January 2006
Intermediate to advanced
800 pages
17h 58m
English
Content preview from OpenGL® Shading Language, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6. Simple Shading Example
Now that we’ve described the OpenGL Shading Language, let’s look at a simple example. In this example, we apply a brick pattern to an object. The brick pattern is calculated entirely within a fragment shader. If you’d prefer to skip ahead to the next chapter for a more in-depth discussion of the API that allows shaders to be defined and manipulated, feel free to do so.
The shader for rendering a procedural brick pattern was the first interesting shader ever executed by the OpenGL Shading Language on programmable graphics hardware. It ran for the first time in March 2002, on the 3Dlabs Wildcat VP graphics accelerator. Dave Baldwin published the first GLSL brick fragment shader in a white paper that described the ...
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