[vtkusers] tutorial, step1, Cone runs like a snail on OSX 10.5
sean at rogue-research.com
Thu Mar 12 20:02:53 EDT 2009
On 3/12/09 7:50 PM, Francois Bertel said:
>If your display has a vertical refresh rate of 60Hz and the vertical
>blank sync is set on your system,
>each rendering of a frame waits for the next vertical blank to swap
>the front and back buffer.
>I don't know how you can switch that off as a end-user on Mac.
Good thinking. VBL sync is always on in vtkCocoaRenderWindow. This is
the responsible snippit:
[context setValues:&one forParameter:NSOpenGLCPSwapInterval];
Darren, try commenting that line out and rebuilding VTK. See if
François' theory is correct.
Sean McBride, B. Eng sean at rogue-research.com
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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