Differential D8762 Diff 28333 extern/bullet2/src/LinearMath/btAlignedAllocator.cpp

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extern/bullet2/src/LinearMath/btAlignedAllocator.cpp

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	1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.			1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
	2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.			2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
	3. This notice may not be removed or altered from any source distribution.			3. This notice may not be removed or altered from any source distribution.
	*/			*/

	#include "btAlignedAllocator.h"			#include "btAlignedAllocator.h"

				#ifdef BT_DEBUG_MEMORY_ALLOCATIONS
	int gNumAlignedAllocs = 0;			int gNumAlignedAllocs = 0;
	int gNumAlignedFree = 0;			int gNumAlignedFree = 0;
	int gTotalBytesAlignedAllocs = 0;//detect memory leaks			int gTotalBytesAlignedAllocs = 0; //detect memory leaks
				#endif //BT_DEBUG_MEMORY_ALLOCATIONST_DEBUG_ALLOCATIONS

	static void *btAllocDefault(size_t size)			static void *btAllocDefault(size_t size)
	{			{
	return malloc(size);			return malloc(size);
	}			}

	static void btFreeDefault(void *ptr)			static void btFreeDefault(void *ptr)
	{			{
	free(ptr);			free(ptr);
	}			}

	static btAllocFunc *sAllocFunc = btAllocDefault;			static btAllocFunc *sAllocFunc = btAllocDefault;
	static btFreeFunc *sFreeFunc = btFreeDefault;			static btFreeFunc *sFreeFunc = btFreeDefault;



	#if defined (BT_HAS_ALIGNED_ALLOCATOR)			#if defined(BT_HAS_ALIGNED_ALLOCATOR)
	#include <malloc.h>			#include <malloc.h>
	static void *btAlignedAllocDefault(size_t size, int alignment)			static void *btAlignedAllocDefault(size_t size, int alignment)
	{			{
	return _aligned_malloc(size, (size_t)alignment);			return _aligned_malloc(size, (size_t)alignment);
	}			}

	static void btAlignedFreeDefault(void *ptr)			static void btAlignedFreeDefault(void *ptr)
	{			{
	_aligned_free(ptr);			_aligned_free(ptr);
	}			}
	#elif defined(__CELLOS_LV2__)			#elif defined(__CELLOS_LV2__)
	#include <stdlib.h>			#include <stdlib.h>

	static inline void *btAlignedAllocDefault(size_t size, int alignment)			static inline void *btAlignedAllocDefault(size_t size, int alignment)
	{			{
	return memalign(alignment, size);			return memalign(alignment, size);
	}			}

	static inline void btAlignedFreeDefault(void *ptr)			static inline void btAlignedFreeDefault(void *ptr)
	{			{
	free(ptr);			free(ptr);
	}			}
	#else			#else





	static inline void *btAlignedAllocDefault(size_t size, int alignment)			static inline void *btAlignedAllocDefault(size_t size, int alignment)
	{			{
	void *ret;			void *ret;
	char *real;			char *real;
	real = (char )sAllocFunc(size + sizeof(void ) + (alignment-1));			real = (char )sAllocFunc(size + sizeof(void ) + (alignment - 1));
	if (real) {			if (real)
				{
	ret = btAlignPointer(real + sizeof(void *),alignment);			ret = btAlignPointer(real + sizeof(void *), alignment);
	((void )(ret)-1) = (void )(real);			((void )(ret)-1) = (void )(real);
	} else {			}
				else
				{
	ret = (void *)(real);			ret = (void *)(real);
	}			}
	return (ret);			return (ret);
	}			}

	static inline void btAlignedFreeDefault(void *ptr)			static inline void btAlignedFreeDefault(void *ptr)
	{			{
	void* real;			void *real;

	if (ptr) {			if (ptr)
				{
	real = ((void *)(ptr)-1);			real = ((void *)(ptr)-1);
	sFreeFunc(real);			sFreeFunc(real);
	}			}
	}			}
	#endif			#endif


	static btAlignedAllocFunc *sAlignedAllocFunc = btAlignedAllocDefault;			static btAlignedAllocFunc *sAlignedAllocFunc = btAlignedAllocDefault;
	static btAlignedFreeFunc *sAlignedFreeFunc = btAlignedFreeDefault;			static btAlignedFreeFunc *sAlignedFreeFunc = btAlignedFreeDefault;

	void btAlignedAllocSetCustomAligned(btAlignedAllocFunc allocFunc, btAlignedFreeFunc freeFunc)			void btAlignedAllocSetCustomAligned(btAlignedAllocFunc allocFunc, btAlignedFreeFunc freeFunc)
	{			{
	sAlignedAllocFunc = allocFunc ? allocFunc : btAlignedAllocDefault;			sAlignedAllocFunc = allocFunc ? allocFunc : btAlignedAllocDefault;
	sAlignedFreeFunc = freeFunc ? freeFunc : btAlignedFreeDefault;			sAlignedFreeFunc = freeFunc ? freeFunc : btAlignedFreeDefault;
	}			}

	void btAlignedAllocSetCustom(btAllocFunc allocFunc, btFreeFunc freeFunc)			void btAlignedAllocSetCustom(btAllocFunc allocFunc, btFreeFunc freeFunc)
	{			{
	sAllocFunc = allocFunc ? allocFunc : btAllocDefault;			sAllocFunc = allocFunc ? allocFunc : btAllocDefault;
	sFreeFunc = freeFunc ? freeFunc : btFreeDefault;			sFreeFunc = freeFunc ? freeFunc : btFreeDefault;
	}			}

	#ifdef BT_DEBUG_MEMORY_ALLOCATIONS			#ifdef BT_DEBUG_MEMORY_ALLOCATIONS

				static int allocations_id[10241024];
				static int allocations_bytes[10241024];
				static int mynumallocs = 0;
				#include <stdio.h>

				int btDumpMemoryLeaks()
				{
				int totalLeak = 0;

				for (int i = 0; i < mynumallocs; i++)
				{
				printf("Error: leaked memory of allocation #%d (%d bytes)\n", allocations_id[i], allocations_bytes[i]);
				totalLeak += allocations_bytes[i];
				}
				if (totalLeak)
				{
				printf("Error: memory leaks: %d allocations were not freed and leaked together %d bytes\n", mynumallocs, totalLeak);
				}
				return totalLeak;
				}
	//this generic allocator provides the total allocated number of bytes			//this generic allocator provides the total allocated number of bytes
	#include <stdio.h>			#include <stdio.h>

	void* btAlignedAllocInternal (size_t size, int alignment,int line,char* filename)			struct btDebugPtrMagic
	{			{
				union {
				void **vptrptr;
				void *vptr;
				int *iptr;
				char *cptr;
				};
				};

				void btAlignedAllocInternal(size_t size, int alignment, int line, const char filename)
				{
				if (size == 0)
				{
				printf("Whaat? size==0");
				return 0;
				}
				static int allocId = 0;

	void *ret;			void *ret;
	char *real;			char *real;

				// to find some particular memory leak, you could do something like this:
				// if (allocId==172)
				// {
				// printf("catch me!\n");
				// }
				// if (size>1024*1024)
				// {
				// printf("big alloc!%d\n", size);
				// }

	gTotalBytesAlignedAllocs += size;			gTotalBytesAlignedAllocs += size;
	gNumAlignedAllocs++;			gNumAlignedAllocs++;

				int sz4prt = 4 * sizeof(void *);

	real = (char )sAllocFunc(size + 2sizeof(void *) + (alignment-1));			real = (char *)sAllocFunc(size + sz4prt + (alignment - 1));
	if (real) {			if (real)
	ret = (void) btAlignPointer(real + 2sizeof(void *), alignment);			{
	((void )(ret)-1) = (void )(real);			ret = (void *)btAlignPointer(real + sz4prt, alignment);
	((int)(ret)-2) = size;			btDebugPtrMagic p;
				p.vptr = ret;
	} else {			p.cptr -= sizeof(void *);
				p.vptrptr = (void )real;
				p.cptr -= sizeof(void *);
				*p.iptr = size;
				p.cptr -= sizeof(void *);
				*p.iptr = allocId;

				allocations_id[mynumallocs] = allocId;
				allocations_bytes[mynumallocs] = size;
				mynumallocs++;
				}
				else
				{
	ret = (void *)(real);//??			ret = (void *)(real); //??
	}			}

	printf("allocation#%d at address %x, from %s,line %d, size %d\n",gNumAlignedAllocs,real, filename,line,size);			printf("allocation %d at address %x, from %s,line %d, size %d (total allocated = %d)\n", allocId, real, filename, line, size, gTotalBytesAlignedAllocs);
				allocId++;

	int* ptr = (int*)ret;			int ptr = (int )ret;
	*ptr = 12;			*ptr = 12;
	return (ret);			return (ret);
	}			}

	void btAlignedFreeInternal (void* ptr,int line,char* filename)			void btAlignedFreeInternal(void ptr, int line, const char filename)
	{			{

	void* real;			void *real;

				if (ptr)
				{
	gNumAlignedFree++;			gNumAlignedFree++;

	if (ptr) {			btDebugPtrMagic p;
	real = ((void *)(ptr)-1);			p.vptr = ptr;
	int size = ((int)(ptr)-2);			p.cptr -= sizeof(void *);
				real = *p.vptrptr;
				p.cptr -= sizeof(void *);
				int size = *p.iptr;
				p.cptr -= sizeof(void *);
				int allocId = *p.iptr;

				bool found = false;

				for (int i = 0; i < mynumallocs; i++)
				{
				if (allocations_id[i] == allocId)
				{
				allocations_id[i] = allocations_id[mynumallocs - 1];
				allocations_bytes[i] = allocations_bytes[mynumallocs - 1];
				mynumallocs--;
				found = true;
				break;
				}
				}

	gTotalBytesAlignedAllocs -= size;			gTotalBytesAlignedAllocs -= size;

	printf("free #%d at address %x, from %s,line %d, size %d\n",gNumAlignedFree,real, filename,line,size);			int diff = gNumAlignedAllocs - gNumAlignedFree;
				printf("free %d at address %x, from %s,line %d, size %d (total remain = %d in %d non-freed allocations)\n", allocId, real, filename, line, size, gTotalBytesAlignedAllocs, diff);

	sFreeFunc(real);			sFreeFunc(real);
	} else			}
				else
	{			{
	printf("NULL ptr\n");			//printf("deleting a NULL ptr, no effect\n");
	}			}
	}			}

	#else //BT_DEBUG_MEMORY_ALLOCATIONS			#else //BT_DEBUG_MEMORY_ALLOCATIONS

	void* btAlignedAllocInternal (size_t size, int alignment)			void *btAlignedAllocInternal(size_t size, int alignment)
	{			{
	gNumAlignedAllocs++;
	void* ptr;			void *ptr;
	ptr = sAlignedAllocFunc(size, alignment);			ptr = sAlignedAllocFunc(size, alignment);
	// printf("btAlignedAllocInternal %d, %x\n",size,ptr);			// printf("btAlignedAllocInternal %d, %x\n",size,ptr);
	return ptr;			return ptr;
	}			}

	void btAlignedFreeInternal (void* ptr)			void btAlignedFreeInternal(void *ptr)
	{			{
	if (!ptr)			if (!ptr)
	{			{
	return;			return;
	}			}

	gNumAlignedFree++;
	// printf("btAlignedFreeInternal %x\n",ptr);			// printf("btAlignedFreeInternal %x\n",ptr);
	sAlignedFreeFunc(ptr);			sAlignedFreeFunc(ptr);
	}			}

	#endif //BT_DEBUG_MEMORY_ALLOCATIONS			#endif //BT_DEBUG_MEMORY_ALLOCATIONS