[Webkit-unassigned] [Bug 77825] New: Background image with fixed position Repainting causes huge performance hits

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Feb 4 22:43:29 PST 2012


https://bugs.webkit.org/show_bug.cgi?id=77825

           Summary: Background image with fixed position Repainting causes
                    huge performance hits
           Product: WebKit
           Version: 525.x (Safari 3.2)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Major
          Priority: P4
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ztratar at gmail.com


With CSS3 developers will be using the background-size: cover a large amount.

When setting this property, any site with a considerable amount of scrolling has a huge performance hit. On larger browser windows, the problem scales linearly.

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