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Bug 1287122 - Make sure we build nsDisplayOpacity if we need it, since useOpacity already takes svg effects into account. r=dbaron

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--HG--
extra : rebase_source : 7a9952fe0ed3a579083bd324002d44ab735d0735
This commit is contained in:
Matt Woodrow 2016-08-05 10:37:46 +12:00
parent c9c66a60a7
commit bf8a0ba830
1 changed files with 3 additions and 2 deletions
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5
layout/generic/nsFrame.cpp
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@ -2445,10 +2445,11 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
aBuilder->ExitSVGEffectsContents();
resultList.AppendToTop(&hoistedScrollInfoItemsStorage);
}
/* Else, if the list is non-empty and there is CSS group opacity without SVG
/* If the list is non-empty and there is CSS group opacity without SVG
* effects, wrap it up in an opacity item.
*/
else if (useOpacity && !resultList.IsEmpty()) {
if (useOpacity && !resultList.IsEmpty()) {
// Don't clip nsDisplayOpacity items. We clip their descendants instead.
// The clip we would set on an element with opacity would clip
// all descendant content, but some should not be clipped.