Añadido SDL_GetError a SDL_SetWindowDisplayMode

source/common/screen.cpp

@@ -178,7 +178,14 @@ void Screen::setVideoMode(int videoMode)
         DM.w = 1024;
         DM.h = 600;
         DM.refresh_rate = 60;
-        SDL_SetWindowDisplayMode(window, &DM);
+        if (!SDL_SetWindowDisplayMode(window, &DM))
+        {
+            stc::cout << SDL_GetError() << std::endl;
+        }
+        else
+        {
+            stc::cout << "Changed windows display mode" << std::endl;
+        }
 #endif
 
         // Oculta el puntero