[Webkit-unassigned] [Bug 145814] [Mobile Safari, WKWebView] increase DeviceOrientationEvent events emission frequency.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jun 10 15:54:41 PDT 2015


Benjamin Poulain <benjamin at webkit.org> changed:

           What    |Removed                     |Added
                 CC|                            |benjamin at webkit.org

--- Comment #4 from Benjamin Poulain <benjamin at webkit.org> ---
(In reply to comment #2)
> Created attachment 254683 [details]
> Increased sensor firing update frequency.
> Can we increase the frequency further? My ideal would be 100 Hz
> (kMotionUpdateInterval = 0.01).

Can you explain a bit why it is important to have 100 Hz? The framerate is intentionally capped to 60 Hz on iOS.

For input events like touch or mouse, I understand why native apps use 120hz. The intermediate value can be used when drawing. For device orientation, I do not know why that's important.

Note that the iOS Gyro does support 100 Hz. My concern about sending many events is pages tend to perform an order of magnitude worse than the worse native app.

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