Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Android NDK Beginner`s Guide - Second Edition

You're reading from   Android NDK Beginner`s Guide - Second Edition Discover the native side of Android and inject the power of C/C++ in your applications

Arrow left icon
Product type Paperback
Published in Apr 2015
Publisher Packt
ISBN-13 9781783989645
Length 494 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Sylvain Ratabouil Sylvain Ratabouil
Author Profile Icon Sylvain Ratabouil
Sylvain Ratabouil
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Setting Up Your Environment FREE CHAPTER 2. Starting a Native Android Project 3. Interfacing Java and C/C++ with JNI 4. Calling Java Back from Native Code 5. Writing a Fully Native Application 6. Rendering Graphics with OpenGL ES 7. Playing Sound with OpenSL ES 8. Handling Input Devices and Sensors 9. Porting Existing Libraries to Android 10. Intensive Computing with RenderScript 11. Afterword Index

Chapter 10. Intensive Computing with RenderScript

If the NDK is one of the best tools to get a high performance on Android. It gives low-level access to the machine, gives you control on memory allocation, provides access to advanced CPU instruction-sets, and even more.

This power comes with a price: to get maximum performance on a key piece of code, ones need to optimize code for the many devices and platforms in the world. Sometimes, it is more appropriate to use CPU SIMD instructions, and other times, to perform computation on the GPU. You had better be experienced and have plenty of devices and time in front of you! This is the reason Google introduced RenderScript on Android.

RenderScript is a programming language specific to Android written with one goal in mind: performance. Let's be clear, applications cannot be entirely written in RenderScript. However, the critical parts, requiring intensive computations, should be! RenderScript can be executed from either Java...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image