choosing an application framework for mobile linux device
TRANSCRIPT
Choosing an application framework for
Mobile Linux Devices
The story of the SimputerTM
Drawing was simple
Open Alchemyhttp://openalchemy.org
Times be changing
ARM Twisting(This is good thing!)
Summer of X86Winter of XScale
Embedded Graphics
OpenGL, OpenVG
Changing user expectations
Getting X off the hardware
All hail Keith Packard!
The Contenders
Gnome/ Gtk
Kde/Qt
Enlightenment/ E
Clutter/ Tidy
Android
Utopian application framework
Timeline and animation support
Simple rotate, alpha and transition
Experiments with Cairo
CPU goes Waaaah!
Hardware wants to be *used*Under assumption than marvin hasn't been created yet!
Rewrite our birth right:This time we use hardware
Benchmarking frame rate
Tesselated texture on Intel Mobile
Simple polygon drawing
Name Animation apiHardware support(Opengl/gles)
Gtk/Gnome
Qt/Kde
EFL/E
Clutter/ Tidy
Android
No No
Yes Opengl
Yes Opengl
Yes Opengl/ gles
Yes Opengles
Rendering to Ofscreen Pixmap
No
Yes
Yes
Yes
No Idea!
Multi language bindings
Name Languages
Gtk/Gnome C,C++,python, java, c#
QT/KDE C++,Python, Java
Clutter/Tidy C, Python
EFL/E C,Python (C#)
Android Java
Email and HTML libraries
Name Email Browser
Gtk/Gnome Camel GtkMozembed, GtkWebkit
Kde/Qt Akonadi, Kmail Khtml, QtWebKit
Clutter/ Tidy Clutter Webkit
EFL/ E
Android Webkit
Inter Process Communication
Name Platform
Dbus Gnome, QT, EFL, Clutter
Android.os Android(Its called Ibinder amazingly, no relation to the Iphone i swear)
Possible Scenarios
Scenario 1
Hardware:GPU/ FPU
GLES supportSupported Driver
Eg: Freescale I.MX31Omap 2430, 3430
Best Bet: Clutter, Gtk
Hardware:GPU/ FPU
GL2.0 supportSupported Driver
Eg: MenlowAmd mobile processor
Best Bet: QT, Clutter, EFL, Gtk(In that order)
Hardware:No GPU/ FPU
Eg: Xscale
Best Bet: EFL, Gtk, QT
Challenges going forward
Multi core architecture: Do we have a strategy?
New Input handling?
Predicting next wave of display technologies
* EInk* Projection
Building a linuxbased mobile device has never been easier
Building a worthy device continues to be an exciting journey
