diagnostic(off, derivative_uniformity); diagnostic(off, chromium.unreachable_code); struct FSIn { @builtin(position) sk_FragCoord: vec4, }; struct FSOut { @location(0) sk_FragColor: vec4, }; fn _skslMain(_stageIn: FSIn, _stageOut: ptr) { { (*_stageOut).sk_FragColor = vec4((vec2(_stageIn.sk_FragCoord.yx)), (*_stageOut).sk_FragColor.zw); } } @fragment fn main(_stageIn: FSIn) -> FSOut { var _stageOut: FSOut; _skslMain(_stageIn, &_stageOut); return _stageOut; }