Out-Of-Core Sort-First Parallel Rendering for Cluster-Based Tiled Displays (English)

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We present a sort-first parallel system for out-of-core rendering of large models on cluster-based tiled displays. The system is able to render igh-resolution images of large models at interactive frame rates using off-theshelf PCs with small memory. Given a model, we use an out-of-core preprocessing algorithm to build an on-disk hierarchical representation for the model. At run time, each PC renders the image for a display tile, using an out-of-core rendering approach that employs multiple threads to overlap rendering, visibility computation, and disk operations. The system can operate in approximate mode for real-time rendering, or in conservative mode for rendering with guaranteed accuracy. Running our system in approximate mode on a cluster of 16 PCs each with 512 MB of main memory, we are able to render 12-megapixel images of a 13-million-triangle model with 99.3% of accuracy at 10.8 frames per second. Rendering such a large model at high resolutions and interactive frame rates would typically require expensive high-end graphics hardware. Our results show that a cluster of inexpensive PCs is an attractive alternative to those high-end systems.

Table of contents conference proceedings

The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

7
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23
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A Multi-thread Safe Foundation for Scene Graphs and its Extension to Clusters
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39
Design and Implementation of A Large-scale Hybrid Distributed Graphics System
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51
An Interleaved Parallel Volume Renderer With PC-clusters
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61
The Parallelization of the Perspective Shear-Warp Volume Rendering Algorithm
Schulze, Jürgen P. / Lang, Ulrich | 2002
71
Distributed rendering of interactive soft shadows
Isard, M. / Shand, M. / Heirich, A. | 2002
77
Interactive Ray Tracing of Time Varying Data
Reinhard, Erik / Hansen, Charles / Parker, Steve | 2002
83
Interactive Headlight Simulation - A Case Study of Interactive Distributed Ray Tracing -
Benthin, Carsten / Dahmen, Tim / Wald, Ingo / Slusallek, Philipp | 2002
89
Out-Of-Core Sort-First Parallel Rendering for Cluster-Based Tiled Displays
Correa, Wagner T. / Klosowski, James T. / Silva, Claudio T. | 2002
97
An Out-of-core Method for Computing Connectivities of Large Unstructured Meshes
Ueng, Shyh-Kuang / Sikorski, K. | 2002
105
Physical cloth simulation on a PC cluster
Zara, F. / Faure, F. / Vincent, J-M. | 2002
113
Efficient Parallel Implementations for Surface Subdivision
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123
An Efficient System for Collaboration in Tele-Immersive Environments
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133
Parallel Performance Optimization of Large-Scale Unstructured Data Visualization for the Earth Simulator
Chen, L. / Fujishiro, I. / Nakajima, K. | 2002
133
Parallel Performance Optimization for Large-Scale Unstructured Data Visualization for the Earth Simulator
Chen, L. / Fujishiro, I. / Nakajima, K. / ACM | 2002