Method and apparatus for texture border address mapping in recta

Details Method and apparatus for texture border address mapping in recta Method and apparatus for texture border address mapping in recta

1995-12-11

1998-09-29

Saras, Steven J.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

345509, G09B 500

Patent

active

058151575

ABSTRACT:
An addressing scheme for efficient memory use for storing textures with borders. Memory space is allocated for the texture maps, borders, and submaps equaled to two times the width times the height of the texture map to be stored. The memory space is then divided into a rectangular map space having a left-hand portion and a right-hand portion. Storage is accomplished by storing the main texture map on the left-hand portion of the map space. Submaps are then aligned along the bottom edge of the map space at the right in the right-hand portion. Finally, the borders are stored beginning at the top of the right-side portion of the rectangular space. The four corner edges of the borders are stored below the texel borders in the right-side portion.

REFERENCES:
patent: 5448264 (1995-09-01), Pinedo et al.
patent: 5461712 (1995-10-01), Chelstowski et al.
patent: 5548709 (1996-08-01), Hannah et al.
patent: 5610630 (1997-03-01), Nakamura et al.

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