blob: 22eb1200f39535b8aecf75c3e6fc057212394eaf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// -----------------------------------------------------------------------------
// This file is part of Broken Sword 2.5
// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsd�rfer
//
// Broken Sword 2.5 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.
//
// Broken Sword 2.5 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 Broken Sword 2.5; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// -----------------------------------------------------------------------------
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "timer.h"
#define BS_LOG_PREFIX "BS_TIMER"
uint64_t BS_Timer::GetMicroTicks()
{
HANDLE ThreadID = ::GetCurrentThread();
DWORD_PTR OldAffinityMask = ::SetThreadAffinityMask(ThreadID, 1);
uint64_t Frequency;
::QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(&Frequency));
uint64_t Tick;
::QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&Tick));
::SetThreadAffinityMask(ThreadID, OldAffinityMask);
return Tick * 1000000 / Frequency;
}
unsigned int BS_Timer::GetMilliTicks()
{
return (unsigned int)(GetMicroTicks() / 1000);
}
bool BS_Timer::IsTimerAvaliable()
{
LARGE_INTEGER Dummy;
return ::QueryPerformanceFrequency(&Dummy) ? true : false;
}
|
