### Compilation failed: | |
error: 1: 'main' must return: 'vec4', 'float4', or 'half4' | |
void main() { | |
^^^^^^^^^^^ | |
error: 2: unknown identifier 'sk_FragColor' | |
sk_FragColor = half4(sk_Clockwise ? +1 : -1); | |
^^^^^^^^^^^^ | |
error: 2: unknown identifier 'sk_Clockwise' | |
sk_FragColor = half4(sk_Clockwise ? +1 : -1); | |
^^^^^^^^^^^^ | |
3 errors |