2 Commits

Author	SHA1	Message	Date
Keith Packard	4f3c37a1f1	present: Round fake MSC computations intead of truncating ... If the timer fired too early, we'd sometimes mis-compute the MSC for fake vblanks. Rounding the computation to the nearest MSC fixes this nicely. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Adam Jackson <ajax@redhat.com>	2013-11-20 13:12:22 -08:00
Keith Packard	5c5c1b7798	present: Add Present extension ... Provides both a software implementation using timers and driver hooks to base everything on vblank intervals. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Adam Jackson <ajax@redhat.com>	2013-10-31 16:59:18 -07:00