Date: Sat, 14 Aug 2004 23:28:50 +0900 (JST)
Message-Id: <20040814.232850.78724946.garrigue at kurims.kyoto-u.ac.jp>
To: seguso.forever at tin.it
Cc: lablgtk at kaba.or.jp
Subject: Re: What's wrong with this code? [GlGtk.area]
From: Jacques Garrigue <garrigue at kurims.kyoto-u.ac.jp>
In-Reply-To: <200408141519.27667.seguso.forever at tin.it>
References: <200408141519.27667.seguso.forever at tin.it>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

From: Maurizio Colucci <seguso.forever at tin.it>
> 
> I am trying to write a hello-world program with lablgtk2 and GlGtk.area, but 
> something is going wrong. The following program should display a GtkGlArea 
> with a triangle inside:
[...]
> But this only displays an empty window. The gl area is not visible.

Strange enough, this works perfectly on my FreeBSD-5.2.1/XFree86-4.3.

> The output is:
> 
> debian:/dat/pub/src/by-mau/adventure/src/ocaml# ./test.exe
> GlGtk-WARNING **: could not make current
> GlGtk-WARNING **: could not make current
> GlGtk-WARNING **: could not make current
> Delete event occurred
> destroy

Looks like you have a problem with OpenGL. 

> Does the program work on your machine?
> (I am using debian sid with the nvidia driver)

The nvidia driver may be the problem.
Try disabling DRI as a first check.

    Jacques