Method and apparatus for performing raster operations in a data processing system
US6972770B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1999 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Apr 3, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/393
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus in a data processing system for performing a raster operation of graphics data. A system memory and a video memory is included in the data processing system. The system memory and the video memory are connected by a bus wherein the graphics data is organized into picture elements. A plurality of picture elements is read from the system memory. A plurality of picture elements is read from the video memory. A raster operation is performed on the plurality of picture elements to form a plurality of processed picture elements. The plurality of processed picture elements is written to the video memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.