Hi Victor,
Victor Haefner wrote:
> Hi
>
> I am curious about SceniX (
> http://developer.nvidia.com/object/scenix-home.html )
>
> ..its advantages / disadventages in comparison to OpenSG
>
> I'm thinking SceniX might be closer to the video card, but can it match the
> clustering abilities of OpenSG?
All of my comments are based on looking at the Scenix API a while ago and
discussion that I've had with the Scenix team lead usually every year at
SIGGRAPH. I've never practically used it, though.
IMHO the main advantages of Scenix are
- tight CGFX and MetaSL integration
- support for Optix (the nVidia Ray Tracer)
- supported by a commercial company (whether that's a pro or con is a loaded
question. Ask the Cosmo3D or the Fahrenheit early adopters...)
- written by nVidia people with access to driver developers and source code, so
they definitely know what not to do
It is a pretty well designed system that focuses on getting the best
performance
out of nVidia hard- and software. In that respect it is very much like
Performer. It also integrates a whole laundry list of effects (see
http://developer.nvidia.com/object/scenix-details.html), but I'm not sure how
hard-coded and one-shot they are, or if there is an extensible backend behind
them.
I'm not aware of any distribution support, and it's multi-threading is just
based on node locking, which IMHO is just wrong. It can do multi-GPU rendering
using CompleX, but that's it. So in that respect I don't see it as competition
to OpenSG. It's also not really designed to be as extensible, so integration of
new features is going to be a challenge.
But again, I've never used it myself. I'd be interested to hear from people who
have.
> (I hope I'm not pissing someone off by bringing up another scene
> manager, Just interested in the technicalities. )
As long as you're not mindlessly bashing OpenSG not at all. :)
Yours
Dirk
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