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Diffstat (limited to 'glfw-3.2.1/src/cocoa_time.c')
| -rw-r--r-- | glfw-3.2.1/src/cocoa_time.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/glfw-3.2.1/src/cocoa_time.c b/glfw-3.2.1/src/cocoa_time.c new file mode 100644 index 0000000..dacfed0 --- /dev/null +++ b/glfw-3.2.1/src/cocoa_time.c @@ -0,0 +1,60 @@ +//======================================================================== +// GLFW 3.2 OS X - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2009-2016 Camilla Berglund <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. +// +//======================================================================== + +#include "internal.h" + +#include <mach/mach_time.h> + + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +// Initialise timer +// +void _glfwInitTimerNS(void) +{ + mach_timebase_info_data_t info; + mach_timebase_info(&info); + + _glfw.ns_time.frequency = (info.denom * 1e9) / info.numer; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +uint64_t _glfwPlatformGetTimerValue(void) +{ + return mach_absolute_time(); +} + +uint64_t _glfwPlatformGetTimerFrequency(void) +{ + return _glfw.ns_time.frequency; +} + |