| ### Compilation failed: | |
| error: 1: 'in' is not permitted here | |
| in T { int x; }; | |
| ^^ | |
| error: 1: interface blocks are not allowed in this kind of program | |
| in T { int x; }; | |
| ^ | |
| error: 2: 'main' must return: 'vec4', 'float4', or 'half4' | |
| void main() { sk_FragCoord; } | |
| ^^^^^^^^^^^ | |
| 3 errors |