Bug 131594

Summary: Subpixel rendering: WK1: Wrong repaint rect is calculated when layer has non-compositing transform.
Product: WebKit Reporter: zalan <zalan>
Component: Layout and RenderingAssignee: zalan <zalan>
Status: RESOLVED FIXED    
Severity: Normal CC: buildbot, commit-queue, esprehn+autocc, glenn, kondapallykalyan, rniwa, simon.fraser
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Test reduction
none
Patch
none
Archive of layout-test-results from webkit-ews-04 for mac-mountainlion
none
Archive of layout-test-results from webkit-ews-11 for mac-mountainlion-wk2
none
Patch none

Description zalan 2014-04-13 12:35:35 PDT
RenderBox::computeRectForRepaint integral snaps when layer has transform.
Comment 1 zalan 2014-04-13 16:12:54 PDT
Created attachment 229246 [details]
Test reduction
Comment 2 zalan 2014-04-18 21:46:45 PDT
Created attachment 229715 [details]
Patch
Comment 3 Build Bot 2014-04-18 22:27:03 PDT
Comment on attachment 229715 [details]
Patch

Attachment 229715 [details] did not pass mac-ews (mac):
Output: http://webkit-queues.appspot.com/results/4669889453228032

New failing tests:
fast/repaint/hidpi-wrong-repaint-rect-when-parent-has-noncompositing-transform.html
Comment 4 Build Bot 2014-04-18 22:27:06 PDT
Created attachment 229720 [details]
Archive of layout-test-results from webkit-ews-04 for mac-mountainlion

The attached test failures were seen while running run-webkit-tests on the mac-ews.
Bot: webkit-ews-04  Port: mac-mountainlion  Platform: Mac OS X 10.8.5
Comment 5 Build Bot 2014-04-19 01:44:56 PDT
Comment on attachment 229715 [details]
Patch

Attachment 229715 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.appspot.com/results/6003313053007872

New failing tests:
fast/repaint/hidpi-wrong-repaint-rect-when-parent-has-noncompositing-transform.html
Comment 6 Build Bot 2014-04-19 01:44:59 PDT
Created attachment 229729 [details]
Archive of layout-test-results from webkit-ews-11 for mac-mountainlion-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: webkit-ews-11  Port: mac-mountainlion-wk2  Platform: Mac OS X 10.8.5
Comment 7 zalan 2014-04-19 08:54:03 PDT
Created attachment 229734 [details]
Patch
Comment 8 zalan 2014-04-19 08:54:23 PDT
Comment on attachment 229734 [details]
Patch

EWSing.
Comment 9 WebKit Commit Bot 2014-04-19 10:48:35 PDT
Comment on attachment 229734 [details]
Patch

Clearing flags on attachment: 229734

Committed r167538: <http://trac.webkit.org/changeset/167538>
Comment 10 WebKit Commit Bot 2014-04-19 10:48:39 PDT
All reviewed patches have been landed.  Closing bug.
Comment 11 Simon Fraser (smfr) 2014-04-19 12:16:49 PDT
This is causing a test to fail:
http://build.webkit.org/results/Apple%20Mavericks%20Release%20WK1%20(Tests)/r167540%20(5326)/results.html