Curtis L. Olson wrote: > Ampere K. Hardraade wrote: > >> On July 28, 2005 12:36 pm, Vivian Meazza wrote: >> >> >>> There was a theory going the rounds that it was the PAPI/VASI lights >>> which >>> were/are the cause of the significant drop of frame rate around >>> airports. >>> >>> Vivian >>> >> >> Why can't just model them? >> >> It is ridiculous to see each light taken only 4 pixels when the camera >> is only a few meters away. >> >> > > Well, come up with a way where we can adjust the light color/intensity > based on relative view angle, and the light is not visible (or barely > visible) when viewed from behind. Our current approach is carefully > crafted to do this pretty well, but depends on using "glPoints" for the > lights. Smooth points is not implimented in hardware on "game" cards > that I'm aware of. But we are only using a few of them in any scene so > we get away with software rendered points just fine. Except nvidia > rolls out their next driver version and these software rendered points > have gotten excruciatingly slow on some cards ... but that now seems > fixed in the latest driver. > > Curt. >
Well, I'm using an ATI 8500 and it's hitting me pretty hard, dropping it to about 15%-25% of normal. Josh _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
