On Wed, Sep 09, 2009 at 08:49:11AM +0200, Guennadi Liakhovetski wrote: > Working with a Linux framebuffer driver, debugging its panning > functionality, I'm using df_fire and df_knuckles examples to test the > driver. df_fire runs fine. Yet another test-program also runs fine. But > with df_knuckles I'm seeing strange effects. It looks like the image > instead of just "smoothly" changing its shades, sometimes jumps to older > images, which do not belong to the smooth image chain. Can it be, that the > program doesn't switch buffers quite cleanly? Maybe it calculates in the > current buffer sometimes? Or what can be the reason?
What hardware is that? We've seen similar (as far as I can imagine from your poetic explanation) effects on PXA platforms, and IIRC they disappeared when we switched off frequency scaling. Might be something entirely different in your case though :) Daniel _______________________________________________ directfb-users mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
