From: faculaganymede (faculaganymede++at++yahoo.com)
Date: 10/17/2005 20:14:38
Hi Stace,
Thank you for your reply.
Our Performer application is running on a SGI Onyx
300, InfiniteReality 3, with 2 graphics pipes. The
two pipes are genlocked. We want to know the time lag
between the outputs of the master pipe and the slave
via the DDO2 DVP channels, down to the order of
nano-seconds. Our Performer application runs at a
frame rate of 200 Hz, 12-bit RGB image depth. Do you
have any info on this, or can point us to someone at
SGI who may know?
--- Stace Peterson <stacep++at++sgi.com> wrote:
> Hi,
>
> The short answer is no, typically there should not
> be a lag time between
> pipes. The long answer is, it depends upon your
> hardware setup and
> application. With the correct hardware, an
> application can synchronize
> the swap behavior of multiple pipes. Are you not
> seeing synchronization
> of pipes? If so, what is the application (just
> perfly?) and hardware
> setup?
>
> Thanks,
> Stace
>
> faculaganymede wrote:
> >
> > Performer gurus,
> >
> > When using two pipes in a Performer application,
> is
> > there a time lag between the outputs of the two
> > graphics pipes?
> >
> > Thanks,
> > faculaganymede
> >
> >
> >
> > __________________________________
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> >
> >
>
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> http://www.sgi.com/software/performer/
> > Open Development Project:
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> > Submissions:
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> > Admin. requests:
> info-performer-request++at++sgi.com
> >
>
-----------------------------------------------------------------------
>
> --
>
------------------------------------------------------------------
> Stace Peterson
> stacep++at++sgi.com
> Silicon Graphics, Inc.
> (650) 933-2323
>
Thanks,
faculaganymede
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