Bug 149535 - Paint artifacts when hovering on http://jsfiddle.net/Sherbrow/T87Mn/
Summary: Paint artifacts when hovering on http://jsfiddle.net/Sherbrow/T87Mn/
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: zalan
URL: http://jsfiddle.net/Sherbrow/T87Mn/
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2015-09-24 11:49 PDT by Elliott Sprehn
Modified: 2015-10-06 19:52 PDT (History)
9 users (show)

See Also:


Attachments
Screenshot (20.68 KB, image/png)
2015-09-24 11:49 PDT, Elliott Sprehn
no flags Details
Repaint reduction (602 bytes, text/html)
2015-09-24 12:02 PDT, Elliott Sprehn
no flags Details
Patch (6.60 KB, patch)
2015-10-06 15:49 PDT, zalan
no flags Details | Formatted Diff | Diff
Patch (6.59 KB, patch)
2015-10-06 16:09 PDT, zalan
no flags Details | Formatted Diff | Diff
Patch (6.66 KB, patch)
2015-10-06 16:10 PDT, zalan
no flags Details | Formatted Diff | Diff
Archive of layout-test-results from ews102 for mac-mavericks (635.25 KB, application/zip)
2015-10-06 16:44 PDT, Build Bot
no flags Details
Archive of layout-test-results from ews106 for mac-mavericks-wk2 (652.04 KB, application/zip)
2015-10-06 16:50 PDT, Build Bot
no flags Details
Patch (8.42 KB, patch)
2015-10-06 18:38 PDT, zalan
no flags Details | Formatted Diff | Diff

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Description Elliott Sprehn 2015-09-24 11:49:57 PDT
Created attachment 261881 [details]
Screenshot

WebKit nightly build: Version 8.0.8 (10600.8.9, r190200)

1. Load http://jsfiddle.net/Sherbrow/T87Mn/
2. Hover over the p{number} items from top to bottom.

This leaves behind artifacts that look like the paint invalidation is missing.
Comment 1 Elliott Sprehn 2015-09-24 12:02:34 PDT
Created attachment 261883 [details]
Repaint reduction
Comment 2 Alexey Proskuryakov 2015-09-27 21:34:51 PDT
Also happens with pristine Safari 8.0.8, so not a recent regression.
Comment 3 Radar WebKit Bug Importer 2015-09-27 21:56:49 PDT
<rdar://problem/22874920>
Comment 4 zalan 2015-10-06 15:49:47 PDT
Created attachment 262551 [details]
Patch
Comment 5 Simon Fraser (smfr) 2015-10-06 16:06:01 PDT
Comment on attachment 262551 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=262551&action=review

> Source/WebCore/ChangeLog:11
> +        When a renderer has a self painting layer, the parent stops tracking the child's 

self-painting

> Source/WebCore/ChangeLog:13
> +        However when this layer gets destroyed, no one issues repaint to clean up

no-one
Comment 6 zalan 2015-10-06 16:09:13 PDT
Created attachment 262554 [details]
Patch
Comment 7 zalan 2015-10-06 16:10:45 PDT
Created attachment 262555 [details]
Patch
Comment 8 Build Bot 2015-10-06 16:44:50 PDT
Comment on attachment 262555 [details]
Patch

Attachment 262555 [details] did not pass mac-ews (mac):
Output: http://webkit-queues.webkit.org/results/252014

New failing tests:
fast/repaint/absolute-position-change-containing-block.html
css3/blending/repaint/blend-mode-isolate-stacking-context.html
Comment 9 Build Bot 2015-10-06 16:44:54 PDT
Created attachment 262558 [details]
Archive of layout-test-results from ews102 for mac-mavericks

The attached test failures were seen while running run-webkit-tests on the mac-ews.
Bot: ews102  Port: mac-mavericks  Platform: Mac OS X 10.9.5
Comment 10 Build Bot 2015-10-06 16:50:45 PDT
Comment on attachment 262555 [details]
Patch

Attachment 262555 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.webkit.org/results/252021

New failing tests:
fast/repaint/absolute-position-change-containing-block.html
css3/blending/repaint/blend-mode-isolate-stacking-context.html
Comment 11 Build Bot 2015-10-06 16:50:49 PDT
Created attachment 262559 [details]
Archive of layout-test-results from ews106 for mac-mavericks-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews106  Port: mac-mavericks-wk2  Platform: Mac OS X 10.9.5
Comment 12 zalan 2015-10-06 18:38:32 PDT
Created attachment 262569 [details]
Patch
Comment 13 WebKit Commit Bot 2015-10-06 19:52:00 PDT
Comment on attachment 262569 [details]
Patch

Clearing flags on attachment: 262569

Committed r190658: <http://trac.webkit.org/changeset/190658>
Comment 14 WebKit Commit Bot 2015-10-06 19:52:06 PDT
All reviewed patches have been landed.  Closing bug.