Gnome 3 animation effects not visible

[trs]

I've been using VirtualGL with Gnome 3 and an Nvidia Quadro K2000 GPU but noticed that the "spring" animation doesn't happen when opening the list of applications. I also don't see fade animations that I normally see on a directly connected monitor. I'm puzzled as to why because glxspheres64 is definitely running accelerated so VirtualGL is in use. Does anyone have any ideas how to get these types of animations working in Gnome 3?

[DRC]

Apparently GNOME 3 automatically does that if it detects a remote
display environment.  I'm not sure how it detects that, but even if I
run the window manager using VirtualGL with full hardware acceleration,
GNOME 3 still thinks it's on a remote display.  The workaround described
here:

https://www.reddit.com/r/gnome/comments/3jjkmn/gnome_shell_animations_missing_when_using_remote

works for me.

DRC

[Tim Stowell]

Thanks for looking into this. I tried running the following command from that page:

gsettings set org.gnome.settings-daemon.plugins.xsettings overrides "{'Gtk/EnableAnimations': <1>}"

I then ran "sudo systemctl restart gdm" and restarted turbovnc but still couldn't see any animations. Was there anything else you had to do to get the animations working?

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[DRC]

Run that command inside the TurboVNC session or with DISPLAY pointed to the TurboVNC session. Apparently the choice of whether or not to animate is based on some inherent property of the 2D X server. GDM is the display manager for the 3D X server, which doesn’t affect this issue.

On Mar 1, 2021, at 8:23 PM, Tim Stowell <stow...@gmail.com> wrote:



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[Tim Stowell]

Still no luck unfortunately. Which version of gnome are you running? I'm using 3.32.2 on RHEL 8.3. I did some more research and it looks like if Gnome detects you're running in Xvnc then it will disable animations (https://gitlab.gnome.org/GNOME/gnome-settings-daemon/-/blob/gnome-3-32/plugins/xsettings/gsd-remote-display-manager.c#L276), It seems like overriding the gsetting should fix it though.

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[DRC]

I'm on CentOS 7.9 / GNOME 3.28.1.  I can confirm that the trick does not work with RHEL 8.  :(  I really wish developers would stop deliberately disabling things in a VNC environment.  A good number of large organizations use TurboVNC and VirtualGL in lieu of 3D workstations.  It's 2021, and we need to stop assuming that all remote display environments are slow.

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