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Mesa is an open source 3D computer graphics library that provides a generic OpenGL implementation for rendering three-dimensional graphics on multiple platforms.

Testing performance

First, you will need the Mesa utilities:

# apt-get install mesa-utils

To determine whether 3D acceleration is working, use the glxinfo tool. Run the following command:

$ glxinfo | grep render

The output should be:

direct rendering: Yes

To see how many frames per second your video card is putting out, run the following command:

$ glxgears -info