private static GraphicsPipelineStateDescription CreateGraphicsPipelineStateDescription(GraphicsDevice device, RootSignature rootSignature, InputElementDescription[] inputElements, byte[] vertexShader, byte[] pixelShader, byte[]?geometryShader, byte[]?hullShader, byte[]?domainShader)
{
RasterizerDescription rasterizerDescription = RasterizerDescription.CullNone;
rasterizerDescription.FrontCounterClockwise = true;
BlendDescription blendDescription = BlendDescription.AlphaBlend;
InputLayoutDescription inputLayoutDescription = new InputLayoutDescription(inputElements.Select(i => Unsafe.As <InputElementDescription, Vortice.Direct3D12.InputElementDescription>(ref i)).ToArray());
GraphicsPipelineStateDescription pipelineStateDescription = new GraphicsPipelineStateDescription
{
InputLayout = inputLayoutDescription,
RootSignature = rootSignature.NativeRootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
GeometryShader = geometryShader,
HullShader = hullShader,
DomainShader = domainShader,
RasterizerState = rasterizerDescription,
BlendState = blendDescription,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
StreamOutput = new StreamOutputDescription()
};
DepthStencilView?depthStencilBuffer = device.CommandList.DepthStencilBuffer;
if (depthStencilBuffer != null)
{
pipelineStateDescription.DepthStencilFormat = (Format)depthStencilBuffer.Resource.Description.Format;
}
Format[] renderTargetFormats = new Format[device.CommandList.RenderTargets.Length];
for (int i = 0; i < renderTargetFormats.Length; i++)
{
renderTargetFormats[i] = (Format)device.CommandList.RenderTargets[i].Resource.Description.Format;
}
pipelineStateDescription.RenderTargetFormats = renderTargetFormats;
return(pipelineStateDescription);
}
private static ComputePipelineStateDescription CreateComputePipelineStateDescription(RootSignature rootSignature, byte[] computeShader)
{
return(new ComputePipelineStateDescription
{
RootSignature = rootSignature.NativeRootSignature,
ComputeShader = computeShader
});
}
public PipelineState(GraphicsDevice device, RootSignature rootSignature, InputElementDescription[] inputElements, byte[] vertexShader, byte[] pixelShader, byte[]?geometryShader = default, byte[]?hullShader = default, byte[]?domainShader = default)
: this(device, rootSignature, CreateGraphicsPipelineStateDescription(device, rootSignature, inputElements, vertexShader, pixelShader, geometryShader, hullShader, domainShader))
{
}
internal PipelineState(GraphicsDevice device, RootSignature rootSignature, GraphicsPipelineStateDescription pipelineStateDescription)
{
IsCompute = false;
RootSignature = rootSignature;
NativePipelineState = device.NativeDevice.CreateGraphicsPipelineState(pipelineStateDescription);
}
public PipelineState(GraphicsDevice device, RootSignature rootSignature, byte[] computeShader)
: this(device, rootSignature, CreateComputePipelineStateDescription(rootSignature, computeShader))
{
}