[Webkit-unassigned] [Bug 154286] New: requestAnimationFrame animation of WebGL is not smooth

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 16 04:30:07 PST 2016


https://bugs.webkit.org/show_bug.cgi?id=154286

            Bug ID: 154286
           Summary: requestAnimationFrame animation of WebGL is not smooth
    Classification: Unclassified
           Product: WebKit
           Version: Safari 9
          Hardware: Macintosh
                OS: OS X 10.11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tobi at tobireif.com
                CC: dino at apple.com

When I open this animation

http://codepen.io/TobiReif/full/JGGWZJ/

in Safari, there's a lot of jank / stuttering / non-smooth motion. (Please watch the whole page for at least 10 seconds, on hardware equivalent to the hardware I listed below).

The animation runs smoothly in Chrome and Firefox.

Please make sure it runs smoothly in Safari / WebKit as well.

The setup used for testing:
NVIDIA GeForce 9400M 256 MB
4 GB 1067 MHz DDR3
2.53 GHz Intel Core 2 Duo
OS X 10.11.3 (15D21)

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