1*c8dee2aaSAndroid Build Coastguard Worker### Compilation failed: 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Workererror: 3: 'main' must return: 'vec4', 'float4', or 'half4' 4*c8dee2aaSAndroid Build Coastguard Workervoid main() { 5*c8dee2aaSAndroid Build Coastguard Worker^^^^^^^^^^^ 6*c8dee2aaSAndroid Build Coastguard Workererror: 47: unknown identifier 'sk_FragColor' 7*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor.r = half(s) + half(i) + half(us) + half(ui) + half(h) + half(f) + half(s2s) + 8*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^^ 9*c8dee2aaSAndroid Build Coastguard Workererror: 51: unknown identifier 'sk_FragColor' 10*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor.r += half(ui2us) + half(h2us) + half(f2us) + half(b2us) + half(s2ui) + half(i2ui) + 11*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^^ 12*c8dee2aaSAndroid Build Coastguard Worker3 errors 13