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 Rendering

Assignee:

zalan <zalan>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

buildbot, commit-queue, esprehn+autocc, glenn, kondapallykalyan, rniwa, simon.fraser

Priority:

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

zalan

Reported 2014-04-13 12:35:35 PDT

RenderBox::computeRectForRepaint integral snaps when layer has transform.

Attachments
Test reduction (1.38 KB, text/html) 2014-04-13 16:12 PDT, zalan	no flags	Details
Patch (64.96 KB, patch) 2014-04-18 21:46 PDT, zalan	no flags	Details Formatted Diff Diff
Archive of layout-test-results from webkit-ews-04 for mac-mountainlion (618.72 KB, application/zip) 2014-04-18 22:27 PDT, Build Bot	no flags	Details
Archive of layout-test-results from webkit-ews-11 for mac-mountainlion-wk2 (564.65 KB, application/zip) 2014-04-19 01:44 PDT, Build Bot	no flags	Details
Patch (65.89 KB, patch) 2014-04-19 08:54 PDT, zalan	no flags	Details Formatted Diff Diff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.

zalan

Comment 1 2014-04-13 16:12:54 PDT

Created attachment 229246 [details] Test reduction

zalan

Comment 2 2014-04-18 21:46:45 PDT

Created attachment 229715 [details] Patch

Build Bot

Comment 3 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

Build Bot

Comment 4 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

Build Bot

Comment 5 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

Build Bot

Comment 6 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

zalan

Comment 7 2014-04-19 08:54:03 PDT

Created attachment 229734 [details] Patch

zalan

Comment 8 2014-04-19 08:54:23 PDT

Comment on attachment 229734 [details] Patch EWSing.

WebKit Commit Bot

Comment 9 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>

WebKit Commit Bot

Comment 10 2014-04-19 10:48:39 PDT

All reviewed patches have been landed. Closing bug.

Simon Fraser (smfr)

Comment 11 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

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