zorldo

Goofing around with Ebiten
git clone git://bsandro.tech/zorldo
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cocoa_time.c (2213B)


      1 //========================================================================
      2 // GLFW 3.3 macOS - www.glfw.org
      3 //------------------------------------------------------------------------
      4 // Copyright (c) 2009-2016 Camilla Löwy <elmindreda@glfw.org>
      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 // It is fine to use C99 in this file because it will not be built with VS
     27 //========================================================================
     28 
     29 #include "internal.h"
     30 
     31 #include <mach/mach_time.h>
     32 
     33 
     34 //////////////////////////////////////////////////////////////////////////
     35 //////                       GLFW internal API                      //////
     36 //////////////////////////////////////////////////////////////////////////
     37 
     38 // Initialise timer
     39 //
     40 void _glfwInitTimerNS(void)
     41 {
     42     mach_timebase_info_data_t info;
     43     mach_timebase_info(&info);
     44 
     45     _glfw.timer.ns.frequency = (info.denom * 1e9) / info.numer;
     46 }
     47 
     48 
     49 //////////////////////////////////////////////////////////////////////////
     50 //////                       GLFW platform API                      //////
     51 //////////////////////////////////////////////////////////////////////////
     52 
     53 uint64_t _glfwPlatformGetTimerValue(void)
     54 {
     55     return mach_absolute_time();
     56 }
     57 
     58 uint64_t _glfwPlatformGetTimerFrequency(void)
     59 {
     60     return _glfw.timer.ns.frequency;
     61 }
     62