Method and apparatus for implementing a flush command for an acc

Details Method and apparatus for implementing a flush command for an acc Method and apparatus for implementing a flush command for an acc

1997-07-30

1999-11-23

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

Interface

345521, 345522, 345501, 345507, 395825, 395844, G06F 1316

Patent

active

059909137

ABSTRACT:
A system and method for ensuring the execution of commands is visible throughout that system. A flush command is received and enqueued in a first queue together with a synchronization value enqueued in a second queue. The flush command is delayed from being dequeued from the first queue until both the flush command and the synchronization value are advanced to the head of their respective queues. Thereafter, the flush command is dequeued subsequently causing the return of a quad-word of random data as an acknowledge signal.

REFERENCES:
patent: 5283899 (1994-02-01), Cook et al.
patent: 5428754 (1995-06-01), Baldwin
patent: 5790822 (1998-08-01), Sheaffer et al.
patent: 5812789 (1998-09-01), Diaz et al.
patent: 5835783 (1998-11-01), Grimsrud

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