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Use platform prefix for files specific to that platform AND that have no credible alternative API on that platform. The exception is WinMM, which will be replaced before 3.2.
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
//========================================================================
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// GLFW 3.2 OS X - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <mach/mach_time.h>
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// Return raw time
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//
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static uint64_t getRawTime(void)
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{
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return mach_absolute_time();
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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// Initialise timer
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//
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void _glfwInitTimerNS(void)
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{
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mach_timebase_info_data_t info;
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mach_timebase_info(&info);
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_glfw.ns_time.resolution = (double) info.numer / (info.denom * 1.0e9);
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_glfw.ns_time.base = getRawTime();
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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double _glfwPlatformGetTime(void)
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{
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return (double) (getRawTime() - _glfw.ns_time.base) *
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_glfw.ns_time.resolution;
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}
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void _glfwPlatformSetTime(double time)
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{
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_glfw.ns_time.base = getRawTime() -
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(uint64_t) (time / _glfw.ns_time.resolution);
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}
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