OGRE: OgreMemoryStdAlloc.h Source File - OGRE Documentation

# OgreMemoryStdAlloc.h

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    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) 2000-2009 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__

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Nov 3 2010 19:24:52