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Bug 282750. Don't worry about over-complex opaque regions when we want to add a rect that will cover the entire region (and thus simplify it). r+sr=bzbarsky

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roc+%cs.cmu.edu 2005-10-06 17:47:59 +00:00
parent d928e9b635
commit a4ae92ddf9
1 changed files with 3 additions and 1 deletions
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4
view/src/nsViewManager.cpp
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@ -4002,8 +4002,10 @@ void nsViewManager::OptimizeDisplayList(const nsVoidArray* aDisplayList, const n
} else {
element->mBounds = tmpRgn.GetBounds();
PRBool tooComplex = aOpaqueRegion.GetNumRects() > MAX_OPAQUE_REGION_COMPLEXITY &&
!element->mBounds.Contains(aOpaqueRegion.GetBounds());
// See whether we should add this view's bounds to aOpaqueRegion
if (aOpaqueRegion.GetNumRects() <= MAX_OPAQUE_REGION_COMPLEXITY &&
if (!tooComplex &&
// a view is opaque if it is neither transparent nor transluscent
(!(element->mFlags & (VIEW_TRANSPARENT | VIEW_TRANSLUCENT))
// also, treat it as opaque if it's drawn onto a uniform background