300layout.frag ERROR: 0:4: 'location qualifier on input' : not supported in this stage: fragment ERROR: 1 compilation errors. No code generated. ERROR: node is still EOpNull! 0:10 Function Definition: main( (void) 0:10 Function Parameters: 0:12 Sequence 0:12 move second child to first child (mediump 4-component vector of float) 0:12 'c' (layout(location=1 ) out mediump 4-component vector of float) 0:12 'color' (layout(location=2 ) smooth in mediump 4-component vector of float) 0:13 move second child to first child (mediump 4-component vector of float) 0:13 'p' (layout(location=3 ) out mediump 4-component vector of float) 0:13 'pos' (smooth in mediump 4-component vector of float) 0:14 move second child to first child (mediump 4-component vector of float) 0:14 direct index (layout(location=4 ) mediump 4-component vector of float) 0:14 'q' (layout(location=4 ) out 2-element array of mediump 4-component vector of float) 0:14 Constant: 0:14 1 (const int) 0:14 'pos' (smooth in mediump 4-component vector of float) 0:? Linker Objects 0:? 'pos' (smooth in mediump 4-component vector of float) 0:? 'color' (layout(location=2 ) smooth in mediump 4-component vector of float) 0:? 'c' (layout(location=1 ) out mediump 4-component vector of float) 0:? 'p' (layout(location=3 ) out mediump 4-component vector of float) 0:? 'q' (layout(location=4 ) out 2-element array of mediump 4-component vector of float) Linked fragment stage: