Initial merge of Emscripten port!

With this commit, you can compile SDL2 with Emscripten
( http://emscripten.org/ ), and make your SDL-based C/C++ program
into a web app.

This port was due to the efforts of several people, including: Charlie Birks,
Sathyanarayanan Gunasekaran, Jukka Jyl?nki, Alon Zakai, Edward Rudd,
Bruce Mitchener, and Martin Gerhardy. (Thanks, everyone!)
This commit is contained in:
Ryan C. Gordon 2014-12-18 00:19:52 -05:00
parent a228b67d88
commit fe40a17224
61 changed files with 4047 additions and 600 deletions

View file

@ -122,7 +122,7 @@ extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
void _ReadWriteBarrier(void);
#pragma intrinsic(_ReadWriteBarrier)
#define SDL_CompilerBarrier() _ReadWriteBarrier()
#elif defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
#elif (defined(__GNUC__) && !defined(__EMSCRIPTEN__)) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
/* This is correct for all CPUs when using GCC or Solaris Studio 12.1+. */
#define SDL_CompilerBarrier() __asm__ __volatile__ ("" : : : "memory")
#else

View file

@ -217,6 +217,7 @@
#cmakedefine SDL_AUDIO_DRIVER_WINMM @SDL_AUDIO_DRIVER_WINMM@
#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND @SDL_AUDIO_DRIVER_FUSIONSOUND@
#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC @SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_EMSCRIPTEN @SDL_AUDIO_DRIVER_EMSCRIPTEN@
/* Enable various input drivers */
#cmakedefine SDL_INPUT_LINUXEV @SDL_INPUT_LINUXEV@
@ -230,6 +231,7 @@
#cmakedefine SDL_JOYSTICK_WINMM @SDL_JOYSTICK_WINMM@
#cmakedefine SDL_JOYSTICK_USBHID @SDL_JOYSTICK_USBHID@
#cmakedefine SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H @SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H@
#cmakedefine SDL_JOYSTICK_EMSCRIPTEN @SDL_JOYSTICK_EMSCRIPTEN@
#cmakedefine SDL_HAPTIC_DUMMY @SDL_HAPTIC_DUMMY@
#cmakedefine SDL_HAPTIC_LINUX @SDL_HAPTIC_LINUX@
#cmakedefine SDL_HAPTIC_IOKIT @SDL_HAPTIC_IOKIT@
@ -279,6 +281,7 @@
#cmakedefine SDL_VIDEO_DRIVER_MIR @SDL_VIDEO_DRIVER_MIR@
#cmakedefine SDL_VIDEO_DRIVER_MIR_DYNAMIC @SDL_VIDEO_DRIVER_MIR_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON @SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON@
#cmakedefine SDL_VIDEO_DRIVER_EMSCRIPTEN @SDL_VIDEO_DRIVER_EMSCRIPTEN@
#cmakedefine SDL_VIDEO_DRIVER_X11 @SDL_VIDEO_DRIVER_X11@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC @SDL_VIDEO_DRIVER_X11_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT @SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT@
@ -325,6 +328,7 @@
#cmakedefine SDL_POWER_WINDOWS @SDL_POWER_WINDOWS@
#cmakedefine SDL_POWER_MACOSX @SDL_POWER_MACOSX@
#cmakedefine SDL_POWER_HAIKU @SDL_POWER_HAIKU@
#cmakedefine SDL_POWER_EMSCRIPTEN @SDL_POWER_EMSCRIPTEN@
#cmakedefine SDL_POWER_HARDWIRED @SDL_POWER_HARDWIRED@
/* Enable system filesystem support */
@ -333,6 +337,7 @@
#cmakedefine SDL_FILESYSTEM_DUMMY @SDL_FILESYSTEM_DUMMY@
#cmakedefine SDL_FILESYSTEM_UNIX @SDL_FILESYSTEM_UNIX@
#cmakedefine SDL_FILESYSTEM_WINDOWS @SDL_FILESYSTEM_WINDOWS@
#cmakedefine SDL_FILESYSTEM_EMSCRIPTEN @SDL_FILESYSTEM_EMSCRIPTEN@
/* Enable assembly routines */
#cmakedefine SDL_ASSEMBLY_ROUTINES @SDL_ASSEMBLY_ROUTINES@

View file

@ -228,6 +228,7 @@
#undef SDL_AUDIO_DRIVER_WINMM
#undef SDL_AUDIO_DRIVER_FUSIONSOUND
#undef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
#undef SDL_AUDIO_DRIVER_EMSCRIPTEN
/* Enable various input drivers */
#undef SDL_INPUT_LINUXEV
@ -243,6 +244,7 @@
#undef SDL_JOYSTICK_WINMM
#undef SDL_JOYSTICK_USBHID
#undef SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
#undef SDL_JOYSTICK_EMSCRIPTEN
#undef SDL_HAPTIC_DUMMY
#undef SDL_HAPTIC_LINUX
#undef SDL_HAPTIC_IOKIT
@ -287,6 +289,7 @@
#undef SDL_VIDEO_DRIVER_X11
#undef SDL_VIDEO_DRIVER_RPI
#undef SDL_VIDEO_DRIVER_ANDROID
#undef SDL_VIDEO_DRIVER_EMSCRIPTEN
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR
@ -336,6 +339,7 @@
#undef SDL_POWER_MACOSX
#undef SDL_POWER_HAIKU
#undef SDL_POWER_ANDROID
#undef SDL_POWER_EMSCRIPTEN
#undef SDL_POWER_HARDWIRED
/* Enable system filesystem support */
@ -345,6 +349,7 @@
#undef SDL_FILESYSTEM_UNIX
#undef SDL_FILESYSTEM_WINDOWS
#undef SDL_FILESYSTEM_NACL
#undef SDL_FILESYSTEM_EMSCRIPTEN
/* Enable assembly routines */
#undef SDL_ASSEMBLY_ROUTINES

View file

@ -532,6 +532,20 @@ extern "C" {
*/
#define SDL_HINT_IME_INTERNAL_EDITING "SDL_IME_INTERNAL_EDITING"
/**
* \brief override the binding element for keyboard inputs for Emscripten builds
*
* This hint only applies to the emscripten platform
*
* The variable can be one of
* "#window" - The javascript window object (this is the default)
* "#document" - The javascript document object
* "#screen" - the javascript window.screen object
* "#canvas" - the WebGL canvas element
* any other string without a leading # sign apples to the element on the page with that ID.
*/
#define SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT "SDL_EMSCRIPTEN_KEYBOARD_ELEMENT"
/**
* \brief An enumeration of hint priorities
*/