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List:       fedora-devel-list
Subject:    Re: just to let you know FESCo agreed to a preliminary injunction while we consider this issue
From:       Neal Gompa <ngompa13 () gmail ! com>
Date:       2024-02-11 11:35:59
Message-ID: CAEg-Je-Pf81ua8=hUfn6MDRe_y-stRMjreZYJi6DYc4fR2=jYQ () mail ! gmail ! com
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On Sun, Feb 11, 2024 at 1:50 AM Kilian Hanich <khanich.opensource@gmx.de> wrote:
>
> Am 10.02.24 um 09:47 schrieb Neal Gompa:
> > Technically, turning off display sync completely is quite difficult
> > right now since the actual driver stack in Linux underneath everything
> > (both Wayland and X11) uses implicit sync right now (Linux kernel
> > drivers, Mesa drivers, etc.).
> >
>
> Interesting considering that I once read (but haven't fact check) that
> the Vulkan spec explicitly requires explicit sync instead of implicit,
> even if you for parts of it.
>

I don't know enough about Vulkan to confidently say one way or
another. Especially since I'm pretty sure parts of it are one and the
other.

> > That said, there's a move to support explicit sync in Wayland[1], and
> > the first steps of that for KWin have been written up as a merge
> > request[2]. Once there's an agreed upon mechanism for explicit sync,
> > it would be possible to support something like that.
> >
> > [1]:https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/90
> > [2]:https://invent.kde.org/plasma/kwin/-/merge_requests/4800
>
> Interesting read. I will just hope that this won't be something which
> ends up in "noone actually still looks at it"-land as some things
> sometimes end up in because people focused on different things and then
> forgot about it (well, kind natural for volunteer projects I guess).
>

That's not going to happen because Direct3D 12 requires explicit sync.
That's been driving the change to support it in the Linux graphics
stack in the first place.


-- 
真実はいつも一つ！/ Always, there's only one truth!
--
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