mesa: (Open source implementation of the OpenGL graphics API.) mesa: mesa: Mesa 3D is the only commonly known, fully open source mesa: implementation of OpenGL which is continually updated to mesa: support latest OpenGL specification. It is widely used, mesa: most importantly by the X.Org implementation of the X mesa: Window System where it serves as the OpenGL core for the mesa: open-source X.Org/DRI OpenGL drivers. mesa: mesa: mesa: