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14.1. OpenGL Version 2 363
of software, it is the responsibility of the device driver to support the extra
functionality in the language (and therefore the adapter manufacturer’s re-
sponsibility). From an application programmer’s point of view, the OpenGL
libraries are merely links to the device driver, and so long as the hardware
vendor provides an OpenGL 2.0 driver for your operating system, it is not
difficult to create a pseudo (or stub) library for the new Version 2 functions.
OpenGL Version 1 remained stable for many years and forms what one might
term the gold standard. Extensions have been gradually added ( [10] docu-
ments the new