xref: /aosp_15_r20/external/skia/tests/sksl/shared/DoWhileControlFlow.wgsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Workerdiagnostic(off, derivative_uniformity);
2*c8dee2aaSAndroid Build Coastguard Workerdiagnostic(off, chromium.unreachable_code);
3*c8dee2aaSAndroid Build Coastguard Workerstruct FSOut {
4*c8dee2aaSAndroid Build Coastguard Worker  @location(0) sk_FragColor: vec4<f32>,
5*c8dee2aaSAndroid Build Coastguard Worker};
6*c8dee2aaSAndroid Build Coastguard Workerfn _skslMain(coords: vec2<f32>) -> vec4<f32> {
7*c8dee2aaSAndroid Build Coastguard Worker  {
8*c8dee2aaSAndroid Build Coastguard Worker    var x: vec4<f32> = vec4<f32>(1.0);
9*c8dee2aaSAndroid Build Coastguard Worker    loop {
10*c8dee2aaSAndroid Build Coastguard Worker      {
11*c8dee2aaSAndroid Build Coastguard Worker        x.x = x.x - 0.25;
12*c8dee2aaSAndroid Build Coastguard Worker        if x.x <= 0.0 {
13*c8dee2aaSAndroid Build Coastguard Worker          break;
14*c8dee2aaSAndroid Build Coastguard Worker        }
15*c8dee2aaSAndroid Build Coastguard Worker      }
16*c8dee2aaSAndroid Build Coastguard Worker      continuing {
17*c8dee2aaSAndroid Build Coastguard Worker        break if x.w != 1.0;
18*c8dee2aaSAndroid Build Coastguard Worker      }
19*c8dee2aaSAndroid Build Coastguard Worker    }
20*c8dee2aaSAndroid Build Coastguard Worker    loop {
21*c8dee2aaSAndroid Build Coastguard Worker      {
22*c8dee2aaSAndroid Build Coastguard Worker        x.z = x.z - 0.25;
23*c8dee2aaSAndroid Build Coastguard Worker        if x.w == 1.0 {
24*c8dee2aaSAndroid Build Coastguard Worker          continue;
25*c8dee2aaSAndroid Build Coastguard Worker        }
26*c8dee2aaSAndroid Build Coastguard Worker        x.y = 0.0;
27*c8dee2aaSAndroid Build Coastguard Worker      }
28*c8dee2aaSAndroid Build Coastguard Worker      continuing {
29*c8dee2aaSAndroid Build Coastguard Worker        break if x.z <= 0.0;
30*c8dee2aaSAndroid Build Coastguard Worker      }
31*c8dee2aaSAndroid Build Coastguard Worker    }
32*c8dee2aaSAndroid Build Coastguard Worker    return x;
33*c8dee2aaSAndroid Build Coastguard Worker  }
34*c8dee2aaSAndroid Build Coastguard Worker}
35*c8dee2aaSAndroid Build Coastguard Worker@fragment fn main() -> FSOut {
36*c8dee2aaSAndroid Build Coastguard Worker  var _stageOut: FSOut;
37*c8dee2aaSAndroid Build Coastguard Worker  _stageOut.sk_FragColor = _skslMain(/*fragcoord*/ vec2<f32>());
38*c8dee2aaSAndroid Build Coastguard Worker  return _stageOut;
39*c8dee2aaSAndroid Build Coastguard Worker}
40