I spent some time last night checking this demo out following an email from Brian. The last time I ran it everything seemed okay, but sure enough there were some big problems. I've fixed a few problems with this demo, most importantly: 1) Saved output of tessellation into display lists. This greatly improved performance, as the input contours are only tessellated once instead of with every call to display(). Not sure if this was necessary - see next point. 2) Made all global variables static. There was some really weird things happening to the screen width and height variables - they were being trashed after the tessellation completed. Don't know what was going wrong, and will look into this some more. This basically caused the app to hang while drawing the grid background. 3) Some other general cleanups associated with the shift to display lists. I pretty much had it working well last night, but it still crashes every now and then. I might send my copy to the list for review before I commit anything. Several of the problems may have been associated with my developmental work (I've changed pretty much all of the winding rule calculations). -- Gareth ============================================== Gareth Hughes mailto:[EMAIL PROTECTED] DEFINITYŽ Site Administration Project Lucent Technologies, Bell Labs Australia ph: +61 2 9352 8608 _______________________________________________ Mesa-dev maillist - [EMAIL PROTECTED] http://lists.mesa3d.org/mailman/listinfo/mesa-dev
