Bug 259848

Summary:

Compositing overlap testing is broken with filters in some configurations

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Compositing

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

simon.fraser, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Local Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Test case	none

Description Simon Fraser (smfr) 2023-08-04 17:23:07 PDT

Created attachment 467201 [details]
Test case

Testcase shows a bug where overlap testing is incorrect but only if there's a blur filter on the element.

Comment 1 Radar WebKit Bug Importer 2023-08-04 17:23:27 PDT

<rdar://problem/113420795>

Comment 2 Simon Fraser (smfr) 2023-08-04 17:23:52 PDT

This is about overlapBoundsIncludeChildren() in RenderLayer::overlapBounds().

Comment 3 Simon Fraser (smfr) 2023-08-07 11:11:25 PDT

Pull request: https://github.com/WebKit/WebKit/pull/16446

Comment 4 EWS 2023-08-07 17:41:05 PDT

Committed 266669@main (2e1ca5ac8e80): <https://commits.webkit.org/266669@main>

Reviewed commits have been landed. Closing PR #16446 and removing active labels.