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-rw-r--r--src/gallium/auxiliary/util/u_time.c225
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diff --git a/src/gallium/auxiliary/util/u_time.c b/src/gallium/auxiliary/util/u_time.c
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--- a/src/gallium/auxiliary/util/u_time.c
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-/**************************************************************************
- *
- * 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 <jrfonseca@tungstengraphics.com>
- */
-
-
-#include "pipe/p_config.h"
-
-#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) || defined(PIPE_OS_APPLE) || defined(PIPE_OS_HAIKU)
-#include <sys/time.h>
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
-#include <windows.h>
-#include <winddi.h>
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
-#include <windows.h>
-extern VOID KeQuerySystemTime(PLARGE_INTEGER);
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
-#include <windows.h>
-#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) || defined(PIPE_OS_HAIKU)
- 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) || defined(PIPE_OS_HAIKU)
- 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) || defined(PIPE_OS_HAIKU)
- 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) || defined(PIPE_OS_HAIKU)
- 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) || defined(PIPE_OS_HAIKU)
- 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