Re: Performer vs OpenGVS

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Angus Dorbie (dorbie++at++multipass)
Fri, 12 Dec 1997 14:59:43 -0800

I recommend you use Performer, OpenGVS doesn't seem to leverage SGI HW
very well, particularly on the high end or and Multi-processor machine.

I don't advise you to use OpenGL, this is more work than getting good
performance out of the Performer API, you need more skill if using
OpenGL and more time, as well as knowledge about Real-time Multi-Processing
and efficient graphics implementation.

Cheers,Angus.

On Dec 11, 6:02pm, Maria Diaz Soloaga wrote:
> Subject: Performer vs OpenGVS
>
> [ plain text
> Encoded with "quoted-printable" ] :
Hi all!
>
> I have a doubt in relation with Performer and OpenGVS. I know this is
> not only a Performer question because I´m over all interesting in the
> way OpenGVS works in a SGI machine. I have a potentially customer that
> wants to develop his simulator starting with a PC platform and after
> porting to a Silicon Graphics machine. He wonders if maintain the
> application in OpenGVS or porting to Performer.
>
> In the most external aspect, It looks that OpenGVS works similarly as
> Performer (the way they configure the scene, create a light source or
> implement a fog model) but I really don´t know if they process every
> frame also in a similar way as Performer, at least in the hardware
> level, so you can easily port from OpenGVS to Performer.
>
> Have any of you experience in porting one to another? How many effort
> could this cost? Do you have any notice of a converter form OpenGVS to
> Performer?
>
> A friend in SGI has recomend me to write it directly in OpenGL, do any
> of you think that this will suppose less effort than do it in OpenGVS
> and port it to Performer (or run it directly in OpenGVS, as I´m not sure
> on how is this going to go)?
>
> I will appreciate any help. Thanks in advance,
>
>
> **************************
> * *
> * Maria Diaz Soloaga *
> * Visual Simulation *
> * ASKIN SA *
> * Madrid, (Spain) *
> * *
> **************************
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
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>-- End of excerpt from Maria Diaz Soloaga

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