1*c8dee2aaSAndroid Build Coastguard Worker 2*c8dee2aaSAndroid Build Coastguard Workerlayout (location = 1) out int id; 3*c8dee2aaSAndroid Build Coastguard Workerint fn_i() { 4*c8dee2aaSAndroid Build Coastguard Worker return gl_VertexID; 5*c8dee2aaSAndroid Build Coastguard Worker} 6*c8dee2aaSAndroid Build Coastguard Workervoid main() { 7*c8dee2aaSAndroid Build Coastguard Worker id = fn_i(); 8*c8dee2aaSAndroid Build Coastguard Worker} 9