#include <metal_stdlib> using namespace metal; void tint_symbol_inner(float4 position, bool front_facing, uint sample_index, uint sample_mask) { if (front_facing) { float4 const foo = position; uint const bar = (sample_index + sample_mask); } } fragment void tint_symbol(float4 position [[position]], bool front_facing [[front_facing]], uint sample_index [[sample_id]], uint sample_mask [[sample_mask]]) { tint_symbol_inner(position, front_facing, sample_index, sample_mask); return; }