Device for processing pixel rasterization and method for...

Details Device for processing pixel rasterization and method for... Device for processing pixel rasterization and method for...

2005-08-30

2008-09-16

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S613000, C345S422000, C345S505000, C345S506000

Reexamination Certificate

active

07425967

ABSTRACT:
The present invention relates to a device and method for processing pixel rasterization in 3-Dimensional graphic engine. According to an embodiment of the present invention, a method of processing pixel rasterizaton in 3-Dimensional graphic engine comprises the steps of: receiving a plurality of fragment informations; verifying whether the coordinate of the fragment informations are adjacent to X axis or not; detecting depth values of old fragment; comparing the depth values of the old fragment; storing depth values of the newly inputted fragment after comparison; and storing color values, which are performed alpha blending, in a color cache. The apparatus for pixel rasterization processing in 3-Dimensional graphic engine includes a depth readout unit, a depth test unit, a depth entry unit, a color readout unit, an alpha blending unit, a color entry unit, a depth cache, a color cache and a frame memory.

REFERENCES:
patent: 7170515 (2007-01-01), Zhu

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