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Diffstat (limited to 'extern/bullet2/LinearMath/btQuickprof.h')
| -rw-r--r-- | extern/bullet2/LinearMath/btQuickprof.h | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/extern/bullet2/LinearMath/btQuickprof.h b/extern/bullet2/LinearMath/btQuickprof.h deleted file mode 100644 index d048f98e310..00000000000 --- a/extern/bullet2/LinearMath/btQuickprof.h +++ /dev/null @@ -1,370 +0,0 @@ - -/*************************************************************************************************** -** -** Real-Time Hierarchical Profiling for Game Programming Gems 3 -** -** by Greg Hjelstrom & Byon Garrabrant -** -***************************************************************************************************/ - -// Credits: The Clock class was inspired by the Timer classes in -// Ogre (www.ogre3d.org). - - - -#ifndef QUICK_PROF_H -#define QUICK_PROF_H - -//To disable built-in profiling, please comment out next line -//#define BT_NO_PROFILE 1 -#ifndef BT_NO_PROFILE - -#include "btScalar.h" -#include "btAlignedAllocator.h" -#include <new> - - - - -//if you don't need btClock, you can comment next line -#define USE_BT_CLOCK 1 - -#ifdef USE_BT_CLOCK -#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 USE_WINDOWS_TIMERS -#define WIN32_LEAN_AND_MEAN -#define NOWINRES -#define NOMCX -#define NOIME -#ifdef _XBOX -#include <Xtl.h> -#else -#include <windows.h> -#endif -#include <time.h> - -#else -#include <sys/time.h> -#endif - -#define mymin(a,b) (a > b ? a : b) - -///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling. -class btClock -{ -public: - btClock() - { -#ifdef USE_WINDOWS_TIMERS - QueryPerformanceFrequency(&mClockFrequency); -#endif - reset(); - } - - ~btClock() - { - } - - /// Resets the initial reference time. - void reset() - { -#ifdef USE_WINDOWS_TIMERS - QueryPerformanceCounter(&mStartTime); - mStartTick = GetTickCount(); - mPrevElapsedTime = 0; -#else -#ifdef __CELLOS_LV2__ - - typedef uint64_t ClockSize; - ClockSize newTime; - //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); - SYS_TIMEBASE_GET( newTime ); - mStartTime = newTime; -#else - gettimeofday(&mStartTime, 0); -#endif - -#endif - } - - /// Returns the time in ms since the last call to reset or since - /// the btClock was created. - unsigned long int getTimeMilliseconds() - { -#ifdef USE_WINDOWS_TIMERS - LARGE_INTEGER currentTime; - QueryPerformanceCounter(¤tTime); - LONGLONG elapsedTime = currentTime.QuadPart - - mStartTime.QuadPart; - - // Compute the number of millisecond ticks elapsed. - unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / - 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() - mStartTick; - signed long msecOff = (signed long)(msecTicks - elapsedTicks); - if (msecOff < -100 || msecOff > 100) - { - // Adjust the starting time forwards. - LONGLONG msecAdjustment = mymin(msecOff * - mClockFrequency.QuadPart / 1000, elapsedTime - - mPrevElapsedTime); - mStartTime.QuadPart += msecAdjustment; - elapsedTime -= msecAdjustment; - - // Recompute the number of millisecond ticks elapsed. - msecTicks = (unsigned long)(1000 * elapsedTime / - mClockFrequency.QuadPart); - } - - // Store the current elapsed time for adjustments next time. - 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-mStartTime)) / dFreq); -#else - - struct timeval currentTime; - gettimeofday(¤tTime, 0); - return (currentTime.tv_sec - mStartTime.tv_sec) * 1000 + - (currentTime.tv_usec - 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 getTimeMicroseconds() - { -#ifdef USE_WINDOWS_TIMERS - LARGE_INTEGER currentTime; - QueryPerformanceCounter(¤tTime); - LONGLONG elapsedTime = currentTime.QuadPart - - mStartTime.QuadPart; - - // Compute the number of millisecond ticks elapsed. - unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / - 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() - mStartTick; - signed long msecOff = (signed long)(msecTicks - elapsedTicks); - if (msecOff < -100 || msecOff > 100) - { - // Adjust the starting time forwards. - LONGLONG msecAdjustment = mymin(msecOff * - mClockFrequency.QuadPart / 1000, elapsedTime - - mPrevElapsedTime); - mStartTime.QuadPart += msecAdjustment; - elapsedTime -= msecAdjustment; - } - - // Store the current elapsed time for adjustments next time. - mPrevElapsedTime = elapsedTime; - - // Convert to microseconds. - unsigned long usecTicks = (unsigned long)(1000000 * elapsedTime / - 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-mStartTime)) / dFreq); -#else - - struct timeval currentTime; - gettimeofday(¤tTime, 0); - return (currentTime.tv_sec - mStartTime.tv_sec) * 1000000 + - (currentTime.tv_usec - mStartTime.tv_usec); -#endif//__CELLOS_LV2__ -#endif - } - -private: -#ifdef 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__ - -}; - -#endif //USE_BT_CLOCK - - - - -///A node in the Profile Hierarchy Tree -class CProfileNode { - -public: - CProfileNode( const char * name, CProfileNode * parent ); - ~CProfileNode( void ); - - CProfileNode * Get_Sub_Node( const char * name ); - - CProfileNode * Get_Parent( void ) { return Parent; } - CProfileNode * Get_Sibling( void ) { return Sibling; } - CProfileNode * Get_Child( void ) { return Child; } - - void CleanupMemory(); - void Reset( void ); - void Call( void ); - bool Return( void ); - - const char * Get_Name( void ) { return Name; } - int Get_Total_Calls( void ) { return TotalCalls; } - float Get_Total_Time( void ) { return TotalTime; } - -protected: - - const char * Name; - int TotalCalls; - float TotalTime; - unsigned long int StartTime; - int RecursionCounter; - - CProfileNode * Parent; - CProfileNode * Child; - CProfileNode * Sibling; -}; - -///An iterator to navigate through the tree -class CProfileIterator -{ -public: - // Access all the children of the current parent - void First(void); - void Next(void); - bool Is_Done(void); - bool Is_Root(void) { return (CurrentParent->Get_Parent() == 0); } - - void Enter_Child( int index ); // Make the given child the new parent - void Enter_Largest_Child( void ); // Make the largest child the new parent - void Enter_Parent( void ); // Make the current parent's parent the new parent - - // Access the current child - const char * Get_Current_Name( void ) { return CurrentChild->Get_Name(); } - int Get_Current_Total_Calls( void ) { return CurrentChild->Get_Total_Calls(); } - float Get_Current_Total_Time( void ) { return CurrentChild->Get_Total_Time(); } - - // Access the current parent - const char * Get_Current_Parent_Name( void ) { return CurrentParent->Get_Name(); } - int Get_Current_Parent_Total_Calls( void ) { return CurrentParent->Get_Total_Calls(); } - float Get_Current_Parent_Total_Time( void ) { return CurrentParent->Get_Total_Time(); } - -protected: - - CProfileNode * CurrentParent; - CProfileNode * CurrentChild; - - CProfileIterator( CProfileNode * start ); - friend class CProfileManager; -}; - - -///The Manager for the Profile system -class CProfileManager { -public: - static void Start_Profile( const char * name ); - static void Stop_Profile( void ); - - static void CleanupMemory(void) - { - Root.CleanupMemory(); - } - - static void Reset( void ); - static void Increment_Frame_Counter( void ); - static int Get_Frame_Count_Since_Reset( void ) { return FrameCounter; } - static float Get_Time_Since_Reset( void ); - - static CProfileIterator * Get_Iterator( void ) - { - - return new CProfileIterator( &Root ); - } - static void Release_Iterator( CProfileIterator * iterator ) { delete ( iterator); } - - static void dumpRecursive(CProfileIterator* profileIterator, int spacing); - - static void dumpAll(); - -private: - static CProfileNode Root; - static CProfileNode * CurrentNode; - static int FrameCounter; - static unsigned long int ResetTime; -}; - - -///ProfileSampleClass is a simple way to profile a function's scope -///Use the BT_PROFILE macro at the start of scope to time -class CProfileSample { -public: - CProfileSample( const char * name ) - { - CProfileManager::Start_Profile( name ); - } - - ~CProfileSample( void ) - { - CProfileManager::Stop_Profile(); - } -}; - - -#define BT_PROFILE( name ) CProfileSample __profile( name ) - -#else - -#define BT_PROFILE( name ) - -#endif //#ifndef BT_NO_PROFILE - - - -#endif //QUICK_PROF_H - - |