[Webkit-unassigned] [Bug 146345] Make JS & SVG animation faster (perhaps do as much as possible in the GPU)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146345

--- Comment #10 from Tobi Reif <tobi at tobireif.com> ---
I'm on a Mid 2015 MacBook Pro, and the visual performance of that animation in Safari is not completely & constantly smooth.

Also see the dev tools screenshot https://bug-146345-attachments.webkit.org/attachment.cgi?id=324214 .

It would be important to test the animation on an iPhone as well, perhaps you could do that?
In the meantime here's a video created using CrossBrowserTesting:
https://app.crossbrowsertesting.com/public/ib8393c20a124bac/livetests/9488261/videos/z2cc3f514d58872ec6b8

You wrote:
"The slowest part is running the script which is modifying SVG attributes (about 14ms per frame)."

The animation uses GSAP TweenMax, I hope that code is fast.

Perhaps running the JS which is modifying SVG attributes could be done faster by WebKit?

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