# HG changeset patch
# User Oleksandr Gavenko <gavenkoa@gmail.com>
# Date 1388571993 -7200
# Node ID 2d119c9c26925791c32bde387d7345a30ec4649c
# Parent  80a1fea1fd7e89ca40d269282d607521f0d7c664
GLX info.

diff -r 80a1fea1fd7e -r 2d119c9c2692 x.rst
--- a/x.rst	Sat Dec 28 16:16:55 2013 +0200
+++ b/x.rst	Wed Jan 01 12:26:33 2014 +0200
@@ -395,3 +395,22 @@
 
 ``xdotool`` and ``xautomation`` utilities use ``XText`` for emulating user
 actions.
+
+GLX info.
+=========
+
+To determine whether 3D acceleration is working::
+
+  $ apt-get install mesa-utils
+  $ glxinfo | grep render
+
+To see how many frames per second your video card is putting out::
+
+  $ glxgears -info
+
+See:
+
+  https://wiki.debian.org/Mesa
+                Mesa is an open source 3D computer graphics library that
+                provides a generic OpenGL implementation for rendering
+                three-dimensional graphics on multiple platforms.