mirror of
https://github.com/glfw/glfw.git
synced 2024-12-02 06:47:10 +00:00
c812b9d87c
This is a step towards being able to compile GLFW manually without needing to duplicate a lot of platform- or OS-specific logic.
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
//========================================================================
|
|
// GLFW 3.4 macOS - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2009-2016 Camilla Löwy <elmindreda@glfw.org>
|
|
//
|
|
// 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.
|
|
//
|
|
//========================================================================
|
|
// It is fine to use C99 in this file because it will not be built with VS
|
|
//========================================================================
|
|
|
|
#include "internal.h"
|
|
|
|
#if defined(GLFW_BUILD_COCOA_TIMER)
|
|
|
|
#include <mach/mach_time.h>
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW platform API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void _glfwPlatformInitTimer(void)
|
|
{
|
|
mach_timebase_info_data_t info;
|
|
mach_timebase_info(&info);
|
|
|
|
_glfw.timer.ns.frequency = (info.denom * 1e9) / info.numer;
|
|
}
|
|
|
|
uint64_t _glfwPlatformGetTimerValue(void)
|
|
{
|
|
return mach_absolute_time();
|
|
}
|
|
|
|
uint64_t _glfwPlatformGetTimerFrequency(void)
|
|
{
|
|
return _glfw.timer.ns.frequency;
|
|
}
|
|
|
|
#endif // GLFW_BUILD_COCOA_TIMER
|
|
|