SKIP: FAILED Validation Failure: #include using namespace metal; void textureSampleCompare_dd431d() { float res = arg_0.sample_compare(arg_1, float2(), 1, 1.0f); } fragment void fragment_main() { textureSampleCompare_dd431d(); return; } tint_QVzgbg.metal:5:15: error: use of undeclared identifier 'arg_0' float res = arg_0.sample_compare(arg_1, float2(), 1, 1.0f); ^ tint_QVzgbg.metal:5:36: error: use of undeclared identifier 'arg_1' float res = arg_0.sample_compare(arg_1, float2(), 1, 1.0f); ^ 2 errors generated.