blender/intern/cycles/util/util_time.cpp

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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include "util_time.h"
#ifdef _WIN32
#include <windows.h>
CCL_NAMESPACE_BEGIN
double time_dt()
{
__int64 frequency, counter;
QueryPerformanceFrequency((LARGE_INTEGER*)&frequency);
QueryPerformanceCounter((LARGE_INTEGER*)&counter);
return (double)counter/(double)frequency;
}
void time_sleep(double t)
{
Sleep((int)(t*1000));
}
CCL_NAMESPACE_END
#else
#include <sys/time.h>
#include <unistd.h>
CCL_NAMESPACE_BEGIN
double time_dt()
{
struct timeval now;
gettimeofday(&now, NULL);
return now.tv_sec + now.tv_usec*1e-6;
}
void time_sleep(double t)
{
if(t >= 1.0)
sleep((int)t);
usleep((int)(t*1e6));
}
CCL_NAMESPACE_END
#endif