1 //========================================================================
2 // GLFW 3.4 macOS - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2009-2016 Camilla Löwy <elmindreda@glfw.org>
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.
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:
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.
19 // 2. Altered source versions must be plainly marked as such, and must not
20 // be misrepresented as being the original software.
22 // 3. This notice may not be removed or altered from any source
25 //========================================================================
26 // It is fine to use C99 in this file because it will not be built with VS
27 //========================================================================
31 #include <mach/mach_time.h>
34 //////////////////////////////////////////////////////////////////////////
35 ////// GLFW internal API //////
36 //////////////////////////////////////////////////////////////////////////
40 void _glfwInitTimerNS(void)
42 mach_timebase_info_data_t info;
43 mach_timebase_info(&info);
45 _glfw.timer.ns.frequency = (info.denom * 1e9) / info.numer;
49 //////////////////////////////////////////////////////////////////////////
50 ////// GLFW platform API //////
51 //////////////////////////////////////////////////////////////////////////
53 uint64_t _glfwPlatformGetTimerValue(void)
55 return mach_absolute_time();
58 uint64_t _glfwPlatformGetTimerFrequency(void)
60 return _glfw.timer.ns.frequency;