public ID3D12PipelineState GetState(GraphicsDevice device, PSODesc desc, RootSignature rootSignature)
{
foreach (var psoCombind in PSOCombinds)
{
if (psoCombind.PSODesc == desc && psoCombind.rootSignature == rootSignature)
{
if (psoCombind.pipelineState == null)
{
throw new Exception("pipeline state error");
}
return(psoCombind.pipelineState);
}
}
InputLayoutDescription inputLayoutDescription;
if (device.inputLayouts.TryGetValue(desc.InputLayout, out inputLayoutDescription))
{
}
else
{
inputLayoutDescription = new InputLayoutDescription(new InputElementDescription("POSITION", 0, Format.R32G32B32_Float, 0));
}
GraphicsPipelineStateDescription graphicsPipelineStateDescription = new GraphicsPipelineStateDescription();
graphicsPipelineStateDescription.RootSignature = rootSignature.rootSignature;
graphicsPipelineStateDescription.VertexShader = vertexShader;
graphicsPipelineStateDescription.GeometryShader = geometryShader;
graphicsPipelineStateDescription.PixelShader = pixelShader;
graphicsPipelineStateDescription.PrimitiveTopologyType = PrimitiveTopologyType.Triangle;
graphicsPipelineStateDescription.InputLayout = inputLayoutDescription;
graphicsPipelineStateDescription.DepthStencilFormat = desc.DepthStencilFormat;
graphicsPipelineStateDescription.RenderTargetFormats = new Format[desc.RenderTargetCount];
Array.Fill(graphicsPipelineStateDescription.RenderTargetFormats, desc.RenderTargetFormat);
if (desc.BlendState == "Alpha")
{
graphicsPipelineStateDescription.BlendState = blendStateAlpha();
}
else if (desc.BlendState == "Add")
{
graphicsPipelineStateDescription.BlendState = BlendDescription.Additive;
}
else
{
graphicsPipelineStateDescription.BlendState = BlendDescription.Opaque;
}
graphicsPipelineStateDescription.DepthStencilState = new DepthStencilDescription(desc.DepthStencilFormat != Format.Unknown, desc.DepthStencilFormat != Format.Unknown);
graphicsPipelineStateDescription.SampleMask = uint.MaxValue;
var RasterizerState = new RasterizerDescription(CullMode.None, FillMode.Solid);
RasterizerState.DepthBias = desc.DepthBias;
RasterizerState.SlopeScaledDepthBias = desc.SlopeScaledDepthBias;
graphicsPipelineStateDescription.RasterizerState = RasterizerState;
var pipelineState = device.device.CreateGraphicsPipelineState <ID3D12PipelineState>(graphicsPipelineStateDescription);
if (pipelineState == null)
{
throw new Exception("pipeline state error");
}
PSOCombinds.Add(new PSOCombind {
PSODesc = desc, pipelineState = pipelineState, rootSignature = rootSignature
});
return(pipelineState);
}
public void SetComputeRootSignature(RootSignature rootSignature)
{
currentRootSignature = rootSignature;
commandList.SetComputeRootSignature(rootSignature.rootSignature);
}
public void CreateRootSignature(RootSignature rootSignature, IList <RootSignatureParamP> types)
{
//static samplers
StaticSamplerDescription[] samplerDescription = new StaticSamplerDescription[4];
samplerDescription[0] = new StaticSamplerDescription(ShaderVisibility.All, 0, 0)
{
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
BorderColor = StaticBorderColor.OpaqueBlack,
ComparisonFunction = ComparisonFunction.Never,
Filter = Filter.MinMagMipLinear,
MipLODBias = 0,
MaxAnisotropy = 0,
MinLOD = 0,
MaxLOD = float.MaxValue,
ShaderVisibility = ShaderVisibility.All,
RegisterSpace = 0,
ShaderRegister = 0,
};
samplerDescription[1] = samplerDescription[0];
samplerDescription[2] = samplerDescription[0];
samplerDescription[3] = samplerDescription[0];
samplerDescription[1].ShaderRegister = 1;
samplerDescription[2].ShaderRegister = 2;
samplerDescription[3].ShaderRegister = 3;
samplerDescription[1].MaxAnisotropy = 16;
samplerDescription[1].Filter = Filter.Anisotropic;
samplerDescription[2].ComparisonFunction = ComparisonFunction.Less;
samplerDescription[2].Filter = Filter.ComparisonMinMagMipLinear;
samplerDescription[3].Filter = Filter.MinMagMipPoint;
RootParameter1[] rootParameters = new RootParameter1[types.Count];
int cbvCount = 0;
int srvCount = 0;
int uavCount = 0;
rootSignature.cbv.Clear();
rootSignature.srv.Clear();
rootSignature.uav.Clear();
for (int i = 0; i < types.Count; i++)
{
RootSignatureParamP t = types[i];
switch (t)
{
case RootSignatureParamP.CBV:
rootParameters[i] = new RootParameter1(RootParameterType.ConstantBufferView, new RootDescriptor1(cbvCount, 0), ShaderVisibility.All);
rootSignature.cbv[cbvCount] = i;
cbvCount++;
break;
case RootSignatureParamP.SRV:
rootParameters[i] = new RootParameter1(RootParameterType.ShaderResourceView, new RootDescriptor1(srvCount, 0), ShaderVisibility.All);
rootSignature.srv[srvCount] = i;
srvCount++;
break;
case RootSignatureParamP.UAV:
rootParameters[i] = new RootParameter1(RootParameterType.UnorderedAccessView, new RootDescriptor1(uavCount, 0), ShaderVisibility.All);
rootSignature.uav[uavCount] = i;
uavCount++;
break;
case RootSignatureParamP.CBVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ConstantBufferView, 1, cbvCount)), ShaderVisibility.All);
rootSignature.cbv[cbvCount] = i;
cbvCount++;
break;
case RootSignatureParamP.SRVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.ShaderResourceView, 1, srvCount)), ShaderVisibility.All);
rootSignature.srv[srvCount] = i;
srvCount++;
break;
case RootSignatureParamP.UAVTable:
rootParameters[i] = new RootParameter1(new RootDescriptorTable1(new DescriptorRange1(DescriptorRangeType.UnorderedAccessView, 1, uavCount)), ShaderVisibility.All);
rootSignature.uav[uavCount] = i;
uavCount++;
break;
}
}
RootSignatureDescription1 rootSignatureDescription = new RootSignatureDescription1();
rootSignatureDescription.StaticSamplers = samplerDescription;
rootSignatureDescription.Flags = RootSignatureFlags.AllowInputAssemblerInputLayout;
rootSignatureDescription.Parameters = rootParameters;
rootSignature.rootSignature = device.CreateRootSignature <ID3D12RootSignature>(0, rootSignatureDescription);
}
public void SetRootSignature(RootSignature rootSignature)
{
currentRootSignature = rootSignature;
commandList.SetGraphicsRootSignature(rootSignature.rootSignature);
}