setcap on kwin

[Vlad Zahorodnii]

On 9/4/23 13:44, David Edmundson wrote:
> That was true, we need to research and see if it's still true.
> Gnome have dropped their cap_sys_nice.
>
> For setting nice we many options:
>   - kwin_wayland_wrapper can be cap_sys_nice set it the nice a child
> PID (needs verifying)
>   - maybe the systemd cgroup settings for priority are as good/better
>   - rtkit
https://invent.kde.org/plasma/kwin/-/merge_requests/1857 FTR
> EGL contexts Carlos from Mutter says in a related gnome MR:
>
> "EGL_CONTEXT_PRIORITY_HIGH_IMG is already obtainable without
> additional capabilities (at least in the i915 driver)"
> https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2284

That's not true with amdgpu.

> There's also an open mesa MR to cache context prioirty perimissions at
> the time the context is created, which might allow for dropping after
> initial setup.