Initially planned as alternative, made replacement after discussion with
minggo.
Summary:
GLFW v.3 released in June. New version breaks API without real need:
http://cocos2d-x.org/boards/6/topics/31277
Meanwhile SDL2 is very stable. SDL2 used in Steam Runtime and will be
part of Ubuntu SDK, it's supported by other distributions.
Completed:
- OpenGL initialization and window handling with SDL
- Keyboard, IME emulation, mouse and touches support with SDL
- Window title now contains app name on Linux
- Backspace correctly handled with new backend
Note:
- SDL on X11 have no proper multitouch, but backend handles multitouch
events to support future Linux graphics.
Some CCLog message contained trailing newlines which
made the logs hard to read on many platforms. The solution
here is to stip trailing newlines on those platforms, and also
to remove the newlines from the existing log messages.