Directory of Shading Languages Resources

Articles on OpenGL Shaders: specifications, tutorials, sample code, and comparisons.

Subcategories

Hardware-Based Nonlinear Filtering and Segmentation

http://www.cg.tuwien.ac.at/research/publications/2003/Viola-2003-Har/Viola-2003-Har-Paper.pdf
Whitepaper on using high-level shading languages to provide non-linear image filtering. Includes an abstract, diagrams and metacode.
OpenGL Geometry Shader4 Extension

http://developer.download.nvidia.com/opengl/specs/GL_EXT_geometry_shader4.txt
Specification for OpenGL's geometry shader APIs. Geometry shaders live in between vertex and fragment shaders in OpenGL's pipeline, and are used to introduce new primitives based on incoming vertices. Detailed documentation and pipeline diagram.
Shader Programming

http://web.eecs.utk.edu/~huangj/CS594F03/shaders/Shader_Programming.pdf
Dr. Jian Huang's presentation on OpenGL shaders; includes history, overview, rendering examples, and comparisons of ARB vs Cg.
Shader Theory

http://www.warpedspace.org/tutorials/shading_theory/
A tutorial on the basics of shading theory in 3D computer graphics.
Shading Languages for Graphics Hardware

http://www.cs.virginia.edu/~gfx/Courses/2001/Advanced.spring.01/ppt/lecture21.pdf
Language-independent overview of 3D shading language pipelines. Describes application to GPU architectures.
Wikipedia: Shading Language

http://en.wikipedia.org/wiki/Shading_language
Provides an overview and history of various shading languages.

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