Three-dimensional graphic processing apparatus

Details Three-dimensional graphic processing apparatus Three-dimensional graphic processing apparatus

1990-10-26

1994-04-12

Zimmerman, Mark K.

395143, G06F 1562

Patent

active

053033396

ABSTRACT:
A a three-dimensional graphic processing apparatus wherein when a basic figure is subjected to Gouraud shading, an error, which occurs when the calculated value of a horizontal scan start point is rounded to an integer value for raster display, is found, and a luminance value and a depth value obtained by horizontal coordinate linear interpolation, can be corrected on the basis of the found error.

REFERENCES:
patent: 4992780 (1991-02-01), Penna et al.
patent: 5163127 (1992-11-01), Ikumi et al.
1988 IEEE ISSCC Digest of Technical Papers, vol. XXXI, pp. 168-169, "A 32b-3-D Graphic Processor Chip with 10M Pixels/s Gouraud Shading".

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