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#ifndef PVREGLSCREEN_H
#define PVREGLSCREEN_H

#include <QScreen>
#include <QGLScreen>
#include "pvrqwsdrawable.h"

class PvrEglScreenSurfaceFunctions : public QGLScreenSurfaceFunctions
{
public:
    PvrEglScreenSurfaceFunctions(QScreen *s, int screenNum)
        : screen(s), displayId(screenNum) {}

    bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native);

private:
    QScreen *screen;
    int displayId;
};

class PvrEglSurfaceHolder : public QObject
{
    Q_OBJECT
public:
    PvrEglSurfaceHolder(QObject *parent=0);
    ~PvrEglSurfaceHolder();

    void addSurface();
    void removeSurface();

private:
    int numRealSurfaces;
    PvrQwsDrawable *tempSurface;
    EGLDisplay dpy;
    EGLConfig config;
    EGLSurface surface;
};

class PvrEglScreen : public QGLScreen
{
public:
    PvrEglScreen(int displayId);
    ~PvrEglScreen();

    bool initDevice();
    bool connect(const QString &displaySpec);
    void disconnect();
    void shutdownDevice();
    void setMode(int, int, int) {}

    void blit(const QImage &img, const QPoint &topLeft, const QRegion &region);
    void solidFill(const QColor &color, const QRegion &region);

    bool chooseContext(QGLContext *context, const QGLContext *shareContext);
    bool hasOpenGL();

    QWSWindowSurface* createSurface(QWidget *widget) const;
    QWSWindowSurface* createSurface(const QString &key) const;

private:
    void sync();
    void openTty();
    void closeTty();

    int fd;
    int ttyfd, oldKdMode;
    PvrEglSurfaceHolder *holder;
    QString ttyDevice;
    bool doGraphicsMode;
};

#endif