Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 574da2d10dd6c9ecb15699207636bb2236efb071
https://github.com/WebKit/WebKit/commit/574da2d10dd6c9ecb15699207636bb2236efb071
Author: Simon Fraser <[email protected]>
Date: 2024-10-27 (Sun, 27 Oct 2024)
Changed paths:
A LayoutTests/compositing/masks/clip-path-on-tiled-toggle-expected.html
A LayoutTests/compositing/masks/clip-path-on-tiled-toggle.html
M LayoutTests/platform/gtk/TestExpectations
M LayoutTests/platform/wpe/TestExpectations
M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerTreePropertyApplier.mm
Log Message:
-----------
Large box shadow is not clipped by clip-path() when in scroll container
https://bugs.webkit.org/show_bug.cgi?id=282106
rdar://138599295
Reviewed by Mike Wyrzykowski.
When a layer with a mask toggled between tiled and non-tiled, we correctly call
`GraphicsLayerCA::updateMaskLayer()`
on the WebCore side, but on the WebKit side we hit a quirk of CoreAnimation,
which is that assigning a CALayer's mask
layer sets the superlayer of the mask layer. If the superlayer was non-nil,
we'd assert and early return, rather than
assigning the mask layer to its new owner.
* LayoutTests/compositing/masks/clip-path-on-tiled-toggle-expected.html: Added.
* LayoutTests/compositing/masks/clip-path-on-tiled-toggle.html: Added.
* LayoutTests/platform/gtk/TestExpectations:
* LayoutTests/platform/wpe/TestExpectations:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerTreePropertyApplier.mm:
(WebKit::RemoteLayerTreePropertyApplier::updateMask):
Canonical link: https://commits.webkit.org/285742@main
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