# OgreMemoryNedAlloc.h

Go to the documentation of this file.

    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) 2000-2008 Torus Knot Software Ltd
    00008 Also see acknowledgements in Readme.html
    00009
    00010 This program is free software; you can redistribute it and/or modify it under
    00011 the terms of the GNU Lesser General Public License as published by the Free Software
    00012 Foundation; either version 2 of the License, or (at your option) any later
    00013 version.
    00014
    00015 This program is distributed in the hope that it will be useful, but WITHOUT
    00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00018
    00019 You should have received a copy of the GNU Lesser General Public License along with
    00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00022 http://www.gnu.org/copyleft/lesser.txt.
    00023
    00024 You may alternatively use this source under the terms of a specific version of
    00025 the OGRE Unrestricted License provided you have obtained such a license from
    00026 Torus Knot Software Ltd.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029
    00030 #ifndef __MemoryNedAlloc_H__
    00031 #define __MemoryNedAlloc_H__
    00032
    00033 #if OGRE_MEMORY_ALLOCATOR == OGRE_MEMORY_ALLOCATOR_NED
    00034
    00035 namespace Ogre
    00036 {
    00039     class _OgreExport NedAllocImpl
    00040     {
    00041     public:
    00042         static void* allocBytes(size_t count,
    00043             const char* file, int line, const char* func);
    00044         static void deallocBytes(void* ptr);
    00045         static void* allocBytesAligned(size_t align, size_t count,
    00046             const char* file, int line, const char* func);
    00047         static void deallocBytesAligned(size_t align, void* ptr);
    00048
    00049     };
    00050
    00059     class _OgreExport NedAllocPolicy
    00060     {
    00061     public:
    00062         static inline void* allocateBytes(size_t count,
    00063             const char* file = 0, int line = 0, const char* func = 0)
    00064         {
    00065             return NedAllocImpl::allocBytes(count, file, line, func);
    00066         }
    00067         static inline void deallocateBytes(void* ptr)
    00068         {
    00069             NedAllocImpl::deallocBytes(ptr);
    00070         }
    00071
    00072     private:
    00073         // No instantiation
    00074         NedAllocPolicy()
    00075         { }
    00076     };
    00077
    00078
    00091     template <size_t Alignment = 0>
    00092     class NedAlignedAllocPolicy
    00093     {
    00094     public:
    00095         // compile-time check alignment is available.
    00096         typedef int IsValidAlignment
    00097             [Alignment <= 128 && ((Alignment & (Alignment-1)) == 0) ? +1 : -1];
    00098
    00099         static inline void* allocateBytes(size_t count,
    00100             const char* file = 0, int line = 0, const char* func = 0)
    00101         {
    00102             return NedAllocImpl::allocBytesAligned(Alignment, count, file, line, func);
    00103         }
    00104
    00105         static inline void deallocateBytes(void* ptr)
    00106         {
    00107             NedAllocImpl::deallocBytesAligned(Alignment, ptr);
    00108         }
    00109
    00111         static inline size_t getMaxAllocationSize()
    00112         {
    00113             return std::numeric_limits<size_t>::max();
    00114         }
    00115     private:
    00116         // no instantiation allowed
    00117         NedAlignedAllocPolicy()
    00118         { }
    00119     };
    00120
    00121     // you might also want to declare policies based on ned's pooled allocators
    00122     // if you want - that is lefts as an exercise for the user
    00123
    00124
    00125
    00126 }// namespace Ogre
    00127
    00128 #endif
    00129
    00130 #endif // __MemoryNedAlloc_H__
    00131

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Dec 27 17:31:06 2009