Data rotator for rotating pixel data in three dimensions
US5295245A · kind A · utility
10Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1991 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Mar 15, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/60
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.