Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1997-12-16
1999-12-14
Zimmermann, Mark K.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
345428, 345118, 345506, 345515, G06F 1500
Patent
active
060024070
ABSTRACT:
The present invention uses a novel cache memory allowing a high texture calculation rate while using a low cost single bank DRAM hardware. In accordance with this invention, pixels are processed in a cluster, for example by processing pixels within a region as a cluster of pixels, with the regions of pixels arranged in a fixed gridwork across the area of the display with fixed, unchanging boundaries. All polygon-pixels occurrences within a region are processed together in one operation. Texture processing for all polygen-pixels within a region are processed together in one operation. Texture professing for all polygon-pixels within a region are broken down in to a set of information gathering operations for all polygon-pixels within the region, followed by a high speed fetching of all needed texels to process the entire region. Following this, high speed interpolation operations are preformed via use a specially arranged on chip RAM and a hardware pipeline calculation.
REFERENCES:
patent: 4862388 (1989-08-01), Bunker
patent: 5764237 (1998-06-01), Kaneko
patent: 5767858 (1998-06-01), Kawase et al.
patent: 5886706 (1999-03-01), Alcorn et al.
Caserza Steve F.
Harrison Chant'
Oak Technology, Inc.
Zimmermann Mark K.
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