Upgrading pool pattern

engine/src/resources/pools/render_target_pool.hpp

@@ -1,44 +1,36 @@
 #pragma once
 
-#include <memory>
 #include <sophia/handles.hpp>
-#include <vector>
 
 #include "device.hpp"
 #include "render_target.hpp"
+#include "resources/pools/pool.hpp"
 
 namespace sophia {
 
 class RenderTargetPool {
  public:
   RenderTargetPool(Device& device, vk::Format format);
-  ~RenderTargetPool();
 
   RenderTargetPool(const RenderTargetPool&) = delete;
   RenderTargetPool& operator=(const RenderTargetPool&) = delete;
 
   RenderTargetHandle create(u32 width, u32 height);
-  RenderTarget& get(RenderTargetHandle handle);
-  const RenderTarget& get(RenderTargetHandle handle) const;
+  RenderTarget& get(RenderTargetHandle handle) { return pool.get(handle); }
+  const RenderTarget& get(RenderTargetHandle handle) const {
+    return pool.get(handle);
+  }
   void release(RenderTargetHandle handle);
 
-  bool isAlive(RenderTargetHandle handle) const;
+  bool isAlive(RenderTargetHandle handle) const { return pool.isAlive(handle); }
 
   void applyPendingResizes();
 
  private:
-  struct Slot {
-    std::unique_ptr<RenderTarget> target;
-    u32 generation = 0;
-  };
-
-  const Slot& validate(RenderTargetHandle handle) const;
-
   Device& device;
   vk::Format format;
 
-  std::vector<Slot> slots;
-  std::vector<u32> freeList;
+  Pool<RenderTarget, RenderTargetHandle> pool{"RenderTarget"};
 };
 
 }  // namespace sophia