Merge branch 'master' into phantom

1 files changed, 117 insertions, 0 deletions

diff --git a/backends/platform/sdl/sdl-sys.h b/backends/platform/sdl/sdl-sys.h
index eec3741ed6..67ad84efd3 100644
--- a/backends/platform/sdl/sdl-sys.h
+++ b/backends/platform/sdl/sdl-sys.h
@@ -52,12 +52,84 @@ typedef struct { int FAKE; } FAKE_FILE;
 #define strncasecmp FAKE_strncasecmp
 #endif
 
+// HACK: SDL might include windows.h which defines its own ARRAYSIZE.
+// However, we want to use the version from common/util.h. Thus, we make sure
+// that we actually have this definition after including the SDL headers.
+#if defined(ARRAYSIZE) && defined(COMMON_UTIL_H)
+#define HACK_REDEFINE_ARRAYSIZE
+#undef ARRAYSIZE
+#endif
+
+// HACK to fix compilation with SDL 2.0 in MSVC.
+// In SDL 2.0, intrin.h is now included in SDL_cpuinfo.h, which includes
+// setjmp.h. SDL_cpuinfo.h is included from SDL.h and SDL_syswm.h.
+// Thus, we remove the exceptions for setjmp and longjmp before these two
+// includes. Unfortunately, we can't use SDL_VERSION_ATLEAST here, as SDL.h
+// hasn't been included yet at this point.
+#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER)
+// We unset any fake definitions of setjmp/longjmp here
+
+#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
+#undef setjmp
+#endif
+
+#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
+#undef longjmp
+#endif
+
+#endif
+
 #if defined(__SYMBIAN32__)
 #include <esdl\SDL.h>
 #else
 #include <SDL.h>
 #endif
 
+#include <SDL_syswm.h>
+
+// Restore the forbidden exceptions from the hack above
+#if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && defined(_MSC_VER)
+
+#ifndef FORBIDDEN_SYMBOL_EXCEPTION_setjmp
+#undef setjmp
+#define setjmp(a)	FORBIDDEN_SYMBOL_REPLACEMENT
+#endif
+
+#ifndef FORBIDDEN_SYMBOL_EXCEPTION_longjmp
+#undef longjmp
+#define longjmp(a,b)	FORBIDDEN_SYMBOL_REPLACEMENT
+#endif
+
+#endif
+
+// SDL_syswm.h will include windows.h on Win32. We need to undefine its
+// ARRAYSIZE definition because we supply our own.
+#undef ARRAYSIZE
+
+#ifdef HACK_REDEFINE_ARRAYSIZE
+#undef HACK_REDEFINE_ARRAYSIZE
+#define ARRAYSIZE(x) ((int)(sizeof(x) / sizeof(x[0])))
+#endif
+
+// In a moment of brilliance Xlib.h included by SDL_syswm.h #defines the
+// following names. In a moment of mental breakdown, which occured upon
+// gazing at Xlib.h, LordHoto decided to undefine them to prevent havoc.
+#ifdef Status
+#undef Status
+#endif
+
+#ifdef Bool
+#undef Bool
+#endif
+
+#ifdef True
+#undef True
+#endif
+
+#ifdef False
+#undef False
+#endif
+
 // Finally forbid FILE again (if it was forbidden to start with)
 #if !defined(FORBIDDEN_SYMBOL_ALLOW_ALL) && !defined(FORBIDDEN_SYMBOL_EXCEPTION_FILE)
 #undef FILE
@@ -74,5 +146,50 @@ typedef struct { int FAKE; } FAKE_FILE;
 #define strncasecmp    FORBIDDEN_SYMBOL_REPLACEMENT
 #endif
 
+// SDL 2 has major API changes. We redefine constants which got renamed to
+// ease the transition. This is sometimes dangerous because the values changed
+// too!
+#if SDL_VERSION_ATLEAST(2, 0, 0)
+
+// Type names which changed between SDL 1.2 and SDL 2.
+#define SDLKey     SDL_Keycode
+#define SDLMod     SDL_Keymod
+#define SDL_keysym SDL_Keysym
+
+// Key code constants which got renamed.
+#define SDLK_SCROLLOCK SDLK_SCROLLLOCK
+#define SDLK_NUMLOCK   SDLK_NUMLOCKCLEAR
+#define SDLK_LSUPER    SDLK_LGUI
+#define SDLK_RSUPER    SDLK_RGUI
+#define SDLK_PRINT     SDLK_PRINTSCREEN
+#define SDLK_COMPOSE   SDLK_APPLICATION
+#define SDLK_KP0       SDLK_KP_0
+#define SDLK_KP1       SDLK_KP_1
+#define SDLK_KP2       SDLK_KP_2
+#define SDLK_KP3       SDLK_KP_3
+#define SDLK_KP4       SDLK_KP_4
+#define SDLK_KP5       SDLK_KP_5
+#define SDLK_KP6       SDLK_KP_6
+#define SDLK_KP7       SDLK_KP_7
+#define SDLK_KP8       SDLK_KP_8
+#define SDLK_KP9       SDLK_KP_9
+
+// Meta key constants which got renamed.
+#define KMOD_META KMOD_GUI
+
+// SDL surface flags which got removed.
+#define SDL_SRCCOLORKEY 0
+#define SDL_SRCALPHA    0
+#define SDL_FULLSCREEN  0x40000000
+
+// Compatibility implementations for removed functionality.
+int SDL_SetColors(SDL_Surface *surface, SDL_Color *colors, int firstcolor, int ncolors);
+int SDL_SetAlpha(SDL_Surface *surface, Uint32 flag, Uint8 alpha);
+
+#define SDL_SetColorKey SDL_SetColorKey_replacement
+int SDL_SetColorKey_replacement(SDL_Surface *surface, Uint32 flag, Uint32 key);
+
+#endif
+
 
 #endif