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#ifndef SWAPHOOK_H
#define SWAPHOOK_H
// Used to store time in milliseconds.
typedef unsigned long long timestamp;
#ifdef __arm__
#define EGL
#include <EGL/egl.h>
# ifdef M_OS_MAEMO5
# define EGLAPI
# define EGLAPIENTRY
# endif //M_OS_MAEMO5
#endif //__arm__
#include <QObject>
#include <QLinkedList>
class SwapHookPrivate;
/**
* Swap hooks saves the timestamps when eglSwapBuffers is beein called
* or as fallback monitors paint events.
*
*/
class SwapHook : public QObject
{
Q_OBJECT
#ifdef EGL
friend EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
#endif //EGL
private:
SwapHook();
~SwapHook();
public:
/**
* Return the saved timestamps.
*/
QLinkedList<timestamp> timestamps();
/**
* Returns the global SwapHook instance.
*/
static SwapHook* instance();
public slots:
/**
* Starts to monitor buffer switches.
*/
void startLurking();
/**
* Stops to monitor buffer switches.
*/
void stopLurking();
private:
QScopedPointer<SwapHookPrivate> d;
};
#endif // __SWAPHOOK_H__
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