Bug 136400

Summary: Avoid backing store allocation with some combinations of replaced elements, masking and visibility:hidden
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: New BugsAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: jonlee, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch thorton: review+

Description Simon Fraser (smfr) 2014-08-29 17:44:22 PDT 
Avoid backing store allocation with some combinations of replaced elements, masking and visibility:hidden
Comment 1 Simon Fraser (smfr) 2014-08-29 17:46:44 PDT 
Created attachment 237396 [details]
Patch
Comment 2 Tim Horton 2014-08-29 17:54:41 PDT 
Comment on attachment 237396 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=237396&action=review

> LayoutTests/compositing/backing/replaced-child-no-backing.html:49
> +<pre id="layers">Layer tree goes here in DRT</pre>

indent.
Comment 3 Simon Fraser (smfr) 2014-09-02 13:20:55 PDT 
http://trac.webkit.org/changeset/173184
Comment 4 Radar WebKit Bug Importer 2014-09-02 20:43:57 PDT 
<rdar://problem/18210378>