/**************************************************************************/ /* d3d12_context.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #ifndef D3D12_CONTEXT_H #define D3D12_CONTEXT_H #include "core/error/error_list.h" #include "core/os/mutex.h" #include "core/string/ustring.h" #include "core/templates/rid_owner.h" #include "rendering_device_driver_d3d12.h" #include "servers/display_server.h" #include "servers/rendering/renderer_rd/api_context_rd.h" #if defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnon-virtual-dtor" #pragma GCC diagnostic ignored "-Wshadow" #pragma GCC diagnostic ignored "-Wswitch" #pragma GCC diagnostic ignored "-Wmissing-field-initializers" #pragma GCC diagnostic ignored "-Wimplicit-fallthrough" #endif #if defined(AS) #undef AS #endif #include "d3dx12.h" #include #include #if defined(__GNUC__) && !defined(__clang__) #pragma GCC diagnostic pop #endif using Microsoft::WRL::ComPtr; #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) class D3D12Context : public ApiContextRD { public: struct DeviceLimits { uint64_t max_srvs_per_shader_stage; uint64_t max_cbvs_per_shader_stage; uint64_t max_samplers_across_all_stages; uint64_t max_uavs_across_all_stages; uint64_t timestamp_frequency; }; struct SubgroupCapabilities { uint32_t size; bool wave_ops_supported; uint32_t supported_stages_flags_rd() const; uint32_t supported_operations_flags_rd() const; }; struct VRSCapabilities { bool draw_call_supported; // We can specify our fragment rate on a draw call level. bool primitive_supported; // We can specify our fragment rate on each drawcall. bool primitive_in_multiviewport; bool ss_image_supported; // We can provide a density map attachment on our framebuffer. uint32_t ss_image_tile_size; bool additional_rates_supported; }; struct ShaderCapabilities { D3D_SHADER_MODEL shader_model; bool native_16bit_ops; }; struct StorageBufferCapabilities { bool storage_buffer_16_bit_access_is_supported; }; struct FormatCapabilities { bool relaxed_casting_supported; }; private: enum { FRAME_LAG = 2, IMAGE_COUNT = FRAME_LAG + 1, }; ComPtr device_factory; ComPtr dxgi_factory; ComPtr gpu; DeviceLimits gpu_limits = {}; struct DeviceBasics { ComPtr device; ComPtr queue; ComPtr fence; HANDLE fence_event = nullptr; UINT64 fence_value = 0; RenderingDeviceDriverD3D12 *driver = nullptr; } md; // 'Main device', as opposed to local device. uint32_t feature_level = 0; // Major * 10 + minor. bool tearing_supported = false; SubgroupCapabilities subgroup_capabilities; RDD::MultiviewCapabilities multiview_capabilities; VRSCapabilities vrs_capabilities; ShaderCapabilities shader_capabilities; StorageBufferCapabilities storage_buffer_capabilities; FormatCapabilities format_capabilities; String adapter_vendor; String adapter_name; RenderingDevice::DeviceType adapter_type = {}; String pipeline_cache_id; bool buffers_prepared = false; DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN; uint32_t frame = 0; ComPtr frame_fence; HANDLE frame_fence_event = nullptr; struct Window { HWND hwnd = nullptr; ComPtr swapchain; UINT swapchain_flags = 0; UINT sync_interval = 1; UINT present_flags = 0; ComPtr render_targets[IMAGE_COUNT]; uint32_t current_buffer = 0; int width = 0; int height = 0; DisplayServer::VSyncMode vsync_mode = DisplayServer::VSYNC_ENABLED; RenderingDeviceDriverD3D12::RenderPassInfo render_pass; RenderingDeviceDriverD3D12::FramebufferInfo framebuffers[IMAGE_COUNT]; }; struct LocalDevice : public DeviceBasics { bool waiting = false; HANDLE fence_event = nullptr; UINT64 fence_value = 0; }; RID_Owner local_device_owner; HashMap windows; // Commands. LocalVector command_list_queue; uint32_t command_list_count = 1; static void _debug_message_func( D3D12_MESSAGE_CATEGORY p_category, D3D12_MESSAGE_SEVERITY p_severity, D3D12_MESSAGE_ID p_id, LPCSTR p_description, void *p_context); Error _initialize_debug_layers(); void _init_device_factory(); Error _select_adapter(int &r_index); void _dump_adapter_info(int p_index); Error _create_device(DeviceBasics &r_basics); Error _get_device_limits(); Error _check_capabilities(); Error _update_swap_chain(Window *window); void _wait_for_idle_queue(ID3D12CommandQueue *p_queue); protected: virtual bool _use_validation_layers(); public: virtual const char *get_api_name() const override final { return "D3D12"; }; virtual RenderingDevice::Capabilities get_device_capabilities() const override final; const SubgroupCapabilities &get_subgroup_capabilities() const { return subgroup_capabilities; }; virtual const RDD::MultiviewCapabilities &get_multiview_capabilities() const override final { return multiview_capabilities; }; const VRSCapabilities &get_vrs_capabilities() const { return vrs_capabilities; }; const ShaderCapabilities &get_shader_capabilities() const { return shader_capabilities; }; const StorageBufferCapabilities &get_storage_buffer_capabilities() const { return storage_buffer_capabilities; }; const FormatCapabilities &get_format_capabilities() const { return format_capabilities; }; ID3D12Device *get_device(); IDXGIAdapter *get_adapter(); virtual int get_swapchain_image_count() const override final; struct WindowPlatformData { HWND window; }; virtual Error window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height, const void *p_platform_data) override final; virtual void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) override final; virtual int window_get_width(DisplayServer::WindowID p_window = 0) override final; virtual int window_get_height(DisplayServer::WindowID p_window = 0) override final; virtual bool window_is_valid_swapchain(DisplayServer::WindowID p_window = 0) override final; virtual void window_destroy(DisplayServer::WindowID p_window_id) override final; virtual RDD::RenderPassID window_get_render_pass(DisplayServer::WindowID p_window = 0) override final; virtual RDD::FramebufferID window_get_framebuffer(DisplayServer::WindowID p_window = 0) override final; virtual RID local_device_create() override final; virtual void local_device_push_command_buffers(RID p_local_device, const RDD::CommandBufferID *p_buffers, int p_count) override final; virtual void local_device_sync(RID p_local_device) override final; virtual void local_device_free(RID p_local_device) override final; DXGI_FORMAT get_screen_format() const; const DeviceLimits &get_device_limits() const; virtual void set_setup_buffer(RDD::CommandBufferID p_command_buffer) override final; virtual void append_command_buffer(RDD::CommandBufferID p_command_buffer) override final; void resize_notify(); virtual void flush(bool p_flush_setup = false, bool p_flush_pending = false, bool p_sync = true) override final; virtual Error prepare_buffers(RDD::CommandBufferID p_command_buffer) override final; virtual void postpare_buffers(RDD::CommandBufferID p_command_buffer) override final; virtual Error swap_buffers() override final; virtual Error initialize() override final; virtual void command_begin_label(RDD::CommandBufferID p_command_buffer, String p_label_name, const Color &p_color) override final; virtual void command_insert_label(RDD::CommandBufferID p_command_buffer, String p_label_name, const Color &p_color) override final; virtual void command_end_label(RDD::CommandBufferID p_command_buffer) override final; void set_object_name(ID3D12Object *p_object, String p_object_name); virtual String get_device_vendor_name() const override final; virtual String get_device_name() const override final; virtual RDD::DeviceType get_device_type() const override final; virtual String get_device_api_version() const override final; virtual String get_device_pipeline_cache_uuid() const override final; virtual void set_vsync_mode(DisplayServer::WindowID p_window, DisplayServer::VSyncMode p_mode) override final; virtual DisplayServer::VSyncMode get_vsync_mode(DisplayServer::WindowID p_window = 0) const override final; virtual RenderingDeviceDriver *get_driver(RID p_local_device = RID()) override final; D3D12Context(); virtual ~D3D12Context(); }; #endif // D3D12_CONTEXT_H