Data rotator for rotating pixel data in three dimensions

Details Data rotator for rotating pixel data in three dimensions Data rotator for rotating pixel data in three dimensions

1991-03-15

1994-03-15

Harkcom, Gary V.

395133, 395137, 395162, G06F 1562

Patent

active

052952452

ABSTRACT:
A three-dimensional pixel cache for use in a computer graphics system comprises source, pattern, and destination tile caches and a barrel shift register, or rotator, that serves as an interface between the tile caches and a frame buffer. The rotator has the capability of performing three types of rotation of data read/written from/to the tile caches horizontal rotation, vertical rotation, and rotation of nibbles within each pixel.

REFERENCES:
patent: 5170468 (1992-12-01), Shah et al.

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