### Compilation failed:

error: 1: interface blocks are not allowed in this kind of program
layout(binding=123) uniform testBlock {
                            ^^^^^^^^^
error: 8: 'main' must return: 'vec4', 'float4', or 'half4'
void main() {
^^^^^^^^^^^
error: 9: unknown identifier 'sk_FragColor'
    sk_FragColor = half4(test[0].s, test[1].m[1][0], test[0].a[1], test[1].am[1][0][1]);
    ^^^^^^^^^^^^
error: 9: unknown identifier 'test'
    sk_FragColor = half4(test[0].s, test[1].m[1][0], test[0].a[1], test[1].am[1][0][1]);
                         ^^^^
error: 9: unknown identifier 'test'
    sk_FragColor = half4(test[0].s, test[1].m[1][0], test[0].a[1], test[1].am[1][0][1]);
                                    ^^^^
error: 9: unknown identifier 'test'
    sk_FragColor = half4(test[0].s, test[1].m[1][0], test[0].a[1], test[1].am[1][0][1]);
                                                     ^^^^
error: 9: unknown identifier 'test'
    sk_FragColor = half4(test[0].s, test[1].m[1][0], test[0].a[1], test[1].am[1][0][1]);
                                                                   ^^^^
7 errors