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Hands-On High Performance Programming with Qt 5

You're reading from   Hands-On High Performance Programming with Qt 5 Build cross-platform applications using concurrency, parallel programming, and memory management

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789531244
Length 384 pages
Edition 1st Edition
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Author (1):
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Marek Krajewski Marek Krajewski
Author Profile Icon Marek Krajewski
Marek Krajewski
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Table of Contents (14) Chapters Close

Preface 1. Understanding Performant Programs 2. Profiling to Find Bottlenecks FREE CHAPTER 3. Deep Dive into C++ and Performance 4. Using Data Structures and Algorithms Efficiently 5. An In-Depth Guide to Concurrency and Multithreading 6. Performance Failures and How to Overcome Them 7. Understanding I/O Performance and Overcoming Related Problems 8. Optimizing Graphical Performance 9. Optimizing Network Performance 10. Qt Performance on Embedded and Mobile Platforms 11. Testing and Deploying Qt Applications 12. Assessments 13. Other Books You May Enjoy

Summary

In this chapter, we looked at the vast theme of graphics performance. It's a very deep topic given the recent advances in graphics hardware and APIs. Additionally, there is an almost infinite number of Qt APIs for drawing and painting as a consequence of its long history.

Nonetheless, we started by learning about modern graphics hardware, the OpenGL pipeline as its abstract programming model, and its possible bottlenecks. Then we moved to an overview of the Qt's graphics APIs and learned which ones should still be used and which should be avoided. Next, we had a closer look at the two most important parts of Qt: the Qt Widget's and Qt Quick modules. We learned about their internal mechanisms and techniques to improve their performance. We also had a quick look at the relatively new and very promising Qt 3D module.

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