rendering scene on a card different from the one displaying

[Mischa Baars]

Hi test,

And I found this for you:
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/getting_started_with_the_gnome_desktop_environment/remotely-accessing-an-individual-application-wayland_getting-started-with-the-gnome-desktop-environment

I just tested it here and it works. I can run a Wayland server application
on a Wayland client.

Regards,
Mischa.

On Sat, Jan 27, 2024 at 11:01 PM Konstantin Kharlamov <Hi-Angel at yandex.ru>
wrote:

> On Thu, 2024-01-25 at 18:13 +0300, test wrote:
> > What is the most proper way to re-route output from a rendering card
> > (which can have it's output disconnected or don't have it at all) to
> > a
> > displaying card (weak one, iGPU etc)?
> > For example, a laptop with an external card in an ExpressCard riser
> > (no
> > external display is connected to the card), or a desktop PC with
> > embedded video plus Nvidia Tesla?
> > How should I configure Mesa in order to get «auto-screen-grabbing»
> > from
> > the rendering card to the displaying one?
>
> Fixed the title.
>
> Sounds like you're interested in `DRI_PRIME` variable. See
> documentation here
> https://docs.mesa3d.org/envvars.html#envvar-DRI_PRIME
>
> Assuming you want this for development purposes, you can also use
> Vulkan API, but Idk details here.
>
> This is a user question though, so belongs to mesa-users and not to
> mesa-dev.
>
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