Method and device of consistency buffer for high performance...

Details Method and device of consistency buffer for high performance... Method and device of consistency buffer for high performance...

2005-01-04

2005-01-04

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphic processing system

Plural graphics processors

C345S422000

Reexamination Certificate

active

06839060

ABSTRACT:
A method and a device of consistency buffer for a high performance 3D graphic accelerator is disclosed to retain consistency without detecting any overlapping region in advance but determining an overlapping with respect to a rendered pixel. The device of consistency buffer according to the present invention comprises a fetch section for transmitting a plurality of primitives to be processed to a vacant region of the buffer, an issue section for buffering the plurality of the primitives transmitted from the said fetch section, and allotting positions to be inputted, a plurality of rendering accelerators for receiving and rendering the plurality of primitives allotted by the issue section, a consistency buffer for storing information required for processing with consistency according to a depth value and a color value of each primitive computed by each of the rendering accelerators, and a memory interface unit for performing read/write computation in a memory by mens of processing with consistency in order based on the information stored in the consistency buffer.

REFERENCES:
patent: 5870109 (1999-02-01), McCormack et al.
patent: 6457034 (2002-09-01), Morein
patent: 6473086 (2002-10-01), Morein et al.
Whole et al.;A Superscalar 3D Graphics Engine IEEE; 1999.

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