First-in-first-out device for graphic drawing engine

Details First-in-first-out device for graphic drawing engine First-in-first-out device for graphic drawing engine

1997-02-14

1999-03-30

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

Plural graphics processors

345513, 395877, G06T 120

Patent

active

058895337

ABSTRACT:
A first-in-first-out (FIFO) device for a graphic drawing engine is provided. The (FIFO) device is connected to both a pipeline having a plurality of data processing devices for receiving graphic data from a graphic drawing engine and a drawing engine control portion for controlling the transmission of graphic data of the pipeline. The FIFO device includes a plurality of registers, the number of which is greater than the number of the data processing devices of the pipeline, wherein when the number of vacant registers in the FIFO device is less than that of the data processing devices, a control signal is generated, to thereby stop the operation of the pipeline. Thus, the loss of data stored in the FIFO device can be prevented.

REFERENCES:
patent: 5473756 (1995-12-01), Traylor

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