How to install Gallium3D drivers in ubuntu 12.10

Gallium3D is a free software library for 3D graphics device drivers. It has been developed by VMware since they acquired Tungsten Graphics in 2008.

The Gallium3D library operates as a layer between the graphics API and the operating system with the primary goal of making driver development easier, bundling otherwise duplicated code of several different drivers at a single point, and ...