DoFShader.h

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#pragma once

#include <iostream>

#include "RENDER\global.h"
#include "RENDER\GLShader.h"
#include "RENDER\FBO.h"

class DoFShader: public GLShader
{
public:
    DoFShader();
    ~DoFShader();

    void draw(FBO* fbo0, FBO* fbo1, float C, bool f2b);

    void loadDepth(float depthZCoord, float distance);

    void prepare(GLCamera& camera, const GLuint& quadVAO, const GLuint& volTEX);

    void cleanUp();

    void refresh();

private:
    void configShader() override;
    
    GLint depthCoord;

    GLint distance;

    GLint FRONT2BACK_Location;

    GLint circleOfConfLocation;

    GLint volumeTextureLocation;

    GLint previousTextureLocation;

    GLint tfFirstValueLocation[5];
    
    GLint tfSecondValueLocation[5];
    
    GLint tfOptValueLocation[5];
    
    GLint tfColorLocation[5];
    
    GLint numberOfTFLocation;
};