blob: 2a9c08428672e14d2a07bcc4258e3cd1fe5feb95 (
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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2008 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/System/Win32/Platform.hpp>
#include <windows.h>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// Get the current system time
////////////////////////////////////////////////////////////
double Platform::GetSystemTime()
{
static LARGE_INTEGER Frequency;
static BOOL UseHighPerformanceTimer = QueryPerformanceFrequency(&Frequency);
if (UseHighPerformanceTimer)
{
// High performance counter available : use it
LARGE_INTEGER CurrentTime;
QueryPerformanceCounter(&CurrentTime);
return static_cast<double>(CurrentTime.QuadPart) / Frequency.QuadPart;
}
else
{
// High performance counter not available : use GetTickCount (less accurate)
return GetTickCount() * 0.001;
}
}
////////////////////////////////////////////////////////////
/// Suspend the execution of the current thread for a specified time
////////////////////////////////////////////////////////////
void Platform::Sleep(float Time)
{
::Sleep(static_cast<DWORD>(Time * 1000));
}
} // namespace priv
} // namespace sf
|
