Interpolation for Polygon Texture Mapping and Shading

@inproceedings{Heckbert1991InterpolationFP,
  title={Interpolation for Polygon Texture Mapping and Shading},
  author={Paul S. Heckbert and Henry P. Moreton},
  year={1991}
}
A simple, fast method is presented for the interpolation of texture coordinates and shading parameters for polygons viewed in perspective. The method has application in scan conversion algorithms like z-bu er and painter's algorithms that perform screen space interpolation of shading parameters such as texture coordinates, colors, and normal vectors. Some previous methods perform linear interpolation in screen space, but this is rotationally variant, and in the case of texture mapping, causes a… Expand
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