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Diffstat (limited to 'thirdparty/bullet/BulletCollision/Gimpact/btGenericPoolAllocator.h')
-rw-r--r-- | thirdparty/bullet/BulletCollision/Gimpact/btGenericPoolAllocator.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/thirdparty/bullet/BulletCollision/Gimpact/btGenericPoolAllocator.h b/thirdparty/bullet/BulletCollision/Gimpact/btGenericPoolAllocator.h deleted file mode 100644 index a535088e48..0000000000 --- a/thirdparty/bullet/BulletCollision/Gimpact/btGenericPoolAllocator.h +++ /dev/null @@ -1,153 +0,0 @@ -/*! \file btGenericPoolAllocator.h -\author Francisco Leon Najera. email projectileman@yahoo.com - -General purpose allocator class -*/ -/* -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_GENERIC_POOL_ALLOCATOR_H -#define BT_GENERIC_POOL_ALLOCATOR_H - -#include <limits.h> -#include <stdio.h> -#include <string.h> -#include "LinearMath/btAlignedAllocator.h" - -#define BT_UINT_MAX UINT_MAX -#define BT_DEFAULT_MAX_POOLS 16 - -//! Generic Pool class -class btGenericMemoryPool -{ -public: - unsigned char *m_pool; //[m_element_size*m_max_element_count]; - size_t *m_free_nodes; //[m_max_element_count];//! free nodes - size_t *m_allocated_sizes; //[m_max_element_count];//! Number of elements allocated per node - size_t m_allocated_count; - size_t m_free_nodes_count; - -protected: - size_t m_element_size; - size_t m_max_element_count; - - size_t allocate_from_free_nodes(size_t num_elements); - size_t allocate_from_pool(size_t num_elements); - -public: - void init_pool(size_t element_size, size_t element_count); - - void end_pool(); - - btGenericMemoryPool(size_t element_size, size_t element_count) - { - init_pool(element_size, element_count); - } - - ~btGenericMemoryPool() - { - end_pool(); - } - - inline size_t get_pool_capacity() - { - return m_element_size * m_max_element_count; - } - - inline size_t gem_element_size() - { - return m_element_size; - } - - inline size_t get_max_element_count() - { - return m_max_element_count; - } - - inline size_t get_allocated_count() - { - return m_allocated_count; - } - - inline size_t get_free_positions_count() - { - return m_free_nodes_count; - } - - inline void *get_element_data(size_t element_index) - { - return &m_pool[element_index * m_element_size]; - } - - //! Allocates memory in pool - /*! - \param size_bytes size in bytes of the buffer - */ - void *allocate(size_t size_bytes); - - bool freeMemory(void *pointer); -}; - -//! Generic Allocator with pools -/*! -General purpose Allocator which can create Memory Pools dynamiacally as needed. -*/ -class btGenericPoolAllocator -{ -protected: - size_t m_pool_element_size; - size_t m_pool_element_count; - -public: - btGenericMemoryPool *m_pools[BT_DEFAULT_MAX_POOLS]; - size_t m_pool_count; - - inline size_t get_pool_capacity() - { - return m_pool_element_size * m_pool_element_count; - } - -protected: - // creates a pool - btGenericMemoryPool *push_new_pool(); - - void *failback_alloc(size_t size_bytes); - - bool failback_free(void *pointer); - -public: - btGenericPoolAllocator(size_t pool_element_size, size_t pool_element_count) - { - m_pool_count = 0; - m_pool_element_size = pool_element_size; - m_pool_element_count = pool_element_count; - } - - virtual ~btGenericPoolAllocator(); - - //! Allocates memory in pool - /*! - \param size_bytes size in bytes of the buffer - */ - void *allocate(size_t size_bytes); - - bool freeMemory(void *pointer); -}; - -void *btPoolAlloc(size_t size); -void *btPoolRealloc(void *ptr, size_t oldsize, size_t newsize); -void btPoolFree(void *ptr); - -#endif |