Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Patent
1998-03-23
2000-05-09
Nguyen, Phu K.
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
G06T 1700
Patent
active
060610662
ABSTRACT:
A circuit for providing a perspective correct transformation of attribute values at positions defining a planar polygon in world space to attribute values at pixels describing the polygon in screen space including a first circuit for determining a series of presetup values defined by coordinates of vertices of the polygon which are constant throughout the polygon, a second circuit for computing setup values for each attribute which are constant throughout the polygon from the presetup values, a third circuit for computing from the setup values for each attribute a result for the attribute which is constant at any pixel describing the polygon, a fourth circuit for determining a reciprocal of a result of a depth attribute computed by the third circuit, and a fifth circuit for combining the values of the result computed by the third circuit for each attribute and the reciprocal value for each pixel of the polygon.
REFERENCES:
patent: 5764871 (1998-06-01), Fogel
patent: 5900880 (1999-05-01), Cline et al.
patent: 5933148 (1999-08-01), Oka et al.
patent: 5940079 (1999-08-01), Morino et al.
patent: 5982377 (1999-11-01), Yamashita et al.
Nguyen Phu K.
Nvidia Corporation
Vo Cliff N.
LandOfFree
Method and apparatus for creating perspective correct graphical does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for creating perspective correct graphical , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for creating perspective correct graphical will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1069875