/// <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)
};
}
public void Unload()
{
PixelShader.Dispose();
VertexShader.Dispose();
TextureView.Dispose();
Sampler.Dispose();
BlendState.Dispose();
Texture2D.Dispose();
VertexBufferBinding.Buffer.Dispose();
VertexBuffer.Dispose();
Layout.Dispose();
ConstantBuffer.Dispose();
this.PixelShader = null;
this.VertexShader = null;
this.TextureView = null;
this.Sampler = null;
this.BlendState = null;
this.Texture2D = null;
this.VertexBufferBinding.Buffer = null;
this.VertexBuffer = null;
this.Layout = null;
this.ConstantBuffer = null;
}
public void Initialize(Device1 d3dDevice, DeviceContext1 d3dContext, int capacity = 1024)
{
m_d3dDevice = d3dDevice;
m_d3dContext = d3dContext;
m_capacity = capacity;
var path = Windows.ApplicationModel.Package.Current.InstalledLocation.Path;
var vertexShaderByteCode = NativeFile.ReadAllBytes(path + "\\Assets\\SpriteBatch.vs.cso");
m_vertexShader = new VertexShader(m_d3dDevice, vertexShaderByteCode);
m_pixelShader = new PixelShader(d3dDevice, NativeFile.ReadAllBytes(path + "\\Assets\\SpriteBatch.ps.cso"));
// Layout from VertexShader input signature
m_layout = new InputLayout(d3dDevice, vertexShaderByteCode, new[]
{
new InputElement("POSITION", 0, SharpDX.DXGI.Format.R32G32B32A32_Float,0,0),
new InputElement("TEXCOORD", 0, SharpDX.DXGI.Format.R32G32_Float, 16, 0),
new InputElement("COLOR", 0, SharpDX.DXGI.Format.R32G32B32A32_Float, 24, 0),
});
SamplerStateDescription samplerDesc = SharpDX.Direct3D11.SamplerStateDescription.Default();
m_sampler = new SamplerState(d3dDevice, samplerDesc);
//BlendStateDescription1 blendDesc = new BlendStateDescription1();
//blendDesc.AlphaToCoverageEnable = true; //set to true to get nice blending betweent sprites
//blendDesc.IndependentBlendEnable = false;
//blendDesc.RenderTarget[0].IsBlendEnabled = true;
//blendDesc.RenderTarget[0].IsLogicOperationEnabled = false;
//blendDesc.RenderTarget[0].SourceBlend = BlendOption.SourceColor;
//blendDesc.RenderTarget[0].DestinationBlend = BlendOption.SourceAlphaSaturate;
//blendDesc.RenderTarget[0].BlendOperation = BlendOperation.Add;
//blendDesc.RenderTarget[0].SourceAlphaBlend = BlendOption.One;
//blendDesc.RenderTarget[0].DestinationAlphaBlend = BlendOption.One
//blendDesc.RenderTarget[0].AlphaBlendOperation = BlendOperation.Maximum; // set to maximum to blend 2 sprites nicely over each other
//blendDesc.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
//m_blendStateAlpha = new BlendState1(d3dDevice, blendDesc);
var description = BlendStateDescription1.Default();
description.RenderTarget[0].IsBlendEnabled = true;
description.RenderTarget[0].SourceBlend = BlendOption.SourceAlpha;
description.RenderTarget[0].DestinationBlend = BlendOption.One;
description.RenderTarget[0].SourceAlphaBlend = BlendOption.SourceAlpha;
description.RenderTarget[0].DestinationAlphaBlend = BlendOption.One;
description.RenderTarget[0].BlendOperation = BlendOperation.Add;
description.RenderTarget[0].IsLogicOperationEnabled = false;
description.RenderTarget[0].AlphaBlendOperation = BlendOperation.Maximum;
description.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
description.AlphaToCoverageEnable = true; //<==RT DOES NOT WORK
description.IndependentBlendEnable = false;
m_blendStateAlpha = new BlendState1(d3dDevice, description);
//[BELOW] Windows RT this does not work
//var description = BlendStateDescription1.Default();
//description.RenderTarget[0].IsBlendEnabled = true;
//description.RenderTarget[0].SourceBlend = BlendOption.SourceColor;
//description.RenderTarget[0].DestinationBlend = BlendOption.SourceAlphaSaturate;
//description.RenderTarget[0].SourceAlphaBlend = BlendOption.One;
//description.RenderTarget[0].DestinationAlphaBlend = BlendOption.One;
//description.RenderTarget[0].BlendOperation = BlendOperation.Add;
//description.RenderTarget[0].IsLogicOperationEnabled = false;
//description.RenderTarget[0].AlphaBlendOperation = BlendOperation.Maximum;
//description.AlphaToCoverageEnable = true;
//description.IndependentBlendEnable = false;
//description.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
//m_blendStateAlpha = new BlendState1(d3dDevice, description);
m_constantBufferVS = ToDispose(new SharpDX.Direct3D11.Buffer(d3dDevice, Utilities.SizeOf<Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
m_constantBufferPS = ToDispose(new SharpDX.Direct3D11.Buffer(d3dDevice, Utilities.SizeOf<Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
//=======================
// Setup the pipeline
//=======================
m_vertices = ToDispose(BuildVerticesBuffer(d3dDevice, 1.0f, new Vector2(0, 1), new Vector2(0, 0), new Vector2(1, 0), new Vector2(1, 1)));
m_vertexBufferBinding = new VertexBufferBinding(m_vertices, sizeof(float) * 10, 0);
d3dContext.InputAssembler.SetVertexBuffers(0, m_vertexBufferBinding);
d3dContext.InputAssembler.InputLayout = m_layout;
d3dContext.InputAssembler.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList;
d3dContext.VertexShader.SetConstantBuffer(0, m_constantBufferVS);
d3dContext.VertexShader.Set(m_vertexShader);
d3dContext.PixelShader.SetConstantBuffer(0, m_constantBufferPS);
d3dContext.PixelShader.SetSampler(0, m_sampler);
d3dContext.PixelShader.Set(m_pixelShader);
d3dContext.OutputMerger.BlendState = m_blendStateAlpha; // m_blendStateAlpha, m_blendStateAdditive;
}