From: Dorosky, Christopher G (christopher.g.dorosky++at++lmco.com)
Date: 06/29/2003 08:35:40
Ron,
So far as I know, you don't need a development license. The license is for
run-time, and if you don't have it, then you simply get a advertising
banner.
Performer provides you with a scene graph. It does a lot of things for you
automatically, which can either be nice, or annoying, depending on your
desired level of control.
The scene graph is something you add objects to, and they will be drawn for
you without ever having to deal with them again, unless you want to.
It also provides frustum culling, and some simplistic multiprocessing
control.
It's a pretty easy to go from OpenGL to Performer.
Chris
-----Original Message-----
From: rbuchan++at++bgnet.bgsu.edu [mailto:rbuchan++at++bgnet.bgsu.edu]
Sent: Friday, June 27, 2003 11:37 PM
To: info-performer++at++sgi.com
Subject: [info-performer] OpenGL vs. Performer
I have been writing code in OpenGL and am familiar with this
environment. However, this fall, we will be purchasing a development
license for Performer. I am not familiar with any specifics of
Performer, so I have a few simple questions.
How hard will a conversion be from OpenGL to Performer?
Are there any good references on how to go about porting code from one
to the other?
TIA - Cheers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ron E. Buchanan
Graduate Student (graphics, VR/VE, sound)
Bowling Green State University
E-mail: rbuchan++at++cs.bgsu.edu
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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