split out SetupSDL

stepmania/src/SDL_utils.cpp

@@ -335,6 +335,19 @@ void SDL_UpdateHWnd()
 #endif
 }
 
+void SetupSDL()
+{
+	static bool bDone = false;
+	if( bDone )
+		return;
+	bDone = true;
+
+	/* Start SDL (with no subsystems), to make sure we don't use SDL's error handler. */
+	SDL_Init( SDL_INIT_NOPARACHUTE );
+
+	/* Clean up on exit. */
+	atexit( SDL_Quit );
+}
 
 /*
  * (c) 2002-2004 Glenn Maynard

stepmania/src/SDL_utils.h

@@ -33,6 +33,8 @@ RageSurface *RageSurfaceFromSDLSurface( SDL_Surface *surf );
 
 void SDL_UpdateHWnd();
 
+void SetupSDL();
+
 #endif
 
 /*

stepmania/src/StepMania.cpp

@@ -968,15 +968,13 @@ int main(int argc, char* argv[])
 	PREFSMAN->ReadGlobalPrefsFromDisk();
 	ApplyLogPreferences();
 	
-	atexit(SDL_Quit);   /* Clean up on exit */
+#if defined(HAVE_SDL)
+	SetupSDL();
+#endif
 
 	/* This should be done after PREFSMAN is set up, so it can use Dialog::OK(). */
 	Dialog::Init();
 
-	/* Fire up the SDL, but don't actually start any subsystems.
-	 * We use our own error handlers. */
-	SDL_Init( SDL_INIT_NOPARACHUTE );
-
 	//
 	// Create game objects
 	//
@@ -1067,8 +1065,7 @@ int main(int argc, char* argv[])
 	SONGMAN->PreloadSongImages();
 
 	/* This initializes objects that change the SDL event mask, and has other
-	 * dependencies on the SDL video subsystem, so it must be initialized after
+	 * dependencies on the SDL video subsystem, so it must be initialized after DISPLAY. */
-	 * DISPLAY and setting the default SDL event mask. */
 	INPUTMAN	= new RageInput;
 
 	// These things depend on the TextureManager, so do them after!