An Effective Hardware Architecture for Bump Mapping Using Angular Operation. Seung-Gi Lee † , Woo-Chan Park, Won-Jong Lee, Tack-Don Han, and Sung-Bong Yang Media System Lab. (National Research Lab.) Dept. of Computer Science Yonsei University. Contents. Introduction
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An Effective Hardware Architecture for Bump Mapping Using Angular Operation
Seung-Gi Lee†, Woo-Chan Park, Won-Jong Lee, Tack-Don Han, and Sung-Bong Yang
Media System Lab. (National Research Lab.)
Dept. of Computer Science
Yonsei University
and a vector Q
the z-axis
The first rotation: -jN around the z-axis
The second rotation: -N around the y-axis
6 2
10 6
Proposed bump mapping hardware
The calculation of the inner products
, where
Wooden wall : mapping onto a plane
The conventional method
The proposed method
Brick wall : mapping onto a cube
Map of the world : mapping onto a sphere
Wooden wall : mapping onto a plane
The conventional method
The proposed method
Brick wall : mapping onto a cube
Map of the world : mapping onto a sphere
Wooden wall : mapping onto a plane
The conventional method
The proposed method
Brick wall : mapping onto a cube
Map of the world : mapping onto a sphere