[Webkit-unassigned] [Bug 135387] [Mac, iOS] Video upload to texture performance way too slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135387

--- Comment #7 from Kimmo Kinnunen <kkinnunen at apple.com> ---
(In reply to Marcin from comment #6)
> I gave it a quick check:
> My test uses 2 textures to ensure upload and render does not need to wait
> for each other, and uploads new frame every second rendered frame (video is
> 30fps, 540x960, QuickTime HEVC with alpha channel).
> 
> On iMac ~2017, I'm able to hit 60fps easily while tex[Sub]Imaging video but
> I think Safari presents only half of rendered frames. Looks like bottle neck
> is still there but have moved to another thread.

Skipping half of the frames sounds very curious. If you have the repro case I can have a look. If not, thanks, I'll keep this in mind once I'll do next round of tests.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20210323/ac1b9b90/attachment.htm>