Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 54b6555c4fa661e33fb980e8d541ab22a608b2e5
https://github.com/WebKit/WebKit/commit/54b6555c4fa661e33fb980e8d541ab22a608b2e5
Author: Nipun Shukla <[email protected]>
Date: 2026-02-20 (Fri, 20 Feb 2026)
Changed paths:
A
LayoutTests/fast/repaint/border-radius-partial-repaint-corner-expected.html
A LayoutTests/fast/repaint/border-radius-partial-repaint-corner.html
M Source/WebCore/rendering/BorderPainter.cpp
M Source/WebCore/rendering/BorderShape.cpp
M Source/WebCore/rendering/BorderShape.h
Log Message:
-----------
Rotating bounding box invalidation does not redraw a border on other element
rdar://170438404
https://bugs.webkit.org/show_bug.cgi?id=307949
Reviewed by Simon Fraser.
The regression from 290951@main replaced allCornersClippedOut() with
outerShapeContains(), but these have different semantics. outerShapeContains
checks if the dirty rect is inside the rounded shape, while
allCornersClippedOut() checked if the dirty rect avoids all corner regions.
A rect inside the shape but within a corner region still needs curved-path
painting. Re-add allCornersClippedOut() to restore the correct
operation for this case.
Test: fast/repaint/border-radius-partial-repaint-corner.html
* LayoutTests/fast/repaint/border-radius-partial-repaint-corner-expected.html:
Added.
* LayoutTests/fast/repaint/border-radius-partial-repaint-corner.html: Added.
* Source/WebCore/rendering/BorderPainter.cpp:
(WebCore::BorderPainter::paintBorder const):
* Source/WebCore/rendering/BorderShape.cpp:
(WebCore::BorderShape::allCornersClippedOut const):
* Source/WebCore/rendering/BorderShape.h:
Canonical link: https://commits.webkit.org/307930@main
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