| // defines built-in interfaces supported by SkiaSL fragment shaders | |
| // See "enum SpvBuiltIn_" in ./spirv.h | |
| layout(builtin=15) in float4 sk_FragCoord; | |
| layout(builtin=17) in bool sk_Clockwise; // Similar to gl_FrontFacing, but defined in device space. | |
| layout(location=0,index=0,builtin=10001) out half4 sk_FragColor; | |
| layout(builtin=10008) half4 sk_LastFragColor; | |
| layout(builtin=10012) out half4 sk_SecondaryFragColor; |