xref: /aosp_15_r20/external/skia/tests/sksl/compute/DesaturateFunction.wgsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1diagnostic(off, derivative_uniformity);
2diagnostic(off, chromium.unreachable_code);
3struct CSIn {
4  @builtin(global_invocation_id) sk_GlobalInvocationID: vec3<u32>,
5};
6@group(0) @binding(0) var src: texture_2d<f32>;
7@group(0) @binding(1) var dest: texture_storage_2d<rgba32float, write>;
8fn desaturate_vTT(_stageIn: CSIn, src: texture_2d<f32>, dest: texture_storage_2d<rgba32float, write>) {
9  {
10    let _skTemp0 = _stageIn.sk_GlobalInvocationID.xy;
11    var color: vec4<f32> = textureLoad(src, _skTemp0, 0);
12    let _skTemp1 = dot(color.xyz, vec3<f32>(0.22, 0.67, 0.11));
13    color = vec4<f32>((vec3<f32>(_skTemp1)), color.w);
14    textureStore(dest, _stageIn.sk_GlobalInvocationID.xy, color);
15  }
16}
17fn _skslMain(_stageIn: CSIn) {
18  {
19    let _skTemp2 = textureDimensions(src);
20    let _skTemp3 = textureDimensions(src);
21    if (_stageIn.sk_GlobalInvocationID.x < _skTemp2.x) && (_stageIn.sk_GlobalInvocationID.y < _skTemp3.y) {
22      {
23        desaturate_vTT(_stageIn, src, dest);
24      }
25    }
26  }
27}
28@compute @workgroup_size(16, 16, 1) fn main(_stageIn: CSIn) {
29  _skslMain(_stageIn);
30}
31