Bug 108112 - position:fixed that doesn't render any content should not force compositing
Summary: position:fixed that doesn't render any content should not force compositing
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: 528+ (Nightly build)
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2013-01-28 13:43 PST by Simon Fraser (smfr)
Modified: 2013-01-28 20:18 PST (History)
9 users (show)

See Also:

Attachments
Patch (19.80 KB, patch)
2013-01-28 15:01 PST, Simon Fraser (smfr) 		bdakin: review+
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Description Simon Fraser (smfr) 2013-01-28 13:43:33 PST 
boingboing.net has lots of layers, because of an empty position:fixed div. We should not make that composited.
Comment 1 Radar WebKit Bug Importer 2013-01-28 13:44:21 PST 
<rdar://problem/13099604>
Comment 2 Simon Fraser (smfr) 2013-01-28 15:01:15 PST 
Created attachment 185077 [details]
Patch
Comment 3 Simon Fraser (smfr) 2013-01-28 20:18:54 PST 
http://trac.webkit.org/changeset/141039