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OPENGL: Fix crash when scaling small areas

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This commit is contained in:
Cameron Cawley 2021-11-23 23:18:12 +00:00
parent 3bd4e8c6a4
commit c0ea8e26c7
1 changed files with 7 additions and 2 deletions
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9
backends/graphics/opengl/texture.cpp
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@ -544,8 +544,13 @@ void ScaledTexture::updateGLTexture() {
dst = (byte *)outSurf->getBasePtr(dirtyArea.left * _scaleFactor, dirtyArea.top * _scaleFactor);
dstPitch = outSurf->pitch;
assert(_scaler);
_scaler->scale(src, srcPitch, dst, dstPitch, dirtyArea.width(), dirtyArea.height(), dirtyArea.left, dirtyArea.top);
if (_scaler && (uint)dirtyArea.height() >= _extraPixels) {
_scaler->scale(src, srcPitch, dst, dstPitch, dirtyArea.width(), dirtyArea.height(), dirtyArea.left, dirtyArea.top);
} else {
Graphics::scaleBlit(dst, src, dstPitch, srcPitch,
dirtyArea.width() * _scaleFactor, dirtyArea.height() * _scaleFactor,
dirtyArea.width(), dirtyArea.height(), outSurf->format);
}
dirtyArea.left *= _scaleFactor;
dirtyArea.right *= _scaleFactor;