[mythtv] MythGallery OpenGL problems

Dan Morphis dan at milkcarton.com
Wed Mar 17 11:21:49 EST 2004

Joseph, I don't know if you saw the message this morning on -users, but 
Jason Donahue got his gl stuff to work by running nvcheck.sh  Check the 
message titled "RE: [mythtv-users] OpenGL problems (solved!)."  It might 
be worth a shot.


Joseph A. Caputo wrote:

> Moving this over from the -users list, as I think it might be something 
> with the way the MythGallery OpenGL transitions are written (or at 
> least initialized)
> I recently rebuilt my existing Myth box, doing a bare-metal install of 
> Fedora (had been using RH8).  Pretty much a seamless transition, except 
> now the OpenGL transitions in MythGallery don't work.  Here's the 
> situation:
> - Using GF4MX 420 with -4363 binary drivers from Nvidia
> - OpenGL ***is working***!!!  TuxRacer runs fine, Goom works in 
> MythMusic, glxgears gives anywhere from 600 - 1000 fps.  I compiled 
> some of the OpenGL examples in the Qt distribution, and they seem to 
> work fine.
> - Using ATrpms kernel & nvidia-4363 driver rpm from ATrpms
> - Running Myth CVS from 3/15
> The thing is, when I run mythgallery with opengl transitions enabled, it 
> doesn't crash.  I get no errors about GLX not being available.  It just 
> seems to run the transition with no hardware acceleration... I get only 
> a few frames/second.
> This is just a shot in the dark, but IIRC mythgallery is currently the 
> only module to use the Qt OpenGL widget classes (I believe Goom is 
> straight OpenGL)... so my first thought was that it was a problem or 
> conflict w/Qt and my OpenGL installation... but the Qt example programs 
> seem to work fine.  Is it possible the mythgallery transitions are 
> missing some step in initializing OpenGL w/respect to Qt ?
> Any help would be appreciated.
> -JAC
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