/****************************************************************************
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****************************************************************************/

#ifndef MGRAPHICSSYSTEM_H
#define MGRAPHICSSYSTEM_H

#include <private/qgraphicssystem_p.h>
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>

class QMeeGoGraphicsSystem : public QGraphicsSystem
{
public:
    QMeeGoGraphicsSystem();
    ~QMeeGoGraphicsSystem();

    virtual QWindowSurface *createWindowSurface(QWidget *widget) const;
    virtual QPixmapData *createPixmapData(QPixmapData::PixelType) const;
    virtual QPixmapData *createPixmapData(QPixmapData *origin);

    static QPixmapData *wrapPixmapData(QPixmapData *pmd);
    static void setSurfaceFixedSize(int width, int height);
    static void setSurfaceScaling(int x, int y, int width, int height);
    static void setTranslucent(bool translucent);

    static QPixmapData *pixmapDataFromEGLSharedImage(Qt::HANDLE handle, const QImage &softImage);
    static QPixmapData *pixmapDataFromEGLImage(Qt::HANDLE handle);
    static QPixmapData *pixmapDataWithGLTexture(int w, int h);
    static void updateEGLSharedImagePixmap(QPixmap *pixmap);

    static Qt::HANDLE createLiveTexture(int w, int h, QImage::Format format);
    static void destroyLiveTexture(Qt::HANDLE h);
    static bool lockLiveTexture(Qt::HANDLE h);
    static bool unlockLiveTexture(Qt::HANDLE h);
    static void queryLiveTexture(Qt::HANDLE h, void **data, int *pitch);
    static Qt::HANDLE liveTextureToEGLImage(Qt::HANDLE h);

private:
    static bool meeGoRunning();
    static EGLSurface getSurfaceForLiveTexturePixmap(QPixmap *pixmap);
    static void destroySurfaceForLiveTexturePixmap(QPixmapData* pmd);

    static bool surfaceWasCreated;
    static QHash <Qt::HANDLE, QPixmap*> liveTexturePixmaps;
};

/* C api */

extern "C" {
    Q_DECL_EXPORT int qt_meego_image_to_egl_shared_image(const QImage &image);
    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_egl_shared_image(Qt::HANDLE handle, const QImage &softImage);
    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_egl_image(Qt::HANDLE handle);
    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_with_gl_texture(int w, int h);
    Q_DECL_EXPORT void qt_meego_update_egl_shared_image_pixmap(QPixmap *pixmap);
    Q_DECL_EXPORT bool qt_meego_destroy_egl_shared_image(Qt::HANDLE handle);
    Q_DECL_EXPORT void qt_meego_set_surface_fixed_size(int width, int height);
    Q_DECL_EXPORT void qt_meego_set_surface_scaling(int x, int y, int width, int height);
    Q_DECL_EXPORT void qt_meego_set_translucent(bool translucent);
    Q_DECL_EXPORT Qt::HANDLE m_live_texture_create(int w, int h, QImage::Format format);
    Q_DECL_EXPORT void m_live_texture_destroy(Qt::HANDLE h);
    Q_DECL_EXPORT bool m_live_texture_lock(Qt::HANDLE h);
    Q_DECL_EXPORT bool m_live_texture_unlock(Qt::HANDLE h);
    Q_DECL_EXPORT void m_live_texture_query(Qt::HANDLE h, void **data, int *pitch);
    Q_DECL_EXPORT Qt::HANDLE m_live_texture_to_egl_image(Qt::HANDLE h);
}

#endif