Eigene Dateien/FlowVis/src/VFramebufferObject.h

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#pragma once

#ifndef __v_framebuffer_object_h
#define __v_framebuffer_object_h

#include <iostream>

#include "VProgram.h"
class VFramebufferObject
{
public:

        static void checkFramebufferObjectStatus();
        
        static bool devIlInitialised;           
        static VProgram * getRenderToScreenProgram();

        static bool initialiseDevIl();

        VFramebufferObject(int width, int height, unsigned int texturetype);

        ~VFramebufferObject()
        {
                destroy();
        }

        void init();

        void destroy();

        void bind();


        void bindWithoutClear();

        void unbind();

        unsigned int getFboHandle()
        {
                return m_FboHandle;
        }

        unsigned int getTextureHandle()
        {
                return m_TextureHandle;
        }

        void saveImage(std::string filename);

        void renderToFullScreen();

        void renderToLowerRightQuad();

        void renderToLowerLeftQuad();

        int getHeight()
        {
                return m_Height;
        }

        int getWidth()
        {
                return m_Width;
        }

private:

        const int getNextPowerOfTwo(const int number)
        {
                int iPowerOfTwo = 1;

                while (iPowerOfTwo < number)
                        iPowerOfTwo = iPowerOfTwo * 2;

                return iPowerOfTwo;
        };

        unsigned int m_FboHandle;               
        unsigned int m_TextureHandle;   
        unsigned int m_RenderBufferHandle;      
        int m_Width;                                            
        int m_Height;                                           
        unsigned int m_TextureType;

        static VProgram m_RenderToScreen;                       
        static bool m_ProgramLoaded;                            
};

#endif //__v_framebuffer_object_h

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