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OpenGL and VNC slow.
http://forum.linhes.org/viewtopic.php?f=3&t=13453
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Author:  spalVl [ Thu Jan 11, 2007 11:02 pm ]
Post subject:  OpenGL and VNC slow.

Noticed navigating menus with OpenGL on over VNC is near impossible.

Found fix here.
http://www.dslinux.org/blogs/pepsiman/?p=73

Adding -noxdamage to /home/mythtv/.fluxbox/apps x11vnc line allowed me to see every other menu movement :( . Disabling page flipping in nvidia-settings made it normal again. Reboot or restart fluxbox after applying settings.

Not sure of side effects of changing the Nvidia setting.

Author:  opel70 [ Fri Jan 12, 2007 9:19 am ]
Post subject: 

Thank you.

Author:  Martian [ Tue Jan 16, 2007 12:55 pm ]
Post subject: 

Thanks for the tip! I can know enable OpenGL! I know that using the -noxdamage flag increases VNC network traffic but as it's on a 100 Mbit connection I don't really care.

Does anyone know what effect (if any) disabling page flipping in nvidia-settings has? I did some googling but the few results I found were above my level of understanding. I just feel like I'm missing out on something by not having that box checked and I'd like to know what.

Martian

Author:  wkorfhage [ Thu Jan 25, 2007 11:06 am ]
Post subject: 

How do you change the nvidia settings?

I have been trying to use VNC, and sometimes that mythfrontend window does not update, although I know it is changed. I have to quit the VNC session and reconnect to see the updated window. Quite frustrating.

Author:  jigawho [ Thu Jan 25, 2007 12:17 pm ]
Post subject: 

I have the same problem with the frontend not updating. I don't have a fix, but a workaround I use is to open up a terminal window (alt-x) and then switch between the two windows to force a refresh (alt-tab)

Of course this also switches between programs in Windows, so if you have a lot of stuff open it's a pain. Better than restarting your VNC session though.

Author:  spalVl [ Thu Jan 25, 2007 1:52 pm ]
Post subject: 

Quote:
How do you change the nvidia settings?

Exit MythTV to the fluxbox desktop. Right click menu>apps>tools>nvidia-setting and somewhere in there is an Nvidia settings and is in there somewhere.

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