NDLI: Shader algebra

Content Provider	ACM Digital Library
Author	Popa, Tiberiu Chan, Bryan Du toit, Stefanus Mccool, Michael Moule, Kevin
Copyright Year	2004
Abstract	An algebra consists of a set of objects and a set of operators that act on those objects. We treat shader programs as first-class objects and define two operators: connection and combination. Connection is functional composition: the outputs of one shader are fed into the inputs of another. Combination concatenates the input channels, output channels, and computations of two shaders. Similar operators can be used to manipulate streams and apply computational kernels expressed as shaders to streams. Connecting a shader program to a stream applies that program to all elements of the stream; combining streams concatenates the record definitions of those streams.In conjunction with an optimizing compiler, these operators can manipulate shader programs in many useful ways, including specialization, without modifying the original source code. We demonstrate these operators in Sh, a metaprogramming shading language embedded in C++.
Starting Page	787
Ending Page	795
Page Count	9
File Format	PDF
ISSN	07300301
e-ISSN	15577368
DOI	10.1145/1015706.1015801
Volume Number	23
Issue Number	3
Journal	ACM Transactions on Graphics (TOG)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2004-08-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Graphics hardware Real-time rendering Shader programming
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design

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