Framebuffer.h

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#ifndef B_FRAMEBUFFER_H
#define B_FRAMEBUFFER_H

#include <memory>
#include "Renderer_GL.h"
#include "CubeMap.h"
#include "DepthMap.h"

class Framebuffer
{
public:

    /* Functions */

    Framebuffer();

    Framebuffer(GLint width, GLint height);

    virtual ~Framebuffer() { deleteFramebuffer(); }

    virtual void bind(bool preserveCurrentFramebuffer);

    virtual void bindTexture(TexturePtr texture, bool preserveCurrentFramebuffer);

    virtual void bindCubeMap(CubeMapPtr cubeMap, GLuint cubeFace, bool preserveCurrentFramebuffer);

    virtual void bindDepthMap(DepthMapPtr depthMap, bool preserveCurrentFramebuffer);

    virtual void unbind();

    virtual void unbind(GLint fbo);

    virtual void resize(GLint width, GLint height, bool autoResize);
    
    GLuint getFramebufferID()       { return _fbo; }
    
    GLuint getDebthbufferID()       { return _rbo_depth; }
    
    GLint getWidth()                { return _width; }
    
    GLint getHeight()               { return _height; }

    static GLint getCurrentFramebuffer();

    virtual void deleteFramebuffer();

private:

    /* Functions */

    virtual void create();
    virtual void bindBuffer(bool preserveCurrentFramebuffer);

    /* Variables */
    GLint _width, _height, _oldFbo = 0;
    GLuint _fbo = 0, _rbo_depth = 0;
    bool _preserveCurrentFramebuffer, _autoResize;

};

typedef std::shared_ptr<Framebuffer> FramebufferPtr;

#endif /* defined(B_FRAMEBUFFER_H) */