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Added clock_gettime code path for Linux. Disabled for now because it requires additional linking with rt lib.

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Branimir Karadzic
2012-11-06 22:15:03 -08:00
parent c21aac53f2
commit 02c933d084
1 changed files with 67 additions and 63 deletions
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130
include/bx/timer.h
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@@ -1,63 +1,67 @@
/*
* Copyright 2010-2011 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#ifndef __BX_TIMER_H__
#define __BX_TIMER_H__
#include "bx.h"
#if BX_PLATFORM_ANDROID
# include <time.h> // clock, clock_gettime
#elif BX_PLATFORM_NACL | BX_PLATFORM_LINUX
# include <sys/time.h> // gettimeofday
#elif BX_PLATFORM_OSX
# include <mach/mach_time.h> // mach_absolute_time/mach_timebase_info
#elif BX_PLATFORM_WINDOWS
# include <windows.h>
#endif // BX_PLATFORM_
namespace bx
{
inline int64_t getHPCounter()
{
#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
LARGE_INTEGER li;
// Performance counter value may unexpectedly leap forward
// http://support.microsoft.com/kb/274323
QueryPerformanceCounter(&li);
int64_t i64 = li.QuadPart;
#elif BX_PLATFORM_ANDROID || BX_PLATFORM_EMSCRIPTEN
int64_t i64 = clock();
#elif BX_PLATFORM_OSX
int64_t i64 = mach_absolute_time();
#else
struct timeval now;
gettimeofday(&now, 0);
int64_t i64 = now.tv_sec*1000000 + now.tv_usec;
#endif // BNET_PLATFORM_
static int64_t offset = i64;
return i64 - offset;
}
inline int64_t getHPFrequency()
{
#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
LARGE_INTEGER li;
QueryPerformanceFrequency(&li);
return li.QuadPart;
#elif BX_PLATFORM_ANDROID || BX_PLATFORM_EMSCRIPTEN
return CLOCKS_PER_SEC;
#elif BX_PLATFORM_OSX
mach_timebase_info_data_t info;
mach_timebase_info(&info);
return (int64_t)(info.denom * 1000000) / info.numer;
#else
return 1000000;
#endif // BNET_PLATFORM_
}
} // namespace bx
#endif // __BX_TIMER_H__
/*
* Copyright 2010-2011 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#ifndef __BX_TIMER_H__
#define __BX_TIMER_H__
#include "bx.h"
#if BX_PLATFORM_ANDROID
# include <time.h> // clock, clock_gettime
#elif BX_PLATFORM_NACL || BX_PLATFORM_LINUX
# include <sys/time.h> // gettimeofday
#elif BX_PLATFORM_OSX
# include <mach/mach_time.h> // mach_absolute_time/mach_timebase_info
#elif BX_PLATFORM_WINDOWS
# include <windows.h>
#endif // BX_PLATFORM_
namespace bx
{
inline int64_t getHPCounter()
{
#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
LARGE_INTEGER li;
// Performance counter value may unexpectedly leap forward
// http://support.microsoft.com/kb/274323
QueryPerformanceCounter(&li);
int64_t i64 = li.QuadPart;
#elif BX_PLATFORM_ANDROID || BX_PLATFORM_EMSCRIPTEN
int64_t i64 = clock();
#elif BX_PLATFORM_OSX
int64_t i64 = mach_absolute_time();
#elif 0 // BX_PLATFORM_LINUX
struct timespec now;
clock_gettime(CLOCK_MONOTONIC_RAW, &now);
int64_t i64 = now.tv_sec*1000000 + now.tv_nsec/1000;
#else
struct timeval now;
gettimeofday(&now, 0);
int64_t i64 = now.tv_sec*1000000 + now.tv_usec;
#endif // BNET_PLATFORM_
static int64_t offset = i64;
return i64 - offset;
}
inline int64_t getHPFrequency()
{
#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360
LARGE_INTEGER li;
QueryPerformanceFrequency(&li);
return li.QuadPart;
#elif BX_PLATFORM_ANDROID || BX_PLATFORM_EMSCRIPTEN
return CLOCKS_PER_SEC;
#elif BX_PLATFORM_OSX
mach_timebase_info_data_t info;
mach_timebase_info(&info);
return (int64_t)(info.denom * 1000000) / info.numer;
#else
return 1000000;
#endif // BNET_PLATFORM_
}
} // namespace bx
#endif // __BX_TIMER_H__