Stochastic Depth Buffer Compression using Generalized Plane Encoding
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Date
2013
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association and Blackwell Publishing Ltd.
Abstract
In this paper, we derive compact representations of the depth function for a triangle undergoing motion or defocus blur. Unlike a static primitive, where the depth function is planar, the depth function is a rational function in time and the lens parameters. Furthermore, we show how these compact depth functions can be used to design an efficient depth buffer compressor/decompressor, which significantly lowers total depth buffer bandwidth usage for a range of test scenes. In addition, our compressor/decompressor is simpler in the number of operations needed to execute, which makes our algorithm more amenable for hardware implementation than previous methods
Description
@article{10.1111:cgf.12030,
journal = {Computer Graphics Forum},
title = {{Stochastic Depth Buffer Compression using Generalized Plane Encoding}},
author = {Andersson, Magnus and Munkberg, Jacob and Akenine-Möller, Tomas},
year = {2013},
publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/cgf.12030}
}