NDLI: Primitive processing and advanced shading architecture for embedded space

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Primitive processing and advanced shading architecture for embedded space

Content Provider	ACM Digital Library
Author	Kazakov, Max Ohbuchi, Eisaku
Abstract	This paper presents a new graphics architecture enabling content-rich applications for the embedded space by extending hardware architecture in two main areas - geometry processing and configurable per-fragment shading. Our first contribution combines vertex cache and a programmable geometry engine that handles both fixed and variable size geometrical primitives completely on-chip. It enables subdivision surface tessellation, silhouette rendering and other geometry processing algorithms to be implemented in one pass and without external memory access. Our second contribution is in configurable per-fragment shading that is mainly a dot product + lookup table machine being versatile enough to realize Cook-Torrance shading, Schlick anisotropy model and others. Memory storage and memory bandwidth are reduced in proposed architecture as both compact geometry and material descriptions are possible, enabling complex shapes and sophisticated shading models in embedded space. The architecture has complete HDL and ASIC implementations and was demonstrated during the ESEC 2008 exhibition in Japan. Exposing all the features of our architecture via OpenGL ES 1.X and 2.0 API enabled extended OpenGL ES engines from Rightware Oy to run on our ASIC implementations.
Starting Page	169
Ending Page	176
Page Count	8
File Format	PDF
ISBN	9781450308960
DOI	10.1145/2018323.2018350
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-08-05
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Geometry shader Configurable shading Single pass subdivision Embedded space graphics hardware
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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