The irregular Z-buffer: Hardware acceleration for irregular data structures

@article{Johnson2005TheIZ,
  title={The irregular Z-buffer: Hardware acceleration for irregular data structures},
  author={Gregory S. Johnson and Juhyun Lee and Christopher A. Burns and William R. Mark},
  journal={ACM Trans. Graph.},
  year={2005},
  volume={24},
  pages={1462-1482}
}
The classical Z-buffer visibility algorithm samples a scene at regularly spaced points on an image plane. Previously, we introduced an extension of this algorithm called the irregular Z-buffer that permits sampling of the scene from arbitrary points on the image plane. These sample points are stored in a two-dimensional spatial data structure. Here we present a set of architectural enhancements to the classical Z-buffer acceleration hardware which supports efficient execution of the irregular Z… CONTINUE READING

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