July 2012
Intermediate to advanced
712 pages
24h 57m
English
Content preview from OpenGL Insights
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508 VI Debugging and Profiling
way, as we do for the CPU, without severely affecting the performance. We need
to rely on the a synchronous timer query mechanism provided by OpenGL, which is
discussed in depth in Chapter 34. In order to support nested markers, we prefer the
glQueryCounter mechanism over glBeginQuery/glEndQuery pairs.
A consequence of this is that the profiler cannot display timing information
for a given frame until the results of the timer queries issued in this frame be-
come available. Therefore, we record timing information for several frames and
display the information related to the most ancient one. We found that a num-
ber of
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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.