34 lines
971 B
HLSL
34 lines
971 B
HLSL
|
#ifndef POI_DITHERING
|
||
|
|
#define POI_DITHERING
|
||
|
|
fixed _DitheringEnabled;
|
||
|
|
fixed _DitherGradient;
|
||
|
|
|
||
|
|
half calcDither(half2 grabPos)
|
||
|
|
{
|
||
|
|
half dither = Dither8x8Bayer(fmod(grabPos.x, 8), fmod(grabPos.y, 8));
|
||
|
|
return dither;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef POI_SHADOW
|
||
|
|
void applyDithering(inout float4 finalColor)
|
||
|
|
{
|
||
|
|
UNITY_BRANCH
|
||
|
|
if (_DitheringEnabled)
|
||
|
|
{
|
||
|
|
half dither = calcDither(poiCam.screenUV.xy);
|
||
|
|
finalColor.a = finalColor.a - (dither * (1 - finalColor.a) * _DitherGradient);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
void applyShadowDithering(inout float alpha, float2 screenUV)
|
||
|
|
{
|
||
|
|
UNITY_BRANCH
|
||
|
|
if(_DitheringEnabled)
|
||
|
|
{
|
||
|
|
half dither = calcDither(screenUV);
|
||
|
|
alpha = alpha - (dither * (1 - alpha) * _DitherGradient);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|