On Wednesday 28 December 2005 21:43, Christian Mayer wrote: > The lighting is AFAIK the normal OpenGL lighting with an "hardware" > light at the sun position. (Don't know for sure but I'd be very > surprised if that's not the case) > > The performance killer would be the T part of the T&L anyway. All > vertices will be transformed at least once. Each transformation is a 4x4 > matrix times a vector, i.e. 16 multiplies and 12 additions. Mutliply > that will all vertices that might be displayed and you see why the > GeForce cards were a big step foreward.
That explains why my TNT2 battled with FG so much. Thanks for the explaination. Paul ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ Flightgear-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-users
