1*c8dee2aaSAndroid Build Coastguard Worker### Compilation failed: 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Workererror: 1: invalid type 4*c8dee2aaSAndroid Build Coastguard Workerlayout(binding=0) sampler2D t; 5*c8dee2aaSAndroid Build Coastguard Worker^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 6*c8dee2aaSAndroid Build Coastguard Workererror: 4: unknown identifier 'sampleGrad' 7*c8dee2aaSAndroid Build Coastguard Worker return sampleGrad(t, coords, dFdx(coords), dFdy(coords)); 8*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^ 9*c8dee2aaSAndroid Build Coastguard Workererror: 4: unknown identifier 't' 10*c8dee2aaSAndroid Build Coastguard Worker return sampleGrad(t, coords, dFdx(coords), dFdy(coords)); 11*c8dee2aaSAndroid Build Coastguard Worker ^ 12*c8dee2aaSAndroid Build Coastguard Worker3 errors 13