See http://en.wikipedia.org/wiki/Mesa_%28computer_graphics%29 http://en.wikipedia.org/wiki/Mesa_%28computer_graphics%29 for an explanation of what Mesa is: an o

See http://en.wikipedia.org/wiki/Mesa_%28computer_graphics%29 http://en.wikipedia.org/wiki/Mesa_%28computer_graphics%29 for an explanation of what Mesa is: an open source implementation of OpenGL and several other 3-d computer graphics APIs.