SKIP: FAILED #version 310 es precision mediump float; void main_1() { vec2 x_1 = vec2(50.0f, 60.0f); vec2 x_2 = ddy_fine(x_1); return; } void tint_symbol() { main_1(); return; } void main() { tint_symbol(); } Error parsing GLSL shader: ERROR: 0:6: 'ddy_fine' : no matching overloaded function found ERROR: 0:6: '=' : cannot convert from ' const float' to ' temp mediump 2-component vector of float' ERROR: 0:6: '' : compilation terminated ERROR: 3 compilation errors. No code generated.