Re: Final word on reading the Z-buffer in Performer 2.0

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Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Tue, 1 Oct 1996 10:23:12 +0100

This seems misleading, are you saying you managed to read the zbuffer
on RE2 while multisampling?

Did you turn on pfAntialias or just have the visual without actually using
multisampling?

Did you mean Infinite Reality?

Thanks,
Angus.

On Sep 27, 2:38pm, Janet Estabridis wrote:
> Subject: Final word on reading the Z-buffer in Performer 2.0
> Some information:
>
> RE2, IRIX 5.3 --
>
> You can read the zbuffer successfully from Performer 2.0 in a draw callback
> routine using glReadPixels. You can have texturing enabled and
> multisampling visual enabled. I have now succeeded thanks to Jenny at SGI.
> Things work like they are supposed to, I just swapped GL_FLOAT and
> GL_DEPTH_COMPONENT in the glReadPixels and I never caught it until I sent
> her my code.
>
>
> Janet Estabridis
> NAWC China Lake
> Code 4722E0D (619) 939-6984
>
>
> =======================================================================
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
>-- End of excerpt from Janet Estabridis

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