[Webkit-unassigned] [Bug 171597] REGRESSION: WebGL low performance of layer compositing in cross-origin iframe

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171597

--- Comment #11 from Nik S <nik73ru at gmail.com> ---
Thanks for reply.

(In reply to Simon Fraser (smfr) from comment #10)
> I think this is a combination of two issues.
> The first is that we now throttle rAF in cross-origin iframe to 30fps after
> http://trac.webkit.org/r215070, and this test case hits that.

Oh, thanks for information I don't now it. But in my another test without iframe I faced with the same issue and fps was much less than 30.

> The second is that on some hardware, low-power GL performance is much worse
> than high-power GL performance.

I didn't quite understand this point because I tested my demo page on MPB 13" without high-power GPU.

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