Bug 212419

Summary:

Incorrect clipping of absolute and fixed elements inside stacking-context composited overflow:hidden

Product:

WebKit

Reporter:

Antti Koivisto <koivisto>

Component:

Compositing

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

changseok, esprehn+autocc, ews-watchlist, fred.wang, glenn, kondapallykalyan, pdr, simon.fraser

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://bugs.webkit.org/show_bug.cgi?id=160953

Attachments:

Description	Flags
test	none
patch	simon.fraser: review+
patch	none

Description Antti Koivisto 2020-05-27 11:03:48 PDT

See the test case.

Comment 1 Antti Koivisto 2020-05-27 11:04:24 PDT

Created attachment 400351 [details]
test

Comment 2 Antti Koivisto 2020-05-27 11:05:27 PDT

<rdar://problem/55856170>

Comment 3 Antti Koivisto 2020-05-27 11:14:24 PDT

Created attachment 400352 [details]
patch

Comment 4 Simon Fraser (smfr) 2020-05-27 12:09:35 PDT

Comment on attachment 400352 [details]
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=400352&action=review

> LayoutTests/compositing/overflow/non-contained-descendant-clipping-fixed.html:4
> +body {
> +    height: 2000px;
> +}

Is this necessary?

Comment 5 Antti Koivisto 2020-05-27 12:12:38 PDT

> Is this necessary?

Not for the test runner but useful for manual testing.

Comment 6 Antti Koivisto 2020-05-27 23:21:30 PDT

Created attachment 400430 [details]
patch

Comment 7 EWS 2020-05-28 01:14:03 PDT

Committed r262237: <https://trac.webkit.org/changeset/262237>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 400430 [details].