1*c8dee2aaSAndroid Build Coastguard Worker### Compilation failed: 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Workererror: 1: 'main' must return: 'vec4', 'float4', or 'half4' 4*c8dee2aaSAndroid Build Coastguard Workeruniform float a; int b; void main() { sk_FragColor.x = half(ldexp(a, b)); } 5*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^ 6*c8dee2aaSAndroid Build Coastguard Workererror: 1: unknown identifier 'sk_FragColor' 7*c8dee2aaSAndroid Build Coastguard Workeruniform float a; int b; void main() { sk_FragColor.x = half(ldexp(a, b)); } 8*c8dee2aaSAndroid Build Coastguard Worker ^^^^^^^^^^^^ 9*c8dee2aaSAndroid Build Coastguard Workererror: 1: unknown identifier 'ldexp' 10*c8dee2aaSAndroid Build Coastguard Workeruniform float a; int b; void main() { sk_FragColor.x = half(ldexp(a, b)); } 11*c8dee2aaSAndroid Build Coastguard Worker ^^^^^ 12*c8dee2aaSAndroid Build Coastguard Worker3 errors 13