SKIP: FAILED #version 310 es precision mediump float; void dpdyFine_6eb673() { float res = ddy_fine(1.0f); } void fragment_main() { dpdyFine_6eb673(); return; } void main() { fragment_main(); } Error parsing GLSL shader: ERROR: 0:5: 'ddy_fine' : no matching overloaded function found ERROR: 0:5: '' : compilation terminated ERROR: 2 compilation errors. No code generated.