MTLBlendFactor TranslateBlendFactor(MgBlendFactor factor)
{
switch (factor)
{
default:
throw new NotSupportedException();
case MgBlendFactor.ONE:
return(MTLBlendFactor.One);
case MgBlendFactor.ZERO:
return(MTLBlendFactor.Zero);
case MgBlendFactor.SRC_COLOR:
return(MTLBlendFactor.SourceColor);
case MgBlendFactor.SRC_ALPHA:
return(MTLBlendFactor.SourceAlpha);
case MgBlendFactor.DST_COLOR:
return(MTLBlendFactor.DestinationColor);
case MgBlendFactor.DST_ALPHA:
return(MTLBlendFactor.DestinationAlpha);
case MgBlendFactor.ONE_MINUS_SRC_COLOR:
return(MTLBlendFactor.OneMinusSourceColor);
case MgBlendFactor.ONE_MINUS_SRC_ALPHA:
return(MTLBlendFactor.OneMinusSourceAlpha);
case MgBlendFactor.ONE_MINUS_DST_COLOR:
return(MTLBlendFactor.OneMinusDestinationColor);
case MgBlendFactor.ONE_MINUS_DST_ALPHA:
return(MTLBlendFactor.OneMinusDestinationAlpha);
case MgBlendFactor.SRC_ALPHA_SATURATE:
return(MTLBlendFactor.SourceAlphaSaturated);
case MgBlendFactor.CONSTANT_COLOR:
return(MTLBlendFactor.BlendColor);
case MgBlendFactor.ONE_MINUS_CONSTANT_COLOR:
return(MTLBlendFactor.OneMinusBlendColor);
case MgBlendFactor.CONSTANT_ALPHA:
return(MTLBlendFactor.BlendAlpha);
case MgBlendFactor.ONE_MINUS_CONSTANT_ALPHA:
return(MTLBlendFactor.OneMinusBlendAlpha);
}
}
private BlendingFactorSrc GetBlendFactorSrc(MgBlendFactor blend)
{
switch (blend)
{
case MgBlendFactor.DST_ALPHA:
return(BlendingFactorSrc.DstAlpha);
case MgBlendFactor.DST_COLOR:
return(BlendingFactorSrc.DstColor);
case MgBlendFactor.ONE_MINUS_DST_ALPHA:
return(BlendingFactorSrc.OneMinusDstAlpha);
case MgBlendFactor.ONE_MINUS_DST_COLOR:
return(BlendingFactorSrc.OneMinusDstColor);
case MgBlendFactor.ONE_MINUS_SRC_ALPHA:
return(BlendingFactorSrc.OneMinusSrcAlpha);
case MgBlendFactor.ONE_MINUS_SRC_COLOR:
#if MONOMAC || WINDOWS || DESKTOPGL
return((BlendingFactorSrc)All.OneMinusSrcColor);
#else
return(BlendingFactorSrc.OneMinusSrcColor);
#endif
case MgBlendFactor.ONE:
return(BlendingFactorSrc.One);
case MgBlendFactor.SRC_ALPHA:
return(BlendingFactorSrc.SrcAlpha);
case MgBlendFactor.SRC_ALPHA_SATURATE:
return(BlendingFactorSrc.SrcAlphaSaturate);
case MgBlendFactor.SRC_COLOR:
#if MONOMAC || WINDOWS || DESKTOPGL
return((BlendingFactorSrc)All.SrcColor);
#else
return(BlendingFactorSrc.SrcColor);
#endif
case MgBlendFactor.ZERO:
return(BlendingFactorSrc.Zero);
default:
return(BlendingFactorSrc.One);
}
}
public void ApplyBlendSeparateFunction(uint index, MgBlendFactor srcColor, MgBlendFactor dstColor, MgBlendFactor srcAlpha, MgBlendFactor destAlpha)
{
GL.BlendFuncSeparate(
index,
GetBlendFactorSrc(srcColor),
GetBlendFactorDest(dstColor),
GetBlendFactorSrc(srcAlpha),
GetBlendFactorDest(destAlpha));
{
var error = GL.GetError();
if (error != ErrorCode.NoError)
{
Debug.WriteLine("ApplyBlendSeparateFunction : " + error);
}
}
}
private static BlendingFactorDest GetBlendFactorDest(MgBlendFactor blend)
{
switch (blend)
{
case MgBlendFactor.DST_ALPHA:
return(BlendingFactorDest.DstAlpha);
// case Blend.DestinationColor:
// return BlendingFactorDest.DstColor;
case MgBlendFactor.ONE_MINUS_DST_ALPHA:
return(BlendingFactorDest.OneMinusDstAlpha);
// case Blend.InverseDestinationColor:
// return BlendingFactorDest.OneMinusDstColor;
case MgBlendFactor.ONE_MINUS_SRC_ALPHA:
return(BlendingFactorDest.OneMinusSrcAlpha);
case MgBlendFactor.ONE_MINUS_SRC_COLOR:
#if MONOMAC || WINDOWS
return((BlendingFactorDest)All.OneMinusSrcColor);
#else
return(BlendingFactorDest.OneMinusSrcColor);
#endif
case MgBlendFactor.ONE:
return(BlendingFactorDest.One);
case MgBlendFactor.SRC_ALPHA:
return(BlendingFactorDest.SrcAlpha);
// case Blend.SourceAlphaSaturation:
// return BlendingFactorDest.SrcAlphaSaturate;
case MgBlendFactor.SRC_COLOR:
#if MONOMAC || WINDOWS
return((BlendingFactorDest)All.SrcColor);
#else
return(BlendingFactorDest.SrcColor);
#endif
case MgBlendFactor.ZERO:
return(BlendingFactorDest.Zero);
default:
return(BlendingFactorDest.One);
}
}
public void ApplyBlendSeparateFunction(uint index, MgBlendFactor colorSource, MgBlendFactor colorDest, MgBlendFactor alphaSource, MgBlendFactor alphaDest)
{
}
