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/*
* Copyright (c) 2014-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef APP_D3D12_CTX_H
#define APP_D3D12_CTX_H
#include "../d3d/appGraphCtx.h"
#include "NvCoDx12Resource.h"
#include "NvCoDx12Handle.h"
struct IDXGISwapChain3;
struct AppGraphProfilerD3D12;
struct AppDescriptorReserveHandleD3D12
{
ID3D12DescriptorHeap* heap;
UINT descriptorSize;
D3D12_CPU_DESCRIPTOR_HANDLE cpuHandle;
D3D12_GPU_DESCRIPTOR_HANDLE gpuHandle;
};
struct AppDynamicDescriptorHeapD3D12
{
ID3D12Device* m_device = nullptr;
ID3D12DescriptorHeap* m_heap = nullptr;
UINT m_descriptorSize = 0u;
UINT m_startSlot = 0u;
UINT m_heapSize = 0u;
void init(ID3D12Device* device, D3D12_DESCRIPTOR_HEAP_TYPE heapType, UINT minHeapSize);
void release();
AppDescriptorReserveHandleD3D12 reserveDescriptors(UINT numDescriptors, UINT64 lastFenceCompleted, UINT64 nextFenceValue);
AppDynamicDescriptorHeapD3D12() {}
~AppDynamicDescriptorHeapD3D12() { release(); }
};
struct AppGraphCtxD3D12
{
HWND m_hWnd = nullptr;
int m_winW = 0;
int m_winH = 0;
bool m_fullscreen = false;
bool m_valid = false;
size_t m_dedicatedVideoMemory = 0u;
// D3D12 non-replicated objects
D3D12_VIEWPORT m_viewport = {};
D3D12_RECT m_scissorRect = {};
ID3D12Device* m_device = nullptr;
ID3D12CommandQueue* m_commandQueue = nullptr;
// D3D12 render target pipeline
static const UINT m_renderTargetCount = 6u;
UINT m_renderTargetIndex = 0u;
UINT64 m_renderTargetID = 0u;
IDXGISwapChain3* m_swapChain = nullptr;
HANDLE m_swapChainWaitableObject = nullptr;
ID3D12DescriptorHeap* m_rtvHeap = nullptr;
UINT m_rtvDescriptorSize = 0u;
nvidia::Common::Dx12Resource m_backBuffers[m_renderTargetCount];
nvidia::Common::Dx12Resource m_renderTargetResources[m_renderTargetCount];
nvidia::Common::Dx12Resource* m_renderTargets[m_renderTargetCount];
ID3D12Resource* m_depthStencil = nullptr;
ID3D12DescriptorHeap* m_dsvHeap = nullptr;
ID3D12DescriptorHeap* m_depthSrvHeap = nullptr;
// D3D12 frame pipeline objects
static const UINT m_frameCount = 8u;
UINT m_frameIndex = 0u;
UINT64 m_frameID = 0u;
ID3D12CommandAllocator* m_commandAllocators[m_frameCount];
// D3D12 synchronization objects
ID3D12Fence* m_fence = nullptr;
HANDLE m_fenceEvent = 0u;
UINT64 m_fenceValues[m_frameCount];
// fence values for library synchronization
UINT64 m_lastFenceComplete = 1u;
UINT64 m_thisFrameFenceID = 2u;
// D3D12 per asset objects
ID3D12GraphicsCommandList* m_commandList = nullptr;
UINT m_commandListOpenCount = 0;
ID3D12Resource* m_current_renderTarget = nullptr;
D3D12_CPU_DESCRIPTOR_HANDLE m_current_rtvHandle;
D3D12_RENDER_TARGET_VIEW_DESC m_current_rtvDesc;
D3D12_CPU_DESCRIPTOR_HANDLE m_current_dsvHandle;
D3D12_DEPTH_STENCIL_VIEW_DESC m_current_dsvDesc;
D3D12_CPU_DESCRIPTOR_HANDLE m_current_depth_srvHandle;
D3D12_SHADER_RESOURCE_VIEW_DESC m_current_depth_srvDesc;
DXGI_FORMAT m_rtv_format = DXGI_FORMAT_R8G8B8A8_UNORM;
DXGI_FORMAT m_dsv_format = DXGI_FORMAT_D32_FLOAT;
DXGI_FORMAT m_depth_srv_format = DXGI_FORMAT_R32_FLOAT;
DXGI_FORMAT m_depth_format = DXGI_FORMAT_R32_TYPELESS;
UINT m_numMsaaSamples = 1;
nvidia::Common::Dx12TargetInfo m_targetInfo;
AppDynamicDescriptorHeapD3D12 m_dynamicHeapCbvSrvUav;
AppGraphProfilerD3D12* m_profiler = nullptr;
AppGraphCtxD3D12();
~AppGraphCtxD3D12();
};
inline AppGraphCtxD3D12* cast_to_AppGraphCtxD3D12(AppGraphCtx* appctx)
{
return (AppGraphCtxD3D12*)(appctx);
}
inline AppGraphCtx* cast_from_AppGraphCtxD3D12(AppGraphCtxD3D12* appctx)
{
return (AppGraphCtx*)(appctx);
}
APP_GRAPH_CTX_API AppGraphCtx* AppGraphCtxCreateD3D12(int deviceID);
APP_GRAPH_CTX_API bool AppGraphCtxUpdateSizeD3D12(AppGraphCtx* context, SDL_Window* window, bool fullscreen, int numMSAASamples);
APP_GRAPH_CTX_API void AppGraphCtxReleaseRenderTargetD3D12(AppGraphCtx* context);
APP_GRAPH_CTX_API void AppGraphCtxReleaseD3D12(AppGraphCtx* context);
APP_GRAPH_CTX_API void AppGraphCtxFrameStartD3D12(AppGraphCtx* context, AppGraphColor clearColor);
APP_GRAPH_CTX_API void AppGraphCtxFramePresentD3D12(AppGraphCtx* context, bool fullsync);
APP_GRAPH_CTX_API void AppGraphCtxWaitForFramesD3D12(AppGraphCtx* context, unsigned int maxFramesInFlight);
APP_GRAPH_CTX_API void AppGraphCtxProfileEnableD3D12(AppGraphCtx* context, bool enabled);
APP_GRAPH_CTX_API void AppGraphCtxProfileBeginD3D12(AppGraphCtx* context, const char* label);
APP_GRAPH_CTX_API void AppGraphCtxProfileEndD3D12(AppGraphCtx* context, const char* label);
APP_GRAPH_CTX_API bool AppGraphCtxProfileGetD3D12(AppGraphCtx* context, const char** plabel, float* cpuTime, float* gpuTime, int index);
APP_GRAPH_CTX_API size_t AppGraphCtxDedicatedVideoMemoryD3D12(AppGraphCtx* context);
APP_GRAPH_CTX_API void AppGraphCtxBeginGpuWork(AppGraphCtxD3D12* context);
APP_GRAPH_CTX_API void AppGraphCtxEndGpuWork(AppGraphCtxD3D12* context);
APP_GRAPH_CTX_API void AppGraphCtxPrepareRenderTarget(AppGraphCtxD3D12* context);
APP_GRAPH_CTX_API void AppGraphCtxWaitForGPU(AppGraphCtxD3D12* context);
/// ScopeGpuWork is used to handle gpu work that must be synchronized with the CPU.
/// It is guaranteed when scope is released the CPU and GPU will sync. NOTE! This means
/// you don't want to do this as part of render/update unless you have to because it will be slow.
struct ScopeGpuWork
{
inline ScopeGpuWork(AppGraphCtxD3D12* context) :
m_context(context)
{
AppGraphCtxBeginGpuWork(context);
}
inline ~ScopeGpuWork()
{
AppGraphCtxEndGpuWork(m_context);
}
private:
AppGraphCtxD3D12* m_context;
};
#endif
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