Re: Unreliable timing of glXWaitVideoSyncSGI

2006-08-28 Thread Jan Gukelberger
Hi Ville, On Sun, 2006-08-27 at 23:39 +0300, Ville Syrjälä wrote: On Sun, Aug 27, 2006 at 07:36:31PM +0200, Jan Gukelberger wrote: Hi, I'm trying to port an application that presents visual stimuli for experiments in neuroscience from DirectFBGL to X/DRI. A main requirement is

Re: Unreliable timing of glXWaitVideoSyncSGI

2006-08-28 Thread Ian Romanick
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jan Gukelberger wrote: I'm trying to port an application that presents visual stimuli for experiments in neuroscience from DirectFBGL to X/DRI. A main requirement is reliable timing of the drawing code, i.e. on every VSYNC a new frame must be

Unreliable timing of glXWaitVideoSyncSGI

2006-08-27 Thread Jan Gukelberger
Hi, I'm trying to port an application that presents visual stimuli for experiments in neuroscience from DirectFBGL to X/DRI. A main requirement is reliable timing of the drawing code, i.e. on every VSYNC a new frame must be ready in the back buffer so that the buffers can be swapped. For this