Brian,

Sorry, I should have mentioned that I'm using the Mesa 3D openGL
implementation on Debian Linux.  The number of installation options is
horrific, though, so I may have chosen a sub-optimal configuration.
However, I haven't had any problems when using openGL from C programs.

Mike

> Date: Tue, 18 Jun 2002 16:50:34 +0000 (GMT)
> From: Brian Rogoff <bpr@bpr.best.vwh.net>
> 
> On Mon, 17 Jun 2002, Michael Vanier wrote:
> > I just compiled and installed lablgl (the ocaml interface to OpenGL).  The
> > example programs work, but only some of the time.  The rest of the time,
> > the OpenGL part of the display (i.e. the non-Tk part) is completely blank,
> > or (even stranger) it duplicates whatever was under it when it was created
> > (kind of hard to describe).  This behavior is very sporadic; typically a
> > given example program will only work once; the next time I invoke the
> > program you get the misbehavior I described above.  Has anyone else had
> > this kind of behavior, or know what might be causing it?
> 
> Mike,
>     I've had similar problems when I used the OpenGL libraries provided by
> Sun, but not with Mesa3D. I never bothered to track down the source of the
> problem. It also varies across systems (I have a Solaris box and a Linux
> box); what are you running on? I managed to get a working system hacked up
> at least on Linux, with Lablgtk, Lablgl (you need an extra widget I think
> too) and Mesa3D.
> 
> -- Brian
> 
> 
> 
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