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S-buffer: Sparsity Aware Multi-fragment Rendering

A. Vasilakis and I. Fudos
Eurographics (Short Papers) 2012, 101-104, Cagliari, Italy 2012

(a) Transparency, (b) translucency and (c) CSG rendering on different models.


This work introduces S-buffer, an efficient and memory-friendly gpu-accelerated A-buffer architecture for multi-fragment rendering. Memory is organized into variable contiguous regions for each pixel, thus avoiding limitations set in linked-lists and fixed-array techniques. S-buffer exploits fragment distribution for precise allocation of the needed storage and pixel sparsity (empty pixel ratio) for computing the memory offsets for each pixel in a parallel fashion. An experimental comparative evaluation of our technique over previous multi-fragment rendering approaches in terms of memory and performance is provided.


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author = {Andreas Vasilakis and
Ioannis Fudos},
title = {S-buffer: Sparsity-aware Multi-fragment Rendering},
booktitle = {Eurographics (Short Papers)},
year = {2012},
pages = {101-104},
ee = {http://dx.doi.org/10.2312/conf/EG2012/short/101-104}


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