> Paul Martz wrote: > > It's really implementation dependent. The NVIDIA OpenGL driver on > > Windows, for example, allows you to issue a certain number of > > SwapBuffers calls before it blocks. I think the default is 2 calls, > > but this is controllable with a driver setting and can be > as high as 10 (I think). > > but this basically means that you can't really depend on this > functionality for not saturating your CPU, as the video > driver might support it, it might allow 2 or more frames to > be sent before blocking, etc.
...but your process will block when it hits the device-specific limit for swap calls. So, this prevents your process from saturating the CPU (except for those initial few frames). Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com 303 859 9466 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
