Enhance Renderer class with Clear and Present methods for improved rendering control; remove unnecessary comments and streamline SDL_Surface and SDL_Texture deleters by eliminating memory tracking logic. Additionally, remove unused TexturePool class to simplify the codebase.

src/app/gfx/texture_pool.h

@@ -1,69 +0,0 @@
-#ifndef YAZE_APP_GFX_TEXTURE_POOL_H
-#define YAZE_APP_GFX_TEXTURE_POOL_H
-
-#include <SDL.h>
-
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-namespace yaze {
-namespace gfx {
-
-class TexturePool {
- public:
-  static TexturePool& GetInstance() {
-    static TexturePool instance;
-    return instance;
-  }
-
-  SDL_Texture* GetTexture(SDL_Renderer* renderer, int width, int height,
-                          Uint32 format) {
-    std::string key = GenerateKey(width, height, format);
-
-    // Check if we have a suitable texture in the pool
-    auto it = available_textures_.find(key);
-    if (it != available_textures_.end() && !it->second.empty()) {
-      SDL_Texture* texture = it->second.back();
-      it->second.pop_back();
-      return texture;
-    }
-
-    // Create a new texture
-    return SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STREAMING,
-                             width, height);
-  }
-
-  void ReturnTexture(SDL_Texture* texture, int width, int height,
-                     Uint32 format) {
-    if (!texture) return;
-
-    std::string key = GenerateKey(width, height, format);
-    available_textures_[key].push_back(texture);
-  }
-
-  void Clear() {
-    for (auto& pair : available_textures_) {
-      for (SDL_Texture* texture : pair.second) {
-        SDL_DestroyTexture(texture);
-      }
-    }
-    available_textures_.clear();
-  }
-
- private:
-  TexturePool() = default;
-
-  std::string GenerateKey(int width, int height, Uint32 format) {
-    return std::to_string(width) + "x" + std::to_string(height) + "_" +
-           std::to_string(format);
-  }
-
-  std::unordered_map<std::string, std::vector<SDL_Texture*>>
-      available_textures_;
-};
-
-}  // namespace gfx
-}  // namespace yaze
-
-#endif  // YAZE_APP_GFX_TEXTURE_POOL_H