From: lberto (lberto++at++md.prestige.net)
Date: 05/07/2002 16:58:19
Svend Tang Petersen wrote:
> You have a few options.
>
> Either do 'eye deocomposition', i.e. render left eye and right eye on
> different pipes then readback the framebuffers using glReadPixels and draw
> using glDrawPixels to left and right buffer on a composition pipe. I.e.
> your final pipe outputs an actual active stereo video signal.
if you have a third pipe you could also do this with deplex which
will allow you to use the first two pipes for left and right eye and
the third pipe for the time plexed out!
just a thought ~;-}>
See Ya ~;-}>
lawrence bertoldi software engineer
lberto++at++md.prestige.net Simagery Inc.
>
>
> Or you can probably find an electronics box (I can ask people I know in
> the video business) which turns two mono signals into a single stereo
> signal.
>
> Had it been the other way around, i.e. active stereo to two eye channels
> out then theres is a simple trick you can do with special vfo's without
> touching the application. However it doesnt work the other way around.
>
> Svend
>
> *******************************************************************
> Svend Tang-Petersen, MSc Email: svend++at++engr.sgi.com
> SGI Pager: svend_p++at++pager.sgi.com
> 1600 Amphitheatre Pkwy Phone: (+1) 650 933 3618
> Mountain View
> California 94043
> USA
> *******************************************************************
>
> On Tue, 7 May 2002, Saquib Ibrahim wrote:
>
> > Hi,
> >
> > We are trying to configure our app to use pipe 0 on our IR3 for a left
> > eye view and pipe 1 for a right eye view. we then need to route the
> > output through a single video channel to a CRT projector and make sure
> > that the images shutter for stereo viewing.
> >
> > We have the left and right eye views in seperate windows on seperate
> > pipes but how do we now route the output from video channel :0.0 (left
> > eye) and :1.0 (right eye) through video channel :1.1 and have the images
> > alternate for viewing using crystal eyes shutter glasses.
> >
> > Thanks in advance.
> >
> > Saquib.
> > --
> >
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