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avoid div by zero

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This commit is contained in:
Seth Alves 2019-06-04 12:59:03 -07:00
parent 55daef837a
commit 8018a84e8b
1 changed files with 4 additions and 0 deletions
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4
libraries/render-utils/src/AmbientOcclusionEffect.cpp
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@ -474,6 +474,10 @@ void AmbientOcclusionEffect::updateBlurParameters() {
} }
const auto occlusionSize = frameSize >> resolutionLevel; const auto occlusionSize = frameSize >> resolutionLevel;
if (occlusionSize.x == 0 || occlusionSize.y == 0) {
return;
}
// Occlusion UV limit // Occlusion UV limit
hblur._blurAxis.z = occlusionSize.x / float(frameSize.x); hblur._blurAxis.z = occlusionSize.x / float(frameSize.x);
hblur._blurAxis.w = occlusionSize.y / float(frameSize.y); hblur._blurAxis.w = occlusionSize.y / float(frameSize.y);