add glfw library

1 files changed, 62 insertions, 0 deletions

diff --git a/libs/glfw-3.3.8/src/cocoa_time.c b/libs/glfw-3.3.8/src/cocoa_time.c
new file mode 100644
index 0000000..d390cdc
--- /dev/null
+++ b/libs/glfw-3.3.8/src/cocoa_time.c
@@ -0,0 +1,62 @@
+//========================================================================
+// GLFW 3.3 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"
+
+#include <mach/mach_time.h>
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW internal API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+// Initialise timer
+//
+void _glfwInitTimerNS(void)
+{
+    mach_timebase_info_data_t info;
+    mach_timebase_info(&info);
+
+    _glfw.timer.ns.frequency = (info.denom * 1e9) / info.numer;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+uint64_t _glfwPlatformGetTimerValue(void)
+{
+    return mach_absolute_time();
+}
+
+uint64_t _glfwPlatformGetTimerFrequency(void)
+{
+    return _glfw.timer.ns.frequency;
+}
+