Animated texture map apparatus and method for 3-D image displays

Details Animated texture map apparatus and method for 3-D image displays Animated texture map apparatus and method for 3-D image displays

1995-05-11

1997-05-13

Nguyen, Phu K.

G06F 1500

Patent

active

056300433

ABSTRACT:
A method and apparatus for generating 3-D images utilizes an MPEG decoder to decode/decompress animated texture maps into a half-frame buffer. The MPEG decoder may act as a PCI bus master to assert control of the host system bus to the exclusion of all other system devices to transfer animated texture maps into an off-screen portion of video memory. A graphics subsystem generates a 3-D image from 3-D image data stored in display memory portion of video memory and superimposes the 3-D image with texture map data from the off-screen portion of video memory. Texture map data may be continually updated by MPEG decoder 360 on a periodic basis without interfering with the operation of the graphics subsystem. The resultant 3-D image with animated texture maps may provide a more realistic display, particularly for animated objects, such as a human face.

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