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[image output] Initialize pixels of partial tile conversion buffer. #4462

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merged 2 commits into from
Sep 30, 2024
Merged

[image output] Initialize pixels of partial tile conversion buffer. #4462

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[image output] Initialize pixels of partial tile conversion buffer.
stolk Sep 29, 2024
3dc052f
Merge branch 'AcademySoftwareFoundation:main' into partial_tile
stolk Sep 29, 2024
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9 changes: 7 additions & 2 deletions src/libOpenImageIO/imageoutput.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -177,8 +177,13 @@ ImageOutput::write_tiles(int xbegin, int xend, int ybegin, int yend, int zbegin,
ok &= write_tile(x, y, z, format, tilestart, xstride,
ystride, zstride);
} else {
if (!buf.get())
buf.reset(new char[pixelsize * m_spec.tile_pixels()]);
if (!buf.get()) {
const size_t sz = pixelsize * m_spec.tile_pixels();
buf.reset(new char[sz]);
// Not all pixels will be initialized, so we set them to zero here.
// This will avoid generation of NaN, FPEs and valgrind errors.
memset(buf.get(), 0, sz);
}
OIIO::copy_image(m_spec.nchannels, xw, yh, zd, tilestart,
pixelsize, xstride, ystride, zstride,
&buf[0], pixelsize,
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