[Webkit-unassigned] [Bug 58054] New: REGRESSION (WebKit2): Accelerated CSS animations have a lower framerate than in WebKit1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=58054

           Summary: REGRESSION (WebKit2): Accelerated CSS animations have
                    a lower framerate than in WebKit1
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://webkit.org/blog-files/3d-transforms/poster-circ
                    le.html
        OS/Version: Windows 7
            Status: NEW
          Keywords: NeedsRadar, PlatformOnly, Regression
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: andersca at apple.com, simon.fraser at apple.com,
                    cmarrin at apple.com


To reproduce:

1. Go to http://webkit.org/blog-files/3d-transforms/poster-circle.html in WebKit2, and compare to WebKit1

The framerate in WebKit2 is slower than in WebKit1. WebKit1 is running basically at 60fps continuously, while WebKit2 is somewhere closer to 30 or 40fps.

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