Boots – shoes – and leggings
Patent
1989-10-23
1991-08-27
Clark, David L.
Boots, shoes, and leggings
G06F 1572
Patent
active
050439219
ABSTRACT:
Z-buffer control logic that provides access AND comparison at speeds unconstrained by DRAM memory access times. A Z-buffer controller is implemented which accumulates a number of pixels in adjacent locations into an associated cell. A Z-buffer comparator accesses Z-buffer retained values for the cell in parallel, performs parallel comparisons, and passes the results to a serializer. The Z-buffer serializer returns the order of the written pixels and outputs the required values to a display interface for continued processing and display on a graphics display device.
REFERENCES:
patent: 4658247 (1987-04-01), Gharachorloo
patent: 4679041 (1987-07-01), Fetter et al.
patent: 4812988 (1989-03-01), Duthuit et al.
patent: 4945500 (1990-07-01), Deerwg
patent: 4951232 (1990-08-01), Hannah
Gonzalez-Lopez Jorge
Lanzoni Thomas P.
Clark David L.
International Business Machines - Corporation
Kinnaman Jr. William A.
Walker Mark S.
Zimmerman Mark K.
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