Randi J. Rost, Bill Licea-Kane, Dan Ginsburg, John M. Kessenic, Barthold Lichtenbelt, Hugh Malan, Mike Weiblen
This is the third edition of the orange book. It covers GLSL 1.4 and entry points from OpenGL 3.1. As usual the book is part tutorial, part reference. Very well written, clear and concise. Check out the companion site.
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