#pragma region CPL License
/*
Nuclex Native Framework
Copyright (C) 2002-2013 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion // CPL License

#ifndef NUCLEX_GRAPHICS_RASTERIZATION_RESOURCE_H
#define NUCLEX_GRAPHICS_RASTERIZATION_RESOURCE_H

#include "../Config.h"
#include "../Helpers/sigslot.h"

namespace Nuclex { namespace Graphics { namespace Rasterization {

  // ------------------------------------------------------------------------------------------- //

  ///<summary>Resource that can be used by the GPU</summary>
  class Resource {

    #pragma region class Observer

    /// <summary>Receives notifications from the resource when it changes</summary>
    public: class Observer {

      /// <summary>Frees the resources used by the observer</summary>
      public: virtual ~Observer() {}

      /// <summary>Called right before the resource is destroyed</summary>
      public: virtual void Destroying() = 0;

    };

    #pragma endregion // class Observer

    /// <summary>Frees the resource</summary>
    public: NUCLEX_GRAPHICS_API virtual ~Resource() {}

  };

  // ------------------------------------------------------------------------------------------- //

}}} // namespace Nuclex::Graphics::Rasterization

#endif // NUCLEX_GRAPHICS_RASTERIZATION_RESOURCE_H