framebuffer.h

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/*
 * Copyright (c) 2010-2020 OTClient <https://github.com/edubart/otclient>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 */
 
#ifndef FRAMEBUFFER_H
#define FRAMEBUFFER_H
 
#include "declarations.h"
#include "texture.h"
 
class FrameBuffer : public stdext::shared_object
{
protected:
    FrameBuffer();
 
    friend class FrameBufferManager;
 
public:
    virtual ~FrameBuffer();
 
    void resize(const Size& size);
    void bind();
    void release();
    void draw();
    void draw(const Rect& dest);
    void draw(const Rect& dest, const Rect& src);
 
    void setBackuping(bool enabled) { m_backuping = enabled; }
    void setSmooth(bool enabled) { m_smooth = enabled; }
 
    TexturePtr getTexture() { return m_texture; }
    Size getSize();
    bool isBackuping() { return m_backuping; }
    bool isSmooth() { return m_smooth; }
 
private:
    void internalCreate();
    void internalBind();
    void internalRelease();
 
    TexturePtr m_texture;
    TexturePtr m_screenBackup;
    Size m_oldViewportSize;
    uint m_fbo;
    uint m_prevBoundFbo;
    stdext::boolean<true> m_backuping;
    stdext::boolean<true> m_smooth;
 
    static uint boundFbo;
};
 
#endif