Efficient depth buffer compression

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Efficient depth buffer compression

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SIGGRAPH/EUROGRAPHICS Conference On Graphics Hardware archive
Proceedings of the 21st ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware table of contents

Vienna, Austria

SESSION: Compression table of contents

Pages: 103 - 110

Year of Publication: 2006

ISBN ~ ISSN:1727-3471 , 3-905673-37-1

Authors

Jon Hasselgren	Lund University
Tomas Akenine-Möller	Lund University

Sponsor

Eurographics: Eurographics Association

Publisher

ACM New York, NY, USA

Bibliometrics

Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 5

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ABSTRACT

Depth buffer performance is crucial to modern graphics hardware. This has led to a large number of algorithms for reducing the depth buffer bandwidth. Unfortunately, these have mostly remained documented only in the form of patents. Therefore, we present a survey on the design space of efficient depth buffer implementations. In addition, we describe our novel depth buffer compression algorithm, which gives very high compression ratios.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Tomas Akenine-Möller , Jacob Ström, Graphics for the masses: a hardware rasterization architecture for mobile phones, ACM Transactions on Graphics (TOG), v.22 n.3, July 2003
	2	{DMFW02} DeRoo J., Morein S., Favela B., Wright M.: Method and Apparatus for Compressing Parameter Values for Pixels in a Display Frame. In US Patent 6,476,811 (2002).
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	6	{Mor02} Morein S.: Method and Apparatus for Efficient Clearing of Memory. In US Patent 6,421,764 (2002).
	7	{MWY03} Morein S., Wright M., Yee K.: Method and apparatus for controlling compressed z information in a video graphics system. US Patent 6,636,226, 2003.
	8	{OPS05} Ornstein D., Peled G., Sperber Z., Cohen E., Malka G.: Z-Compression Mechanism. In US Patent 6,580,427* (2005).
	9	Ivan E. Sutherland , Robert F. Sproull , Robert A. Schumacker, A Characterization of Ten Hidden-Surface Algorithms, ACM Computing Surveys (CSUR), v.6 n.1, p.1-55, March 1974 [doi>10.1145/356625.356626]
	10	{Van03} Van Hook T.: Method and Apparatus for Compression and Decompression of Z Data. In US Patent 6,630,933 (2003).
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CITED BY 5

	Tomas Akenine-Möller , Jacob Munkberg , Jon Hasselgren, Stochastic rasterization using time-continuous triangles, Proceedings of the 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware, August 04-05, 2007, San Diego, California
	D. Brandon Lloyd , Naga K. Govindaraju , Steven E. Molnar , Dinesh Manocha, Practical logarithmic rasterization for low-error shadow maps, Proceedings of the 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware, August 04-05, 2007, San Diego, California
	Jim Rasmusson , Jon Hasselgren , Tomas Akenine-Möller, Exact and error-bounded approximate color buffer compression and decompression, Proceedings of the 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware, August 04-05, 2007, San Diego, California
	Stephan Mantler , Markus Hadwiger, Saving the z-cull optimization, ACM SIGGRAPH 2007 posters, August 05-09, 2007, San Diego, California
	Jacob Ström , Per Wennersten , Jim Rasmusson , Jon Hasselgren , Jacob Munkberg , Petrik Clarberg , Tomas Akenine-Möller, Floating-point buffer compression in a unified codec architecture, Proceedings of the 23rd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware, June 20-21, 2008, Sarajevo, Bosnia and Herzegovina