glmark2-es2 software package provides OpenGL (ES) 2.0 benchmark, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install glmark2-es2
glmark2-es2 is installed in your system.
Make ensure the glmark2-es2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep glmark2-es2 *
You will get with glmark2-es2 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Miscellaneous |
| Package | glmark2-es2 |
| Version | 2011.09-0ubuntu1 |
| Description | OpenGL (ES) 2.0 benchmark |
| Sub Section | misc |