I think it is 32MB. I don't think it is a texture issue since the frame rate goes up when I pan away. I might try switching to the lowres scenery textures and see whether that makes a difference.
Richard > -----Original Message----- > From: David Megginson [mailto:[EMAIL PROTECTED] > Sent: 27 February 2004 2:38 pm > To: FlightGear developers discussions > Subject: Re: [Flightgear-devel] 2D EFIS Instrument > > > Richard Bytheway wrote: > > > I noticed that the new 3D instruments on pa28-161 causes my > frame rate to > > drop to low single digits (2-3 fps) (Windows 2000, Cygwin, > Celeron 600, > > GeForce2MX). Panning the view so that the instruments are > not in view > > brings it back up to about 20fps. I cannot remember what I > got with the > > 2D instruments though. > > How much texture memory do you have? For the current 3D > instruments, I used > the very large textures from the 2D instruments (the ones for the > high-resolution 2D Cessna 172SX panel). Those are mostly > 256x256 each, I > think, and so they use a *lot* of texture memory (the > Attitude Indicator > alone has four of them) -- it's not enough to hit my 32MB > GeForce2Go, but > still, a lot. Also, I'm not starting at KSFO -- the > structures around there > also use up a lot of texture memory. If you have only 16MB > of texture > memory on your card, you'll probably be in trouble. > > It will be an easy matter to shrink the 3D instrument > textures to 128x128 or > even 64x64. If it's a texture-memory problem, you'd see the > same thing with > the 2D or the 3D code. > > > All the best, > > > David > > _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
