[gl4java-usergroup] Re: Activating and freeing GL context

[Sven G. <sgo...@ja...>]

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On Sunday 22 October 2000 12:16, you wrote:
> Hello!
>
> It seems like this message slipped by unnoticed. Since it is important
> issue I'm sending it again.
>
>
>
> -------- Original Message --------
> From: Max Gilead <gi...@li...>
> Subject: Activating and freeing GL context
> To: GL4Java mailing list <gl4...@li...>
>
> Hello!
>
> Is there any way of checking if a GL context is made already current
> (gljMakeCurrent())? Calling gljMakeCurrent() twice crashes JVM, haven't
> checkeg gljFree() twice... but is there some clean way of checking it?
>

Hmm .. well no application - in my experience - crashes,
if gljMakeCurrent replaces a current context !

Well, we can add a gljGetCurrentContext native function to GLContext.
Also we may can add a gljMakeCurrentNoReplace thing to GLContext !

How do you vote ?

> BTW, is it possible to change GL4Java's behavior from crashing JVM to
> just throwing an exception in case of duplicate context activation? This
> is true for GL4J 2.4.0.0 and Sun's JVMs 1.2.2 and 1.3rc1 and IBM's 1.3 /
> Linux.
>

Never happens to me.
Please send a little code, where the error occures (a complete class, please).

> Max
>

Sven

>
> --
> Max Gilead (gi...@li...)
> http://3d.linart.krakow.pl/OfficinaArtificialis
> ---
> -- XMage: Image / 3D / OpenGL Java library -
> http://xmage.sourceforge.net
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