noMain.vert 0:3Function Definition: foo( (void) 0:3 Function Parameters: mains.frag ERROR: 0:7: 'main' : function already has a body ERROR: 1 compilation errors. No code generated. ERROR: node is still EOpNull! 0:3 Function Definition: main( (void) 0:3 Function Parameters: 0:7 Function Definition: main( (void) 0:7 Function Parameters: Linked vertex stage: ERROR: Missing entry point: Each stage requires one "void main()" entry point Linked fragment stage: ERROR: Too many entry points: Each stage can have at most one "void main()" entry point.