xref: /aosp_15_r20/external/skia/tests/sksl/shared/OutParamsAreDistinctFromGlobal.wgsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1diagnostic(off, derivative_uniformity);
2diagnostic(off, chromium.unreachable_code);
3struct FSOut {
4  @location(0) sk_FragColor: vec4<f32>,
5};
6struct _GlobalUniforms {
7  colorGreen: vec4<f32>,
8  colorRed: vec4<f32>,
9};
10@binding(0) @group(0) var<uniform> _globalUniforms: _GlobalUniforms;
11var<private> x: f32 = 1.0;
12fn out_params_are_distinct_from_global_bh(y: ptr<function, f32>) -> bool {
13  {
14    (*y) = 2.0;
15    return (x == 1.0) && ((*y) == 2.0);
16  }
17}
18fn _skslMain(coords: vec2<f32>) -> vec4<f32> {
19  {
20    var _skTemp0: vec4<f32>;
21    var _skTemp1: f32;
22    let _skTemp2 = out_params_are_distinct_from_global_bh(&_skTemp1);
23    x = _skTemp1;
24    if _skTemp2 {
25      _skTemp0 = _globalUniforms.colorGreen;
26    } else {
27      _skTemp0 = _globalUniforms.colorRed;
28    }
29    return _skTemp0;
30  }
31}
32@fragment fn main() -> FSOut {
33  var _stageOut: FSOut;
34  _stageOut.sk_FragColor = _skslMain(/*fragcoord*/ vec2<f32>());
35  return _stageOut;
36}
37