1*c8dee2aaSAndroid Build Coastguard Worker### Compilation failed: 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Workererror: 2: invalid type 4*c8dee2aaSAndroid Build Coastguard Workerlayout(binding=0) sampler2D s; 5*c8dee2aaSAndroid Build Coastguard Worker^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 6*c8dee2aaSAndroid Build Coastguard Workererror: 4: 'main' must return: 'vec4', 'float4', or 'half4' 7*c8dee2aaSAndroid Build Coastguard Workervoid main() { 8*c8dee2aaSAndroid Build Coastguard Worker^^^^^^^^^^^ 9*c8dee2aaSAndroid Build Coastguard Workererror: 6: unknown identifier 'sk_FragColor' 10*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor = 11*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^^ 12*c8dee2aaSAndroid Build Coastguard Workererror: 8: unknown identifier 'sample' 13*c8dee2aaSAndroid Build Coastguard Worker (tmpColor = sample(s, float2(1)), 14*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^ 15*c8dee2aaSAndroid Build Coastguard Workererror: 8: unknown identifier 's' 16*c8dee2aaSAndroid Build Coastguard Worker (tmpColor = sample(s, float2(1)), 17*c8dee2aaSAndroid Build Coastguard Worker ^ 18*c8dee2aaSAndroid Build Coastguard Worker5 errors 19