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25 lines
652 B
25 lines
652 B
struct MatrixBatch {
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size: vec4<u32>,
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data: array<vec4<f32>>,
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}
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@group(0) @binding(0)
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var<storage, read> b: MatrixBatch;
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@group(0) @binding(1)
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var<storage, read_write> result: MatrixBatch;
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@compute @workgroup_size(1)
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fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
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result.size = b.size;
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var vc = result.size.x / 4;
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var resi = (global_id.z * result.size.y + global_id.y) * vc + global_id.x;
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var sv = vec4(0f);
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var bi = (global_id.z * b.size.y + global_id.y) * vc;
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for (var i = 0u; i < vc; i++) {
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sv += b.data[bi];
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bi++;
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}
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var ss = sv.x + sv.y + sv.z + sv.w;
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result.data[resi] = b.data[resi] / vec4(ss);
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}
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