March 2013
Intermediate to advanced
984 pages
26h 18m
English
book
OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
by Dave Shreiner, Graham Sellers, John M. Kessenich, Bill M. Licea-Kane
Content preview from OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
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Fragment Shaders for Different Light Styles
We’ll next discuss how fragment shaders compute the ambient, diffuse, and speculative amounts for several types of light, including directional lighting, point lighting, and spotlight lighting. These will be complete with a vertex and fragment shader pair built up as we go from simplest to more complex. The later shaders may seem long, but if you start with the simplest and follow the incremental additions, it will be easy to understand.
Note
The comments in each example highlight the change or difference from the previous step, making it easy to look and identify the new concepts.
No Lighting
We’ll start with the simplest lighting—no lighting! By this, we don’t mean everything will be black, but ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.