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Reduce peak memory usage of guided filter by width * height * 8 byte

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heckflosse 2019-02-14 13:11:27 +01:00
parent 8eba1c40a6
commit d1e3085932
1 changed files with 3 additions and 1 deletions
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4
rtengine/guidedfilter.cc
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@ -211,11 +211,13 @@ void guidedFilter(const array2D<float> &guide, const array2D<float> &src, array2
f_mean(meanb, b, r1);
DEBUG_DUMP(meanb);
blur_buf.resize(0); // frees W * H * 4 byte
array2D<float> meanA(W, H);
f_upsample(meanA, meana);
DEBUG_DUMP(meanA);
array2D<float> meanB(W, H);
array2D<float> &meanB = q;
f_upsample(meanB, meanb);
DEBUG_DUMP(meanB);