System and method for fast gradient pixel clears in graphics...

Details System and method for fast gradient pixel clears in graphics... System and method for fast gradient pixel clears in graphics...

2002-06-06

2008-12-16

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S581000, C345S690000, C345S522000, C345S574000, C382S254000, C382S276000

Reexamination Certificate

active

07466319

ABSTRACT:
A system and method of maintaining a gradient in a plurality of pixels of a graphics display, such as a color or intensity gradient, where each pixel has an X coordinate, Y coordinate, and other pixel data that includes a fast-clear bit The pixels are filled on the display to create a gradient based upon the X or Y coordinates of the pixels, or a combination thereof, and when performing a pixel data operation, such as a read operation, the pixel data for a pixel with an activated fast-clear bit is ignored.

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patent: 2002/0141627 (2002-10-01), Romsdahl et al.
patent: 2008/0066129 (2008-03-01), Katcher et al.

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