接受develop分支的所有修改

1-D3D12Triangle/1-D3D12Trigger.cpp

+#include <SDKDDKVer.h>
+#define WIN32_LEAN_AND_MEAN // 从 Windows 头中排除极少使用的资料
+#include <windows.h>
+#include <tchar.h>
+#include <wrl.h>  //添加WTL支持 方便使用COM
+#include <strsafe.h>
+#include <dxgi1_6.h>
+#include <DirectXMath.h>
+#include <d3d12.h>	//for d3d12
+#include <d3d12shader.h>
+#include <d3dcompiler.h>
+#if defined(_DEBUG)
+#include <dxgidebug.h>
+#endif
+
+using namespace Microsoft;
+using namespace Microsoft::WRL;
+using namespace DirectX;
+
+//linker
+#pragma comment(lib, "dxguid.lib")
+#pragma comment(lib, "dxgi.lib")
+#pragma comment(lib, "d3d12.lib")
+#pragma comment(lib, "d3dcompiler.lib")
+
+#define GRS_WND_CLASS_NAME _T("GRS Game Window Class")
+#define GRS_WND_TITLE	_T("GRS DirectX12 Trigger Sample")
+
+#define GRS_THROW_IF_FAILED(hr) if (FAILED(hr)){ throw CGRSCOMException(hr); }
+
+class CGRSCOMException
+{
+public:
+	CGRSCOMException(HRESULT hr) : m_hrError(hr)
+	{
+	}
+	HRESULT Error() const
+	{
+		return m_hrError;
+	}
+private:
+	const HRESULT m_hrError;
+};
+
+struct GRS_VERTEX
+{
+	XMFLOAT4 m_vtPos;
+	XMFLOAT4 m_vtColor;
+};
+
+LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
+
+int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR    lpCmdLine, int nCmdShow)
+{
+	const UINT							nFrameBackBufCount = 3u;
+
+	int									iWidth = 1024;
+	int									iHeight = 768;
+	UINT								nFrameIndex = 0;
+
+	DXGI_FORMAT							emRenderTargetFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
+	const float							faClearColor[] = { 0.0f, 0.2f, 0.4f, 1.0f };
+	UINT								nDXGIFactoryFlags = 0U;
+	UINT								nRTVDescriptorSize = 0U;
+
+	HWND								hWnd = nullptr;
+	MSG									msg = {};
+	TCHAR								pszAppPath[MAX_PATH] = {};
+
+	float								fTrangleSize = 3.0f;
+
+	D3D12_VERTEX_BUFFER_VIEW			stVertexBufferView = {};
+
+	UINT64								n64FenceValue = 0ui64;
+	HANDLE								hFenceEvent = nullptr;
+
+	D3D12_VIEWPORT						stViewPort = { 0.0f, 0.0f
+		, static_cast<float>(iWidth), static_cast<float>(iHeight), D3D12_MIN_DEPTH, D3D12_MAX_DEPTH };
+	D3D12_RECT							stScissorRect = { 0, 0
+		, static_cast<LONG>(iWidth), static_cast<LONG>(iHeight) };
+	
+	D3D_FEATURE_LEVEL					emFeatureLevel = D3D_FEATURE_LEVEL_12_1;
+
+	ComPtr<IDXGIFactory5>				pIDXGIFactory5;
+	ComPtr<IDXGIAdapter1>				pIAdapter;
+	ComPtr<ID3D12Device4>				pID3DDevice;
+	ComPtr<ID3D12CommandQueue>			pICMDQueue;
+	ComPtr<IDXGISwapChain1>				pISwapChain1;
+	ComPtr<IDXGISwapChain3>				pISwapChain3;
+	ComPtr<ID3D12DescriptorHeap>		pIRTVHeap;
+	ComPtr<ID3D12Resource>				pIARenderTargets[nFrameBackBufCount];
+	ComPtr<ID3D12RootSignature>			pIRootSignature;
+	ComPtr<ID3D12PipelineState>			pIPipelineState;
+
+	ComPtr<ID3D12CommandAllocator>		pICMDAlloc;
+	ComPtr<ID3D12GraphicsCommandList>	pICMDList;
+	ComPtr<ID3D12Resource>				pIVertexBuffer;
+	ComPtr<ID3D12Fence>					pIFence;
+
+	try
+	{
+		// 得到当前的工作目录，方便我们使用相对路径来访问各种资源文件
+		{
+			UINT nBytes = GetCurrentDirectory(MAX_PATH, pszAppPath);
+			if (MAX_PATH == nBytes)
+			{
+				GRS_THROW_IF_FAILED(HRESULT_FROM_WIN32(GetLastError()));
+			}
+		}
+
+		// 创建窗口
+		{
+			WNDCLASSEX wcex = {};
+			wcex.cbSize = sizeof(WNDCLASSEX);
+			wcex.style = CS_GLOBALCLASS;
+			wcex.lpfnWndProc = WndProc;
+			wcex.cbClsExtra = 0;
+			wcex.cbWndExtra = 0;
+			wcex.hInstance = hInstance;
+			wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
+			wcex.hbrBackground = (HBRUSH)GetStockObject(NULL_BRUSH);		//防止无聊的背景重绘
+			wcex.lpszClassName = GRS_WND_CLASS_NAME;
+			RegisterClassEx(&wcex);
+
+			DWORD dwWndStyle = WS_OVERLAPPED | WS_SYSMENU;
+			RECT rtWnd = { 0, 0, iWidth, iHeight };
+			AdjustWindowRect(&rtWnd, dwWndStyle, FALSE);
+
+			// 计算窗口居中的屏幕坐标
+			INT posX = (GetSystemMetrics(SM_CXSCREEN) - rtWnd.right - rtWnd.left) / 2;
+			INT posY = (GetSystemMetrics(SM_CYSCREEN) - rtWnd.bottom - rtWnd.top) / 2;
+
+			hWnd = CreateWindowW(GRS_WND_CLASS_NAME
+				, GRS_WND_TITLE
+				, dwWndStyle
+				, posX
+				, posY
+				, rtWnd.right - rtWnd.left
+				, rtWnd.bottom - rtWnd.top
+				, nullptr
+				, nullptr
+				, hInstance
+				, nullptr);
+
+			if (!hWnd)
+			{
+				return FALSE;
+			}
+
+			ShowWindow(hWnd, nCmdShow);
+			UpdateWindow(hWnd);
+		}
+
+		//打开显示子系统的调试支持
+		{
+#if defined(_DEBUG)
+			ComPtr<ID3D12Debug> debugController;
+			if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
+			{
+				debugController->EnableDebugLayer();
+				// 打开附加的调试支持
+				nDXGIFactoryFlags |= DXGI_CREATE_FACTORY_DEBUG;
+			}
+#endif
+		}
+
+		// 创建DXGI Factory对象
+		{
+			GRS_THROW_IF_FAILED(CreateDXGIFactory2(nDXGIFactoryFlags, IID_PPV_ARGS(&pIDXGIFactory5)));
+			// 关闭ALT+ENTER键切换全屏的功能，因为我们没有实现OnSize处理，所以先关闭
+			GRS_THROW_IF_FAILED(pIDXGIFactory5->MakeWindowAssociation(hWnd, DXGI_MWA_NO_ALT_ENTER));
+
+		}
+
+		// 枚举适配器，并选择合适的适配器来创建3D设备对象
+		{
+			for (UINT adapterIndex = 1; DXGI_ERROR_NOT_FOUND != pIDXGIFactory5->EnumAdapters1(adapterIndex, &pIAdapter); ++adapterIndex)
+			{
+				DXGI_ADAPTER_DESC1 desc = {};
+				pIAdapter->GetDesc1(&desc);
+
+				if (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE)
+				{//跳过软件虚拟适配器设备
+					continue;
+				}
+				//检查适配器对D3D支持的兼容级别，这里直接要求支持12.1的能力，注意返回接口的那个参数被置为了nullptr，这样
+				//就不会实际创建一个设备了，也不用我们啰嗦的再调用release来释放接口。这也是一个重要的技巧，请记住！
+				if (SUCCEEDED(D3D12CreateDevice(pIAdapter.Get(), emFeatureLevel, _uuidof(ID3D12Device), nullptr)))
+				{
+					break;
+				}
+			}
+			// 创建D3D12.1的设备
+			GRS_THROW_IF_FAILED(D3D12CreateDevice(pIAdapter.Get(), emFeatureLevel, IID_PPV_ARGS(&pID3DDevice)));
+		}
+
+		// 创建直接命令队列
+		{
+			D3D12_COMMAND_QUEUE_DESC stQueueDesc = {};
+			stQueueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateCommandQueue(&stQueueDesc
+				, IID_PPV_ARGS(&pICMDQueue)));
+		}
+	
+		// 创建交换链
+		{
+			DXGI_SWAP_CHAIN_DESC1 stSwapChainDesc	= {};
+			stSwapChainDesc.BufferCount				= nFrameBackBufCount;
+			stSwapChainDesc.Width					= iWidth;
+			stSwapChainDesc.Height					= iHeight;
+			stSwapChainDesc.Format					= emRenderTargetFormat;
+			stSwapChainDesc.BufferUsage				= DXGI_USAGE_RENDER_TARGET_OUTPUT;
+			stSwapChainDesc.SwapEffect				= DXGI_SWAP_EFFECT_FLIP_DISCARD;
+			stSwapChainDesc.SampleDesc.Count		= 1;
+
+			GRS_THROW_IF_FAILED(pIDXGIFactory5->CreateSwapChainForHwnd(
+				pICMDQueue.Get(),		// 交换链需要命令队列，Present命令要执行
+				hWnd,
+				&stSwapChainDesc,
+				nullptr,
+				nullptr,
+				&pISwapChain1
+			));
+
+			GRS_THROW_IF_FAILED(pISwapChain1.As(&pISwapChain3));
+			//得到当前后缓冲区的序号，也就是下一个将要呈送显示的缓冲区的序号
+			//注意此处使用了高版本的SwapChain接口的函数
+			nFrameIndex = pISwapChain3->GetCurrentBackBufferIndex();
+
+			//创建RTV(渲染目标视图)描述符堆(这里堆的含义应当理解为数组或者固定大小元素的固定大小显存池)
+			{
+				D3D12_DESCRIPTOR_HEAP_DESC stRTVHeapDesc = {};
+				stRTVHeapDesc.NumDescriptors = nFrameBackBufCount;
+				stRTVHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
+				stRTVHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
+
+				GRS_THROW_IF_FAILED(pID3DDevice->CreateDescriptorHeap(
+					&stRTVHeapDesc
+					, IID_PPV_ARGS(&pIRTVHeap)));
+				//得到每个描述符元素的大小
+				nRTVDescriptorSize = pID3DDevice->GetDescriptorHandleIncrementSize(
+					D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
+			}
+
+			//创建RTV的描述符
+			{
+				D3D12_CPU_DESCRIPTOR_HANDLE stRTVHandle 
+					= pIRTVHeap->GetCPUDescriptorHandleForHeapStart();
+				for (UINT i = 0; i < nFrameBackBufCount; i++)
+				{
+					GRS_THROW_IF_FAILED(pISwapChain3->GetBuffer(i
+						, IID_PPV_ARGS(&pIARenderTargets[i])));
+
+					pID3DDevice->CreateRenderTargetView(pIARenderTargets[i].Get()
+						, nullptr
+						, stRTVHandle);
+
+					stRTVHandle.ptr += nRTVDescriptorSize;
+				}
+			}
+
+		}
+
+		//创建一个空的根描述符，也就是默认的根描述符
+		{
+			D3D12_ROOT_SIGNATURE_DESC stRootSignatureDesc = 
+			{ 
+				0
+				, nullptr
+				, 0
+				, nullptr
+				, D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT
+			};
+
+			ComPtr<ID3DBlob> pISignatureBlob;
+			ComPtr<ID3DBlob> pIErrorBlob;
+
+			GRS_THROW_IF_FAILED(D3D12SerializeRootSignature(
+				&stRootSignatureDesc
+				, D3D_ROOT_SIGNATURE_VERSION_1
+				, &pISignatureBlob
+				, &pIErrorBlob));
+
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateRootSignature(0
+				, pISignatureBlob->GetBufferPointer()
+				, pISignatureBlob->GetBufferSize()
+				, IID_PPV_ARGS(&pIRootSignature)));
+		}
+
+		//创建命令列表分配器
+		{
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateCommandAllocator(
+				D3D12_COMMAND_LIST_TYPE_DIRECT
+				, IID_PPV_ARGS(&pICMDAlloc)));
+
+			// 创建图形命令列表
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateCommandList(
+				0
+				, D3D12_COMMAND_LIST_TYPE_DIRECT
+				, pICMDAlloc.Get()
+				, pIPipelineState.Get()
+				, IID_PPV_ARGS(&pICMDList)));
+
+		}
+
+		// 编译Shader创建渲染管线状态对象
+		{
+			ComPtr<ID3DBlob> pIBlobVertexShader;
+			ComPtr<ID3DBlob> pIBlobPixelShader;
+
+#if defined(_DEBUG)
+			//调试状态下，打开Shader编译的调试标志，不优化
+			UINT nCompileFlags = 
+				D3DCOMPILE_DEBUG 
+				| D3DCOMPILE_SKIP_OPTIMIZATION;
+#else
+			UINT nCompileFlags = 0;
+#endif
+			TCHAR pszShaderFileName[MAX_PATH] = {};
+			StringCchPrintf(pszShaderFileName
+				, MAX_PATH
+				, _T("%s\\Shader\\shaders.hlsl")
+				, pszAppPath);
+			
+			GRS_THROW_IF_FAILED(D3DCompileFromFile(pszShaderFileName
+				, nullptr
+				, nullptr
+				, "VSMain"
+				, "vs_5_0"
+				, nCompileFlags
+				, 0
+				, &pIBlobVertexShader
+				, nullptr));
+			GRS_THROW_IF_FAILED(D3DCompileFromFile(pszShaderFileName
+				, nullptr
+				, nullptr
+				, "PSMain"
+				, "ps_5_0"
+				, nCompileFlags
+				, 0
+				, &pIBlobPixelShader
+				, nullptr));
+
+			// Define the vertex input layout.
+			D3D12_INPUT_ELEMENT_DESC stInputElementDescs[] =
+			{
+				{ 
+					"POSITION"
+					, 0
+					, DXGI_FORMAT_R32G32B32A32_FLOAT
+					, 0
+					, 0
+					, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA
+					, 0 
+				},
+				{ 
+					"COLOR"
+					, 0
+					, DXGI_FORMAT_R32G32B32A32_FLOAT
+					, 0
+					, 16
+					, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA
+					, 0 
+				}
+			};
+
+			// 定义渲染管线状态描述结构，创建渲染管线对象
+			D3D12_GRAPHICS_PIPELINE_STATE_DESC stPSODesc = {};
+			stPSODesc.InputLayout = { stInputElementDescs, _countof(stInputElementDescs) };
+			stPSODesc.pRootSignature = pIRootSignature.Get();
+			stPSODesc.VS.pShaderBytecode = pIBlobVertexShader->GetBufferPointer();
+			stPSODesc.VS.BytecodeLength = pIBlobVertexShader->GetBufferSize();
+			stPSODesc.PS.pShaderBytecode = pIBlobPixelShader->GetBufferPointer();
+			stPSODesc.PS.BytecodeLength = pIBlobPixelShader->GetBufferSize();
+
+			stPSODesc.RasterizerState.FillMode = D3D12_FILL_MODE_SOLID;
+			stPSODesc.RasterizerState.CullMode = D3D12_CULL_MODE_BACK;
+
+			stPSODesc.BlendState.AlphaToCoverageEnable = FALSE;
+			stPSODesc.BlendState.IndependentBlendEnable = FALSE;
+			stPSODesc.BlendState.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
+
+			stPSODesc.DepthStencilState.DepthEnable = FALSE;
+			stPSODesc.DepthStencilState.StencilEnable = FALSE;
+
+			stPSODesc.SampleMask = UINT_MAX;
+			stPSODesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
+			stPSODesc.NumRenderTargets = 1;
+			stPSODesc.RTVFormats[0] = emRenderTargetFormat;
+			stPSODesc.SampleDesc.Count = 1;
+
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateGraphicsPipelineState(&stPSODesc, IID_PPV_ARGS(&pIPipelineState)));
+		}
+
+		// 创建顶点缓冲
+		{
+			// 定义三角形的3D数据结构，每个顶点使用三原色之一
+			GRS_VERTEX stTriangleVertices[] =
+			{
+				{ { 0.0f, 0.25f * fTrangleSize, 0.0f ,1.0f }, { 1.0f, 0.0f, 0.0f, 1.0f } },
+				{ { 0.25f * fTrangleSize, -0.25f * fTrangleSize, 0.0f ,1.0f  }, { 0.0f, 1.0f, 0.0f, 1.0f } },
+				{ { -0.25f * fTrangleSize, -0.25f * fTrangleSize, 0.0f  ,1.0f }, { 0.0f, 0.0f, 1.0f, 1.0f } }
+			};
+
+			const UINT nVertexBufferSize = sizeof(stTriangleVertices);
+
+			D3D12_HEAP_PROPERTIES stHeapProp = { D3D12_HEAP_TYPE_UPLOAD };
+
+			D3D12_RESOURCE_DESC stResSesc	= {};
+			stResSesc.Dimension				= D3D12_RESOURCE_DIMENSION_BUFFER;
+			stResSesc.Layout				= D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
+			stResSesc.Flags					= D3D12_RESOURCE_FLAG_NONE;
+			stResSesc.Format				= DXGI_FORMAT_UNKNOWN;
+			stResSesc.Width					= nVertexBufferSize;
+			stResSesc.Height				= 1;
+			stResSesc.DepthOrArraySize		= 1;
+			stResSesc.MipLevels				= 1;
+			stResSesc.SampleDesc.Count		= 1;
+			stResSesc.SampleDesc.Quality	= 0;
+			
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateCommittedResource(
+				&stHeapProp,
+				D3D12_HEAP_FLAG_NONE,
+				&stResSesc,
+				D3D12_RESOURCE_STATE_GENERIC_READ,
+				nullptr,
+				IID_PPV_ARGS(&pIVertexBuffer)));
+
+			UINT8* pVertexDataBegin = nullptr;
+			D3D12_RANGE stReadRange = { 0, 0 };		
+			GRS_THROW_IF_FAILED(pIVertexBuffer->Map(
+				0
+				, &stReadRange
+				, reinterpret_cast<void**>(&pVertexDataBegin)));
+
+			memcpy(pVertexDataBegin
+				, stTriangleVertices
+				, sizeof(stTriangleVertices));
+
+			pIVertexBuffer->Unmap(0, nullptr);
+
+			stVertexBufferView.BufferLocation = pIVertexBuffer->GetGPUVirtualAddress();
+			stVertexBufferView.StrideInBytes = sizeof(GRS_VERTEX);
+			stVertexBufferView.SizeInBytes = nVertexBufferSize;
+		}
+
+		// 创建一个同步对象——围栏，用于等待渲染完成，因为现在Draw Call是异步的了
+		{
+			GRS_THROW_IF_FAILED(pID3DDevice->CreateFence(0
+				, D3D12_FENCE_FLAG_NONE
+				, IID_PPV_ARGS(&pIFence)));
+			n64FenceValue = 1;
+
+			// 创建一个Event同步对象，用于等待围栏事件通知
+			hFenceEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr);
+			if (hFenceEvent == nullptr)
+			{
+				GRS_THROW_IF_FAILED(HRESULT_FROM_WIN32(GetLastError()));
+			}
+		}
+
+		// 填充资源屏障结构
+		D3D12_RESOURCE_BARRIER stBeginResBarrier = {};
+		stBeginResBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+		stBeginResBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
+		stBeginResBarrier.Transition.pResource = pIARenderTargets[nFrameIndex].Get();
+		stBeginResBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
+		stBeginResBarrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
+		stBeginResBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
+
+		D3D12_RESOURCE_BARRIER stEneResBarrier = {};
+		stEneResBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
+		stEneResBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
+		stEneResBarrier.Transition.pResource = pIARenderTargets[nFrameIndex].Get();
+		stEneResBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
+		stEneResBarrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
+		stEneResBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
+
+		D3D12_CPU_DESCRIPTOR_HANDLE stRTVHandle = pIRTVHeap->GetCPUDescriptorHandleForHeapStart();
+		DWORD dwRet = 0;
+		BOOL bExit = FALSE;
+
+		GRS_THROW_IF_FAILED(pICMDList->Close());
+		SetEvent(hFenceEvent);
+
+		// 开始消息循环，并在其中不断渲染
+		while (!bExit)
+		{
+			dwRet = ::MsgWaitForMultipleObjects(1, &hFenceEvent, FALSE, INFINITE, QS_ALLINPUT);
+			switch ( dwRet - WAIT_OBJECT_0 )
+			{
+			case 0:
+			{
+				//获取新的后缓冲序号，因为Present真正完成时后缓冲的序号就更新了
+				nFrameIndex = pISwapChain3->GetCurrentBackBufferIndex();
+
+				//命令分配器先Reset一下
+				GRS_THROW_IF_FAILED(pICMDAlloc->Reset());
+				//Reset命令列表，并重新指定命令分配器和PSO对象
+				GRS_THROW_IF_FAILED(pICMDList->Reset(pICMDAlloc.Get(), pIPipelineState.Get()));
+
+				//开始记录命令
+				pICMDList->SetGraphicsRootSignature(pIRootSignature.Get());
+				pICMDList->SetPipelineState(pIPipelineState.Get());
+				pICMDList->RSSetViewports(1, &stViewPort);
+				pICMDList->RSSetScissorRects(1, &stScissorRect);
+
+				// 通过资源屏障判定后缓冲已经切换完毕可以开始渲染了
+				stBeginResBarrier.Transition.pResource = pIARenderTargets[nFrameIndex].Get();
+				pICMDList->ResourceBarrier(1, &stBeginResBarrier);
+
+				stRTVHandle = pIRTVHeap->GetCPUDescriptorHandleForHeapStart();
+				stRTVHandle.ptr += nFrameIndex * nRTVDescriptorSize;
+				//设置渲染目标
+				pICMDList->OMSetRenderTargets(1, &stRTVHandle, FALSE, nullptr);
+
+				// 继续记录命令，并真正开始新一帧的渲染
+
+				pICMDList->ClearRenderTargetView(stRTVHandle, faClearColor, 0, nullptr);
+				pICMDList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
+				pICMDList->IASetVertexBuffers(0, 1, &stVertexBufferView);
+
+				//Draw Call！！！
+				pICMDList->DrawInstanced(3, 1, 0, 0);
+
+				//又一个资源屏障，用于确定渲染已经结束可以提交画面去显示了
+				stEneResBarrier.Transition.pResource = pIARenderTargets[nFrameIndex].Get();
+				pICMDList->ResourceBarrier(1, &stEneResBarrier);
+				//关闭命令列表，可以去执行了
+				GRS_THROW_IF_FAILED(pICMDList->Close());
+
+				//执行命令列表
+				ID3D12CommandList* ppCommandLists[] = { pICMDList.Get() };
+				pICMDQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
+
+				//提交画面
+				GRS_THROW_IF_FAILED(pISwapChain3->Present(1, 0));
+
+				//开始同步GPU与CPU的执行，先记录围栏标记值
+				const UINT64 n64CurrentFenceValue = n64FenceValue;
+				GRS_THROW_IF_FAILED( pICMDQueue->Signal(pIFence.Get(), n64CurrentFenceValue) );
+				n64FenceValue++;
+				GRS_THROW_IF_FAILED( pIFence->SetEventOnCompletion( n64CurrentFenceValue, hFenceEvent) );
+			}
+			break;
+			case 1:
+			{//处理消息
+				while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+				{
+					if (WM_QUIT != msg.message)
+					{
+						::TranslateMessage(&msg);
+						::DispatchMessage(&msg);
+					}
+					else
+					{
+						bExit = TRUE;
+					}
+				}
+			}
+			break;
+			case WAIT_TIMEOUT:
+			{
+
+			}
+			break;
+			default:
+				break;
+			}
+		}
+	}
+	catch (CGRSCOMException& e)
+	{//发生了COM异常
+		e;
+	}
+	return 0;
+}
+
+LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+	switch (message)
+	{
+	case WM_DESTROY:
+		PostQuitMessage(0);
+		break;
+	default:
+		return DefWindowProc(hWnd, message, wParam, lParam);
+	}
+	return 0;
+}
\ No newline at end of file

9-D3D12RenderToTexture/D3D12RenderToTexture.vcxproj

+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{5348E771-E75A-4948-8E40-27BD5E44D208}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>D3D12RenderToTexture</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <ProjectName>9-RenderToTexture</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)\</OutDir>
+    <IntDir>$(Configuration)\$(Platform)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)\</OutDir>
+    <IntDir>$(Configuration)\$(Platform)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>false</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>false</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\WindowsCommons\DDSTextureLoader12.cpp" />
+    <ClCompile Include="9-RenderToTexture.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Shader\Quad.hlsl">
+      <FileType>Document</FileType>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Shader\TextureCube.hlsl">
+      <FileType>Document</FileType>
+    </None>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file

9-D3D12RenderToTexture/D3D12RenderToTexture.vcxproj.filters

+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+    <Filter Include="Shader">
+      <UniqueIdentifier>{128fa7c3-3081-4341-b168-6bf524fce20b}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\WindowsCommons\DDSTextureLoader12.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+    <ClCompile Include="9-RenderToTexture.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Shader\Quad.hlsl">
+      <Filter>Shader</Filter>
+    </None>
+    <None Include="Shader\TextureCube.hlsl">
+      <Filter>Shader</Filter>
+    </None>
+  </ItemGroup>
+</Project>
\ No newline at end of file

9-D3D12RenderToTexture/D3D12RenderToTexture.vcxproj.user

+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup />
+</Project>
\ No newline at end of file

9-D3D12RenderToTexture/Mesh/cube.txt

+Vertex Count: 36
+
+Data:
+
+-1.0  1.0 -1.0 0.0 0.0  0.0  0.0 -1.0
+ 1.0  1.0 -1.0 1.0 0.0  0.0  0.0 -1.0
+-1.0 -1.0 -1.0 0.0 1.0  0.0  0.0 -1.0
+-1.0 -1.0 -1.0 0.0 1.0  0.0  0.0 -1.0
+ 1.0  1.0 -1.0 1.0 0.0  0.0  0.0 -1.0
+ 1.0 -1.0 -1.0 1.0 1.0  0.0  0.0 -1.0
+ 1.0  1.0 -1.0 0.0 0.0  1.0  0.0  0.0
+ 1.0  1.0  1.0 1.0 0.0  1.0  0.0  0.0
+ 1.0 -1.0 -1.0 0.0 1.0  1.0  0.0  0.0
+ 1.0 -1.0 -1.0 0.0 1.0  1.0  0.0  0.0
+ 1.0  1.0  1.0 1.0 0.0  1.0  0.0  0.0
+ 1.0 -1.0  1.0 1.0 1.0  1.0  0.0  0.0
+ 1.0  1.0  1.0 0.0 0.0  0.0  0.0  1.0
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+ 1.0 -1.0  1.0 0.0 1.0  0.0  0.0  1.0
+ 1.0 -1.0  1.0 0.0 1.0  0.0  0.0  1.0
+-1.0  1.0  1.0 1.0 0.0  0.0  0.0  1.0
+-1.0 -1.0  1.0 1.0 1.0  0.0  0.0  1.0
+-1.0  1.0  1.0 0.0 0.0 -1.0  0.0  0.0
+-1.0  1.0 -1.0 1.0 0.0 -1.0  0.0  0.0
+-1.0 -1.0  1.0 0.0 1.0 -1.0  0.0  0.0
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+-1.0  1.0  1.0 0.0 0.0  0.0  1.0  0.0
+ 1.0  1.0  1.0 1.0 0.0  0.0  1.0  0.0
+-1.0  1.0 -1.0 0.0 1.0  0.0  1.0  0.0
+-1.0  1.0 -1.0 0.0 1.0  0.0  1.0  0.0
+ 1.0  1.0  1.0 1.0 0.0  0.0  1.0  0.0
+ 1.0  1.0 -1.0 1.0 1.0  0.0  1.0  0.0
+-1.0 -1.0 -1.0 0.0 0.0  0.0 -1.0  0.0
+ 1.0 -1.0 -1.0 1.0 0.0  0.0 -1.0  0.0
+-1.0 -1.0  1.0 0.0 1.0  0.0 -1.0  0.0
+-1.0 -1.0  1.0 0.0 1.0  0.0 -1.0  0.0
+ 1.0 -1.0 -1.0 1.0 0.0  0.0 -1.0  0.0
+ 1.0 -1.0  1.0 1.0 1.0  0.0 -1.0  0.0

9-D3D12RenderToTexture/Shader/Quad.hlsl

+struct PSInput
+{
+	float4 position : SV_POSITION;
+	float4 color :COLOR;
+	float2 uv : TEXCOORD;
+};
+
+cbuffer MVOBuffer : register(b0)
+{
+	float4x4 m_MVO;
+};
+
+Texture2D g_texture : register(t0);
+SamplerState g_sampler : register(s0);
+
+PSInput VSMain(float4 position : POSITION, float4 color : COLOR, float2 uv : TEXCOORD)
+{
+	PSInput result;
+
+	result.position = mul(position,m_MVO);
+	result.uv = uv;
+
+	return result;
+}
+
+float4 PSMain(PSInput input) : SV_TARGET
+{
+	return g_texture.Sample(g_sampler, input.uv);
+}

9-D3D12RenderToTexture/Shader/TextureCube.hlsl

+struct PSInput
+{
+	float4 position : SV_POSITION;
+	float2 uv : TEXCOORD;
+};
+
+cbuffer MVPBuffer : register(b0)
+{
+	float4x4 m_MVP;
+};
+
+Texture2D g_texture : register(t0);
+SamplerState g_sampler : register(s0);
+
+PSInput VSMain(float4 position : POSITION, float2 uv : TEXCOORD)
+{
+	PSInput result;
+	//position.w = 1.0f;
+	result.position = mul(position, m_MVP);
+	result.uv = uv;
+
+	return result;
+}
+
+float4 PSMain(PSInput input) : SV_TARGET
+{
+	return g_texture.Sample(g_sampler, input.uv);
+}