| ### Compilation failed: | |
| error: 1: invalid type | |
| layout(binding=0) sampler2D t; | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| error: 4: unknown identifier 'sampleGrad' | |
| return sampleGrad(t, coords, dFdx(coords), dFdy(coords)); | |
| ^^^^^^^^^^ | |
| error: 4: unknown identifier 't' | |
| return sampleGrad(t, coords, dFdx(coords), dFdy(coords)); | |
| ^ | |
| 3 errors |