ScrapExplorer - win32_time.c
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[FILE BEGIN]
1//========================================================================
2// GLFW 3.5 Win32 - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2002-2006 Marcus Geelnard
5// Copyright (c) 2006-2017 Camilla Löwy <[email protected]>
6//
7// This software is provided 'as-is', without any express or implied
8// warranty. In no event will the authors be held liable for any damages
9// arising from the use of this software.
10//
11// Permission is granted to anyone to use this software for any purpose,
12// including commercial applications, and to alter it and redistribute it
13// freely, subject to the following restrictions:
14//
15// 1. The origin of this software must not be misrepresented; you must not
16//    claim that you wrote the original software. If you use this software
17//    in a product, an acknowledgment in the product documentation would
18//    be appreciated but is not required.
19//
20// 2. Altered source versions must be plainly marked as such, and must not
21//    be misrepresented as being the original software.
22//
23// 3. This notice may not be removed or altered from any source
24//    distribution.
25//
26//========================================================================
27
28#include "internal.h"
29
30#if defined(GLFW_BUILD_WIN32_TIMER)
31
32//////////////////////////////////////////////////////////////////////////
33//////                       GLFW platform API                      //////
34//////////////////////////////////////////////////////////////////////////
35
36void _glfwPlatformInitTimer(void)
37{
38    QueryPerformanceFrequency((LARGE_INTEGER*) &_glfw.timer.win32.frequency);
39}
40
41uint64_t _glfwPlatformGetTimerValue(void)
42{
43    uint64_t value;
44    QueryPerformanceCounter((LARGE_INTEGER*) &value);
45    return value;
46}
47
48uint64_t _glfwPlatformGetTimerFrequency(void)
49{
50    return _glfw.timer.win32.frequency;
51}
52
53#endif // GLFW_BUILD_WIN32_TIMER
54
55
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