[Webkit-unassigned] [Bug 228298] powerPreference may not be working correctly in WebGL's Metal backend

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228298

--- Comment #12 from Kimmo Kinnunen <kkinnunen at apple.com> ---
(In reply to Marcin Ignac from comment #11)
> (In reply to Kimmo Kinnunen from comment #10)
> > Marcin, if you have a test case for this, feel free to link to it. I can
> > file a bug about that. Thanks.
> 
> It's the same as above http://projects.variable.io/webgl/shader-performance/

Thanks, missed it.

> What does "GPU Process: WebGL" do under the hood that might have such a big
> impact on performance?

It transfers the calls from web content process to GPU process, executes those in GPU process and then transfers the results back to web content process.

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