From: Jenny Zhao (zhz++at++dandan.engr.sgi.com)
Date: 04/06/2000 14:48:27
On Apr 6, 2:34pm, Angus Dorbie wrote:
> Subject: Re: glDeleteHandle of pfTextures
> I think I may have been mistaken about what happens on applying a
> pfTexture with a deleted gl handle, we're looking into it & will let you
> know if the handle is recreated.
>
> Make sure you have a null pointer though, you still have to subload
> again to avoid the sudden download hit.
>
> Your observation about the geostates is correct, but like I said that
> may be based on a flasehood from me.
>
> christopher.g.dorosky++at++lmco.com wrote:
> >
> > I don't understand.
> >
> > Does this mean that it is necessary to redo the geostates(that reference
> > that texture) or not? This could be a horrendous performance hit.
> > If not, how will the texture know where to go?
>
> >
> > If this is a sloppy approach, does performer provide a clean approach?
>
> This is a loaded question :-)
>
> If Performer offered an alternative I'd have told you about it by now.
Texture deletion is definitely a complicated problem in a multiprocessing
and multipipe application.
Chris, let's take this off-line and help you work out your issues.
If people are interested, we will post a summary in the future.
Thanks!
>
> CHeers,Angus.
>
>
> --
> For Performer+OpenGL tutorials http://www.dorbie.com/
>
> "In the middle of difficulty lies opportunity."
> --Albert Einstein
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>-- End of excerpt from Angus Dorbie
-- Jenny Zhao zhz++at++engr.sgi.com 650 933-5091 IRIS Performer Manager
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