Re: Performer at ITEC

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Brian Corrie (bcorrie++at++cs.anu.edu.au)
Fri, 24 Apr 1998 13:06:31 +1000

> Rick Weyrauch wrote:
> >
> > I am also interested in developing an open 'freeware' scene graph
> > toolkit for OpenGL. The graphics community (both on Linux and Win32)
> > could use such a tool.
> >
> > With the advent of Fahrenheit, it there a problem with SGI releasing the
> > OpenGL++ spec to the public?
>
> The point would seem to be that until the ARB does something about it,
> even assuming that there is sufficient interest there (which may be
> doubtful in light of the members and either their association with
> PC platforms (Intergraph) or the Fahrenheit agreement (HP, SGI,
> Microsoft) or their own proprietary scene graph approaches (SUN)),
> then there really isn't an OpenGL++ and therefore no spec to follow.
>
> Anyone seeking to write such an API may be wise to follow their own
> direction, it may even produce something novel. The commercial
> offerings currently out there seem either very poor or very
> expensive.

But, as you say, most of the technology in OpenGL++ will be leveraged for
Fahrenheit (man, every time I type that I type it wrong... couldn't they have
picked a name that was easier to type 8-). I would assume that much of the
OpenGL++ Scene Graph architecture will carry through to Fahrenheit. I think
the goal of a Mesa++ should be to implement the Fahrenheit API much as Mesa
implements the OpenGL API. Thus the OpenGL++ spec would be an excellent
starting point for such an effort. One does already exist, up to a point, so
it would be nice if SGI and/or the ARB could release it into the public domain.

Cheers,

        Brian

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