noMain.vert
Shader version: 300
0:? Sequence
0:3  Function Definition: foo( (global void)
0:3    Function Parameters: 
0:?   Linker Objects
0:?     'gl_VertexID' (gl_VertexId highp int VertexId)
0:?     'gl_InstanceID' (gl_InstanceId highp int InstanceId)

mains.frag
ERROR: 0:7: 'main' : function already has a body 
ERROR: 1 compilation errors.  No code generated.


Shader version: 300
ERROR: node is still EOpNull!
0:3  Function Definition: main( (global void)
0:3    Function Parameters: 
0:7  Function Definition: main( (global void)
0:7    Function Parameters: 
0:?   Linker Objects


Linked vertex stage:

ERROR: Linking vertex stage: Missing entry point: Each stage requires one entry point

Linked fragment stage:


Shader version: 300
0:? Sequence
0:3  Function Definition: foo( (global void)
0:3    Function Parameters: 
0:?   Linker Objects
0:?     'gl_VertexID' (gl_VertexId highp int VertexId)
0:?     'gl_InstanceID' (gl_InstanceId highp int InstanceId)
Shader version: 300
ERROR: node is still EOpNull!
0:3  Function Definition: main( (global void)
0:3    Function Parameters: 
0:7  Function Definition: main( (global void)
0:7    Function Parameters: 
0:?   Linker Objects