1011 lines
40 KiB
C++
1011 lines
40 KiB
C++
/**************************************************************************/
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/* rendering_device_driver_d3d12.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef RENDERING_DEVICE_DRIVER_D3D12_H
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#define RENDERING_DEVICE_DRIVER_D3D12_H
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#include "core/templates/hash_map.h"
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#include "core/templates/paged_allocator.h"
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#include "core/templates/self_list.h"
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#include "servers/rendering/rendering_device_driver.h"
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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#pragma GCC diagnostic ignored "-Wshadow"
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#pragma GCC diagnostic ignored "-Wswitch"
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
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#endif
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#include "d3dx12.h"
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#include <dxgi1_6.h>
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#define D3D12MA_D3D12_HEADERS_ALREADY_INCLUDED
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#include "D3D12MemAlloc.h"
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#include <wrl/client.h>
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#if defined(_MSC_VER) && defined(MemoryBarrier)
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// Annoying define from winnt.h. Reintroduced by some of the headers above.
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#undef MemoryBarrier
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#endif
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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using Microsoft::WRL::ComPtr;
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#define D3D12_BITCODE_OFFSETS_NUM_STAGES 3
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struct dxil_validator;
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class RenderingContextDriverD3D12;
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// Design principles:
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// - D3D12 structs are zero-initialized and fields not requiring a non-zero value are omitted (except in cases where expresivity reasons apply).
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class RenderingDeviceDriverD3D12 : public RenderingDeviceDriver {
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/*****************/
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/**** GENERIC ****/
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/*****************/
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struct D3D12Format {
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DXGI_FORMAT family = DXGI_FORMAT_UNKNOWN;
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DXGI_FORMAT general_format = DXGI_FORMAT_UNKNOWN;
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UINT swizzle = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
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DXGI_FORMAT dsv_format = DXGI_FORMAT_UNKNOWN;
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};
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static const D3D12Format RD_TO_D3D12_FORMAT[RDD::DATA_FORMAT_MAX];
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struct DeviceLimits {
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uint64_t max_srvs_per_shader_stage = 0;
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uint64_t max_cbvs_per_shader_stage = 0;
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uint64_t max_samplers_across_all_stages = 0;
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uint64_t max_uavs_across_all_stages = 0;
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uint64_t timestamp_frequency = 0;
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};
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struct SubgroupCapabilities {
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uint32_t size = 0;
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bool wave_ops_supported = false;
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uint32_t supported_stages_flags_rd() const;
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uint32_t supported_operations_flags_rd() const;
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};
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struct VRSCapabilities {
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bool draw_call_supported = false; // We can specify our fragment rate on a draw call level.
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bool primitive_supported = false; // We can specify our fragment rate on each drawcall.
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bool primitive_in_multiviewport = false;
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bool ss_image_supported = false; // We can provide a density map attachment on our framebuffer.
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uint32_t ss_image_tile_size = 0;
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bool additional_rates_supported = false;
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};
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struct ShaderCapabilities {
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D3D_SHADER_MODEL shader_model = (D3D_SHADER_MODEL)0;
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bool native_16bit_ops = false;
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};
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struct StorageBufferCapabilities {
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bool storage_buffer_16_bit_access_is_supported = false;
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};
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struct FormatCapabilities {
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bool relaxed_casting_supported = false;
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};
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RenderingContextDriverD3D12 *context_driver = nullptr;
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RenderingContextDriver::Device context_device;
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ComPtr<IDXGIAdapter> adapter;
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DXGI_ADAPTER_DESC adapter_desc;
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ComPtr<ID3D12Device> device;
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DeviceLimits device_limits;
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RDD::Capabilities device_capabilities;
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uint32_t feature_level = 0; // Major * 10 + minor.
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SubgroupCapabilities subgroup_capabilities;
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RDD::MultiviewCapabilities multiview_capabilities;
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VRSCapabilities vrs_capabilities;
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ShaderCapabilities shader_capabilities;
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StorageBufferCapabilities storage_buffer_capabilities;
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FormatCapabilities format_capabilities;
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String pipeline_cache_id;
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class DescriptorsHeap {
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D3D12_DESCRIPTOR_HEAP_DESC desc = {};
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ComPtr<ID3D12DescriptorHeap> heap;
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uint32_t handle_size = 0;
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public:
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class Walker { // Texas Ranger.
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friend class DescriptorsHeap;
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uint32_t handle_size = 0;
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uint32_t handle_count = 0;
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D3D12_CPU_DESCRIPTOR_HANDLE first_cpu_handle = {};
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D3D12_GPU_DESCRIPTOR_HANDLE first_gpu_handle = {};
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uint32_t handle_index = 0;
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public:
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D3D12_CPU_DESCRIPTOR_HANDLE get_curr_cpu_handle();
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D3D12_GPU_DESCRIPTOR_HANDLE get_curr_gpu_handle();
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_FORCE_INLINE_ void rewind() { handle_index = 0; }
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void advance(uint32_t p_count = 1);
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uint32_t get_current_handle_index() const { return handle_index; }
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uint32_t get_free_handles() { return handle_count - handle_index; }
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bool is_at_eof() { return handle_index == handle_count; }
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};
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Error allocate(ID3D12Device *m_device, D3D12_DESCRIPTOR_HEAP_TYPE m_type, uint32_t m_descriptor_count, bool p_for_gpu);
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uint32_t get_descriptor_count() const { return desc.NumDescriptors; }
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ID3D12DescriptorHeap *get_heap() const { return heap.Get(); }
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Walker make_walker() const;
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};
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struct {
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ComPtr<ID3D12CommandSignature> draw;
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ComPtr<ID3D12CommandSignature> draw_indexed;
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ComPtr<ID3D12CommandSignature> dispatch;
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} indirect_cmd_signatures;
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static void STDMETHODCALLTYPE _debug_message_func(D3D12_MESSAGE_CATEGORY p_category, D3D12_MESSAGE_SEVERITY p_severity, D3D12_MESSAGE_ID p_id, LPCSTR p_description, void *p_context);
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void _set_object_name(ID3D12Object *p_object, String p_object_name);
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Error _initialize_device();
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Error _check_capabilities();
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Error _get_device_limits();
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Error _initialize_allocator();
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Error _initialize_frames(uint32_t p_frame_count);
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Error _initialize_command_signatures();
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public:
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Error initialize(uint32_t p_device_index, uint32_t p_frame_count) override final;
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private:
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/****************/
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/**** MEMORY ****/
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/****************/
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ComPtr<D3D12MA::Allocator> allocator;
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#define USE_SMALL_ALLOCS_POOL // Disabled by now; seems not to be beneficial as it is in Vulkan.
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#ifdef USE_SMALL_ALLOCS_POOL
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union AllocPoolKey {
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struct {
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D3D12_HEAP_TYPE heap_type;
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D3D12_HEAP_FLAGS heap_flags;
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};
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uint64_t key = 0;
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};
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HashMap<uint64_t, ComPtr<D3D12MA::Pool>> small_allocs_pools;
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D3D12MA::Pool *_find_or_create_small_allocs_pool(D3D12_HEAP_TYPE p_heap_type, D3D12_HEAP_FLAGS p_heap_flags);
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#endif
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/******************/
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/**** RESOURCE ****/
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/******************/
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struct ResourceInfo {
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struct States {
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// As many subresources as mipmaps * layers; planes (for depth-stencil) are tracked together.
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TightLocalVector<D3D12_RESOURCE_STATES> subresource_states; // Used only if not a view.
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uint32_t last_batch_with_uav_barrier = 0;
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};
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ID3D12Resource *resource = nullptr; // Non-null even if a view.
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struct {
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ComPtr<ID3D12Resource> resource;
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ComPtr<D3D12MA::Allocation> allocation;
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States states;
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} owner_info; // All empty if a view.
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States *states_ptr = nullptr; // Own or from another if a view.
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};
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struct BarrierRequest {
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static const uint32_t MAX_GROUPS = 4;
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// Maybe this is too much data to have it locally. Benchmarking may reveal that
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// cache would be used better by having a maximum of local subresource masks and beyond
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// that have an allocated vector with the rest.
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static const uint32_t MAX_SUBRESOURCES = 4096;
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ID3D12Resource *dx_resource = nullptr;
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uint8_t subres_mask_qwords = 0;
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uint8_t planes = 0;
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struct Group {
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D3D12_RESOURCE_STATES states = {};
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static_assert(MAX_SUBRESOURCES % 64 == 0);
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uint64_t subres_mask[MAX_SUBRESOURCES / 64] = {};
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} groups[MAX_GROUPS];
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uint8_t groups_count = 0;
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static const D3D12_RESOURCE_STATES DELETED_GROUP = D3D12_RESOURCE_STATES(0xFFFFFFFFU);
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};
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PagedAllocator<HashMapElement<ResourceInfo::States *, BarrierRequest>> res_barriers_requests_allocator;
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HashMap<ResourceInfo::States *, BarrierRequest, HashMapHasherDefault, HashMapComparatorDefault<ResourceInfo::States *>, decltype(res_barriers_requests_allocator)> res_barriers_requests;
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LocalVector<D3D12_RESOURCE_BARRIER> res_barriers;
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uint32_t res_barriers_count = 0;
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uint32_t res_barriers_batch = 0;
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#ifdef DEV_ENABLED
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int frame_barriers_count = 0;
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int frame_barriers_batches_count = 0;
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uint64_t frame_barriers_cpu_time = 0;
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#endif
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void _resource_transition_batch(ResourceInfo *p_resource, uint32_t p_subresource, uint32_t p_num_planes, D3D12_RESOURCE_STATES p_new_state, ID3D12Resource *p_resource_override = nullptr);
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void _resource_transitions_flush(ID3D12GraphicsCommandList *p_cmd_list);
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/*****************/
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/**** BUFFERS ****/
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/*****************/
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struct BufferInfo : public ResourceInfo {
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DataFormat texel_format = DATA_FORMAT_MAX;
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uint64_t size = 0;
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struct {
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bool usable_as_uav : 1;
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bool is_for_upload : 1;
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} flags = {};
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};
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public:
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virtual BufferID buffer_create(uint64_t p_size, BitField<BufferUsageBits> p_usage, MemoryAllocationType p_allocation_type) override final;
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virtual bool buffer_set_texel_format(BufferID p_buffer, DataFormat p_format) override final;
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virtual void buffer_free(BufferID p_buffer) override final;
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virtual uint64_t buffer_get_allocation_size(BufferID p_buffer) override final;
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virtual uint8_t *buffer_map(BufferID p_buffer) override final;
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virtual void buffer_unmap(BufferID p_buffer) override final;
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/*****************/
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/**** TEXTURE ****/
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/*****************/
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private:
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struct TextureInfo : public ResourceInfo {
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DataFormat format = DATA_FORMAT_MAX;
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CD3DX12_RESOURCE_DESC desc = {};
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uint32_t base_layer = 0;
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uint32_t layers = 0;
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uint32_t base_mip = 0;
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uint32_t mipmaps = 0;
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struct {
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D3D12_SHADER_RESOURCE_VIEW_DESC srv;
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D3D12_UNORDERED_ACCESS_VIEW_DESC uav;
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} view_descs = {};
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ID3D12Resource *main_texture = nullptr;
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struct {
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D3D12_UNORDERED_ACCESS_VIEW_DESC main_uav_desc;
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struct {
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HashMap<DXGI_FORMAT, ComPtr<ID3D12Resource>> aliases; // Key is the DXGI format family.
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} owner_info = {};
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} aliasing_hack = {}; // [[CROSS_FAMILY_ALIASING]]
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UINT mapped_subresource = UINT_MAX;
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SelfList<TextureInfo> pending_clear{ this };
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};
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SelfList<TextureInfo>::List textures_pending_clear;
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HashMap<DXGI_FORMAT, uint32_t> format_sample_counts_mask_cache;
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uint32_t _find_max_common_supported_sample_count(VectorView<DXGI_FORMAT> p_formats);
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UINT _compute_component_mapping(const TextureView &p_view);
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UINT _compute_plane_slice(DataFormat p_format, BitField<TextureAspectBits> p_aspect_bits);
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UINT _compute_plane_slice(DataFormat p_format, TextureAspect p_aspect);
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struct CommandBufferInfo;
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void _discard_texture_subresources(const TextureInfo *p_tex_info, const CommandBufferInfo *p_cmd_buf_info);
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public:
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virtual TextureID texture_create(const TextureFormat &p_format, const TextureView &p_view) override final;
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virtual TextureID texture_create_from_extension(uint64_t p_native_texture, TextureType p_type, DataFormat p_format, uint32_t p_array_layers, bool p_depth_stencil) override final;
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virtual TextureID texture_create_shared(TextureID p_original_texture, const TextureView &p_view) override final;
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virtual TextureID texture_create_shared_from_slice(TextureID p_original_texture, const TextureView &p_view, TextureSliceType p_slice_type, uint32_t p_layer, uint32_t p_layers, uint32_t p_mipmap, uint32_t p_mipmaps) override final;
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virtual void texture_free(TextureID p_texture) override final;
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virtual uint64_t texture_get_allocation_size(TextureID p_texture) override final;
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virtual void texture_get_copyable_layout(TextureID p_texture, const TextureSubresource &p_subresource, TextureCopyableLayout *r_layout) override final;
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virtual uint8_t *texture_map(TextureID p_texture, const TextureSubresource &p_subresource) override final;
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virtual void texture_unmap(TextureID p_texture) override final;
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virtual BitField<TextureUsageBits> texture_get_usages_supported_by_format(DataFormat p_format, bool p_cpu_readable) override final;
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/*****************/
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/**** SAMPLER ****/
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/*****************/
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private:
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LocalVector<D3D12_SAMPLER_DESC> samplers;
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public:
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virtual SamplerID sampler_create(const SamplerState &p_state) final override;
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virtual void sampler_free(SamplerID p_sampler) final override;
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virtual bool sampler_is_format_supported_for_filter(DataFormat p_format, SamplerFilter p_filter) override final;
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/**********************/
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/**** VERTEX ARRAY ****/
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/**********************/
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private:
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struct VertexFormatInfo {
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TightLocalVector<D3D12_INPUT_ELEMENT_DESC> input_elem_descs;
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TightLocalVector<UINT> vertex_buffer_strides;
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};
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public:
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virtual VertexFormatID vertex_format_create(VectorView<VertexAttribute> p_vertex_attribs) override final;
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virtual void vertex_format_free(VertexFormatID p_vertex_format) override final;
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/******************/
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/**** BARRIERS ****/
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/******************/
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virtual void command_pipeline_barrier(
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CommandBufferID p_cmd_buffer,
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BitField<RDD::PipelineStageBits> p_src_stages,
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BitField<RDD::PipelineStageBits> p_dst_stages,
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VectorView<RDD::MemoryBarrier> p_memory_barriers,
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VectorView<RDD::BufferBarrier> p_buffer_barriers,
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VectorView<RDD::TextureBarrier> p_texture_barriers) override final;
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private:
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/****************/
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/**** FENCES ****/
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/****************/
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struct FenceInfo {
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ComPtr<ID3D12Fence> d3d_fence = nullptr;
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HANDLE event_handle = NULL;
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UINT64 fence_value = 0;
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};
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public:
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virtual FenceID fence_create() override;
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virtual Error fence_wait(FenceID p_fence) override;
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virtual void fence_free(FenceID p_fence) override;
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private:
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/********************/
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/**** SEMAPHORES ****/
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/********************/
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struct SemaphoreInfo {
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ComPtr<ID3D12Fence> d3d_fence = nullptr;
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UINT64 fence_value = 0;
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};
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virtual SemaphoreID semaphore_create() override;
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virtual void semaphore_free(SemaphoreID p_semaphore) override;
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/******************/
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/**** COMMANDS ****/
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/******************/
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// ----- QUEUE FAMILY -----
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virtual CommandQueueFamilyID command_queue_family_get(BitField<CommandQueueFamilyBits> p_cmd_queue_family_bits, RenderingContextDriver::SurfaceID p_surface = 0) override;
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private:
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// ----- QUEUE -----
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struct CommandQueueInfo {
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ComPtr<ID3D12CommandQueue> d3d_queue;
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};
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public:
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virtual CommandQueueID command_queue_create(CommandQueueFamilyID p_cmd_queue_family, bool p_identify_as_main_queue = false) override;
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virtual Error command_queue_execute_and_present(CommandQueueID p_cmd_queue, VectorView<SemaphoreID> p_wait_semaphores, VectorView<CommandBufferID> p_cmd_buffers, VectorView<SemaphoreID> p_cmd_semaphores, FenceID p_cmd_fence, VectorView<SwapChainID> p_swap_chains) override;
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virtual void command_queue_free(CommandQueueID p_cmd_queue) override;
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private:
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// ----- POOL -----
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struct CommandPoolInfo {
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CommandQueueFamilyID queue_family;
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CommandBufferType buffer_type = COMMAND_BUFFER_TYPE_PRIMARY;
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};
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public:
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virtual CommandPoolID command_pool_create(CommandQueueFamilyID p_cmd_queue_family, CommandBufferType p_cmd_buffer_type) override final;
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virtual void command_pool_free(CommandPoolID p_cmd_pool) override final;
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// ----- BUFFER -----
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private:
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// Belongs to RENDERING-SUBPASS, but needed here.
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struct FramebufferInfo;
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struct RenderPassInfo;
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struct RenderPassState {
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uint32_t current_subpass = UINT32_MAX;
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const FramebufferInfo *fb_info = nullptr;
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const RenderPassInfo *pass_info = nullptr;
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CD3DX12_RECT region_rect = {};
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bool region_is_all = false;
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const VertexFormatInfo *vf_info = nullptr;
|
|
D3D12_VERTEX_BUFFER_VIEW vertex_buffer_views[8] = {};
|
|
uint32_t vertex_buffer_count = 0;
|
|
};
|
|
|
|
// Leveraging knowledge of actual usage and D3D12 specifics (namely, command lists from the same allocator
|
|
// can't be freely begun and ended), an allocator per list works better.
|
|
struct CommandBufferInfo {
|
|
ComPtr<ID3D12CommandAllocator> cmd_allocator;
|
|
ComPtr<ID3D12GraphicsCommandList> cmd_list;
|
|
|
|
ID3D12PipelineState *graphics_pso = nullptr;
|
|
ID3D12PipelineState *compute_pso = nullptr;
|
|
|
|
uint32_t graphics_root_signature_crc = 0;
|
|
uint32_t compute_root_signature_crc = 0;
|
|
|
|
RenderPassState render_pass_state;
|
|
bool descriptor_heaps_set = false;
|
|
};
|
|
|
|
public:
|
|
virtual CommandBufferID command_buffer_create(CommandPoolID p_cmd_pool) override final;
|
|
virtual bool command_buffer_begin(CommandBufferID p_cmd_buffer) override final;
|
|
virtual bool command_buffer_begin_secondary(CommandBufferID p_cmd_buffer, RenderPassID p_render_pass, uint32_t p_subpass, FramebufferID p_framebuffer) override final;
|
|
virtual void command_buffer_end(CommandBufferID p_cmd_buffer) override final;
|
|
virtual void command_buffer_execute_secondary(CommandBufferID p_cmd_buffer, VectorView<CommandBufferID> p_secondary_cmd_buffers) override final;
|
|
|
|
private:
|
|
/********************/
|
|
/**** SWAP CHAIN ****/
|
|
/********************/
|
|
|
|
struct SwapChain {
|
|
ComPtr<IDXGISwapChain3> d3d_swap_chain;
|
|
RenderingContextDriver::SurfaceID surface = RenderingContextDriver::SurfaceID();
|
|
UINT present_flags = 0;
|
|
UINT sync_interval = 1;
|
|
UINT creation_flags = 0;
|
|
RenderPassID render_pass;
|
|
TightLocalVector<ID3D12Resource *> render_targets;
|
|
TightLocalVector<TextureInfo> render_targets_info;
|
|
TightLocalVector<FramebufferID> framebuffers;
|
|
RDD::DataFormat data_format = DATA_FORMAT_MAX;
|
|
};
|
|
|
|
void _swap_chain_release(SwapChain *p_swap_chain);
|
|
void _swap_chain_release_buffers(SwapChain *p_swap_chain);
|
|
|
|
public:
|
|
virtual SwapChainID swap_chain_create(RenderingContextDriver::SurfaceID p_surface) override;
|
|
virtual Error swap_chain_resize(CommandQueueID p_cmd_queue, SwapChainID p_swap_chain, uint32_t p_desired_framebuffer_count) override;
|
|
virtual FramebufferID swap_chain_acquire_framebuffer(CommandQueueID p_cmd_queue, SwapChainID p_swap_chain, bool &r_resize_required) override;
|
|
virtual RenderPassID swap_chain_get_render_pass(SwapChainID p_swap_chain) override;
|
|
virtual DataFormat swap_chain_get_format(SwapChainID p_swap_chain) override;
|
|
virtual void swap_chain_free(SwapChainID p_swap_chain) override;
|
|
|
|
/*********************/
|
|
/**** FRAMEBUFFER ****/
|
|
/*********************/
|
|
private:
|
|
struct FramebufferInfo {
|
|
bool is_screen = false;
|
|
Size2i size;
|
|
TightLocalVector<uint32_t> attachments_handle_inds; // RTV heap index for color; DSV heap index for DSV.
|
|
DescriptorsHeap rtv_heap;
|
|
DescriptorsHeap dsv_heap; // Used only if not for screen and some depth-stencil attachments.
|
|
|
|
TightLocalVector<TextureID> attachments; // Color and depth-stencil. Used if not screen.
|
|
TextureID vrs_attachment;
|
|
};
|
|
|
|
D3D12_RENDER_TARGET_VIEW_DESC _make_rtv_for_texture(const TextureInfo *p_texture_info, uint32_t p_mipmap_offset, uint32_t p_layer_offset, uint32_t p_layers, bool p_add_bases = true);
|
|
D3D12_UNORDERED_ACCESS_VIEW_DESC _make_ranged_uav_for_texture(const TextureInfo *p_texture_info, uint32_t p_mipmap_offset, uint32_t p_layer_offset, uint32_t p_layers, bool p_add_bases = true);
|
|
D3D12_DEPTH_STENCIL_VIEW_DESC _make_dsv_for_texture(const TextureInfo *p_texture_info);
|
|
|
|
FramebufferID _framebuffer_create(RenderPassID p_render_pass, VectorView<TextureID> p_attachments, uint32_t p_width, uint32_t p_height, bool p_is_screen);
|
|
|
|
public:
|
|
virtual FramebufferID framebuffer_create(RenderPassID p_render_pass, VectorView<TextureID> p_attachments, uint32_t p_width, uint32_t p_height) override final;
|
|
virtual void framebuffer_free(FramebufferID p_framebuffer) override final;
|
|
|
|
/****************/
|
|
/**** SHADER ****/
|
|
/****************/
|
|
private:
|
|
static const uint32_t ROOT_SIGNATURE_SIZE = 256;
|
|
static const uint32_t PUSH_CONSTANT_SIZE = 128; // Mimicking Vulkan.
|
|
|
|
enum {
|
|
// We can only aim to set a maximum here, since depending on the shader
|
|
// there may be more or less root signature free for descriptor tables.
|
|
// Therefore, we'll have to rely on the final check at runtime, when building
|
|
// the root signature structure for a given shader.
|
|
// To be precise, these may be present or not, and their size vary statically:
|
|
// - Push constant (we'll assume this is always present to avoid reserving much
|
|
// more space for descriptor sets than needed for almost any imaginable case,
|
|
// given that most shader templates feature push constants).
|
|
// - NIR-DXIL runtime data.
|
|
MAX_UNIFORM_SETS = (ROOT_SIGNATURE_SIZE - PUSH_CONSTANT_SIZE) / sizeof(uint32_t),
|
|
};
|
|
|
|
enum RootSignatureLocationType {
|
|
RS_LOC_TYPE_RESOURCE,
|
|
RS_LOC_TYPE_SAMPLER,
|
|
};
|
|
|
|
enum ResourceClass {
|
|
RES_CLASS_INVALID,
|
|
RES_CLASS_CBV,
|
|
RES_CLASS_SRV,
|
|
RES_CLASS_UAV,
|
|
};
|
|
|
|
struct ShaderBinary {
|
|
// Version 1: Initial.
|
|
// Version 2: 64-bit vertex input mask.
|
|
// Version 3: Added SC stage mask.
|
|
static const uint32_t VERSION = 3;
|
|
|
|
// Phase 1: SPIR-V reflection, where the Vulkan/RD interface of the shader is discovered.
|
|
// Phase 2: SPIR-V to DXIL translation, where the DXIL interface is discovered, which may have gaps due to optimizations.
|
|
|
|
struct DataBinding {
|
|
// - Phase 1.
|
|
uint32_t type = 0;
|
|
uint32_t binding = 0;
|
|
uint32_t stages = 0;
|
|
uint32_t length = 0; // Size of arrays (in total elements), or ubos (in bytes * total elements).
|
|
uint32_t writable = 0;
|
|
// - Phase 2.
|
|
uint32_t res_class = 0;
|
|
uint32_t has_sampler = 0;
|
|
uint32_t dxil_stages = 0;
|
|
struct RootSignatureLocation {
|
|
uint32_t root_param_idx = UINT32_MAX; // UINT32_MAX if unused.
|
|
uint32_t range_idx = UINT32_MAX; // UINT32_MAX if unused.
|
|
};
|
|
RootSignatureLocation root_sig_locations[2]; // Index is RootSignatureLocationType.
|
|
|
|
// We need to sort these to fill the root signature locations properly.
|
|
bool operator<(const DataBinding &p_other) const {
|
|
return binding < p_other.binding;
|
|
}
|
|
};
|
|
|
|
struct SpecializationConstant {
|
|
// - Phase 1.
|
|
uint32_t type = 0;
|
|
uint32_t constant_id = 0;
|
|
union {
|
|
uint32_t int_value = 0;
|
|
float float_value;
|
|
bool bool_value;
|
|
};
|
|
uint32_t stage_flags = 0;
|
|
// - Phase 2.
|
|
uint64_t stages_bit_offsets[D3D12_BITCODE_OFFSETS_NUM_STAGES] = {};
|
|
};
|
|
|
|
struct Data {
|
|
uint64_t vertex_input_mask = 0;
|
|
uint32_t fragment_output_mask = 0;
|
|
uint32_t specialization_constants_count = 0;
|
|
uint32_t spirv_specialization_constants_ids_mask = 0;
|
|
uint32_t is_compute = 0;
|
|
uint32_t compute_local_size[3] = {};
|
|
uint32_t set_count = 0;
|
|
uint32_t push_constant_size = 0;
|
|
uint32_t dxil_push_constant_stages = 0; // Phase 2.
|
|
uint32_t nir_runtime_data_root_param_idx = 0; // Phase 2.
|
|
uint32_t stage_count = 0;
|
|
uint32_t shader_name_len = 0;
|
|
uint32_t root_signature_len = 0;
|
|
uint32_t root_signature_crc = 0;
|
|
};
|
|
};
|
|
|
|
struct ShaderInfo {
|
|
uint32_t dxil_push_constant_size = 0;
|
|
uint32_t nir_runtime_data_root_param_idx = UINT32_MAX;
|
|
bool is_compute = false;
|
|
|
|
struct UniformBindingInfo {
|
|
uint32_t stages = 0; // Actual shader stages using the uniform (0 if totally optimized out).
|
|
ResourceClass res_class = RES_CLASS_INVALID;
|
|
UniformType type = UNIFORM_TYPE_MAX;
|
|
uint32_t length = UINT32_MAX;
|
|
#ifdef DEV_ENABLED
|
|
bool writable = false;
|
|
#endif
|
|
struct RootSignatureLocation {
|
|
uint32_t root_param_idx = UINT32_MAX;
|
|
uint32_t range_idx = UINT32_MAX;
|
|
};
|
|
struct {
|
|
RootSignatureLocation resource;
|
|
RootSignatureLocation sampler;
|
|
} root_sig_locations;
|
|
};
|
|
|
|
struct UniformSet {
|
|
TightLocalVector<UniformBindingInfo> bindings;
|
|
struct {
|
|
uint32_t resources = 0;
|
|
uint32_t samplers = 0;
|
|
} num_root_params;
|
|
};
|
|
|
|
TightLocalVector<UniformSet> sets;
|
|
|
|
struct SpecializationConstant {
|
|
uint32_t constant_id = UINT32_MAX;
|
|
uint32_t int_value = UINT32_MAX;
|
|
uint64_t stages_bit_offsets[D3D12_BITCODE_OFFSETS_NUM_STAGES] = {};
|
|
};
|
|
|
|
TightLocalVector<SpecializationConstant> specialization_constants;
|
|
uint32_t spirv_specialization_constants_ids_mask = 0;
|
|
|
|
HashMap<ShaderStage, Vector<uint8_t>> stages_bytecode;
|
|
|
|
ComPtr<ID3D12RootSignature> root_signature;
|
|
ComPtr<ID3D12RootSignatureDeserializer> root_signature_deserializer;
|
|
const D3D12_ROOT_SIGNATURE_DESC *root_signature_desc = nullptr; // Owned by the deserializer.
|
|
uint32_t root_signature_crc = 0;
|
|
};
|
|
|
|
Mutex dxil_mutex;
|
|
HashMap<int, dxil_validator *> dxil_validators; // One per WorkerThreadPool thread used for shader compilation, plus one (-1) for all the other.
|
|
|
|
dxil_validator *_get_dxil_validator_for_current_thread();
|
|
uint32_t _shader_patch_dxil_specialization_constant(
|
|
PipelineSpecializationConstantType p_type,
|
|
const void *p_value,
|
|
const uint64_t (&p_stages_bit_offsets)[D3D12_BITCODE_OFFSETS_NUM_STAGES],
|
|
HashMap<ShaderStage, Vector<uint8_t>> &r_stages_bytecodes,
|
|
bool p_is_first_patch);
|
|
bool _shader_apply_specialization_constants(
|
|
const ShaderInfo *p_shader_info,
|
|
VectorView<PipelineSpecializationConstant> p_specialization_constants,
|
|
HashMap<ShaderStage, Vector<uint8_t>> &r_final_stages_bytecode);
|
|
bool _shader_sign_dxil_bytecode(ShaderStage p_stage, Vector<uint8_t> &r_dxil_blob);
|
|
|
|
public:
|
|
virtual String shader_get_binary_cache_key() override final;
|
|
virtual Vector<uint8_t> shader_compile_binary_from_spirv(VectorView<ShaderStageSPIRVData> p_spirv, const String &p_shader_name) override final;
|
|
virtual ShaderID shader_create_from_bytecode(const Vector<uint8_t> &p_shader_binary, ShaderDescription &r_shader_desc, String &r_name) override final;
|
|
virtual uint32_t shader_get_layout_hash(ShaderID p_shader) override final;
|
|
virtual void shader_free(ShaderID p_shader) override final;
|
|
|
|
/*********************/
|
|
/**** UNIFORM SET ****/
|
|
/*********************/
|
|
|
|
private:
|
|
struct RootDescriptorTable {
|
|
uint32_t root_param_idx = UINT32_MAX;
|
|
D3D12_GPU_DESCRIPTOR_HANDLE start_gpu_handle = {};
|
|
};
|
|
|
|
struct UniformSetInfo {
|
|
struct {
|
|
DescriptorsHeap resources;
|
|
DescriptorsHeap samplers;
|
|
} desc_heaps;
|
|
|
|
struct StateRequirement {
|
|
ResourceInfo *resource = nullptr;
|
|
bool is_buffer = false;
|
|
D3D12_RESOURCE_STATES states = {};
|
|
uint64_t shader_uniform_idx_mask = 0;
|
|
};
|
|
TightLocalVector<StateRequirement> resource_states;
|
|
|
|
struct RecentBind {
|
|
uint64_t segment_serial = 0;
|
|
uint32_t root_signature_crc = 0;
|
|
struct {
|
|
TightLocalVector<RootDescriptorTable> resources;
|
|
TightLocalVector<RootDescriptorTable> samplers;
|
|
} root_tables;
|
|
int uses = 0;
|
|
} recent_binds[4]; // A better amount may be empirically found.
|
|
|
|
#ifdef DEV_ENABLED
|
|
// Filthy, but useful for dev.
|
|
struct ResourceDescInfo {
|
|
D3D12_DESCRIPTOR_RANGE_TYPE type;
|
|
D3D12_SRV_DIMENSION srv_dimension;
|
|
};
|
|
TightLocalVector<ResourceDescInfo> resources_desc_info;
|
|
#endif
|
|
};
|
|
|
|
public:
|
|
virtual UniformSetID uniform_set_create(VectorView<BoundUniform> p_uniforms, ShaderID p_shader, uint32_t p_set_index) override final;
|
|
virtual void uniform_set_free(UniformSetID p_uniform_set) override final;
|
|
|
|
// ----- COMMANDS -----
|
|
|
|
virtual void command_uniform_set_prepare_for_use(CommandBufferID p_cmd_buffer, UniformSetID p_uniform_set, ShaderID p_shader, uint32_t p_set_index) override final;
|
|
|
|
private:
|
|
void _command_check_descriptor_sets(CommandBufferID p_cmd_buffer);
|
|
void _command_bind_uniform_set(CommandBufferID p_cmd_buffer, UniformSetID p_uniform_set, ShaderID p_shader, uint32_t p_set_index, bool p_for_compute);
|
|
|
|
public:
|
|
/******************/
|
|
/**** TRANSFER ****/
|
|
/******************/
|
|
|
|
virtual void command_clear_buffer(CommandBufferID p_cmd_buffer, BufferID p_buffer, uint64_t p_offset, uint64_t p_size) override final;
|
|
virtual void command_copy_buffer(CommandBufferID p_cmd_buffer, BufferID p_src_buffer, BufferID p_dst_buffer, VectorView<BufferCopyRegion> p_regions) override final;
|
|
|
|
virtual void command_copy_texture(CommandBufferID p_cmd_buffer, TextureID p_src_texture, TextureLayout p_src_texture_layout, TextureID p_dst_texture, TextureLayout p_dst_texture_layout, VectorView<TextureCopyRegion> p_regions) override final;
|
|
virtual void command_resolve_texture(CommandBufferID p_cmd_buffer, TextureID p_src_texture, TextureLayout p_src_texture_layout, uint32_t p_src_layer, uint32_t p_src_mipmap, TextureID p_dst_texture, TextureLayout p_dst_texture_layout, uint32_t p_dst_layer, uint32_t p_dst_mipmap) override final;
|
|
virtual void command_clear_color_texture(CommandBufferID p_cmd_buffer, TextureID p_texture, TextureLayout p_texture_layout, const Color &p_color, const TextureSubresourceRange &p_subresources) override final;
|
|
|
|
public:
|
|
virtual void command_copy_buffer_to_texture(CommandBufferID p_cmd_buffer, BufferID p_src_buffer, TextureID p_dst_texture, TextureLayout p_dst_texture_layout, VectorView<BufferTextureCopyRegion> p_regions) override final;
|
|
virtual void command_copy_texture_to_buffer(CommandBufferID p_cmd_buffer, TextureID p_src_texture, TextureLayout p_src_texture_layout, BufferID p_dst_buffer, VectorView<BufferTextureCopyRegion> p_regions) override final;
|
|
|
|
/******************/
|
|
/**** PIPELINE ****/
|
|
/******************/
|
|
|
|
virtual void pipeline_free(PipelineID p_pipeline) override final;
|
|
|
|
private:
|
|
HashMap<ID3D12PipelineState *, const ShaderInfo *> pipelines_shaders;
|
|
|
|
public:
|
|
// ----- BINDING -----
|
|
|
|
virtual void command_bind_push_constants(CommandBufferID p_cmd_buffer, ShaderID p_shader, uint32_t p_dst_first_index, VectorView<uint32_t> p_data) override final;
|
|
|
|
// ----- CACHE -----
|
|
|
|
virtual bool pipeline_cache_create(const Vector<uint8_t> &p_data) override final;
|
|
virtual void pipeline_cache_free() override final;
|
|
virtual size_t pipeline_cache_query_size() override final;
|
|
virtual Vector<uint8_t> pipeline_cache_serialize() override final;
|
|
|
|
/*******************/
|
|
/**** RENDERING ****/
|
|
/*******************/
|
|
|
|
// ----- SUBPASS -----
|
|
|
|
private:
|
|
struct RenderPassInfo {
|
|
TightLocalVector<Attachment> attachments;
|
|
TightLocalVector<Subpass> subpasses;
|
|
uint32_t view_count = 0;
|
|
uint32_t max_supported_sample_count = 0;
|
|
};
|
|
|
|
public:
|
|
virtual RenderPassID render_pass_create(VectorView<Attachment> p_attachments, VectorView<Subpass> p_subpasses, VectorView<SubpassDependency> p_subpass_dependencies, uint32_t p_view_count) override final;
|
|
virtual void render_pass_free(RenderPassID p_render_pass) override final;
|
|
|
|
// ----- COMMANDS -----
|
|
|
|
virtual void command_begin_render_pass(CommandBufferID p_cmd_buffer, RenderPassID p_render_pass, FramebufferID p_framebuffer, CommandBufferType p_cmd_buffer_type, const Rect2i &p_rect, VectorView<RenderPassClearValue> p_clear_values) override final;
|
|
|
|
private:
|
|
void _end_render_pass(CommandBufferID p_cmd_buffer);
|
|
|
|
public:
|
|
virtual void command_end_render_pass(CommandBufferID p_cmd_buffer) override final;
|
|
virtual void command_next_render_subpass(CommandBufferID p_cmd_buffer, CommandBufferType p_cmd_buffer_type) override final;
|
|
virtual void command_render_set_viewport(CommandBufferID p_cmd_buffer, VectorView<Rect2i> p_viewports) override final;
|
|
virtual void command_render_set_scissor(CommandBufferID p_cmd_buffer, VectorView<Rect2i> p_scissors) override final;
|
|
|
|
virtual void command_render_clear_attachments(CommandBufferID p_cmd_buffer, VectorView<AttachmentClear> p_attachment_clears, VectorView<Rect2i> p_rects) override final;
|
|
|
|
// Binding.
|
|
virtual void command_bind_render_pipeline(CommandBufferID p_cmd_buffer, PipelineID p_pipeline) override final;
|
|
virtual void command_bind_render_uniform_set(CommandBufferID p_cmd_buffer, UniformSetID p_uniform_set, ShaderID p_shader, uint32_t p_set_index) override final;
|
|
|
|
// Drawing.
|
|
virtual void command_render_draw(CommandBufferID p_cmd_buffer, uint32_t p_vertex_count, uint32_t p_instance_count, uint32_t p_base_vertex, uint32_t p_first_instance) override final;
|
|
virtual void command_render_draw_indexed(CommandBufferID p_cmd_buffer, uint32_t p_index_count, uint32_t p_instance_count, uint32_t p_first_index, int32_t p_vertex_offset, uint32_t p_first_instance) override final;
|
|
virtual void command_render_draw_indexed_indirect(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset, uint32_t p_draw_count, uint32_t p_stride) override final;
|
|
virtual void command_render_draw_indexed_indirect_count(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset, BufferID p_count_buffer, uint64_t p_count_buffer_offset, uint32_t p_max_draw_count, uint32_t p_stride) override final;
|
|
virtual void command_render_draw_indirect(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset, uint32_t p_draw_count, uint32_t p_stride) override final;
|
|
virtual void command_render_draw_indirect_count(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset, BufferID p_count_buffer, uint64_t p_count_buffer_offset, uint32_t p_max_draw_count, uint32_t p_stride) override final;
|
|
|
|
// Buffer binding.
|
|
virtual void command_render_bind_vertex_buffers(CommandBufferID p_cmd_buffer, uint32_t p_binding_count, const BufferID *p_buffers, const uint64_t *p_offsets) override final;
|
|
virtual void command_render_bind_index_buffer(CommandBufferID p_cmd_buffer, BufferID p_buffer, IndexBufferFormat p_format, uint64_t p_offset) override final;
|
|
|
|
private:
|
|
void _bind_vertex_buffers(CommandBufferInfo *p_cmd_buf_info);
|
|
|
|
public:
|
|
// Dynamic state.
|
|
virtual void command_render_set_blend_constants(CommandBufferID p_cmd_buffer, const Color &p_constants) override final;
|
|
virtual void command_render_set_line_width(CommandBufferID p_cmd_buffer, float p_width) override final;
|
|
|
|
// ----- PIPELINE -----
|
|
|
|
private:
|
|
struct RenderPipelineExtraInfo {
|
|
struct {
|
|
D3D12_PRIMITIVE_TOPOLOGY primitive_topology = {};
|
|
Color blend_constant;
|
|
float depth_bounds_min = 0.0f;
|
|
float depth_bounds_max = 0.0f;
|
|
uint32_t stencil_reference = 0;
|
|
} dyn_params;
|
|
|
|
const VertexFormatInfo *vf_info = nullptr;
|
|
};
|
|
HashMap<ID3D12PipelineState *, RenderPipelineExtraInfo> render_psos_extra_info;
|
|
|
|
public:
|
|
virtual PipelineID render_pipeline_create(
|
|
ShaderID p_shader,
|
|
VertexFormatID p_vertex_format,
|
|
RenderPrimitive p_render_primitive,
|
|
PipelineRasterizationState p_rasterization_state,
|
|
PipelineMultisampleState p_multisample_state,
|
|
PipelineDepthStencilState p_depth_stencil_state,
|
|
PipelineColorBlendState p_blend_state,
|
|
VectorView<int32_t> p_color_attachments,
|
|
BitField<PipelineDynamicStateFlags> p_dynamic_state,
|
|
RenderPassID p_render_pass,
|
|
uint32_t p_render_subpass,
|
|
VectorView<PipelineSpecializationConstant> p_specialization_constants) override final;
|
|
|
|
/*****************/
|
|
/**** COMPUTE ****/
|
|
/*****************/
|
|
|
|
// ----- COMMANDS -----
|
|
|
|
// Binding.
|
|
virtual void command_bind_compute_pipeline(CommandBufferID p_cmd_buffer, PipelineID p_pipeline) override final;
|
|
virtual void command_bind_compute_uniform_set(CommandBufferID p_cmd_buffer, UniformSetID p_uniform_set, ShaderID p_shader, uint32_t p_set_index) override final;
|
|
|
|
// Dispatching.
|
|
virtual void command_compute_dispatch(CommandBufferID p_cmd_buffer, uint32_t p_x_groups, uint32_t p_y_groups, uint32_t p_z_groups) override final;
|
|
virtual void command_compute_dispatch_indirect(CommandBufferID p_cmd_buffer, BufferID p_indirect_buffer, uint64_t p_offset) override final;
|
|
|
|
// ----- PIPELINE -----
|
|
|
|
virtual PipelineID compute_pipeline_create(ShaderID p_shader, VectorView<PipelineSpecializationConstant> p_specialization_constants) override final;
|
|
|
|
/*****************/
|
|
/**** QUERIES ****/
|
|
/*****************/
|
|
|
|
// ----- TIMESTAMP -----
|
|
|
|
private:
|
|
struct TimestampQueryPoolInfo {
|
|
ComPtr<ID3D12QueryHeap> query_heap;
|
|
uint32_t query_count = 0;
|
|
ComPtr<D3D12MA::Allocation> results_buffer_allocation;
|
|
};
|
|
|
|
public:
|
|
// Basic.
|
|
virtual QueryPoolID timestamp_query_pool_create(uint32_t p_query_count) override final;
|
|
virtual void timestamp_query_pool_free(QueryPoolID p_pool_id) override final;
|
|
virtual void timestamp_query_pool_get_results(QueryPoolID p_pool_id, uint32_t p_query_count, uint64_t *r_results) override final;
|
|
virtual uint64_t timestamp_query_result_to_time(uint64_t p_result) override final;
|
|
|
|
// Commands.
|
|
virtual void command_timestamp_query_pool_reset(CommandBufferID p_cmd_buffer, QueryPoolID p_pool_id, uint32_t p_query_count) override final;
|
|
virtual void command_timestamp_write(CommandBufferID p_cmd_buffer, QueryPoolID p_pool_id, uint32_t p_index) override final;
|
|
|
|
/****************/
|
|
/**** LABELS ****/
|
|
/****************/
|
|
|
|
virtual void command_begin_label(CommandBufferID p_cmd_buffer, const char *p_label_name, const Color &p_color) override final;
|
|
virtual void command_end_label(CommandBufferID p_cmd_buffer) override final;
|
|
|
|
/********************/
|
|
/**** SUBMISSION ****/
|
|
/********************/
|
|
private:
|
|
struct FrameInfo {
|
|
struct {
|
|
DescriptorsHeap resources;
|
|
DescriptorsHeap samplers;
|
|
DescriptorsHeap aux;
|
|
DescriptorsHeap rtv;
|
|
} desc_heaps;
|
|
struct {
|
|
DescriptorsHeap::Walker resources;
|
|
DescriptorsHeap::Walker samplers;
|
|
DescriptorsHeap::Walker aux;
|
|
DescriptorsHeap::Walker rtv;
|
|
} desc_heap_walkers;
|
|
struct {
|
|
bool resources = false;
|
|
bool samplers = false;
|
|
bool aux = false;
|
|
bool rtv = false;
|
|
} desc_heaps_exhausted_reported;
|
|
CD3DX12_CPU_DESCRIPTOR_HANDLE null_rtv_handle = {}; // For [[MANUAL_SUBPASSES]].
|
|
ComPtr<D3D12MA::Allocation> aux_resource;
|
|
uint32_t segment_serial = 0;
|
|
|
|
#ifdef DEV_ENABLED
|
|
uint32_t uniform_set_reused = 0;
|
|
#endif
|
|
};
|
|
TightLocalVector<FrameInfo> frames;
|
|
uint32_t frame_idx = 0;
|
|
uint32_t frames_drawn = 0;
|
|
uint32_t segment_serial = 0;
|
|
bool segment_begun = false;
|
|
|
|
public:
|
|
virtual void begin_segment(uint32_t p_frame_index, uint32_t p_frames_drawn) override final;
|
|
virtual void end_segment() override final;
|
|
|
|
/**************/
|
|
/**** MISC ****/
|
|
/**************/
|
|
|
|
virtual void set_object_name(ObjectType p_type, ID p_driver_id, const String &p_name) override final;
|
|
virtual uint64_t get_resource_native_handle(DriverResource p_type, ID p_driver_id) override final;
|
|
virtual uint64_t get_total_memory_used() override final;
|
|
virtual uint64_t limit_get(Limit p_limit) override final;
|
|
virtual uint64_t api_trait_get(ApiTrait p_trait) override final;
|
|
virtual bool has_feature(Features p_feature) override final;
|
|
virtual const MultiviewCapabilities &get_multiview_capabilities() override final;
|
|
virtual String get_api_name() const override final;
|
|
virtual String get_api_version() const override final;
|
|
virtual String get_pipeline_cache_uuid() const override final;
|
|
virtual const Capabilities &get_capabilities() const override final;
|
|
|
|
static bool is_in_developer_mode();
|
|
|
|
private:
|
|
/*********************/
|
|
/**** BOOKKEEPING ****/
|
|
/*********************/
|
|
|
|
using VersatileResource = VersatileResourceTemplate<
|
|
BufferInfo,
|
|
TextureInfo,
|
|
TextureInfo,
|
|
TextureInfo,
|
|
VertexFormatInfo,
|
|
CommandBufferInfo,
|
|
FramebufferInfo,
|
|
ShaderInfo,
|
|
UniformSetInfo,
|
|
RenderPassInfo,
|
|
TimestampQueryPoolInfo>;
|
|
PagedAllocator<VersatileResource> resources_allocator;
|
|
|
|
/******************/
|
|
|
|
public:
|
|
RenderingDeviceDriverD3D12(RenderingContextDriverD3D12 *p_context_driver);
|
|
virtual ~RenderingDeviceDriverD3D12();
|
|
};
|
|
|
|
#endif // RENDERING_DEVICE_DRIVER_D3D12_H
|