Re: [gl4java-usergroup] Destroying and Creating canvases in a single window ? ? ?

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

Hi !

I'm using the version which is stored on
jausoft.com....
Is the CVS version compiled ? Because I'll need a
compiler if it's not...

Thanks you very much, anyway !

Florent Geffroy

 --- "Tobias L. George" <tg...@ul...> a
écrit : > Florent,
> 
> I should have mentioned that you HAVE
> to use the version of GL4Java that is on
> SourceForge CVS.  Are you using this
> version ? ? ?
> 
> If not you should go to this CVS and
> do a check out and build GL4Java
> from the sources.  Then calling
> cvsDispose() BEFORE removing the
> GLCanvas will work for you.
> 
>                   Peace, Love and Hair Grease,
> 
>                                       -TOBY
> 
> Florent Geffroy wrote:
> 
> >Oops, I sent my reply to Tobias directly, my
> mistake,
> >so here is the mail :
> >
> >Hi !
> >
> >Actually, the "glgDestroy Failed" occured when I
> >called cvsDispose ! I tried everything, but nothing
> >seemed to work...
> >As I'm using the GLEventListener way, I thought
> this
> >is the reason, maybe a bug when removing the
> listener.
> >But as I tried the subclassing way, I saw that it
> was
> >the same... 
> >Even if everything is properly closed (canvas
> stopped,
> >listener removed, etc.), it occurs when I call
> >cvsDispose... So, what happens ?
> >
> >And a little question : is the developpment of
> GL4Java
> >stopped ? Or is Sven Goettel still working on it,
> and
> >making a JFC/Swing implementations which works,
> >because I don't like to mix Swing (JFrame) and AWT
> >(GLCanvas and not GLJpanel) things together.
> >
> >Florent GEFFROY
> >
> > --- "Tobias L. George" <tg...@ul...> a
> >écrit : > Florent,
> >  
> >
> >>M'excuse, mais ma frances c'est plus mal que ton
> >>anglais . . .
> >>donc . . . I will be responding in english.  I
> think
> >>that what
> >>you may need to do to get rid of your problem is
> to
> >>make
> >>certain that you are calling cvsDispose() on the
> >>GLCanvas
> >>you are trying to get rid of PRIOR to the canvas
> >>being
> >>removed from the window, or its containing
> >>component.
> >>
> >>After this, you will not have the "gljDestroy
> failed
> >>. . ."
> >>message anymore, but I think your app will still
> >>slow down
> >>after a while.  I am still working on finding this
> >>problem.
> >>
> >>                                         Peace,
> Love
> >>and Hair Grease,
> >>
> >>                                                  
> 
> >>-TOBY
> >>
> >>Florent Geffroy wrote:
> >>
> >>    
> >>
> >>>I have exactly the same problem ! When trying to
> >>>destroy a Canvas, it tells me something like
> >>>"gljDestroy failed"... 
> >>>Actually, glj designate the GLContext, but I
> >>>      
> >>>
> >>founded
> >>    
> >>
> >>>that it is properly closed, so I can't explain
> why
> >>>this error occurs...
> >>>
> >>>Florent GEFFROY
> >>>
> >>>--- "Tobias L. George" <tg...@ul...>
> a
> >>>écrit : > Hello all,
> >>> 
> >>>
> >>>      
> >>>
> >>>>I am wondering whether or not anyone else is
> >>>>        
> >>>>
> >>having
> >>    
> >>
> >>>>trouble
> >>>>destroying and creating GLCanvases in a single
> >>>>window.  I
> >>>>have tried with both the binary release from
> >>>>Jausoft, and the
> >>>>CVS release that was on sourceforge as of March
> >>>>        
> >>>>
> >>22,
> >>    
> >>
> >>>>2003.
> >>>>
> >>>>I think that something is not being properly
> >>>>disposed of when
> >>>>a GLCanvas is destroyed.  I am able to create
> and
> >>>>destroy
> >>>>a few GLCanvases but after a while the
> GLCanvases
> >>>>that are
> >>>>created slow to a crawl when drawing.
> >>>>
> >>>>Try as I might, I have only been able
> >>>>to find a single bug in GL4Java.  It is in the
> >>>>GLCanvas code,
> >>>>during the first paint, the canvas adds itself
> to
> >>>>the top level
> >>>>window as a listener.  The problem is, that it
> >>>>        
> >>>>
> >>never
> >>    
> >>
> >>>>removed
> >>>>itself as a listener and so it would never get
> >>>>finalized.  This
> >>>>is not even a bug if you look at it from the
> point
> >>>>of view of
> >>>>always needing to destroy the top-level window
> in
> >>>>order to
> >>>>destroy a GLCanvas, although in practice you end
> >>>>        
> >>>>
> >>up
> >>    
> >>
> >>>>having
> >>>>to exit the program.  Be that as it may, I am at
> a
> >>>>loss for the
> >>>>moment as to why this slow down is happening
> when
> >>>>        
> >>>>
> >>I
> >>    
> >>
> >>>>create
> >>>>and destroy more than a few GLCanvases.  I am
> >>>>looking
> >>>>through the GL4Java code again now, and I will
> >>>>        
> >>>>
> >>find
> >>    
> >>
> >>>>out why
> >>>>sooner or later by the grace of VisualC, but if
> >>>>someone has a
> >>>>clue, could you help a brotha out ? ? ?
> >>>>
> >>>>
> >>>>                     Peace, Love, and Hair
> >>>>        
> >>>>
> >>Grease,
> >>    
> >>
> >>>>                                       -TOBY
> >>>>
> 
=== message truncated === 

___________________________________________________________
Do You Yahoo!? -- Une adresse @yahoo.fr gratuite et en français !
Yahoo! Mail : http://fr.mail.yahoo.com