private ID3D11BlendState CreateNewBlendState(ref BlendStateDescription description)
{
BlendAttachmentDescription[] attachmentStates = description.AttachmentStates;
Vortice.Direct3D11.BlendDescription d3dBlendStateDesc = new Vortice.Direct3D11.BlendDescription();
for (int i = 0; i < attachmentStates.Length; i++)
{
BlendAttachmentDescription state = attachmentStates[i];
d3dBlendStateDesc.RenderTarget[i].IsBlendEnabled = state.BlendEnabled;
d3dBlendStateDesc.RenderTarget[i].RenderTargetWriteMask = ColorWriteEnable.All;
d3dBlendStateDesc.RenderTarget[i].SourceBlend = D3D11Formats.VdToD3D11Blend(state.SourceColorFactor);
d3dBlendStateDesc.RenderTarget[i].DestinationBlend = D3D11Formats.VdToD3D11Blend(state.DestinationColorFactor);
d3dBlendStateDesc.RenderTarget[i].BlendOperation = D3D11Formats.VdToD3D11BlendOperation(state.ColorFunction);
d3dBlendStateDesc.RenderTarget[i].SourceBlendAlpha = D3D11Formats.VdToD3D11Blend(state.SourceAlphaFactor);
d3dBlendStateDesc.RenderTarget[i].DestinationBlendAlpha = D3D11Formats.VdToD3D11Blend(state.DestinationAlphaFactor);
d3dBlendStateDesc.RenderTarget[i].BlendOperationAlpha = D3D11Formats.VdToD3D11BlendOperation(state.AlphaFunction);
}
d3dBlendStateDesc.AlphaToCoverageEnable = description.AlphaToCoverageEnabled;
return(_device.CreateBlendState(d3dBlendStateDesc));
}