/************************************************************************** * * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ /** * @file * OS independent time-manipulation functions. * * @author Jose Fonseca */ #include "pipe/p_config.h" #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) #include #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) #include #include #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) #include extern VOID KeQuerySystemTime(PLARGE_INTEGER); #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) #include #else #error Unsupported OS #endif #include "util/u_time.h" #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) static int64_t frequency = 0; static INLINE void util_time_get_frequency(void) { if(!frequency) { #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) LONGLONG temp; EngQueryPerformanceFrequency(&temp); frequency = temp; #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) LARGE_INTEGER temp; QueryPerformanceFrequency(&temp); frequency = temp.QuadPart; #endif } } #endif void util_time_get(struct util_time *t) { #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) gettimeofday(&t->tv, NULL); #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) LONGLONG temp; EngQueryPerformanceCounter(&temp); t->counter = temp; #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) /* Updated every 10 miliseconds, measured in units of 100 nanoseconds. * http://msdn.microsoft.com/en-us/library/ms801642.aspx */ LARGE_INTEGER temp; KeQuerySystemTime(&temp); t->counter = temp.QuadPart; #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) LARGE_INTEGER temp; QueryPerformanceCounter(&temp); t->counter = temp.QuadPart; #endif } void util_time_add(const struct util_time *t1, int64_t usecs, struct util_time *t2) { #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) t2->tv.tv_sec = t1->tv.tv_sec + usecs / 1000000; t2->tv.tv_usec = t1->tv.tv_usec + usecs % 1000000; #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) util_time_get_frequency(); t2->counter = t1->counter + (usecs * frequency + INT64_C(999999))/INT64_C(1000000); #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) /* 1 tick = 100 nano seconds. */ t2->counter = t1->counter + usecs * 10; #else LARGE_INTEGER temp; LONGLONG freq; freq = temp.QuadPart; t2->counter = t1->counter + (usecs * freq)/1000000L; #endif } int64_t util_time_diff(const struct util_time *t1, const struct util_time *t2) { #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) return (t2->tv.tv_usec - t1->tv.tv_usec) + (t2->tv.tv_sec - t1->tv.tv_sec)*1000000; #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) util_time_get_frequency(); return (t2->counter - t1->counter)*INT64_C(1000000)/frequency; #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) return (t2->counter - t1->counter)/10; #endif } uint64_t util_time_micros( void ) { struct util_time t1; util_time_get(&t1); #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) return t1.tv.tv_usec + t1.tv.tv_sec*1000000LL; #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) util_time_get_frequency(); return t1.counter*INT64_C(1000000)/frequency; #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) return t1.counter/10; #endif } /** * Compare two time values. * * Not publicly available because it does not take in account wrap-arounds. * Use util_time_timeout instead. */ static INLINE int util_time_compare(const struct util_time *t1, const struct util_time *t2) { #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) if (t1->tv.tv_sec < t2->tv.tv_sec) return -1; else if(t1->tv.tv_sec > t2->tv.tv_sec) return 1; else if (t1->tv.tv_usec < t2->tv.tv_usec) return -1; else if(t1->tv.tv_usec > t2->tv.tv_usec) return 1; else return 0; #elif defined(PIPE_OS_WINDOWS) if (t1->counter < t2->counter) return -1; else if(t1->counter > t2->counter) return 1; else return 0; #endif } boolean util_time_timeout(const struct util_time *start, const struct util_time *end, const struct util_time *curr) { if(util_time_compare(start, end) <= 0) return !(util_time_compare(start, curr) <= 0 && util_time_compare(curr, end) < 0); else return !(util_time_compare(start, curr) <= 0 || util_time_compare(curr, end) < 0); } #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) void util_time_sleep(unsigned usecs) { LONGLONG start, curr, end; EngQueryPerformanceCounter(&start); if(!frequency) EngQueryPerformanceFrequency(&frequency); end = start + (usecs * frequency + 999999LL)/1000000LL; do { EngQueryPerformanceCounter(&curr); } while(start <= curr && curr < end || end < start && (curr < end || start <= curr)); } #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) void util_time_sleep(unsigned usecs) { Sleep((usecs + 999)/ 1000); } #endif