Bug 196010

Summary:

absolute in stacking-context scroller jiggles when scrolled

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Scrolling

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

commit-queue, simon.fraser, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Testcase	none
Patch	none

Description Simon Fraser (smfr) 2019-03-20 09:59:05 PDT

Created attachment 365350 [details]
Testcase

position:absolute inside overflow which is stacking context jiggles when scrolled.

Comment 1 Radar WebKit Bug Importer 2019-03-20 09:59:25 PDT

<rdar://problem/49065322>

Comment 2 Simon Fraser (smfr) 2019-03-20 14:01:04 PDT

The compositing layer for the overflow:scroll is missing the "has composited descendant" bit.

Comment 3 Simon Fraser (smfr) 2019-03-20 17:02:44 PDT

Created attachment 365441 [details]
Patch

Comment 4 WebKit Commit Bot 2019-03-21 11:58:15 PDT

Comment on attachment 365441 [details]
Patch

Clearing flags on attachment: 365441

Committed r243309: <https://trac.webkit.org/changeset/243309>

Comment 5 WebKit Commit Bot 2019-03-21 11:58:16 PDT

All reviewed patches have been landed.  Closing bug.