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Interruptible rendering

Published: 21 July 2002 Publication History

Abstract

Interruptible rendering is a novel approach to the fidelity-versus-performance tradeoff ubiquitous in real-time rendering. Interruptible rendering unifies spatial error, caused by rendering coarse approximations for speed, and temporal error, caused by the delay imposed by rendering, into a single image-space error metric. The heart of this approach is a progressive rendering framework that renders a coarse image into the back buffer and continuously refines it, while tracking the temporal error. When the temporal error exceeds the spatial error caused by coarse rendering, further refinement is pointless and the image is displayed. We discuss the requirements for a rendering algorithm to be suitable for interruptible use, and describe one such algorithm based on hierarchical splatting. Interruptible rendering provides a low-latency, self-tuning approach to interactive rendering. Interestingly, it also leads to a "one-and-a-half buffered" approach that renders sometimes to the back buffer and sometimes to the front buffer.

References

[1]
Rusinkiewicz, S., and Levoy, M. 2000. QSplat: A Multiresolution Point Rendering System for Large Meshes. In Proceedings of ACM SIGGRAPH 2000.
[2]
Sander, P., Gu, X., Gortler, S., Hoppe, H., Snyder, J. 2000. Silhouette Clipping. In Proceedings of ACM SIGGRAPH 2000.

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cover image ACM Conferences
SIGGRAPH '02: ACM SIGGRAPH 2002 conference abstracts and applications
July 2002
337 pages
ISBN:1581135254
DOI:10.1145/1242073
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

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Published: 21 July 2002

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