layout(binding=0) readonly texture2D src; | |
layout(binding=1) writeonly texture2D dest; | |
noinline void desaturate(readonlyTexture2D src, writeonlyTexture2D dest) { | |
half4 color = read(src, sk_ThreadPosition.xy); | |
color.rgb = half3(dot(color.rgb, half3(0.22, 0.67, 0.11))); | |
write(dest, sk_ThreadPosition.xy, color); | |
} | |
void main() { | |
if (sk_ThreadPosition.x < width(src) && sk_ThreadPosition.y < height(src)) { | |
desaturate(src, dest); | |
} | |
} |