On Wednesday 27 April 2005 19:12, Arnt Karlsen wrote: > On Wed, 27 Apr 2005 09:05:39 -0700, Andy wrote in message > > <[EMAIL PROTECTED]>: > > Arnt Karlsen wrote: > > > ..how big an area can be done with 32, 64 128, 256MB VRAM? > > > Guesstimates will do fine for now, I'd like to hear from those of > > > you guys who has run the San Diego photo scenery; which video cards, > > > which FG version, etc. > > > > A single 32bpp 4096x4096 texture requires 64MB of card memory. > > Mipmaps multiply that by 4/3, of course (but reduce the memory > > bandwidth used at render time, so you want these even though they cost > > memory). Add in all the other stuff that gets drawn and the > > framebuffer and you can probably just barely fit this on a 128MB card. > > > > At 2m per pixel, that's a 8km square area. A 256MB card might be able > > to get you 12x12km or so. > > ..ah, ok, that'll shoot down my KOSH scheeme, I guess I agree > with Paul we need a rewrite of the FG scenery engine. ;o)
Good luck! I'm I'm happy to test it when you're finished. :-) Cheers, Durk _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
