static float4 sk_FragColor; struct SPIRV_Cross_Output { float4 sk_FragColor : SV_Target0; }; void frag_main() { do { sk_FragColor = 1.0f.xxxx; } while (false); } SPIRV_Cross_Output main() { frag_main(); SPIRV_Cross_Output stage_output; stage_output.sk_FragColor = sk_FragColor; return stage_output; }