wehub-resource-sync
39 lines
935 B
Plaintext
39 lines
935 B
Plaintext
#version 440 core
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layout(std430) buffer;
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layout(set=0, binding=0) writeonly buffer pointoffsetSum{
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highp uvec4 data[];
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} uPointoffsetSum;
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layout(set=0, binding=1) readonly buffer pointoffset{
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highp uvec4 data[];
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} uPointoffset;
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layout(set=0, binding=2) uniform constBuffer {
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ivec4 point; // point size
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} uConstant;
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layout (constant_id = 3) const int UNIT = 128;
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layout (constant_id = 4) const int LOCAL_SIZE = 1;
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layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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void main()
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{
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int tId = int(gl_LocalInvocationID.x);
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int size = (uConstant.point.x + 3) / 4;
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int curOffset = 0;
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uvec4 threadBuffer[UNIT];
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uint sum = 0;
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for (int i=0; i<size; ++i) {
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uvec4 p0 = uPointoffset.data[i];
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p0.y = p0.y + p0.x;
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p0.z = p0.z + p0.y;
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p0.w = p0.w + p0.z;
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p0 = p0 + uvec4(sum);
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uPointoffsetSum.data[i] = p0;
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sum = p0.w;
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}
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return;
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}
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