Re: pbuffer and distortion

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Angus Dorbie (dorbie++at++sgi.com)
Tue, 20 Oct 1998 11:34:38 -0700

Yohan Baillot wrote:
>
> Hello pfPeople,
>
> I already ask this question one or two weeks ago but my email was sick.
> Did anybody experienced with off-screen rendering with pixel buffers in
> performer on an Onyx? I am looking for a starting point like a code sample
> that would work and that I would modify. Everything I tried up to here
> lead me to BadMatch blabla jargon.

You shouldn't need this for distortion correction,
in fact the pbuffer will require additional frame
buffer memory.

Draw to the backbuffer, read to texture memory then draw the
texture mesh over the original channel. This should work just
dandy.

Cheers,Angus.

-- 
"Only the mediocre are always at their best." -- Jean Giraudoux 


For advanced 3D graphics Performer + OpenGL based examples and tutors:
http://www.dorbie.com/

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