Re: [gl4java-usergroup] gljDestroy failed (free)

[<lec...@ya...>]

I tried to do what you said, but there one thing I
must  be missing, because I don't know how to insure
that the termination comes from the canvas. I tried to
do it inside a windowClosed event, but it doesn't
work...

The main problem I have is to stop the GL drawing !

Have you any source code example ?

Thanks

 --- Gary Stewart <gi...@st...> a écrit : >
> Anyway, "gljDestroy failed (free)", who knows what
> it
> > does mean ?
> >
> > I have a JFrame containing a GLAnimCanvas called
> > "canvas", created with
> >
>
GLDrawableFactory.getFactory().createGLAnimCanvas(caps,
> > 640, 480);
> >
> > Then, i add a GLEventListener
> > (canvas.addGLEventListener) on it, containing all
> the
> > init and display methods. But everytime I try to
> call
> > canvas.cvsDispose(), it tells me that gljDestroy
> > Failed. I know that it means he can't destroy the
> > GLContext, but i dunno how to correct it...
> >
> > When I Use a simple GLAnimCanvas, without
> > GLEventListener, this error never occur. Is it a
> > GLEventListener problem ? Or am i doing something
> > wrong ?
> 
> 
> I don't know exactly what it means but I do know
> where it occurs.
> Basically, as I'm sure you know, since the event
> that terminates the main
> window can be called at any time, then the
> GLAnimCanvas can be within a
> draw() at the time the termination is called, this
> causes this error to
> appear. The way I got around it was to insure the
> termination occured
> correctly from within the draw. For example if you
> have a window close
> event this can set a boolean flag within the canvas
> which if found to be
> true terminates the application (so effectively your
> canvas is responcable
> for terminating the application). You could also
> maybe set up an event
> listener inside the canvas to stop the OpenGL
> drawing.
> 
> Hope this helps,
> 
> Gary
> 
> 
> 
>
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