third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h - Issue 2539693002: Early-out from the prepaint tree walk

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Unified Diff: third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

Issue 2539693002: Early-out from the prepaint tree walk (Closed)

Patch Set: Do not force subtree updates for all paint invalidation reasons, add todo to track paint offset cha… Created 4 years, 1 month ago

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Index: third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

diff --git a/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h b/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

index d0c7300095fd2df33147198e94fea34e2351b34e..9b3b97b8d0a86e457a496ac67e4a46bd51986e48 100644

--- a/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

+++ b/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

@@ -22,8 +22,12 @@ class PrePaintTreeWalk {

void walk(FrameView& rootFrame);

private:

- void walk(FrameView&, const PrePaintTreeWalkContext&);

- void walk(const LayoutObject&, const PrePaintTreeWalkContext&);

+ // Throttled rendering (see: FrameView::shouldThrottleRendering()) can prevent

+ // walking into a subtree.

+ enum DescendantsUpdated { FullyUpdated = true, NotFullyUpdated = false };

+ DescendantsUpdated walk(FrameView&, const PrePaintTreeWalkContext&);

+ DescendantsUpdated walk(const LayoutObject&, const PrePaintTreeWalkContext&);

PaintPropertyTreeBuilder m_propertyTreeBuilder;

PaintInvalidator m_paintInvalidator;