Detlef Faber > > Am Donnerstag, den 01.03.2007, 11:18 +0100 schrieb Thomas Förster: > > Am Donnerstag 01 März 2007 04:17 schrieb Ampere K. Hardraade: > > > On Wednesday 28 February 2007 21:58, Will Harrison wrote: > > > > However, I'm having one issue. > > > > On certain aircraft there is a huge drop is framerate > (I can't get > > > > above 2 fps). These aircraft are the 777-200, 787, and b1900d. > > > > There are probably others that I will have problems with that I > > > > just haven't tried yet. It seems to be an issue with on of the > > > > instruments in the cockpit. What is common between the > instruments > > > > on these aircraft? > > > > > > Not sure about 787, but as I recall, both b1900d and 777-200 use > > > gigantic textures in their instruments as well as panels. > > > > I'm pretty sure it's the textures, since I'm too getting > these drops > > with > > certain (heavily textured) buildings. Others with way more > vertices (but > > without texture) cause no drop at all. > > > So as a note to model builders: Care more about texture size than > > vertex > > count. > > I believe it is not texture size which is problematic but > transparency. My Aircraft use very large texture files > (2048x2048) and they cause very little drop in framerate > compared to a model without textures (about 5-7 fps). But > once I have the engine running and zoom in until the > (transparent textured) propdisk fills the screen, the fps > drops dramatically. > > Note, this doesn't happen on a machine with better graphics > card (Geforce 6600, 256 MB, compared to a MCP51 built in > graphic chip). >
Transparency is the biggest framerate killer here, then texture size and last vertex count. Thats with a GeForce6200. Note to aircraft designers (including self): avoid transparency like the plague. Vivian ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Flightgear-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-users
