Revert timers implementation for Windows

src/OpenCL/OpenCL1/commandqueue.cpp

@@ -528,68 +528,6 @@ void Event::setDeviceData(void *data)
 	p_device_data = data;
 }
 
-LARGE_INTEGER
-getFILETIMEoffset()
-{
-	SYSTEMTIME s;
-	FILETIME f;
-	LARGE_INTEGER t;
-
-	s.wYear = 1970;
-	s.wMonth = 1;
-	s.wDay = 1;
-	s.wHour = 0;
-	s.wMinute = 0;
-	s.wSecond = 0;
-	s.wMilliseconds = 0;
-	SystemTimeToFileTime(&s, &f);
-	t.QuadPart = f.dwHighDateTime;
-	t.QuadPart <<= 32;
-	t.QuadPart |= f.dwLowDateTime;
-	return (t);
-}
-
-int
-clock_gettime(int X, timeval *tv)
-{
-	LARGE_INTEGER           t;
-	FILETIME            f;
-	double                  microseconds;
-	static LARGE_INTEGER    offset;
-	static double           frequencyToMicroseconds;
-	static int              initialized = 0;
-	static BOOL             usePerformanceCounter = 0;
-
-	if(!initialized) {
-		LARGE_INTEGER performanceFrequency;
-		initialized = 1;
-		usePerformanceCounter = QueryPerformanceFrequency(&performanceFrequency);
-		if(usePerformanceCounter) {
-			QueryPerformanceCounter(&offset);
-			frequencyToMicroseconds = (double)performanceFrequency.QuadPart / 1000000.;
-		}
-		else {
-			offset = getFILETIMEoffset();
-			frequencyToMicroseconds = 10.;
-		}
-	}
-	if(usePerformanceCounter) QueryPerformanceCounter(&t);
-	else {
-		GetSystemTimeAsFileTime(&f);
-		t.QuadPart = f.dwHighDateTime;
-		t.QuadPart <<= 32;
-		t.QuadPart |= f.dwLowDateTime;
-	}
-
-	t.QuadPart -= offset.QuadPart;
-	microseconds = (double)t.QuadPart / frequencyToMicroseconds;
-	t.QuadPart = microseconds;
-	
-	tv->tv_sec = t.QuadPart / 1000000;
-	tv->tv_usec = t.QuadPart % 1000000;
-	return (0);
-}
-
 void Event::updateTiming(Timing timing)
 {
 	if(timing >= Max)
@@ -604,18 +542,14 @@ void Event::updateTiming(Timing timing)
 		return;
 	}
 
-	struct timeval tp;
-	//struct timespec tp;
+	struct timespec tp;
 	cl_ulong rs;
 
-	//TODO
-	if(clock_gettime(0, &tp) != 0)
-		clock_gettime(0, &tp);
+	if(clock_gettime(CLOCK_MONOTONIC, &tp) != 0)
+		clock_gettime(CLOCK_REALTIME, &tp);
 
-	rs = tp.tv_usec;// *1000;
+	rs = tp.tv_nsec;
 	rs += tp.tv_sec * 1000000;
-	/*rs = tp.tv_nsec;
-	rs += tp.tv_sec * 1000000;*/
 
 	p_timing[timing] = rs;