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40 lines
753 B
40 lines
753 B
1 year ago
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#pragma kernel EstimateOffsetMinMax
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uint2 PointCloudRes;
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uint OfsHistBinLength;
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StructuredBuffer<float> PointCloudOfs;
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StructuredBuffer<bool> PointCloudMask;
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RWStructuredBuffer<float> OfsMinMax;
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RWStructuredBuffer<uint> OfsHistBinCount;
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[numthreads(1, 1, 1)]
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void EstimateOffsetMinMax(uint3 id : SV_DispatchThreadID)
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{
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// find min & max
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uint l = PointCloudRes.x * PointCloudRes.y;
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float minOfs = 1000.0;
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float maxOfs = -1000.0;
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for (uint i = 0; i < l; i++)
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{
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float ofs = PointCloudOfs[i];
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if (PointCloudMask[i])
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{
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minOfs = min(minOfs, ofs);
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maxOfs = max(maxOfs, ofs);
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}
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}
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OfsMinMax[0] = minOfs;
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OfsMinMax[1] = maxOfs;
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// clear bin counts
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for (uint hi = 0; hi < OfsHistBinLength; hi++)
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{
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OfsHistBinCount[hi] = 0;
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}
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}
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