How do I wait for vertical retrace?
michel at tungstengraphics.com
Mon May 5 01:22:19 PDT 2008
On Sun, 2008-05-04 at 20:06 +0200, Johan Walles wrote:
> I would like to wait for vertical retrace in an X application. How
> can I do that?
> The point would be to avoid flicker in my app by using double
> buffering and update the on-screen image during vertical retrace.
There's no mechanism for this yet in X. Your best bet is probably to use
OpenGL, e.g. the GLX_SGI_swap_control extension.
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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