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Bug 534787: Properly flush and markdirty image surfaces on Locking/Unlocking image data. r=jrmuizel

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This commit is contained in:
Bas Schouten 2010-03-02 02:04:30 +01:00
parent 3734f540df
commit 930550ada6
1 changed files with 11 additions and 0 deletions
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11
modules/libpr0n/src/imgFrame.cpp
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@ -849,6 +849,11 @@ nsresult imgFrame::LockImageData()
#endif
}
// We might write to the bits in this image surface, so we need to make the
// surface ready for that.
if (mImageSurface)
mImageSurface->Flush();
return NS_OK;
}
@ -864,7 +869,13 @@ nsresult imgFrame::UnlockImageData()
mLocked = PR_FALSE;
// Assume we've been written to.
if (mImageSurface)
mImageSurface->MarkDirty();
#ifdef XP_MACOSX
// The quartz image surface (ab)uses the flush method to get the
// cairo_image_surface data into a CGImage, so we have to call Flush() here.
if (mQuartzSurface)
mQuartzSurface->Flush();
#endif