[mythtv] [PATCH] Fix for crash using OpenGL vsync

John Patrick Poet john at BlueSkyTours.com
Fri Jul 2 12:06:46 EDT 2004

On Fri, 2 Jul 2004, Isaac Richards wrote:

> On Friday 02 July 2004 07:59 am, Doug Larrick wrote:
> > Believe me, I spent almost a month trying easier approaches.  The thing
> > is, to work around the OpenGL driver bug I discussed in my original
> > message, I need to make these glXWaitVideoSyncSGI calls from a thread
> > that never goes away, or the *second* attempt to start up the vsync
> > system fails (crashes).
> Btw, is there any way to reliably reproduce this?  I can't get it to die at
> all here with driver v.5336 with a GF4.

I have tried it with both a MX440-8x and a FX5600.  It consistantly crashes
the *second* time I try and watch something.

> Does calling glXMakeCurrent(disp, 0, 0) and/or DestroyContext when it's done
> with the GL stuff help any?

I am pretty sure Doug tried that.  If not, I could test it.


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