Graphics accelerator with constant color identifier

Details Graphics accelerator with constant color identifier Graphics accelerator with constant color identifier

1997-04-30

2000-05-02

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

345522, 345506, G09G 502, G06T 1140

Patent

active

060578521

ABSTRACT:
The present invention is directed to a method that enhances the performance of a geometry accelerator. In accordance with one aspect of the invention, the method comprises the step of receiving a color command from an application program interface (API), the color command identifying a first color for a primitive vertex. Thereafter, the invention initializes a count and receives a primitive element to draw on a screen in the first color. Then, the invention increments a count. The method further comprises the step of operating on the primitive element by a lighting machine and a plane equation machine, and repeating the steps of incrementing the count and operating on the primitive element until a specified count has been reached. Then, once the specified count has been reached, the invention operates on the primitive element without invoking either the lighting or plane equation machines., until a color command is received that specifies a second color for a primitive vertex.

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