unique_ptr based management for SDL_Surfaces

common.hh

@@ -5,6 +5,7 @@
 #include <cstring>
 #include <cstdio>
 #include <cerrno>
+#include <memory>
 
 #include <glbinding/gl/gl.h>
 
@@ -136,4 +137,13 @@ enum class VAFormats {
     VertexNormalTexcoord
     };
 
+struct SDLSurfaceDeleter {
+  void operator()(SDL_Surface* ptr) const
+  {
+    SDL_FreeSurface(ptr);
+  }
+};
+
+using SDLSurfaceUPtr = std::unique_ptr<SDL_Surface, SDLSurfaceDeleter>;
+
 #endif