Fixed bug 2423 - timeBeginPeriod & timeEndPeriod mismatch

Coriiander

In src\timer\windows\SDL_systimer.c there is an error with regards to timeBeginPeriod and timeEndPeriod. These functions typically get called when no high resolution timer is available, and GetTickCount is not used.

According to MSDN (link: http://msdn.microsoft.com/en-us/library/windows/desktop/dd757624(v=vs.85).aspx), for every call to timeBeginPeriod a subsequent call to timeEndPeriod is required. While SDL is currently doing this, it fails to call timeEndPeriod when cleaning up/shutting down SDL. Please note that these functions affect things on a system level. Failing to call timeEndPeriod, disables applications for using WINMM-timers after usage&shutdown of SDL, as effectively they the mechanism is now broken.

Solution:
Ensure this code gets called when shutting down the timer subsystem:

#ifndef USE_GETTICKCOUNT
if (!hires_timer_available)
{
    timeSetPeriod(0);
}
#endif
Fixed bug 2368 - Security Software is blocking RegisterRawInputDevices()

Yamagi

A customer of mine had the strange problem, that SDL_SetRelativeMouseMode() was failing for him on Windows 7. Luckily he was willing to provide some debug informations. We could track this problem down to RegisterRawInputDevices() failing due to security software running on his system (Norton Internet Security to be precise, but there are reports of similar problems with other products. For example [1]). Working around this issue with SDL_WarpMouseInWindow() is easy, and while I don't think that SDL2 can provide an internal workaround it would be really nice and helpfull if this could be documentated somewhere.

1: http://forums.codeguru.com/showthread.php?498374-How-to-run-a-very-long-SQL-statement
Updated with the latest 2.0.2 API changes
Fixed test for libuuid.a
Fixed compiler warning
Fixed compiler warning
Changed SDL_HINT_ACCEL_AS_JOY to SDL_HINT_ACCELEROMETER_AS_JOYSTICK to be more clear.
Force Windows version of SDL_GetPrefPath() to Unicode, create missing dirs.

Fixes Bugzilla #2273.
Mac OS X: Make OpenGL context selection more robust, avoid software fallback.

Fixes Bugzilla #2197.
Added some FIXMEs.
Dynamically load glGetString(), to avoid direct dependency on OpenGL.
Fixed a typo in a comment.
Added a FIXME.
Windows: Fixed crash if quitting without closing an XInput haptic device.
Fixed X11 XInput2 multitouch test to work in configure script.

configure wraps this C code in a main() function, so you can't declare a
function body in there. Besides, I'm not sure why we declared a function
that's part of the multitouch API anyhow.

Now we just reference a type that only exists if the headers have multitouch
support and call it a day.
Better attempt to detect available X11 XInput2 features.

Fixes Bugzilla #2306.
Reworked fullscreen policy on Mac OS X.

- SDL_WINDOW_FULLSCREEN works as always (change resolution, lock to window).
- SDL_WINDOW_FULLSCREEN_DESKTOP now puts the window in its own Space, and
  hides the menu bar, but you can slide between Spaces and Command-Tab between
  apps without the window minimizing, etc.
- SDL_WINDOW_RESIZABLE windows will get the new 10.7+ "toggle fullscreen"
  window decoration and menubar item. As far as the app is concerned, this is
  no different than resizing a window, but it gives the end-user more power.
- The hint for putting fullscreen windows into the Spaces system is gone,
  since Spaces can't enforce the requested resolution. It's a perfect match
  for FULLSCREEN_DESKTOP, though, so this is all automated now.
Make sure we return version 0 if XInput detection fails
Backed out changeset a6493ee0c9b5
Add support for the freedesktop.org Idle Inhibition specification,
as per:
http://people.freedesktop.org/~hadess/idle-inhibition-spec/

This makes screensaver inhibition work with GNOME 3 and other
desktop environments that implement the specification.

https://bugzilla.libsdl.org/show_bug.cgi?id=2169