This document assumes that a XFree86 2D driver is in place.
Writing a XFree86 2D driver is out of the scope of this document. See [XXSND] for more information about the XFree86 X server design.
2.2. Nomenclature
This document doesn't target any specific hardware. The examples here are for the “ZZZ” card, which uses the “ZZZ” or “zzz” prefix for its externally visible symbols.
Examples taken from other drivers will retain the original names.