From bd20791e8e4a9b8aa8e8dfe1cc76e91a471f5c67 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 23 Oct 2013 16:15:35 +0100 Subject: man: Describe the TearFree option Signed-off-by: Chris Wilson --- man/intel.man | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'man') diff --git a/man/intel.man b/man/intel.man index cd217b1a..d1ec01ce 100644 --- a/man/intel.man +++ b/man/intel.man @@ -134,6 +134,16 @@ disable render acceleration and only use the BLT engine. .IP Default: use UXA (render acceleration) .TP +.BI "Option \*qTearFree\*q \*q" boolean \*q +Disable or enable TearFree updates. This option forces X to perform all +rendering to a backbuffer prior to updating the actual display. That update +is then performed synchronously with the vertical refresh of the display so +that the entire update is complete before the display starts its refresh. +That is only one frame is ever visible, preventing an unsightly tear between +two visible differing frames. +.IP +Default: TearFree is disabled. +.TP .BI "Option \*qReprobeOutputs\*q \*q" boolean \*q Disable or enable rediscovery of connected displays during server startup. As the kernel driver loads it scans for connected displays and configures a -- cgit v1.2.3