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