/// <summary>
/// Function to copy the contents of a pipeline state to another pipeline state.
/// </summary>
/// <param name="pipelineState">The pipeline state to copy.</param>
internal void CopyTo(GorgonPipelineState pipelineState)
{
if (RasterState != null)
{
if (pipelineState.RasterState == null)
{
pipelineState.RasterState = new GorgonRasterState();
}
pipelineState.RasterState.IsAntialiasedLineEnabled = RasterState.IsAntialiasedLineEnabled;
pipelineState.RasterState.CullMode = RasterState.CullMode;
pipelineState.RasterState.DepthBias = RasterState.DepthBias;
pipelineState.RasterState.DepthBiasClamp = RasterState.DepthBiasClamp;
pipelineState.RasterState.IsDepthClippingEnabled = RasterState.IsDepthClippingEnabled;
pipelineState.RasterState.FillMode = RasterState.FillMode;
pipelineState.RasterState.ForcedReadWriteViewSampleCount = RasterState.ForcedReadWriteViewSampleCount;
pipelineState.RasterState.IsFrontCounterClockwise = RasterState.IsFrontCounterClockwise;
pipelineState.RasterState.IsMultisamplingEnabled = RasterState.IsMultisamplingEnabled;
pipelineState.RasterState.RwScissorRectangles.AddRange(RasterState.RwScissorRectangles);
pipelineState.RasterState.SlopeScaledDepthBias = RasterState.SlopeScaledDepthBias;
pipelineState.RasterState.UseConservativeRasterization = RasterState.UseConservativeRasterization;
}
if (DepthStencilState != null)
{
if (pipelineState.DepthStencilState == null)
{
pipelineState.DepthStencilState = new GorgonDepthStencilState();
}
pipelineState.DepthStencilState.BackFaceStencilOp.Comparison = DepthStencilState.BackFaceStencilOp.Comparison;
pipelineState.DepthStencilState.BackFaceStencilOp.DepthFailOperation = DepthStencilState.BackFaceStencilOp.DepthFailOperation;
pipelineState.DepthStencilState.BackFaceStencilOp.FailOperation = DepthStencilState.BackFaceStencilOp.FailOperation;
pipelineState.DepthStencilState.BackFaceStencilOp.PassOperation = DepthStencilState.BackFaceStencilOp.PassOperation;
pipelineState.DepthStencilState.FrontFaceStencilOp.Comparison = DepthStencilState.FrontFaceStencilOp.Comparison;
pipelineState.DepthStencilState.FrontFaceStencilOp.DepthFailOperation = DepthStencilState.FrontFaceStencilOp.DepthFailOperation;
pipelineState.DepthStencilState.FrontFaceStencilOp.FailOperation = DepthStencilState.FrontFaceStencilOp.FailOperation;
pipelineState.DepthStencilState.FrontFaceStencilOp.PassOperation = DepthStencilState.FrontFaceStencilOp.PassOperation;
pipelineState.DepthStencilState.DepthComparison = DepthStencilState.DepthComparison;
pipelineState.DepthStencilState.IsDepthWriteEnabled = DepthStencilState.IsDepthWriteEnabled;
pipelineState.DepthStencilState.IsDepthEnabled = DepthStencilState.IsDepthEnabled;
pipelineState.DepthStencilState.IsStencilEnabled = DepthStencilState.IsStencilEnabled;
pipelineState.DepthStencilState.StencilReadMask = DepthStencilState.StencilReadMask;
pipelineState.DepthStencilState.StencilWriteMask = DepthStencilState.StencilWriteMask;
}
pipelineState.IsIndependentBlendingEnabled = IsIndependentBlendingEnabled;
pipelineState.IsAlphaToCoverageEnabled = IsAlphaToCoverageEnabled;
pipelineState.PixelShader = PixelShader;
pipelineState.VertexShader = VertexShader;
pipelineState.GeometryShader = GeometryShader;
pipelineState.DomainShader = DomainShader;
pipelineState.HullShader = HullShader;
pipelineState.PrimitiveType = PrimitiveType;
RwBlendStates.CopyTo(pipelineState.RwBlendStates);
}
/// <summary>
/// Function to build the D3D11 blend state.
/// </summary>
/// <param name="device">The device used to create the blend state.</param>
internal void BuildD3D11BlendState(D3D11.Device5 device)
{
Debug.Assert(D3DBlendState == null, "D3D Blend state already assigned to this pipeline state.");
(int start, int count) = RwBlendStates.GetDirtyItems();
var desc = new D3D11.BlendStateDescription1
{
AlphaToCoverageEnable = IsAlphaToCoverageEnabled,
IndependentBlendEnable = IsIndependentBlendingEnabled
};
for (int i = 0; i < count; ++i)
{
GorgonBlendState state = RwBlendStates[start + i];
if (state == null)
{
continue;
}
desc.RenderTarget[i] = new D3D11.RenderTargetBlendDescription1
{
AlphaBlendOperation = (D3D11.BlendOperation)state.AlphaBlendOperation,
BlendOperation = (D3D11.BlendOperation)state.ColorBlendOperation,
IsLogicOperationEnabled = state.LogicOperation != LogicOperation.Noop,
IsBlendEnabled = state.IsBlendingEnabled,
RenderTargetWriteMask = (D3D11.ColorWriteMaskFlags)state.WriteMask,
LogicOperation = (D3D11.LogicOperation)state.LogicOperation,
SourceAlphaBlend = (D3D11.BlendOption)state.SourceAlphaBlend,
SourceBlend = (D3D11.BlendOption)state.SourceColorBlend,
DestinationAlphaBlend = (D3D11.BlendOption)state.DestinationAlphaBlend,
DestinationBlend = (D3D11.BlendOption)state.DestinationColorBlend
};
}
for (int i = count; i < D3D11.OutputMergerStage.SimultaneousRenderTargetCount; ++i)
{
desc.RenderTarget[i] = new D3D11.RenderTargetBlendDescription1
{
AlphaBlendOperation = D3D11.BlendOperation.Add,
BlendOperation = D3D11.BlendOperation.Add,
IsLogicOperationEnabled = false,
IsBlendEnabled = false,
RenderTargetWriteMask = D3D11.ColorWriteMaskFlags.All,
LogicOperation = D3D11.LogicOperation.Noop,
SourceAlphaBlend = D3D11.BlendOption.One,
SourceBlend = D3D11.BlendOption.One,
DestinationAlphaBlend = D3D11.BlendOption.Zero,
DestinationBlend = D3D11.BlendOption.Zero
};
}
D3DBlendState = new D3D11.BlendState1(device, desc)
{
DebugName = nameof(GorgonBlendState)
};
}
/// <summary>
/// Function to clear the pipeline state.
/// </summary>
internal void Clear()
{
D3DBlendState = null;
D3DDepthStencilState = null;
D3DRasterState = null;
RasterState = null;
DepthStencilState = null;
IsIndependentBlendingEnabled = false;
IsAlphaToCoverageEnabled = false;
PixelShader = null;
VertexShader = null;
GeometryShader = null;
DomainShader = null;
HullShader = null;
PrimitiveType = PrimitiveType.None;
RwBlendStates.Clear();
}
