Method and apparatus for fetching pixel data from memory

Details Method and apparatus for fetching pixel data from memory Method and apparatus for fetching pixel data from memory

2005-07-19

2005-07-19

Tung, Kee M. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Row buffer

C345S533000, C345S530000, C345S531000

Reexamination Certificate

active

06919902

ABSTRACT:
A graphics controller for preparing data to be presented on a display through an interlaced scan is provided. The graphics controller includes a memory and a line buffer adapted to receive video data. Data arrangement circuitry in communication with the line buffer is included. The data arrangement circuitry is configured to process the received video data in order to store the received data in the memory as an even segment and a corresponding odd segment, the even segment associated with data from a line of an even field, the odd segment associated with data from a line of an odd field, the even segment and the corresponding odd segment defining a pixel of data. A single pipe buffer configured to retrieve the even segment and the corresponding odd segment in a single memory access to the memory is included. A system using the graphics controller and a method of storing and retrieving pixel data from memory are also provided.

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