public BlendState(GraphicsDevice graphicsDevice, BlendStateInfo info)
: base(graphicsDevice, new StackTrace(1))
{
this.Info = info;
SharpDX.Direct3D11.BlendStateDescription desc = new SharpDX.Direct3D11.BlendStateDescription();
desc.AlphaToCoverageEnable = info.AlphaToCoverageEnable;
desc.IndependentBlendEnable = info.IndependentBlendEnable;
for (int i = 0; i < info.RenderTargets.Length; i++)
{
RTBlendInfo rtInfo = info.RenderTargets[i];
desc.RenderTarget[i] = new SharpDX.Direct3D11.RenderTargetBlendDescription()
{
IsBlendEnabled = rtInfo.IsBlendEnabled,
SourceBlend = EnumConverter.Convert(rtInfo.SrcBlend),
DestinationBlend = EnumConverter.Convert(rtInfo.DestBlend),
BlendOperation = EnumConverter.Convert(rtInfo.BlendOp),
SourceAlphaBlend = EnumConverter.Convert(rtInfo.SrcBlendAlpha),
DestinationAlphaBlend = EnumConverter.Convert(rtInfo.DestBlendAlpha),
AlphaBlendOperation = EnumConverter.Convert(rtInfo.BlendOpAlpha),
RenderTargetWriteMask = EnumConverter.Convert(rtInfo.RenderTargetWriteMask)
};
}
Handle = new SharpDX.Direct3D11.BlendState(graphicsDevice.Device, desc);
}
static BlendStateInfo()
{
var defaultState = new BlendStateInfo(1);
defaultState.AlphaToCoverageEnable = false;
defaultState.IndependentBlendEnable = false;
defaultState.RenderTargets[0].IsBlendEnabled = false;
defaultState.RenderTargets[0].SrcBlend = Blend.Zero;
defaultState.RenderTargets[0].DestBlend = Blend.Zero;
defaultState.RenderTargets[0].BlendOp = BlendOp.Add;
defaultState.RenderTargets[0].SrcBlendAlpha = Blend.One;
defaultState.RenderTargets[0].DestBlendAlpha = Blend.Zero;
defaultState.RenderTargets[0].BlendOpAlpha = BlendOp.Add;
defaultState.RenderTargets[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
Default = defaultState;
var add = new BlendStateInfo(1);
add.AlphaToCoverageEnable = false;
add.IndependentBlendEnable = false;
add.RenderTargets[0].IsBlendEnabled = true;
add.RenderTargets[0].SrcBlend = Blend.One;
add.RenderTargets[0].DestBlend = Blend.One;
add.RenderTargets[0].BlendOp = BlendOp.Add;
add.RenderTargets[0].SrcBlendAlpha = Blend.One;
add.RenderTargets[0].DestBlendAlpha = Blend.Zero;
add.RenderTargets[0].BlendOpAlpha = BlendOp.Add;
add.RenderTargets[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
Add = add;
var alphaBlend = new BlendStateInfo(1);
alphaBlend.AlphaToCoverageEnable = false;
alphaBlend.IndependentBlendEnable = false;
alphaBlend.RenderTargets[0].IsBlendEnabled = true;
alphaBlend.RenderTargets[0].SrcBlend = Blend.SrcAlpha;
alphaBlend.RenderTargets[0].DestBlend = Blend.InvSrcAlpha;
alphaBlend.RenderTargets[0].BlendOp = BlendOp.Add;
alphaBlend.RenderTargets[0].SrcBlendAlpha = Blend.SrcAlpha;
alphaBlend.RenderTargets[0].DestBlendAlpha = Blend.One;
alphaBlend.RenderTargets[0].BlendOpAlpha = BlendOp.Add;
alphaBlend.RenderTargets[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
AlphaBlend = alphaBlend;
}
public IBlendState CreateBlendState(BlendStateInfo info)
{
return(new BlendState(graphicsDevice, info));
}
internal BlendState(GraphicsDevice graphicsDevice, BlendStateInfo info)
: base(graphicsDevice, new StackTrace(1))
{
this.Info = info;
}