| //======================================================================== |
| // GLFW 3.2 Win32 - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2002-2006 Marcus Geelnard |
| // Copyright (c) 2006-2016 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" |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW internal API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| // Initialise timer |
| // |
| void _glfwInitTimerWin32(void) |
| { |
| uint64_t frequency; |
| |
| if (QueryPerformanceFrequency((LARGE_INTEGER*) &frequency)) |
| { |
| _glfw.win32_time.hasPC = GLFW_TRUE; |
| _glfw.win32_time.frequency = frequency; |
| } |
| else |
| { |
| _glfw.win32_time.hasPC = GLFW_FALSE; |
| _glfw.win32_time.frequency = 1000; |
| } |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW platform API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| uint64_t _glfwPlatformGetTimerValue(void) |
| { |
| if (_glfw.win32_time.hasPC) |
| { |
| uint64_t value; |
| QueryPerformanceCounter((LARGE_INTEGER*) &value); |
| return value; |
| } |
| else |
| return (uint64_t) _glfw_timeGetTime(); |
| } |
| |
| uint64_t _glfwPlatformGetTimerFrequency(void) |
| { |
| return _glfw.win32_time.frequency; |
| } |
| |