - paddingBegin; - paddingSuballoc.size = paddingBegin; - paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - const VmaSuballocationList::iterator paddingBeginItem = - m_Suballocations.insert(request.item, paddingSuballoc); - RegisterFreeSuballocation(paddingBeginItem); - } - - // Update totals. - m_FreeCount = m_FreeCount - 1; - if(paddingBegin > 0) - { - ++m_FreeCount; - } - if(paddingEnd > 0) - { - ++m_FreeCount; - } - m_SumFreeSize -= allocSize; -} - -void VmaBlockMetadata_Generic::Free(const VmaAllocation allocation) -{ - for(VmaSuballocationList::iterator suballocItem = m_Suballocations.begin(); - suballocItem != m_Suballocations.end(); - ++suballocItem) - { - VmaSuballocation& suballoc = *suballocItem; - if(suballoc.hAllocation == allocation) - { - FreeSuballocation(suballocItem); - VMA_HEAVY_ASSERT(Validate()); - return; - } - } - VMA_ASSERT(0 && "Not found!"); -} - -void VmaBlockMetadata_Generic::FreeAtOffset(VkDeviceSize offset) -{ - for(VmaSuballocationList::iterator suballocItem = m_Suballocations.begin(); - suballocItem != m_Suballocations.end(); - ++suballocItem) - { - VmaSuballocation& suballoc = *suballocItem; - if(suballoc.offset == offset) - { - FreeSuballocation(suballocItem); - return; - } - } - VMA_ASSERT(0 && "Not found!"); -} - -bool VmaBlockMetadata_Generic::ValidateFreeSuballocationList() const -{ - VkDeviceSize lastSize = 0; - for(size_t i = 0, count = m_FreeSuballocationsBySize.size(); i < count; ++i) - { - const VmaSuballocationList::iterator it = m_FreeSuballocationsBySize[i]; - - VMA_VALIDATE(it->type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_VALIDATE(it->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER); - VMA_VALIDATE(it->size >= lastSize); - lastSize = it->size; - } - return true; -} - -bool VmaBlockMetadata_Generic::CheckAllocation( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - VmaSuballocationList::const_iterator suballocItem, - bool canMakeOtherLost, - VkDeviceSize* pOffset, - size_t* itemsToMakeLostCount, - VkDeviceSize* pSumFreeSize, - VkDeviceSize* pSumItemSize) const -{ - VMA_ASSERT(allocSize > 0); - VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(suballocItem != m_Suballocations.cend()); - VMA_ASSERT(pOffset != VMA_NULL); - - *itemsToMakeLostCount = 0; - *pSumFreeSize = 0; - *pSumItemSize = 0; - - if(canMakeOtherLost) - { - if(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE) - { - *pSumFreeSize = suballocItem->size; - } - else - { - if(suballocItem->hAllocation->CanBecomeLost() && - suballocItem->hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - *pSumItemSize = suballocItem->size; - } - else - { - return false; - } - } - - // Remaining size is too small for this request: Early return. - if(GetSize() - suballocItem->offset < allocSize) - { - return false; - } - - // Start from offset equal to beginning of this suballocation. - *pOffset = suballocItem->offset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - *pOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - *pOffset = VmaAlignUp(*pOffset, allocAlignment); - - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment) - { - bool bufferImageGranularityConflict = false; - VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; - while(prevSuballocItem != m_Suballocations.cbegin()) - { - --prevSuballocItem; - const VmaSuballocation& prevSuballoc = *prevSuballocItem; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, *pOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - *pOffset = VmaAlignUp(*pOffset, bufferImageGranularity); - } - } - - // Now that we have final *pOffset, check if we are past suballocItem. - // If yes, return false - this function should be called for another suballocItem as starting point. - if(*pOffset >= suballocItem->offset + suballocItem->size) - { - return false; - } - - // Calculate padding at the beginning based on current offset. - const VkDeviceSize paddingBegin = *pOffset - suballocItem->offset; - - // Calculate required margin at the end. - const VkDeviceSize requiredEndMargin = VMA_DEBUG_MARGIN; - - const VkDeviceSize totalSize = paddingBegin + allocSize + requiredEndMargin; - // Another early return check. - if(suballocItem->offset + totalSize > GetSize()) - { - return false; - } - - // Advance lastSuballocItem until desired size is reached. - // Update itemsToMakeLostCount. - VmaSuballocationList::const_iterator lastSuballocItem = suballocItem; - if(totalSize > suballocItem->size) - { - VkDeviceSize remainingSize = totalSize - suballocItem->size; - while(remainingSize > 0) - { - ++lastSuballocItem; - if(lastSuballocItem == m_Suballocations.cend()) - { - return false; - } - if(lastSuballocItem->type == VMA_SUBALLOCATION_TYPE_FREE) - { - *pSumFreeSize += lastSuballocItem->size; - } - else - { - VMA_ASSERT(lastSuballocItem->hAllocation != VK_NULL_HANDLE); - if(lastSuballocItem->hAllocation->CanBecomeLost() && - lastSuballocItem->hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - *pSumItemSize += lastSuballocItem->size; - } - else - { - return false; - } - } - remainingSize = (lastSuballocItem->size < remainingSize) ? - remainingSize - lastSuballocItem->size : 0; - } - } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, we must mark more allocations lost or fail. - if(allocSize % bufferImageGranularity || *pOffset % bufferImageGranularity) - { - VmaSuballocationList::const_iterator nextSuballocItem = lastSuballocItem; - ++nextSuballocItem; - while(nextSuballocItem != m_Suballocations.cend()) - { - const VmaSuballocation& nextSuballoc = *nextSuballocItem; - if(VmaBlocksOnSamePage(*pOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - VMA_ASSERT(nextSuballoc.hAllocation != VK_NULL_HANDLE); - if(nextSuballoc.hAllocation->CanBecomeLost() && - nextSuballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - } - else - { - return false; - } - } - } - else - { - // Already on next page. - break; - } - ++nextSuballocItem; - } - } - } - else - { - const VmaSuballocation& suballoc = *suballocItem; - VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - - *pSumFreeSize = suballoc.size; - - // Size of this suballocation is too small for this request: Early return. - if(suballoc.size < allocSize) - { - return false; - } - - // Start from offset equal to beginning of this suballocation. - *pOffset = suballoc.offset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - *pOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - *pOffset = VmaAlignUp(*pOffset, allocAlignment); - - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment) - { - bool bufferImageGranularityConflict = false; - VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; - while(prevSuballocItem != m_Suballocations.cbegin()) - { - --prevSuballocItem; - const VmaSuballocation& prevSuballoc = *prevSuballocItem; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, *pOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - *pOffset = VmaAlignUp(*pOffset, bufferImageGranularity); - } - } - - // Calculate padding at the beginning based on current offset. - const VkDeviceSize paddingBegin = *pOffset - suballoc.offset; - - // Calculate required margin at the end. - const VkDeviceSize requiredEndMargin = VMA_DEBUG_MARGIN; - - // Fail if requested size plus margin before and after is bigger than size of this suballocation. - if(paddingBegin + allocSize + requiredEndMargin > suballoc.size) - { - return false; - } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if(allocSize % bufferImageGranularity || *pOffset % bufferImageGranularity) - { - VmaSuballocationList::const_iterator nextSuballocItem = suballocItem; - ++nextSuballocItem; - while(nextSuballocItem != m_Suballocations.cend()) - { - const VmaSuballocation& nextSuballoc = *nextSuballocItem; - if(VmaBlocksOnSamePage(*pOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - return false; - } - } - else - { - // Already on next page. - break; - } - ++nextSuballocItem; - } - } - } - - // All tests passed: Success. pOffset is already filled. - return true; -} - -void VmaBlockMetadata_Generic::MergeFreeWithNext(VmaSuballocationList::iterator item) -{ - VMA_ASSERT(item != m_Suballocations.end()); - VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); - - VmaSuballocationList::iterator nextItem = item; - ++nextItem; - VMA_ASSERT(nextItem != m_Suballocations.end()); - VMA_ASSERT(nextItem->type == VMA_SUBALLOCATION_TYPE_FREE); - - item->size += nextItem->size; - --m_FreeCount; - m_Suballocations.erase(nextItem); -} - -VmaSuballocationList::iterator VmaBlockMetadata_Generic::FreeSuballocation(VmaSuballocationList::iterator suballocItem) -{ - // Change this suballocation to be marked as free. - VmaSuballocation& suballoc = *suballocItem; - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - - // Update totals. - ++m_FreeCount; - m_SumFreeSize += suballoc.size; - - // Merge with previous and/or next suballocation if it's also free. - bool mergeWithNext = false; - bool mergeWithPrev = false; - - VmaSuballocationList::iterator nextItem = suballocItem; - ++nextItem; - if((nextItem != m_Suballocations.end()) && (nextItem->type == VMA_SUBALLOCATION_TYPE_FREE)) - { - mergeWithNext = true; - } - - VmaSuballocationList::iterator prevItem = suballocItem; - if(suballocItem != m_Suballocations.begin()) - { - --prevItem; - if(prevItem->type == VMA_SUBALLOCATION_TYPE_FREE) - { - mergeWithPrev = true; - } - } - - if(mergeWithNext) - { - UnregisterFreeSuballocation(nextItem); - MergeFreeWithNext(suballocItem); - } - - if(mergeWithPrev) - { - UnregisterFreeSuballocation(prevItem); - MergeFreeWithNext(prevItem); - RegisterFreeSuballocation(prevItem); - return prevItem; - } - else - { - RegisterFreeSuballocation(suballocItem); - return suballocItem; - } -} - -void VmaBlockMetadata_Generic::RegisterFreeSuballocation(VmaSuballocationList::iterator item) -{ - VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(item->size > 0); - - // You may want to enable this validation at the beginning or at the end of - // this function, depending on what do you want to check. - VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); - - if(item->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - if(m_FreeSuballocationsBySize.empty()) - { - m_FreeSuballocationsBySize.push_back(item); - } - else - { - VmaVectorInsertSorted(m_FreeSuballocationsBySize, item); - } - } - - //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); -} - - -void VmaBlockMetadata_Generic::UnregisterFreeSuballocation(VmaSuballocationList::iterator item) -{ - VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(item->size > 0); - - // You may want to enable this validation at the beginning or at the end of - // this function, depending on what do you want to check. - VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); - - if(item->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( - m_FreeSuballocationsBySize.data(), - m_FreeSuballocationsBySize.data() + m_FreeSuballocationsBySize.size(), - item, - VmaSuballocationItemSizeLess()); - for(size_t index = it - m_FreeSuballocationsBySize.data(); - index < m_FreeSuballocationsBySize.size(); - ++index) - { - if(m_FreeSuballocationsBySize[index] == item) - { - VmaVectorRemove(m_FreeSuballocationsBySize, index); - return; - } - VMA_ASSERT((m_FreeSuballocationsBySize[index]->size == item->size) && "Not found."); - } - VMA_ASSERT(0 && "Not found."); - } - - //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); -} - -bool VmaBlockMetadata_Generic::IsBufferImageGranularityConflictPossible( - VkDeviceSize bufferImageGranularity, - VmaSuballocationType& inOutPrevSuballocType) const -{ - if(bufferImageGranularity == 1 || IsEmpty()) - { - return false; - } - - VkDeviceSize minAlignment = VK_WHOLE_SIZE; - bool typeConflictFound = false; - for(const auto& suballoc : m_Suballocations) - { - const VmaSuballocationType suballocType = suballoc.type; - if(suballocType != VMA_SUBALLOCATION_TYPE_FREE) - { - minAlignment = VMA_MIN(minAlignment, suballoc.hAllocation->GetAlignment()); - if(VmaIsBufferImageGranularityConflict(inOutPrevSuballocType, suballocType)) - { - typeConflictFound = true; - } - inOutPrevSuballocType = suballocType; - } - } - - return typeConflictFound || minAlignment >= bufferImageGranularity; -} - -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Linear - -VmaBlockMetadata_Linear::VmaBlockMetadata_Linear(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), - m_SumFreeSize(0), - m_Suballocations0(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - m_Suballocations1(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - m_1stVectorIndex(0), - m_2ndVectorMode(SECOND_VECTOR_EMPTY), - m_1stNullItemsBeginCount(0), - m_1stNullItemsMiddleCount(0), - m_2ndNullItemsCount(0) -{ -} - -VmaBlockMetadata_Linear::~VmaBlockMetadata_Linear() -{ -} - -void VmaBlockMetadata_Linear::Init(VkDeviceSize size) -{ - VmaBlockMetadata::Init(size); - m_SumFreeSize = size; -} - -bool VmaBlockMetadata_Linear::Validate() const -{ - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - VMA_VALIDATE(suballocations2nd.empty() == (m_2ndVectorMode == SECOND_VECTOR_EMPTY)); - VMA_VALIDATE(!suballocations1st.empty() || - suballocations2nd.empty() || - m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER); - - if(!suballocations1st.empty()) - { - // Null item at the beginning should be accounted into m_1stNullItemsBeginCount. - VMA_VALIDATE(suballocations1st[m_1stNullItemsBeginCount].hAllocation != VK_NULL_HANDLE); - // Null item at the end should be just pop_back(). - VMA_VALIDATE(suballocations1st.back().hAllocation != VK_NULL_HANDLE); - } - if(!suballocations2nd.empty()) - { - // Null item at the end should be just pop_back(). - VMA_VALIDATE(suballocations2nd.back().hAllocation != VK_NULL_HANDLE); - } - - VMA_VALIDATE(m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount <= suballocations1st.size()); - VMA_VALIDATE(m_2ndNullItemsCount <= suballocations2nd.size()); - - VkDeviceSize sumUsedSize = 0; - const size_t suballoc1stCount = suballocations1st.size(); - VkDeviceSize offset = VMA_DEBUG_MARGIN; - - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - const size_t suballoc2ndCount = suballocations2nd.size(); - size_t nullItem2ndCount = 0; - for(size_t i = 0; i < suballoc2ndCount; ++i) - { - const VmaSuballocation& suballoc = suballocations2nd[i]; - const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); - VMA_VALIDATE(suballoc.offset >= offset); - - if(!currFree) - { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); - sumUsedSize += suballoc.size; - } - else - { - ++nullItem2ndCount; - } - - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; - } - - VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); - } - - for(size_t i = 0; i < m_1stNullItemsBeginCount; ++i) - { - const VmaSuballocation& suballoc = suballocations1st[i]; - VMA_VALIDATE(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation == VK_NULL_HANDLE); - } - - size_t nullItem1stCount = m_1stNullItemsBeginCount; - - for(size_t i = m_1stNullItemsBeginCount; i < suballoc1stCount; ++i) - { - const VmaSuballocation& suballoc = suballocations1st[i]; - const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); - VMA_VALIDATE(suballoc.offset >= offset); - VMA_VALIDATE(i >= m_1stNullItemsBeginCount || currFree); - - if(!currFree) - { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); - sumUsedSize += suballoc.size; - } - else - { - ++nullItem1stCount; - } - - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; - } - VMA_VALIDATE(nullItem1stCount == m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount); - - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - const size_t suballoc2ndCount = suballocations2nd.size(); - size_t nullItem2ndCount = 0; - for(size_t i = suballoc2ndCount; i--; ) - { - const VmaSuballocation& suballoc = suballocations2nd[i]; - const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); - VMA_VALIDATE(suballoc.offset >= offset); - - if(!currFree) - { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); - sumUsedSize += suballoc.size; - } - else - { - ++nullItem2ndCount; - } - - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; - } - - VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); - } - - VMA_VALIDATE(offset <= GetSize()); - VMA_VALIDATE(m_SumFreeSize == GetSize() - sumUsedSize); - - return true; -} - -size_t VmaBlockMetadata_Linear::GetAllocationCount() const -{ - return AccessSuballocations1st().size() - (m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount) + - AccessSuballocations2nd().size() - m_2ndNullItemsCount; -} - -VkDeviceSize VmaBlockMetadata_Linear::GetUnusedRangeSizeMax() const -{ - const VkDeviceSize size = GetSize(); - - /* - We don't consider gaps inside allocation vectors with freed allocations because - they are not suitable for reuse in linear allocator. We consider only space that - is available for new allocations. - */ - if(IsEmpty()) - { - return size; - } - - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - - switch(m_2ndVectorMode) - { - case SECOND_VECTOR_EMPTY: - /* - Available space is after end of 1st, as well as before beginning of 1st (which - would make it a ring buffer). - */ - { - const size_t suballocations1stCount = suballocations1st.size(); - VMA_ASSERT(suballocations1stCount > m_1stNullItemsBeginCount); - const VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; - const VmaSuballocation& lastSuballoc = suballocations1st[suballocations1stCount - 1]; - return VMA_MAX( - firstSuballoc.offset, - size - (lastSuballoc.offset + lastSuballoc.size)); - } - break; - - case SECOND_VECTOR_RING_BUFFER: - /* - Available space is only between end of 2nd and beginning of 1st. - */ - { - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const VmaSuballocation& lastSuballoc2nd = suballocations2nd.back(); - const VmaSuballocation& firstSuballoc1st = suballocations1st[m_1stNullItemsBeginCount]; - return firstSuballoc1st.offset - (lastSuballoc2nd.offset + lastSuballoc2nd.size); - } - break; - - case SECOND_VECTOR_DOUBLE_STACK: - /* - Available space is only between end of 1st and top of 2nd. - */ - { - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const VmaSuballocation& topSuballoc2nd = suballocations2nd.back(); - const VmaSuballocation& lastSuballoc1st = suballocations1st.back(); - return topSuballoc2nd.offset - (lastSuballoc1st.offset + lastSuballoc1st.size); - } - break; - - default: - VMA_ASSERT(0); - return 0; - } -} - -void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const -{ - const VkDeviceSize size = GetSize(); - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const size_t suballoc1stCount = suballocations1st.size(); - const size_t suballoc2ndCount = suballocations2nd.size(); - - outInfo.blockCount = 1; - outInfo.allocationCount = (uint32_t)GetAllocationCount(); - outInfo.unusedRangeCount = 0; - outInfo.usedBytes = 0; - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.allocationSizeMax = 0; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; - - VkDeviceSize lastOffset = 0; - - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; - size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc2ndIndex; - } - // We are at the end. - else - { - // There is free space from lastOffset to freeSpace2ndTo1stEnd. - if(lastOffset < freeSpace2ndTo1stEnd) - { - const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace2ndTo1stEnd; - } - } - } - - size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; - const VkDeviceSize freeSpace1stTo2ndEnd = - m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc1stIndex; - } - - // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) - { - const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc1stIndex; - } - // We are at the end. - else - { - // There is free space from lastOffset to freeSpace1stTo2ndEnd. - if(lastOffset < freeSpace1stTo2ndEnd) - { - const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace1stTo2ndEnd; - } - } - - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - --nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - --nextAlloc2ndIndex; - } - // We are at the end. - else - { - // There is free space from lastOffset to size. - if(lastOffset < size) - { - const VkDeviceSize unusedRangeSize = size - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = size; - } - } - } - - outInfo.unusedBytes = size - outInfo.usedBytes; -} - -void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const -{ - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const VkDeviceSize size = GetSize(); - const size_t suballoc1stCount = suballocations1st.size(); - const size_t suballoc2ndCount = suballocations2nd.size(); - - inoutStats.size += size; - - VkDeviceSize lastOffset = 0; - - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; - size_t nextAlloc2ndIndex = m_1stNullItemsBeginCount; - while(lastOffset < freeSpace2ndTo1stEnd) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++inoutStats.allocationCount; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < freeSpace2ndTo1stEnd) - { - // There is free space from lastOffset to freeSpace2ndTo1stEnd. - const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace2ndTo1stEnd; - } - } - } - - size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; - const VkDeviceSize freeSpace1stTo2ndEnd = - m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc1stIndex; - } - - // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) - { - const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++inoutStats.allocationCount; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc1stIndex; - } - // We are at the end. - else - { - if(lastOffset < freeSpace1stTo2ndEnd) - { - // There is free space from lastOffset to freeSpace1stTo2ndEnd. - const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace1stTo2ndEnd; - } - } - - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - --nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++inoutStats.allocationCount; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - --nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < size) - { - // There is free space from lastOffset to size. - const VkDeviceSize unusedRangeSize = size - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); - } - - // End of loop. - lastOffset = size; - } - } - } -} - -#if VMA_STATS_STRING_ENABLED -void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const -{ - const VkDeviceSize size = GetSize(); - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const size_t suballoc1stCount = suballocations1st.size(); - const size_t suballoc2ndCount = suballocations2nd.size(); - - // FIRST PASS - - size_t unusedRangeCount = 0; - VkDeviceSize usedBytes = 0; - - VkDeviceSize lastOffset = 0; - - size_t alloc2ndCount = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; - size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - ++unusedRangeCount; - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++alloc2ndCount; - usedBytes += suballoc.size; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < freeSpace2ndTo1stEnd) - { - // There is free space from lastOffset to freeSpace2ndTo1stEnd. - ++unusedRangeCount; - } - - // End of loop. - lastOffset = freeSpace2ndTo1stEnd; - } - } - } - - size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; - size_t alloc1stCount = 0; - const VkDeviceSize freeSpace1stTo2ndEnd = - m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc1stIndex; - } - - // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) - { - const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - ++unusedRangeCount; - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++alloc1stCount; - usedBytes += suballoc.size; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc1stIndex; - } - // We are at the end. - else - { - if(lastOffset < size) - { - // There is free space from lastOffset to freeSpace1stTo2ndEnd. - ++unusedRangeCount; - } - - // End of loop. - lastOffset = freeSpace1stTo2ndEnd; - } - } - - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - --nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - ++unusedRangeCount; - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - ++alloc2ndCount; - usedBytes += suballoc.size; - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - --nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < size) - { - // There is free space from lastOffset to size. - ++unusedRangeCount; - } - - // End of loop. - lastOffset = size; - } - } - } - - const VkDeviceSize unusedBytes = size - usedBytes; - PrintDetailedMap_Begin(json, unusedBytes, alloc1stCount + alloc2ndCount, unusedRangeCount); - - // SECOND PASS - lastOffset = 0; - - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; - size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < freeSpace2ndTo1stEnd) - { - // There is free space from lastOffset to freeSpace2ndTo1stEnd. - const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace2ndTo1stEnd; - } - } - } - - nextAlloc1stIndex = m_1stNullItemsBeginCount; - while(lastOffset < freeSpace1stTo2ndEnd) - { - // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) - { - ++nextAlloc1stIndex; - } - - // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) - { - const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - ++nextAlloc1stIndex; - } - // We are at the end. - else - { - if(lastOffset < freeSpace1stTo2ndEnd) - { - // There is free space from lastOffset to freeSpace1stTo2ndEnd. - const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // End of loop. - lastOffset = freeSpace1stTo2ndEnd; - } - } - - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) - { - // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) - { - --nextAlloc2ndIndex; - } - - // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) - { - const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - - // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) - { - // There is free space from lastOffset to suballoc.offset. - const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // 2. Process this allocation. - // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - - // 3. Prepare for next iteration. - lastOffset = suballoc.offset + suballoc.size; - --nextAlloc2ndIndex; - } - // We are at the end. - else - { - if(lastOffset < size) - { - // There is free space from lastOffset to size. - const VkDeviceSize unusedRangeSize = size - lastOffset; - PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); - } - - // End of loop. - lastOffset = size; - } - } - } - - PrintDetailedMap_End(json); -} -#endif // #if VMA_STATS_STRING_ENABLED - -bool VmaBlockMetadata_Linear::CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) -{ - VMA_ASSERT(allocSize > 0); - VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(pAllocationRequest != VMA_NULL); - VMA_HEAVY_ASSERT(Validate()); - return upperAddress ? - CreateAllocationRequest_UpperAddress( - currentFrameIndex, frameInUseCount, bufferImageGranularity, - allocSize, allocAlignment, allocType, canMakeOtherLost, strategy, pAllocationRequest) : - CreateAllocationRequest_LowerAddress( - currentFrameIndex, frameInUseCount, bufferImageGranularity, - allocSize, allocAlignment, allocType, canMakeOtherLost, strategy, pAllocationRequest); -} - -bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) -{ - const VkDeviceSize size = GetSize(); - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - VMA_ASSERT(0 && "Trying to use pool with linear algorithm as double stack, while it is already being used as ring buffer."); - return false; - } - - // Try to allocate before 2nd.back(), or end of block if 2nd.empty(). - if(allocSize > size) - { - return false; - } - VkDeviceSize resultBaseOffset = size - allocSize; - if(!suballocations2nd.empty()) - { - const VmaSuballocation& lastSuballoc = suballocations2nd.back(); - resultBaseOffset = lastSuballoc.offset - allocSize; - if(allocSize > lastSuballoc.offset) - { - return false; - } - } - - // Start from offset equal to end of free space. - VkDeviceSize resultOffset = resultBaseOffset; - - // Apply VMA_DEBUG_MARGIN at the end. - if(VMA_DEBUG_MARGIN > 0) - { - if(resultOffset < VMA_DEBUG_MARGIN) - { - return false; - } - resultOffset -= VMA_DEBUG_MARGIN; - } - - // Apply alignment. - resultOffset = VmaAlignDown(resultOffset, allocAlignment); - - // Check next suballocations from 2nd for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) - { - bool bufferImageGranularityConflict = false; - for(size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) - { - const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(nextSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - resultOffset = VmaAlignDown(resultOffset, bufferImageGranularity); - } - } - - // There is enough free space. - const VkDeviceSize endOf1st = !suballocations1st.empty() ? - suballocations1st.back().offset + suballocations1st.back().size : - 0; - if(endOf1st + VMA_DEBUG_MARGIN <= resultOffset) - { - // Check previous suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if(bufferImageGranularity > 1) - { - for(size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) - { - const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, prevSuballoc.type)) - { - return false; - } - } - else - { - // Already on next page. - break; - } - } - } - - // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = resultBaseOffset + allocSize - endOf1st; - pAllocationRequest->sumItemSize = 0; - // pAllocationRequest->item unused. - pAllocationRequest->itemsToMakeLostCount = 0; - pAllocationRequest->type = VmaAllocationRequestType::UpperAddress; - return true; - } - - return false; -} - -bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) -{ - const VkDeviceSize size = GetSize(); - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - if(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - // Try to allocate at the end of 1st vector. - - VkDeviceSize resultBaseOffset = 0; - if(!suballocations1st.empty()) - { - const VmaSuballocation& lastSuballoc = suballocations1st.back(); - resultBaseOffset = lastSuballoc.offset + lastSuballoc.size; - } - - // Start from offset equal to beginning of free space. - VkDeviceSize resultOffset = resultBaseOffset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - resultOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - resultOffset = VmaAlignUp(resultOffset, allocAlignment); - - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations1st.empty()) - { - bool bufferImageGranularityConflict = false; - for(size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) - { - const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); - } - } - - const VkDeviceSize freeSpaceEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? - suballocations2nd.back().offset : size; - - // There is enough free space at the end after alignment. - if(resultOffset + allocSize + VMA_DEBUG_MARGIN <= freeSpaceEnd) - { - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if((allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) && m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - for(size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) - { - const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - return false; - } - } - else - { - // Already on previous page. - break; - } - } - } - - // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = freeSpaceEnd - resultBaseOffset; - pAllocationRequest->sumItemSize = 0; - // pAllocationRequest->item, customData unused. - pAllocationRequest->type = VmaAllocationRequestType::EndOf1st; - pAllocationRequest->itemsToMakeLostCount = 0; - return true; - } - } - - // Wrap-around to end of 2nd vector. Try to allocate there, watching for the - // beginning of 1st vector as the end of free space. - if(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - VMA_ASSERT(!suballocations1st.empty()); - - VkDeviceSize resultBaseOffset = 0; - if(!suballocations2nd.empty()) - { - const VmaSuballocation& lastSuballoc = suballocations2nd.back(); - resultBaseOffset = lastSuballoc.offset + lastSuballoc.size; - } - - // Start from offset equal to beginning of free space. - VkDeviceSize resultOffset = resultBaseOffset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - resultOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - resultOffset = VmaAlignUp(resultOffset, allocAlignment); - - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) - { - bool bufferImageGranularityConflict = false; - for(size_t prevSuballocIndex = suballocations2nd.size(); prevSuballocIndex--; ) - { - const VmaSuballocation& prevSuballoc = suballocations2nd[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); - } - } - - pAllocationRequest->itemsToMakeLostCount = 0; - pAllocationRequest->sumItemSize = 0; - size_t index1st = m_1stNullItemsBeginCount; - - if(canMakeOtherLost) - { - while(index1st < suballocations1st.size() && - resultOffset + allocSize + VMA_DEBUG_MARGIN > suballocations1st[index1st].offset) - { - // Next colliding allocation at the beginning of 1st vector found. Try to make it lost. - const VmaSuballocation& suballoc = suballocations1st[index1st]; - if(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE) - { - // No problem. - } - else - { - VMA_ASSERT(suballoc.hAllocation != VK_NULL_HANDLE); - if(suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++pAllocationRequest->itemsToMakeLostCount; - pAllocationRequest->sumItemSize += suballoc.size; - } - else - { - return false; - } - } - ++index1st; - } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, we must mark more allocations lost or fail. - if(allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) - { - while(index1st < suballocations1st.size()) - { - const VmaSuballocation& suballoc = suballocations1st[index1st]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, suballoc.offset, bufferImageGranularity)) - { - if(suballoc.hAllocation != VK_NULL_HANDLE) - { - // Not checking actual VmaIsBufferImageGranularityConflict(allocType, suballoc.type). - if(suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++pAllocationRequest->itemsToMakeLostCount; - pAllocationRequest->sumItemSize += suballoc.size; - } - else - { - return false; - } - } - } - else - { - // Already on next page. - break; - } - ++index1st; - } - } - - // Special case: There is not enough room at the end for this allocation, even after making all from the 1st lost. - if(index1st == suballocations1st.size() && - resultOffset + allocSize + VMA_DEBUG_MARGIN > size) - { - // TODO: This is a known bug that it's not yet implemented and the allocation is failing. - VMA_DEBUG_LOG("Unsupported special case in custom pool with linear allocation algorithm used as ring buffer with allocations that can be lost."); - } - } - - // There is enough free space at the end after alignment. - if((index1st == suballocations1st.size() && resultOffset + allocSize + VMA_DEBUG_MARGIN <= size) || - (index1st < suballocations1st.size() && resultOffset + allocSize + VMA_DEBUG_MARGIN <= suballocations1st[index1st].offset)) - { - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if(allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) - { - for(size_t nextSuballocIndex = index1st; - nextSuballocIndex < suballocations1st.size(); - nextSuballocIndex++) - { - const VmaSuballocation& nextSuballoc = suballocations1st[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - return false; - } - } - else - { - // Already on next page. - break; - } - } - } - - // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = - (index1st < suballocations1st.size() ? suballocations1st[index1st].offset : size) - - resultBaseOffset - - pAllocationRequest->sumItemSize; - pAllocationRequest->type = VmaAllocationRequestType::EndOf2nd; - // pAllocationRequest->item, customData unused. - return true; - } - } - - return false; -} - -bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) -{ - if(pAllocationRequest->itemsToMakeLostCount == 0) - { - return true; - } - - VMA_ASSERT(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER); - - // We always start from 1st. - SuballocationVectorType* suballocations = &AccessSuballocations1st(); - size_t index = m_1stNullItemsBeginCount; - size_t madeLostCount = 0; - while(madeLostCount < pAllocationRequest->itemsToMakeLostCount) - { - if(index == suballocations->size()) - { - index = 0; - // If we get to the end of 1st, we wrap around to beginning of 2nd of 1st. - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - suballocations = &AccessSuballocations2nd(); - } - // else: m_2ndVectorMode == SECOND_VECTOR_EMPTY: - // suballocations continues pointing at AccessSuballocations1st(). - VMA_ASSERT(!suballocations->empty()); - } - VmaSuballocation& suballoc = (*suballocations)[index]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - VMA_ASSERT(suballoc.hAllocation != VK_NULL_HANDLE); - VMA_ASSERT(suballoc.hAllocation->CanBecomeLost()); - if(suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - m_SumFreeSize += suballoc.size; - if(suballocations == &AccessSuballocations1st()) - { - ++m_1stNullItemsMiddleCount; - } - else - { - ++m_2ndNullItemsCount; - } - ++madeLostCount; - } - else - { - return false; - } - } - ++index; - } - - CleanupAfterFree(); - //VMA_HEAVY_ASSERT(Validate()); // Already called by CleanupAfterFree(). - - return true; -} - -uint32_t VmaBlockMetadata_Linear::MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - uint32_t lostAllocationCount = 0; - - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - for(size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) - { - VmaSuballocation& suballoc = suballocations1st[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - ++m_1stNullItemsMiddleCount; - m_SumFreeSize += suballoc.size; - ++lostAllocationCount; - } - } - - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - for(size_t i = 0, count = suballocations2nd.size(); i < count; ++i) - { - VmaSuballocation& suballoc = suballocations2nd[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - ++m_2ndNullItemsCount; - m_SumFreeSize += suballoc.size; - ++lostAllocationCount; - } - } - - if(lostAllocationCount) - { - CleanupAfterFree(); - } - - return lostAllocationCount; -} - -VkResult VmaBlockMetadata_Linear::CheckCorruption(const void* pBlockData) -{ - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - for(size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) - { - const VmaSuballocation& suballoc = suballocations1st[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - if(!VmaValidateMagicValue(pBlockData, suballoc.offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - } - } - - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - for(size_t i = 0, count = suballocations2nd.size(); i < count; ++i) - { - const VmaSuballocation& suballoc = suballocations2nd[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - if(!VmaValidateMagicValue(pBlockData, suballoc.offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - } - } - - return VK_SUCCESS; -} - -void VmaBlockMetadata_Linear::Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) -{ - const VmaSuballocation newSuballoc = { request.offset, allocSize, hAllocation, type }; - - switch(request.type) - { - case VmaAllocationRequestType::UpperAddress: - { - VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER && - "CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer."); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - suballocations2nd.push_back(newSuballoc); - m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK; - } - break; - case VmaAllocationRequestType::EndOf1st: - { - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - - VMA_ASSERT(suballocations1st.empty() || - request.offset >= suballocations1st.back().offset + suballocations1st.back().size); - // Check if it fits before the end of the block. - VMA_ASSERT(request.offset + allocSize <= GetSize()); - - suballocations1st.push_back(newSuballoc); - } - break; - case VmaAllocationRequestType::EndOf2nd: - { - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - // New allocation at the end of 2-part ring buffer, so before first allocation from 1st vector. - VMA_ASSERT(!suballocations1st.empty() && - request.offset + allocSize <= suballocations1st[m_1stNullItemsBeginCount].offset); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - switch(m_2ndVectorMode) - { - case SECOND_VECTOR_EMPTY: - // First allocation from second part ring buffer. - VMA_ASSERT(suballocations2nd.empty()); - m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER; - break; - case SECOND_VECTOR_RING_BUFFER: - // 2-part ring buffer is already started. - VMA_ASSERT(!suballocations2nd.empty()); - break; - case SECOND_VECTOR_DOUBLE_STACK: - VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack."); - break; - default: - VMA_ASSERT(0); - } - - suballocations2nd.push_back(newSuballoc); - } - break; - default: - VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR."); - } - - m_SumFreeSize -= newSuballoc.size; -} - -void VmaBlockMetadata_Linear::Free(const VmaAllocation allocation) -{ - FreeAtOffset(allocation->GetOffset()); -} - -void VmaBlockMetadata_Linear::FreeAtOffset(VkDeviceSize offset) -{ - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - if(!suballocations1st.empty()) - { - // First allocation: Mark it as next empty at the beginning. - VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; - if(firstSuballoc.offset == offset) - { - firstSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - firstSuballoc.hAllocation = VK_NULL_HANDLE; - m_SumFreeSize += firstSuballoc.size; - ++m_1stNullItemsBeginCount; - CleanupAfterFree(); - return; - } - } - - // Last allocation in 2-part ring buffer or top of upper stack (same logic). - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER || - m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - VmaSuballocation& lastSuballoc = suballocations2nd.back(); - if(lastSuballoc.offset == offset) - { - m_SumFreeSize += lastSuballoc.size; - suballocations2nd.pop_back(); - CleanupAfterFree(); - return; - } - } - // Last allocation in 1st vector. - else if(m_2ndVectorMode == SECOND_VECTOR_EMPTY) - { - VmaSuballocation& lastSuballoc = suballocations1st.back(); - if(lastSuballoc.offset == offset) - { - m_SumFreeSize += lastSuballoc.size; - suballocations1st.pop_back(); - CleanupAfterFree(); - return; - } - } - - // Item from the middle of 1st vector. - { - VmaSuballocation refSuballoc; - refSuballoc.offset = offset; - // Rest of members stays uninitialized intentionally for better performance. - SuballocationVectorType::iterator it = VmaBinaryFindSorted( - suballocations1st.begin() + m_1stNullItemsBeginCount, - suballocations1st.end(), - refSuballoc, - VmaSuballocationOffsetLess()); - if(it != suballocations1st.end()) - { - it->type = VMA_SUBALLOCATION_TYPE_FREE; - it->hAllocation = VK_NULL_HANDLE; - ++m_1stNullItemsMiddleCount; - m_SumFreeSize += it->size; - CleanupAfterFree(); - return; - } - } - - if(m_2ndVectorMode != SECOND_VECTOR_EMPTY) - { - // Item from the middle of 2nd vector. - VmaSuballocation refSuballoc; - refSuballoc.offset = offset; - // Rest of members stays uninitialized intentionally for better performance. - SuballocationVectorType::iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? - VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : - VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); - if(it != suballocations2nd.end()) - { - it->type = VMA_SUBALLOCATION_TYPE_FREE; - it->hAllocation = VK_NULL_HANDLE; - ++m_2ndNullItemsCount; - m_SumFreeSize += it->size; - CleanupAfterFree(); - return; - } - } - - VMA_ASSERT(0 && "Allocation to free not found in linear allocator!"); -} - -bool VmaBlockMetadata_Linear::ShouldCompact1st() const -{ - const size_t nullItemCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; - const size_t suballocCount = AccessSuballocations1st().size(); - return suballocCount > 32 && nullItemCount * 2 >= (suballocCount - nullItemCount) * 3; -} - -void VmaBlockMetadata_Linear::CleanupAfterFree() -{ - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - if(IsEmpty()) - { - suballocations1st.clear(); - suballocations2nd.clear(); - m_1stNullItemsBeginCount = 0; - m_1stNullItemsMiddleCount = 0; - m_2ndNullItemsCount = 0; - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - } - else - { - const size_t suballoc1stCount = suballocations1st.size(); - const size_t nullItem1stCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; - VMA_ASSERT(nullItem1stCount <= suballoc1stCount); - - // Find more null items at the beginning of 1st vector. - while(m_1stNullItemsBeginCount < suballoc1stCount && - suballocations1st[m_1stNullItemsBeginCount].hAllocation == VK_NULL_HANDLE) - { - ++m_1stNullItemsBeginCount; - --m_1stNullItemsMiddleCount; - } - - // Find more null items at the end of 1st vector. - while(m_1stNullItemsMiddleCount > 0 && - suballocations1st.back().hAllocation == VK_NULL_HANDLE) - { - --m_1stNullItemsMiddleCount; - suballocations1st.pop_back(); - } - - // Find more null items at the end of 2nd vector. - while(m_2ndNullItemsCount > 0 && - suballocations2nd.back().hAllocation == VK_NULL_HANDLE) - { - --m_2ndNullItemsCount; - suballocations2nd.pop_back(); - } - - // Find more null items at the beginning of 2nd vector. - while(m_2ndNullItemsCount > 0 && - suballocations2nd[0].hAllocation == VK_NULL_HANDLE) - { - --m_2ndNullItemsCount; - VmaVectorRemove(suballocations2nd, 0); - } - - if(ShouldCompact1st()) - { - const size_t nonNullItemCount = suballoc1stCount - nullItem1stCount; - size_t srcIndex = m_1stNullItemsBeginCount; - for(size_t dstIndex = 0; dstIndex < nonNullItemCount; ++dstIndex) - { - while(suballocations1st[srcIndex].hAllocation == VK_NULL_HANDLE) - { - ++srcIndex; - } - if(dstIndex != srcIndex) - { - suballocations1st[dstIndex] = suballocations1st[srcIndex]; - } - ++srcIndex; - } - suballocations1st.resize(nonNullItemCount); - m_1stNullItemsBeginCount = 0; - m_1stNullItemsMiddleCount = 0; - } - - // 2nd vector became empty. - if(suballocations2nd.empty()) - { - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - } - - // 1st vector became empty. - if(suballocations1st.size() - m_1stNullItemsBeginCount == 0) - { - suballocations1st.clear(); - m_1stNullItemsBeginCount = 0; - - if(!suballocations2nd.empty() && m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - // Swap 1st with 2nd. Now 2nd is empty. - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - m_1stNullItemsMiddleCount = m_2ndNullItemsCount; - while(m_1stNullItemsBeginCount < suballocations2nd.size() && - suballocations2nd[m_1stNullItemsBeginCount].hAllocation == VK_NULL_HANDLE) - { - ++m_1stNullItemsBeginCount; - --m_1stNullItemsMiddleCount; - } - m_2ndNullItemsCount = 0; - m_1stVectorIndex ^= 1; - } - } - } - - VMA_HEAVY_ASSERT(Validate()); -} - - -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Buddy - -VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), - m_Root(VMA_NULL), - m_AllocationCount(0), - m_FreeCount(1), - m_SumFreeSize(0) -{ - memset(m_FreeList, 0, sizeof(m_FreeList)); -} - -VmaBlockMetadata_Buddy::~VmaBlockMetadata_Buddy() -{ - DeleteNode(m_Root); -} - -void VmaBlockMetadata_Buddy::Init(VkDeviceSize size) -{ - VmaBlockMetadata::Init(size); - - m_UsableSize = VmaPrevPow2(size); - m_SumFreeSize = m_UsableSize; - - // Calculate m_LevelCount. - m_LevelCount = 1; - while(m_LevelCount < MAX_LEVELS && - LevelToNodeSize(m_LevelCount) >= MIN_NODE_SIZE) - { - ++m_LevelCount; - } - - Node* rootNode = vma_new(GetAllocationCallbacks(), Node)(); - rootNode->offset = 0; - rootNode->type = Node::TYPE_FREE; - rootNode->parent = VMA_NULL; - rootNode->buddy = VMA_NULL; - - m_Root = rootNode; - AddToFreeListFront(0, rootNode); -} - -bool VmaBlockMetadata_Buddy::Validate() const -{ - // Validate tree. - ValidationContext ctx; - if(!ValidateNode(ctx, VMA_NULL, m_Root, 0, LevelToNodeSize(0))) - { - VMA_VALIDATE(false && "ValidateNode failed."); - } - VMA_VALIDATE(m_AllocationCount == ctx.calculatedAllocationCount); - VMA_VALIDATE(m_SumFreeSize == ctx.calculatedSumFreeSize); - - // Validate free node lists. - for(uint32_t level = 0; level < m_LevelCount; ++level) - { - VMA_VALIDATE(m_FreeList[level].front == VMA_NULL || - m_FreeList[level].front->free.prev == VMA_NULL); - - for(Node* node = m_FreeList[level].front; - node != VMA_NULL; - node = node->free.next) - { - VMA_VALIDATE(node->type == Node::TYPE_FREE); - - if(node->free.next == VMA_NULL) - { - VMA_VALIDATE(m_FreeList[level].back == node); - } - else - { - VMA_VALIDATE(node->free.next->free.prev == node); - } - } - } - - // Validate that free lists ar higher levels are empty. - for(uint32_t level = m_LevelCount; level < MAX_LEVELS; ++level) - { - VMA_VALIDATE(m_FreeList[level].front == VMA_NULL && m_FreeList[level].back == VMA_NULL); - } - - return true; -} - -VkDeviceSize VmaBlockMetadata_Buddy::GetUnusedRangeSizeMax() const -{ - for(uint32_t level = 0; level < m_LevelCount; ++level) - { - if(m_FreeList[level].front != VMA_NULL) - { - return LevelToNodeSize(level); - } - } - return 0; -} - -void VmaBlockMetadata_Buddy::CalcAllocationStatInfo(VmaStatInfo& outInfo) const -{ - const VkDeviceSize unusableSize = GetUnusableSize(); - - outInfo.blockCount = 1; - - outInfo.allocationCount = outInfo.unusedRangeCount = 0; - outInfo.usedBytes = outInfo.unusedBytes = 0; - - outInfo.allocationSizeMax = outInfo.unusedRangeSizeMax = 0; - outInfo.allocationSizeMin = outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.allocationSizeAvg = outInfo.unusedRangeSizeAvg = 0; // Unused. - - CalcAllocationStatInfoNode(outInfo, m_Root, LevelToNodeSize(0)); - - if(unusableSize > 0) - { - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusableSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, unusableSize); - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusableSize); - } -} - -void VmaBlockMetadata_Buddy::AddPoolStats(VmaPoolStats& inoutStats) const -{ - const VkDeviceSize unusableSize = GetUnusableSize(); - - inoutStats.size += GetSize(); - inoutStats.unusedSize += m_SumFreeSize + unusableSize; - inoutStats.allocationCount += m_AllocationCount; - inoutStats.unusedRangeCount += m_FreeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, GetUnusedRangeSizeMax()); - - if(unusableSize > 0) - { - ++inoutStats.unusedRangeCount; - // Not updating inoutStats.unusedRangeSizeMax with unusableSize because this space is not available for allocations. - } -} - -#if VMA_STATS_STRING_ENABLED - -void VmaBlockMetadata_Buddy::PrintDetailedMap(class VmaJsonWriter& json) const -{ - // TODO optimize - VmaStatInfo stat; - CalcAllocationStatInfo(stat); - - PrintDetailedMap_Begin( - json, - stat.unusedBytes, - stat.allocationCount, - stat.unusedRangeCount); - - PrintDetailedMapNode(json, m_Root, LevelToNodeSize(0)); - - const VkDeviceSize unusableSize = GetUnusableSize(); - if(unusableSize > 0) - { - PrintDetailedMap_UnusedRange(json, - m_UsableSize, // offset - unusableSize); // size - } - - PrintDetailedMap_End(json); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -bool VmaBlockMetadata_Buddy::CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) -{ - VMA_ASSERT(!upperAddress && "VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT can be used only with linear algorithm."); - - // Simple way to respect bufferImageGranularity. May be optimized some day. - // Whenever it might be an OPTIMAL image... - if(allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || - allocType == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || - allocType == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL) - { - allocAlignment = VMA_MAX(allocAlignment, bufferImageGranularity); - allocSize = VMA_MAX(allocSize, bufferImageGranularity); - } - - if(allocSize > m_UsableSize) - { - return false; - } - - const uint32_t targetLevel = AllocSizeToLevel(allocSize); - for(uint32_t level = targetLevel + 1; level--; ) - { - for(Node* freeNode = m_FreeList[level].front; - freeNode != VMA_NULL; - freeNode = freeNode->free.next) - { - if(freeNode->offset % allocAlignment == 0) - { - pAllocationRequest->type = VmaAllocationRequestType::Normal; - pAllocationRequest->offset = freeNode->offset; - pAllocationRequest->sumFreeSize = LevelToNodeSize(level); - pAllocationRequest->sumItemSize = 0; - pAllocationRequest->itemsToMakeLostCount = 0; - pAllocationRequest->customData = (void*)(uintptr_t)level; - return true; - } - } - } - - return false; -} - -bool VmaBlockMetadata_Buddy::MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) -{ - /* - Lost allocations are not supported in buddy allocator at the moment. - Support might be added in the future. - */ - return pAllocationRequest->itemsToMakeLostCount == 0; -} - -uint32_t VmaBlockMetadata_Buddy::MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - /* - Lost allocations are not supported in buddy allocator at the moment. - Support might be added in the future. - */ - return 0; -} - -void VmaBlockMetadata_Buddy::Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) -{ - VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); - - const uint32_t targetLevel = AllocSizeToLevel(allocSize); - uint32_t currLevel = (uint32_t)(uintptr_t)request.customData; - - Node* currNode = m_FreeList[currLevel].front; - VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); - while(currNode->offset != request.offset) - { - currNode = currNode->free.next; - VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); - } - - // Go down, splitting free nodes. - while(currLevel < targetLevel) - { - // currNode is already first free node at currLevel. - // Remove it from list of free nodes at this currLevel. - RemoveFromFreeList(currLevel, currNode); - - const uint32_t childrenLevel = currLevel + 1; - - // Create two free sub-nodes. - Node* leftChild = vma_new(GetAllocationCallbacks(), Node)(); - Node* rightChild = vma_new(GetAllocationCallbacks(), Node)(); - - leftChild->offset = currNode->offset; - leftChild->type = Node::TYPE_FREE; - leftChild->parent = currNode; - leftChild->buddy = rightChild; - - rightChild->offset = currNode->offset + LevelToNodeSize(childrenLevel); - rightChild->type = Node::TYPE_FREE; - rightChild->parent = currNode; - rightChild->buddy = leftChild; - - // Convert current currNode to split type. - currNode->type = Node::TYPE_SPLIT; - currNode->split.leftChild = leftChild; - - // Add child nodes to free list. Order is important! - AddToFreeListFront(childrenLevel, rightChild); - AddToFreeListFront(childrenLevel, leftChild); - - ++m_FreeCount; - //m_SumFreeSize -= LevelToNodeSize(currLevel) % 2; // Useful only when level node sizes can be non power of 2. - ++currLevel; - currNode = m_FreeList[currLevel].front; - - /* - We can be sure that currNode, as left child of node previously split, - also fullfills the alignment requirement. - */ - } - - // Remove from free list. - VMA_ASSERT(currLevel == targetLevel && - currNode != VMA_NULL && - currNode->type == Node::TYPE_FREE); - RemoveFromFreeList(currLevel, currNode); - - // Convert to allocation node. - currNode->type = Node::TYPE_ALLOCATION; - currNode->allocation.alloc = hAllocation; - - ++m_AllocationCount; - --m_FreeCount; - m_SumFreeSize -= allocSize; -} - -void VmaBlockMetadata_Buddy::DeleteNode(Node* node) -{ - if(node->type == Node::TYPE_SPLIT) - { - DeleteNode(node->split.leftChild->buddy); - DeleteNode(node->split.leftChild); - } - - vma_delete(GetAllocationCallbacks(), node); -} - -bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const -{ - VMA_VALIDATE(level < m_LevelCount); - VMA_VALIDATE(curr->parent == parent); - VMA_VALIDATE((curr->buddy == VMA_NULL) == (parent == VMA_NULL)); - VMA_VALIDATE(curr->buddy == VMA_NULL || curr->buddy->buddy == curr); - switch(curr->type) - { - case Node::TYPE_FREE: - // curr->free.prev, next are validated separately. - ctx.calculatedSumFreeSize += levelNodeSize; - ++ctx.calculatedFreeCount; - break; - case Node::TYPE_ALLOCATION: - ++ctx.calculatedAllocationCount; - ctx.calculatedSumFreeSize += levelNodeSize - curr->allocation.alloc->GetSize(); - VMA_VALIDATE(curr->allocation.alloc != VK_NULL_HANDLE); - break; - case Node::TYPE_SPLIT: - { - const uint32_t childrenLevel = level + 1; - const VkDeviceSize childrenLevelNodeSize = levelNodeSize / 2; - const Node* const leftChild = curr->split.leftChild; - VMA_VALIDATE(leftChild != VMA_NULL); - VMA_VALIDATE(leftChild->offset == curr->offset); - if(!ValidateNode(ctx, curr, leftChild, childrenLevel, childrenLevelNodeSize)) - { - VMA_VALIDATE(false && "ValidateNode for left child failed."); - } - const Node* const rightChild = leftChild->buddy; - VMA_VALIDATE(rightChild->offset == curr->offset + childrenLevelNodeSize); - if(!ValidateNode(ctx, curr, rightChild, childrenLevel, childrenLevelNodeSize)) - { - VMA_VALIDATE(false && "ValidateNode for right child failed."); - } - } - break; - default: - return false; - } - - return true; -} - -uint32_t VmaBlockMetadata_Buddy::AllocSizeToLevel(VkDeviceSize allocSize) const -{ - // I know this could be optimized somehow e.g. by using std::log2p1 from C++20. - uint32_t level = 0; - VkDeviceSize currLevelNodeSize = m_UsableSize; - VkDeviceSize nextLevelNodeSize = currLevelNodeSize >> 1; - while(allocSize <= nextLevelNodeSize && level + 1 < m_LevelCount) - { - ++level; - currLevelNodeSize = nextLevelNodeSize; - nextLevelNodeSize = currLevelNodeSize >> 1; - } - return level; -} - -void VmaBlockMetadata_Buddy::FreeAtOffset(VmaAllocation alloc, VkDeviceSize offset) -{ - // Find node and level. - Node* node = m_Root; - VkDeviceSize nodeOffset = 0; - uint32_t level = 0; - VkDeviceSize levelNodeSize = LevelToNodeSize(0); - while(node->type == Node::TYPE_SPLIT) - { - const VkDeviceSize nextLevelSize = levelNodeSize >> 1; - if(offset < nodeOffset + nextLevelSize) - { - node = node->split.leftChild; - } - else - { - node = node->split.leftChild->buddy; - nodeOffset += nextLevelSize; - } - ++level; - levelNodeSize = nextLevelSize; - } - - VMA_ASSERT(node != VMA_NULL && node->type == Node::TYPE_ALLOCATION); - VMA_ASSERT(alloc == VK_NULL_HANDLE || node->allocation.alloc == alloc); - - ++m_FreeCount; - --m_AllocationCount; - m_SumFreeSize += alloc->GetSize(); - - node->type = Node::TYPE_FREE; - - // Join free nodes if possible. - while(level > 0 && node->buddy->type == Node::TYPE_FREE) - { - RemoveFromFreeList(level, node->buddy); - Node* const parent = node->parent; - - vma_delete(GetAllocationCallbacks(), node->buddy); - vma_delete(GetAllocationCallbacks(), node); - parent->type = Node::TYPE_FREE; - - node = parent; - --level; - //m_SumFreeSize += LevelToNodeSize(level) % 2; // Useful only when level node sizes can be non power of 2. - --m_FreeCount; - } - - AddToFreeListFront(level, node); -} - -void VmaBlockMetadata_Buddy::CalcAllocationStatInfoNode(VmaStatInfo& outInfo, const Node* node, VkDeviceSize levelNodeSize) const -{ - switch(node->type) - { - case Node::TYPE_FREE: - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += levelNodeSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, levelNodeSize); - outInfo.unusedRangeSizeMin = VMA_MAX(outInfo.unusedRangeSizeMin, levelNodeSize); - break; - case Node::TYPE_ALLOCATION: - { - const VkDeviceSize allocSize = node->allocation.alloc->GetSize(); - ++outInfo.allocationCount; - outInfo.usedBytes += allocSize; - outInfo.allocationSizeMax = VMA_MAX(outInfo.allocationSizeMax, allocSize); - outInfo.allocationSizeMin = VMA_MAX(outInfo.allocationSizeMin, allocSize); - - const VkDeviceSize unusedRangeSize = levelNodeSize - allocSize; - if(unusedRangeSize > 0) - { - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, unusedRangeSize); - outInfo.unusedRangeSizeMin = VMA_MAX(outInfo.unusedRangeSizeMin, unusedRangeSize); - } - } - break; - case Node::TYPE_SPLIT: - { - const VkDeviceSize childrenNodeSize = levelNodeSize / 2; - const Node* const leftChild = node->split.leftChild; - CalcAllocationStatInfoNode(outInfo, leftChild, childrenNodeSize); - const Node* const rightChild = leftChild->buddy; - CalcAllocationStatInfoNode(outInfo, rightChild, childrenNodeSize); - } - break; - default: - VMA_ASSERT(0); - } -} - -void VmaBlockMetadata_Buddy::AddToFreeListFront(uint32_t level, Node* node) -{ - VMA_ASSERT(node->type == Node::TYPE_FREE); - - // List is empty. - Node* const frontNode = m_FreeList[level].front; - if(frontNode == VMA_NULL) - { - VMA_ASSERT(m_FreeList[level].back == VMA_NULL); - node->free.prev = node->free.next = VMA_NULL; - m_FreeList[level].front = m_FreeList[level].back = node; - } - else - { - VMA_ASSERT(frontNode->free.prev == VMA_NULL); - node->free.prev = VMA_NULL; - node->free.next = frontNode; - frontNode->free.prev = node; - m_FreeList[level].front = node; - } -} - -void VmaBlockMetadata_Buddy::RemoveFromFreeList(uint32_t level, Node* node) -{ - VMA_ASSERT(m_FreeList[level].front != VMA_NULL); - - // It is at the front. - if(node->free.prev == VMA_NULL) - { - VMA_ASSERT(m_FreeList[level].front == node); - m_FreeList[level].front = node->free.next; - } - else - { - Node* const prevFreeNode = node->free.prev; - VMA_ASSERT(prevFreeNode->free.next == node); - prevFreeNode->free.next = node->free.next; - } - - // It is at the back. - if(node->free.next == VMA_NULL) - { - VMA_ASSERT(m_FreeList[level].back == node); - m_FreeList[level].back = node->free.prev; - } - else - { - Node* const nextFreeNode = node->free.next; - VMA_ASSERT(nextFreeNode->free.prev == node); - nextFreeNode->free.prev = node->free.prev; - } -} - -#if VMA_STATS_STRING_ENABLED -void VmaBlockMetadata_Buddy::PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const -{ - switch(node->type) - { - case Node::TYPE_FREE: - PrintDetailedMap_UnusedRange(json, node->offset, levelNodeSize); - break; - case Node::TYPE_ALLOCATION: - { - PrintDetailedMap_Allocation(json, node->offset, node->allocation.alloc); - const VkDeviceSize allocSize = node->allocation.alloc->GetSize(); - if(allocSize < levelNodeSize) - { - PrintDetailedMap_UnusedRange(json, node->offset + allocSize, levelNodeSize - allocSize); - } - } - break; - case Node::TYPE_SPLIT: - { - const VkDeviceSize childrenNodeSize = levelNodeSize / 2; - const Node* const leftChild = node->split.leftChild; - PrintDetailedMapNode(json, leftChild, childrenNodeSize); - const Node* const rightChild = leftChild->buddy; - PrintDetailedMapNode(json, rightChild, childrenNodeSize); - } - break; - default: - VMA_ASSERT(0); - } -} -#endif // #if VMA_STATS_STRING_ENABLED - - -//////////////////////////////////////////////////////////////////////////////// -// class VmaDeviceMemoryBlock - -VmaDeviceMemoryBlock::VmaDeviceMemoryBlock(VmaAllocator hAllocator) -{ -} - -void VmaDeviceMemoryBlock::Init( - VmaAllocator hAllocator, - VmaBlockVector* parentBlockVector, - VmaPool hParentPool, - uint32_t newMemoryTypeIndex, - VkDeviceMemory newMemory, - VkDeviceSize newSize, - uint32_t id, - uint32_t algorithm) -{ - VMA_ASSERT(parentBlockVector != VMA_NULL); - VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); - - m_ParentBlockVector = parentBlockVector; - m_hParentPool = hParentPool; - m_MemoryTypeIndex = newMemoryTypeIndex; - m_Id = id; - m_hMemory = newMemory; - - switch(algorithm) - { - case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Linear)(hAllocator); - break; - case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Buddy)(hAllocator); - break; - default: - VMA_ASSERT(0); - // Fall-through. - case 0: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Generic)(hAllocator); - } - m_pMetadata->Init(newSize); -} - -void VmaDeviceMemoryBlock::Destroy(VmaAllocator allocator) -{ - // This is the most important assert in the entire library. - // Hitting it means you have some memory leak - unreleased VmaAllocation objects. - VMA_ASSERT(m_pMetadata->IsEmpty() && "Some allocations were not freed before destruction of this memory block!"); - - VMA_ASSERT(m_hMemory != VK_NULL_HANDLE); - allocator->FreeVulkanMemory(m_MemoryTypeIndex, m_pMetadata->GetSize(), m_hMemory); - m_hMemory = VK_NULL_HANDLE; - - vma_delete(allocator, m_pMetadata); - m_pMetadata = VMA_NULL; -} - -bool VmaDeviceMemoryBlock::Validate() const -{ - VMA_VALIDATE((m_hMemory != VK_NULL_HANDLE) && - (m_pMetadata->GetSize() != 0)); - - return m_pMetadata->Validate(); -} - -VkResult VmaDeviceMemoryBlock::CheckCorruption(VmaAllocator hAllocator) -{ - void* pData = nullptr; - VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) - { - return res; - } - - res = m_pMetadata->CheckCorruption(pData); - - Unmap(hAllocator, 1); - - return res; -} - -VkResult VmaDeviceMemoryBlock::Map(VmaAllocator hAllocator, uint32_t count, void** ppData) -{ - if(count == 0) - { - return VK_SUCCESS; - } - - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - if(m_MapCount != 0) - { - m_MapCount += count; - VMA_ASSERT(m_pMappedData != VMA_NULL); - if(ppData != VMA_NULL) - { - *ppData = m_pMappedData; - } - return VK_SUCCESS; - } - else - { - VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( - hAllocator->m_hDevice, - m_hMemory, - 0, // offset - VK_WHOLE_SIZE, - 0, // flags - &m_pMappedData); - if(result == VK_SUCCESS) - { - if(ppData != VMA_NULL) - { - *ppData = m_pMappedData; - } - m_MapCount = count; - } - return result; - } -} - -void VmaDeviceMemoryBlock::Unmap(VmaAllocator hAllocator, uint32_t count) -{ - if(count == 0) - { - return; - } - - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - if(m_MapCount >= count) - { - m_MapCount -= count; - if(m_MapCount == 0) - { - m_pMappedData = VMA_NULL; - (*hAllocator->GetVulkanFunctions().vkUnmapMemory)(hAllocator->m_hDevice, m_hMemory); - } - } - else - { - VMA_ASSERT(0 && "VkDeviceMemory block is being unmapped while it was not previously mapped."); - } -} - -VkResult VmaDeviceMemoryBlock::WriteMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) -{ - VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); - VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN); - - void* pData; - VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) - { - return res; - } - - VmaWriteMagicValue(pData, allocOffset - VMA_DEBUG_MARGIN); - VmaWriteMagicValue(pData, allocOffset + allocSize); - - Unmap(hAllocator, 1); - - return VK_SUCCESS; -} - -VkResult VmaDeviceMemoryBlock::ValidateMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) -{ - VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); - VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN); - - void* pData; - VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) - { - return res; - } - - if(!VmaValidateMagicValue(pData, allocOffset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE FREED ALLOCATION!"); - } - else if(!VmaValidateMagicValue(pData, allocOffset + allocSize)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER FREED ALLOCATION!"); - } - - Unmap(hAllocator, 1); - - return VK_SUCCESS; -} - -VkResult VmaDeviceMemoryBlock::BindBufferMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext) -{ - VMA_ASSERT(hAllocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK && - hAllocation->GetBlock() == this); - VMA_ASSERT(allocationLocalOffset < hAllocation->GetSize() && - "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); - const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; - // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - return hAllocator->BindVulkanBuffer(m_hMemory, memoryOffset, hBuffer, pNext); -} - -VkResult VmaDeviceMemoryBlock::BindImageMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext) -{ - VMA_ASSERT(hAllocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK && - hAllocation->GetBlock() == this); - VMA_ASSERT(allocationLocalOffset < hAllocation->GetSize() && - "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); - const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; - // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - return hAllocator->BindVulkanImage(m_hMemory, memoryOffset, hImage, pNext); -} - -static void InitStatInfo(VmaStatInfo& outInfo) -{ - memset(&outInfo, 0, sizeof(outInfo)); - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMin = UINT64_MAX; -} - -// Adds statistics srcInfo into inoutInfo, like: inoutInfo += srcInfo. -static void VmaAddStatInfo(VmaStatInfo& inoutInfo, const VmaStatInfo& srcInfo) -{ - inoutInfo.blockCount += srcInfo.blockCount; - inoutInfo.allocationCount += srcInfo.allocationCount; - inoutInfo.unusedRangeCount += srcInfo.unusedRangeCount; - inoutInfo.usedBytes += srcInfo.usedBytes; - inoutInfo.unusedBytes += srcInfo.unusedBytes; - inoutInfo.allocationSizeMin = VMA_MIN(inoutInfo.allocationSizeMin, srcInfo.allocationSizeMin); - inoutInfo.allocationSizeMax = VMA_MAX(inoutInfo.allocationSizeMax, srcInfo.allocationSizeMax); - inoutInfo.unusedRangeSizeMin = VMA_MIN(inoutInfo.unusedRangeSizeMin, srcInfo.unusedRangeSizeMin); - inoutInfo.unusedRangeSizeMax = VMA_MAX(inoutInfo.unusedRangeSizeMax, srcInfo.unusedRangeSizeMax); -} - -static void VmaPostprocessCalcStatInfo(VmaStatInfo& inoutInfo) -{ - inoutInfo.allocationSizeAvg = (inoutInfo.allocationCount > 0) ? - VmaRoundDiv(inoutInfo.usedBytes, inoutInfo.allocationCount) : 0; - inoutInfo.unusedRangeSizeAvg = (inoutInfo.unusedRangeCount > 0) ? - VmaRoundDiv(inoutInfo.unusedBytes, inoutInfo.unusedRangeCount) : 0; -} - -VmaPool_T::VmaPool_T( - VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize) : - m_BlockVector( - hAllocator, - this, // hParentPool - createInfo.memoryTypeIndex, - createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, - createInfo.minBlockCount, - createInfo.maxBlockCount, - (createInfo.flags & VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), - createInfo.frameInUseCount, - createInfo.blockSize != 0, // explicitBlockSize - createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm - createInfo.priority, - VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(createInfo.memoryTypeIndex), createInfo.minAllocationAlignment), - createInfo.pMemoryAllocateNext), - m_Id(0), - m_Name(VMA_NULL) -{ -} - -VmaPool_T::~VmaPool_T() -{ - VMA_ASSERT(m_PrevPool == VMA_NULL && m_NextPool == VMA_NULL); -} - -void VmaPool_T::SetName(const char* pName) -{ - const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); - VmaFreeString(allocs, m_Name); - - if(pName != VMA_NULL) - { - m_Name = VmaCreateStringCopy(allocs, pName); - } - else - { - m_Name = VMA_NULL; - } -} - -#if VMA_STATS_STRING_ENABLED - -#endif // #if VMA_STATS_STRING_ENABLED - -VmaBlockVector::VmaBlockVector( - VmaAllocator hAllocator, - VmaPool hParentPool, - uint32_t memoryTypeIndex, - VkDeviceSize preferredBlockSize, - size_t minBlockCount, - size_t maxBlockCount, - VkDeviceSize bufferImageGranularity, - uint32_t frameInUseCount, - bool explicitBlockSize, - uint32_t algorithm, - float priority, - VkDeviceSize minAllocationAlignment, - void* pMemoryAllocateNext) : - m_hAllocator(hAllocator), - m_hParentPool(hParentPool), - m_MemoryTypeIndex(memoryTypeIndex), - m_PreferredBlockSize(preferredBlockSize), - m_MinBlockCount(minBlockCount), - m_MaxBlockCount(maxBlockCount), - m_BufferImageGranularity(bufferImageGranularity), - m_FrameInUseCount(frameInUseCount), - m_ExplicitBlockSize(explicitBlockSize), - m_Algorithm(algorithm), - m_Priority(priority), - m_MinAllocationAlignment(minAllocationAlignment), - m_pMemoryAllocateNext(pMemoryAllocateNext), - m_HasEmptyBlock(false), - m_Blocks(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - m_NextBlockId(0) -{ -} - -VmaBlockVector::~VmaBlockVector() -{ - for(size_t i = m_Blocks.size(); i--; ) - { - m_Blocks[i]->Destroy(m_hAllocator); - vma_delete(m_hAllocator, m_Blocks[i]); - } -} - -VkResult VmaBlockVector::CreateMinBlocks() -{ - for(size_t i = 0; i < m_MinBlockCount; ++i) - { - VkResult res = CreateBlock(m_PreferredBlockSize, VMA_NULL); - if(res != VK_SUCCESS) - { - return res; - } - } - return VK_SUCCESS; -} - -void VmaBlockVector::GetPoolStats(VmaPoolStats* pStats) -{ - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - - const size_t blockCount = m_Blocks.size(); - - pStats->size = 0; - pStats->unusedSize = 0; - pStats->allocationCount = 0; - pStats->unusedRangeCount = 0; - pStats->unusedRangeSizeMax = 0; - pStats->blockCount = blockCount; - - for(uint32_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - VMA_HEAVY_ASSERT(pBlock->Validate()); - pBlock->m_pMetadata->AddPoolStats(*pStats); - } -} - -bool VmaBlockVector::IsEmpty() -{ - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - return m_Blocks.empty(); -} - -bool VmaBlockVector::IsCorruptionDetectionEnabled() const -{ - const uint32_t requiredMemFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; - return (VMA_DEBUG_DETECT_CORRUPTION != 0) && - (VMA_DEBUG_MARGIN > 0) && - (m_Algorithm == 0 || m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) && - (m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags & requiredMemFlags) == requiredMemFlags; -} - -static const uint32_t VMA_ALLOCATION_TRY_COUNT = 32; - -VkResult VmaBlockVector::Allocate( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations) -{ - size_t allocIndex; - VkResult res = VK_SUCCESS; - - alignment = VMA_MAX(alignment, m_MinAllocationAlignment); - - if(IsCorruptionDetectionEnabled()) - { - size = VmaAlignUp(size, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); - alignment = VmaAlignUp(alignment, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); - } - - { - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - res = AllocatePage( - currentFrameIndex, - size, - alignment, - createInfo, - suballocType, - pAllocations + allocIndex); - if(res != VK_SUCCESS) - { - break; - } - } - } - - if(res != VK_SUCCESS) - { - // Free all already created allocations. - const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); - while(allocIndex--) - { - VmaAllocation_T* const alloc = pAllocations[allocIndex]; - const VkDeviceSize allocSize = alloc->GetSize(); - Free(alloc); - m_hAllocator->m_Budget.RemoveAllocation(heapIndex, allocSize); - } - memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); - } - - return res; -} - -VkResult VmaBlockVector::AllocatePage( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - VmaAllocation* pAllocation) -{ - const bool isUpperAddress = (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; - bool canMakeOtherLost = (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT) != 0; - const bool mapped = (createInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; - const bool isUserDataString = (createInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; - - VkDeviceSize freeMemory; - { - const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); - VmaBudget heapBudget = {}; - m_hAllocator->GetBudget(&heapBudget, heapIndex, 1); - freeMemory = (heapBudget.usage < heapBudget.budget) ? (heapBudget.budget - heapBudget.usage) : 0; - } - - const bool canFallbackToDedicated = !IsCustomPool(); - const bool canCreateNewBlock = - ((createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0) && - (m_Blocks.size() < m_MaxBlockCount) && - (freeMemory >= size || !canFallbackToDedicated); - uint32_t strategy = createInfo.flags & VMA_ALLOCATION_CREATE_STRATEGY_MASK; - - // If linearAlgorithm is used, canMakeOtherLost is available only when used as ring buffer. - // Which in turn is available only when maxBlockCount = 1. - if(m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT && m_MaxBlockCount > 1) - { - canMakeOtherLost = false; - } - - // Upper address can only be used with linear allocator and within single memory block. - if(isUpperAddress && - (m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT || m_MaxBlockCount > 1)) - { - return VK_ERROR_FEATURE_NOT_PRESENT; - } - - // Validate strategy. - switch(strategy) - { - case 0: - strategy = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT; - break; - case VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT: - case VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT: - case VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT: - break; - default: - return VK_ERROR_FEATURE_NOT_PRESENT; - } - - // Early reject: requested allocation size is larger that maximum block size for this block vector. - if(size + 2 * VMA_DEBUG_MARGIN > m_PreferredBlockSize) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - - /* - Under certain condition, this whole section can be skipped for optimization, so - we move on directly to trying to allocate with canMakeOtherLost. That's the case - e.g. for custom pools with linear algorithm. - */ - if(!canMakeOtherLost || canCreateNewBlock) - { - // 1. Search existing allocations. Try to allocate without making other allocations lost. - VmaAllocationCreateFlags allocFlagsCopy = createInfo.flags; - allocFlagsCopy &= ~VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT; - - if(m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) - { - // Use only last block. - if(!m_Blocks.empty()) - { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks.back(); - VMA_ASSERT(pCurrBlock); - VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) - { - VMA_DEBUG_LOG(" Returned from last block #%u", pCurrBlock->GetId()); - return VK_SUCCESS; - } - } - } - else - { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) - { - // Forward order in m_Blocks - prefer blocks with smallest amount of free space. - for(size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex ) - { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) - { - VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); - return VK_SUCCESS; - } - } - } - else // WORST_FIT, FIRST_FIT - { - // Backward order in m_Blocks - prefer blocks with largest amount of free space. - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) - { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) - { - VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); - return VK_SUCCESS; - } - } - } - } - - // 2. Try to create new block. - if(canCreateNewBlock) - { - // Calculate optimal size for new block. - VkDeviceSize newBlockSize = m_PreferredBlockSize; - uint32_t newBlockSizeShift = 0; - const uint32_t NEW_BLOCK_SIZE_SHIFT_MAX = 3; - - if(!m_ExplicitBlockSize) - { - // Allocate 1/8, 1/4, 1/2 as first blocks. - const VkDeviceSize maxExistingBlockSize = CalcMaxBlockSize(); - for(uint32_t i = 0; i < NEW_BLOCK_SIZE_SHIFT_MAX; ++i) - { - const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; - if(smallerNewBlockSize > maxExistingBlockSize && smallerNewBlockSize >= size * 2) - { - newBlockSize = smallerNewBlockSize; - ++newBlockSizeShift; - } - else - { - break; - } - } - } - - size_t newBlockIndex = 0; - VkResult res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? - CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; - // Allocation of this size failed? Try 1/2, 1/4, 1/8 of m_PreferredBlockSize. - if(!m_ExplicitBlockSize) - { - while(res < 0 && newBlockSizeShift < NEW_BLOCK_SIZE_SHIFT_MAX) - { - const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; - if(smallerNewBlockSize >= size) - { - newBlockSize = smallerNewBlockSize; - ++newBlockSizeShift; - res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? - CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - else - { - break; - } - } - } - - if(res == VK_SUCCESS) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[newBlockIndex]; - VMA_ASSERT(pBlock->m_pMetadata->GetSize() >= size); - - res = AllocateFromBlock( - pBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) - { - VMA_DEBUG_LOG(" Created new block #%u Size=%llu", pBlock->GetId(), newBlockSize); - return VK_SUCCESS; - } - else - { - // Allocation from new block failed, possibly due to VMA_DEBUG_MARGIN or alignment. - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - } - } - } - - // 3. Try to allocate from existing blocks with making other allocations lost. - if(canMakeOtherLost) - { - uint32_t tryIndex = 0; - for(; tryIndex < VMA_ALLOCATION_TRY_COUNT; ++tryIndex) - { - VmaDeviceMemoryBlock* pBestRequestBlock = VMA_NULL; - VmaAllocationRequest bestRequest = {}; - VkDeviceSize bestRequestCost = VK_WHOLE_SIZE; - - // 1. Search existing allocations. - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) - { - // Forward order in m_Blocks - prefer blocks with smallest amount of free space. - for(size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex ) - { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VmaAllocationRequest currRequest = {}; - if(pCurrBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, - size, - alignment, - (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, - suballocType, - canMakeOtherLost, - strategy, - &currRequest)) - { - const VkDeviceSize currRequestCost = currRequest.CalcCost(); - if(pBestRequestBlock == VMA_NULL || - currRequestCost < bestRequestCost) - { - pBestRequestBlock = pCurrBlock; - bestRequest = currRequest; - bestRequestCost = currRequestCost; - - if(bestRequestCost == 0) - { - break; - } - } - } - } - } - else // WORST_FIT, FIRST_FIT - { - // Backward order in m_Blocks - prefer blocks with largest amount of free space. - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) - { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VmaAllocationRequest currRequest = {}; - if(pCurrBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, - size, - alignment, - (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, - suballocType, - canMakeOtherLost, - strategy, - &currRequest)) - { - const VkDeviceSize currRequestCost = currRequest.CalcCost(); - if(pBestRequestBlock == VMA_NULL || - currRequestCost < bestRequestCost || - strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - pBestRequestBlock = pCurrBlock; - bestRequest = currRequest; - bestRequestCost = currRequestCost; - - if(bestRequestCost == 0 || - strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - break; - } - } - } - } - } - - if(pBestRequestBlock != VMA_NULL) - { - if(mapped) - { - VkResult res = pBestRequestBlock->Map(m_hAllocator, 1, VMA_NULL); - if(res != VK_SUCCESS) - { - return res; - } - } - - if(pBestRequestBlock->m_pMetadata->MakeRequestedAllocationsLost( - currentFrameIndex, - m_FrameInUseCount, - &bestRequest)) - { - // Allocate from this pBlock. - *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(currentFrameIndex, isUserDataString); - pBestRequestBlock->m_pMetadata->Alloc(bestRequest, suballocType, size, *pAllocation); - UpdateHasEmptyBlock(); - (*pAllocation)->InitBlockAllocation( - pBestRequestBlock, - bestRequest.offset, - alignment, - size, - m_MemoryTypeIndex, - suballocType, - mapped, - (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0); - VMA_HEAVY_ASSERT(pBestRequestBlock->Validate()); - VMA_DEBUG_LOG(" Returned from existing block"); - (*pAllocation)->SetUserData(m_hAllocator, createInfo.pUserData); - m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), size); - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); - } - if(IsCorruptionDetectionEnabled()) - { - VkResult res = pBestRequestBlock->WriteMagicValueAroundAllocation(m_hAllocator, bestRequest.offset, size); - VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); - } - return VK_SUCCESS; - } - // else: Some allocations must have been touched while we are here. Next try. - } - else - { - // Could not find place in any of the blocks - break outer loop. - break; - } - } - /* Maximum number of tries exceeded - a very unlike event when many other - threads are simultaneously touching allocations making it impossible to make - lost at the same time as we try to allocate. */ - if(tryIndex == VMA_ALLOCATION_TRY_COUNT) - { - return VK_ERROR_TOO_MANY_OBJECTS; - } - } - - return VK_ERROR_OUT_OF_DEVICE_MEMORY; -} - -void VmaBlockVector::Free( - const VmaAllocation hAllocation) -{ - VMA_ASSERT(hAllocation->GetBlock()->GetParentBlockVector() == this); - - VmaDeviceMemoryBlock* pBlockToDelete = VMA_NULL; - - bool budgetExceeded = false; - { - const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); - VmaBudget heapBudget = {}; - m_hAllocator->GetBudget(&heapBudget, heapIndex, 1); - budgetExceeded = heapBudget.usage >= heapBudget.budget; - } - - // Scope for lock. - { - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - - VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); - - if(IsCorruptionDetectionEnabled()) - { - VkResult res = pBlock->ValidateMagicValueAroundAllocation(m_hAllocator, hAllocation->GetOffset(), hAllocation->GetSize()); - VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to validate magic value."); - } - - if(hAllocation->IsPersistentMap()) - { - pBlock->Unmap(m_hAllocator, 1); - } - - pBlock->m_pMetadata->Free(hAllocation); - VMA_HEAVY_ASSERT(pBlock->Validate()); - - VMA_DEBUG_LOG(" Freed from MemoryTypeIndex=%u", m_MemoryTypeIndex); - - const bool canDeleteBlock = m_Blocks.size() > m_MinBlockCount; - // pBlock became empty after this deallocation. - if(pBlock->m_pMetadata->IsEmpty()) - { - // Already has empty block. We don't want to have two, so delete this one. - if((m_HasEmptyBlock || budgetExceeded) && canDeleteBlock) - { - pBlockToDelete = pBlock; - Remove(pBlock); - } - // else: We now have an empty block - leave it. - } - // pBlock didn't become empty, but we have another empty block - find and free that one. - // (This is optional, heuristics.) - else if(m_HasEmptyBlock && canDeleteBlock) - { - VmaDeviceMemoryBlock* pLastBlock = m_Blocks.back(); - if(pLastBlock->m_pMetadata->IsEmpty()) - { - pBlockToDelete = pLastBlock; - m_Blocks.pop_back(); - } - } - - UpdateHasEmptyBlock(); - IncrementallySortBlocks(); - } - - // Destruction of a free block. Deferred until this point, outside of mutex - // lock, for performance reason. - if(pBlockToDelete != VMA_NULL) - { - VMA_DEBUG_LOG(" Deleted empty block"); - pBlockToDelete->Destroy(m_hAllocator); - vma_delete(m_hAllocator, pBlockToDelete); - } -} - -VkDeviceSize VmaBlockVector::CalcMaxBlockSize() const -{ - VkDeviceSize result = 0; - for(size_t i = m_Blocks.size(); i--; ) - { - result = VMA_MAX(result, m_Blocks[i]->m_pMetadata->GetSize()); - if(result >= m_PreferredBlockSize) - { - break; - } - } - return result; -} - -void VmaBlockVector::Remove(VmaDeviceMemoryBlock* pBlock) -{ - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) - { - if(m_Blocks[blockIndex] == pBlock) - { - VmaVectorRemove(m_Blocks, blockIndex); - return; - } - } - VMA_ASSERT(0); -} - -void VmaBlockVector::IncrementallySortBlocks() -{ - if(m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) - { - // Bubble sort only until first swap. - for(size_t i = 1; i < m_Blocks.size(); ++i) - { - if(m_Blocks[i - 1]->m_pMetadata->GetSumFreeSize() > m_Blocks[i]->m_pMetadata->GetSumFreeSize()) - { - VMA_SWAP(m_Blocks[i - 1], m_Blocks[i]); - return; - } - } - } -} - -VkResult VmaBlockVector::AllocateFromBlock( - VmaDeviceMemoryBlock* pBlock, - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - VmaAllocationCreateFlags allocFlags, - void* pUserData, - VmaSuballocationType suballocType, - uint32_t strategy, - VmaAllocation* pAllocation) -{ - VMA_ASSERT((allocFlags & VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT) == 0); - const bool isUpperAddress = (allocFlags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; - const bool mapped = (allocFlags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; - const bool isUserDataString = (allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; - - VmaAllocationRequest currRequest = {}; - if(pBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, - size, - alignment, - isUpperAddress, - suballocType, - false, // canMakeOtherLost - strategy, - &currRequest)) - { - // Allocate from pCurrBlock. - VMA_ASSERT(currRequest.itemsToMakeLostCount == 0); - - if(mapped) - { - VkResult res = pBlock->Map(m_hAllocator, 1, VMA_NULL); - if(res != VK_SUCCESS) - { - return res; - } - } - - *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(currentFrameIndex, isUserDataString); - pBlock->m_pMetadata->Alloc(currRequest, suballocType, size, *pAllocation); - UpdateHasEmptyBlock(); - (*pAllocation)->InitBlockAllocation( - pBlock, - currRequest.offset, - alignment, - size, - m_MemoryTypeIndex, - suballocType, - mapped, - (allocFlags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0); - VMA_HEAVY_ASSERT(pBlock->Validate()); - (*pAllocation)->SetUserData(m_hAllocator, pUserData); - m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), size); - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); - } - if(IsCorruptionDetectionEnabled()) - { - VkResult res = pBlock->WriteMagicValueAroundAllocation(m_hAllocator, currRequest.offset, size); - VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); - } - return VK_SUCCESS; - } - return VK_ERROR_OUT_OF_DEVICE_MEMORY; -} - -VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex) -{ - VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; - allocInfo.pNext = m_pMemoryAllocateNext; - allocInfo.memoryTypeIndex = m_MemoryTypeIndex; - allocInfo.allocationSize = blockSize; - -#if VMA_BUFFER_DEVICE_ADDRESS - // Every standalone block can potentially contain a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT - always enable the feature. - VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; - if(m_hAllocator->m_UseKhrBufferDeviceAddress) - { - allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; - VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); - } -#endif // #if VMA_BUFFER_DEVICE_ADDRESS - -#if VMA_MEMORY_PRIORITY - VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; - if(m_hAllocator->m_UseExtMemoryPriority) - { - priorityInfo.priority = m_Priority; - VmaPnextChainPushFront(&allocInfo, &priorityInfo); - } -#endif // #if VMA_MEMORY_PRIORITY - -#if VMA_EXTERNAL_MEMORY - // Attach VkExportMemoryAllocateInfoKHR if necessary. - VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; - exportMemoryAllocInfo.handleTypes = m_hAllocator->GetExternalMemoryHandleTypeFlags(m_MemoryTypeIndex); - if(exportMemoryAllocInfo.handleTypes != 0) - { - VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); - } -#endif // #if VMA_EXTERNAL_MEMORY - - VkDeviceMemory mem = VK_NULL_HANDLE; - VkResult res = m_hAllocator->AllocateVulkanMemory(&allocInfo, &mem); - if(res < 0) - { - return res; - } - - // New VkDeviceMemory successfully created. - - // Create new Allocation for it. - VmaDeviceMemoryBlock* const pBlock = vma_new(m_hAllocator, VmaDeviceMemoryBlock)(m_hAllocator); - pBlock->Init( - m_hAllocator, - this, // parentBlockVector - m_hParentPool, - m_MemoryTypeIndex, - mem, - allocInfo.allocationSize, - m_NextBlockId++, - m_Algorithm); - - m_Blocks.push_back(pBlock); - if(pNewBlockIndex != VMA_NULL) - { - *pNewBlockIndex = m_Blocks.size() - 1; - } - - return VK_SUCCESS; -} - -void VmaBlockVector::ApplyDefragmentationMovesCpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves) -{ - const size_t blockCount = m_Blocks.size(); - const bool isNonCoherent = m_hAllocator->IsMemoryTypeNonCoherent(m_MemoryTypeIndex); - - enum BLOCK_FLAG - { - BLOCK_FLAG_USED = 0x00000001, - BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION = 0x00000002, - }; - - struct BlockInfo - { - uint32_t flags; - void* pMappedData; - }; - VmaVector< BlockInfo, VmaStlAllocator > - blockInfo(blockCount, BlockInfo(), VmaStlAllocator(m_hAllocator->GetAllocationCallbacks())); - memset(blockInfo.data(), 0, blockCount * sizeof(BlockInfo)); - - // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. - const size_t moveCount = moves.size(); - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - blockInfo[move.srcBlockIndex].flags |= BLOCK_FLAG_USED; - blockInfo[move.dstBlockIndex].flags |= BLOCK_FLAG_USED; - } - - VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); - - // Go over all blocks. Get mapped pointer or map if necessary. - for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) - { - BlockInfo& currBlockInfo = blockInfo[blockIndex]; - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if((currBlockInfo.flags & BLOCK_FLAG_USED) != 0) - { - currBlockInfo.pMappedData = pBlock->GetMappedData(); - // It is not originally mapped - map it. - if(currBlockInfo.pMappedData == VMA_NULL) - { - pDefragCtx->res = pBlock->Map(m_hAllocator, 1, &currBlockInfo.pMappedData); - if(pDefragCtx->res == VK_SUCCESS) - { - currBlockInfo.flags |= BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION; - } - } - } - } - - // Go over all moves. Do actual data transfer. - if(pDefragCtx->res == VK_SUCCESS) - { - const VkDeviceSize nonCoherentAtomSize = m_hAllocator->m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; - VkMappedMemoryRange memRange = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE }; - - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - - const BlockInfo& srcBlockInfo = blockInfo[move.srcBlockIndex]; - const BlockInfo& dstBlockInfo = blockInfo[move.dstBlockIndex]; - - VMA_ASSERT(srcBlockInfo.pMappedData && dstBlockInfo.pMappedData); - - // Invalidate source. - if(isNonCoherent) - { - VmaDeviceMemoryBlock* const pSrcBlock = m_Blocks[move.srcBlockIndex]; - memRange.memory = pSrcBlock->GetDeviceMemory(); - memRange.offset = VmaAlignDown(move.srcOffset, nonCoherentAtomSize); - memRange.size = VMA_MIN( - VmaAlignUp(move.size + (move.srcOffset - memRange.offset), nonCoherentAtomSize), - pSrcBlock->m_pMetadata->GetSize() - memRange.offset); - (*m_hAllocator->GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); - } - - // THE PLACE WHERE ACTUAL DATA COPY HAPPENS. - memmove( - reinterpret_cast(dstBlockInfo.pMappedData) + move.dstOffset, - reinterpret_cast(srcBlockInfo.pMappedData) + move.srcOffset, - static_cast(move.size)); - - if(IsCorruptionDetectionEnabled()) - { - VmaWriteMagicValue(dstBlockInfo.pMappedData, move.dstOffset - VMA_DEBUG_MARGIN); - VmaWriteMagicValue(dstBlockInfo.pMappedData, move.dstOffset + move.size); - } - - // Flush destination. - if(isNonCoherent) - { - VmaDeviceMemoryBlock* const pDstBlock = m_Blocks[move.dstBlockIndex]; - memRange.memory = pDstBlock->GetDeviceMemory(); - memRange.offset = VmaAlignDown(move.dstOffset, nonCoherentAtomSize); - memRange.size = VMA_MIN( - VmaAlignUp(move.size + (move.dstOffset - memRange.offset), nonCoherentAtomSize), - pDstBlock->m_pMetadata->GetSize() - memRange.offset); - (*m_hAllocator->GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); - } - } - } - - // Go over all blocks in reverse order. Unmap those that were mapped just for defragmentation. - // Regardless of pCtx->res == VK_SUCCESS. - for(size_t blockIndex = blockCount; blockIndex--; ) - { - const BlockInfo& currBlockInfo = blockInfo[blockIndex]; - if((currBlockInfo.flags & BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION) != 0) - { - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - pBlock->Unmap(m_hAllocator, 1); - } - } -} - -void VmaBlockVector::ApplyDefragmentationMovesGpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkCommandBuffer commandBuffer) -{ - const size_t blockCount = m_Blocks.size(); - - pDefragCtx->blockContexts.resize(blockCount); - memset(pDefragCtx->blockContexts.data(), 0, blockCount * sizeof(VmaBlockDefragmentationContext)); - - // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. - const size_t moveCount = moves.size(); - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - - //if(move.type == VMA_ALLOCATION_TYPE_UNKNOWN) - { - // Old school move still require us to map the whole block - pDefragCtx->blockContexts[move.srcBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; - pDefragCtx->blockContexts[move.dstBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; - } - } - - VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); - - // Go over all blocks. Create and bind buffer for whole block if necessary. - { - VkBufferCreateInfo bufCreateInfo; - VmaFillGpuDefragmentationBufferCreateInfo(bufCreateInfo); - - for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) - { - VmaBlockDefragmentationContext& currBlockCtx = pDefragCtx->blockContexts[blockIndex]; - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if((currBlockCtx.flags & VmaBlockDefragmentationContext::BLOCK_FLAG_USED) != 0) - { - bufCreateInfo.size = pBlock->m_pMetadata->GetSize(); - pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkCreateBuffer)( - m_hAllocator->m_hDevice, &bufCreateInfo, m_hAllocator->GetAllocationCallbacks(), &currBlockCtx.hBuffer); - if(pDefragCtx->res == VK_SUCCESS) - { - pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkBindBufferMemory)( - m_hAllocator->m_hDevice, currBlockCtx.hBuffer, pBlock->GetDeviceMemory(), 0); - } - } - } - } - - // Go over all moves. Post data transfer commands to command buffer. - if(pDefragCtx->res == VK_SUCCESS) - { - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - - const VmaBlockDefragmentationContext& srcBlockCtx = pDefragCtx->blockContexts[move.srcBlockIndex]; - const VmaBlockDefragmentationContext& dstBlockCtx = pDefragCtx->blockContexts[move.dstBlockIndex]; - - VMA_ASSERT(srcBlockCtx.hBuffer && dstBlockCtx.hBuffer); - - VkBufferCopy region = { - move.srcOffset, - move.dstOffset, - move.size }; - (*m_hAllocator->GetVulkanFunctions().vkCmdCopyBuffer)( - commandBuffer, srcBlockCtx.hBuffer, dstBlockCtx.hBuffer, 1, ®ion); - } - } - - // Save buffers to defrag context for later destruction. - if(pDefragCtx->res == VK_SUCCESS && moveCount > 0) - { - pDefragCtx->res = VK_NOT_READY; - } -} - -void VmaBlockVector::FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats) -{ - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) - { - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if(pBlock->m_pMetadata->IsEmpty()) - { - if(m_Blocks.size() > m_MinBlockCount) - { - if(pDefragmentationStats != VMA_NULL) - { - ++pDefragmentationStats->deviceMemoryBlocksFreed; - pDefragmentationStats->bytesFreed += pBlock->m_pMetadata->GetSize(); - } - - VmaVectorRemove(m_Blocks, blockIndex); - pBlock->Destroy(m_hAllocator); - vma_delete(m_hAllocator, pBlock); - } - else - { - break; - } - } - } - UpdateHasEmptyBlock(); -} - -void VmaBlockVector::UpdateHasEmptyBlock() -{ - m_HasEmptyBlock = false; - for(size_t index = 0, count = m_Blocks.size(); index < count; ++index) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[index]; - if(pBlock->m_pMetadata->IsEmpty()) - { - m_HasEmptyBlock = true; - break; - } - } -} - -#if VMA_STATS_STRING_ENABLED - -void VmaBlockVector::PrintDetailedMap(class VmaJsonWriter& json) -{ - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - - json.BeginObject(); - - if(IsCustomPool()) - { - const char* poolName = m_hParentPool->GetName(); - if(poolName != VMA_NULL && poolName[0] != '\0') - { - json.WriteString("Name"); - json.WriteString(poolName); - } - - json.WriteString("MemoryTypeIndex"); - json.WriteNumber(m_MemoryTypeIndex); - - json.WriteString("BlockSize"); - json.WriteNumber(m_PreferredBlockSize); - - json.WriteString("BlockCount"); - json.BeginObject(true); - if(m_MinBlockCount > 0) - { - json.WriteString("Min"); - json.WriteNumber((uint64_t)m_MinBlockCount); - } - if(m_MaxBlockCount < SIZE_MAX) - { - json.WriteString("Max"); - json.WriteNumber((uint64_t)m_MaxBlockCount); - } - json.WriteString("Cur"); - json.WriteNumber((uint64_t)m_Blocks.size()); - json.EndObject(); - - if(m_FrameInUseCount > 0) - { - json.WriteString("FrameInUseCount"); - json.WriteNumber(m_FrameInUseCount); - } - - if(m_Algorithm != 0) - { - json.WriteString("Algorithm"); - json.WriteString(VmaAlgorithmToStr(m_Algorithm)); - } - } - else - { - json.WriteString("PreferredBlockSize"); - json.WriteNumber(m_PreferredBlockSize); - } - - json.WriteString("Blocks"); - json.BeginObject(); - for(size_t i = 0; i < m_Blocks.size(); ++i) - { - json.BeginString(); - json.ContinueString(m_Blocks[i]->GetId()); - json.EndString(); - - m_Blocks[i]->m_pMetadata->PrintDetailedMap(json); - } - json.EndObject(); - - json.EndObject(); -} - -#endif // #if VMA_STATS_STRING_ENABLED - -void VmaBlockVector::Defragment( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags, - VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, - VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer) -{ - pCtx->res = VK_SUCCESS; - - const VkMemoryPropertyFlags memPropFlags = - m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags; - const bool isHostVisible = (memPropFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0; - - const bool canDefragmentOnCpu = maxCpuBytesToMove > 0 && maxCpuAllocationsToMove > 0 && - isHostVisible; - const bool canDefragmentOnGpu = maxGpuBytesToMove > 0 && maxGpuAllocationsToMove > 0 && - !IsCorruptionDetectionEnabled() && - ((1u << m_MemoryTypeIndex) & m_hAllocator->GetGpuDefragmentationMemoryTypeBits()) != 0; - - // There are options to defragment this memory type. - if(canDefragmentOnCpu || canDefragmentOnGpu) - { - bool defragmentOnGpu; - // There is only one option to defragment this memory type. - if(canDefragmentOnGpu != canDefragmentOnCpu) - { - defragmentOnGpu = canDefragmentOnGpu; - } - // Both options are available: Heuristics to choose the best one. - else - { - defragmentOnGpu = (memPropFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0 || - m_hAllocator->IsIntegratedGpu(); - } - - bool overlappingMoveSupported = !defragmentOnGpu; - - if(m_hAllocator->m_UseMutex) - { - if(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) - { - if(!m_Mutex.TryLockWrite()) - { - pCtx->res = VK_ERROR_INITIALIZATION_FAILED; - return; - } - } - else - { - m_Mutex.LockWrite(); - pCtx->mutexLocked = true; - } - } - - pCtx->Begin(overlappingMoveSupported, flags); - - // Defragment. - - const VkDeviceSize maxBytesToMove = defragmentOnGpu ? maxGpuBytesToMove : maxCpuBytesToMove; - const uint32_t maxAllocationsToMove = defragmentOnGpu ? maxGpuAllocationsToMove : maxCpuAllocationsToMove; - pCtx->res = pCtx->GetAlgorithm()->Defragment(pCtx->defragmentationMoves, maxBytesToMove, maxAllocationsToMove, flags); - - // Accumulate statistics. - if(pStats != VMA_NULL) - { - const VkDeviceSize bytesMoved = pCtx->GetAlgorithm()->GetBytesMoved(); - const uint32_t allocationsMoved = pCtx->GetAlgorithm()->GetAllocationsMoved(); - pStats->bytesMoved += bytesMoved; - pStats->allocationsMoved += allocationsMoved; - VMA_ASSERT(bytesMoved <= maxBytesToMove); - VMA_ASSERT(allocationsMoved <= maxAllocationsToMove); - if(defragmentOnGpu) - { - maxGpuBytesToMove -= bytesMoved; - maxGpuAllocationsToMove -= allocationsMoved; - } - else - { - maxCpuBytesToMove -= bytesMoved; - maxCpuAllocationsToMove -= allocationsMoved; - } - } - - if(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) - { - if(m_hAllocator->m_UseMutex) - m_Mutex.UnlockWrite(); - - if(pCtx->res >= VK_SUCCESS && !pCtx->defragmentationMoves.empty()) - pCtx->res = VK_NOT_READY; - - return; - } - - if(pCtx->res >= VK_SUCCESS) - { - if(defragmentOnGpu) - { - ApplyDefragmentationMovesGpu(pCtx, pCtx->defragmentationMoves, commandBuffer); - } - else - { - ApplyDefragmentationMovesCpu(pCtx, pCtx->defragmentationMoves); - } - } - } -} - -void VmaBlockVector::DefragmentationEnd( - class VmaBlockVectorDefragmentationContext* pCtx, - uint32_t flags, - VmaDefragmentationStats* pStats) -{ - if(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL && m_hAllocator->m_UseMutex) - { - VMA_ASSERT(pCtx->mutexLocked == false); - - // Incremental defragmentation doesn't hold the lock, so when we enter here we don't actually have any - // lock protecting us. Since we mutate state here, we have to take the lock out now - m_Mutex.LockWrite(); - pCtx->mutexLocked = true; - } - - // If the mutex isn't locked we didn't do any work and there is nothing to delete. - if(pCtx->mutexLocked || !m_hAllocator->m_UseMutex) - { - // Destroy buffers. - for(size_t blockIndex = pCtx->blockContexts.size(); blockIndex--;) - { - VmaBlockDefragmentationContext &blockCtx = pCtx->blockContexts[blockIndex]; - if(blockCtx.hBuffer) - { - (*m_hAllocator->GetVulkanFunctions().vkDestroyBuffer)(m_hAllocator->m_hDevice, blockCtx.hBuffer, m_hAllocator->GetAllocationCallbacks()); - } - } - - if(pCtx->res >= VK_SUCCESS) - { - FreeEmptyBlocks(pStats); - } - } - - if(pCtx->mutexLocked) - { - VMA_ASSERT(m_hAllocator->m_UseMutex); - m_Mutex.UnlockWrite(); - } -} - -uint32_t VmaBlockVector::ProcessDefragmentations( - class VmaBlockVectorDefragmentationContext *pCtx, - VmaDefragmentationPassMoveInfo* pMove, uint32_t maxMoves) -{ - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - - const uint32_t moveCount = VMA_MIN(uint32_t(pCtx->defragmentationMoves.size()) - pCtx->defragmentationMovesProcessed, maxMoves); - - for(uint32_t i = 0; i < moveCount; ++ i) - { - VmaDefragmentationMove& move = pCtx->defragmentationMoves[pCtx->defragmentationMovesProcessed + i]; - - pMove->allocation = move.hAllocation; - pMove->memory = move.pDstBlock->GetDeviceMemory(); - pMove->offset = move.dstOffset; - - ++ pMove; - } - - pCtx->defragmentationMovesProcessed += moveCount; - - return moveCount; -} - -void VmaBlockVector::CommitDefragmentations( - class VmaBlockVectorDefragmentationContext *pCtx, - VmaDefragmentationStats* pStats) -{ - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - - for(uint32_t i = pCtx->defragmentationMovesCommitted; i < pCtx->defragmentationMovesProcessed; ++ i) - { - const VmaDefragmentationMove &move = pCtx->defragmentationMoves[i]; - - move.pSrcBlock->m_pMetadata->FreeAtOffset(move.srcOffset); - move.hAllocation->ChangeBlockAllocation(m_hAllocator, move.pDstBlock, move.dstOffset); - } - - pCtx->defragmentationMovesCommitted = pCtx->defragmentationMovesProcessed; - FreeEmptyBlocks(pStats); -} - -size_t VmaBlockVector::CalcAllocationCount() const -{ - size_t result = 0; - for(size_t i = 0; i < m_Blocks.size(); ++i) - { - result += m_Blocks[i]->m_pMetadata->GetAllocationCount(); - } - return result; -} - -bool VmaBlockVector::IsBufferImageGranularityConflictPossible() const -{ - if(m_BufferImageGranularity == 1) - { - return false; - } - VmaSuballocationType lastSuballocType = VMA_SUBALLOCATION_TYPE_FREE; - for(size_t i = 0, count = m_Blocks.size(); i < count; ++i) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[i]; - VMA_ASSERT(m_Algorithm == 0); - VmaBlockMetadata_Generic* const pMetadata = (VmaBlockMetadata_Generic*)pBlock->m_pMetadata; - if(pMetadata->IsBufferImageGranularityConflictPossible(m_BufferImageGranularity, lastSuballocType)) - { - return true; - } - } - return false; -} - -void VmaBlockVector::MakePoolAllocationsLost( - uint32_t currentFrameIndex, - size_t* pLostAllocationCount) -{ - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - size_t lostAllocationCount = 0; - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - lostAllocationCount += pBlock->m_pMetadata->MakeAllocationsLost(currentFrameIndex, m_FrameInUseCount); - } - if(pLostAllocationCount != VMA_NULL) - { - *pLostAllocationCount = lostAllocationCount; - } -} - -VkResult VmaBlockVector::CheckCorruption() -{ - if(!IsCorruptionDetectionEnabled()) - { - return VK_ERROR_FEATURE_NOT_PRESENT; - } - - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - VkResult res = pBlock->CheckCorruption(m_hAllocator); - if(res != VK_SUCCESS) - { - return res; - } - } - return VK_SUCCESS; -} - -void VmaBlockVector::AddStats(VmaStats* pStats) -{ - const uint32_t memTypeIndex = m_MemoryTypeIndex; - const uint32_t memHeapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(memTypeIndex); - - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) - { - const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - VMA_HEAVY_ASSERT(pBlock->Validate()); - VmaStatInfo allocationStatInfo; - pBlock->m_pMetadata->CalcAllocationStatInfo(allocationStatInfo); - VmaAddStatInfo(pStats->total, allocationStatInfo); - VmaAddStatInfo(pStats->memoryType[memTypeIndex], allocationStatInfo); - VmaAddStatInfo(pStats->memoryHeap[memHeapIndex], allocationStatInfo); - } -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationAlgorithm_Generic members definition - -VmaDefragmentationAlgorithm_Generic::VmaDefragmentationAlgorithm_Generic( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported) : - VmaDefragmentationAlgorithm(hAllocator, pBlockVector, currentFrameIndex), - m_AllocationCount(0), - m_AllAllocations(false), - m_BytesMoved(0), - m_AllocationsMoved(0), - m_Blocks(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) -{ - // Create block info for each block. - const size_t blockCount = m_pBlockVector->m_Blocks.size(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - BlockInfo* pBlockInfo = vma_new(m_hAllocator, BlockInfo)(m_hAllocator->GetAllocationCallbacks()); - pBlockInfo->m_OriginalBlockIndex = blockIndex; - pBlockInfo->m_pBlock = m_pBlockVector->m_Blocks[blockIndex]; - m_Blocks.push_back(pBlockInfo); - } - - // Sort them by m_pBlock pointer value. - VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockPointerLess()); -} - -VmaDefragmentationAlgorithm_Generic::~VmaDefragmentationAlgorithm_Generic() -{ - for(size_t i = m_Blocks.size(); i--; ) - { - vma_delete(m_hAllocator, m_Blocks[i]); - } -} - -void VmaDefragmentationAlgorithm_Generic::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) -{ - // Now as we are inside VmaBlockVector::m_Mutex, we can make final check if this allocation was not lost. - if(hAlloc->GetLastUseFrameIndex() != VMA_FRAME_INDEX_LOST) - { - VmaDeviceMemoryBlock* pBlock = hAlloc->GetBlock(); - BlockInfoVector::iterator it = VmaBinaryFindFirstNotLess(m_Blocks.begin(), m_Blocks.end(), pBlock, BlockPointerLess()); - if(it != m_Blocks.end() && (*it)->m_pBlock == pBlock) - { - AllocationInfo allocInfo = AllocationInfo(hAlloc, pChanged); - (*it)->m_Allocations.push_back(allocInfo); - } - else - { - VMA_ASSERT(0); - } - - ++m_AllocationCount; - } -} - -VkResult VmaDefragmentationAlgorithm_Generic::DefragmentRound( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - bool freeOldAllocations) -{ - if(m_Blocks.empty()) - { - return VK_SUCCESS; - } - - // This is a choice based on research. - // Option 1: - uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT; - // Option 2: - //uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT; - // Option 3: - //uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT; - - size_t srcBlockMinIndex = 0; - // When FAST_ALGORITHM, move allocations from only last out of blocks that contain non-movable allocations. - /* - if(m_AlgorithmFlags & VMA_DEFRAGMENTATION_FAST_ALGORITHM_BIT) - { - const size_t blocksWithNonMovableCount = CalcBlocksWithNonMovableCount(); - if(blocksWithNonMovableCount > 0) - { - srcBlockMinIndex = blocksWithNonMovableCount - 1; - } - } - */ - - size_t srcBlockIndex = m_Blocks.size() - 1; - size_t srcAllocIndex = SIZE_MAX; - for(;;) - { - // 1. Find next allocation to move. - // 1.1. Start from last to first m_Blocks - they are sorted from most "destination" to most "source". - // 1.2. Then start from last to first m_Allocations. - while(srcAllocIndex >= m_Blocks[srcBlockIndex]->m_Allocations.size()) - { - if(m_Blocks[srcBlockIndex]->m_Allocations.empty()) - { - // Finished: no more allocations to process. - if(srcBlockIndex == srcBlockMinIndex) - { - return VK_SUCCESS; - } - else - { - --srcBlockIndex; - srcAllocIndex = SIZE_MAX; - } - } - else - { - srcAllocIndex = m_Blocks[srcBlockIndex]->m_Allocations.size() - 1; - } - } - - BlockInfo* pSrcBlockInfo = m_Blocks[srcBlockIndex]; - AllocationInfo& allocInfo = pSrcBlockInfo->m_Allocations[srcAllocIndex]; - - const VkDeviceSize size = allocInfo.m_hAllocation->GetSize(); - const VkDeviceSize srcOffset = allocInfo.m_hAllocation->GetOffset(); - const VkDeviceSize alignment = allocInfo.m_hAllocation->GetAlignment(); - const VmaSuballocationType suballocType = allocInfo.m_hAllocation->GetSuballocationType(); - - // 2. Try to find new place for this allocation in preceding or current block. - for(size_t dstBlockIndex = 0; dstBlockIndex <= srcBlockIndex; ++dstBlockIndex) - { - BlockInfo* pDstBlockInfo = m_Blocks[dstBlockIndex]; - VmaAllocationRequest dstAllocRequest; - if(pDstBlockInfo->m_pBlock->m_pMetadata->CreateAllocationRequest( - m_CurrentFrameIndex, - m_pBlockVector->GetFrameInUseCount(), - m_pBlockVector->GetBufferImageGranularity(), - size, - alignment, - false, // upperAddress - suballocType, - false, // canMakeOtherLost - strategy, - &dstAllocRequest) && - MoveMakesSense( - dstBlockIndex, dstAllocRequest.offset, srcBlockIndex, srcOffset)) - { - VMA_ASSERT(dstAllocRequest.itemsToMakeLostCount == 0); - - // Reached limit on number of allocations or bytes to move. - if((m_AllocationsMoved + 1 > maxAllocationsToMove) || - (m_BytesMoved + size > maxBytesToMove)) - { - return VK_SUCCESS; - } - - VmaDefragmentationMove move = {}; - move.srcBlockIndex = pSrcBlockInfo->m_OriginalBlockIndex; - move.dstBlockIndex = pDstBlockInfo->m_OriginalBlockIndex; - move.srcOffset = srcOffset; - move.dstOffset = dstAllocRequest.offset; - move.size = size; - move.hAllocation = allocInfo.m_hAllocation; - move.pSrcBlock = pSrcBlockInfo->m_pBlock; - move.pDstBlock = pDstBlockInfo->m_pBlock; - - moves.push_back(move); - - pDstBlockInfo->m_pBlock->m_pMetadata->Alloc( - dstAllocRequest, - suballocType, - size, - allocInfo.m_hAllocation); - - if(freeOldAllocations) - { - pSrcBlockInfo->m_pBlock->m_pMetadata->FreeAtOffset(srcOffset); - allocInfo.m_hAllocation->ChangeBlockAllocation(m_hAllocator, pDstBlockInfo->m_pBlock, dstAllocRequest.offset); - } - - if(allocInfo.m_pChanged != VMA_NULL) - { - *allocInfo.m_pChanged = VK_TRUE; - } - - ++m_AllocationsMoved; - m_BytesMoved += size; - - VmaVectorRemove(pSrcBlockInfo->m_Allocations, srcAllocIndex); - - break; - } - } - - // If not processed, this allocInfo remains in pBlockInfo->m_Allocations for next round. - - if(srcAllocIndex > 0) - { - --srcAllocIndex; - } - else - { - if(srcBlockIndex > 0) - { - --srcBlockIndex; - srcAllocIndex = SIZE_MAX; - } - else - { - return VK_SUCCESS; - } - } - } -} - -size_t VmaDefragmentationAlgorithm_Generic::CalcBlocksWithNonMovableCount() const -{ - size_t result = 0; - for(size_t i = 0; i < m_Blocks.size(); ++i) - { - if(m_Blocks[i]->m_HasNonMovableAllocations) - { - ++result; - } - } - return result; -} - -VkResult VmaDefragmentationAlgorithm_Generic::Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - VmaDefragmentationFlags flags) -{ - if(!m_AllAllocations && m_AllocationCount == 0) - { - return VK_SUCCESS; - } - - const size_t blockCount = m_Blocks.size(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - BlockInfo* pBlockInfo = m_Blocks[blockIndex]; - - if(m_AllAllocations) - { - VmaBlockMetadata_Generic* pMetadata = (VmaBlockMetadata_Generic*)pBlockInfo->m_pBlock->m_pMetadata; - for(VmaSuballocationList::const_iterator it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); - ++it) - { - if(it->type != VMA_SUBALLOCATION_TYPE_FREE) - { - AllocationInfo allocInfo = AllocationInfo(it->hAllocation, VMA_NULL); - pBlockInfo->m_Allocations.push_back(allocInfo); - } - } - } - - pBlockInfo->CalcHasNonMovableAllocations(); - - // This is a choice based on research. - // Option 1: - pBlockInfo->SortAllocationsByOffsetDescending(); - // Option 2: - //pBlockInfo->SortAllocationsBySizeDescending(); - } - - // Sort m_Blocks this time by the main criterium, from most "destination" to most "source" blocks. - VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockInfoCompareMoveDestination()); - - // This is a choice based on research. - const uint32_t roundCount = 2; - - // Execute defragmentation rounds (the main part). - VkResult result = VK_SUCCESS; - for(uint32_t round = 0; (round < roundCount) && (result == VK_SUCCESS); ++round) - { - result = DefragmentRound(moves, maxBytesToMove, maxAllocationsToMove, !(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL)); - } - - return result; -} - -bool VmaDefragmentationAlgorithm_Generic::MoveMakesSense( - size_t dstBlockIndex, VkDeviceSize dstOffset, - size_t srcBlockIndex, VkDeviceSize srcOffset) -{ - if(dstBlockIndex < srcBlockIndex) - { - return true; - } - if(dstBlockIndex > srcBlockIndex) - { - return false; - } - if(dstOffset < srcOffset) - { - return true; - } - return false; -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationAlgorithm_Fast - -VmaDefragmentationAlgorithm_Fast::VmaDefragmentationAlgorithm_Fast( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported) : - VmaDefragmentationAlgorithm(hAllocator, pBlockVector, currentFrameIndex), - m_OverlappingMoveSupported(overlappingMoveSupported), - m_AllocationCount(0), - m_AllAllocations(false), - m_BytesMoved(0), - m_AllocationsMoved(0), - m_BlockInfos(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) -{ - VMA_ASSERT(VMA_DEBUG_MARGIN == 0); - -} - -VmaDefragmentationAlgorithm_Fast::~VmaDefragmentationAlgorithm_Fast() -{ -} - -VkResult VmaDefragmentationAlgorithm_Fast::Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove, - VmaDefragmentationFlags flags) -{ - VMA_ASSERT(m_AllAllocations || m_pBlockVector->CalcAllocationCount() == m_AllocationCount); - - const size_t blockCount = m_pBlockVector->GetBlockCount(); - if(blockCount == 0 || maxBytesToMove == 0 || maxAllocationsToMove == 0) - { - return VK_SUCCESS; - } - - PreprocessMetadata(); - - // Sort blocks in order from most destination. - - m_BlockInfos.resize(blockCount); - for(size_t i = 0; i < blockCount; ++i) - { - m_BlockInfos[i].origBlockIndex = i; - } - - VMA_SORT(m_BlockInfos.begin(), m_BlockInfos.end(), [this](const BlockInfo& lhs, const BlockInfo& rhs) -> bool { - return m_pBlockVector->GetBlock(lhs.origBlockIndex)->m_pMetadata->GetSumFreeSize() < - m_pBlockVector->GetBlock(rhs.origBlockIndex)->m_pMetadata->GetSumFreeSize(); - }); - - // THE MAIN ALGORITHM - - FreeSpaceDatabase freeSpaceDb; - - size_t dstBlockInfoIndex = 0; - size_t dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); - VmaBlockMetadata_Generic* pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; - VkDeviceSize dstBlockSize = pDstMetadata->GetSize(); - VkDeviceSize dstOffset = 0; - - bool end = false; - for(size_t srcBlockInfoIndex = 0; !end && srcBlockInfoIndex < blockCount; ++srcBlockInfoIndex) - { - const size_t srcOrigBlockIndex = m_BlockInfos[srcBlockInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* const pSrcBlock = m_pBlockVector->GetBlock(srcOrigBlockIndex); - VmaBlockMetadata_Generic* const pSrcMetadata = (VmaBlockMetadata_Generic*)pSrcBlock->m_pMetadata; - for(VmaSuballocationList::iterator srcSuballocIt = pSrcMetadata->m_Suballocations.begin(); - !end && srcSuballocIt != pSrcMetadata->m_Suballocations.end(); ) - { - VmaAllocation_T* const pAlloc = srcSuballocIt->hAllocation; - const VkDeviceSize srcAllocAlignment = pAlloc->GetAlignment(); - const VkDeviceSize srcAllocSize = srcSuballocIt->size; - if(m_AllocationsMoved == maxAllocationsToMove || - m_BytesMoved + srcAllocSize > maxBytesToMove) - { - end = true; - break; - } - const VkDeviceSize srcAllocOffset = srcSuballocIt->offset; - - VmaDefragmentationMove move = {}; - // Try to place it in one of free spaces from the database. - size_t freeSpaceInfoIndex; - VkDeviceSize dstAllocOffset; - if(freeSpaceDb.Fetch(srcAllocAlignment, srcAllocSize, - freeSpaceInfoIndex, dstAllocOffset)) - { - size_t freeSpaceOrigBlockIndex = m_BlockInfos[freeSpaceInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* pFreeSpaceBlock = m_pBlockVector->GetBlock(freeSpaceOrigBlockIndex); - VmaBlockMetadata_Generic* pFreeSpaceMetadata = (VmaBlockMetadata_Generic*)pFreeSpaceBlock->m_pMetadata; - - // Same block - if(freeSpaceInfoIndex == srcBlockInfoIndex) - { - VMA_ASSERT(dstAllocOffset <= srcAllocOffset); - - // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeOffset(dstAllocOffset); - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - - InsertSuballoc(pFreeSpaceMetadata, suballoc); - - move.srcBlockIndex = srcOrigBlockIndex; - move.dstBlockIndex = freeSpaceOrigBlockIndex; - move.srcOffset = srcAllocOffset; - move.dstOffset = dstAllocOffset; - move.size = srcAllocSize; - - moves.push_back(move); - } - // Different block - else - { - // MOVE OPTION 2: Move the allocation to a different block. - - VMA_ASSERT(freeSpaceInfoIndex < srcBlockInfoIndex); - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeBlockAllocation(m_hAllocator, pFreeSpaceBlock, dstAllocOffset); - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - - InsertSuballoc(pFreeSpaceMetadata, suballoc); - - move.srcBlockIndex = srcOrigBlockIndex; - move.dstBlockIndex = freeSpaceOrigBlockIndex; - move.srcOffset = srcAllocOffset; - move.dstOffset = dstAllocOffset; - move.size = srcAllocSize; - - moves.push_back(move); - } - } - else - { - dstAllocOffset = VmaAlignUp(dstOffset, srcAllocAlignment); - - // If the allocation doesn't fit before the end of dstBlock, forward to next block. - while(dstBlockInfoIndex < srcBlockInfoIndex && - dstAllocOffset + srcAllocSize > dstBlockSize) - { - // But before that, register remaining free space at the end of dst block. - freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, dstBlockSize - dstOffset); - - ++dstBlockInfoIndex; - dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; - pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); - pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; - dstBlockSize = pDstMetadata->GetSize(); - dstOffset = 0; - dstAllocOffset = 0; - } - - // Same block - if(dstBlockInfoIndex == srcBlockInfoIndex) - { - VMA_ASSERT(dstAllocOffset <= srcAllocOffset); - - const bool overlap = dstAllocOffset + srcAllocSize > srcAllocOffset; - - bool skipOver = overlap; - if(overlap && m_OverlappingMoveSupported && dstAllocOffset < srcAllocOffset) - { - // If destination and source place overlap, skip if it would move it - // by only < 1/64 of its size. - skipOver = (srcAllocOffset - dstAllocOffset) * 64 < srcAllocSize; - } - - if(skipOver) - { - freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, srcAllocOffset - dstOffset); - - dstOffset = srcAllocOffset + srcAllocSize; - ++srcSuballocIt; - } - // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. - else - { - srcSuballocIt->offset = dstAllocOffset; - srcSuballocIt->hAllocation->ChangeOffset(dstAllocOffset); - dstOffset = dstAllocOffset + srcAllocSize; - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - ++srcSuballocIt; - - move.srcBlockIndex = srcOrigBlockIndex; - move.dstBlockIndex = dstOrigBlockIndex; - move.srcOffset = srcAllocOffset; - move.dstOffset = dstAllocOffset; - move.size = srcAllocSize; - - moves.push_back(move); - } - } - // Different block - else - { - // MOVE OPTION 2: Move the allocation to a different block. - - VMA_ASSERT(dstBlockInfoIndex < srcBlockInfoIndex); - VMA_ASSERT(dstAllocOffset + srcAllocSize <= dstBlockSize); - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeBlockAllocation(m_hAllocator, pDstBlock, dstAllocOffset); - dstOffset = dstAllocOffset + srcAllocSize; - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - - pDstMetadata->m_Suballocations.push_back(suballoc); - - move.srcBlockIndex = srcOrigBlockIndex; - move.dstBlockIndex = dstOrigBlockIndex; - move.srcOffset = srcAllocOffset; - move.dstOffset = dstAllocOffset; - move.size = srcAllocSize; - - moves.push_back(move); - } - } - } - } - - m_BlockInfos.clear(); - - PostprocessMetadata(); - - return VK_SUCCESS; -} - -void VmaDefragmentationAlgorithm_Fast::PreprocessMetadata() -{ - const size_t blockCount = m_pBlockVector->GetBlockCount(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - VmaBlockMetadata_Generic* const pMetadata = - (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; - pMetadata->m_FreeCount = 0; - pMetadata->m_SumFreeSize = pMetadata->GetSize(); - pMetadata->m_FreeSuballocationsBySize.clear(); - for(VmaSuballocationList::iterator it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); ) - { - if(it->type == VMA_SUBALLOCATION_TYPE_FREE) - { - VmaSuballocationList::iterator nextIt = it; - ++nextIt; - pMetadata->m_Suballocations.erase(it); - it = nextIt; - } - else - { - ++it; - } - } - } -} - -void VmaDefragmentationAlgorithm_Fast::PostprocessMetadata() -{ - const size_t blockCount = m_pBlockVector->GetBlockCount(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - VmaBlockMetadata_Generic* const pMetadata = - (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; - const VkDeviceSize blockSize = pMetadata->GetSize(); - - // No allocations in this block - entire area is free. - if(pMetadata->m_Suballocations.empty()) - { - pMetadata->m_FreeCount = 1; - //pMetadata->m_SumFreeSize is already set to blockSize. - VmaSuballocation suballoc = { - 0, // offset - blockSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - pMetadata->m_Suballocations.push_back(suballoc); - pMetadata->RegisterFreeSuballocation(pMetadata->m_Suballocations.begin()); - } - // There are some allocations in this block. - else - { - VkDeviceSize offset = 0; - VmaSuballocationList::iterator it; - for(it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); - ++it) - { - VMA_ASSERT(it->type != VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(it->offset >= offset); - - // Need to insert preceding free space. - if(it->offset > offset) - { - ++pMetadata->m_FreeCount; - const VkDeviceSize freeSize = it->offset - offset; - VmaSuballocation suballoc = { - offset, // offset - freeSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - VmaSuballocationList::iterator precedingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); - if(freeSize >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - pMetadata->m_FreeSuballocationsBySize.push_back(precedingFreeIt); - } - } - - pMetadata->m_SumFreeSize -= it->size; - offset = it->offset + it->size; - } - - // Need to insert trailing free space. - if(offset < blockSize) - { - ++pMetadata->m_FreeCount; - const VkDeviceSize freeSize = blockSize - offset; - VmaSuballocation suballoc = { - offset, // offset - freeSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - VMA_ASSERT(it == pMetadata->m_Suballocations.end()); - VmaSuballocationList::iterator trailingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); - if(freeSize > VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - pMetadata->m_FreeSuballocationsBySize.push_back(trailingFreeIt); - } - } - - VMA_SORT( - pMetadata->m_FreeSuballocationsBySize.begin(), - pMetadata->m_FreeSuballocationsBySize.end(), - VmaSuballocationItemSizeLess()); - } - - VMA_HEAVY_ASSERT(pMetadata->Validate()); - } -} - -void VmaDefragmentationAlgorithm_Fast::InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc) -{ - // TODO: Optimize somehow. Remember iterator instead of searching for it linearly. - VmaSuballocationList::iterator it = pMetadata->m_Suballocations.begin(); - while(it != pMetadata->m_Suballocations.end()) - { - if(it->offset < suballoc.offset) - { - ++it; - } - } - pMetadata->m_Suballocations.insert(it, suballoc); -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaBlockVectorDefragmentationContext - -VmaBlockVectorDefragmentationContext::VmaBlockVectorDefragmentationContext( - VmaAllocator hAllocator, - VmaPool hCustomPool, - VmaBlockVector* pBlockVector, - uint32_t currFrameIndex) : - res(VK_SUCCESS), - mutexLocked(false), - blockContexts(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - defragmentationMoves(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - defragmentationMovesProcessed(0), - defragmentationMovesCommitted(0), - hasDefragmentationPlan(0), - m_hAllocator(hAllocator), - m_hCustomPool(hCustomPool), - m_pBlockVector(pBlockVector), - m_CurrFrameIndex(currFrameIndex), - m_pAlgorithm(VMA_NULL), - m_Allocations(VmaStlAllocator(hAllocator->GetAllocationCallbacks())), - m_AllAllocations(false) -{ -} - -VmaBlockVectorDefragmentationContext::~VmaBlockVectorDefragmentationContext() -{ - vma_delete(m_hAllocator, m_pAlgorithm); -} - -void VmaBlockVectorDefragmentationContext::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) -{ - AllocInfo info = { hAlloc, pChanged }; - m_Allocations.push_back(info); -} - -void VmaBlockVectorDefragmentationContext::Begin(bool overlappingMoveSupported, VmaDefragmentationFlags flags) -{ - const bool allAllocations = m_AllAllocations || - m_Allocations.size() == m_pBlockVector->CalcAllocationCount(); - - /******************************** - HERE IS THE CHOICE OF DEFRAGMENTATION ALGORITHM. - ********************************/ - - /* - Fast algorithm is supported only when certain criteria are met: - - VMA_DEBUG_MARGIN is 0. - - All allocations in this block vector are moveable. - - There is no possibility of image/buffer granularity conflict. - - The defragmentation is not incremental - */ - if(VMA_DEBUG_MARGIN == 0 && - allAllocations && - !m_pBlockVector->IsBufferImageGranularityConflictPossible() && - !(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL)) - { - m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Fast)( - m_hAllocator, m_pBlockVector, m_CurrFrameIndex, overlappingMoveSupported); - } - else - { - m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Generic)( - m_hAllocator, m_pBlockVector, m_CurrFrameIndex, overlappingMoveSupported); - } - - if(allAllocations) - { - m_pAlgorithm->AddAll(); - } - else - { - for(size_t i = 0, count = m_Allocations.size(); i < count; ++i) - { - m_pAlgorithm->AddAllocation(m_Allocations[i].hAlloc, m_Allocations[i].pChanged); - } - } -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationContext - -VmaDefragmentationContext_T::VmaDefragmentationContext_T( - VmaAllocator hAllocator, - uint32_t currFrameIndex, - uint32_t flags, - VmaDefragmentationStats* pStats) : - m_hAllocator(hAllocator), - m_CurrFrameIndex(currFrameIndex), - m_Flags(flags), - m_pStats(pStats), - m_CustomPoolContexts(VmaStlAllocator(hAllocator->GetAllocationCallbacks())) -{ - memset(m_DefaultPoolContexts, 0, sizeof(m_DefaultPoolContexts)); -} - -VmaDefragmentationContext_T::~VmaDefragmentationContext_T() -{ - for(size_t i = m_CustomPoolContexts.size(); i--; ) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[i]; - pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_Flags, m_pStats); - vma_delete(m_hAllocator, pBlockVectorCtx); - } - for(size_t i = m_hAllocator->m_MemProps.memoryTypeCount; i--; ) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[i]; - if(pBlockVectorCtx) - { - pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_Flags, m_pStats); - vma_delete(m_hAllocator, pBlockVectorCtx); - } - } -} - -void VmaDefragmentationContext_T::AddPools(uint32_t poolCount, const VmaPool* pPools) -{ - for(uint32_t poolIndex = 0; poolIndex < poolCount; ++poolIndex) - { - VmaPool pool = pPools[poolIndex]; - VMA_ASSERT(pool); - // Pools with algorithm other than default are not defragmented. - if(pool->m_BlockVector.GetAlgorithm() == 0) - { - VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; - - for(size_t i = m_CustomPoolContexts.size(); i--; ) - { - if(m_CustomPoolContexts[i]->GetCustomPool() == pool) - { - pBlockVectorDefragCtx = m_CustomPoolContexts[i]; - break; - } - } - - if(!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - pool, - &pool->m_BlockVector, - m_CurrFrameIndex); - m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); - } - - pBlockVectorDefragCtx->AddAll(); - } - } -} - -void VmaDefragmentationContext_T::AddAllocations( - uint32_t allocationCount, - const VmaAllocation* pAllocations, - VkBool32* pAllocationsChanged) -{ - // Dispatch pAllocations among defragmentators. Create them when necessary. - for(uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - const VmaAllocation hAlloc = pAllocations[allocIndex]; - VMA_ASSERT(hAlloc); - // DedicatedAlloc cannot be defragmented. - if((hAlloc->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK) && - // Lost allocation cannot be defragmented. - (hAlloc->GetLastUseFrameIndex() != VMA_FRAME_INDEX_LOST)) - { - VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; - - const VmaPool hAllocPool = hAlloc->GetBlock()->GetParentPool(); - // This allocation belongs to custom pool. - if(hAllocPool != VK_NULL_HANDLE) - { - // Pools with algorithm other than default are not defragmented. - if(hAllocPool->m_BlockVector.GetAlgorithm() == 0) - { - for(size_t i = m_CustomPoolContexts.size(); i--; ) - { - if(m_CustomPoolContexts[i]->GetCustomPool() == hAllocPool) - { - pBlockVectorDefragCtx = m_CustomPoolContexts[i]; - break; - } - } - if(!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - hAllocPool, - &hAllocPool->m_BlockVector, - m_CurrFrameIndex); - m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); - } - } - } - // This allocation belongs to default pool. - else - { - const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); - pBlockVectorDefragCtx = m_DefaultPoolContexts[memTypeIndex]; - if(!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - VMA_NULL, // hCustomPool - m_hAllocator->m_pBlockVectors[memTypeIndex], - m_CurrFrameIndex); - m_DefaultPoolContexts[memTypeIndex] = pBlockVectorDefragCtx; - } - } - - if(pBlockVectorDefragCtx) - { - VkBool32* const pChanged = (pAllocationsChanged != VMA_NULL) ? - &pAllocationsChanged[allocIndex] : VMA_NULL; - pBlockVectorDefragCtx->AddAllocation(hAlloc, pChanged); - } - } - } -} - -VkResult VmaDefragmentationContext_T::Defragment( - VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, - VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats, VmaDefragmentationFlags flags) -{ - if(pStats) - { - memset(pStats, 0, sizeof(VmaDefragmentationStats)); - } - - if(flags & VMA_DEFRAGMENTATION_FLAG_INCREMENTAL) - { - // For incremental defragmetnations, we just earmark how much we can move - // The real meat is in the defragmentation steps - m_MaxCpuBytesToMove = maxCpuBytesToMove; - m_MaxCpuAllocationsToMove = maxCpuAllocationsToMove; - - m_MaxGpuBytesToMove = maxGpuBytesToMove; - m_MaxGpuAllocationsToMove = maxGpuAllocationsToMove; - - if(m_MaxCpuBytesToMove == 0 && m_MaxCpuAllocationsToMove == 0 && - m_MaxGpuBytesToMove == 0 && m_MaxGpuAllocationsToMove == 0) - return VK_SUCCESS; - - return VK_NOT_READY; - } - - if(commandBuffer == VK_NULL_HANDLE) - { - maxGpuBytesToMove = 0; - maxGpuAllocationsToMove = 0; - } - - VkResult res = VK_SUCCESS; - - // Process default pools. - for(uint32_t memTypeIndex = 0; - memTypeIndex < m_hAllocator->GetMemoryTypeCount() && res >= VK_SUCCESS; - ++memTypeIndex) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; - if(pBlockVectorCtx) - { - VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - pStats, flags, - maxCpuBytesToMove, maxCpuAllocationsToMove, - maxGpuBytesToMove, maxGpuAllocationsToMove, - commandBuffer); - if(pBlockVectorCtx->res != VK_SUCCESS) - { - res = pBlockVectorCtx->res; - } - } - } - - // Process custom pools. - for(size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); - customCtxIndex < customCtxCount && res >= VK_SUCCESS; - ++customCtxIndex) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; - VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - pStats, flags, - maxCpuBytesToMove, maxCpuAllocationsToMove, - maxGpuBytesToMove, maxGpuAllocationsToMove, - commandBuffer); - if(pBlockVectorCtx->res != VK_SUCCESS) - { - res = pBlockVectorCtx->res; - } - } - - return res; -} - -VkResult VmaDefragmentationContext_T::DefragmentPassBegin(VmaDefragmentationPassInfo* pInfo) -{ - VmaDefragmentationPassMoveInfo* pCurrentMove = pInfo->pMoves; - uint32_t movesLeft = pInfo->moveCount; - - // Process default pools. - for(uint32_t memTypeIndex = 0; - memTypeIndex < m_hAllocator->GetMemoryTypeCount(); - ++memTypeIndex) - { - VmaBlockVectorDefragmentationContext *pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; - if(pBlockVectorCtx) - { - VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); - - if(!pBlockVectorCtx->hasDefragmentationPlan) - { - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - m_pStats, m_Flags, - m_MaxCpuBytesToMove, m_MaxCpuAllocationsToMove, - m_MaxGpuBytesToMove, m_MaxGpuAllocationsToMove, - VK_NULL_HANDLE); - - if(pBlockVectorCtx->res < VK_SUCCESS) - continue; - - pBlockVectorCtx->hasDefragmentationPlan = true; - } - - const uint32_t processed = pBlockVectorCtx->GetBlockVector()->ProcessDefragmentations( - pBlockVectorCtx, - pCurrentMove, movesLeft); - - movesLeft -= processed; - pCurrentMove += processed; - } - } - - // Process custom pools. - for(size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); - customCtxIndex < customCtxCount; - ++customCtxIndex) - { - VmaBlockVectorDefragmentationContext *pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; - VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); - - if(!pBlockVectorCtx->hasDefragmentationPlan) - { - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - m_pStats, m_Flags, - m_MaxCpuBytesToMove, m_MaxCpuAllocationsToMove, - m_MaxGpuBytesToMove, m_MaxGpuAllocationsToMove, - VK_NULL_HANDLE); - - if(pBlockVectorCtx->res < VK_SUCCESS) - continue; - - pBlockVectorCtx->hasDefragmentationPlan = true; - } - - const uint32_t processed = pBlockVectorCtx->GetBlockVector()->ProcessDefragmentations( - pBlockVectorCtx, - pCurrentMove, movesLeft); - - movesLeft -= processed; - pCurrentMove += processed; - } - - pInfo->moveCount = pInfo->moveCount - movesLeft; - - return VK_SUCCESS; -} -VkResult VmaDefragmentationContext_T::DefragmentPassEnd() -{ - VkResult res = VK_SUCCESS; - - // Process default pools. - for(uint32_t memTypeIndex = 0; - memTypeIndex < m_hAllocator->GetMemoryTypeCount(); - ++memTypeIndex) - { - VmaBlockVectorDefragmentationContext *pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; - if(pBlockVectorCtx) - { - VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); - - if(!pBlockVectorCtx->hasDefragmentationPlan) - { - res = VK_NOT_READY; - continue; - } - - pBlockVectorCtx->GetBlockVector()->CommitDefragmentations( - pBlockVectorCtx, m_pStats); - - if(pBlockVectorCtx->defragmentationMoves.size() != pBlockVectorCtx->defragmentationMovesCommitted) - res = VK_NOT_READY; - } - } - - // Process custom pools. - for(size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); - customCtxIndex < customCtxCount; - ++customCtxIndex) - { - VmaBlockVectorDefragmentationContext *pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; - VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); - - if(!pBlockVectorCtx->hasDefragmentationPlan) - { - res = VK_NOT_READY; - continue; - } - - pBlockVectorCtx->GetBlockVector()->CommitDefragmentations( - pBlockVectorCtx, m_pStats); - - if(pBlockVectorCtx->defragmentationMoves.size() != pBlockVectorCtx->defragmentationMovesCommitted) - res = VK_NOT_READY; - } - - return res; -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaRecorder - -#if VMA_RECORDING_ENABLED - -VmaRecorder::VmaRecorder() : - m_UseMutex(true), - m_Flags(0), - m_File(VMA_NULL), - m_RecordingStartTime(std::chrono::high_resolution_clock::now()) -{ -} - -VkResult VmaRecorder::Init(const VmaRecordSettings& settings, bool useMutex) -{ - m_UseMutex = useMutex; - m_Flags = settings.flags; - -#if defined(_WIN32) - // Open file for writing. - errno_t err = fopen_s(&m_File, settings.pFilePath, "wb"); - - if(err != 0) - { - return VK_ERROR_INITIALIZATION_FAILED; - } -#else - // Open file for writing. - m_File = fopen(settings.pFilePath, "wb"); - - if(m_File == 0) - { - return VK_ERROR_INITIALIZATION_FAILED; - } -#endif - - // Write header. - fprintf(m_File, "%s\n", "Vulkan Memory Allocator,Calls recording"); - fprintf(m_File, "%s\n", "1,8"); - - return VK_SUCCESS; -} - -VmaRecorder::~VmaRecorder() -{ - if(m_File != VMA_NULL) - { - fclose(m_File); - } -} - -void VmaRecorder::RecordCreateAllocator(uint32_t frameIndex) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreateAllocator\n", callParams.threadId, callParams.time, frameIndex); - Flush(); -} - -void VmaRecorder::RecordDestroyAllocator(uint32_t frameIndex) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyAllocator\n", callParams.threadId, callParams.time, frameIndex); - Flush(); -} - -void VmaRecorder::RecordCreatePool(uint32_t frameIndex, const VmaPoolCreateInfo& createInfo, VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreatePool,%u,%u,%llu,%llu,%llu,%u,%p\n", callParams.threadId, callParams.time, frameIndex, - createInfo.memoryTypeIndex, - createInfo.flags, - createInfo.blockSize, - (uint64_t)createInfo.minBlockCount, - (uint64_t)createInfo.maxBlockCount, - createInfo.frameInUseCount, - pool); - Flush(); -} - -void VmaRecorder::RecordDestroyPool(uint32_t frameIndex, VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyPool,%p\n", callParams.threadId, callParams.time, frameIndex, - pool); - Flush(); -} - -void VmaRecorder::RecordAllocateMemory(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemory,%llu,%llu,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryPages(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - uint64_t allocationCount, - const VmaAllocation* pAllocations) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryPages,%llu,%llu,%u,%u,%u,%u,%u,%u,%p,", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool); - PrintPointerList(allocationCount, pAllocations); - fprintf(m_File, ",%s\n", userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryForBuffer(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryForBuffer,%llu,%llu,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - requiresDedicatedAllocation ? 1 : 0, - prefersDedicatedAllocation ? 1 : 0, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryForImage(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryForImage,%llu,%llu,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - requiresDedicatedAllocation ? 1 : 0, - prefersDedicatedAllocation ? 1 : 0, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordFreeMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFreeMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordFreeMemoryPages(uint32_t frameIndex, - uint64_t allocationCount, - const VmaAllocation* pAllocations) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFreeMemoryPages,", callParams.threadId, callParams.time, frameIndex); - PrintPointerList(allocationCount, pAllocations); - fprintf(m_File, "\n"); - Flush(); -} - -void VmaRecorder::RecordSetAllocationUserData(uint32_t frameIndex, - VmaAllocation allocation, - const void* pUserData) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr( - allocation->IsUserDataString() ? VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT : 0, - pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaSetAllocationUserData,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordCreateLostAllocation(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreateLostAllocation,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordMapMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaMapMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordUnmapMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaUnmapMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordFlushAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFlushAllocation,%p,%llu,%llu\n", callParams.threadId, callParams.time, frameIndex, - allocation, - offset, - size); - Flush(); -} - -void VmaRecorder::RecordInvalidateAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaInvalidateAllocation,%p,%llu,%llu\n", callParams.threadId, callParams.time, frameIndex, - allocation, - offset, - size); - Flush(); -} - -void VmaRecorder::RecordCreateBuffer(uint32_t frameIndex, - const VkBufferCreateInfo& bufCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(allocCreateInfo.flags, allocCreateInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaCreateBuffer,%u,%llu,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - bufCreateInfo.flags, - bufCreateInfo.size, - bufCreateInfo.usage, - bufCreateInfo.sharingMode, - allocCreateInfo.flags, - allocCreateInfo.usage, - allocCreateInfo.requiredFlags, - allocCreateInfo.preferredFlags, - allocCreateInfo.memoryTypeBits, - allocCreateInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordCreateImage(uint32_t frameIndex, - const VkImageCreateInfo& imageCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(allocCreateInfo.flags, allocCreateInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaCreateImage,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - imageCreateInfo.flags, - imageCreateInfo.imageType, - imageCreateInfo.format, - imageCreateInfo.extent.width, - imageCreateInfo.extent.height, - imageCreateInfo.extent.depth, - imageCreateInfo.mipLevels, - imageCreateInfo.arrayLayers, - imageCreateInfo.samples, - imageCreateInfo.tiling, - imageCreateInfo.usage, - imageCreateInfo.sharingMode, - imageCreateInfo.initialLayout, - allocCreateInfo.flags, - allocCreateInfo.usage, - allocCreateInfo.requiredFlags, - allocCreateInfo.preferredFlags, - allocCreateInfo.memoryTypeBits, - allocCreateInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordDestroyBuffer(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyBuffer,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordDestroyImage(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyImage,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordTouchAllocation(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaTouchAllocation,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordGetAllocationInfo(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaGetAllocationInfo,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordMakePoolAllocationsLost(uint32_t frameIndex, - VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaMakePoolAllocationsLost,%p\n", callParams.threadId, callParams.time, frameIndex, - pool); - Flush(); -} - -void VmaRecorder::RecordDefragmentationBegin(uint32_t frameIndex, - const VmaDefragmentationInfo2& info, - VmaDefragmentationContext ctx) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDefragmentationBegin,%u,", callParams.threadId, callParams.time, frameIndex, - info.flags); - PrintPointerList(info.allocationCount, info.pAllocations); - fprintf(m_File, ","); - PrintPointerList(info.poolCount, info.pPools); - fprintf(m_File, ",%llu,%u,%llu,%u,%p,%p\n", - info.maxCpuBytesToMove, - info.maxCpuAllocationsToMove, - info.maxGpuBytesToMove, - info.maxGpuAllocationsToMove, - info.commandBuffer, - ctx); - Flush(); -} - -void VmaRecorder::RecordDefragmentationEnd(uint32_t frameIndex, - VmaDefragmentationContext ctx) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDefragmentationEnd,%p\n", callParams.threadId, callParams.time, frameIndex, - ctx); - Flush(); -} - -void VmaRecorder::RecordSetPoolName(uint32_t frameIndex, - VmaPool pool, - const char* name) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaSetPoolName,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - pool, name != VMA_NULL ? name : ""); - Flush(); -} - -VmaRecorder::UserDataString::UserDataString(VmaAllocationCreateFlags allocFlags, const void* pUserData) -{ - if(pUserData != VMA_NULL) - { - if((allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0) - { - m_Str = (const char*)pUserData; - } - else - { - // If VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is not specified, convert the string's memory address to a string and store it. - snprintf(m_PtrStr, 17, "%p", pUserData); - m_Str = m_PtrStr; - } - } - else - { - m_Str = ""; - } -} - -void VmaRecorder::WriteConfiguration( - const VkPhysicalDeviceProperties& devProps, - const VkPhysicalDeviceMemoryProperties& memProps, - uint32_t vulkanApiVersion, - bool dedicatedAllocationExtensionEnabled, - bool bindMemory2ExtensionEnabled, - bool memoryBudgetExtensionEnabled, - bool deviceCoherentMemoryExtensionEnabled) -{ - fprintf(m_File, "Config,Begin\n"); - - fprintf(m_File, "VulkanApiVersion,%u,%u\n", VK_VERSION_MAJOR(vulkanApiVersion), VK_VERSION_MINOR(vulkanApiVersion)); - - fprintf(m_File, "PhysicalDevice,apiVersion,%u\n", devProps.apiVersion); - fprintf(m_File, "PhysicalDevice,driverVersion,%u\n", devProps.driverVersion); - fprintf(m_File, "PhysicalDevice,vendorID,%u\n", devProps.vendorID); - fprintf(m_File, "PhysicalDevice,deviceID,%u\n", devProps.deviceID); - fprintf(m_File, "PhysicalDevice,deviceType,%u\n", devProps.deviceType); - fprintf(m_File, "PhysicalDevice,deviceName,%s\n", devProps.deviceName); - - fprintf(m_File, "PhysicalDeviceLimits,maxMemoryAllocationCount,%u\n", devProps.limits.maxMemoryAllocationCount); - fprintf(m_File, "PhysicalDeviceLimits,bufferImageGranularity,%llu\n", devProps.limits.bufferImageGranularity); - fprintf(m_File, "PhysicalDeviceLimits,nonCoherentAtomSize,%llu\n", devProps.limits.nonCoherentAtomSize); - - fprintf(m_File, "PhysicalDeviceMemory,HeapCount,%u\n", memProps.memoryHeapCount); - for(uint32_t i = 0; i < memProps.memoryHeapCount; ++i) - { - fprintf(m_File, "PhysicalDeviceMemory,Heap,%u,size,%llu\n", i, memProps.memoryHeaps[i].size); - fprintf(m_File, "PhysicalDeviceMemory,Heap,%u,flags,%u\n", i, memProps.memoryHeaps[i].flags); - } - fprintf(m_File, "PhysicalDeviceMemory,TypeCount,%u\n", memProps.memoryTypeCount); - for(uint32_t i = 0; i < memProps.memoryTypeCount; ++i) - { - fprintf(m_File, "PhysicalDeviceMemory,Type,%u,heapIndex,%u\n", i, memProps.memoryTypes[i].heapIndex); - fprintf(m_File, "PhysicalDeviceMemory,Type,%u,propertyFlags,%u\n", i, memProps.memoryTypes[i].propertyFlags); - } - - fprintf(m_File, "Extension,VK_KHR_dedicated_allocation,%u\n", dedicatedAllocationExtensionEnabled ? 1 : 0); - fprintf(m_File, "Extension,VK_KHR_bind_memory2,%u\n", bindMemory2ExtensionEnabled ? 1 : 0); - fprintf(m_File, "Extension,VK_EXT_memory_budget,%u\n", memoryBudgetExtensionEnabled ? 1 : 0); - fprintf(m_File, "Extension,VK_AMD_device_coherent_memory,%u\n", deviceCoherentMemoryExtensionEnabled ? 1 : 0); - - fprintf(m_File, "Macro,VMA_DEBUG_ALWAYS_DEDICATED_MEMORY,%u\n", VMA_DEBUG_ALWAYS_DEDICATED_MEMORY ? 1 : 0); - fprintf(m_File, "Macro,VMA_MIN_ALIGNMENT,%llu\n", (VkDeviceSize)VMA_MIN_ALIGNMENT); - fprintf(m_File, "Macro,VMA_DEBUG_MARGIN,%llu\n", (VkDeviceSize)VMA_DEBUG_MARGIN); - fprintf(m_File, "Macro,VMA_DEBUG_INITIALIZE_ALLOCATIONS,%u\n", VMA_DEBUG_INITIALIZE_ALLOCATIONS ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_DETECT_CORRUPTION,%u\n", VMA_DEBUG_DETECT_CORRUPTION ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_GLOBAL_MUTEX,%u\n", VMA_DEBUG_GLOBAL_MUTEX ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY,%llu\n", (VkDeviceSize)VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY); - fprintf(m_File, "Macro,VMA_SMALL_HEAP_MAX_SIZE,%llu\n", (VkDeviceSize)VMA_SMALL_HEAP_MAX_SIZE); - fprintf(m_File, "Macro,VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE,%llu\n", (VkDeviceSize)VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE); - - fprintf(m_File, "Config,End\n"); -} - -void VmaRecorder::GetBasicParams(CallParams& outParams) -{ - #if defined(_WIN32) - outParams.threadId = GetCurrentThreadId(); - #else - // Use C++11 features to get thread id and convert it to uint32_t. - // There is room for optimization since sstream is quite slow. - // Is there a better way to convert std::this_thread::get_id() to uint32_t? - std::thread::id thread_id = std::this_thread::get_id(); - std::stringstream thread_id_to_string_converter; - thread_id_to_string_converter << thread_id; - std::string thread_id_as_string = thread_id_to_string_converter.str(); - outParams.threadId = static_cast(std::stoi(thread_id_as_string.c_str())); - #endif - - auto current_time = std::chrono::high_resolution_clock::now(); - - outParams.time = std::chrono::duration(current_time - m_RecordingStartTime).count(); -} - -void VmaRecorder::PrintPointerList(uint64_t count, const VmaAllocation* pItems) -{ - if(count) - { - fprintf(m_File, "%p", pItems[0]); - for(uint64_t i = 1; i < count; ++i) - { - fprintf(m_File, " %p", pItems[i]); - } - } -} - -void VmaRecorder::Flush() -{ - if((m_Flags & VMA_RECORD_FLUSH_AFTER_CALL_BIT) != 0) - { - fflush(m_File); - } -} - -#endif // #if VMA_RECORDING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// VmaAllocationObjectAllocator - -VmaAllocationObjectAllocator::VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks) : - m_Allocator(pAllocationCallbacks, 1024) -{ -} - -template VmaAllocation VmaAllocationObjectAllocator::Allocate(Types... args) -{ - VmaMutexLock mutexLock(m_Mutex); - return m_Allocator.Alloc(std::forward(args)...); -} - -void VmaAllocationObjectAllocator::Free(VmaAllocation hAlloc) -{ - VmaMutexLock mutexLock(m_Mutex); - m_Allocator.Free(hAlloc); -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaAllocator_T - -VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : - m_UseMutex((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT) == 0), - m_VulkanApiVersion(pCreateInfo->vulkanApiVersion != 0 ? pCreateInfo->vulkanApiVersion : VK_API_VERSION_1_0), - m_UseKhrDedicatedAllocation((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT) != 0), - m_UseKhrBindMemory2((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT) != 0), - m_UseExtMemoryBudget((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT) != 0), - m_UseAmdDeviceCoherentMemory((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT) != 0), - m_UseKhrBufferDeviceAddress((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT) != 0), - m_UseExtMemoryPriority((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT) != 0), - m_hDevice(pCreateInfo->device), - m_hInstance(pCreateInfo->instance), - m_AllocationCallbacksSpecified(pCreateInfo->pAllocationCallbacks != VMA_NULL), - m_AllocationCallbacks(pCreateInfo->pAllocationCallbacks ? - *pCreateInfo->pAllocationCallbacks : VmaEmptyAllocationCallbacks), - m_AllocationObjectAllocator(&m_AllocationCallbacks), - m_HeapSizeLimitMask(0), - m_DeviceMemoryCount(0), - m_PreferredLargeHeapBlockSize(0), - m_PhysicalDevice(pCreateInfo->physicalDevice), - m_CurrentFrameIndex(0), - m_GpuDefragmentationMemoryTypeBits(UINT32_MAX), - m_NextPoolId(0), - m_GlobalMemoryTypeBits(UINT32_MAX) -#if VMA_RECORDING_ENABLED - ,m_pRecorder(VMA_NULL) -#endif -{ - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - m_UseKhrDedicatedAllocation = false; - m_UseKhrBindMemory2 = false; - } - - if(VMA_DEBUG_DETECT_CORRUPTION) - { - // Needs to be multiply of uint32_t size because we are going to write VMA_CORRUPTION_DETECTION_MAGIC_VALUE to it. - VMA_ASSERT(VMA_DEBUG_MARGIN % sizeof(uint32_t) == 0); - } - - VMA_ASSERT(pCreateInfo->physicalDevice && pCreateInfo->device && pCreateInfo->instance); - - if(m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0)) - { -#if !(VMA_DEDICATED_ALLOCATION) - if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT) != 0) - { - VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT set but required extensions are disabled by preprocessor macros."); - } -#endif -#if !(VMA_BIND_MEMORY2) - if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT) != 0) - { - VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT set but required extension is disabled by preprocessor macros."); - } -#endif - } -#if !(VMA_MEMORY_BUDGET) - if((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT) != 0) - { - VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT set but required extension is disabled by preprocessor macros."); - } -#endif -#if !(VMA_BUFFER_DEVICE_ADDRESS) - if(m_UseKhrBufferDeviceAddress) - { - VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT is set but required extension or Vulkan 1.2 is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); - } -#endif -#if VMA_VULKAN_VERSION < 1002000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 2, 0)) - { - VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_2 but required Vulkan version is disabled by preprocessor macros."); - } -#endif -#if VMA_VULKAN_VERSION < 1001000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_1 but required Vulkan version is disabled by preprocessor macros."); - } -#endif -#if !(VMA_MEMORY_PRIORITY) - if(m_UseExtMemoryPriority) - { - VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT is set but required extension is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); - } -#endif - - memset(&m_DeviceMemoryCallbacks, 0 ,sizeof(m_DeviceMemoryCallbacks)); - memset(&m_PhysicalDeviceProperties, 0, sizeof(m_PhysicalDeviceProperties)); - memset(&m_MemProps, 0, sizeof(m_MemProps)); - - memset(&m_pBlockVectors, 0, sizeof(m_pBlockVectors)); - memset(&m_pSmallBufferBlockVectors, 0, sizeof(m_pSmallBufferBlockVectors)); - memset(&m_VulkanFunctions, 0, sizeof(m_VulkanFunctions)); - -#if VMA_EXTERNAL_MEMORY - memset(&m_TypeExternalMemoryHandleTypes, 0, sizeof(m_TypeExternalMemoryHandleTypes)); -#endif // #if VMA_EXTERNAL_MEMORY - - if(pCreateInfo->pDeviceMemoryCallbacks != VMA_NULL) - { - m_DeviceMemoryCallbacks.pUserData = pCreateInfo->pDeviceMemoryCallbacks->pUserData; - m_DeviceMemoryCallbacks.pfnAllocate = pCreateInfo->pDeviceMemoryCallbacks->pfnAllocate; - m_DeviceMemoryCallbacks.pfnFree = pCreateInfo->pDeviceMemoryCallbacks->pfnFree; - } - - ImportVulkanFunctions(pCreateInfo->pVulkanFunctions); - - (*m_VulkanFunctions.vkGetPhysicalDeviceProperties)(m_PhysicalDevice, &m_PhysicalDeviceProperties); - (*m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties)(m_PhysicalDevice, &m_MemProps); - - VMA_ASSERT(VmaIsPow2(VMA_MIN_ALIGNMENT)); - VMA_ASSERT(VmaIsPow2(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY)); - VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.bufferImageGranularity)); - VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.nonCoherentAtomSize)); - - m_PreferredLargeHeapBlockSize = (pCreateInfo->preferredLargeHeapBlockSize != 0) ? - pCreateInfo->preferredLargeHeapBlockSize : static_cast(VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE); - - m_GlobalMemoryTypeBits = CalculateGlobalMemoryTypeBits(); - -#if VMA_EXTERNAL_MEMORY - if(pCreateInfo->pTypeExternalMemoryHandleTypes != VMA_NULL) - { - memcpy(m_TypeExternalMemoryHandleTypes, pCreateInfo->pTypeExternalMemoryHandleTypes, - sizeof(VkExternalMemoryHandleTypeFlagsKHR) * GetMemoryTypeCount()); - } -#endif // #if VMA_EXTERNAL_MEMORY - - if(pCreateInfo->pHeapSizeLimit != VMA_NULL) - { - for(uint32_t heapIndex = 0; heapIndex < GetMemoryHeapCount(); ++heapIndex) - { - const VkDeviceSize limit = pCreateInfo->pHeapSizeLimit[heapIndex]; - if(limit != VK_WHOLE_SIZE) - { - m_HeapSizeLimitMask |= 1u << heapIndex; - if(limit < m_MemProps.memoryHeaps[heapIndex].size) - { - m_MemProps.memoryHeaps[heapIndex].size = limit; - } - } - } - } - - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(memTypeIndex); - - m_pBlockVectors[memTypeIndex] = vma_new(this, VmaBlockVector)( - this, - VK_NULL_HANDLE, // hParentPool - memTypeIndex, - preferredBlockSize, - 0, - SIZE_MAX, - GetBufferImageGranularity(), - pCreateInfo->frameInUseCount, - false, // explicitBlockSize - false, // linearAlgorithm - 0.5f, // priority (0.5 is the default per Vulkan spec) - GetMemoryTypeMinAlignment(memTypeIndex), // minAllocationAlignment - VMA_NULL); // // pMemoryAllocateNext - m_pSmallBufferBlockVectors[memTypeIndex] = vma_new(this, VmaBlockVector)( - this, - VK_NULL_HANDLE, // hParentPool - memTypeIndex, - preferredBlockSize, - 0, - SIZE_MAX, - 1, // bufferImageGranularity forced to 1 !!! - pCreateInfo->frameInUseCount, - false, // explicitBlockSize - false, // linearAlgorithm - 0.5f, // priority (0.5 is the default per Vulkan spec) - GetMemoryTypeMinAlignment(memTypeIndex), // minAllocationAlignment - VMA_NULL); // // pMemoryAllocateNext - // No need to call m_pBlockVectors[memTypeIndex][blockVectorTypeIndex]->CreateMinBlocks here, - // becase minBlockCount is 0. - } -} - -VkResult VmaAllocator_T::Init(const VmaAllocatorCreateInfo* pCreateInfo) -{ - VkResult res = VK_SUCCESS; - - if(pCreateInfo->pRecordSettings != VMA_NULL && - !VmaStrIsEmpty(pCreateInfo->pRecordSettings->pFilePath)) - { -#if VMA_RECORDING_ENABLED - m_pRecorder = vma_new(this, VmaRecorder)(); - res = m_pRecorder->Init(*pCreateInfo->pRecordSettings, m_UseMutex); - if(res != VK_SUCCESS) - { - return res; - } - m_pRecorder->WriteConfiguration( - m_PhysicalDeviceProperties, - m_MemProps, - m_VulkanApiVersion, - m_UseKhrDedicatedAllocation, - m_UseKhrBindMemory2, - m_UseExtMemoryBudget, - m_UseAmdDeviceCoherentMemory); - m_pRecorder->RecordCreateAllocator(GetCurrentFrameIndex()); -#else - VMA_ASSERT(0 && "VmaAllocatorCreateInfo::pRecordSettings used, but not supported due to VMA_RECORDING_ENABLED not defined to 1."); - return VK_ERROR_FEATURE_NOT_PRESENT; -#endif - } - -#if VMA_MEMORY_BUDGET - if(m_UseExtMemoryBudget) - { - UpdateVulkanBudget(); - } -#endif // #if VMA_MEMORY_BUDGET - - return res; -} - -VmaAllocator_T::~VmaAllocator_T() -{ -#if VMA_RECORDING_ENABLED - if(m_pRecorder != VMA_NULL) - { - m_pRecorder->RecordDestroyAllocator(GetCurrentFrameIndex()); - vma_delete(this, m_pRecorder); - } -#endif - - VMA_ASSERT(m_Pools.IsEmpty()); - - for(size_t memTypeIndex = GetMemoryTypeCount(); memTypeIndex--; ) - { - if(!m_DedicatedAllocations[memTypeIndex].IsEmpty()) - { - VMA_ASSERT(0 && "Unfreed dedicated allocations found."); - } - - vma_delete(this, m_pSmallBufferBlockVectors[memTypeIndex]); - vma_delete(this, m_pBlockVectors[memTypeIndex]); - } -} - -void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions) -{ -#if VMA_STATIC_VULKAN_FUNCTIONS == 1 - ImportVulkanFunctions_Static(); -#endif - - if(pVulkanFunctions != VMA_NULL) - { - ImportVulkanFunctions_Custom(pVulkanFunctions); - } - -#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 - ImportVulkanFunctions_Dynamic(); -#endif - - ValidateVulkanFunctions(); -} - -#if VMA_STATIC_VULKAN_FUNCTIONS == 1 - -void VmaAllocator_T::ImportVulkanFunctions_Static() -{ - // Vulkan 1.0 - m_VulkanFunctions.vkGetPhysicalDeviceProperties = (PFN_vkGetPhysicalDeviceProperties)vkGetPhysicalDeviceProperties; - m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties = (PFN_vkGetPhysicalDeviceMemoryProperties)vkGetPhysicalDeviceMemoryProperties; - m_VulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkAllocateMemory; - m_VulkanFunctions.vkFreeMemory = (PFN_vkFreeMemory)vkFreeMemory; - m_VulkanFunctions.vkMapMemory = (PFN_vkMapMemory)vkMapMemory; - m_VulkanFunctions.vkUnmapMemory = (PFN_vkUnmapMemory)vkUnmapMemory; - m_VulkanFunctions.vkFlushMappedMemoryRanges = (PFN_vkFlushMappedMemoryRanges)vkFlushMappedMemoryRanges; - m_VulkanFunctions.vkInvalidateMappedMemoryRanges = (PFN_vkInvalidateMappedMemoryRanges)vkInvalidateMappedMemoryRanges; - m_VulkanFunctions.vkBindBufferMemory = (PFN_vkBindBufferMemory)vkBindBufferMemory; - m_VulkanFunctions.vkBindImageMemory = (PFN_vkBindImageMemory)vkBindImageMemory; - m_VulkanFunctions.vkGetBufferMemoryRequirements = (PFN_vkGetBufferMemoryRequirements)vkGetBufferMemoryRequirements; - m_VulkanFunctions.vkGetImageMemoryRequirements = (PFN_vkGetImageMemoryRequirements)vkGetImageMemoryRequirements; - m_VulkanFunctions.vkCreateBuffer = (PFN_vkCreateBuffer)vkCreateBuffer; - m_VulkanFunctions.vkDestroyBuffer = (PFN_vkDestroyBuffer)vkDestroyBuffer; - m_VulkanFunctions.vkCreateImage = (PFN_vkCreateImage)vkCreateImage; - m_VulkanFunctions.vkDestroyImage = (PFN_vkDestroyImage)vkDestroyImage; - m_VulkanFunctions.vkCmdCopyBuffer = (PFN_vkCmdCopyBuffer)vkCmdCopyBuffer; - - // Vulkan 1.1 -#if VMA_VULKAN_VERSION >= 1001000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR = (PFN_vkGetBufferMemoryRequirements2)vkGetBufferMemoryRequirements2; - m_VulkanFunctions.vkGetImageMemoryRequirements2KHR = (PFN_vkGetImageMemoryRequirements2)vkGetImageMemoryRequirements2; - m_VulkanFunctions.vkBindBufferMemory2KHR = (PFN_vkBindBufferMemory2)vkBindBufferMemory2; - m_VulkanFunctions.vkBindImageMemory2KHR = (PFN_vkBindImageMemory2)vkBindImageMemory2; - m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR = (PFN_vkGetPhysicalDeviceMemoryProperties2)vkGetPhysicalDeviceMemoryProperties2; - } -#endif -} - -#endif // #if VMA_STATIC_VULKAN_FUNCTIONS == 1 - -void VmaAllocator_T::ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions) -{ - VMA_ASSERT(pVulkanFunctions != VMA_NULL); - -#define VMA_COPY_IF_NOT_NULL(funcName) \ - if(pVulkanFunctions->funcName != VMA_NULL) m_VulkanFunctions.funcName = pVulkanFunctions->funcName; - - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceProperties); - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties); - VMA_COPY_IF_NOT_NULL(vkAllocateMemory); - VMA_COPY_IF_NOT_NULL(vkFreeMemory); - VMA_COPY_IF_NOT_NULL(vkMapMemory); - VMA_COPY_IF_NOT_NULL(vkUnmapMemory); - VMA_COPY_IF_NOT_NULL(vkFlushMappedMemoryRanges); - VMA_COPY_IF_NOT_NULL(vkInvalidateMappedMemoryRanges); - VMA_COPY_IF_NOT_NULL(vkBindBufferMemory); - VMA_COPY_IF_NOT_NULL(vkBindImageMemory); - VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements); - VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements); - VMA_COPY_IF_NOT_NULL(vkCreateBuffer); - VMA_COPY_IF_NOT_NULL(vkDestroyBuffer); - VMA_COPY_IF_NOT_NULL(vkCreateImage); - VMA_COPY_IF_NOT_NULL(vkDestroyImage); - VMA_COPY_IF_NOT_NULL(vkCmdCopyBuffer); - -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements2KHR); - VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements2KHR); -#endif - -#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 - VMA_COPY_IF_NOT_NULL(vkBindBufferMemory2KHR); - VMA_COPY_IF_NOT_NULL(vkBindImageMemory2KHR); -#endif - -#if VMA_MEMORY_BUDGET - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties2KHR); -#endif - -#undef VMA_COPY_IF_NOT_NULL -} - -#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 - -void VmaAllocator_T::ImportVulkanFunctions_Dynamic() -{ -#define VMA_FETCH_INSTANCE_FUNC(memberName, functionPointerType, functionNameString) \ - if(m_VulkanFunctions.memberName == VMA_NULL) \ - m_VulkanFunctions.memberName = \ - (functionPointerType)vkGetInstanceProcAddr(m_hInstance, functionNameString); -#define VMA_FETCH_DEVICE_FUNC(memberName, functionPointerType, functionNameString) \ - if(m_VulkanFunctions.memberName == VMA_NULL) \ - m_VulkanFunctions.memberName = \ - (functionPointerType)vkGetDeviceProcAddr(m_hDevice, functionNameString); - - VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceProperties, PFN_vkGetPhysicalDeviceProperties, "vkGetPhysicalDeviceProperties"); - VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties, PFN_vkGetPhysicalDeviceMemoryProperties, "vkGetPhysicalDeviceMemoryProperties"); - VMA_FETCH_DEVICE_FUNC(vkAllocateMemory, PFN_vkAllocateMemory, "vkAllocateMemory"); - VMA_FETCH_DEVICE_FUNC(vkFreeMemory, PFN_vkFreeMemory, "vkFreeMemory"); - VMA_FETCH_DEVICE_FUNC(vkMapMemory, PFN_vkMapMemory, "vkMapMemory"); - VMA_FETCH_DEVICE_FUNC(vkUnmapMemory, PFN_vkUnmapMemory, "vkUnmapMemory"); - VMA_FETCH_DEVICE_FUNC(vkFlushMappedMemoryRanges, PFN_vkFlushMappedMemoryRanges, "vkFlushMappedMemoryRanges"); - VMA_FETCH_DEVICE_FUNC(vkInvalidateMappedMemoryRanges, PFN_vkInvalidateMappedMemoryRanges, "vkInvalidateMappedMemoryRanges"); - VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory, PFN_vkBindBufferMemory, "vkBindBufferMemory"); - VMA_FETCH_DEVICE_FUNC(vkBindImageMemory, PFN_vkBindImageMemory, "vkBindImageMemory"); - VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements, PFN_vkGetBufferMemoryRequirements, "vkGetBufferMemoryRequirements"); - VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements, PFN_vkGetImageMemoryRequirements, "vkGetImageMemoryRequirements"); - VMA_FETCH_DEVICE_FUNC(vkCreateBuffer, PFN_vkCreateBuffer, "vkCreateBuffer"); - VMA_FETCH_DEVICE_FUNC(vkDestroyBuffer, PFN_vkDestroyBuffer, "vkDestroyBuffer"); - VMA_FETCH_DEVICE_FUNC(vkCreateImage, PFN_vkCreateImage, "vkCreateImage"); - VMA_FETCH_DEVICE_FUNC(vkDestroyImage, PFN_vkDestroyImage, "vkDestroyImage"); - VMA_FETCH_DEVICE_FUNC(vkCmdCopyBuffer, PFN_vkCmdCopyBuffer, "vkCmdCopyBuffer"); - -#if VMA_VULKAN_VERSION >= 1001000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2, "vkGetBufferMemoryRequirements2"); - VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2, "vkGetImageMemoryRequirements2"); - VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2, "vkBindBufferMemory2"); - VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2, "vkBindImageMemory2"); - VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2, "vkGetPhysicalDeviceMemoryProperties2"); - } -#endif - -#if VMA_DEDICATED_ALLOCATION - if(m_UseKhrDedicatedAllocation) - { - VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2KHR, "vkGetBufferMemoryRequirements2KHR"); - VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2KHR, "vkGetImageMemoryRequirements2KHR"); - } -#endif - -#if VMA_BIND_MEMORY2 - if(m_UseKhrBindMemory2) - { - VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2KHR, "vkBindBufferMemory2KHR"); - VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2KHR, "vkBindImageMemory2KHR"); - } -#endif // #if VMA_BIND_MEMORY2 - -#if VMA_MEMORY_BUDGET - if(m_UseExtMemoryBudget) - { - VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2KHR, "vkGetPhysicalDeviceMemoryProperties2KHR"); - } -#endif // #if VMA_MEMORY_BUDGET - -#undef VMA_FETCH_DEVICE_FUNC -#undef VMA_FETCH_INSTANCE_FUNC -} - -#endif // #if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 - -void VmaAllocator_T::ValidateVulkanFunctions() -{ - VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceProperties != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkAllocateMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkFreeMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkMapMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkUnmapMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkFlushMappedMemoryRanges != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkInvalidateMappedMemoryRanges != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkBindBufferMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkBindImageMemory != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkGetBufferMemoryRequirements != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkGetImageMemoryRequirements != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkCreateBuffer != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkDestroyBuffer != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkCreateImage != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkDestroyImage != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkCmdCopyBuffer != VMA_NULL); - -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrDedicatedAllocation) - { - VMA_ASSERT(m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkGetImageMemoryRequirements2KHR != VMA_NULL); - } -#endif - -#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 - if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrBindMemory2) - { - VMA_ASSERT(m_VulkanFunctions.vkBindBufferMemory2KHR != VMA_NULL); - VMA_ASSERT(m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL); - } -#endif - -#if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 - if(m_UseExtMemoryBudget || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR != VMA_NULL); - } -#endif -} - -VkDeviceSize VmaAllocator_T::CalcPreferredBlockSize(uint32_t memTypeIndex) -{ - const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - const VkDeviceSize heapSize = m_MemProps.memoryHeaps[heapIndex].size; - const bool isSmallHeap = heapSize <= VMA_SMALL_HEAP_MAX_SIZE; - return VmaAlignUp(isSmallHeap ? (heapSize / 8) : m_PreferredLargeHeapBlockSize, (VkDeviceSize)32); -} - -VkResult VmaAllocator_T::AllocateMemoryOfType( - VkDeviceSize size, - VkDeviceSize alignment, - bool dedicatedAllocation, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - uint32_t memTypeIndex, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations) -{ - VMA_ASSERT(pAllocations != VMA_NULL); - VMA_DEBUG_LOG(" AllocateMemory: MemoryTypeIndex=%u, AllocationCount=%zu, Size=%llu", memTypeIndex, allocationCount, size); - - VmaAllocationCreateInfo finalCreateInfo = createInfo; - - // If memory type is not HOST_VISIBLE, disable MAPPED. - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - finalCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; - } - // If memory is lazily allocated, it should be always dedicated. - if(finalCreateInfo.usage == VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED) - { - finalCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; - } - - bool isSmallBuffer = dedicatedBuffer != VK_NULL_HANDLE && size <= 4096; // TODO - VmaBlockVector* const blockVector = isSmallBuffer ? m_pSmallBufferBlockVectors[memTypeIndex] : m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(blockVector); - - const VkDeviceSize preferredBlockSize = blockVector->GetPreferredBlockSize(); - bool preferDedicatedMemory = - VMA_DEBUG_ALWAYS_DEDICATED_MEMORY || - dedicatedAllocation || - // Heuristics: Allocate dedicated memory if requested size if greater than half of preferred block size. - size > preferredBlockSize / 2; - - if(preferDedicatedMemory && - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0 && - finalCreateInfo.pool == VK_NULL_HANDLE) - { - finalCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; - } - - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) - { - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - else - { - return AllocateDedicatedMemory( - size, - suballocType, - memTypeIndex, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, - finalCreateInfo.pUserData, - finalCreateInfo.priority, - dedicatedBuffer, - dedicatedBufferUsage, - dedicatedImage, - allocationCount, - pAllocations); - } - } - else - { - VkResult res = blockVector->Allocate( - m_CurrentFrameIndex.load(), - size, - alignment, - finalCreateInfo, - suballocType, - allocationCount, - pAllocations); - if(res == VK_SUCCESS) - { - return res; - } - - // 5. Try dedicated memory. - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - - // Protection against creating each allocation as dedicated when we reach or exceed heap size/budget, - // which can quickly deplete maxMemoryAllocationCount: Don't try dedicated allocations when above - // 3/4 of the maximum allocation count. - if(m_DeviceMemoryCount.load() > m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount * 3 / 4) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - - res = AllocateDedicatedMemory( - size, - suballocType, - memTypeIndex, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, - finalCreateInfo.pUserData, - finalCreateInfo.priority, - dedicatedBuffer, - dedicatedBufferUsage, - dedicatedImage, - allocationCount, - pAllocations); - if(res == VK_SUCCESS) - { - // Succeeded: AllocateDedicatedMemory function already filld pMemory, nothing more to do here. - VMA_DEBUG_LOG(" Allocated as DedicatedMemory"); - return VK_SUCCESS; - } - else - { - // Everything failed: Return error code. - VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); - return res; - } - } -} - -VkResult VmaAllocator_T::AllocateDedicatedMemory( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - bool withinBudget, - bool map, - bool isUserDataString, - void* pUserData, - float priority, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, - VkImage dedicatedImage, - size_t allocationCount, - VmaAllocation* pAllocations) -{ - VMA_ASSERT(allocationCount > 0 && pAllocations); - - if(withinBudget) - { - const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - VmaBudget heapBudget = {}; - GetBudget(&heapBudget, heapIndex, 1); - if(heapBudget.usage + size * allocationCount > heapBudget.budget) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - } - - VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; - allocInfo.memoryTypeIndex = memTypeIndex; - allocInfo.allocationSize = size; - -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - VkMemoryDedicatedAllocateInfoKHR dedicatedAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR }; - if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - if(dedicatedBuffer != VK_NULL_HANDLE) - { - VMA_ASSERT(dedicatedImage == VK_NULL_HANDLE); - dedicatedAllocInfo.buffer = dedicatedBuffer; - VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); - } - else if(dedicatedImage != VK_NULL_HANDLE) - { - dedicatedAllocInfo.image = dedicatedImage; - VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); - } - } -#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - -#if VMA_BUFFER_DEVICE_ADDRESS - VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; - if(m_UseKhrBufferDeviceAddress) - { - bool canContainBufferWithDeviceAddress = true; - if(dedicatedBuffer != VK_NULL_HANDLE) - { - canContainBufferWithDeviceAddress = dedicatedBufferUsage == UINT32_MAX || // Usage flags unknown - (dedicatedBufferUsage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_EXT) != 0; - } - else if(dedicatedImage != VK_NULL_HANDLE) - { - canContainBufferWithDeviceAddress = false; - } - if(canContainBufferWithDeviceAddress) - { - allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; - VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); - } - } -#endif // #if VMA_BUFFER_DEVICE_ADDRESS - -#if VMA_MEMORY_PRIORITY - VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; - if(m_UseExtMemoryPriority) - { - priorityInfo.priority = priority; - VmaPnextChainPushFront(&allocInfo, &priorityInfo); - } -#endif // #if VMA_MEMORY_PRIORITY - -#if VMA_EXTERNAL_MEMORY - // Attach VkExportMemoryAllocateInfoKHR if necessary. - VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; - exportMemoryAllocInfo.handleTypes = GetExternalMemoryHandleTypeFlags(memTypeIndex); - if(exportMemoryAllocInfo.handleTypes != 0) - { - VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); - } -#endif // #if VMA_EXTERNAL_MEMORY - - size_t allocIndex; - VkResult res = VK_SUCCESS; - for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - res = AllocateDedicatedMemoryPage( - size, - suballocType, - memTypeIndex, - allocInfo, - map, - isUserDataString, - pUserData, - pAllocations + allocIndex); - if(res != VK_SUCCESS) - { - break; - } - } - - if(res == VK_SUCCESS) - { - // Register them in m_DedicatedAllocations. - { - VmaMutexLockWrite lock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - DedicatedAllocationLinkedList& dedicatedAllocations = m_DedicatedAllocations[memTypeIndex]; - for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - dedicatedAllocations.PushBack(pAllocations[allocIndex]); - } - } - - VMA_DEBUG_LOG(" Allocated DedicatedMemory Count=%zu, MemoryTypeIndex=#%u", allocationCount, memTypeIndex); - } - else - { - // Free all already created allocations. - while(allocIndex--) - { - VmaAllocation currAlloc = pAllocations[allocIndex]; - VkDeviceMemory hMemory = currAlloc->GetMemory(); - - /* - There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory - before vkFreeMemory. - - if(currAlloc->GetMappedData() != VMA_NULL) - { - (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); - } - */ - - FreeVulkanMemory(memTypeIndex, currAlloc->GetSize(), hMemory); - m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), currAlloc->GetSize()); - currAlloc->SetUserData(this, VMA_NULL); - m_AllocationObjectAllocator.Free(currAlloc); - } - - memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); - } - - return res; -} - -VkResult VmaAllocator_T::AllocateDedicatedMemoryPage( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - const VkMemoryAllocateInfo& allocInfo, - bool map, - bool isUserDataString, - void* pUserData, - VmaAllocation* pAllocation) -{ - VkDeviceMemory hMemory = VK_NULL_HANDLE; - VkResult res = AllocateVulkanMemory(&allocInfo, &hMemory); - if(res < 0) - { - VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); - return res; - } - - void* pMappedData = VMA_NULL; - if(map) - { - res = (*m_VulkanFunctions.vkMapMemory)( - m_hDevice, - hMemory, - 0, - VK_WHOLE_SIZE, - 0, - &pMappedData); - if(res < 0) - { - VMA_DEBUG_LOG(" vkMapMemory FAILED"); - FreeVulkanMemory(memTypeIndex, size, hMemory); - return res; - } - } - - *pAllocation = m_AllocationObjectAllocator.Allocate(m_CurrentFrameIndex.load(), isUserDataString); - (*pAllocation)->InitDedicatedAllocation(memTypeIndex, hMemory, suballocType, pMappedData, size); - (*pAllocation)->SetUserData(this, pUserData); - m_Budget.AddAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), size); - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); - } - - return VK_SUCCESS; -} - -void VmaAllocator_T::GetBufferMemoryRequirements( - VkBuffer hBuffer, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const -{ -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - VkBufferMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR }; - memReqInfo.buffer = hBuffer; - - VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; - - VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; - VmaPnextChainPushFront(&memReq2, &memDedicatedReq); - - (*m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); - - memReq = memReq2.memoryRequirements; - requiresDedicatedAllocation = (memDedicatedReq.requiresDedicatedAllocation != VK_FALSE); - prefersDedicatedAllocation = (memDedicatedReq.prefersDedicatedAllocation != VK_FALSE); - } - else -#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - { - (*m_VulkanFunctions.vkGetBufferMemoryRequirements)(m_hDevice, hBuffer, &memReq); - requiresDedicatedAllocation = false; - prefersDedicatedAllocation = false; - } -} - -void VmaAllocator_T::GetImageMemoryRequirements( - VkImage hImage, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const -{ -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) - { - VkImageMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR }; - memReqInfo.image = hImage; - - VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; - - VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; - VmaPnextChainPushFront(&memReq2, &memDedicatedReq); - - (*m_VulkanFunctions.vkGetImageMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); - - memReq = memReq2.memoryRequirements; - requiresDedicatedAllocation = (memDedicatedReq.requiresDedicatedAllocation != VK_FALSE); - prefersDedicatedAllocation = (memDedicatedReq.prefersDedicatedAllocation != VK_FALSE); - } - else -#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - { - (*m_VulkanFunctions.vkGetImageMemoryRequirements)(m_hDevice, hImage, &memReq); - requiresDedicatedAllocation = false; - prefersDedicatedAllocation = false; - } -} - -VkResult VmaAllocator_T::AllocateMemory( - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - VkBuffer dedicatedBuffer, - VkBufferUsageFlags dedicatedBufferUsage, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations) -{ - memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); - - VMA_ASSERT(VmaIsPow2(vkMemReq.alignment)); - - if(vkMemReq.size == 0) - { - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if((createInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && - (createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT together with VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT makes no sense."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - if((createInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0) - { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_MAPPED_BIT together with VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT is invalid."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - if(requiresDedicatedAllocation) - { - if((createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - VMA_ASSERT(0 && "VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT specified while dedicated allocation is required."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - if(createInfo.pool != VK_NULL_HANDLE) - { - VMA_ASSERT(0 && "Pool specified while dedicated allocation is required."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - } - if((createInfo.pool != VK_NULL_HANDLE) && - ((createInfo.flags & (VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT)) != 0)) - { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT when pool != null is invalid."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - - if(createInfo.pool != VK_NULL_HANDLE) - { - VmaAllocationCreateInfo createInfoForPool = createInfo; - // If memory type is not HOST_VISIBLE, disable MAPPED. - if((createInfoForPool.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (m_MemProps.memoryTypes[createInfo.pool->m_BlockVector.GetMemoryTypeIndex()].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - createInfoForPool.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; - } - - return createInfo.pool->m_BlockVector.Allocate( - m_CurrentFrameIndex.load(), - vkMemReq.size, - vkMemReq.alignment, - createInfoForPool, - suballocType, - allocationCount, - pAllocations); - } - else - { - // Bit mask of memory Vulkan types acceptable for this allocation. - uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; - uint32_t memTypeIndex = UINT32_MAX; - VkResult res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfo, &memTypeIndex); - if(res == VK_SUCCESS) - { - res = AllocateMemoryOfType( - vkMemReq.size, - vkMemReq.alignment, - requiresDedicatedAllocation || prefersDedicatedAllocation, - dedicatedBuffer, - dedicatedBufferUsage, - dedicatedImage, - createInfo, - memTypeIndex, - suballocType, - allocationCount, - pAllocations); - // Succeeded on first try. - if(res == VK_SUCCESS) - { - return res; - } - // Allocation from this memory type failed. Try other compatible memory types. - else - { - for(;;) - { - // Remove old memTypeIndex from list of possibilities. - memoryTypeBits &= ~(1u << memTypeIndex); - // Find alternative memTypeIndex. - res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfo, &memTypeIndex); - if(res == VK_SUCCESS) - { - res = AllocateMemoryOfType( - vkMemReq.size, - vkMemReq.alignment, - requiresDedicatedAllocation || prefersDedicatedAllocation, - dedicatedBuffer, - dedicatedBufferUsage, - dedicatedImage, - createInfo, - memTypeIndex, - suballocType, - allocationCount, - pAllocations); - // Allocation from this alternative memory type succeeded. - if(res == VK_SUCCESS) - { - return res; - } - // else: Allocation from this memory type failed. Try next one - next loop iteration. - } - // No other matching memory type index could be found. - else - { - // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - } - } - } - // Can't find any single memory type maching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. - else - return res; - } -} - -void VmaAllocator_T::FreeMemory( - size_t allocationCount, - const VmaAllocation* pAllocations) -{ - VMA_ASSERT(pAllocations); - - for(size_t allocIndex = allocationCount; allocIndex--; ) - { - VmaAllocation allocation = pAllocations[allocIndex]; - - if(allocation != VK_NULL_HANDLE) - { - if(TouchAllocation(allocation)) - { - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - FillAllocation(allocation, VMA_ALLOCATION_FILL_PATTERN_DESTROYED); - } - - switch(allocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - VmaBlockVector* pBlockVector = VMA_NULL; - VmaPool hPool = allocation->GetBlock()->GetParentPool(); - if(hPool != VK_NULL_HANDLE) - { - pBlockVector = &hPool->m_BlockVector; - } - else - { - pBlockVector = allocation->GetBlock()->GetParentBlockVector(); - } - pBlockVector->Free(allocation); - } - break; - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - FreeDedicatedMemory(allocation); - break; - default: - VMA_ASSERT(0); - } - } - - // Do this regardless of whether the allocation is lost. Lost allocations still account to Budget.AllocationBytes. - m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(allocation->GetMemoryTypeIndex()), allocation->GetSize()); - allocation->SetUserData(this, VMA_NULL); - m_AllocationObjectAllocator.Free(allocation); - } - } -} - -void VmaAllocator_T::CalculateStats(VmaStats* pStats) -{ - // Initialize. - InitStatInfo(pStats->total); - for(size_t i = 0; i < VK_MAX_MEMORY_TYPES; ++i) - InitStatInfo(pStats->memoryType[i]); - for(size_t i = 0; i < VK_MAX_MEMORY_HEAPS; ++i) - InitStatInfo(pStats->memoryHeap[i]); - - // Process default pools. - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(pBlockVector); - pBlockVector->AddStats(pStats); - - VmaBlockVector* const pSmallBufferBlockVector = m_pSmallBufferBlockVectors[memTypeIndex]; - VMA_ASSERT(pSmallBufferBlockVector); - pSmallBufferBlockVector->AddStats(pStats); - } - - // Process custom pools. - { - VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) - { - pool->m_BlockVector.AddStats(pStats); - } - } - - // Process dedicated allocations. - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - VmaMutexLockRead dedicatedAllocationsLock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - DedicatedAllocationLinkedList& dedicatedAllocList = m_DedicatedAllocations[memTypeIndex]; - for(VmaAllocation alloc = dedicatedAllocList.Front(); - alloc != VMA_NULL; alloc = dedicatedAllocList.GetNext(alloc)) - { - VmaStatInfo allocationStatInfo; - alloc->DedicatedAllocCalcStatsInfo(allocationStatInfo); - VmaAddStatInfo(pStats->total, allocationStatInfo); - VmaAddStatInfo(pStats->memoryType[memTypeIndex], allocationStatInfo); - VmaAddStatInfo(pStats->memoryHeap[memHeapIndex], allocationStatInfo); - } - } - - // Postprocess. - VmaPostprocessCalcStatInfo(pStats->total); - for(size_t i = 0; i < GetMemoryTypeCount(); ++i) - VmaPostprocessCalcStatInfo(pStats->memoryType[i]); - for(size_t i = 0; i < GetMemoryHeapCount(); ++i) - VmaPostprocessCalcStatInfo(pStats->memoryHeap[i]); -} - -void VmaAllocator_T::GetBudget(VmaBudget* outBudget, uint32_t firstHeap, uint32_t heapCount) -{ -#if VMA_MEMORY_BUDGET - if(m_UseExtMemoryBudget) - { - if(m_Budget.m_OperationsSinceBudgetFetch < 30) - { - VmaMutexLockRead lockRead(m_Budget.m_BudgetMutex, m_UseMutex); - for(uint32_t i = 0; i < heapCount; ++i, ++outBudget) - { - const uint32_t heapIndex = firstHeap + i; - - outBudget->blockBytes = m_Budget.m_BlockBytes[heapIndex]; - outBudget->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; - - if(m_Budget.m_VulkanUsage[heapIndex] + outBudget->blockBytes > m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]) - { - outBudget->usage = m_Budget.m_VulkanUsage[heapIndex] + - outBudget->blockBytes - m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; - } - else - { - outBudget->usage = 0; - } - - // Have to take MIN with heap size because explicit HeapSizeLimit is included in it. - outBudget->budget = VMA_MIN( - m_Budget.m_VulkanBudget[heapIndex], m_MemProps.memoryHeaps[heapIndex].size); - } - } - else - { - UpdateVulkanBudget(); // Outside of mutex lock - GetBudget(outBudget, firstHeap, heapCount); // Recursion - } - } - else -#endif - { - for(uint32_t i = 0; i < heapCount; ++i, ++outBudget) - { - const uint32_t heapIndex = firstHeap + i; - - outBudget->blockBytes = m_Budget.m_BlockBytes[heapIndex]; - outBudget->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; - - outBudget->usage = outBudget->blockBytes; - outBudget->budget = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. - } - } -} - -static const uint32_t VMA_VENDOR_ID_AMD = 4098; - -VkResult VmaAllocator_T::DefragmentationBegin( - const VmaDefragmentationInfo2& info, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext* pContext) -{ - if(info.pAllocationsChanged != VMA_NULL) - { - memset(info.pAllocationsChanged, 0, info.allocationCount * sizeof(VkBool32)); - } - - *pContext = vma_new(this, VmaDefragmentationContext_T)( - this, m_CurrentFrameIndex.load(), info.flags, pStats); - - (*pContext)->AddPools(info.poolCount, info.pPools); - (*pContext)->AddAllocations( - info.allocationCount, info.pAllocations, info.pAllocationsChanged); - - VkResult res = (*pContext)->Defragment( - info.maxCpuBytesToMove, info.maxCpuAllocationsToMove, - info.maxGpuBytesToMove, info.maxGpuAllocationsToMove, - info.commandBuffer, pStats, info.flags); - - if(res != VK_NOT_READY) - { - vma_delete(this, *pContext); - *pContext = VMA_NULL; - } - - return res; -} - -VkResult VmaAllocator_T::DefragmentationEnd( - VmaDefragmentationContext context) -{ - vma_delete(this, context); - return VK_SUCCESS; -} - -VkResult VmaAllocator_T::DefragmentationPassBegin( - VmaDefragmentationPassInfo* pInfo, - VmaDefragmentationContext context) -{ - return context->DefragmentPassBegin(pInfo); -} -VkResult VmaAllocator_T::DefragmentationPassEnd( - VmaDefragmentationContext context) -{ - return context->DefragmentPassEnd(); - -} - -void VmaAllocator_T::GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo) -{ - if(hAllocation->CanBecomeLost()) - { - /* - Warning: This is a carefully designed algorithm. - Do not modify unless you really know what you're doing :) - */ - const uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) - { - pAllocationInfo->memoryType = UINT32_MAX; - pAllocationInfo->deviceMemory = VK_NULL_HANDLE; - pAllocationInfo->offset = 0; - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = VMA_NULL; - pAllocationInfo->pUserData = hAllocation->GetUserData(); - return; - } - else if(localLastUseFrameIndex == localCurrFrameIndex) - { - pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); - pAllocationInfo->deviceMemory = hAllocation->GetMemory(); - pAllocationInfo->offset = hAllocation->GetOffset(); - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = VMA_NULL; - pAllocationInfo->pUserData = hAllocation->GetUserData(); - return; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } - } - else - { -#if VMA_STATS_STRING_ENABLED - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - VMA_ASSERT(localLastUseFrameIndex != VMA_FRAME_INDEX_LOST); - if(localLastUseFrameIndex == localCurrFrameIndex) - { - break; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } -#endif - - pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); - pAllocationInfo->deviceMemory = hAllocation->GetMemory(); - pAllocationInfo->offset = hAllocation->GetOffset(); - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = hAllocation->GetMappedData(); - pAllocationInfo->pUserData = hAllocation->GetUserData(); - } -} - -bool VmaAllocator_T::TouchAllocation(VmaAllocation hAllocation) -{ - // This is a stripped-down version of VmaAllocator_T::GetAllocationInfo. - if(hAllocation->CanBecomeLost()) - { - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) - { - return false; - } - else if(localLastUseFrameIndex == localCurrFrameIndex) - { - return true; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } - } - else - { -#if VMA_STATS_STRING_ENABLED - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - VMA_ASSERT(localLastUseFrameIndex != VMA_FRAME_INDEX_LOST); - if(localLastUseFrameIndex == localCurrFrameIndex) - { - break; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } -#endif - - return true; - } -} - -VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool) -{ - VMA_DEBUG_LOG(" CreatePool: MemoryTypeIndex=%u, flags=%u", pCreateInfo->memoryTypeIndex, pCreateInfo->flags); - - VmaPoolCreateInfo newCreateInfo = *pCreateInfo; - - // Protection against uninitialized new structure member. If garbage data are left there, this pointer dereference would crash. - if(pCreateInfo->pMemoryAllocateNext) - { - VMA_ASSERT(((const VkBaseInStructure*)pCreateInfo->pMemoryAllocateNext)->sType != 0); - } - - if(newCreateInfo.maxBlockCount == 0) - { - newCreateInfo.maxBlockCount = SIZE_MAX; - } - if(newCreateInfo.minBlockCount > newCreateInfo.maxBlockCount) - { - return VK_ERROR_INITIALIZATION_FAILED; - } - // Memory type index out of range or forbidden. - if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() || - ((1u << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0) - { - return VK_ERROR_FEATURE_NOT_PRESENT; - } - if(newCreateInfo.minAllocationAlignment > 0) - { - VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment)); - } - - const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex); - - *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo, preferredBlockSize); - - VkResult res = (*pPool)->m_BlockVector.CreateMinBlocks(); - if(res != VK_SUCCESS) - { - vma_delete(this, *pPool); - *pPool = VMA_NULL; - return res; - } - - // Add to m_Pools. - { - VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); - (*pPool)->SetId(m_NextPoolId++); - m_Pools.PushBack(*pPool); - } - - return VK_SUCCESS; -} - -void VmaAllocator_T::DestroyPool(VmaPool pool) -{ - // Remove from m_Pools. - { - VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); - m_Pools.Remove(pool); - } - - vma_delete(this, pool); -} - -void VmaAllocator_T::GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats) -{ - pool->m_BlockVector.GetPoolStats(pPoolStats); -} - -void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) -{ - m_CurrentFrameIndex.store(frameIndex); - -#if VMA_MEMORY_BUDGET - if(m_UseExtMemoryBudget) - { - UpdateVulkanBudget(); - } -#endif // #if VMA_MEMORY_BUDGET -} - -void VmaAllocator_T::MakePoolAllocationsLost( - VmaPool hPool, - size_t* pLostAllocationCount) -{ - hPool->m_BlockVector.MakePoolAllocationsLost( - m_CurrentFrameIndex.load(), - pLostAllocationCount); -} - -VkResult VmaAllocator_T::CheckPoolCorruption(VmaPool hPool) -{ - return hPool->m_BlockVector.CheckCorruption(); -} - -VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) -{ - VkResult finalRes = VK_ERROR_FEATURE_NOT_PRESENT; - - // Process default pools. - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - if(((1u << memTypeIndex) & memoryTypeBits) != 0) - { - VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(pBlockVector); - VkResult localRes = pBlockVector->CheckCorruption(); - switch(localRes) - { - case VK_ERROR_FEATURE_NOT_PRESENT: - break; - case VK_SUCCESS: - finalRes = VK_SUCCESS; - break; - default: - return localRes; - } - } - } - - // Process custom pools. - { - VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) - { - if(((1u << pool->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) - { - VkResult localRes = pool->m_BlockVector.CheckCorruption(); - switch(localRes) - { - case VK_ERROR_FEATURE_NOT_PRESENT: - break; - case VK_SUCCESS: - finalRes = VK_SUCCESS; - break; - default: - return localRes; - } - } - } - } - - return finalRes; -} - -void VmaAllocator_T::CreateLostAllocation(VmaAllocation* pAllocation) -{ - *pAllocation = m_AllocationObjectAllocator.Allocate(VMA_FRAME_INDEX_LOST, false); - (*pAllocation)->InitLost(); -} - -// An object that increments given atomic but decrements it back in the destructor unless Commit() is called. -template -struct AtomicTransactionalIncrement -{ -public: - typedef std::atomic AtomicT; - ~AtomicTransactionalIncrement() - { - if(m_Atomic) - --(*m_Atomic); - } - T Increment(AtomicT* atomic) - { - m_Atomic = atomic; - return m_Atomic->fetch_add(1); - } - void Commit() - { - m_Atomic = nullptr; - } - -private: - AtomicT* m_Atomic = nullptr; -}; - -VkResult VmaAllocator_T::AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory) -{ - AtomicTransactionalIncrement deviceMemoryCountIncrement; - const uint64_t prevDeviceMemoryCount = deviceMemoryCountIncrement.Increment(&m_DeviceMemoryCount); -#if VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT - if(prevDeviceMemoryCount >= m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount) - { - return VK_ERROR_TOO_MANY_OBJECTS; - } -#endif - - const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(pAllocateInfo->memoryTypeIndex); - - // HeapSizeLimit is in effect for this heap. - if((m_HeapSizeLimitMask & (1u << heapIndex)) != 0) - { - const VkDeviceSize heapSize = m_MemProps.memoryHeaps[heapIndex].size; - VkDeviceSize blockBytes = m_Budget.m_BlockBytes[heapIndex]; - for(;;) - { - const VkDeviceSize blockBytesAfterAllocation = blockBytes + pAllocateInfo->allocationSize; - if(blockBytesAfterAllocation > heapSize) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - if(m_Budget.m_BlockBytes[heapIndex].compare_exchange_strong(blockBytes, blockBytesAfterAllocation)) - { - break; - } - } - } - else - { - m_Budget.m_BlockBytes[heapIndex] += pAllocateInfo->allocationSize; - } - - // VULKAN CALL vkAllocateMemory. - VkResult res = (*m_VulkanFunctions.vkAllocateMemory)(m_hDevice, pAllocateInfo, GetAllocationCallbacks(), pMemory); - - if(res == VK_SUCCESS) - { -#if VMA_MEMORY_BUDGET - ++m_Budget.m_OperationsSinceBudgetFetch; -#endif - - // Informative callback. - if(m_DeviceMemoryCallbacks.pfnAllocate != VMA_NULL) - { - (*m_DeviceMemoryCallbacks.pfnAllocate)(this, pAllocateInfo->memoryTypeIndex, *pMemory, pAllocateInfo->allocationSize, m_DeviceMemoryCallbacks.pUserData); - } - - deviceMemoryCountIncrement.Commit(); - } - else - { - m_Budget.m_BlockBytes[heapIndex] -= pAllocateInfo->allocationSize; - } - - return res; -} - -void VmaAllocator_T::FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory) -{ - // Informative callback. - if(m_DeviceMemoryCallbacks.pfnFree != VMA_NULL) - { - (*m_DeviceMemoryCallbacks.pfnFree)(this, memoryType, hMemory, size, m_DeviceMemoryCallbacks.pUserData); - } - - // VULKAN CALL vkFreeMemory. - (*m_VulkanFunctions.vkFreeMemory)(m_hDevice, hMemory, GetAllocationCallbacks()); - - m_Budget.m_BlockBytes[MemoryTypeIndexToHeapIndex(memoryType)] -= size; - - --m_DeviceMemoryCount; -} - -VkResult VmaAllocator_T::BindVulkanBuffer( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkBuffer buffer, - const void* pNext) -{ - if(pNext != VMA_NULL) - { -#if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 - if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && - m_VulkanFunctions.vkBindBufferMemory2KHR != VMA_NULL) - { - VkBindBufferMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR }; - bindBufferMemoryInfo.pNext = pNext; - bindBufferMemoryInfo.buffer = buffer; - bindBufferMemoryInfo.memory = memory; - bindBufferMemoryInfo.memoryOffset = memoryOffset; - return (*m_VulkanFunctions.vkBindBufferMemory2KHR)(m_hDevice, 1, &bindBufferMemoryInfo); - } - else -#endif // #if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 - { - return VK_ERROR_EXTENSION_NOT_PRESENT; - } - } - else - { - return (*m_VulkanFunctions.vkBindBufferMemory)(m_hDevice, buffer, memory, memoryOffset); - } -} - -VkResult VmaAllocator_T::BindVulkanImage( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkImage image, - const void* pNext) -{ - if(pNext != VMA_NULL) - { -#if VMA_VULKAN_VERSION >= 1001000 || VMA_BIND_MEMORY2 - if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && - m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL) - { - VkBindImageMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR }; - bindBufferMemoryInfo.pNext = pNext; - bindBufferMemoryInfo.image = image; - bindBufferMemoryInfo.memory = memory; - bindBufferMemoryInfo.memoryOffset = memoryOffset; - return (*m_VulkanFunctions.vkBindImageMemory2KHR)(m_hDevice, 1, &bindBufferMemoryInfo); - } - else -#endif // #if VMA_BIND_MEMORY2 - { - return VK_ERROR_EXTENSION_NOT_PRESENT; - } - } - else - { - return (*m_VulkanFunctions.vkBindImageMemory)(m_hDevice, image, memory, memoryOffset); - } -} - -VkResult VmaAllocator_T::Map(VmaAllocation hAllocation, void** ppData) -{ - if(hAllocation->CanBecomeLost()) - { - return VK_ERROR_MEMORY_MAP_FAILED; - } - - switch(hAllocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); - char *pBytes = VMA_NULL; - VkResult res = pBlock->Map(this, 1, (void**)&pBytes); - if(res == VK_SUCCESS) - { - *ppData = pBytes + (ptrdiff_t)hAllocation->GetOffset(); - hAllocation->BlockAllocMap(); - } - return res; - } - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - return hAllocation->DedicatedAllocMap(this, ppData); - default: - VMA_ASSERT(0); - return VK_ERROR_MEMORY_MAP_FAILED; - } -} - -void VmaAllocator_T::Unmap(VmaAllocation hAllocation) -{ - switch(hAllocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); - hAllocation->BlockAllocUnmap(); - pBlock->Unmap(this, 1); - } - break; - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - hAllocation->DedicatedAllocUnmap(this); - break; - default: - VMA_ASSERT(0); - } -} - -VkResult VmaAllocator_T::BindBufferMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext) -{ - VkResult res = VK_SUCCESS; - switch(hAllocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - res = BindVulkanBuffer(hAllocation->GetMemory(), allocationLocalOffset, hBuffer, pNext); - break; - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); - VMA_ASSERT(pBlock && "Binding buffer to allocation that doesn't belong to any block. Is the allocation lost?"); - res = pBlock->BindBufferMemory(this, hAllocation, allocationLocalOffset, hBuffer, pNext); - break; - } - default: - VMA_ASSERT(0); - } - return res; -} - -VkResult VmaAllocator_T::BindImageMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext) -{ - VkResult res = VK_SUCCESS; - switch(hAllocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - res = BindVulkanImage(hAllocation->GetMemory(), allocationLocalOffset, hImage, pNext); - break; - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); - VMA_ASSERT(pBlock && "Binding image to allocation that doesn't belong to any block. Is the allocation lost?"); - res = pBlock->BindImageMemory(this, hAllocation, allocationLocalOffset, hImage, pNext); - break; - } - default: - VMA_ASSERT(0); - } - return res; -} - -VkResult VmaAllocator_T::FlushOrInvalidateAllocation( - VmaAllocation hAllocation, - VkDeviceSize offset, VkDeviceSize size, - VMA_CACHE_OPERATION op) -{ - VkResult res = VK_SUCCESS; - - VkMappedMemoryRange memRange = {}; - if(GetFlushOrInvalidateRange(hAllocation, offset, size, memRange)) - { - switch(op) - { - case VMA_CACHE_FLUSH: - res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, 1, &memRange); - break; - case VMA_CACHE_INVALIDATE: - res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, 1, &memRange); - break; - default: - VMA_ASSERT(0); - } - } - // else: Just ignore this call. - return res; -} - -VkResult VmaAllocator_T::FlushOrInvalidateAllocations( - uint32_t allocationCount, - const VmaAllocation* allocations, - const VkDeviceSize* offsets, const VkDeviceSize* sizes, - VMA_CACHE_OPERATION op) -{ - typedef VmaStlAllocator RangeAllocator; - typedef VmaSmallVector RangeVector; - RangeVector ranges = RangeVector(RangeAllocator(GetAllocationCallbacks())); - - for(uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - const VmaAllocation alloc = allocations[allocIndex]; - const VkDeviceSize offset = offsets != VMA_NULL ? offsets[allocIndex] : 0; - const VkDeviceSize size = sizes != VMA_NULL ? sizes[allocIndex] : VK_WHOLE_SIZE; - VkMappedMemoryRange newRange; - if(GetFlushOrInvalidateRange(alloc, offset, size, newRange)) - { - ranges.push_back(newRange); - } - } - - VkResult res = VK_SUCCESS; - if(!ranges.empty()) - { - switch(op) - { - case VMA_CACHE_FLUSH: - res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); - break; - case VMA_CACHE_INVALIDATE: - res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); - break; - default: - VMA_ASSERT(0); - } - } - // else: Just ignore this call. - return res; -} - -void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) -{ - VMA_ASSERT(allocation && allocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); - - const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); - { - VmaMutexLockWrite lock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - DedicatedAllocationLinkedList& dedicatedAllocations = m_DedicatedAllocations[memTypeIndex]; - dedicatedAllocations.Remove(allocation); - } - - VkDeviceMemory hMemory = allocation->GetMemory(); - - /* - There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory - before vkFreeMemory. - - if(allocation->GetMappedData() != VMA_NULL) - { - (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); - } - */ - - FreeVulkanMemory(memTypeIndex, allocation->GetSize(), hMemory); - - VMA_DEBUG_LOG(" Freed DedicatedMemory MemoryTypeIndex=%u", memTypeIndex); -} - -uint32_t VmaAllocator_T::CalculateGpuDefragmentationMemoryTypeBits() const -{ - VkBufferCreateInfo dummyBufCreateInfo; - VmaFillGpuDefragmentationBufferCreateInfo(dummyBufCreateInfo); - - uint32_t memoryTypeBits = 0; - - // Create buffer. - VkBuffer buf = VK_NULL_HANDLE; - VkResult res = (*GetVulkanFunctions().vkCreateBuffer)( - m_hDevice, &dummyBufCreateInfo, GetAllocationCallbacks(), &buf); - if(res == VK_SUCCESS) - { - // Query for supported memory types. - VkMemoryRequirements memReq; - (*GetVulkanFunctions().vkGetBufferMemoryRequirements)(m_hDevice, buf, &memReq); - memoryTypeBits = memReq.memoryTypeBits; - - // Destroy buffer. - (*GetVulkanFunctions().vkDestroyBuffer)(m_hDevice, buf, GetAllocationCallbacks()); - } - - return memoryTypeBits; -} - -uint32_t VmaAllocator_T::CalculateGlobalMemoryTypeBits() const -{ - // Make sure memory information is already fetched. - VMA_ASSERT(GetMemoryTypeCount() > 0); - - uint32_t memoryTypeBits = UINT32_MAX; - - if(!m_UseAmdDeviceCoherentMemory) - { - // Exclude memory types that have VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD. - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - if((m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) != 0) - { - memoryTypeBits &= ~(1u << memTypeIndex); - } - } - } - - return memoryTypeBits; -} - -bool VmaAllocator_T::GetFlushOrInvalidateRange( - VmaAllocation allocation, - VkDeviceSize offset, VkDeviceSize size, - VkMappedMemoryRange& outRange) const -{ - const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); - if(size > 0 && IsMemoryTypeNonCoherent(memTypeIndex)) - { - const VkDeviceSize nonCoherentAtomSize = m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; - const VkDeviceSize allocationSize = allocation->GetSize(); - VMA_ASSERT(offset <= allocationSize); - - outRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - outRange.pNext = VMA_NULL; - outRange.memory = allocation->GetMemory(); - - switch(allocation->GetType()) - { - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); - if(size == VK_WHOLE_SIZE) - { - outRange.size = allocationSize - outRange.offset; - } - else - { - VMA_ASSERT(offset + size <= allocationSize); - outRange.size = VMA_MIN( - VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize), - allocationSize - outRange.offset); - } - break; - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - // 1. Still within this allocation. - outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); - if(size == VK_WHOLE_SIZE) - { - size = allocationSize - offset; - } - else - { - VMA_ASSERT(offset + size <= allocationSize); - } - outRange.size = VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize); - - // 2. Adjust to whole block. - const VkDeviceSize allocationOffset = allocation->GetOffset(); - VMA_ASSERT(allocationOffset % nonCoherentAtomSize == 0); - const VkDeviceSize blockSize = allocation->GetBlock()->m_pMetadata->GetSize(); - outRange.offset += allocationOffset; - outRange.size = VMA_MIN(outRange.size, blockSize - outRange.offset); - - break; - } - default: - VMA_ASSERT(0); - } - return true; - } - return false; -} - -#if VMA_MEMORY_BUDGET - -void VmaAllocator_T::UpdateVulkanBudget() -{ - VMA_ASSERT(m_UseExtMemoryBudget); - - VkPhysicalDeviceMemoryProperties2KHR memProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR }; - - VkPhysicalDeviceMemoryBudgetPropertiesEXT budgetProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_BUDGET_PROPERTIES_EXT }; - VmaPnextChainPushFront(&memProps, &budgetProps); - - GetVulkanFunctions().vkGetPhysicalDeviceMemoryProperties2KHR(m_PhysicalDevice, &memProps); - - { - VmaMutexLockWrite lockWrite(m_Budget.m_BudgetMutex, m_UseMutex); - - for(uint32_t heapIndex = 0; heapIndex < GetMemoryHeapCount(); ++heapIndex) - { - m_Budget.m_VulkanUsage[heapIndex] = budgetProps.heapUsage[heapIndex]; - m_Budget.m_VulkanBudget[heapIndex] = budgetProps.heapBudget[heapIndex]; - m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] = m_Budget.m_BlockBytes[heapIndex].load(); - - // Some bugged drivers return the budget incorrectly, e.g. 0 or much bigger than heap size. - if(m_Budget.m_VulkanBudget[heapIndex] == 0) - { - m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. - } - else if(m_Budget.m_VulkanBudget[heapIndex] > m_MemProps.memoryHeaps[heapIndex].size) - { - m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size; - } - if(m_Budget.m_VulkanUsage[heapIndex] == 0 && m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] > 0) - { - m_Budget.m_VulkanUsage[heapIndex] = m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; - } - } - m_Budget.m_OperationsSinceBudgetFetch = 0; - } -} - -#endif // #if VMA_MEMORY_BUDGET - -void VmaAllocator_T::FillAllocation(const VmaAllocation hAllocation, uint8_t pattern) -{ - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS && - !hAllocation->CanBecomeLost() && - (m_MemProps.memoryTypes[hAllocation->GetMemoryTypeIndex()].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) - { - void* pData = VMA_NULL; - VkResult res = Map(hAllocation, &pData); - if(res == VK_SUCCESS) - { - memset(pData, (int)pattern, (size_t)hAllocation->GetSize()); - FlushOrInvalidateAllocation(hAllocation, 0, VK_WHOLE_SIZE, VMA_CACHE_FLUSH); - Unmap(hAllocation); - } - else - { - VMA_ASSERT(0 && "VMA_DEBUG_INITIALIZE_ALLOCATIONS is enabled, but couldn't map memory to fill allocation."); - } - } -} - -uint32_t VmaAllocator_T::GetGpuDefragmentationMemoryTypeBits() -{ - uint32_t memoryTypeBits = m_GpuDefragmentationMemoryTypeBits.load(); - if(memoryTypeBits == UINT32_MAX) - { - memoryTypeBits = CalculateGpuDefragmentationMemoryTypeBits(); - m_GpuDefragmentationMemoryTypeBits.store(memoryTypeBits); - } - return memoryTypeBits; -} - -#if VMA_STATS_STRING_ENABLED - -void VmaAllocator_T::PrintDetailedMap(VmaJsonWriter& json) -{ - bool dedicatedAllocationsStarted = false; - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - VmaMutexLockRead dedicatedAllocationsLock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - DedicatedAllocationLinkedList& dedicatedAllocList = m_DedicatedAllocations[memTypeIndex]; - if(!dedicatedAllocList.IsEmpty()) - { - if(dedicatedAllocationsStarted == false) - { - dedicatedAllocationsStarted = true; - json.WriteString("DedicatedAllocations"); - json.BeginObject(); - } - - json.BeginString("Type "); - json.ContinueString(memTypeIndex); - json.EndString(); - - json.BeginArray(); - - for(VmaAllocation alloc = dedicatedAllocList.Front(); - alloc != VMA_NULL; alloc = dedicatedAllocList.GetNext(alloc)) - { - json.BeginObject(true); - alloc->PrintParameters(json); - json.EndObject(); - } - - json.EndArray(); - } - } - if(dedicatedAllocationsStarted) - { - json.EndObject(); - } - - // Default pools - { - bool allocationsStarted = false; - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - if(m_pBlockVectors[memTypeIndex]->IsEmpty() == false) - { - if(allocationsStarted == false) - { - allocationsStarted = true; - json.WriteString("DefaultPools"); - json.BeginObject(); - } - - json.BeginString("Type "); - json.ContinueString(memTypeIndex); - json.EndString(); - - m_pBlockVectors[memTypeIndex]->PrintDetailedMap(json); - } - } - if(allocationsStarted) - { - json.EndObject(); - } - } - - // Small buffer pools - { - bool allocationsStarted = false; - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) - { - if(m_pSmallBufferBlockVectors[memTypeIndex]->IsEmpty() == false) - { - if(allocationsStarted == false) - { - allocationsStarted = true; - json.WriteString("SmallBufferPools"); - json.BeginObject(); - } - - json.BeginString("Type "); - json.ContinueString(memTypeIndex); - json.EndString(); - - m_pSmallBufferBlockVectors[memTypeIndex]->PrintDetailedMap(json); - } - } - if(allocationsStarted) - { - json.EndObject(); - } - } - - // Custom pools - { - VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - if(!m_Pools.IsEmpty()) - { - json.WriteString("Pools"); - json.BeginObject(); - for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) - { - json.BeginString(); - json.ContinueString(pool->GetId()); - json.EndString(); - - pool->m_BlockVector.PrintDetailedMap(json); - } - json.EndObject(); - } - } -} - -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// Public interface - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( - const VmaAllocatorCreateInfo* pCreateInfo, - VmaAllocator* pAllocator) -{ - VMA_ASSERT(pCreateInfo && pAllocator); - VMA_ASSERT(pCreateInfo->vulkanApiVersion == 0 || - (VK_VERSION_MAJOR(pCreateInfo->vulkanApiVersion) == 1 && VK_VERSION_MINOR(pCreateInfo->vulkanApiVersion) <= 2)); - VMA_DEBUG_LOG("vmaCreateAllocator"); - *pAllocator = vma_new(pCreateInfo->pAllocationCallbacks, VmaAllocator_T)(pCreateInfo); - return (*pAllocator)->Init(pCreateInfo); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( - VmaAllocator allocator) -{ - if(allocator != VK_NULL_HANDLE) - { - VMA_DEBUG_LOG("vmaDestroyAllocator"); - VkAllocationCallbacks allocationCallbacks = allocator->m_AllocationCallbacks; - vma_delete(&allocationCallbacks, allocator); - } -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo(VmaAllocator allocator, VmaAllocatorInfo* pAllocatorInfo) -{ - VMA_ASSERT(allocator && pAllocatorInfo); - pAllocatorInfo->instance = allocator->m_hInstance; - pAllocatorInfo->physicalDevice = allocator->GetPhysicalDevice(); - pAllocatorInfo->device = allocator->m_hDevice; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( - VmaAllocator allocator, - const VkPhysicalDeviceProperties **ppPhysicalDeviceProperties) -{ - VMA_ASSERT(allocator && ppPhysicalDeviceProperties); - *ppPhysicalDeviceProperties = &allocator->m_PhysicalDeviceProperties; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( - VmaAllocator allocator, - const VkPhysicalDeviceMemoryProperties** ppPhysicalDeviceMemoryProperties) -{ - VMA_ASSERT(allocator && ppPhysicalDeviceMemoryProperties); - *ppPhysicalDeviceMemoryProperties = &allocator->m_MemProps; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( - VmaAllocator allocator, - uint32_t memoryTypeIndex, - VkMemoryPropertyFlags* pFlags) -{ - VMA_ASSERT(allocator && pFlags); - VMA_ASSERT(memoryTypeIndex < allocator->GetMemoryTypeCount()); - *pFlags = allocator->m_MemProps.memoryTypes[memoryTypeIndex].propertyFlags; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( - VmaAllocator allocator, - uint32_t frameIndex) -{ - VMA_ASSERT(allocator); - VMA_ASSERT(frameIndex != VMA_FRAME_INDEX_LOST); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - allocator->SetCurrentFrameIndex(frameIndex); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( - VmaAllocator allocator, - VmaStats* pStats) -{ - VMA_ASSERT(allocator && pStats); - VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->CalculateStats(pStats); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetBudget( - VmaAllocator allocator, - VmaBudget* pBudget) -{ - VMA_ASSERT(allocator && pBudget); - VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->GetBudget(pBudget, 0, allocator->GetMemoryHeapCount()); -} - -#if VMA_STATS_STRING_ENABLED - -VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( - VmaAllocator allocator, - char** ppStatsString, - VkBool32 detailedMap) -{ - VMA_ASSERT(allocator && ppStatsString); - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VmaStringBuilder sb(allocator); - { - VmaJsonWriter json(allocator->GetAllocationCallbacks(), sb); - json.BeginObject(); - - VmaBudget budget[VK_MAX_MEMORY_HEAPS]; - allocator->GetBudget(budget, 0, allocator->GetMemoryHeapCount()); - - VmaStats stats; - allocator->CalculateStats(&stats); - - json.WriteString("Total"); - VmaPrintStatInfo(json, stats.total); - - for(uint32_t heapIndex = 0; heapIndex < allocator->GetMemoryHeapCount(); ++heapIndex) - { - json.BeginString("Heap "); - json.ContinueString(heapIndex); - json.EndString(); - json.BeginObject(); - - json.WriteString("Size"); - json.WriteNumber(allocator->m_MemProps.memoryHeaps[heapIndex].size); - - json.WriteString("Flags"); - json.BeginArray(true); - if((allocator->m_MemProps.memoryHeaps[heapIndex].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) != 0) - { - json.WriteString("DEVICE_LOCAL"); - } - json.EndArray(); - - json.WriteString("Budget"); - json.BeginObject(); - { - json.WriteString("BlockBytes"); - json.WriteNumber(budget[heapIndex].blockBytes); - json.WriteString("AllocationBytes"); - json.WriteNumber(budget[heapIndex].allocationBytes); - json.WriteString("Usage"); - json.WriteNumber(budget[heapIndex].usage); - json.WriteString("Budget"); - json.WriteNumber(budget[heapIndex].budget); - } - json.EndObject(); - - if(stats.memoryHeap[heapIndex].blockCount > 0) - { - json.WriteString("Stats"); - VmaPrintStatInfo(json, stats.memoryHeap[heapIndex]); - } - - for(uint32_t typeIndex = 0; typeIndex < allocator->GetMemoryTypeCount(); ++typeIndex) - { - if(allocator->MemoryTypeIndexToHeapIndex(typeIndex) == heapIndex) - { - json.BeginString("Type "); - json.ContinueString(typeIndex); - json.EndString(); - - json.BeginObject(); - - json.WriteString("Flags"); - json.BeginArray(true); - VkMemoryPropertyFlags flags = allocator->m_MemProps.memoryTypes[typeIndex].propertyFlags; - if((flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0) - { - json.WriteString("DEVICE_LOCAL"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) - { - json.WriteString("HOST_VISIBLE"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0) - { - json.WriteString("HOST_COHERENT"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) != 0) - { - json.WriteString("HOST_CACHED"); - } - if((flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) != 0) - { - json.WriteString("LAZILY_ALLOCATED"); - } -#if VMA_VULKAN_VERSION >= 1001000 - if((flags & VK_MEMORY_PROPERTY_PROTECTED_BIT) != 0) - { - json.WriteString("PROTECTED"); - } -#endif // #if VMA_VULKAN_VERSION >= 1001000 -#if VK_AMD_device_coherent_memory - if((flags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) != 0) - { - json.WriteString("DEVICE_COHERENT"); - } - if((flags & VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY) != 0) - { - json.WriteString("DEVICE_UNCACHED"); - } -#endif // #if VK_AMD_device_coherent_memory - json.EndArray(); - - if(stats.memoryType[typeIndex].blockCount > 0) - { - json.WriteString("Stats"); - VmaPrintStatInfo(json, stats.memoryType[typeIndex]); - } - - json.EndObject(); - } - } - - json.EndObject(); - } - if(detailedMap == VK_TRUE) - { - allocator->PrintDetailedMap(json); - } - - json.EndObject(); - } - - const size_t len = sb.GetLength(); - char* const pChars = vma_new_array(allocator, char, len + 1); - if(len > 0) - { - memcpy(pChars, sb.GetData(), len); - } - pChars[len] = '\0'; - *ppStatsString = pChars; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( - VmaAllocator allocator, - char* pStatsString) -{ - if(pStatsString != VMA_NULL) - { - VMA_ASSERT(allocator); - size_t len = strlen(pStatsString); - vma_delete_array(allocator, pStatsString, len + 1); - } -} - -#endif // #if VMA_STATS_STRING_ENABLED - -/* -This function is not protected by any mutex because it just reads immutable data. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( - VmaAllocator allocator, - uint32_t memoryTypeBits, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex) -{ - VMA_ASSERT(allocator != VK_NULL_HANDLE); - VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); - VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); - - memoryTypeBits &= allocator->GetGlobalMemoryTypeBits(); - - if(pAllocationCreateInfo->memoryTypeBits != 0) - { - memoryTypeBits &= pAllocationCreateInfo->memoryTypeBits; - } - - uint32_t requiredFlags = pAllocationCreateInfo->requiredFlags; - uint32_t preferredFlags = pAllocationCreateInfo->preferredFlags; - uint32_t notPreferredFlags = 0; - - // Convert usage to requiredFlags and preferredFlags. - switch(pAllocationCreateInfo->usage) - { - case VMA_MEMORY_USAGE_UNKNOWN: - break; - case VMA_MEMORY_USAGE_GPU_ONLY: - if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - } - break; - case VMA_MEMORY_USAGE_CPU_ONLY: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; - break; - case VMA_MEMORY_USAGE_CPU_TO_GPU: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - } - break; - case VMA_MEMORY_USAGE_GPU_TO_CPU: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - preferredFlags |= VK_MEMORY_PROPERTY_HOST_CACHED_BIT; - break; - case VMA_MEMORY_USAGE_CPU_COPY: - notPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - break; - case VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED: - requiredFlags |= VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT; - break; - default: - VMA_ASSERT(0); - break; - } - - // Avoid DEVICE_COHERENT unless explicitly requested. - if(((pAllocationCreateInfo->requiredFlags | pAllocationCreateInfo->preferredFlags) & - (VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY | VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY)) == 0) - { - notPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY; - } - - *pMemoryTypeIndex = UINT32_MAX; - uint32_t minCost = UINT32_MAX; - for(uint32_t memTypeIndex = 0, memTypeBit = 1; - memTypeIndex < allocator->GetMemoryTypeCount(); - ++memTypeIndex, memTypeBit <<= 1) - { - // This memory type is acceptable according to memoryTypeBits bitmask. - if((memTypeBit & memoryTypeBits) != 0) - { - const VkMemoryPropertyFlags currFlags = - allocator->m_MemProps.memoryTypes[memTypeIndex].propertyFlags; - // This memory type contains requiredFlags. - if((requiredFlags & ~currFlags) == 0) - { - // Calculate cost as number of bits from preferredFlags not present in this memory type. - uint32_t currCost = VmaCountBitsSet(preferredFlags & ~currFlags) + - VmaCountBitsSet(currFlags & notPreferredFlags); - // Remember memory type with lowest cost. - if(currCost < minCost) - { - *pMemoryTypeIndex = memTypeIndex; - if(currCost == 0) - { - return VK_SUCCESS; - } - minCost = currCost; - } - } - } - } - return (*pMemoryTypeIndex != UINT32_MAX) ? VK_SUCCESS : VK_ERROR_FEATURE_NOT_PRESENT; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( - VmaAllocator allocator, - const VkBufferCreateInfo* pBufferCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex) -{ - VMA_ASSERT(allocator != VK_NULL_HANDLE); - VMA_ASSERT(pBufferCreateInfo != VMA_NULL); - VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); - VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); - - const VkDevice hDev = allocator->m_hDevice; - VkBuffer hBuffer = VK_NULL_HANDLE; - VkResult res = allocator->GetVulkanFunctions().vkCreateBuffer( - hDev, pBufferCreateInfo, allocator->GetAllocationCallbacks(), &hBuffer); - if(res == VK_SUCCESS) - { - VkMemoryRequirements memReq = {}; - allocator->GetVulkanFunctions().vkGetBufferMemoryRequirements( - hDev, hBuffer, &memReq); - - res = vmaFindMemoryTypeIndex( - allocator, - memReq.memoryTypeBits, - pAllocationCreateInfo, - pMemoryTypeIndex); - - allocator->GetVulkanFunctions().vkDestroyBuffer( - hDev, hBuffer, allocator->GetAllocationCallbacks()); - } - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( - VmaAllocator allocator, - const VkImageCreateInfo* pImageCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex) -{ - VMA_ASSERT(allocator != VK_NULL_HANDLE); - VMA_ASSERT(pImageCreateInfo != VMA_NULL); - VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); - VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); - - const VkDevice hDev = allocator->m_hDevice; - VkImage hImage = VK_NULL_HANDLE; - VkResult res = allocator->GetVulkanFunctions().vkCreateImage( - hDev, pImageCreateInfo, allocator->GetAllocationCallbacks(), &hImage); - if(res == VK_SUCCESS) - { - VkMemoryRequirements memReq = {}; - allocator->GetVulkanFunctions().vkGetImageMemoryRequirements( - hDev, hImage, &memReq); - - res = vmaFindMemoryTypeIndex( - allocator, - memReq.memoryTypeBits, - pAllocationCreateInfo, - pMemoryTypeIndex); - - allocator->GetVulkanFunctions().vkDestroyImage( - hDev, hImage, allocator->GetAllocationCallbacks()); - } - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( - VmaAllocator allocator, - const VmaPoolCreateInfo* pCreateInfo, - VmaPool* pPool) -{ - VMA_ASSERT(allocator && pCreateInfo && pPool); - - VMA_DEBUG_LOG("vmaCreatePool"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult res = allocator->CreatePool(pCreateInfo, pPool); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreatePool(allocator->GetCurrentFrameIndex(), *pCreateInfo, *pPool); - } -#endif - - return res; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( - VmaAllocator allocator, - VmaPool pool) -{ - VMA_ASSERT(allocator); - - if(pool == VK_NULL_HANDLE) - { - return; - } - - VMA_DEBUG_LOG("vmaDestroyPool"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyPool(allocator->GetCurrentFrameIndex(), pool); - } -#endif - - allocator->DestroyPool(pool); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( - VmaAllocator allocator, - VmaPool pool, - VmaPoolStats* pPoolStats) -{ - VMA_ASSERT(allocator && pool && pPoolStats); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - allocator->GetPoolStats(pool, pPoolStats); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaMakePoolAllocationsLost( - VmaAllocator allocator, - VmaPool pool, - size_t* pLostAllocationCount) -{ - VMA_ASSERT(allocator && pool); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordMakePoolAllocationsLost(allocator->GetCurrentFrameIndex(), pool); - } -#endif - - allocator->MakePoolAllocationsLost(pool, pLostAllocationCount); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption(VmaAllocator allocator, VmaPool pool) -{ - VMA_ASSERT(allocator && pool); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VMA_DEBUG_LOG("vmaCheckPoolCorruption"); - - return allocator->CheckPoolCorruption(pool); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( - VmaAllocator allocator, - VmaPool pool, - const char** ppName) -{ - VMA_ASSERT(allocator && pool && ppName); - - VMA_DEBUG_LOG("vmaGetPoolName"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - *ppName = pool->GetName(); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( - VmaAllocator allocator, - VmaPool pool, - const char* pName) -{ - VMA_ASSERT(allocator && pool); - - VMA_DEBUG_LOG("vmaSetPoolName"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - pool->SetName(pName); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordSetPoolName(allocator->GetCurrentFrameIndex(), pool, pName); - } -#endif -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( - VmaAllocator allocator, - const VkMemoryRequirements* pVkMemoryRequirements, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && pVkMemoryRequirements && pCreateInfo && pAllocation); - - VMA_DEBUG_LOG("vmaAllocateMemory"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult result = allocator->AllocateMemory( - *pVkMemoryRequirements, - false, // requiresDedicatedAllocation - false, // prefersDedicatedAllocation - VK_NULL_HANDLE, // dedicatedBuffer - UINT32_MAX, // dedicatedBufferUsage - VK_NULL_HANDLE, // dedicatedImage - *pCreateInfo, - VMA_SUBALLOCATION_TYPE_UNKNOWN, - 1, // allocationCount - pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemory( - allocator->GetCurrentFrameIndex(), - *pVkMemoryRequirements, - *pCreateInfo, - *pAllocation); - } -#endif - - if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) - { - allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); - } - - return result; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( - VmaAllocator allocator, - const VkMemoryRequirements* pVkMemoryRequirements, - const VmaAllocationCreateInfo* pCreateInfo, - size_t allocationCount, - VmaAllocation* pAllocations, - VmaAllocationInfo* pAllocationInfo) -{ - if(allocationCount == 0) - { - return VK_SUCCESS; - } - - VMA_ASSERT(allocator && pVkMemoryRequirements && pCreateInfo && pAllocations); - - VMA_DEBUG_LOG("vmaAllocateMemoryPages"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult result = allocator->AllocateMemory( - *pVkMemoryRequirements, - false, // requiresDedicatedAllocation - false, // prefersDedicatedAllocation - VK_NULL_HANDLE, // dedicatedBuffer - UINT32_MAX, // dedicatedBufferUsage - VK_NULL_HANDLE, // dedicatedImage - *pCreateInfo, - VMA_SUBALLOCATION_TYPE_UNKNOWN, - allocationCount, - pAllocations); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryPages( - allocator->GetCurrentFrameIndex(), - *pVkMemoryRequirements, - *pCreateInfo, - (uint64_t)allocationCount, - pAllocations); - } -#endif - - if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) - { - for(size_t i = 0; i < allocationCount; ++i) - { - allocator->GetAllocationInfo(pAllocations[i], pAllocationInfo + i); - } - } - - return result; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( - VmaAllocator allocator, - VkBuffer buffer, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && buffer != VK_NULL_HANDLE && pCreateInfo && pAllocation); - - VMA_DEBUG_LOG("vmaAllocateMemoryForBuffer"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkMemoryRequirements vkMemReq = {}; - bool requiresDedicatedAllocation = false; - bool prefersDedicatedAllocation = false; - allocator->GetBufferMemoryRequirements(buffer, vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation); - - VkResult result = allocator->AllocateMemory( - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - buffer, // dedicatedBuffer - UINT32_MAX, // dedicatedBufferUsage - VK_NULL_HANDLE, // dedicatedImage - *pCreateInfo, - VMA_SUBALLOCATION_TYPE_BUFFER, - 1, // allocationCount - pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryForBuffer( - allocator->GetCurrentFrameIndex(), - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - *pCreateInfo, - *pAllocation); - } -#endif - - if(pAllocationInfo && result == VK_SUCCESS) - { - allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); - } - - return result; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( - VmaAllocator allocator, - VkImage image, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && image != VK_NULL_HANDLE && pCreateInfo && pAllocation); - - VMA_DEBUG_LOG("vmaAllocateMemoryForImage"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkMemoryRequirements vkMemReq = {}; - bool requiresDedicatedAllocation = false; - bool prefersDedicatedAllocation = false; - allocator->GetImageMemoryRequirements(image, vkMemReq, - requiresDedicatedAllocation, prefersDedicatedAllocation); - - VkResult result = allocator->AllocateMemory( - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - VK_NULL_HANDLE, // dedicatedBuffer - UINT32_MAX, // dedicatedBufferUsage - image, // dedicatedImage - *pCreateInfo, - VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN, - 1, // allocationCount - pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryForImage( - allocator->GetCurrentFrameIndex(), - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - *pCreateInfo, - *pAllocation); - } -#endif - - if(pAllocationInfo && result == VK_SUCCESS) - { - allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); - } - - return result; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( - VmaAllocator allocator, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator); - - if(allocation == VK_NULL_HANDLE) - { - return; - } - - VMA_DEBUG_LOG("vmaFreeMemory"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFreeMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - allocator->FreeMemory( - 1, // allocationCount - &allocation); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( - VmaAllocator allocator, - size_t allocationCount, - const VmaAllocation* pAllocations) -{ - if(allocationCount == 0) - { - return; - } - - VMA_ASSERT(allocator); - - VMA_DEBUG_LOG("vmaFreeMemoryPages"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFreeMemoryPages( - allocator->GetCurrentFrameIndex(), - (uint64_t)allocationCount, - pAllocations); - } -#endif - - allocator->FreeMemory(allocationCount, pAllocations); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( - VmaAllocator allocator, - VmaAllocation allocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && allocation && pAllocationInfo); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordGetAllocationInfo( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - allocator->GetAllocationInfo(allocation, pAllocationInfo); -} - -VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaTouchAllocation( - VmaAllocator allocator, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordTouchAllocation( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - return allocator->TouchAllocation(allocation); -} - -VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( - VmaAllocator allocator, - VmaAllocation allocation, - void* pUserData) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - allocation->SetUserData(allocator, pUserData); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordSetAllocationUserData( - allocator->GetCurrentFrameIndex(), - allocation, - pUserData); - } -#endif -} - -VMA_CALL_PRE void VMA_CALL_POST vmaCreateLostAllocation( - VmaAllocator allocator, - VmaAllocation* pAllocation) -{ - VMA_ASSERT(allocator && pAllocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK; - - allocator->CreateLostAllocation(pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreateLostAllocation( - allocator->GetCurrentFrameIndex(), - *pAllocation); - } -#endif -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( - VmaAllocator allocator, - VmaAllocation allocation, - void** ppData) -{ - VMA_ASSERT(allocator && allocation && ppData); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult res = allocator->Map(allocation, ppData); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordMapMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - return res; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( - VmaAllocator allocator, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordUnmapMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - allocator->Unmap(allocation); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_LOG("vmaFlushAllocation"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_FLUSH); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFlushAllocation( - allocator->GetCurrentFrameIndex(), - allocation, offset, size); - } -#endif - - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_LOG("vmaInvalidateAllocation"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_INVALIDATE); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordInvalidateAllocation( - allocator->GetCurrentFrameIndex(), - allocation, offset, size); - } -#endif - - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( - VmaAllocator allocator, - uint32_t allocationCount, - const VmaAllocation* allocations, - const VkDeviceSize* offsets, - const VkDeviceSize* sizes) -{ - VMA_ASSERT(allocator); - - if(allocationCount == 0) - { - return VK_SUCCESS; - } - - VMA_ASSERT(allocations); - - VMA_DEBUG_LOG("vmaFlushAllocations"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_FLUSH); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - //TODO - } -#endif - - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( - VmaAllocator allocator, - uint32_t allocationCount, - const VmaAllocation* allocations, - const VkDeviceSize* offsets, - const VkDeviceSize* sizes) -{ - VMA_ASSERT(allocator); - - if(allocationCount == 0) - { - return VK_SUCCESS; - } - - VMA_ASSERT(allocations); - - VMA_DEBUG_LOG("vmaInvalidateAllocations"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_INVALIDATE); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - //TODO - } -#endif - - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption(VmaAllocator allocator, uint32_t memoryTypeBits) -{ - VMA_ASSERT(allocator); - - VMA_DEBUG_LOG("vmaCheckCorruption"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - return allocator->CheckCorruption(memoryTypeBits); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( - VmaAllocator allocator, - const VmaAllocation* pAllocations, - size_t allocationCount, - VkBool32* pAllocationsChanged, - const VmaDefragmentationInfo *pDefragmentationInfo, - VmaDefragmentationStats* pDefragmentationStats) -{ - // Deprecated interface, reimplemented using new one. - - VmaDefragmentationInfo2 info2 = {}; - info2.allocationCount = (uint32_t)allocationCount; - info2.pAllocations = pAllocations; - info2.pAllocationsChanged = pAllocationsChanged; - if(pDefragmentationInfo != VMA_NULL) - { - info2.maxCpuAllocationsToMove = pDefragmentationInfo->maxAllocationsToMove; - info2.maxCpuBytesToMove = pDefragmentationInfo->maxBytesToMove; - } - else - { - info2.maxCpuAllocationsToMove = UINT32_MAX; - info2.maxCpuBytesToMove = VK_WHOLE_SIZE; - } - // info2.flags, maxGpuAllocationsToMove, maxGpuBytesToMove, commandBuffer deliberately left zero. - - VmaDefragmentationContext ctx; - VkResult res = vmaDefragmentationBegin(allocator, &info2, pDefragmentationStats, &ctx); - if(res == VK_NOT_READY) - { - res = vmaDefragmentationEnd( allocator, ctx); - } - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( - VmaAllocator allocator, - const VmaDefragmentationInfo2* pInfo, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext *pContext) -{ - VMA_ASSERT(allocator && pInfo && pContext); - - // Degenerate case: Nothing to defragment. - if(pInfo->allocationCount == 0 && pInfo->poolCount == 0) - { - return VK_SUCCESS; - } - - VMA_ASSERT(pInfo->allocationCount == 0 || pInfo->pAllocations != VMA_NULL); - VMA_ASSERT(pInfo->poolCount == 0 || pInfo->pPools != VMA_NULL); - VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->allocationCount, pInfo->pAllocations)); - VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->poolCount, pInfo->pPools)); - - VMA_DEBUG_LOG("vmaDefragmentationBegin"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult res = allocator->DefragmentationBegin(*pInfo, pStats, pContext); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDefragmentationBegin( - allocator->GetCurrentFrameIndex(), *pInfo, *pContext); - } -#endif - - return res; -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( - VmaAllocator allocator, - VmaDefragmentationContext context) -{ - VMA_ASSERT(allocator); - - VMA_DEBUG_LOG("vmaDefragmentationEnd"); - - if(context != VK_NULL_HANDLE) - { - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDefragmentationEnd( - allocator->GetCurrentFrameIndex(), context); - } -#endif - - return allocator->DefragmentationEnd(context); - } - else - { - return VK_SUCCESS; - } -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( - VmaAllocator allocator, - VmaDefragmentationContext context, - VmaDefragmentationPassInfo* pInfo - ) -{ - VMA_ASSERT(allocator); - VMA_ASSERT(pInfo); - - VMA_DEBUG_LOG("vmaBeginDefragmentationPass"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - if(context == VK_NULL_HANDLE) - { - pInfo->moveCount = 0; - return VK_SUCCESS; - } - - return allocator->DefragmentationPassBegin(pInfo, context); -} -VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( - VmaAllocator allocator, - VmaDefragmentationContext context) -{ - VMA_ASSERT(allocator); - - VMA_DEBUG_LOG("vmaEndDefragmentationPass"); - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - if(context == VK_NULL_HANDLE) - return VK_SUCCESS; - - return allocator->DefragmentationPassEnd(context); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( - VmaAllocator allocator, - VmaAllocation allocation, - VkBuffer buffer) -{ - VMA_ASSERT(allocator && allocation && buffer); - - VMA_DEBUG_LOG("vmaBindBufferMemory"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - return allocator->BindBufferMemory(allocation, 0, buffer, VMA_NULL); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory2( - VmaAllocator allocator, - VmaAllocation allocation, - VkDeviceSize allocationLocalOffset, - VkBuffer buffer, - const void* pNext) -{ - VMA_ASSERT(allocator && allocation && buffer); - - VMA_DEBUG_LOG("vmaBindBufferMemory2"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - return allocator->BindBufferMemory(allocation, allocationLocalOffset, buffer, pNext); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory( - VmaAllocator allocator, - VmaAllocation allocation, - VkImage image) -{ - VMA_ASSERT(allocator && allocation && image); - - VMA_DEBUG_LOG("vmaBindImageMemory"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - return allocator->BindImageMemory(allocation, 0, image, VMA_NULL); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory2( - VmaAllocator allocator, - VmaAllocation allocation, - VkDeviceSize allocationLocalOffset, - VkImage image, - const void* pNext) -{ - VMA_ASSERT(allocator && allocation && image); - - VMA_DEBUG_LOG("vmaBindImageMemory2"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - return allocator->BindImageMemory(allocation, allocationLocalOffset, image, pNext); -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( - VmaAllocator allocator, - const VkBufferCreateInfo* pBufferCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - VkBuffer* pBuffer, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && pBufferCreateInfo && pAllocationCreateInfo && pBuffer && pAllocation); - - if(pBufferCreateInfo->size == 0) - { - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && - !allocator->m_UseKhrBufferDeviceAddress) - { - VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - - VMA_DEBUG_LOG("vmaCreateBuffer"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - *pBuffer = VK_NULL_HANDLE; - *pAllocation = VK_NULL_HANDLE; - - // 1. Create VkBuffer. - VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)( - allocator->m_hDevice, - pBufferCreateInfo, - allocator->GetAllocationCallbacks(), - pBuffer); - if(res >= 0) - { - // 2. vkGetBufferMemoryRequirements. - VkMemoryRequirements vkMemReq = {}; - bool requiresDedicatedAllocation = false; - bool prefersDedicatedAllocation = false; - allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq, - requiresDedicatedAllocation, prefersDedicatedAllocation); - - // 3. Allocate memory using allocator. - res = allocator->AllocateMemory( - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - *pBuffer, // dedicatedBuffer - pBufferCreateInfo->usage, // dedicatedBufferUsage - VK_NULL_HANDLE, // dedicatedImage - *pAllocationCreateInfo, - VMA_SUBALLOCATION_TYPE_BUFFER, - 1, // allocationCount - pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreateBuffer( - allocator->GetCurrentFrameIndex(), - *pBufferCreateInfo, - *pAllocationCreateInfo, - *pAllocation); - } -#endif - - if(res >= 0) - { - // 3. Bind buffer with memory. - if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) - { - res = allocator->BindBufferMemory(*pAllocation, 0, *pBuffer, VMA_NULL); - } - if(res >= 0) - { - // All steps succeeded. - #if VMA_STATS_STRING_ENABLED - (*pAllocation)->InitBufferImageUsage(pBufferCreateInfo->usage); - #endif - if(pAllocationInfo != VMA_NULL) - { - allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); - } - - return VK_SUCCESS; - } - allocator->FreeMemory( - 1, // allocationCount - pAllocation); - *pAllocation = VK_NULL_HANDLE; - (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); - *pBuffer = VK_NULL_HANDLE; - return res; - } - (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); - *pBuffer = VK_NULL_HANDLE; - return res; - } - return res; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( - VmaAllocator allocator, - VkBuffer buffer, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator); - - if(buffer == VK_NULL_HANDLE && allocation == VK_NULL_HANDLE) - { - return; - } - - VMA_DEBUG_LOG("vmaDestroyBuffer"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyBuffer( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - if(buffer != VK_NULL_HANDLE) - { - (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, buffer, allocator->GetAllocationCallbacks()); - } - - if(allocation != VK_NULL_HANDLE) - { - allocator->FreeMemory( - 1, // allocationCount - &allocation); - } -} - -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( - VmaAllocator allocator, - const VkImageCreateInfo* pImageCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - VkImage* pImage, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo) -{ - VMA_ASSERT(allocator && pImageCreateInfo && pAllocationCreateInfo && pImage && pAllocation); - - if(pImageCreateInfo->extent.width == 0 || - pImageCreateInfo->extent.height == 0 || - pImageCreateInfo->extent.depth == 0 || - pImageCreateInfo->mipLevels == 0 || - pImageCreateInfo->arrayLayers == 0) - { - return VK_ERROR_VALIDATION_FAILED_EXT; - } - - VMA_DEBUG_LOG("vmaCreateImage"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - - *pImage = VK_NULL_HANDLE; - *pAllocation = VK_NULL_HANDLE; - - // 1. Create VkImage. - VkResult res = (*allocator->GetVulkanFunctions().vkCreateImage)( - allocator->m_hDevice, - pImageCreateInfo, - allocator->GetAllocationCallbacks(), - pImage); - if(res >= 0) - { - VmaSuballocationType suballocType = pImageCreateInfo->tiling == VK_IMAGE_TILING_OPTIMAL ? - VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL : - VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR; - - // 2. Allocate memory using allocator. - VkMemoryRequirements vkMemReq = {}; - bool requiresDedicatedAllocation = false; - bool prefersDedicatedAllocation = false; - allocator->GetImageMemoryRequirements(*pImage, vkMemReq, - requiresDedicatedAllocation, prefersDedicatedAllocation); - - res = allocator->AllocateMemory( - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - VK_NULL_HANDLE, // dedicatedBuffer - UINT32_MAX, // dedicatedBufferUsage - *pImage, // dedicatedImage - *pAllocationCreateInfo, - suballocType, - 1, // allocationCount - pAllocation); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreateImage( - allocator->GetCurrentFrameIndex(), - *pImageCreateInfo, - *pAllocationCreateInfo, - *pAllocation); - } -#endif - - if(res >= 0) - { - // 3. Bind image with memory. - if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) - { - res = allocator->BindImageMemory(*pAllocation, 0, *pImage, VMA_NULL); - } - if(res >= 0) - { - // All steps succeeded. - #if VMA_STATS_STRING_ENABLED - (*pAllocation)->InitBufferImageUsage(pImageCreateInfo->usage); - #endif - if(pAllocationInfo != VMA_NULL) - { - allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); - } - - return VK_SUCCESS; - } - allocator->FreeMemory( - 1, // allocationCount - pAllocation); - *pAllocation = VK_NULL_HANDLE; - (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, *pImage, allocator->GetAllocationCallbacks()); - *pImage = VK_NULL_HANDLE; - return res; - } - (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, *pImage, allocator->GetAllocationCallbacks()); - *pImage = VK_NULL_HANDLE; - return res; - } - return res; -} - -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( - VmaAllocator allocator, - VkImage image, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator); - - if(image == VK_NULL_HANDLE && allocation == VK_NULL_HANDLE) - { - return; - } - - VMA_DEBUG_LOG("vmaDestroyImage"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyImage( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - if(image != VK_NULL_HANDLE) - { - (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, image, allocator->GetAllocationCallbacks()); - } - if(allocation != VK_NULL_HANDLE) - { - allocator->FreeMemory( - 1, // allocationCount - &allocation); - } -} - -#endif // #ifdef VMA_IMPLEMENTATION From 4e6c9d3ae979f2eb0151cf581fe61d2f3194ea72 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pedro=20J=2E=20Est=C3=A9banez?= Date: Sat, 12 Feb 2022 12:47:08 +0100 Subject: [PATCH 2/2] Add a separate pool for small allocations in Vulkan RD --- drivers/vulkan/rendering_device_vulkan.cpp | 22 +- drivers/vulkan/rendering_device_vulkan.h | 1 + .../patches/03-VMA-universal-pools.patch | 567 ++++++++++++++++++ thirdparty/vulkan/vk_mem_alloc.h | 346 ++++++----- 4 files changed, 777 insertions(+), 159 deletions(-) create mode 100644 thirdparty/vulkan/patches/03-VMA-universal-pools.patch diff --git a/drivers/vulkan/rendering_device_vulkan.cpp b/drivers/vulkan/rendering_device_vulkan.cpp index ba623eb298c..1d6d9d56e8c 100644 --- a/drivers/vulkan/rendering_device_vulkan.cpp +++ b/drivers/vulkan/rendering_device_vulkan.cpp @@ -43,6 +43,8 @@ //#define FORCE_FULL_BARRIER +static const uint32_t SMALL_ALLOCATION_MAX_SIZE = 4096; + // Get the Vulkan object information and possible stage access types (bitwise OR'd with incoming values) RenderingDeviceVulkan::Buffer *RenderingDeviceVulkan::_get_buffer_from_owner(RID p_buffer, VkPipelineStageFlags &r_stage_mask, VkAccessFlags &r_access_mask, uint32_t p_post_barrier) { Buffer *buffer = nullptr; @@ -1333,7 +1335,7 @@ Error RenderingDeviceVulkan::_buffer_allocate(Buffer *p_buffer, uint32_t p_size, allocInfo.requiredFlags = 0; allocInfo.preferredFlags = 0; allocInfo.memoryTypeBits = 0; - allocInfo.pool = nullptr; + allocInfo.pool = p_size <= SMALL_ALLOCATION_MAX_SIZE ? small_allocs_pool : nullptr; allocInfo.pUserData = nullptr; VkResult err = vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &p_buffer->buffer, &p_buffer->allocation, nullptr); @@ -1836,13 +1838,16 @@ RID RenderingDeviceVulkan::texture_create(const TextureFormat &p_format, const T //allocate memory + uint32_t width, height; + uint32_t image_size = get_image_format_required_size(p_format.format, p_format.width, p_format.height, p_format.depth, p_format.mipmaps, &width, &height); + VmaAllocationCreateInfo allocInfo; allocInfo.flags = 0; + allocInfo.pool = image_size <= SMALL_ALLOCATION_MAX_SIZE ? small_allocs_pool : nullptr; allocInfo.usage = p_format.usage_bits & TEXTURE_USAGE_CPU_READ_BIT ? VMA_MEMORY_USAGE_CPU_ONLY : VMA_MEMORY_USAGE_GPU_ONLY; allocInfo.requiredFlags = 0; allocInfo.preferredFlags = 0; allocInfo.memoryTypeBits = 0; - allocInfo.pool = nullptr; allocInfo.pUserData = nullptr; Texture texture; @@ -8808,6 +8813,18 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context, bool p_local_de vmaCreateAllocator(&allocatorInfo, &allocator); } + { //create pool for small objects + VmaPoolCreateInfo pci; + pci.flags = VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT; + pci.blockSize = 0; + pci.minBlockCount = 0; + pci.maxBlockCount = SIZE_MAX; + pci.priority = 0.5f; + pci.minAllocationAlignment = 0; + pci.pMemoryAllocateNext = nullptr; + vmaCreatePool(allocator, &pci, &small_allocs_pool); + } + frames = memnew_arr(Frame, frame_count); frame = 0; //create setup and frame buffers @@ -9276,6 +9293,7 @@ void RenderingDeviceVulkan::finalize() { for (int i = 0; i < staging_buffer_blocks.size(); i++) { vmaDestroyBuffer(allocator, staging_buffer_blocks[i].buffer, staging_buffer_blocks[i].allocation); } + vmaDestroyPool(allocator, small_allocs_pool); vmaDestroyAllocator(allocator); while (vertex_formats.size()) { diff --git a/drivers/vulkan/rendering_device_vulkan.h b/drivers/vulkan/rendering_device_vulkan.h index f42929ffa46..6510893196e 100644 --- a/drivers/vulkan/rendering_device_vulkan.h +++ b/drivers/vulkan/rendering_device_vulkan.h @@ -1016,6 +1016,7 @@ class RenderingDeviceVulkan : public RenderingDevice { void _free_pending_resources(int p_frame); VmaAllocator allocator = nullptr; + VmaPool small_allocs_pool = nullptr; VulkanContext *context = nullptr; diff --git a/thirdparty/vulkan/patches/03-VMA-universal-pools.patch b/thirdparty/vulkan/patches/03-VMA-universal-pools.patch new file mode 100644 index 00000000000..a5de3aaaced --- /dev/null +++ b/thirdparty/vulkan/patches/03-VMA-universal-pools.patch @@ -0,0 +1,567 @@ +diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h +index 74c66b9789..89e00e6326 100644 +--- a/thirdparty/vulkan/vk_mem_alloc.h ++++ b/thirdparty/vulkan/vk_mem_alloc.h +@@ -1127,31 +1127,26 @@ typedef struct VmaAllocationCreateInfo + /** \brief Intended usage of memory. + + You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n +- If `pool` is not null, this member is ignored. + */ + VmaMemoryUsage usage; + /** \brief Flags that must be set in a Memory Type chosen for an allocation. + +- Leave 0 if you specify memory requirements in other way. \n +- If `pool` is not null, this member is ignored.*/ ++ Leave 0 if you specify memory requirements in other way.*/ + VkMemoryPropertyFlags requiredFlags; + /** \brief Flags that preferably should be set in a memory type chosen for an allocation. + +- Set to 0 if no additional flags are preferred. \n +- If `pool` is not null, this member is ignored. */ ++ Set to 0 if no additional flags are preferred.*/ + VkMemoryPropertyFlags preferredFlags; + /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. + + Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if + it meets other requirements specified by this structure, with no further + restrictions on memory type index. \n +- If `pool` is not null, this member is ignored. + */ + uint32_t memoryTypeBits; + /** \brief Pool that this allocation should be created in. + +- Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: +- `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. ++ Leave `VK_NULL_HANDLE` to allocate from default pool. + */ + VmaPool VMA_NULLABLE pool; + /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). +@@ -1173,9 +1168,6 @@ typedef struct VmaAllocationCreateInfo + /// Describes parameter of created #VmaPool. + typedef struct VmaPoolCreateInfo + { +- /** \brief Vulkan memory type index to allocate this pool from. +- */ +- uint32_t memoryTypeIndex; + /** \brief Use combination of #VmaPoolCreateFlagBits. + */ + VmaPoolCreateFlags flags; +@@ -10904,13 +10896,12 @@ struct VmaPool_T + friend struct VmaPoolListItemTraits; + VMA_CLASS_NO_COPY(VmaPool_T) + public: +- VmaBlockVector m_BlockVector; +- VmaDedicatedAllocationList m_DedicatedAllocations; ++ VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; ++ VmaDedicatedAllocationList m_DedicatedAllocations[VK_MAX_MEMORY_TYPES]; + + VmaPool_T( + VmaAllocator hAllocator, +- const VmaPoolCreateInfo& createInfo, +- VkDeviceSize preferredBlockSize); ++ const VmaPoolCreateInfo& createInfo); + ~VmaPool_T(); + + uint32_t GetId() const { return m_Id; } +@@ -10924,6 +10915,7 @@ public: + #endif + + private: ++ const VmaAllocator m_hAllocator; + uint32_t m_Id; + char* m_Name; + VmaPool_T* m_PrevPool = VMA_NULL; +@@ -11405,8 +11397,10 @@ private: + + void ValidateVulkanFunctions(); + ++public: // I'm sorry + VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); + ++private: + VkResult AllocateMemoryOfType( + VmaPool pool, + VkDeviceSize size, +@@ -14176,30 +14170,36 @@ void VmaDefragmentationContext_T::AddPools(uint32_t poolCount, const VmaPool* pP + { + VmaPool pool = pPools[poolIndex]; + VMA_ASSERT(pool); +- // Pools with algorithm other than default are not defragmented. +- if (pool->m_BlockVector.GetAlgorithm() == 0) ++ for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) + { +- VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; +- +- for (size_t i = m_CustomPoolContexts.size(); i--; ) ++ if(pool->m_pBlockVectors[memTypeIndex]) + { +- if (m_CustomPoolContexts[i]->GetCustomPool() == pool) ++ // Pools with algorithm other than default are not defragmented. ++ if (pool->m_pBlockVectors[memTypeIndex]->GetAlgorithm() == 0) + { +- pBlockVectorDefragCtx = m_CustomPoolContexts[i]; +- break; +- } +- } ++ VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; + +- if (!pBlockVectorDefragCtx) +- { +- pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( +- m_hAllocator, +- pool, +- &pool->m_BlockVector); +- m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); +- } ++ for (size_t i = m_CustomPoolContexts.size(); i--; ) ++ { ++ if (m_CustomPoolContexts[i]->GetCustomPool() == pool) ++ { ++ pBlockVectorDefragCtx = m_CustomPoolContexts[i]; ++ break; ++ } ++ } ++ ++ if (!pBlockVectorDefragCtx) ++ { ++ pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( ++ m_hAllocator, ++ pool, ++ pool->m_pBlockVectors[memTypeIndex]); ++ m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); ++ } + +- pBlockVectorDefragCtx->AddAll(); ++ pBlockVectorDefragCtx->AddAll(); ++ } ++ } + } + } + } +@@ -14214,6 +14214,7 @@ void VmaDefragmentationContext_T::AddAllocations( + { + const VmaAllocation hAlloc = pAllocations[allocIndex]; + VMA_ASSERT(hAlloc); ++ const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); + // DedicatedAlloc cannot be defragmented. + if (hAlloc->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK) + { +@@ -14224,7 +14225,7 @@ void VmaDefragmentationContext_T::AddAllocations( + if (hAllocPool != VK_NULL_HANDLE) + { + // Pools with algorithm other than default are not defragmented. +- if (hAllocPool->m_BlockVector.GetAlgorithm() == 0) ++ if (hAllocPool->m_pBlockVectors[memTypeIndex]->GetAlgorithm() == 0) + { + for (size_t i = m_CustomPoolContexts.size(); i--; ) + { +@@ -14239,7 +14240,7 @@ void VmaDefragmentationContext_T::AddAllocations( + pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( + m_hAllocator, + hAllocPool, +- &hAllocPool->m_BlockVector); ++ hAllocPool->m_pBlockVectors[memTypeIndex]); + m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); + } + } +@@ -14247,7 +14248,6 @@ void VmaDefragmentationContext_T::AddAllocations( + // This allocation belongs to default pool. + else + { +- const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); + pBlockVectorDefragCtx = m_DefaultPoolContexts[memTypeIndex]; + if (!pBlockVectorDefragCtx) + { +@@ -14481,41 +14481,61 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd() + #ifndef _VMA_POOL_T_FUNCTIONS + VmaPool_T::VmaPool_T( + VmaAllocator hAllocator, +- const VmaPoolCreateInfo& createInfo, +- VkDeviceSize preferredBlockSize) +- : m_BlockVector( +- hAllocator, +- this, // hParentPool +- createInfo.memoryTypeIndex, +- createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, +- createInfo.minBlockCount, +- createInfo.maxBlockCount, +- (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), +- createInfo.blockSize != 0, // explicitBlockSize +- createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm +- createInfo.priority, +- VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(createInfo.memoryTypeIndex), createInfo.minAllocationAlignment), +- createInfo.pMemoryAllocateNext), ++ const VmaPoolCreateInfo& createInfo) : ++ m_hAllocator(hAllocator), ++ m_pBlockVectors{}, + m_Id(0), +- m_Name(VMA_NULL) {} ++ m_Name(VMA_NULL) ++{ ++ for(uint32_t memTypeIndex = 0; memTypeIndex < hAllocator->GetMemoryTypeCount(); ++memTypeIndex) ++ { ++ // Create only supported types ++ if((hAllocator->GetGlobalMemoryTypeBits() & (1u << memTypeIndex)) != 0) ++ { ++ m_pBlockVectors[memTypeIndex] = vma_new(hAllocator, VmaBlockVector)( ++ hAllocator, ++ this, // hParentPool ++ memTypeIndex, ++ createInfo.blockSize != 0 ? createInfo.blockSize : hAllocator->CalcPreferredBlockSize(memTypeIndex), ++ createInfo.minBlockCount, ++ createInfo.maxBlockCount, ++ (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), ++ false, // explicitBlockSize ++ createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm ++ createInfo.priority, ++ VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(memTypeIndex), createInfo.minAllocationAlignment), ++ createInfo.pMemoryAllocateNext); ++ } ++ } ++} + + VmaPool_T::~VmaPool_T() + { + VMA_ASSERT(m_PrevPool == VMA_NULL && m_NextPool == VMA_NULL); ++ for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) ++ { ++ vma_delete(m_hAllocator, m_pBlockVectors[memTypeIndex]); ++ } + } + + void VmaPool_T::SetName(const char* pName) + { +- const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); +- VmaFreeString(allocs, m_Name); +- +- if (pName != VMA_NULL) +- { +- m_Name = VmaCreateStringCopy(allocs, pName); +- } +- else ++ for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) + { +- m_Name = VMA_NULL; ++ if(m_pBlockVectors[memTypeIndex]) ++ { ++ const VkAllocationCallbacks* allocs = m_pBlockVectors[memTypeIndex]->GetAllocator()->GetAllocationCallbacks(); ++ VmaFreeString(allocs, m_Name); ++ ++ if (pName != VMA_NULL) ++ { ++ m_Name = VmaCreateStringCopy(allocs, pName); ++ } ++ else ++ { ++ m_Name = VMA_NULL; ++ } ++ } + } + } + #endif // _VMA_POOL_T_FUNCTIONS +@@ -15377,15 +15397,22 @@ VkResult VmaAllocator_T::CalcAllocationParams( + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + } + +- if(inoutCreateInfo.pool != VK_NULL_HANDLE) ++ if(inoutCreateInfo.pool != VK_NULL_HANDLE && (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) + { +- if(inoutCreateInfo.pool->m_BlockVector.HasExplicitBlockSize() && +- (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) ++ // Assuming here every block has the same block size and priority. ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { +- VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); +- return VK_ERROR_FEATURE_NOT_PRESENT; ++ if(inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]) ++ { ++ if(inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]->HasExplicitBlockSize()) ++ { ++ VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); ++ return VK_ERROR_FEATURE_NOT_PRESENT; ++ } ++ inoutCreateInfo.priority = inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]->GetPriority(); ++ break; ++ } + } +- inoutCreateInfo.priority = inoutCreateInfo.pool->m_BlockVector.GetPriority(); + } + + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && +@@ -15429,67 +15456,46 @@ VkResult VmaAllocator_T::AllocateMemory( + if(res != VK_SUCCESS) + return res; + +- if(createInfoFinal.pool != VK_NULL_HANDLE) ++ // Bit mask of memory Vulkan types acceptable for this allocation. ++ uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; ++ uint32_t memTypeIndex = UINT32_MAX; ++ res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); ++ // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. ++ if(res != VK_SUCCESS) ++ return res; ++ do + { +- VmaBlockVector& blockVector = createInfoFinal.pool->m_BlockVector; +- return AllocateMemoryOfType( ++ VmaBlockVector* blockVector = createInfoFinal.pool == VK_NULL_HANDLE ? m_pBlockVectors[memTypeIndex] : createInfoFinal.pool->m_pBlockVectors[memTypeIndex]; ++ VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); ++ VmaDedicatedAllocationList& dedicatedAllocations = createInfoFinal.pool == VK_NULL_HANDLE ? m_DedicatedAllocations[memTypeIndex] : createInfoFinal.pool->m_DedicatedAllocations[memTypeIndex]; ++ res = AllocateMemoryOfType( + createInfoFinal.pool, + vkMemReq.size, + vkMemReq.alignment, +- prefersDedicatedAllocation, ++ requiresDedicatedAllocation || prefersDedicatedAllocation, + dedicatedBuffer, + dedicatedBufferUsage, + dedicatedImage, + createInfoFinal, +- blockVector.GetMemoryTypeIndex(), ++ memTypeIndex, + suballocType, +- createInfoFinal.pool->m_DedicatedAllocations, +- blockVector, ++ dedicatedAllocations, ++ *blockVector, + allocationCount, + pAllocations); +- } +- else +- { +- // Bit mask of memory Vulkan types acceptable for this allocation. +- uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; +- uint32_t memTypeIndex = UINT32_MAX; +- res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); +- // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. +- if(res != VK_SUCCESS) +- return res; +- do +- { +- VmaBlockVector* blockVector = m_pBlockVectors[memTypeIndex]; +- VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); +- res = AllocateMemoryOfType( +- VK_NULL_HANDLE, +- vkMemReq.size, +- vkMemReq.alignment, +- requiresDedicatedAllocation || prefersDedicatedAllocation, +- dedicatedBuffer, +- dedicatedBufferUsage, +- dedicatedImage, +- createInfoFinal, +- memTypeIndex, +- suballocType, +- m_DedicatedAllocations[memTypeIndex], +- *blockVector, +- allocationCount, +- pAllocations); +- // Allocation succeeded +- if(res == VK_SUCCESS) +- return VK_SUCCESS; ++ // Allocation succeeded ++ if(res == VK_SUCCESS) ++ return VK_SUCCESS; + +- // Remove old memTypeIndex from list of possibilities. +- memoryTypeBits &= ~(1u << memTypeIndex); +- // Find alternative memTypeIndex. +- res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); +- } while(res == VK_SUCCESS); ++ // Remove old memTypeIndex from list of possibilities. ++ memoryTypeBits &= ~(1u << memTypeIndex); ++ // Find alternative memTypeIndex. ++ res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); ++ } while(res == VK_SUCCESS); + +- // No other matching memory type index could be found. +- // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. +- return VK_ERROR_OUT_OF_DEVICE_MEMORY; +- } ++ // No other matching memory type index could be found. ++ // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. ++ return VK_ERROR_OUT_OF_DEVICE_MEMORY; + } + + void VmaAllocator_T::FreeMemory( +@@ -15515,16 +15521,16 @@ void VmaAllocator_T::FreeMemory( + { + VmaBlockVector* pBlockVector = VMA_NULL; + VmaPool hPool = allocation->GetParentPool(); ++ const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + if(hPool != VK_NULL_HANDLE) + { +- pBlockVector = &hPool->m_BlockVector; ++ pBlockVector = hPool->m_pBlockVectors[memTypeIndex]; + } + else + { +- const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + pBlockVector = m_pBlockVectors[memTypeIndex]; +- VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); + } ++ VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); + pBlockVector->Free(allocation); + } + break; +@@ -15564,11 +15570,17 @@ void VmaAllocator_T::CalculateStats(VmaStats* pStats) + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) + { +- VmaBlockVector& blockVector = pool->m_BlockVector; +- blockVector.AddStats(pStats); +- const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); +- const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); +- pool->m_DedicatedAllocations.AddStats(pStats, memTypeIndex, memHeapIndex); ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) ++ { ++ if (pool->m_pBlockVectors[memTypeIndex]) ++ { ++ VmaBlockVector& blockVector = *pool->m_pBlockVectors[memTypeIndex]; ++ blockVector.AddStats(pStats); ++ const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); ++ const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); ++ pool->m_DedicatedAllocations[memTypeIndex].AddStats(pStats, memTypeIndex, memHeapIndex); ++ } ++ } + } + } + +@@ -15720,27 +15732,26 @@ VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPoo + { + return VK_ERROR_INITIALIZATION_FAILED; + } +- // Memory type index out of range or forbidden. +- if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() || +- ((1u << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0) +- { +- return VK_ERROR_FEATURE_NOT_PRESENT; +- } + if(newCreateInfo.minAllocationAlignment > 0) + { + VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment)); + } + +- const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex); +- +- *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo, preferredBlockSize); ++ *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo); + +- VkResult res = (*pPool)->m_BlockVector.CreateMinBlocks(); +- if(res != VK_SUCCESS) ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { +- vma_delete(this, *pPool); +- *pPool = VMA_NULL; +- return res; ++ // Create only supported types ++ if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) ++ { ++ VkResult res = (*pPool)->m_pBlockVectors[memTypeIndex]->CreateMinBlocks(); ++ if(res != VK_SUCCESS) ++ { ++ vma_delete(this, *pPool); ++ *pPool = VMA_NULL; ++ return res; ++ } ++ } + } + + // Add to m_Pools. +@@ -15772,8 +15783,14 @@ void VmaAllocator_T::GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats) + pPoolStats->unusedRangeCount = 0; + pPoolStats->blockCount = 0; + +- pool->m_BlockVector.AddPoolStats(pPoolStats); +- pool->m_DedicatedAllocations.AddPoolStats(pPoolStats); ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) ++ { ++ if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) ++ { ++ pool->m_pBlockVectors[memTypeIndex]->AddPoolStats(pPoolStats); ++ pool->m_DedicatedAllocations[memTypeIndex].AddPoolStats(pPoolStats); ++ } ++ } + } + + void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) +@@ -15790,7 +15807,13 @@ void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) + + VkResult VmaAllocator_T::CheckPoolCorruption(VmaPool hPool) + { +- return hPool->m_BlockVector.CheckCorruption(); ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) ++ { ++ if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) ++ { ++ return hPool->m_pBlockVectors[memTypeIndex]->CheckCorruption(); ++ } ++ } + } + + VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) +@@ -15822,18 +15845,21 @@ VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) + { +- if(((1u << pool->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { +- VkResult localRes = pool->m_BlockVector.CheckCorruption(); +- switch(localRes) ++ if(pool->m_pBlockVectors[memTypeIndex] && ((1u << memTypeIndex) & memoryTypeBits) != 0) + { +- case VK_ERROR_FEATURE_NOT_PRESENT: +- break; +- case VK_SUCCESS: +- finalRes = VK_SUCCESS; +- break; +- default: +- return localRes; ++ VkResult localRes = pool->m_pBlockVectors[memTypeIndex]->CheckCorruption(); ++ switch(localRes) ++ { ++ case VK_ERROR_FEATURE_NOT_PRESENT: ++ break; ++ case VK_SUCCESS: ++ finalRes = VK_SUCCESS; ++ break; ++ default: ++ return localRes; ++ } + } + } + } +@@ -16155,7 +16181,7 @@ void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) + else + { + // Custom pool +- parentPool->m_DedicatedAllocations.Unregister(allocation); ++ parentPool->m_DedicatedAllocations[memTypeIndex].Unregister(allocation); + } + + VkDeviceMemory hMemory = allocation->GetMemory(); +@@ -16430,12 +16456,18 @@ void VmaAllocator_T::PrintDetailedMap(VmaJsonWriter& json) + json.EndString(); + + json.BeginObject(); +- pool->m_BlockVector.PrintDetailedMap(json); +- +- if (!pool->m_DedicatedAllocations.IsEmpty()) ++ for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { +- json.WriteString("DedicatedAllocations"); +- pool->m_DedicatedAllocations.BuildStatsString(json); ++ if (pool->m_pBlockVectors[memTypeIndex]) ++ { ++ pool->m_pBlockVectors[memTypeIndex]->PrintDetailedMap(json); ++ } ++ ++ if (!pool->m_DedicatedAllocations[memTypeIndex].IsEmpty()) ++ { ++ json.WriteString("DedicatedAllocations"); ++ pool->m_DedicatedAllocations->BuildStatsString(json); ++ } + } + json.EndObject(); + } diff --git a/thirdparty/vulkan/vk_mem_alloc.h b/thirdparty/vulkan/vk_mem_alloc.h index 74c66b97899..89e00e6326c 100644 --- a/thirdparty/vulkan/vk_mem_alloc.h +++ b/thirdparty/vulkan/vk_mem_alloc.h @@ -1127,31 +1127,26 @@ typedef struct VmaAllocationCreateInfo /** \brief Intended usage of memory. You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored. */ VmaMemoryUsage usage; /** \brief Flags that must be set in a Memory Type chosen for an allocation. - Leave 0 if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored.*/ + Leave 0 if you specify memory requirements in other way.*/ VkMemoryPropertyFlags requiredFlags; /** \brief Flags that preferably should be set in a memory type chosen for an allocation. - Set to 0 if no additional flags are preferred. \n - If `pool` is not null, this member is ignored. */ + Set to 0 if no additional flags are preferred.*/ VkMemoryPropertyFlags preferredFlags; /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if it meets other requirements specified by this structure, with no further restrictions on memory type index. \n - If `pool` is not null, this member is ignored. */ uint32_t memoryTypeBits; /** \brief Pool that this allocation should be created in. - Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: - `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. + Leave `VK_NULL_HANDLE` to allocate from default pool. */ VmaPool VMA_NULLABLE pool; /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). @@ -1173,9 +1168,6 @@ typedef struct VmaAllocationCreateInfo /// Describes parameter of created #VmaPool. typedef struct VmaPoolCreateInfo { - /** \brief Vulkan memory type index to allocate this pool from. - */ - uint32_t memoryTypeIndex; /** \brief Use combination of #VmaPoolCreateFlagBits. */ VmaPoolCreateFlags flags; @@ -10904,13 +10896,12 @@ struct VmaPool_T friend struct VmaPoolListItemTraits; VMA_CLASS_NO_COPY(VmaPool_T) public: - VmaBlockVector m_BlockVector; - VmaDedicatedAllocationList m_DedicatedAllocations; + VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; + VmaDedicatedAllocationList m_DedicatedAllocations[VK_MAX_MEMORY_TYPES]; VmaPool_T( VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize); + const VmaPoolCreateInfo& createInfo); ~VmaPool_T(); uint32_t GetId() const { return m_Id; } @@ -10924,6 +10915,7 @@ public: #endif private: + const VmaAllocator m_hAllocator; uint32_t m_Id; char* m_Name; VmaPool_T* m_PrevPool = VMA_NULL; @@ -11405,8 +11397,10 @@ private: void ValidateVulkanFunctions(); +public: // I'm sorry VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); +private: VkResult AllocateMemoryOfType( VmaPool pool, VkDeviceSize size, @@ -14176,30 +14170,36 @@ void VmaDefragmentationContext_T::AddPools(uint32_t poolCount, const VmaPool* pP { VmaPool pool = pPools[poolIndex]; VMA_ASSERT(pool); - // Pools with algorithm other than default are not defragmented. - if (pool->m_BlockVector.GetAlgorithm() == 0) + for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) { - VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; - - for (size_t i = m_CustomPoolContexts.size(); i--; ) + if(pool->m_pBlockVectors[memTypeIndex]) { - if (m_CustomPoolContexts[i]->GetCustomPool() == pool) + // Pools with algorithm other than default are not defragmented. + if (pool->m_pBlockVectors[memTypeIndex]->GetAlgorithm() == 0) { - pBlockVectorDefragCtx = m_CustomPoolContexts[i]; - break; + VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; + + for (size_t i = m_CustomPoolContexts.size(); i--; ) + { + if (m_CustomPoolContexts[i]->GetCustomPool() == pool) + { + pBlockVectorDefragCtx = m_CustomPoolContexts[i]; + break; + } + } + + if (!pBlockVectorDefragCtx) + { + pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( + m_hAllocator, + pool, + pool->m_pBlockVectors[memTypeIndex]); + m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); + } + + pBlockVectorDefragCtx->AddAll(); } } - - if (!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - pool, - &pool->m_BlockVector); - m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); - } - - pBlockVectorDefragCtx->AddAll(); } } } @@ -14214,6 +14214,7 @@ void VmaDefragmentationContext_T::AddAllocations( { const VmaAllocation hAlloc = pAllocations[allocIndex]; VMA_ASSERT(hAlloc); + const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); // DedicatedAlloc cannot be defragmented. if (hAlloc->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK) { @@ -14224,7 +14225,7 @@ void VmaDefragmentationContext_T::AddAllocations( if (hAllocPool != VK_NULL_HANDLE) { // Pools with algorithm other than default are not defragmented. - if (hAllocPool->m_BlockVector.GetAlgorithm() == 0) + if (hAllocPool->m_pBlockVectors[memTypeIndex]->GetAlgorithm() == 0) { for (size_t i = m_CustomPoolContexts.size(); i--; ) { @@ -14239,7 +14240,7 @@ void VmaDefragmentationContext_T::AddAllocations( pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( m_hAllocator, hAllocPool, - &hAllocPool->m_BlockVector); + hAllocPool->m_pBlockVectors[memTypeIndex]); m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); } } @@ -14247,7 +14248,6 @@ void VmaDefragmentationContext_T::AddAllocations( // This allocation belongs to default pool. else { - const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); pBlockVectorDefragCtx = m_DefaultPoolContexts[memTypeIndex]; if (!pBlockVectorDefragCtx) { @@ -14481,41 +14481,61 @@ VkResult VmaDefragmentationContext_T::DefragmentPassEnd() #ifndef _VMA_POOL_T_FUNCTIONS VmaPool_T::VmaPool_T( VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize) - : m_BlockVector( - hAllocator, - this, // hParentPool - createInfo.memoryTypeIndex, - createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, - createInfo.minBlockCount, - createInfo.maxBlockCount, - (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), - createInfo.blockSize != 0, // explicitBlockSize - createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm - createInfo.priority, - VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(createInfo.memoryTypeIndex), createInfo.minAllocationAlignment), - createInfo.pMemoryAllocateNext), + const VmaPoolCreateInfo& createInfo) : + m_hAllocator(hAllocator), + m_pBlockVectors{}, m_Id(0), - m_Name(VMA_NULL) {} + m_Name(VMA_NULL) +{ + for(uint32_t memTypeIndex = 0; memTypeIndex < hAllocator->GetMemoryTypeCount(); ++memTypeIndex) + { + // Create only supported types + if((hAllocator->GetGlobalMemoryTypeBits() & (1u << memTypeIndex)) != 0) + { + m_pBlockVectors[memTypeIndex] = vma_new(hAllocator, VmaBlockVector)( + hAllocator, + this, // hParentPool + memTypeIndex, + createInfo.blockSize != 0 ? createInfo.blockSize : hAllocator->CalcPreferredBlockSize(memTypeIndex), + createInfo.minBlockCount, + createInfo.maxBlockCount, + (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), + false, // explicitBlockSize + createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm + createInfo.priority, + VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(memTypeIndex), createInfo.minAllocationAlignment), + createInfo.pMemoryAllocateNext); + } + } +} VmaPool_T::~VmaPool_T() { VMA_ASSERT(m_PrevPool == VMA_NULL && m_NextPool == VMA_NULL); + for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) + { + vma_delete(m_hAllocator, m_pBlockVectors[memTypeIndex]); + } } void VmaPool_T::SetName(const char* pName) { - const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); - VmaFreeString(allocs, m_Name); + for(uint32_t memTypeIndex = 0; memTypeIndex < m_hAllocator->GetMemoryTypeCount(); ++memTypeIndex) + { + if(m_pBlockVectors[memTypeIndex]) + { + const VkAllocationCallbacks* allocs = m_pBlockVectors[memTypeIndex]->GetAllocator()->GetAllocationCallbacks(); + VmaFreeString(allocs, m_Name); - if (pName != VMA_NULL) - { - m_Name = VmaCreateStringCopy(allocs, pName); - } - else - { - m_Name = VMA_NULL; + if (pName != VMA_NULL) + { + m_Name = VmaCreateStringCopy(allocs, pName); + } + else + { + m_Name = VMA_NULL; + } + } } } #endif // _VMA_POOL_T_FUNCTIONS @@ -15377,15 +15397,22 @@ VkResult VmaAllocator_T::CalcAllocationParams( inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; } - if(inoutCreateInfo.pool != VK_NULL_HANDLE) + if(inoutCreateInfo.pool != VK_NULL_HANDLE && (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) { - if(inoutCreateInfo.pool->m_BlockVector.HasExplicitBlockSize() && - (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) + // Assuming here every block has the same block size and priority. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); - return VK_ERROR_FEATURE_NOT_PRESENT; + if(inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]) + { + if(inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]->HasExplicitBlockSize()) + { + VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); + return VK_ERROR_FEATURE_NOT_PRESENT; + } + inoutCreateInfo.priority = inoutCreateInfo.pool->m_pBlockVectors[memTypeIndex]->GetPriority(); + break; + } } - inoutCreateInfo.priority = inoutCreateInfo.pool->m_BlockVector.GetPriority(); } if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && @@ -15429,67 +15456,46 @@ VkResult VmaAllocator_T::AllocateMemory( if(res != VK_SUCCESS) return res; - if(createInfoFinal.pool != VK_NULL_HANDLE) + // Bit mask of memory Vulkan types acceptable for this allocation. + uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; + uint32_t memTypeIndex = UINT32_MAX; + res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); + // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. + if(res != VK_SUCCESS) + return res; + do { - VmaBlockVector& blockVector = createInfoFinal.pool->m_BlockVector; - return AllocateMemoryOfType( + VmaBlockVector* blockVector = createInfoFinal.pool == VK_NULL_HANDLE ? m_pBlockVectors[memTypeIndex] : createInfoFinal.pool->m_pBlockVectors[memTypeIndex]; + VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); + VmaDedicatedAllocationList& dedicatedAllocations = createInfoFinal.pool == VK_NULL_HANDLE ? m_DedicatedAllocations[memTypeIndex] : createInfoFinal.pool->m_DedicatedAllocations[memTypeIndex]; + res = AllocateMemoryOfType( createInfoFinal.pool, vkMemReq.size, vkMemReq.alignment, - prefersDedicatedAllocation, + requiresDedicatedAllocation || prefersDedicatedAllocation, dedicatedBuffer, dedicatedBufferUsage, dedicatedImage, createInfoFinal, - blockVector.GetMemoryTypeIndex(), + memTypeIndex, suballocType, - createInfoFinal.pool->m_DedicatedAllocations, - blockVector, + dedicatedAllocations, + *blockVector, allocationCount, pAllocations); - } - else - { - // Bit mask of memory Vulkan types acceptable for this allocation. - uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; - uint32_t memTypeIndex = UINT32_MAX; + // Allocation succeeded + if(res == VK_SUCCESS) + return VK_SUCCESS; + + // Remove old memTypeIndex from list of possibilities. + memoryTypeBits &= ~(1u << memTypeIndex); + // Find alternative memTypeIndex. res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); - // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. - if(res != VK_SUCCESS) - return res; - do - { - VmaBlockVector* blockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); - res = AllocateMemoryOfType( - VK_NULL_HANDLE, - vkMemReq.size, - vkMemReq.alignment, - requiresDedicatedAllocation || prefersDedicatedAllocation, - dedicatedBuffer, - dedicatedBufferUsage, - dedicatedImage, - createInfoFinal, - memTypeIndex, - suballocType, - m_DedicatedAllocations[memTypeIndex], - *blockVector, - allocationCount, - pAllocations); - // Allocation succeeded - if(res == VK_SUCCESS) - return VK_SUCCESS; + } while(res == VK_SUCCESS); - // Remove old memTypeIndex from list of possibilities. - memoryTypeBits &= ~(1u << memTypeIndex); - // Find alternative memTypeIndex. - res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfoFinal, &memTypeIndex); - } while(res == VK_SUCCESS); - - // No other matching memory type index could be found. - // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } + // No other matching memory type index could be found. + // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. + return VK_ERROR_OUT_OF_DEVICE_MEMORY; } void VmaAllocator_T::FreeMemory( @@ -15515,16 +15521,16 @@ void VmaAllocator_T::FreeMemory( { VmaBlockVector* pBlockVector = VMA_NULL; VmaPool hPool = allocation->GetParentPool(); + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); if(hPool != VK_NULL_HANDLE) { - pBlockVector = &hPool->m_BlockVector; + pBlockVector = hPool->m_pBlockVectors[memTypeIndex]; } else { - const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); pBlockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); } + VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); pBlockVector->Free(allocation); } break; @@ -15564,11 +15570,17 @@ void VmaAllocator_T::CalculateStats(VmaStats* pStats) VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) { - VmaBlockVector& blockVector = pool->m_BlockVector; - blockVector.AddStats(pStats); - const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); - const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - pool->m_DedicatedAllocations.AddStats(pStats, memTypeIndex, memHeapIndex); + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + if (pool->m_pBlockVectors[memTypeIndex]) + { + VmaBlockVector& blockVector = *pool->m_pBlockVectors[memTypeIndex]; + blockVector.AddStats(pStats); + const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); + const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + pool->m_DedicatedAllocations[memTypeIndex].AddStats(pStats, memTypeIndex, memHeapIndex); + } + } } } @@ -15720,27 +15732,26 @@ VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPoo { return VK_ERROR_INITIALIZATION_FAILED; } - // Memory type index out of range or forbidden. - if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() || - ((1u << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0) - { - return VK_ERROR_FEATURE_NOT_PRESENT; - } if(newCreateInfo.minAllocationAlignment > 0) { VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment)); } - const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex); + *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo); - *pPool = vma_new(this, VmaPool_T)(this, newCreateInfo, preferredBlockSize); - - VkResult res = (*pPool)->m_BlockVector.CreateMinBlocks(); - if(res != VK_SUCCESS) + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - vma_delete(this, *pPool); - *pPool = VMA_NULL; - return res; + // Create only supported types + if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) + { + VkResult res = (*pPool)->m_pBlockVectors[memTypeIndex]->CreateMinBlocks(); + if(res != VK_SUCCESS) + { + vma_delete(this, *pPool); + *pPool = VMA_NULL; + return res; + } + } } // Add to m_Pools. @@ -15772,8 +15783,14 @@ void VmaAllocator_T::GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats) pPoolStats->unusedRangeCount = 0; pPoolStats->blockCount = 0; - pool->m_BlockVector.AddPoolStats(pPoolStats); - pool->m_DedicatedAllocations.AddPoolStats(pPoolStats); + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) + { + pool->m_pBlockVectors[memTypeIndex]->AddPoolStats(pPoolStats); + pool->m_DedicatedAllocations[memTypeIndex].AddPoolStats(pPoolStats); + } + } } void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) @@ -15790,7 +15807,13 @@ void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) VkResult VmaAllocator_T::CheckPoolCorruption(VmaPool hPool) { - return hPool->m_BlockVector.CheckCorruption(); + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) + { + return hPool->m_pBlockVectors[memTypeIndex]->CheckCorruption(); + } + } } VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) @@ -15822,18 +15845,21 @@ VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) { - if(((1u << pool->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - VkResult localRes = pool->m_BlockVector.CheckCorruption(); - switch(localRes) + if(pool->m_pBlockVectors[memTypeIndex] && ((1u << memTypeIndex) & memoryTypeBits) != 0) { - case VK_ERROR_FEATURE_NOT_PRESENT: - break; - case VK_SUCCESS: - finalRes = VK_SUCCESS; - break; - default: - return localRes; + VkResult localRes = pool->m_pBlockVectors[memTypeIndex]->CheckCorruption(); + switch(localRes) + { + case VK_ERROR_FEATURE_NOT_PRESENT: + break; + case VK_SUCCESS: + finalRes = VK_SUCCESS; + break; + default: + return localRes; + } } } } @@ -16155,7 +16181,7 @@ void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) else { // Custom pool - parentPool->m_DedicatedAllocations.Unregister(allocation); + parentPool->m_DedicatedAllocations[memTypeIndex].Unregister(allocation); } VkDeviceMemory hMemory = allocation->GetMemory(); @@ -16430,12 +16456,18 @@ void VmaAllocator_T::PrintDetailedMap(VmaJsonWriter& json) json.EndString(); json.BeginObject(); - pool->m_BlockVector.PrintDetailedMap(json); - - if (!pool->m_DedicatedAllocations.IsEmpty()) + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - json.WriteString("DedicatedAllocations"); - pool->m_DedicatedAllocations.BuildStatsString(json); + if (pool->m_pBlockVectors[memTypeIndex]) + { + pool->m_pBlockVectors[memTypeIndex]->PrintDetailedMap(json); + } + + if (!pool->m_DedicatedAllocations[memTypeIndex].IsEmpty()) + { + json.WriteString("DedicatedAllocations"); + pool->m_DedicatedAllocations->BuildStatsString(json); + } } json.EndObject(); }