Patent · US Expired

Method and apparatus for performing raster operations in a data processing system

US6972770B1 · kind B1 · utility

1Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 1999
Grant dateDec 6, 2005
Priority date
Expiry dateApr 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.