Computer graphics processing and selective visual display system – Computer graphics processing – Graphic manipulation
Reexamination Certificate
1999-11-09
2003-08-19
Brier, Jeffery (Department: 2672)
Computer graphics processing and selective visual display system
Computer graphics processing
Graphic manipulation
C345S560000
Reexamination Certificate
active
06608630
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to integrated circuits, and more particularly to an integrated circuit graphics display system.
BACKGROUND OF THE INVENTION
Graphics display systems are typically used in television control electronics, such as set top boxes, integrated digital TVs, and home network computers. Graphics display systems typically include a display engine that may perform display functions. The display engine is the part of the graphics display system that receives display pixel data from any combination of locally attached video and graphics input ports, processes the data in some way, and produces final display pixels as output.
This application includes references to both graphics and video, which reflects in certain ways the structure of the hardware itself. This split does not, however, imply the existence of any fundamental difference between graphics and video, and in fact much of the functionality is common to both. Graphics as used herein may include graphics, text and video. This paper or fee is being deposited with the
SUMMARY OF THE INVENTION
The present invention provides a graphics display system including a display engine for receiving raw or unprocessed graphics data from memory and converting the raw graphics data into graphics contents having a common format. The system includes plurality of line buffers for receiving the graphics contents. The graphics contents are composited into each of the plurality of line buffers by blending the graphics contents associated with graphics surfaces with the existing contents of the line buffer until all of the graphics surfaces for the line have been composited.
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Kranawetter Greg A.
MacInnis Alexander G.
Patterson James T.
Tang Chengfuh Jeffrey
Xie Xiaodong
Brier Jeffery
Broadcom Corporation
Christie Parker & Hale LLP
Yang Ryan
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