1// Consolidates the alternating ShapeCombine outputs into AnimWaves.
2
3const LOD_COUNT: u32 = 5u;
4
5@group(0) @binding(0) var scratch_a: texture_2d_array<f32>;
6@group(0) @binding(1) var scratch_b: texture_2d_array<f32>;
7@group(0) @binding(2) var output: texture_storage_2d_array<rgba16float, write>;
8
9@compute @workgroup_size(8, 8, 1)
10fn gather(@builtin(global_invocation_id) id: vec3<u32>) {
11    if any(id.xy >= vec2<u32>(256u)) || id.z >= LOD_COUNT {
12        return;
13    }
14    let value = select(
15        textureLoad(scratch_a, vec2<i32>(id.xy), i32(id.z), 0),
16        textureLoad(scratch_b, vec2<i32>(id.xy), i32(id.z), 0),
17        id.z % 2u == 0u,
18    );
19    textureStore(output, vec2<i32>(id.xy), i32(id.z), value);
20}