Once again, thanks to everyone who has offered help. I ended up setting
breakpoints on the five glBegin calls in Geometry.cpp, yet my code doesn't
seem to hit any of them.
This is running on WindowsXP/NVidia gtx260 (drivers 6.14.12.5721) if that
makes a difference. I know when I run stuff on my linux box at home, I
have to use fluxbox instead of gnome because gnome kills my frame rate in
the same way I am seeing on the WindowsXP box. In gnome, I can run the
scene and I'll get horrible ~10fps while in fluxbox it gets ~400fps.
Because of hardware requirements, I have to run this on XP.
I can't seem to find any other glBegin entry points. Does anyone have any
suggestions? I checked to make sure that I wasn't explicitely dirtying the
display lists.
Thanks again! -K
On Wed, 1 Dec 2010, Keith Parkins wrote:
Hi,
My app is currently rendering via the slow path. I've checked for
DrawArrayLengths and BIND_PER_PRIMITVES, but don't seem to have either.
Dose anyone know of other things I should be looking for? I am walking
through the rendering stage to see if I can figure out what is getting set
that is putting me on the slow track, but I don't have endless amounts of
time to do this. If anyone has any understanding of this, I would be most
appreciative if you could point me in the right direction.
If you need more information, check my post "FBO problem?"
Thanks!
Keith
PS: Thanks a lot for the help, Jason.
On Tue, 30 Nov 2010, Jason Daly wrote:
On 11/30/2010 08:09 PM, Keith Parkins wrote:
I am using geo->setNormalBinding(osg::Geometry::BIND_OVERALL);
and I did see a model with NormalBinding PER_VERTEX. Should I be
setting
these to BIND_OFF or is it just BIND_PER_PRIMITIVE?
No, BIND_PER_PRIMITIVE is the "bad" binding. All of the others are
fine. If you are avoiding BIND_PER_PRIMITIVE and the attribute indexes,
I'm not sure why you'd be falling off the fast path. There may be other
reasons for it, but I can't think of them...
--"J"
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