ScrapExplorer - cocoa_time.c
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[FILE BEGIN]
1//========================================================================
2// GLFW 3.5 macOS - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2009-2016 Camilla Löwy <[email protected]>
5//
6// This software is provided 'as-is', without any express or implied
7// warranty. In no event will the authors be held liable for any damages
8// arising from the use of this software.
9//
10// Permission is granted to anyone to use this software for any purpose,
11// including commercial applications, and to alter it and redistribute it
12// freely, subject to the following restrictions:
13//
14// 1. The origin of this software must not be misrepresented; you must not
15//    claim that you wrote the original software. If you use this software
16//    in a product, an acknowledgment in the product documentation would
17//    be appreciated but is not required.
18//
19// 2. Altered source versions must be plainly marked as such, and must not
20//    be misrepresented as being the original software.
21//
22// 3. This notice may not be removed or altered from any source
23//    distribution.
24//
25//========================================================================
26
27#include "internal.h"
28
29#if defined(GLFW_BUILD_COCOA_TIMER)
30
31#include <mach/mach_time.h>
32
33
34//////////////////////////////////////////////////////////////////////////
35//////                       GLFW platform API                      //////
36//////////////////////////////////////////////////////////////////////////
37
38void _glfwPlatformInitTimer(void)
39{
40    mach_timebase_info_data_t info;
41    mach_timebase_info(&info);
42
43    _glfw.timer.ns.frequency = (info.denom * 1e9) / info.numer;
44}
45
46uint64_t _glfwPlatformGetTimerValue(void)
47{
48    return mach_absolute_time();
49}
50
51uint64_t _glfwPlatformGetTimerFrequency(void)
52{
53    return _glfw.timer.ns.frequency;
54}
55
56#endif // GLFW_BUILD_COCOA_TIMER
57
58
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