Modified Patch #1925352: Memory leak fixes

svn-id: r31244

backends/platform/sdl/graphics.cpp

@@ -459,6 +459,7 @@ void OSystem_SDL::unloadGFXMode() {
 		_osdSurface = NULL;
 	}
 #endif
+	DestroyScalers();
 }
 
 void OSystem_SDL::hotswapGFXMode() {

backends/platform/sdl/sdl.cpp

@@ -309,9 +309,23 @@ void OSystem_SDL::quit() {
 	if (_joystick)
 		SDL_JoystickClose(_joystick);
 	SDL_ShowCursor(SDL_ENABLE);
+
+	SDL_RemoveTimer(_timerID);
+	SDL_CloseAudio();
+
+	free(_dirtyChecksums);
+	free(_currentPalette);
+	free(_cursorPalette);
+	free(_mouseData);
+
+	delete _savefile;
+	delete _mixer;
+	delete _timer;
+
 	SDL_Quit();
 
 	delete getEventManager();
+
 	exit(0);
 }
 

base/main.cpp

@@ -329,6 +329,10 @@ extern "C" int scummvm_main(int argc, char *argv[]) {
 
 		launcherDialog(system);
 	}
+	PluginManager::instance().unloadPluginsExcept(NULL);
+	PluginManager::instance().destroy();
+	ConfMan.destroy();
+	delete g_gui.theme();
 
 	return 0;
 }

common/singleton.h

@@ -71,6 +71,10 @@ public:
 			_singleton = T::makeInstance();
 		return *_singleton;
 	}
+	virtual void destroy() {
+		delete _singleton;
+		_singleton = 0;
+	}
 protected:
 	Singleton<T>()		{ }
 #ifdef __SYMBIAN32__

engines/scumm/scumm.cpp

@@ -885,6 +885,8 @@ ScummEngine_v7::~ScummEngine_v7() {
 		delete _splayer;
 	}
 
+	delete _insane;
+
 	free(_languageBuffer);
 	free(_languageIndex);
 }
@@ -1201,6 +1203,7 @@ void ScummEngine::setupScumm() {
 		_fmtownsBuf = (byte *)malloc(_screenWidth * _textSurfaceMultiplier * _screenHeight * _textSurfaceMultiplier);
 	}
 
+	free(_compositeBuf);
 	_compositeBuf = (byte *)malloc(_screenWidth * _textSurfaceMultiplier * _screenHeight * _textSurfaceMultiplier);
 }
 

graphics/scaler.cpp

@@ -27,7 +27,6 @@
 #include "graphics/scaler/scalebit.h"
 #include "common/util.h"
 
-
 int gBitFormat = 565;
 
 #ifndef DISABLE_HQ_SCALERS
@@ -112,6 +111,11 @@ void InitScalers(uint32 BitFormat) {
 #endif
 }
 
+void DestroyScalers(){
+	free(RGBtoYUV);
+	free(LUT16to32);
+}
+
 
 /**
  * Trivial 'scaler' - in fact it doesn't do any scaling but just copies the

graphics/scaler.h

@@ -29,6 +29,7 @@
 #include "graphics/surface.h"
 
 extern void InitScalers(uint32 BitFormat);
+extern void DestroyScalers();
 
 typedef void ScalerProc(const uint8 *srcPtr, uint32 srcPitch,
 							uint8 *dstPtr, uint32 dstPitch, int width, int height);

sound/softsynth/adlib.cpp

@@ -871,6 +871,7 @@ void MidiDriver_ADLIB::close() {
 	}
 
 	// Turn off the OPL emulation
+	OPLDestroy(_opl);
 //	YM3812Shutdown();
 
 	free(_adlib_reg_cache);