public CommandList(GraphicsDevice device) : base(device) { nativeCommandAllocator = device.CommandAllocators.GetObject(); NativeCommandList = device.NativeDevice.CreateCommandList(CommandListType.Direct, nativeCommandAllocator, null); ResetSrvHeap(true); ResetSamplerHeap(true); }
void CreateCommandList() { // Command allocators for (int i = 0; i < FrameCount; i++) { _commandAllocators[i] = _dev.CreateCommandAllocator(SharpDX.Direct3D12.CommandListType.Direct); } // Command list _commands = _dev.CreateCommandList(0, SharpDX.Direct3D12.CommandListType.Direct, _commandAllocators[0], null); _commands.Close(); // Fence _fence = _dev.CreateFence(0, SharpDX.Direct3D12.FenceFlags.None); _fenceEvent = new AutoResetEvent(false); }
private void LoadAssets() { DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0 } }; StaticSamplerDescription sampler = new StaticSamplerDescription() { Filter = Filter.MinimumMinMagMipPoint, AddressU = TextureAddressMode.Border, AddressV = TextureAddressMode.Border, AddressW = TextureAddressMode.Border, MipLODBias = 0, MaxAnisotropy = 0, ComparisonFunc = Comparison.Never, BorderColor = StaticBorderColor.TransparentBlack, MinLOD = 0.0f, MaxLOD = float.MaxValue, ShaderRegister = 0, RegisterSpace = 0, ShaderVisibility = ShaderVisibility.Pixel, }; RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges) }; RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler }); rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. InputElement[] inputElementDescs = new InputElement[] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("TEXCOORD",0,Format.R32G32_Float,12,0) }; // Describe and create the graphics pipeline state object (PSO). GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false }, SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); // Create the vertex buffer. float aspectRatio = viewport.Width / viewport.Height; // Define the geometry for a triangle. Vertex[] triangleVertices = new Vertex[] { new Vertex() {position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),uv=new Vector2(0.5f, 0.0f) }, new Vertex() {position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),uv=new Vector2(1.0f, 1.0f) }, new Vertex() {position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),uv=new Vector2(0.0f, 1.0f) }, }; int vertexBufferSize = Utilities.SizeOf(triangleVertices); // Note: using upload heaps to transfer static data like vert buffers is not // recommended. Every time the GPU needs it, the upload heap will be marshalled // over. Please read up on Default Heap usage. An upload heap is used here for // code simplicity and because there are very few verts to actually transfer. vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead); // Copy the triangle data to the vertex buffer. IntPtr pVertexDataBegin = vertexBuffer.Map(0); Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length); vertexBuffer.Unmap(0); // Initialize the vertex buffer view. vertexBufferView = new VertexBufferView(); vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress; vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>(); vertexBufferView.SizeInBytes = vertexBufferSize; Resource textureUploadHeap; // Create the texture. // Describe and create a Texture2D. ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight); texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination); long uploadBufferSize = GetRequiredIntermediateSize(this.texture, 0, 1); // Create the GPU upload buffer. textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight), ResourceStates.GenericRead); // Copy data to the intermediate upload heap and then schedule a copy // from the upload heap to the Texture2D. byte[] textureData = GenerateTextureData(); GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned); IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0); textureUploadHeap.WriteToSubresource(0, null, ptr, TexturePixelSize * TextureWidth, textureData.Length); handle.Free(); commandList.CopyTextureRegion(new TextureCopyLocation(texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null); commandList.ResourceBarrierTransition(this.texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource); // Describe and create a SRV for the texture. ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription() { Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(), Format = textureDesc.Format, Dimension = ShaderResourceViewDimension.Texture2D, }; srvDesc.Texture2D.MipLevels = 1; device.CreateShaderResourceView(this.texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart); // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); commandQueue.ExecuteCommandList(commandList); // Create synchronization objects. fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); WaitForPreviousFrame(); //release temp texture textureUploadHeap.Dispose(); }
private void LoadAssets() { // Create the descriptor heap for the render target view descriptorHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription() { Type = DescriptorHeapType.RenderTargetView, DescriptorCount = 1 }); // Create the main command list commandList = device.CreateCommandList(CommandListType.Direct, commandListAllocator, null); // Get the backbuffer and creates the render target view renderTarget = swapChain.GetBackBuffer<Resource>(0); device.CreateRenderTargetView(renderTarget, null, descriptorHeap.CPUDescriptorHandleForHeapStart); // Create the viewport viewPort = new ViewportF(0, 0, width, height); // Create the scissor scissorRectangle = new Rectangle(0, 0, width, height); // Create a fence to wait for next frame fence = device.CreateFence(0, FenceFlags.None); currentFence = 1; // Close command list commandList.Close(); // Create an event handle use for VTBL eventHandle = new AutoResetEvent(false); // Wait the command list to complete WaitForPrevFrame(); }
private void LoadAssets() { // Create an empty root signature. var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout); rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("shaders.hlsl"), "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("shaders.hlsl"), "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. var inputElementDescs = new [] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0) }; // Describe and create the graphics pipeline state object (PSO). var psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false }, SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); // Create the vertex buffer. float aspectRatio = viewport.Width / viewport.Height; // Define the geometry for a triangle. var triangleVertices = new [] { new Vertex() {Position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),Color=new Vector4(1.0f, 0.0f, 0.0f, 1.0f ) }, new Vertex() {Position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),Color=new Vector4(0.0f, 1.0f, 0.0f, 1.0f) }, new Vertex() {Position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),Color=new Vector4(0.0f, 0.0f, 1.0f, 1.0f ) }, }; int vertexBufferSize = Utilities.SizeOf(triangleVertices); // Note: using upload heaps to transfer static data like vert buffers is not // recommended. Every time the GPU needs it, the upload heap will be marshalled // over. Please read up on Default Heap usage. An upload heap is used here for // code simplicity and because there are very few verts to actually transfer. vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead); // Copy the triangle data to the vertex buffer. IntPtr pVertexDataBegin = vertexBuffer.Map(0); Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length); vertexBuffer.Unmap(0); // Initialize the vertex buffer view. vertexBufferView = new VertexBufferView(); vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress; vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>(); vertexBufferView.SizeInBytes = vertexBufferSize; // Create and record the bundle. bundle = device.CreateCommandList(0, CommandListType.Bundle, bundleAllocator, pipelineState); bundle.SetGraphicsRootSignature(rootSignature); bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList; bundle.SetVertexBuffer(0, vertexBufferView); bundle.DrawInstanced(3, 1, 0, 0); bundle.Close(); // Create synchronization objects. { fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); } }
protected override void CreateImpl() { CommandListD3D12 = ((Device)Device).DeviceD3D12.CreateCommandList(InternalUtils.GetDXCommandListType(Desc.Type), ((CommandAllocator)ActiveAllocator).AllocatorD3D12, null); CommandListD3D12.Name = Label; }
private void CreatePSO(InputElement[] inputElementDescs,ShaderBytecode vertexShader,ShaderBytecode pixelShader) { // Describe and create the graphics pipeline state object (PSO). var psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = true, DepthComparison = Comparison.LessEqual, DepthWriteMask = DepthWriteMask.All, IsStencilEnabled = false }, SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); commandList.Close(); }
private void LoadAssets() { // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, null); // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); // Create synchronization objects. fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); }
private void LoadAssets() { DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, OffsetInDescriptorsFromTableStart = int.MinValue, DescriptorCount = 1 } }; RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges); // Create an empty root signature. RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter }); rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. InputElement[] inputElementDescs = new InputElement[] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0) }; // Describe and create the graphics pipeline state object (PSO). GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false }, SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); // Create the vertex buffer. float aspectRatio = viewport.Width / viewport.Height; // Define the geometry for a triangle. Vertex[] triangleVertices = new Vertex[] { new Vertex() {position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),color=new Vector4(1.0f, 0.0f, 0.0f, 1.0f ) }, new Vertex() {position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),color=new Vector4(0.0f, 1.0f, 0.0f, 1.0f) }, new Vertex() {position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),color=new Vector4(0.0f, 0.0f, 1.0f, 1.0f ) }, }; int vertexBufferSize = Utilities.SizeOf(triangleVertices); // Note: using upload heaps to transfer static data like vert buffers is not // recommended. Every time the GPU needs it, the upload heap will be marshalled // over. Please read up on Default Heap usage. An upload heap is used here for // code simplicity and because there are very few verts to actually transfer. vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead); // Copy the triangle data to the vertex buffer. IntPtr pVertexDataBegin = vertexBuffer.Map(0); Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length); vertexBuffer.Unmap(0); // Initialize the vertex buffer view. vertexBufferView = new VertexBufferView(); vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress; vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>(); vertexBufferView.SizeInBytes = vertexBufferSize; // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead); //// Describe and create a constant buffer view. ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription() { BufferLocation = constantBuffer.GPUVirtualAddress, SizeInBytes = (Utilities.SizeOf<ConstantBuffer>() + 255) & ~255 }; device.CreateConstantBufferView(cbvDesc, constantBufferViewHeap.CPUDescriptorHandleForHeapStart); // Initialize and map the constant buffers. We don't unmap this until the // app closes. Keeping things mapped for the lifetime of the resource is okay. constantBufferPointer = constantBuffer.Map(0); Utilities.Write(constantBufferPointer, ref constantBufferData); // Create synchronization objects. fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); }
private void LoadAssets() { DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1 } }; RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges); // Create a root signature. RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter }); rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. InputElement[] inputElementDescs = new InputElement[] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0) }; // Describe and create the graphics pipeline state object (PSO). GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = DepthStencilStateDescription.Default(), SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); // Create the vertex buffer. float aspectRatio = viewport.Width / viewport.Height; // Define the geometry for a cube. Vertex[] vertices = new[] { ////TOP new Vertex(new Vector3(-5,5,5),new Vector4(0,1,0,0)), new Vertex(new Vector3(5,5,5),new Vector4(0,1,0,0)), new Vertex(new Vector3(5,5,-5),new Vector4(0,1,0,0)), new Vertex(new Vector3(-5,5,-5),new Vector4(0,1,0,0)), //BOTTOM new Vertex(new Vector3(-5,-5,5),new Vector4(1,0,1,1)), new Vertex(new Vector3(5,-5,5),new Vector4(1,0,1,1)), new Vertex(new Vector3(5,-5,-5),new Vector4(1,0,1,1)), new Vertex(new Vector3(-5,-5,-5),new Vector4(1,0,1,1)), //LEFT new Vertex(new Vector3(-5,-5,5),new Vector4(1,0,0,1)), new Vertex(new Vector3(-5,5,5),new Vector4(1,0,0,1)), new Vertex(new Vector3(-5,5,-5),new Vector4(1,0,0,1)), new Vertex(new Vector3(-5,-5,-5),new Vector4(1,0,0,1)), //RIGHT new Vertex(new Vector3(5,-5,5),new Vector4(1,1,0,1)), new Vertex(new Vector3(5,5,5),new Vector4(1,1,0,1)), new Vertex(new Vector3(5,5,-5),new Vector4(1,1,0,1)), new Vertex(new Vector3(5,-5,-5),new Vector4(1,1,0,1)), //FRONT new Vertex(new Vector3(-5,5,5),new Vector4(0,1,1,1)), new Vertex(new Vector3(5,5,5),new Vector4(0,1,1,1)), new Vertex(new Vector3(5,-5,5),new Vector4(0,1,1,1)), new Vertex(new Vector3(-5,-5,5),new Vector4(0,1,1,1)), //BACK new Vertex(new Vector3(-5,5,-5),new Vector4(0,0,1,1)), new Vertex(new Vector3(5,5,-5),new Vector4(0,0,1,1)), new Vertex(new Vector3(5,-5,-5),new Vector4(0,0,1,1)), new Vertex(new Vector3(-5,-5,-5),new Vector4(0,0,1,1)) }; int vertexBufferSize = Utilities.SizeOf(vertices); // Note: using upload heaps to transfer static data like vert buffers is not // recommended. Every time the GPU needs it, the upload heap will be marshalled // over. Please read up on Default Heap usage. An upload heap is used here for // code simplicity and because there are very few verts to actually transfer. vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead); // Copy the triangle data to the vertex buffer. IntPtr pVertexDataBegin = vertexBuffer.Map(0); Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length); vertexBuffer.Unmap(0); // Initialize the vertex buffer view. vertexBufferView = new VertexBufferView(); vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress; vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>(); vertexBufferView.SizeInBytes = vertexBufferSize; //Create Index Buffer //Indices int[] indices = new int[] { 0,1,2,0,2,3, 4,6,5,4,7,6, 8,9,10,8,10,11, 12,14,13,12,15,14, 16,18,17,16,19,18, 20,21,22,20,22,23 }; int indexBufferSize = Utilities.SizeOf(indices); indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead); // Copy the triangle data to the vertex buffer. IntPtr pIndexDataBegin = indexBuffer.Map(0); Utilities.Write(pIndexDataBegin, indices, 0, indices.Length); indexBuffer.Unmap(0); // Initialize the index buffer view. indexBufferView = new IndexBufferView(); indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress; indexBufferView.Format = Format.R32_UInt; indexBufferView.SizeInBytes = indexBufferSize; //constant Buffer for each cubes constantBufferViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription() { DescriptorCount = NumCubes, Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView, Flags = DescriptorHeapFlags.ShaderVisible }); int constantBufferSize = (Utilities.SizeOf<Transform>() + 255) & ~255; constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize * NumCubes), ResourceStates.GenericRead); constantBufferDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView); //First cube ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription() { BufferLocation = constantBuffer.GPUVirtualAddress, SizeInBytes = constantBufferSize }; CpuDescriptorHandle cbHandleHeapStart = constantBufferViewHeap.CPUDescriptorHandleForHeapStart; for (int i = 0; i < NumCubes; i++) { device.CreateConstantBufferView(cbvDesc, cbHandleHeapStart); cbvDesc.BufferLocation += Utilities.SizeOf<Transform>(); cbHandleHeapStart += constantBufferDescriptorSize; } InitBundles(); }
private void InitBundles() { // Create and record the bundle. bundle = device.CreateCommandList(0, CommandListType.Bundle, bundleAllocator, pipelineState); bundle.SetGraphicsRootSignature(rootSignature); bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList; bundle.SetVertexBuffer(0, vertexBufferView); bundle.SetIndexBuffer(indexBufferView); bundle.SetDescriptorHeaps(1, new DescriptorHeap[] { constantBufferViewHeap }); //first cube GpuDescriptorHandle heapStart = constantBufferViewHeap.GPUDescriptorHandleForHeapStart; for (int i = 0; i < NumCubes; i++) { bundle.SetGraphicsRootDescriptorTable(0, heapStart); bundle.DrawIndexedInstanced(36, 1, 0, 0, 0); heapStart += constantBufferDescriptorSize; } bundle.Close(); // Create synchronization objects. { fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); } }
private void LoadAssets() { RootParameter parameter1 = new RootParameter(ShaderVisibility.All, new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1 }); RootParameter parameter2 = new RootParameter(ShaderVisibility.Pixel, new DescriptorRange() { RangeType = DescriptorRangeType.ShaderResourceView, BaseShaderRegister = 0, DescriptorCount = 1 }); RootParameter parameter3 = new RootParameter(ShaderVisibility.Pixel, new DescriptorRange() { RangeType = DescriptorRangeType.Sampler, BaseShaderRegister = 0, DescriptorCount = 1 }); // Create a root signature. RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter1, parameter2, parameter3 }); rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. InputElement[] inputElementDescs = new InputElement[] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("NORMAL",0,Format.R32G32B32_Float,12,0), new InputElement("TEXCOORD",0,Format.R32G32B32_Float,24,0) }; // Describe and create the graphics pipeline state object (PSO). GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = DepthStencilStateDescription.Default(), SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); // Create the command list. commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); // Command lists are created in the recording state, but there is nothing // to record yet. The main loop expects it to be closed, so close it now. commandList.Close(); // Create the vertex buffer. float aspectRatio = viewport.Width / viewport.Height; //constant Buffer int constantBufferSize = (Utilities.SizeOf<Transform>() + 255) & ~255; constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize), ResourceStates.GenericRead); constantBufferDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView); //constant buffer ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription() { BufferLocation = constantBuffer.GPUVirtualAddress, SizeInBytes = constantBufferSize }; CpuDescriptorHandle cbHandleHeapStart = constantBufferViewHeap.CPUDescriptorHandleForHeapStart; device.CreateConstantBufferView(cbvDesc, cbHandleHeapStart); cbvDesc.BufferLocation += Utilities.SizeOf<Transform>(); cbHandleHeapStart += constantBufferDescriptorSize; LoadMesh(cbHandleHeapStart); // Create synchronization objects. { fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; // Create an event handle to use for frame synchronization. fenceEvent = new AutoResetEvent(false); } InitBundles(); }
private void InitBundles() { // Create and record the bundle. bundleAllocator.Reset(); bundle = device.CreateCommandList(0, CommandListType.Bundle, bundleAllocator, pipelineState); //Set Heap bundle.SetDescriptorHeaps(2, new DescriptorHeap[] { constantBufferViewHeap, samplerViewHeap }); bundle.SetGraphicsRootSignature(rootSignature); bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList; bundle.SetVertexBuffer(0, vertexBufferView); bundle.SetIndexBuffer(indexBufferView); //model GpuDescriptorHandle heapStart = constantBufferViewHeap.GPUDescriptorHandleForHeapStart; //constant buffer bundle.SetGraphicsRootDescriptorTable(0, heapStart); heapStart += constantBufferDescriptorSize; //sampler bundle.SetGraphicsRootDescriptorTable(2, samplerViewHeap.GPUDescriptorHandleForHeapStart); int offset = 0; foreach (var count in faceCounts) { //Texture coordinates start after constant buffer bundle.SetGraphicsRootDescriptorTable(1, heapStart); bundle.DrawIndexedInstanced(count, 1, offset, 0, 0); offset += count; heapStart += constantBufferDescriptorSize; } heapStart += constantBufferDescriptorSize; bundle.Close(); }
private void LoadAssets() { // Create the root signature description. var rootSignatureDesc = new RootSignatureDescription( RootSignatureFlags.AllowInputAssemblerInputLayout, // Root Parameters new[] { new RootParameter(ShaderVisibility.All, new [] { new DescriptorRange() { RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0 }, new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue + 1, BaseShaderRegister = 0 } }), new RootParameter(ShaderVisibility.Pixel, new DescriptorRange() { RangeType = DescriptorRangeType.Sampler, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0 }), }); //// Samplers //new[] //{ // new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0) // { // Filter = Filter.MinimumMinMagMipPoint, // AddressUVW = TextureAddressMode.Border, // } //}); rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize()); // Create the pipeline state, which includes compiling and loading shaders. #if DEBUG var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0")); #endif #if DEBUG var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif #if DEBUG //var result = SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug); var geometryShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug)); #else var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0")); #endif // Define the vertex input layout. var inputElementDescs = new[] { new InputElement("POSITION",0,Format.R32G32B32_Float,0,0), new InputElement("TEXCOORD",0,Format.R32G32_Float,12,0) }; // Describe and create the graphics pipeline state object (PSO). var psoDesc = new GraphicsPipelineStateDescription() { InputLayout = new InputLayoutDescription(inputElementDescs), RootSignature = rootSignature, VertexShader = vertexShader, GeometryShader = geometryShader, PixelShader = pixelShader, RasterizerState = RasterizerStateDescription.Default(), BlendState = BlendStateDescription.Default(), DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = true, DepthComparison = Comparison.LessEqual, DepthWriteMask = DepthWriteMask.All, IsStencilEnabled = false }, SampleMask = int.MaxValue, PrimitiveTopologyType = PrimitiveTopologyType.Triangle, RenderTargetCount = 1, Flags = PipelineStateFlags.None, SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), StreamOutput = new StreamOutputDescription() }; psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm; pipelineState = device.CreateGraphicsPipelineState(psoDesc); commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState); commandList.Close(); // build vertex buffer var triangleVertices = new[] { //TOP new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,1f)} , new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,1f)} , new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} , //BOTTOM new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} , new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} , new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,0f)} , //LEFT new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} , new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} , new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} , //RIGHT new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} , new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} , new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)} , //FRONT new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} , new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} , new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} , //BACK new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} , new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} , new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} , new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)} }; int vertexBufferSize = Utilities.SizeOf(triangleVertices); vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead); IntPtr pVertexDataBegin = vertexBuffer.Map(0); Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length); vertexBuffer.Unmap(0); vertexBufferView = new VertexBufferView(); vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress; vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>(); vertexBufferView.SizeInBytes = vertexBufferSize; // build index buffer var triangleIndexes = new uint[] { 0,1,2, 0,2,3, 4,6,5, 4,7,6, 8,9,10, 8,10,11, 12,14,13, 12,15,14, 16,18,17, 16,19,18, 20,21,22, 20,22,23 }; int indexBufferSize = Utilities.SizeOf(triangleIndexes); indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead); IntPtr pIndexDataBegin = indexBuffer.Map(0); Utilities.Write(pIndexDataBegin, triangleIndexes, 0, triangleIndexes.Length); indexBuffer.Unmap(0); indexBufferView = new IndexBufferView(); indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress; indexBufferView.SizeInBytes = indexBufferSize; indexBufferView.Format = Format.R32_UInt; // Create the texture. // Describe and create a Texture2D. var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight, 1, 1, 1, 0, ResourceFlags.None, TextureLayout.Unknown, 0); texture = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead, null); // Copy data to the intermediate upload heap and then schedule a copy // from the upload heap to the Texture2D. byte[] textureData = Utilities.ReadStream(new FileStream("../../texture1.dds", FileMode.Open)); texture.Name = "Texture"; var handle = GCHandle.Alloc(textureData, GCHandleType.Pinned); var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0); texture.WriteToSubresource(0, null, ptr, TextureWidth * 4, textureData.Length); handle.Free(); // Describe and create a SRV for the texture. var srvDesc = new ShaderResourceViewDescription { Shader4ComponentMapping = ((((0) & 0x7) |(((1) & 0x7) << 3) |(((2) & 0x7) << (3 * 2)) |(((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))), Format = textureDesc.Format, Dimension = ShaderResourceViewDimension.Texture2D, Texture2D = { MipLevels = 1, MostDetailedMip = 0, PlaneSlice = 0, ResourceMinLODClamp = 0.0f }, }; device.CreateShaderResourceView(texture, srvDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart); SamplerStateDescription samplerDesc = new SamplerStateDescription { Filter = Filter.MinMagMipLinear, AddressU = TextureAddressMode.Clamp, AddressV = TextureAddressMode.Clamp, AddressW = TextureAddressMode.Clamp, MaximumAnisotropy = 0, MaximumLod = float.MaxValue, MinimumLod = -float.MaxValue, MipLodBias = 0, ComparisonFunction = Comparison.Never }; device.CreateSampler(samplerDesc, samplerViewHeap.CPUDescriptorHandleForHeapStart); // build constant buffer constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead); var cbDesc = new ConstantBufferViewDescription() { BufferLocation = constantBuffer.GPUVirtualAddress, SizeInBytes = (Utilities.SizeOf<ConstantBufferData>() + 255) & ~255 }; var srvCbvStep = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView); device.CreateConstantBufferView(cbDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart + srvCbvStep); constantBufferData = new ConstantBufferData { Project = Matrix.Identity }; constantBufferPointer = constantBuffer.Map(0); Utilities.Write(constantBufferPointer, ref constantBufferData); // build depth buffer DescriptorHeapDescription descDescriptorHeapDSB = new DescriptorHeapDescription() { DescriptorCount = 1, Type = DescriptorHeapType.DepthStencilView, Flags = DescriptorHeapFlags.None }; DescriptorHeap descriptorHeapDSB = device.CreateDescriptorHeap(descDescriptorHeapDSB); ResourceDescription descDepth = new ResourceDescription() { Dimension = ResourceDimension.Texture2D, DepthOrArraySize = 1, MipLevels = 0, Flags = ResourceFlags.AllowDepthStencil, Width = (int)viewport.Width, Height = (int)viewport.Height, Format = Format.R32_Typeless, Layout = TextureLayout.Unknown, SampleDescription = new SampleDescription() { Count = 1 } }; ClearValue dsvClearValue = new ClearValue() { Format = Format.D32_Float, DepthStencil = new DepthStencilValue() { Depth = 1.0f, Stencil = 0 } }; Resource renderTargetDepth = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, descDepth, ResourceStates.GenericRead, dsvClearValue); DepthStencilViewDescription depthDSV = new DepthStencilViewDescription() { Dimension = DepthStencilViewDimension.Texture2D, Format = Format.D32_Float, Texture2D = new DepthStencilViewDescription.Texture2DResource() { MipSlice = 0 } }; device.CreateDepthStencilView(renderTargetDepth, depthDSV, descriptorHeapDSB.CPUDescriptorHandleForHeapStart); handleDSV = descriptorHeapDSB.CPUDescriptorHandleForHeapStart; fence = device.CreateFence(0, FenceFlags.None); fenceValue = 1; fenceEvent = new AutoResetEvent(false); }