RenderPipeline.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2019 Julien Bernard
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */
#ifndef GF_RENDER_PIPELINE_H
#define GF_RENDER_PIPELINE_H

#include <vector>

#include "Effects.h"
#include "Portability.h"
#include "RenderTarget.h"
#include "Ref.h"

namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif

  class Effect;
  class Window;

  class GF_API RenderPipeline : public RenderTarget {
  public:
    RenderPipeline(Window& window);

    void addEffect(Effect& effect);

    void clearEffects();

    void resized();

    virtual Vector2i getSize() const override;

    void display();

  protected:
    virtual void onFramebufferResize(Vector2i size);

  private:
    Window& m_window;

    struct TextureBuffer {
      Texture texture;
      GraphicsHandle<GraphicsTag::Framebuffer> framebuffer;
    };

    TextureBuffer m_buffers[2];
    int m_current;

    DefaultEffect m_defaultEffect;
    std::vector<Ref<Effect>> m_effects;
  };

#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}

#endif // GF_RENDER_PIPELINE_H