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Guard for divide by zero

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This commit is contained in:
Chuck Walbourn 2019-01-28 23:11:35 -08:00
parent a5f02c3a75
commit a35fb23349
1 changed files with 5 additions and 1 deletions
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6
DirectXTex/DirectXTexMipmaps.cpp
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@ -285,7 +285,11 @@ namespace
pSrcRow0 = pSrcRow1;
}
coverage = static_cast<float>(coverageCount) / static_cast<float>((srcImage.width - 1) * (srcImage.height - 1) * N * N);
float cscale = static_cast<float>((srcImage.width - 1) * (srcImage.height - 1) * N * N);
if (cscale > 0.f)
{
coverage = static_cast<float>(coverageCount) / cscale;
}
return S_OK;
}