[Webkit-unassigned] [Bug 276959] powerPreference "high-performance" causes bad performance

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=276959

--- Comment #7 from Krystof T <kipashmobile at gmail.com> ---
(In reply to Kimmo Kinnunen from comment #5)
> Thank you for the report. I can confirm the slowdown.
> 
> It's likely that threejs selects different rendering algorithm based on the
> power preference.
> 
> On desktop macOS Apple Silicon based devices, you can see that the
> high-performance case uses anisotropic texture filtering extension. The
> renderer, default options, uses half float extensions while high-performance
> does not.
> 
> Please consult threejs docs and code to see if this is the case. If this is
> as expected, please report back and we can close this bug.

Thank you for looking into the issue.

Searching the three.js source code doesn't show any implementation that would react or adjust anything base on the powerPreference property.

https://github.com/search?q=repo%3Amrdoob%2Fthree.js%20powerpreference&type=code

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