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68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
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/*
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===========================================================================
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Copyright (C) 2000 - 2013, Raven Software, Inc.
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Copyright (C) 2001 - 2013, Activision, Inc.
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Copyright (C) 2013 - 2015, OpenJK contributors
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This file is part of the OpenJK source code.
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OpenJK is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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===========================================================================
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*/
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#if defined(_WIN32) && defined(__GNUC__)
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#include <x86intrin.h> /* for __rdtsc() */
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#endif
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class timing_c
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{
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private:
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uint64_t start;
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uint64_t end;
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int reset;
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public:
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timing_c(void)
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{
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}
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void Start()
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{
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#ifdef _WIN32
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start = __rdtsc();
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#else
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start = 0;
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#endif
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}
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int End()
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{
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int time;
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#ifdef _WIN32
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end = __rdtsc();
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#else
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end = 0;
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#endif
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time = end - start;
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if (time < 0)
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{
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time = 0;
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}
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return((int)time);
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}
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};
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// end
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