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39 lines
856 B
39 lines
856 B
struct MatrixBatch {
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size: vec4<u32>,
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data: array<f32>,
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}
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struct FVectorBatch {
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size: vec4<u32>,
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data: array<f32>,
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}
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struct UVectorBatch {
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size: vec4<u32>,
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data: array<u32>,
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}
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@group(0) @binding(0)
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var<storage, read> m: MatrixBatch;
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@group(0) @binding(1)
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var<storage, read> r: FVectorBatch;
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@group(0) @binding(2)
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var<storage, read_write> result: UVectorBatch;
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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.x = m.size.y;
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result.size.z = m.size.z;
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var resi = global_id.z * result.size.x + global_id.x;
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var tp = r.data[global_id.z * r.size.x + global_id.x];
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var p = 0f;
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var mi = (global_id.z * m.size.y + global_id.x) * m.size.x;
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for (var i = 0u; i < m.size.x; i++) {
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p += m.data[mi];
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if (p >= tp) {
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result.data[resi] = i;
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break;
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}
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mi++;
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}
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}
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