third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp - Issue 2776563003: Only automatically promote sticky position elements which move with scroll.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Unified Diff: third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

Issue 2776563003: Only automatically promote sticky position elements which move with scroll. (Closed)

Patch Set: Merge with master Created 3 years, 9 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View side-by-side diff with in-line comments

Download patch

« no previous file with comments | « third_party/WebKit/Source/core/layout/compositing/CompositingReasonFinderTest.cpp ('k') | third_party/WebKit/Source/core/paint/PaintLayer.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

Index: third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp b/third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

index 137284f76e3f3a848304f3d07dbb77c1b53180ab..6b95f5e859d201451a3ba1118e5c8ad36f254917 100644

--- a/third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

+++ b/third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

@@ -247,8 +247,7 @@ void CompositingRequirementsUpdater::updateRecursive(

layer->stackingNode()->updateLayerListsIfNeeded();

CompositingReasons reasonsToComposite = CompositingReasonNone;

- CompositingReasons directReasons =

- m_compositingReasonFinder.directReasons(layer);

+ CompositingReasons directReasons = CompositingReasonNone;

// Video is special. It's the only PaintLayer type that can both have

// PaintLayer children and whose children can't use its backing to render

@@ -260,14 +259,15 @@ void CompositingRequirementsUpdater::updateRecursive(

bool hasCompositedScrollingAncestor =

layer->ancestorScrollingLayer() &&

- (m_compositingReasonFinder.directReasons(

- layer->ancestorScrollingLayer()) &

+ (m_compositingReasonFinder.directReasons(layer->ancestorScrollingLayer(),

+ false) &

CompositingReasonOverflowScrollingTouch);

// TODO(chrishtr): use |hasCompositedScrollingAncestor| instead.

- if (currentRecursionData.m_hasCompositedScrollingAncestor &&

- layer->layoutObject().styleRef().hasViewportConstrainedPosition())

- directReasons |= CompositingReasonScrollDependentPosition;

+ const bool ignoreLCDText =

+ currentRecursionData.m_hasCompositedScrollingAncestor;

+ directReasons |=

+ m_compositingReasonFinder.directReasons(layer, ignoreLCDText);

bool canBeComposited = compositor->canBeComposited(layer);

if (canBeComposited) {