Method and apparatus for drawing graphics in a graphics controll

Computer graphics processing and selective visual display system – Computer graphic processing system – Plural graphics processors

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345441, G06F 1516

Patent

active

059909099

ABSTRACT:
A method for drawing graphics is carried out in a graphics processing and display system. The system has a display unit, a host for generating graphics data defining graphics images to be displayed on the display, a graphics controller for receiving information from the host and controlling graphics to be displayed, a frame buffer memory for storing graphics data, an index register for receiving an index value from the host and a coordinate register for storing a coordinate value which is obtained by the graphics controller. With the method, when a line graphics is draw, only information regarding two coordinates are used in the graphics controller by incrementing the index value by an increase which is specified according to the selected object-type. When a triangle graphics is drawn, only information regarding three coordinates are used in the graphics controller.

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