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authorAlon Zakai <alonzakai@gmail.com>2011-04-21 17:55:35 -0700
committerAlon Zakai <alonzakai@gmail.com>2011-04-21 17:55:35 -0700
commit887ce3dde89410d012a708c3ec454f679b2e5b1e (patch)
treedaeadbc86bf721a5d4fff109a1d87a4c69215905 /tests/bullet/src/LinearMath/btAlignedAllocator.h
parentb3f4022e35b34002f44aacde554cc8b3ea927500 (diff)
update bullet test to compile from source
Diffstat (limited to 'tests/bullet/src/LinearMath/btAlignedAllocator.h')
-rw-r--r--tests/bullet/src/LinearMath/btAlignedAllocator.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/tests/bullet/src/LinearMath/btAlignedAllocator.h b/tests/bullet/src/LinearMath/btAlignedAllocator.h
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+++ b/tests/bullet/src/LinearMath/btAlignedAllocator.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+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.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef BT_ALIGNED_ALLOCATOR
+#define BT_ALIGNED_ALLOCATOR
+
+///we probably replace this with our own aligned memory allocator
+///so we replace _aligned_malloc and _aligned_free with our own
+///that is better portable and more predictable
+
+#include "btScalar.h"
+//#define BT_DEBUG_MEMORY_ALLOCATIONS 1
+#ifdef BT_DEBUG_MEMORY_ALLOCATIONS
+
+#define btAlignedAlloc(a,b) \
+ btAlignedAllocInternal(a,b,__LINE__,__FILE__)
+
+#define btAlignedFree(ptr) \
+ btAlignedFreeInternal(ptr,__LINE__,__FILE__)
+
+void* btAlignedAllocInternal (size_t size, int alignment,int line,char* filename);
+
+void btAlignedFreeInternal (void* ptr,int line,char* filename);
+
+#else
+ void* btAlignedAllocInternal (size_t size, int alignment);
+ void btAlignedFreeInternal (void* ptr);
+
+ #define btAlignedAlloc(size,alignment) btAlignedAllocInternal(size,alignment)
+ #define btAlignedFree(ptr) btAlignedFreeInternal(ptr)
+
+#endif
+typedef int size_type;
+
+typedef void *(btAlignedAllocFunc)(size_t size, int alignment);
+typedef void (btAlignedFreeFunc)(void *memblock);
+typedef void *(btAllocFunc)(size_t size);
+typedef void (btFreeFunc)(void *memblock);
+
+///The developer can let all Bullet memory allocations go through a custom memory allocator, using btAlignedAllocSetCustom
+void btAlignedAllocSetCustom(btAllocFunc *allocFunc, btFreeFunc *freeFunc);
+///If the developer has already an custom aligned allocator, then btAlignedAllocSetCustomAligned can be used. The default aligned allocator pre-allocates extra memory using the non-aligned allocator, and instruments it.
+void btAlignedAllocSetCustomAligned(btAlignedAllocFunc *allocFunc, btAlignedFreeFunc *freeFunc);
+
+
+///The btAlignedAllocator is a portable class for aligned memory allocations.
+///Default implementations for unaligned and aligned allocations can be overridden by a custom allocator using btAlignedAllocSetCustom and btAlignedAllocSetCustomAligned.
+template < typename T , unsigned Alignment >
+class btAlignedAllocator {
+
+ typedef btAlignedAllocator< T , Alignment > self_type;
+
+public:
+
+ //just going down a list:
+ btAlignedAllocator() {}
+ /*
+ btAlignedAllocator( const self_type & ) {}
+ */
+
+ template < typename Other >
+ btAlignedAllocator( const btAlignedAllocator< Other , Alignment > & ) {}
+
+ typedef const T* const_pointer;
+ typedef const T& const_reference;
+ typedef T* pointer;
+ typedef T& reference;
+ typedef T value_type;
+
+ pointer address ( reference ref ) const { return &ref; }
+ const_pointer address ( const_reference ref ) const { return &ref; }
+ pointer allocate ( size_type n , const_pointer * hint = 0 ) {
+ (void)hint;
+ return reinterpret_cast< pointer >(btAlignedAlloc( sizeof(value_type) * n , Alignment ));
+ }
+ void construct ( pointer ptr , const value_type & value ) { new (ptr) value_type( value ); }
+ void deallocate( pointer ptr ) {
+ btAlignedFree( reinterpret_cast< void * >( ptr ) );
+ }
+ void destroy ( pointer ptr ) { ptr->~value_type(); }
+
+
+ template < typename O > struct rebind {
+ typedef btAlignedAllocator< O , Alignment > other;
+ };
+ template < typename O >
+ self_type & operator=( const btAlignedAllocator< O , Alignment > & ) { return *this; }
+
+ friend bool operator==( const self_type & , const self_type & ) { return true; }
+};
+
+
+
+#endif //BT_ALIGNED_ALLOCATOR
+