Qt: release scaled pixmaps from memory if possible

rpcs3/rpcs3qt/game_list.h

@@ -17,10 +17,10 @@ struct gui_game_info
 	compat::status compat;
 	QPixmap icon;
 	QPixmap pxmap;
-	bool hasCustomConfig;
+	bool hasCustomConfig = false;
-	bool hasCustomPadConfig;
+	bool hasCustomPadConfig = false;
-	bool has_hover_gif;
+	bool has_hover_gif = false;
-	movie_item* item;
+	movie_item* item = nullptr;
 };
 
 typedef std::shared_ptr<gui_game_info> game_info;

rpcs3/rpcs3qt/game_list_frame.cpp

@@ -2289,7 +2289,7 @@ void game_list_frame::PopulateGameList()
 
 		icon_item->set_icon_func([this, icon_item, game](int)
 		{
-			ensure(icon_item);
+			ensure(icon_item && game);
 
 			if (QMovie* movie = icon_item->movie(); movie && icon_item->get_active())
 			{
@@ -2298,6 +2298,12 @@ void game_list_frame::PopulateGameList()
 			else
 			{
 				icon_item->setData(Qt::DecorationRole, game->pxmap);
+
+				if (!game->has_hover_gif)
+				{
+					game->pxmap = {};
+				}
+
 				if (movie)
 				{
 					movie->stop();

rpcs3/rpcs3qt/game_list_grid.cpp

@@ -114,6 +114,11 @@ movie_item* game_list_grid::addItem(const game_info& app, const QString& name, c
 			painter.drawImage(offset, bg_img);
 			painter.drawPixmap(offset, app->pxmap);
 
+			if (!app->has_hover_gif)
+			{
+				app->pxmap = {};
+			}
+
 			if (movie)
 			{
 				movie->stop();