| uniform shader child; | |
| half4 main(float2 xy) { | |
| half4 color = child.eval(xy); | |
| color.rgb = toLinearSrgb(color.rgb); | |
| // Alter the color so that the back-and-forth conversions are meaningful. | |
| color.br = color.rb * 0.75; | |
| return half4(fromLinearSrgb(color.rgb), color.a); | |
| } |