Computer graphics processing and selective visual display system – Computer graphic processing system – Plural graphics processors
Reexamination Certificate
2005-04-19
2005-04-19
Bella, Matthew C. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphic processing system
Plural graphics processors
C345S619000, C345S553000, C345S421000, C345S423000
Reexamination Certificate
active
06882345
ABSTRACT:
A method and system for more efficiently loading a plurality of primitives for a scene into processors of a computer graphics system is disclosed. Each primitive has a top and a bottom. The primitives are ordered based on the top of each primitive. The system and method include providing at least one input, a merge circuit, a distributor, a feedback circuit and a controller. The input(s) is for receiving data relating to each primitive. The merge circuit is coupled with the input(s) and adds the data for a primitive having a top not lower than a current line. The distributor is coupled with the feedback circuit, eliminates an expired primitive and outputs the data for remaining primitives after the expired primitive has been removed. The expired primitive has a bottom above the current line. The feedback circuit is coupled to the merge circuit and the distributor and re-inputs to the merge circuit the data for the remaining primitives. The controller controls the feedback circuit, the distributor and the merge circuit.
REFERENCES:
patent: 5808627 (1998-09-01), Kelley et al.
patent: 6288724 (2001-09-01), Kumar et al.
patent: 0356103 (1990-02-01), None
Foley, James D., et al; “Computer Graphics—Principles and Practice, Second edition in C”; Jul. 1997; Addision-Wesley Publishing Co, Reading, MA; section 3.6.3 “Edge Coherence and the Scan-Line Algorithm”; pp. 96-99.
Baer David A.
Delanghe Brad A.
Movshovich Aleksandr M.
Bella Matthew C.
Broadcom Corporation
Nguyen Hau
Sawyer Law Group LLP
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