Method and apparatus for processing picture elements

Details Method and apparatus for processing picture elements Method and apparatus for processing picture elements

1998-07-09

2000-07-11

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

G06F 1500

Patent

active

060880333

ABSTRACT:
A pixel processing apparatus receives pixels from an external source (100) and stores them in a storage area (110). A data path (120) performs mathematical operations and tests whether or not a pixel is to be suppressed. For an effective memory access, a control logic (130) provides addresses to the storage area (110). The control logic (130) receives status data from the data path (120), indicating whether or not a pixel is to be suppressed and modifies the status register (140) accordingly. The control logic (130) prevents the data path (120) from performing further operations on a pixel if the status register (140) indicates that the pixel is to be suppressed. Preferably, the control logic suppresses address generation for the location of the pixel in question if said status register (140) indicates that the pixel is to be suppressed.

REFERENCES:
patent: 5307449 (1994-04-01), Kelly et al.
patent: 5761401 (1998-06-01), Kobayashi et al.

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