xref: /aosp_15_r20/external/skia/tests/sksl/folding/VectorVectorFolding.wgsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1diagnostic(off, derivative_uniformity);
2diagnostic(off, chromium.unreachable_code);
3struct _GlobalUniforms {
4  unknownInput: f32,
5  colorRed: vec4<f32>,
6  colorGreen: vec4<f32>,
7};
8@binding(0) @group(0) var<uniform> _globalUniforms: _GlobalUniforms;
9fn test_int_b() -> bool {
10  {
11    let unknown: i32 = i32(_globalUniforms.unknownInput);
12    var ok: bool = true;
13    ok = ok && all((vec4<i32>(0) / vec4<i32>(unknown)) == vec4<i32>(0));
14    var val: vec4<i32> = vec4<i32>(unknown);
15    val = val + vec4<i32>(1);
16    val = val - vec4<i32>(1);
17    val = val + vec4<i32>(1);
18    val = val - vec4<i32>(1);
19    ok = ok && all(val == vec4<i32>(unknown));
20    val = val * vec4<i32>(2);
21    val = val / vec4<i32>(2);
22    val = val * vec4<i32>(2);
23    val = val / vec4<i32>(2);
24    ok = ok && all(val == vec4<i32>(unknown));
25    return ok;
26  }
27}
28fn _skslMain(coords: vec2<f32>) -> vec4<f32> {
29  {
30    let _0_unknown: f32 = _globalUniforms.unknownInput;
31    var _1_ok: bool = true;
32    _1_ok = _1_ok && all((vec4<f32>(0.0) / vec4<f32>(_0_unknown)) == vec4<f32>(0.0));
33    var _2_val: vec4<f32> = vec4<f32>(_0_unknown);
34    _2_val = _2_val + vec4<f32>(1.0);
35    _2_val = _2_val - vec4<f32>(1.0);
36    _2_val = _2_val + vec4<f32>(1.0);
37    _2_val = _2_val - vec4<f32>(1.0);
38    _1_ok = _1_ok && all(_2_val == vec4<f32>(_0_unknown));
39    _2_val = _2_val * vec4<f32>(2.0);
40    _2_val = _2_val * vec4<f32>(0.5);
41    _2_val = _2_val * vec4<f32>(2.0);
42    _2_val = _2_val * vec4<f32>(0.5);
43    _1_ok = _1_ok && all(_2_val == vec4<f32>(_0_unknown));
44    var _skTemp0: vec4<f32>;
45    var _skTemp1: bool;
46    if _1_ok {
47      let _skTemp2 = test_int_b();
48      _skTemp1 = _skTemp2;
49    } else {
50      _skTemp1 = false;
51    }
52    if _skTemp1 {
53      _skTemp0 = _globalUniforms.colorGreen;
54    } else {
55      _skTemp0 = _globalUniforms.colorRed;
56    }
57    return _skTemp0;
58  }
59}
60@fragment fn main(@location(0) _coords: vec2<f32>) -> @location(0) vec4<f32> {
61  return _skslMain(_coords);
62}
63