1*c8dee2aaSAndroid Build Coastguard Worker### Compilation failed: 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Workererror: 3: invalid type 4*c8dee2aaSAndroid Build Coastguard Workerlayout(binding=0) sampler2D s; 5*c8dee2aaSAndroid Build Coastguard Worker^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 6*c8dee2aaSAndroid Build Coastguard Workererror: 5: '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 'sample' 10*c8dee2aaSAndroid Build Coastguard Worker float4 a = sample(s, float2(0)); 11*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^ 12*c8dee2aaSAndroid Build Coastguard Workererror: 6: unknown identifier 's' 13*c8dee2aaSAndroid Build Coastguard Worker float4 a = sample(s, float2(0)); 14*c8dee2aaSAndroid Build Coastguard Worker ^ 15*c8dee2aaSAndroid Build Coastguard Workererror: 7: unknown identifier 'sample' 16*c8dee2aaSAndroid Build Coastguard Worker float4 b = sample(s, float3(0)); 17*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^ 18*c8dee2aaSAndroid Build Coastguard Workererror: 7: unknown identifier 's' 19*c8dee2aaSAndroid Build Coastguard Worker float4 b = sample(s, float3(0)); 20*c8dee2aaSAndroid Build Coastguard Worker ^ 21*c8dee2aaSAndroid Build Coastguard Workererror: 8: unknown identifier 'sk_FragColor' 22*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor = half4(half2(a.xy), half2(b.xy)); 23*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^^ 24*c8dee2aaSAndroid Build Coastguard Workererror: 8: unknown identifier 'a' 25*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor = half4(half2(a.xy), half2(b.xy)); 26*c8dee2aaSAndroid Build Coastguard Worker ^ 27*c8dee2aaSAndroid Build Coastguard Workererror: 8: unknown identifier 'b' 28*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor = half4(half2(a.xy), half2(b.xy)); 29*c8dee2aaSAndroid Build Coastguard Worker ^ 30*c8dee2aaSAndroid Build Coastguard Worker9 errors 31