Bug 29347

Summary: Incorrect clipping with accelerated compositing content, and position:fixed
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: Layout and RenderingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal    
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Mac   
OS: OS X 10.5   
Attachments:
Description Flags
Testcase
none
Patch, changelog, testcase mitz: review+

Description Simon Fraser (smfr) 2009-09-17 14:33:02 PDT
Created attachment 39724 [details]
Testcase

The attached testcase shows a bug where the position:fixed element is not correctly clipped as you scroll the page (it uses overflow:hidden, but is not a stacking context).
Comment 1 Simon Fraser (smfr) 2009-09-21 13:37:26 PDT
Created attachment 39869 [details]
Patch, changelog, testcase
Comment 2 Simon Fraser (smfr) 2009-09-21 14:32:25 PDT
http://trac.webkit.org/changeset/48599