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Issue #2694 - Improve nested grid layout performance by caching.

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This improves performance by caching the grid items' block axis
measurement, avoiding potentially exponential calculations and reflows.
Resolves #2694
This commit is contained in:
Moonchild 2025-02-18 16:56:11 +01:00 • committed by roytam1
commit 25570dc572
3 changed files with 132 additions and 1 deletions
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3
layout/generic/nsFrame.cpp
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@ -42,6 +42,7 @@
#include "nsLayoutUtils.h"
#include "LayoutLogging.h"
#include "mozilla/RestyleManager.h"
#include "nsGridContainerFrame.h"
#include "nsIDOMNode.h"
#include "nsISelection.h"
@ -4382,6 +4383,8 @@ nsFrame::MarkIntrinsicISizesDirty()
if (GetStateBits() & NS_FRAME_FONT_INFLATION_FLOW_ROOT) {
nsFontInflationData::MarkFontInflationDataTextDirty(this);
}
RemoveProperty(nsGridContainerFrame::CachedBAxisMeasurement::Prop());
}
/* virtual */ nscoord