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authorwangxianzhu <wangxianzhu@chromium.org>2016-03-25 18:09:36 -0700
committerCommit bot <commit-bot@chromium.org>2016-03-26 01:11:03 +0000
commit934f67a68da2054e526e13648c5452e2cf79c211 (patch)
tree277c6dd46f8140a7ef848eed1acf0c7e8432932a /docs/clang_static_analyzer.md
parent2e08ddfc910194c1fed498a86f55518707322dd3 (diff)
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Move all fast-path paint invalidation mapping into PaintInvalidationState
- Remove the optional const PaintInvalidationState* parameter from paint invalidation mapping methods and move fast-path mapping code into PaintInvalidationState. - PaintLayer::computePaintInvalidationRect() is now PaintInvalidationState::computePaintInvalidationRectInBacking(); PaintLayer::positionFromPaintInvalidationBacking() is now PaintInvalidationState::positionFromPaintInvalidationBacking(); PaintLayer::mapRectToPaintInvalidationBacking() is now PaintInvalidationState::mapLocalRectToPaintInvalidationBacking(). - Change LayoutObject::clippedOverflowRectForPaintInvalidationBacking() to: * Non-SVG objects and LayoutSVGRoot: LayoutObject::localOverflowRectForPaintInvalidation() which doesn't map the rect to paint invalidation backing; * SVG objects except LayoutSVGRoot: Using existing paintInvalidationRectInLocalSVGCoordinates() PaintInvalidationState::computePaintInvalidationRectInBacking(), calls the above functions to get the local paint invalidation rect, and map to paintInvalidationContainer using fast path if possible, or slow path by calling LayoutObject::mapToVisibleRectToAncestor(). - Let selection paint invalidation go through fast-path if possible. BUG=591199 Review URL: https://codereview.chromium.org/1813383002 Cr-Commit-Position: refs/heads/master@{#383430}
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