public static bool CallFragmentStage(ref Vertex vertex, int x, int y, out Color finallyColor)
{
ResetDiscard();
finallyColor = currentMaterial.CallFragmentStage(ref vertex);
// color blend
if (currentMaterial.blendEnbale)
{
finallyColor = BlendColor.Calculate(finallyColor, GetBufferColor(x, y),
currentMaterial.blendOp, currentMaterial.srcFactor, currentMaterial.destFactor, currentMaterial.srcFactorA, currentMaterial.destFactorA);
}
// alpha test
if (IsAlphaTestOn() && !AlphaTest.IsPass(currentMaterial.alphaTest, finallyColor.a, currentMaterial.alphaTestValue))
{
Discard();
}
if (IsDiscard())
{
return(false);
}
SetBufferColor(x, y, finallyColor);
// simple clamp color values to [0, 1]
finallyColor = Color.Saturate(finallyColor);
return(true);
}
