53 lines
1.7 KiB
C++
Executable file
53 lines
1.7 KiB
C++
Executable file
// -----------------------------------------------------------------------------
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// This file is part of Broken Sword 2.5
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// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdörfer
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//
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// Broken Sword 2.5 is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// Broken Sword 2.5 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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//
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// You should have received a copy of the GNU General Public License
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// along with Broken Sword 2.5; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// -----------------------------------------------------------------------------
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "sword25/kernel/timer.h"
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#define BS_LOG_PREFIX "BS_TIMER"
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uint64_t BS_Timer::GetMicroTicks()
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{
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HANDLE ThreadID = ::GetCurrentThread();
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DWORD_PTR OldAffinityMask = ::SetThreadAffinityMask(ThreadID, 1);
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uint64_t Frequency;
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::QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(&Frequency));
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uint64_t Tick;
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::QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&Tick));
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::SetThreadAffinityMask(ThreadID, OldAffinityMask);
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return Tick * 1000000 / Frequency;
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}
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unsigned int BS_Timer::GetMilliTicks()
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{
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return (unsigned int)(GetMicroTicks() / 1000);
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}
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bool BS_Timer::IsTimerAvaliable()
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{
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LARGE_INTEGER Dummy;
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return ::QueryPerformanceFrequency(&Dummy) ? true : false;
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}
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