simpletexturedrenderer.h

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#ifndef SIMPLETEXTUREDRENDERER_H
#define SIMPLETEXTUREDRENDERER_H

#include <QSharedPointer>
#include <QMatrix4x4>
#include <QMap>

#include <QOpenGLBuffer>
#include <QOpenGLVertexArrayObject>

#include "abstractrenderer.h"

#include "simpletexturedshader.h"
#include "simpletexturedscene.h"
#include "simpletexturedobject.h"


class SimpleTexturedRenderer : public AbstractRenderer
{
    Q_OBJECT

public:
    SimpleTexturedRenderer(SharedSimpleTexturedScene scene);

    virtual ~SimpleTexturedRenderer();

    void paint(QMatrix4x4 mvpMatrix, QVector3D camPos) override;

    void create() override;

public slots:
    void objectAdded(const SimpleTexturedObject &obj);


    void objectRemoved(const SimpleTexturedObject &obj);


    void clearAll();


    void cleanUp() override;


protected:

    void initializeRenderer() override;


private:

    void createSceneBuffers();


    void createObjectBuffers(const SimpleTexturedObject &obj);

    void clearAllTextures();



    SharedSimpleTexturedScene mScene;

    SimpleTexturedShader mShaderProgram;


    QMutex mGLDataMutex;


    // VAO and buffers for each object.
    // TODO These should be adapted to a textured shader.
    QMap<const SimpleTexturedObject *, QSharedPointer<QOpenGLVertexArrayObject>> mVAOs;
    QMap<const SimpleTexturedObject *, int> mNumVertices;

    QMap<const SimpleTexturedObject *, QSharedPointer<QOpenGLBuffer>> mObjectVertexPositions;
    QMap<const SimpleTexturedObject *, QSharedPointer<QOpenGLBuffer>> mObjectVertexNormals;
    QMap<const SimpleTexturedObject *, QSharedPointer<QOpenGLBuffer>> mObjectVertexMaterials;
    QMap<const SimpleTexturedObject *, QSharedPointer<QOpenGLBuffer>> mObjectVertexTexCoords;



    QMap<const QImage *, QSharedPointer<QOpenGLTexture>> mImagesToTextures;


    QMap<const QOpenGLTexture *, QSet<const SimpleTexturedObject *>> mTexturesToObjects;

};

#endif // SIMPLETEXTUREDRENDERER_H