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
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Image Qualifiers and Barriers
The techniques outlined above work well when compilers don’t perform overly aggressive optimizations on your shaders. However, under certain circumstances, the compiler might change the order or frequency of image loads or stores, and may eliminate them altogether if it believes they are redundant. For example, consider the simple example loop in Example 11.15.
Example 11.15. Basic Spin-Loop Waiting on Memory
#version 420 core// Image that we’ll read from in the looplayout (r32ui} uniform uimageBuffer my_image;void waitForImageToBeNonZero(){ uint val; do { // (Re-)read from the image at a fixed location. val = imageLoad(my_image, 0).x; // Loop until the ...
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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.