/// <summary>
/// Initializes a new instance of the <see cref="Buffer" /> class.
/// </summary>
/// <param name="description">The description.</param>
/// <param name="viewFlags">Type of the buffer.</param>
/// <param name="viewFormat">The view format.</param>
/// <param name="dataPointer">The data pointer.</param>
protected Buffer InitializeFromImpl(BufferDescription description, BufferFlags viewFlags, PixelFormat viewFormat, IntPtr dataPointer)
{
bufferDescription = description;
nativeDescription = ConvertToNativeDescription(GraphicsDevice, Description);
ViewFlags = viewFlags;
InitCountAndViewFormat(out this.elementCount, ref viewFormat);
ViewFormat = viewFormat;
Recreate(dataPointer);
if (GraphicsDevice != null)
{
GraphicsDevice.RegisterBufferMemoryUsage(SizeInBytes);
}
return(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="Buffer" /> class.
/// </summary>
/// <param name="description">The description.</param>
/// <param name="viewFlags">Type of the buffer.</param>
/// <param name="viewFormat">The view format.</param>
/// <param name="dataPointer">The data pointer.</param>
protected Buffer InitializeFromImpl(BufferDescription description, BufferFlags viewFlags, PixelFormat viewFormat, IntPtr dataPointer)
{
bufferDescription = description;
nativeDescription = ConvertToNativeDescription(GraphicsDevice, Description);
ViewFlags = viewFlags;
InitCountAndViewFormat(out this.elementCount, ref viewFormat);
ViewFormat = viewFormat;
Recreate(dataPointer);
if (GraphicsDevice != null)
{
GraphicsDevice.BuffersMemory += SizeInBytes/(float)0x100000;
}
return this;
}
private void BuildDepthBuffer()
{
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;
}
public override ImageCapture CaptureRenderTarget(RenderTarget surface)
{
IntPtr texNativePtr = RenderDeviceD3D11.GetTextureNativePointer(surface.Texture);
SharpDX.Direct3D12.Resource texture = new SharpDX.Direct3D12.Resource(texNativePtr);
SharpDX.Direct3D12.ResourceDescription texDesc = texture.Description;
// Transition PIXEL_SHADER_RESOURCE -> COPY_SOURCE
SharpDX.Direct3D12.ResourceBarrier barrier = new SharpDX.Direct3D12.ResourceBarrier();
barrier.Type = SharpDX.Direct3D12.ResourceBarrierType.Transition;
barrier.Flags = SharpDX.Direct3D12.ResourceBarrierFlags.None;
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(texture,
SharpDX.Direct3D12.ResourceStates.PixelShaderResource,
SharpDX.Direct3D12.ResourceStates.CopySource)
{
Subresource = 0
};
_commands.ResourceBarrier(barrier);
long totalBytes;
long[] rowSize = { 0 };
_dev.GetCopyableFootprints(ref texDesc, 0, 1, 0, null, null, rowSize, out totalBytes);
long pitch = (rowSize[0] + 255) & ~255;
// Create staging texture
SharpDX.Direct3D12.HeapProperties heap;
heap.Type = SharpDX.Direct3D12.HeapType.Readback;
heap.CPUPageProperty = SharpDX.Direct3D12.CpuPageProperty.Unknown;
heap.MemoryPoolPreference = SharpDX.Direct3D12.MemoryPool.Unknown;
heap.CreationNodeMask = 0;
heap.VisibleNodeMask = 0;
SharpDX.Direct3D12.ResourceDescription desc;
desc.Dimension = SharpDX.Direct3D12.ResourceDimension.Buffer;
desc.Alignment = 0;
desc.Width = pitch * texDesc.Height * 4;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.Format = SharpDX.DXGI.Format.Unknown;
desc.SampleDescription = new SampleDescription {
Count = 1, Quality = 0
};
desc.Layout = SharpDX.Direct3D12.TextureLayout.RowMajor;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.None;
SharpDX.Direct3D12.Resource stagingTex = _dev.CreateCommittedResource(heap, SharpDX.Direct3D12.HeapFlags.None,
desc, SharpDX.Direct3D12.ResourceStates.CopyDestination, null);
SharpDX.Direct3D12.TextureCopyLocation copySrc = new SharpDX.Direct3D12.TextureCopyLocation(texture, 0);
SharpDX.Direct3D12.TextureCopyLocation copyDst = new SharpDX.Direct3D12.TextureCopyLocation(texture,
new SharpDX.Direct3D12.PlacedSubResourceFootprint
{
Offset = 0,
Footprint = new SharpDX.Direct3D12.SubResourceFootprint
{
Width = (int)texDesc.Width,
Height = (int)texDesc.Height,
Depth = 1,
RowPitch = (int)pitch,
Format = texDesc.Format
}
});
// Wait GPU completion
_commands.CopyTextureRegion(copyDst, 0, 0, 0, copySrc, null);
_commands.Close();
_queue.ExecuteCommandList(_commands);
WaitForGpu();
// Ensure image capture object is created with the appropriate size
if (_imageCapture == null || _imageCapture.Width != desc.Width || _imageCapture.Height != desc.Height)
{
_imageCapture = new ImageCapture((uint)desc.Width, (uint)desc.Height);
}
// Map and copy to image
byte[] dst = _imageCapture.Pixels;
IntPtr src = stagingTex.Map(0);
for (int i = 0; i < desc.Height; ++i)
{
int dstRow = i * (int)_imageCapture.Stride;
int srcRow = i * (int)pitch;
for (int j = 0; j < desc.Width; j++)
{
// RGBA -> BGRA
dst[dstRow + 4 * j + 2] = Noesis.Marshal.ReadByte(src, srcRow + 4 * j + 0);
dst[dstRow + 4 * j + 1] = Noesis.Marshal.ReadByte(src, srcRow + 4 * j + 1);
dst[dstRow + 4 * j + 0] = Noesis.Marshal.ReadByte(src, srcRow + 4 * j + 2);
dst[dstRow + 4 * j + 3] = Noesis.Marshal.ReadByte(src, srcRow + 4 * j + 3);
}
}
stagingTex.Unmap(0);
return(_imageCapture);
}
void CreateBuffers()
{
SharpDX.Direct3D12.CpuDescriptorHandle rtv = _heapRTV.CPUDescriptorHandleForHeapStart;
SharpDX.Direct3D12.HeapFlags flags = SharpDX.Direct3D12.HeapFlags.None;
_frameIndex = _swapChain.CurrentBackBufferIndex;
SharpDX.DXGI.SwapChainDescription1 swapChainDesc = _swapChain.Description1;
// TODO: Check ID3D12Device8 to enable D3D12_HEAP_FLAG_CREATE_NOT_ZEROED
SharpDX.Direct3D12.ResourceDescription desc = new SharpDX.Direct3D12.ResourceDescription();
desc.Dimension = SharpDX.Direct3D12.ResourceDimension.Texture2D;
desc.Alignment = 0;
desc.Width = swapChainDesc.Width;
desc.Height = swapChainDesc.Height;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDescription = _sampleDesc;
desc.Layout = SharpDX.Direct3D12.TextureLayout.Unknown;
SharpDX.Direct3D12.HeapProperties heap = new SharpDX.Direct3D12.HeapProperties();
heap.Type = SharpDX.Direct3D12.HeapType.Default;
heap.CPUPageProperty = SharpDX.Direct3D12.CpuPageProperty.Unknown;
heap.MemoryPoolPreference = SharpDX.Direct3D12.MemoryPool.Unknown;
heap.CreationNodeMask = 0;
heap.VisibleNodeMask = 0;
SharpDX.Direct3D12.ClearValue clearValue = new SharpDX.Direct3D12.ClearValue();
clearValue.Format = _format;
clearValue.Color = new SharpDX.Mathematics.Interop.RawVector4(0.0f, 0.0f, 0.0f, 0.0f);
for (int i = 0; i < FrameCount; i++)
{
desc.Format = _format;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowRenderTarget;
_backBuffers[i] = _swapChain.GetBackBuffer <SharpDX.Direct3D12.Resource>(i);
if (_sampleDesc.Count != 1)
{
_backBuffersAA[i] = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.ResolveSource, clearValue);
_dev.CreateRenderTargetView(_backBuffersAA[i], null, rtv);
}
else
{
SharpDX.Direct3D12.RenderTargetViewDescription view = new SharpDX.Direct3D12.RenderTargetViewDescription();
view.Format = _format;
view.Dimension = SharpDX.Direct3D12.RenderTargetViewDimension.Texture2D;
view.Texture2D.MipSlice = 0;
view.Texture2D.PlaneSlice = 0;
_dev.CreateRenderTargetView(_backBuffers[i], view, rtv);
}
rtv.Ptr += _sizeRTV;
}
// Stencil buffer
clearValue.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
clearValue.DepthStencil.Depth = 0.0f;
clearValue.DepthStencil.Stencil = 0;
desc.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowDepthStencil;
_stencilBuffer = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.DepthWrite, clearValue);
SharpDX.Direct3D12.CpuDescriptorHandle dsv = _heapDSV.CPUDescriptorHandleForHeapStart;
_dev.CreateDepthStencilView(_stencilBuffer, null, dsv);
// Viewport
_viewport[0].TopLeftX = 0.0f;
_viewport[0].TopLeftY = 0.0f;
_viewport[0].Width = desc.Width;
_viewport[0].Height = desc.Height;
_viewport[0].MinDepth = 0.0f;
_viewport[0].MaxDepth = 1.0f;
}
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);
}
private static TextureDescription ConvertFromNativeDescription(ResourceDescription description, bool isShaderResource = false)
{
var desc = new TextureDescription()
{
Dimension = TextureDimension.Texture2D,
Width = (int)description.Width,
Height = description.Height,
Depth = 1,
MultiSampleLevel = (MSAALevel)description.SampleDescription.Count,
Format = (PixelFormat)description.Format,
MipLevels = description.MipLevels,
Usage = GraphicsResourceUsage.Default,
ArraySize = description.DepthOrArraySize,
Flags = TextureFlags.None
};
if ((description.Flags & ResourceFlags.AllowRenderTarget) != 0)
desc.Flags |= TextureFlags.RenderTarget;
if ((description.Flags & ResourceFlags.AllowUnorderedAccess) != 0)
desc.Flags |= TextureFlags.UnorderedAccess;
if ((description.Flags & ResourceFlags.AllowDepthStencil) != 0)
desc.Flags |= TextureFlags.DepthStencil;
if ((description.Flags & ResourceFlags.DenyShaderResource) == 0 && isShaderResource)
desc.Flags |= TextureFlags.ShaderResource;
return desc;
}
