Preprocessed global visibility for real-time rendering on low-end hardware

Authors:
Benjamin Eikel;Claudius Jähn;Matthias Fischer
Affiliations:
Heinz Nixdorf Institute, University of Paderborn;Heinz Nixdorf Institute, University of Paderborn;Heinz Nixdorf Institute, University of Paderborn
Venue:
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
Year:
2010

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Abstract

We present an approach for real-time rendering of complex 3D scenes consisting of millions of polygons on limited graphics hardware. In a preprocessing step, powerful hardware is used to gain fine granular global visibility information of a scene using an adaptive sampling algorithm. Additively the visual influence of each object on the eventual rendered image is estimated. This influence is used to select the most important objects to display in our approximative culling algorithm. After the visibility data is compressed to meet the storage capabilities of small devices, we achieve an interactive walkthrough of the Power Plant scene on a standard netbook with an integrated graphics chipset.