public PICABlendFunction(uint Param)
{
ColorEquation = (PICABlendEquation)((Param >> 0) & 7);
AlphaEquation = (PICABlendEquation)((Param >> 8) & 7);
ColorSrcFunc = (PICABlendFunc)((Param >> 16) & 0xf);
ColorDstFunc = (PICABlendFunc)((Param >> 20) & 0xf);
AlphaSrcFunc = (PICABlendFunc)((Param >> 24) & 0xf);
AlphaDstFunc = (PICABlendFunc)((Param >> 28) & 0xf);
}
public static All ToBlendingFactor(this PICABlendFunc Func)
{
switch (Func)
{
case PICABlendFunc.Zero: return(All.Zero);
case PICABlendFunc.One: return(All.One);
case PICABlendFunc.SourceColor: return(All.SrcColor);
case PICABlendFunc.OneMinusSourceColor: return(All.OneMinusSrcColor);
case PICABlendFunc.DestinationColor: return(All.DstColor);
case PICABlendFunc.OneMinusDestinationColor: return(All.OneMinusDstColor);
case PICABlendFunc.SourceAlpha: return(All.SrcAlpha);
case PICABlendFunc.OneMinusSourceAlpha: return(All.OneMinusSrcAlpha);
case PICABlendFunc.DestinationAlpha: return(All.DstAlpha);
case PICABlendFunc.OneMinusDestinationAlpha: return(All.OneMinusDstAlpha);
case PICABlendFunc.ConstantColor: return(All.ConstantColor);
case PICABlendFunc.OneMinusConstantColor: return(All.OneMinusConstantColor);
case PICABlendFunc.ConstantAlpha: return(All.ConstantAlpha);
case PICABlendFunc.OneMinusConstantAlpha: return(All.OneMinusConstantAlpha);
case PICABlendFunc.SourceAlphaSaturate: return(All.SrcAlphaSaturate);
default: throw new ArgumentException("Invalid Blend function!");
}
}
private uint GetGLBlend(PICABlendFunc BlendFunc)
{
switch (BlendFunc)
{
case PICABlendFunc.Zero: return(0x0000);
case PICABlendFunc.One: return(0x0001);
case PICABlendFunc.SourceColor: return(0x0300);
case PICABlendFunc.OneMinusSourceColor: return(0x0301);
case PICABlendFunc.DestinationColor: return(0x0306);
case PICABlendFunc.OneMinusDestinationColor: return(0x0307);
case PICABlendFunc.SourceAlpha: return(0x0302);
case PICABlendFunc.OneMinusSourceAlpha: return(0x0303);
case PICABlendFunc.DestinationAlpha: return(0x0304);
case PICABlendFunc.OneMinusDestinationAlpha: return(0x0305);
case PICABlendFunc.ConstantColor: return(0x8001);
case PICABlendFunc.OneMinusConstantColor: return(0x8002);
case PICABlendFunc.ConstantAlpha: return(0x8003);
case PICABlendFunc.OneMinusConstantAlpha: return(0x8004);
case PICABlendFunc.SourceAlphaSaturate: return(0x0308);
}
return(0);
}
public static BlendingFactorDest ToBlendingFactorDest(this PICABlendFunc Func)
{
return((BlendingFactorDest)ToBlendingFactor(Func));
}
public static BlendingFactorSrc ToBlendingFactorSrc(this PICABlendFunc Func)
{
return((BlendingFactorSrc)ToBlendingFactor(Func));
}
