1noMain.vert 2Shader version: 300 30:? Sequence 40:3 Function Definition: foo( ( global void) 50:3 Function Parameters: 60:? Linker Objects 70:? 'gl_VertexID' ( gl_VertexId highp int VertexId) 80:? 'gl_InstanceID' ( gl_InstanceId highp int InstanceId) 9 10mains.frag 11ERROR: 0:7: 'main' : function already has a body 12ERROR: 1 compilation errors. No code generated. 13 14 15Shader version: 300 16ERROR: node is still EOpNull! 170:3 Function Definition: main( ( global void) 180:3 Function Parameters: 190:7 Function Definition: main( ( global void) 200:7 Function Parameters: 210:? Linker Objects 22 23 24Linked vertex stage: 25 26ERROR: Linking vertex stage: Missing entry point: Each stage requires one entry point 27 28Linked fragment stage: 29 30 31Shader version: 300 320:? Sequence 330:? Linker Objects 340:? 'gl_VertexID' ( gl_VertexId highp int VertexId) 350:? 'gl_InstanceID' ( gl_InstanceId highp int InstanceId) 36Shader version: 300 37ERROR: node is still EOpNull! 380:3 Function Definition: main( ( global void) 390:3 Function Parameters: 400:7 Function Definition: main( ( global void) 410:7 Function Parameters: 420:? Linker Objects 43 44