Hello Linux Geeksters. As you may know, the Gallium3D drivers are free and open-source drivers, belonging to the Nouveau project. Both Nvidia and ATI Radeon use the Nouveau libraries as starting points for their drivers.

In this article I will show you how to install the Gallium3D Drivers on Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 15 Olivia, Linux Mint 14 Nadia and Linux Mint 13 Maya, via PPA.
All you have to do is, add the PPA:
$ sudo add-apt-repository ppa:oibaf/graphics-drivers
Update the local repositories:
$ sudo apt-get update
Install the Gallium3D drivers on Ubuntu and Linux Mint:
$ sudo apt-get update; sudo apt-get install libg3dvl-mesa