Changeset 7983 for code/branches/kicklib/src/external/bullet/LinearMath/btQuickprof.cpp

Timestamp:

Feb 27, 2011, 7:43:24 AM (14 years ago)

Author:

rgrieder

Message:

Updated Bullet Physics Engine from v2.74 to v2.77

File:

• code/branches/kicklib/src/external/bullet/LinearMath/btQuickprof.cpp (modified) (3 diffs)

code/branches/kicklib/src/external/bullet/LinearMath/btQuickprof.cpp

@@ -1 +1 @@
 /*
 
-/***************************************************************************************************
+***************************************************************************************************
 **
 ** profile.cpp
@@ -14 +14 @@
 // Ogre (www.ogre3d.org).
 
-#include "LinearMath/btQuickprof.h"
-
-
-#ifdef USE_BT_CLOCK
+#include "btQuickprof.h"
+
+#ifndef BT_NO_PROFILE
+
 
 static btClock gProfileClock;
+
+
+#ifdef __CELLOS_LV2__
+#include <sys/sys_time.h>
+#include <sys/time_util.h>
+#include <stdio.h>
+#endif
+
+#if defined (SUNOS) || defined (__SUNOS__) 
+#include <stdio.h> 
+#endif
+
+#if defined(WIN32) || defined(_WIN32)
+
+#define BT_USE_WINDOWS_TIMERS
+#define WIN32_LEAN_AND_MEAN
+#define NOWINRES
+#define NOMCX
+#define NOIME 
+
+#ifdef _XBOX
+        #include <Xtl.h>
+#else //_XBOX
+        #include <windows.h>
+#endif //_XBOX
+
+#include <time.h>
+
+
+#else //_WIN32
+#include <sys/time.h>
+#endif //_WIN32
+
+#define mymin(a,b) (a > b ? a : b)
+
+struct btClockData
+{
+
+#ifdef BT_USE_WINDOWS_TIMERS
+        LARGE_INTEGER mClockFrequency;
+        DWORD mStartTick;
+        LONGLONG mPrevElapsedTime;
+        LARGE_INTEGER mStartTime;
+#else
+#ifdef __CELLOS_LV2__
+        uint64_t        mStartTime;
+#else
+        struct timeval mStartTime;
+#endif
+#endif //__CELLOS_LV2__
+
+};
+
+///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling.
+btClock::btClock()
+{
+        m_data = new btClockData;
+#ifdef BT_USE_WINDOWS_TIMERS
+        QueryPerformanceFrequency(&m_data->mClockFrequency);
+#endif
+        reset();
+}
+
+btClock::~btClock()
+{
+        delete m_data;
+}
+
+btClock::btClock(const btClock& other)
+{
+        m_data = new btClockData;
+        *m_data = *other.m_data;
+}
+
+btClock& btClock::operator=(const btClock& other)
+{
+        *m_data = *other.m_data;
+        return *this;
+}
+
+
+        /// Resets the initial reference time.
+void btClock::reset()
+{
+#ifdef BT_USE_WINDOWS_TIMERS
+        QueryPerformanceCounter(&m_data->mStartTime);
+        m_data->mStartTick = GetTickCount();
+        m_data->mPrevElapsedTime = 0;
+#else
+#ifdef __CELLOS_LV2__
+
+        typedef uint64_t  ClockSize;
+        ClockSize newTime;
+        //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
+        SYS_TIMEBASE_GET( newTime );
+        m_data->mStartTime = newTime;
+#else
+        gettimeofday(&m_data->mStartTime, 0);
+#endif
+#endif
+}
+
+/// Returns the time in ms since the last call to reset or since 
+/// the btClock was created.
+unsigned long int btClock::getTimeMilliseconds()
+{
+#ifdef BT_USE_WINDOWS_TIMERS
+        LARGE_INTEGER currentTime;
+        QueryPerformanceCounter(&currentTime);
+        LONGLONG elapsedTime = currentTime.QuadPart - 
+                m_data->mStartTime.QuadPart;
+                // Compute the number of millisecond ticks elapsed.
+        unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / 
+                m_data->mClockFrequency.QuadPart);
+                // Check for unexpected leaps in the Win32 performance counter.  
+        // (This is caused by unexpected data across the PCI to ISA 
+                // bridge, aka south bridge.  See Microsoft KB274323.)
+                unsigned long elapsedTicks = GetTickCount() - m_data->mStartTick;
+                signed long msecOff = (signed long)(msecTicks - elapsedTicks);
+                if (msecOff < -100 || msecOff > 100)
+                {
+                        // Adjust the starting time forwards.
+                        LONGLONG msecAdjustment = mymin(msecOff * 
+                                m_data->mClockFrequency.QuadPart / 1000, elapsedTime - 
+                                m_data->mPrevElapsedTime);
+                        m_data->mStartTime.QuadPart += msecAdjustment;
+                        elapsedTime -= msecAdjustment;
+
+                        // Recompute the number of millisecond ticks elapsed.
+                        msecTicks = (unsigned long)(1000 * elapsedTime / 
+                                m_data->mClockFrequency.QuadPart);
+                }
+
+                // Store the current elapsed time for adjustments next time.
+                m_data->mPrevElapsedTime = elapsedTime;
+
+                return msecTicks;
+#else
+
+#ifdef __CELLOS_LV2__
+                uint64_t freq=sys_time_get_timebase_frequency();
+                double dFreq=((double) freq) / 1000.0;
+                typedef uint64_t  ClockSize;
+                ClockSize newTime;
+                SYS_TIMEBASE_GET( newTime );
+                //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
+
+                return (unsigned long int)((double(newTime-m_data->mStartTime)) / dFreq);
+#else
+
+                struct timeval currentTime;
+                gettimeofday(&currentTime, 0);
+                return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000 + 
+                        (currentTime.tv_usec - m_data->mStartTime.tv_usec) / 1000;
+#endif //__CELLOS_LV2__
+#endif
+}
+
+        /// Returns the time in us since the last call to reset or since 
+        /// the Clock was created.
+unsigned long int btClock::getTimeMicroseconds()
+{
+#ifdef BT_USE_WINDOWS_TIMERS
+                LARGE_INTEGER currentTime;
+                QueryPerformanceCounter(&currentTime);
+                LONGLONG elapsedTime = currentTime.QuadPart - 
+                        m_data->mStartTime.QuadPart;
+
+                // Compute the number of millisecond ticks elapsed.
+                unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / 
+                        m_data->mClockFrequency.QuadPart);
+
+                // Check for unexpected leaps in the Win32 performance counter.  
+                // (This is caused by unexpected data across the PCI to ISA 
+                // bridge, aka south bridge.  See Microsoft KB274323.)
+                unsigned long elapsedTicks = GetTickCount() - m_data->mStartTick;
+                signed long msecOff = (signed long)(msecTicks - elapsedTicks);
+                if (msecOff < -100 || msecOff > 100)
+                {
+                        // Adjust the starting time forwards.
+                        LONGLONG msecAdjustment = mymin(msecOff * 
+                                m_data->mClockFrequency.QuadPart / 1000, elapsedTime - 
+                                m_data->mPrevElapsedTime);
+                        m_data->mStartTime.QuadPart += msecAdjustment;
+                        elapsedTime -= msecAdjustment;
+                }
+
+                // Store the current elapsed time for adjustments next time.
+                m_data->mPrevElapsedTime = elapsedTime;
+
+                // Convert to microseconds.
+                unsigned long usecTicks = (unsigned long)(1000000 * elapsedTime / 
+                        m_data->mClockFrequency.QuadPart);
+
+                return usecTicks;
+#else
+
+#ifdef __CELLOS_LV2__
+                uint64_t freq=sys_time_get_timebase_frequency();
+                double dFreq=((double) freq)/ 1000000.0;
+                typedef uint64_t  ClockSize;
+                ClockSize newTime;
+                //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
+                SYS_TIMEBASE_GET( newTime );
+
+                return (unsigned long int)((double(newTime-m_data->mStartTime)) / dFreq);
+#else
+
+                struct timeval currentTime;
+                gettimeofday(&currentTime, 0);
+                return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000000 + 
+                        (currentTime.tv_usec - m_data->mStartTime.tv_usec);
+#endif//__CELLOS_LV2__
+#endif 
+}
+
+
+
+
 
 inline void Profile_Get_Ticks(unsigned long int * ticks)
@@ -343 +562 @@
 
 
-#endif //USE_BT_CLOCK
-
+
+#endif //BT_NO_PROFILE