FBO.h

#pragma once
#include <GL/glew.h>
#include <vector>
class FBO {
public:
    FBO(bool useTextureColor, bool useTextureDepth, bool multiSample, unsigned int width, unsigned int height, bool addSecondColorBuffer = false);
    
    FBO(unsigned int nrColorTexture, bool useDepthTexture, bool useMultisampling, unsigned int width, unsigned int height);
    ~FBO();

    static void copyFBO(const FBO& from, const FBO& to, unsigned int bufferMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    static void copyFBO(const FBO& from, unsigned int to, unsigned int bufferMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    static void copyFBO(unsigned int from, const FBO& to, unsigned int bufferMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    const unsigned int getColorTexture(unsigned int i) const { return colorTextures.at(i); }
    const unsigned int getColorTexture() const { return colorTextures.at(0); }
    const unsigned int getSecondaryColorTexture() const { return colorTextures.at(1); }
    const unsigned int getDepthTexture() const { return depthTexture; }
    const bool isMultiSample() const { return multiSample; };

    void setActive();
    
    static unsigned int MULTI_SAMPLE_COUNT;
private:
    unsigned int fbo;
    unsigned int width;
    unsigned int height;
    unsigned int colorTexture; //not needed
    unsigned int colorTexture2; //not needed
    unsigned int depthTexture;



    bool useTextureDepth;
    bool useTextureColor;
    std::vector<unsigned int> colorTextures;
    std::vector<unsigned int> multiSampleTextures;
    bool hasSecondaryColorBuffer;
    bool multiSample;

    void createFrameBuffers(unsigned int nrColorTexture, bool useDepthTexture, bool useMultisampling, unsigned int width, unsigned int height);

    
};