1. A graphic processor comprising: a control unit which exercises centralized control on the graphic processor; and a graphic unit which performs graphic processing in accordance with a command given through the control unit, wherein the control unit includes: an interface part which exchanges data with an external unit, a command analysis part which analyzes a command system included in data received from the external unit, the command system including a set of non-graphic processing type commands, and an execution part which executes analyzed commands.