Clear the gameinfo cache on device lost.

UI/GameInfoCache.cpp

@@ -147,9 +147,7 @@ private:
 
 
 GameInfoCache::~GameInfoCache() {
-	for (auto iter = info_.begin(); iter != info_.end(); iter++) {
-		delete iter->second;
-	}
+	Clear();
 }
 
 void GameInfoCache::Init() {
@@ -174,6 +172,27 @@ void GameInfoCache::Decimate() {
 	// TODO
 }
 
+void GameInfoCache::Clear() {
+	gameInfoWQ_->Flush();
+	for (auto iter = info_.begin(); iter != info_.end(); iter++) {
+		lock_guard lock(iter->second->lock);
+		if (!iter->second->pic0TextureData.empty()) {
+			iter->second->pic0TextureData.clear();
+		}
+		if (iter->second->pic0Texture) {
+			delete iter->second->pic0Texture;
+			iter->second->pic0Texture = 0;
+		}
+		if (!iter->second->pic1TextureData.empty()) {
+			iter->second->pic1TextureData.clear();
+		}
+		if (iter->second->pic1Texture) {
+			delete iter->second->pic1Texture;
+			iter->second->pic1Texture = 0;
+		}
+	}
+}
+
 void GameInfoCache::FlushBGs() {
 	for (auto iter = info_.begin(); iter != info_.end(); iter++) {
 		lock_guard lock(iter->second->lock);

UI/GameInfoCache.h

@@ -67,6 +67,7 @@ public:
 	// This creates a background worker thread!
 	void Init();
 	void Shutdown();
+	void Clear();
 
 	// All data in GameInfo including iconTexture may be zero the first time you call this
 	// but filled in later asynchronously in the background. So keep calling this,

UI/MenuScreens.cpp

@@ -245,7 +245,11 @@ void MenuScreen::render() {
 		// TODO: Save when setting changes, rather than when we quit
 		NativeShutdown();
 		// TODO: Need a more elegant way to quit
+#ifdef _WIN32
+		ExitProcess(0);
+#else
 		exit(0);
+#endif
 	}
 
 	if (UIButton(GEN_ID, vlinear, w, 0, "www.ppsspp.org", ALIGN_RIGHT)) {

UI/NativeApp.cpp

@@ -422,6 +422,7 @@ void NativeUpdate(InputState &input)
 
 void NativeDeviceLost()
 {
+	g_gameInfoCache.Clear();
 	screenManager->deviceLost();
 	gl_lost();
 	glstate.Restore();