volumeeffect.h

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#ifndef VolumeSHADERPROGRAM_H
#define VolumeSHADERPROGRAM_H

#include "qquickeffect.h"

#include <QFile>
#include <QDebug>

QT_BEGIN_NAMESPACE

class VolumeShaderProgramPrivate;
class QGLSceneNode;
class HartreeFock;

class Texture3D {
public:
    Texture3D() :
        width(0),
        height(0),
        depth(0),
        data(0)
    {}

    int width;
    int height;
    int depth;
    GLuint* data;
};

class VolumeShaderProgram : public QQuickEffect
{
    Q_OBJECT
    Q_PROPERTY(QString vertexShader READ vertexShader WRITE setVertexShader NOTIFY shaderChanged)
    Q_PROPERTY(QString fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY shaderChanged)
    //    Q_PROPERTY(QUrl texture3D READ texture3D WRITE setTexture3D NOTIFY texture3DChanged)
    Q_PROPERTY(QUrl vertexShaderSource READ vertexShaderSource WRITE setVertexShaderSource NOTIFY vertexShaderSourceChanged)
    Q_PROPERTY(QUrl fragmentShaderSource READ fragmentShaderSource WRITE setFragmentShaderSource NOTIFY fragmentShaderSourceChanged)
    Q_PROPERTY(HartreeFock* positionReader READ positionReader WRITE setPositionReader NOTIFY positionReaderChanged)

public:
    VolumeShaderProgram(QObject *parent = 0);
    virtual ~VolumeShaderProgram();

    QString vertexShader() const;
    void setVertexShader(const QString& value);

    QString fragmentShader() const;
    void setFragmentShader(const QString& value);

    virtual void enableEffect(QGLPainter *painter);
    virtual void applyTo(QGLSceneNode *node);
    //    QUrl texture3D() const;

    QUrl vertexShaderSource() const;

    QUrl fragmentShaderSource() const;
    const Texture3D& texture3Ddata() const;
    HartreeFock* positionReader() const
    {
        return m_positionReader;
    }

public Q_SLOTS:
    void markAllPropertiesDirty();
    void markPropertyDirty(int property);
    //    void setTexture3D(QUrl arg);

    void setVertexShaderSource(QUrl arg);

    void setFragmentShaderSource(QUrl arg);

    void setPositionReader(HartreeFock* arg);
    void forceUpdate();

Q_SIGNALS:
    void finishedLoading();
    void shaderChanged();
    //    void texture3DChanged(QUrl arg);

    void vertexShaderSourceChanged(QUrl arg);

    void fragmentShaderSourceChanged(QUrl arg);

    void positionReaderChanged(HartreeFock* arg);

private:

    bool loadTexture3D();
    VolumeShaderProgramPrivate *d;
    //    QUrl m_texture3D;
    //    int m_texture3DuniformValue;
    QUrl m_vertexShaderSource;
    QUrl m_fragmentShaderSource;
    int m_eyeLocation;
    Texture3D m_texture3Ddata;
    HartreeFock* m_positionReader;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(VolumeShaderProgram)

#endif