3-D texture mapping processor and 3-D image rendering system usi

Details 3-D texture mapping processor and 3-D image rendering system usi 3-D texture mapping processor and 3-D image rendering system usi

1998-04-22

2000-06-20

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06F 1500

Patent

active

060783346

ABSTRACT:
A three-dimensional image rendering portion, based on image data, performs geometric transformation, projection transformation, etc. and further applies texture data from the texture memory onto polygons, to thereby generate graphic data of a 3-D image. This graphic data is used as pixel data for a frame of image and written into the frame memory. A 3-D texture modeling value generating circuit performs arithmetic operations on 3-D texture modeling values of asperities of the textures, using coordinate data given from the 3-D image rendering portion, bump data stored in the texture memory and parameters stored in the register. These 3-D texture modeling values are provided to 3-D texture modeling circuit where, based on these values, the data from the frame memory is formed into a 3-dimensional form, which in turn is displayed on the display unit.

REFERENCES:
patent: 5557711 (1996-09-01), Malzbender
patent: 5761601 (1998-06-01), Kabayashi et al.
"Computer Graphics", Takeshi Akui, K. K. Shokodo, pp. 89-91 (May 30, 1993).

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