Quan canvia de RendererSurface, torna a deixar la que havia, no la de per defecte

source/ending.cpp

@@ -174,6 +174,7 @@ void Ending::iniTexts()
 
         // Crea la textura
         st.image_surface = std::make_shared<Surface>(WIDTH, HEIGHT);
+        auto previuos_renderer = Screen::get()->getRendererSurface();
         Screen::get()->setRendererSurface(st.image_surface);
         text->writeDX(TEXT_STROKE, 2, 2, txt.caption, 1, text_color, 2, shadow_color);
 
@@ -216,7 +217,7 @@ void Ending::iniTexts()
         st.cover_clip_height = HEIGHT;
 
         sprite_texts_.push_back(st);
-        Screen::get()->setRendererSurface(nullptr);
+        Screen::get()->setRendererSurface(previuos_renderer);
     }
 }
 
@@ -250,6 +251,7 @@ void Ending::iniPics()
 
         // Crea la cover_surface
         sp.cover_surface = std::make_shared<Surface>(WIDTH, HEIGHT + 8);
+        auto previuos_renderer = Screen::get()->getRendererSurface();
         Screen::get()->setRendererSurface(sp.cover_surface);
 
         // Rellena la cover_surface con color transparente
@@ -283,7 +285,7 @@ void Ending::iniPics()
         sp.cover_clip_height = HEIGHT;
 
         sprite_pics_.push_back(sp);
-        Screen::get()->setRendererSurface(nullptr);
+        Screen::get()->setRendererSurface(previuos_renderer);
     }
 }
 
@@ -473,6 +475,7 @@ void Ending::checkChangeScene()
 void Ending::fillCoverTexture()
 {
     // Rellena la textura que cubre el texto con color transparente
+	auto previuos_renderer = Screen::get()->getRendererSurface();
     Screen::get()->setRendererSurface(cover_surface_);
     cover_surface_->clear(stringToColor("transparent"));
 
@@ -495,7 +498,7 @@ void Ending::fillCoverTexture()
     SDL_Rect rect = {0, 0, 256, options.game.height};
     surface->fillRect(&rect, color);
 
-    Screen::get()->setRendererSurface(nullptr);
+    Screen::get()->setRendererSurface(previuos_renderer);
 }
 
 // Dibuja la cortinilla de cambio de escena