1### Compilation failed: 2 3error: 1: interface blocks are not allowed in this kind of program 4layout(binding=0) uniform testBlock { 5 ^^^^^^^^^ 6error: 8: 'main' must return: 'vec4', 'float4', or 'half4' 7void main() { 8^^^^^^^^^^^ 9error: 9: unknown identifier 'sk_FragColor' 10 sk_FragColor = half4(x, y[0], y[1], 0); 11 ^^^^^^^^^^^^ 12error: 9: unknown identifier 'x' 13 sk_FragColor = half4(x, y[0], y[1], 0); 14 ^ 15error: 9: unknown identifier 'y' 16 sk_FragColor = half4(x, y[0], y[1], 0); 17 ^ 18error: 9: unknown identifier 'y' 19 sk_FragColor = half4(x, y[0], y[1], 0); 20 ^ 216 errors 22