1 files changed, 72 insertions, 0 deletions
diff --git a/intern/cycles/util/util_time.cpp b/intern/cycles/util/util_time.cpp
new file mode 100644
index 00000000000..5f543fc7f91
--- /dev/null
+++ b/intern/cycles/util/util_time.cpp
@@ -0,0 +1,72 @@
+/*
+ * 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
+