1*c8dee2aaSAndroid Build Coastguard Workerlayout(binding=0) sampler2D t; 2*c8dee2aaSAndroid Build Coastguard Workerhalf4 main(float2 coords) 3*c8dee2aaSAndroid Build Coastguard Worker{ 4*c8dee2aaSAndroid Build Coastguard Worker return sampleGrad(t, coords, dFdx(coords), dFdy(coords)); 5*c8dee2aaSAndroid Build Coastguard Worker} 6