| layout(builtin=15) float4 sk_FragCoord; |
| |
| // Today, we continue to allow all versions of sample from any runtime effect. |
| // When shader and colorFilter are different program kinds, move these declarations into separate |
| // modules so that each stage can only see the permitted versions. |
| // Ultimately, these declarations can go away, when we support invoking children like functions |
| // (using the same arguments here, eg shader_name(coords) rather than sample(shader, coords)). |
| // skbug.com/11813 |
| |
| half4 sample(shader s); |
| half4 sample(shader s, float3x3 transform); |
| half4 sample(shader s, float2 coords); |
| |
| half4 sample(colorFilter f); |
