July 2013
Intermediate to advanced
600 pages
15h 15m
English
book
WebGL Programming Guide: Interactive 3D Graphics Programming with WebGL
by Kouichi Matsuda, Rodger Lea
Content preview from WebGL Programming Guide: Interactive 3D Graphics Programming with WebGL
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Appendix B. Built-In Functions of GLSL ES 1.0
This appendix details all embedded functions supported by GLSL ES 1.0, including many that are not explained in this book but which are often used in programming shaders.
Note that, in all but texture lookup functions, the operations on vector or matrix arguments are carried out component-wise. For example,
vec2 deg = vec2(60, 80);vec2 rad = radians(deg);
In these examples, the components of the variable rad are assigned values converted from 60 and 80 degrees, respectively.
Angle and Trigonometry Functions
Exponential Functions
Common Functions
The following functions determine which components ...
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