jkxr/Projects/Android/jni/OpenJK/code/qcommon/timing.h
Simon 4597b03873 Initial Commit
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
2022-09-18 16:37:21 +01:00

67 lines
1.3 KiB
C++

/*
===========================================================================
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
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, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
#if defined(_WIN32) && defined(__GNUC__)
#include <x86intrin.h> /* for __rdtsc() */
#endif
class timing_c
{
private:
uint64_t start;
uint64_t end;
int reset;
public:
timing_c(void)
{
}
void Start()
{
#ifdef _WIN32
start = __rdtsc();
#else
start = 0;
#endif
}
int End()
{
int time;
#ifdef _WIN32
end = __rdtsc();
#else
end = 0;
#endif
time = end - start;
if (time < 0)
{
time = 0;
}
return((int)time);
}
};
// end