From 4f45899a3c28440724ffcaa3a604ad48f18a25c8 Mon Sep 17 00:00:00 2001 From: Lorenzo Torres Date: Wed, 12 Mar 2025 19:56:19 +0100 Subject: base code --- ext/glfw/src/posix_time.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 ext/glfw/src/posix_time.c (limited to 'ext/glfw/src/posix_time.c') diff --git a/ext/glfw/src/posix_time.c b/ext/glfw/src/posix_time.c new file mode 100644 index 0000000..4d7bd7c --- /dev/null +++ b/ext/glfw/src/posix_time.c @@ -0,0 +1,65 @@ +//======================================================================== +// GLFW 3.5 POSIX - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2002-2006 Marcus Geelnard +// Copyright (c) 2006-2017 Camilla Löwy +// +// 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" + +#if defined(GLFW_BUILD_POSIX_TIMER) + +#include +#include + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +void _glfwPlatformInitTimer(void) +{ + _glfw.timer.posix.clock = CLOCK_REALTIME; + _glfw.timer.posix.frequency = 1000000000; + +#if defined(_POSIX_MONOTONIC_CLOCK) + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) + _glfw.timer.posix.clock = CLOCK_MONOTONIC; +#endif +} + +uint64_t _glfwPlatformGetTimerValue(void) +{ + struct timespec ts; + clock_gettime(_glfw.timer.posix.clock, &ts); + return (uint64_t) ts.tv_sec * _glfw.timer.posix.frequency + (uint64_t) ts.tv_nsec; +} + +uint64_t _glfwPlatformGetTimerFrequency(void) +{ + return _glfw.timer.posix.frequency; +} + +#endif // GLFW_BUILD_POSIX_TIMER + -- cgit v1.2.3