Decision variable hardware logic and processing methods for grap

Details Decision variable hardware logic and processing methods for grap Decision variable hardware logic and processing methods for grap

1992-10-27

1995-07-18

Powell, Mark R.

395162, G06F 1516

Patent

active

054349672

ABSTRACT:
Hardware logic and processing methods for enhanced data manipulation within a graphics display system are described. The graphics display system includes a graphics processor sub-system and a rendering subsystem which are serially connected for pipeline processing of an interleaved stream of commands and data. One or more status bits or XBITs are defined within each rasterizer of a multi-rasterizer rendering sub-system. An XBIT, which may comprise a ZBIT, a UBIT, or an RBIT, etc., provides a mechanism for introducing execution of various logic functions within the rendering sub-system portion of the computer graphics adapter. Corresponding data processing methods are also described.

REFERENCES:
patent: 4816814 (1989-03-01), Lumelsky
patent: 5230039 (1993-07-01), Grossman
patent: 5274760 (1993-12-01), Schneider

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