420.frag
Warning, version 420 is not yet complete; most version-specific features are present, but some are missing.
ERROR: 0:4: 'redeclaration' : all redeclarations must use the same depth layout on gl_FragDepth
ERROR: 0:11: 'layout qualifier' : can only apply depth layout to gl_FragDepth 
ERROR: 0:12: 'gl_FragDepth' : cannot redeclare after use 
ERROR: 3 compilation errors.  No code generated.


Shader version: 420
using depth_any
ERROR: node is still EOpNull!
0:6  Function Definition: main( (global void)
0:6    Function Parameters: 
0:8    Sequence
0:8      move second child to first child (temp float)
0:8        'gl_FragDepth' (gl_FragDepth float FragDepth)
0:8        Constant:
0:8          0.300000
0:?   Linker Objects
0:?     'gl_FragDepth' (gl_FragDepth float FragDepth)
0:?     'gl_FragDepth' (gl_FragDepth float FragDepth)
0:?     'depth' (smooth in float)


Linked fragment stage:


Shader version: 420
using depth_any
ERROR: node is still EOpNull!
0:6  Function Definition: main( (global void)
0:6    Function Parameters: 
0:8    Sequence
0:8      move second child to first child (temp float)
0:8        'gl_FragDepth' (gl_FragDepth float FragDepth)
0:8        Constant:
0:8          0.300000
0:?   Linker Objects
0:?     'gl_FragDepth' (gl_FragDepth float FragDepth)
0:?     'gl_FragDepth' (gl_FragDepth float FragDepth)
0:?     'depth' (smooth in float)