On Thursday 04 Jul 2002 8:03 pm, Tim Smith scribed numinously:" > On Thursday 04 Jul 2002 7:22 pm, Felix Kühling scribed numinously:" > > > On Thu, 4 Jul 2002 17:19:23 +0100 > > > > Tim Smith <[EMAIL PROTECTED]> wrote: > > > (on my system glxgears behaves quite oddly with pageflipping enabled > > > even with only one; it has brief periods of seeming to animate slowly > > > backwards, but shows no significant change in framerate - it is the > > > only app that I've tried that behaves so strangely) > > > > This may be just because it is so fast with page flipping that the CRT > > refresh samples the animation at too low a rate. If between each > > refresh the gear turns forward by more than half a tooth it appears to > > be spinning backward. > > I figured something like that; wheels on a car in tv programs and all > that. It just seems odd that it shows no significant change in the > framerate versus no pageflipping where it doesn't happen - within one or > two fps only. *shrugs*
And before anyone points it out, yes I know it'll be to do with where the scan line has gotten to given that the page flip happens more quickly than the draw-to-front-buffer. -- Tim Smith ([EMAIL PROTECTED]) "Oink" is a deadly insult in Gamorrese. ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Caffeinated soap. No kidding. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
