[Webkit-unassigned] [Bug 234303] Varying rAF during WebGL video upload on iPod touch 7, iOS 15.2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=234303

--- Comment #7 from Kimmo Kinnunen <kkinnunen at apple.com> ---
Reproduced on iPad Pro 2015

To reproduce bug:
- restart Safari
- navigate to the bugzilla page bug 231031
- open the link (for rgba test case)

-> observe consistent sub-60fps reports on most loads

To reproduce working scenario
- copy the rgba test case to clipboard
- restart Safari
- paste the link directly to safari

-> observe consistent 60fps reports

So the buggy behaviour needs some other page to be loaded before. It is unclear which page features trigger the problem.

The buggy vs non-buggy cases have similar looking CPU traces.

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