[Caml-list] weird bugs with lablgl

[Caml-list] weird bugs with lablgl

[Michael Vanier]

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
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Re: [Caml-list] weird bugs with lablgl

[Sven Luther]

On Tue, Jun 18, 2002 at 09:33:28PM +0200, Remi VANICAT wrote:
> Michael Vanier <mvanier@cs.caltech.edu> writes:
> 
> > 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.
> 
> Which version of Debian ? there is a lablgl package in sid and (I
> think) woody. It's name is liblablgl-ocaml-dev, you should use it,
> it's cleaner.

And which of the various mesa libs do you use with it ? I strongly
suggest you using the xmesalibs, and not the other ones, since it
iswith them thatitest.

Friendly,

SvenLuther
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Re: [Caml-list] weird bugs with lablgl

[Remi VANICAT]

Michael Vanier <mvanier@cs.caltech.edu> writes:

> 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.

Which version of Debian ? there is a lablgl package in sid and (I
think) woody. It's name is liblablgl-ocaml-dev, you should use it,
it's cleaner.
-- 
Rémi Vanicat
vanicat@labri.u-bordeaux.fr
http://dept-info.labri.u-bordeaux.fr/~vanicat
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Re: [Caml-list] weird bugs with lablgl

[Michael Vanier]

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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