1STRINGIFY(
2
3// defines built-in interfaces supported by SkiaSL fragment shaders
4
5// See "enum SpvBuiltIn_" in ./spirv.h
6layout(builtin=15) in float4 sk_FragCoord;
7layout(builtin=17) in bool sk_Clockwise; // Similar to gl_FrontFacing, but defined in device space.
8layout(builtin=3) float sk_ClipDistance[1];
9layout(builtin=20) out int sk_SampleMask[1];
10
11// 9999 is a temporary value that causes us to ignore these declarations beyond
12// adding them to the symbol table. This works fine in GLSL (where they do not
13// require any further handling) but will fail in SPIR-V. We'll have a better
14// solution for this soon.
15layout(builtin=9999) out half4 gl_SecondaryFragColorEXT;
16
17layout(location=0,index=0,builtin=10001) out half4 sk_FragColor;
18layout(builtin=10008) half4 sk_LastFragColor;
19layout(builtin=10011) half sk_Width;
20layout(builtin=10012) half sk_Height;
21
22)
23