Bug 261584

Summary:	Support backing sharing when multiple overflow scrollers overlap
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Compositing	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	simon.fraser, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Safari 16
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=261302

Simon Fraser (smfr)

Reported 2023-09-14 18:44:22 PDT

Bug 261302 is limiting compositing backing sharing (RenderLayerCompositor::BackingSharingState) to non-overlapping overflow scrollers, because it's harder to get the overlapping cases right. But we should try.

Attachments
Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2023-09-21 18:45:14 PDT

<rdar://problem/115871803>

Note You need to log in before you can comment on or make changes to this bug.