LOD Terrain Rendering by Local Parallel Processing on GPU

Alexandre Valdetaro, Gustavo Nunes, Alberto Raposo, Bruno Feijo, Rodrigo de Toledo
Dept. of Informatics, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
Brazilian Symposium on Games and Digital Entertainment (SBGAMES), 2010


   title={LOD terrain rendering by local parallel processing on GPU},

   author={Valdetaro, A. and Nunes, G. and Raposo, A. and Feijo, B. and de Toledo, R.},

   booktitle={Brazilian Symposium on Games and Digital Entertainment (SBGAMES), 2010},



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In this paper, we present a new technique for highly efficient terrain rendering using continuous view-dependent Level-of-Detail based on hardware tessellation unit found in modern GPUs. Our technique is based on parallel local processing, in the sense that the results at each terrain patch do not depend on results already obtained at other patches. This patch-by-patch processing uses no hierarchical structure whatsoever, what makes it specifically tailored for GPU-based LOD terrain and is highly scalable.
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