private static BlendingFactorDest SPRendererBlendFunctionToGLDest(RendererBlendFunction function)
{
switch (function)
{
case RendererBlendFunction.ZERO: return(BlendingFactorDest.Zero);
case RendererBlendFunction.ONE: return(BlendingFactorDest.One);
case RendererBlendFunction.SOURCE_ALPHA: return(BlendingFactorDest.SrcAlpha);
case RendererBlendFunction.DESTINATION_ALPHA: return(BlendingFactorDest.DstAlpha);
case RendererBlendFunction.ONE_MINUS_SOURCE_ALPHA: return(BlendingFactorDest.OneMinusSrcAlpha);
}
return(0);
}
public static void SetBlendEquation(RendererBlendFunction blendEquation)
{
instance.SetBlendEquationInternal(blendEquation);
}
public static void SetBlendFunction(RendererBlendFunction source, RendererBlendFunction destination)
{
instance.SetBlendFunctionInternal(source, destination);
}
protected abstract void SetBlendEquationInternal(RendererBlendFunction blendEquation);
protected abstract void SetBlendFunctionInternal(RendererBlendFunction source, RendererBlendFunction destination);
protected override void SetBlendFunctionInternal(RendererBlendFunction source, RendererBlendFunction destination)
{
Gl.BlendFunc(SPRendererBlendFunctionToGLSrc(source), SPRendererBlendFunctionToGLDest(destination));
}
protected override void SetBlendEquationInternal(RendererBlendFunction blendEquation)
{
throw new NotImplementedException();
}
