1### Compilation failed: 2 3error: 1: interface blocks are not allowed in this kind of program 4layout(binding=456) uniform testBlock { 5 ^^^^^^^^^ 6error: 5: 'main' must return: 'vec4', 'float4', or 'half4' 7void main() { 8^^^^^^^^^^^ 9error: 6: unknown identifier 'sk_FragColor' 10 sk_FragColor = half4(half(test.x)); 11 ^^^^^^^^^^^^ 12error: 6: unknown identifier 'test' 13 sk_FragColor = half4(half(test.x)); 14 ^^^^ 154 errors 16