00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright (c) 2000-2012 Torus Knot Software Ltd 00008 00009 Permission is hereby granted, free of charge, to any person obtaining a copy 00010 of this software and associated documentation files (the "Software"), to deal 00011 in the Software without restriction, including without limitation the rights 00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 copies of the Software, and to permit persons to whom the Software is 00014 furnished to do so, subject to the following conditions: 00015 00016 The above copyright notice and this permission notice shall be included in 00017 all copies or substantial portions of the Software. 00018 00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 THE SOFTWARE. 00026 ----------------------------------------------------------------------------- 00027 */ 00028 00029 #ifndef __MemoryStdAlloc_H__ 00030 #define __MemoryStdAlloc_H__ 00031 00032 #include <memory> 00033 #include <limits> 00034 00035 #include "OgreAlignedAllocator.h" 00036 #include "OgreMemoryTracker.h" 00037 00038 namespace Ogre 00039 { 00040 #if OGRE_MEMORY_ALLOCATOR == OGRE_MEMORY_ALLOCATOR_STD 00041 00055 class _OgreExport StdAllocPolicy 00056 { 00057 public: 00058 static inline void* allocateBytes(size_t count, 00059 #if OGRE_MEMORY_TRACKER 00060 const char* file = 0, int line = 0, const char* func = 0 00061 #else 00062 const char* = 0, int = 0, const char* = 0 00063 #endif 00064 ) 00065 { 00066 void* ptr = malloc(count); 00067 #if OGRE_MEMORY_TRACKER 00068 // this alloc policy doesn't do pools 00069 MemoryTracker::get()._recordAlloc(ptr, count, 0, file, line, func); 00070 #endif 00071 return ptr; 00072 } 00073 00074 static inline void deallocateBytes(void* ptr) 00075 { 00076 #if OGRE_MEMORY_TRACKER 00077 MemoryTracker::get()._recordDealloc(ptr); 00078 #endif 00079 free(ptr); 00080 } 00081 00083 static inline size_t getMaxAllocationSize() 00084 { 00085 return std::numeric_limits<size_t>::max(); 00086 } 00087 private: 00088 // no instantiation 00089 StdAllocPolicy() 00090 { } 00091 }; 00092 00105 template <size_t Alignment = 0> 00106 class StdAlignedAllocPolicy 00107 { 00108 public: 00109 // compile-time check alignment is available. 00110 typedef int IsValidAlignment 00111 [Alignment <= 128 && ((Alignment & (Alignment-1)) == 0) ? +1 : -1]; 00112 00113 static inline void* allocateBytes(size_t count, 00114 #if OGRE_MEMORY_TRACKER 00115 const char* file = 0, int line = 0, const char* func = 0 00116 #else 00117 const char* = 0, int = 0, const char* = 0 00118 #endif 00119 ) 00120 { 00121 void* ptr = Alignment ? AlignedMemory::allocate(count, Alignment) 00122 : AlignedMemory::allocate(count); 00123 #if OGRE_MEMORY_TRACKER 00124 // this alloc policy doesn't do pools 00125 MemoryTracker::get()._recordAlloc(ptr, count, 0, file, line, func); 00126 #endif 00127 return ptr; 00128 } 00129 00130 static inline void deallocateBytes(void* ptr) 00131 { 00132 #if OGRE_MEMORY_TRACKER 00133 MemoryTracker::get()._recordDealloc(ptr); 00134 #endif 00135 AlignedMemory::deallocate(ptr); 00136 } 00137 00139 static inline size_t getMaxAllocationSize() 00140 { 00141 return std::numeric_limits<size_t>::max(); 00142 } 00143 private: 00144 // No instantiation 00145 StdAlignedAllocPolicy() 00146 { } 00147 }; 00148 00149 #endif 00150 00153 }// namespace Ogre 00154 00155 #endif // __MemoryStdAlloc_H__
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Last modified Fri May 25 23:36:24 2012