RenderBase.h

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#ifndef RENDERBASE_H
#define RENDERBASE_H

#include <QOpenGLShaderProgram>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QOpenGLFunctions>
#include <QGLWidget>
#include "Geometry.h"
#include "RenderEnums.h"
#include "ShaderManager.h"

struct RenderObject{
    Geometry* geometry;                             
    QOpenGLVertexArrayObject* vao;                  
    QOpenGLBuffer* positionBuffer;                  
    QOpenGLBuffer* normalBuffer;                    
    QVector<QOpenGLBuffer*> vertexColorBuffers;     
    QOpenGLBuffer* indexBuffer;                     
};

class RenderBase :
    public QGLWidget,
    protected QOpenGLFunctions
{
    Q_OBJECT

public:
    RenderBase(ShaderManager* shaderManager, QList<Geometry*>* geometries, QWidget* parent = 0);
    virtual ~RenderBase(void);

    //to set new geometry at runtime (not working)
    //void setGeometries(QList<Geometry*>* geometries);
    

protected:
    bool renderingEnabled;              
    QList<RenderObject> renderList;     
    QList<Geometry*>* geometries;       
    ShaderManager* shaderManager;       
    void initRenderList();              
    void destroyRenderList();           
    virtual void initializeGL(){}
    virtual void paintGL(){}
    virtual void resizeGL(){}

public slots:
    void setRenderingEnabled(bool enable){renderingEnabled = enable;}
};

#endif //RENDERBASE_H