Zach Deedler wrote:
5) Given TRIAL4, seems like a #ifdef WIN32 problem, or limitation in the OS
(I'm still unwilling to accept this)
...
If anybody has any other suggestions, I'm willing to try it.
Hi Zach,
I can't speak with the authority of others on this thread but I do
notice FWIW that:
With vertical sync off, my framerate jumps around a lot with paging
trying to happen (obviously) and vertical sync on, its fairly sweet.
However...
I can't speak for Linux but currently on windows (1.1.1 RC1), running a
non-fullscreen osgviewer with a paged dataset, I experience consistently
low (and erratic) framerates, even when there is no paging happening. I
don't know the inner electrics of it but somehow turning stats on
smooths it all out again for some reason. This condition seems
independent of vertical sync settings.
OT: I came across these trying to fathom why SLI would limit my
framerate by dividing the refresh rate by number off
rendersurfaces/windows. Turning vertical sync off let me have a few more
frames than 20 with more oomf to stay up as well (suggesting performance
was almost scaled as well as divided?). I guess the drivers are not
really designed for my clutzy fingers yet ;)
Garry
--
Garry Keltie
garrydotkeltieATrmit.edu.au
VR Centre - Research & Innovation
RMIT University
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