WebVR Token: twice RequestAnimation per frame
Reported by
p...@sketchfab.com,
Nov 5
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36 Steps to reproduce the problem: 1. go to https://sketchfab.com/models/6f2e7a64069242f8b205aff795073434/embed?autostart=1&stats=1&drs=0 2. see fps go above 60 3. do a performance profile to see that requestanimationFrame are called twice by frame What is the expected behavior? One requestAnimationFrame per frame What went wrong? - We get two requestAnimationFrame per frame. Did this work before? N/A Does this work in other browsers? N/A Chrome version: 70.0.3538.77 Channel: stable OS Version: 10.0 Flash Version: We only get that behaviour on sketchfab.com, not on any other domain with the exact same code (staging server has only one requestAnimationFrame per frame). We deduce it might be related to the fact it's a domain we enabled the "webvr token" with
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Nov 5
paul@sketchfab.com, Did you set webvr or webxr flags when testing this, or were you running without flags?
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Nov 5
We tried with a browser with all webvr and webxr flags disabled. (default settings)
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Nov 6
We also tried with every webxr/webvr flags enabled and we still didn't have the issue on the other dev server (no token). Small note: the model posted above takes ages to load because of long shader compilation, but the issue is reproducible on every model (here's a lighter one https://sketchfab.com/models/63b73dcf59de461cb5a5a6adc8a557ff/embed?autostart=1&stats=1&drs=0)
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Nov 6
We reproduce the bug on firefox too, so you probably shouldn't investigate the issue at this moment, sorry for the wrong blame :)
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Nov 6
It's definitely on our side. You can safely ignore this bug report Please accept my appologies.
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Nov 6
Thanks for confirming. Closing. |
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Comment 1 by kbr@chromium.org
, Nov 5Components: Blink>WebXR
Owner: billorr@chromium.org
Status: Assigned (was: Unconfirmed)