#include using namespace metal; struct tint_symbol { float4 value [[position]]; }; void refract_cbc1d2() { float3 res = refract(float3(), float3(), 1.0f); } vertex tint_symbol vertex_main() { refract_cbc1d2(); tint_symbol const tint_symbol_1 = {.value=float4()}; return tint_symbol_1; } fragment void fragment_main() { refract_cbc1d2(); return; } kernel void compute_main() { refract_cbc1d2(); return; }