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[Bug 382636] Re: glxgears randomly reports vertical sync, but isn't sync'd

 

Got more weird results today:

derek@dereksbox:~$ glxgears
Running synchronized to the vertical refresh.  The framerate should be
approximately 1/4 the monitor refresh rate.
7636 frames in 5.0 seconds = 1527.029 FPS
7814 frames in 5.0 seconds = 1562.751 FPS
7776 frames in 5.0 seconds = 1555.102 FPS
derek@dereksbox:~$ glxgears -sync
Usage:
  -display <displayname>  set the display to run on
  -stereo                 run in stereo mode
  -fullscreen             run in fullscreen mode
  -info                   display OpenGL renderer info
  -geometry WxH+X+Y       window geometry
derek@dereksbox:~$ glxgears
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
7732 frames in 5.0 seconds = 1546.356 FPS
7817 frames in 5.0 seconds = 1563.353 FPS
7461 frames in 5.0 seconds = 1492.181 FPS


1/4 the monitor refresh rate now!

-- 
glxgears randomly reports vertical sync, but isn't sync'd
https://bugs.launchpad.net/bugs/382636
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