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76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRYCOMMON_ALLOCATOR_H
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#define CRYINCLUDE_CRYCOMMON_ALLOCATOR_H
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#pragma once
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#include "CryMemoryAllocator.h"
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////////////////////////////////////////////////////////////////////////
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// Allocator default implementation
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struct StdAllocator
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{
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// Class-specific alloc/free/size functions. Use aligned versions only when necessary.
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template<class T>
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static void* Allocate(T*& p)
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{
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return p = NeedAlign<T>() ?
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(T*)CryModuleMemalign(sizeof(T), alignof(T)) :
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(T*)CryModuleMalloc(sizeof(T));
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}
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template<class T>
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static void Deallocate(T* p)
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{
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if (NeedAlign<T>())
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{
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CryModuleMemalignFree(p);
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}
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else
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{
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CryModuleFree(p);
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}
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}
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template<class T>
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static size_t GetMemSize(const T* p)
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{
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return NeedAlign<T>() ?
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sizeof(T) + alignof(T) :
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sizeof(T);
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}
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template<typename T>
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void GetMemoryUsage(ICrySizer* pSizer) const { /*nothing*/}
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protected:
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template<class T>
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static bool NeedAlign()
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{ PREFAST_SUPPRESS_WARNING(6326); return alignof(T) > _ALIGNMENT; }
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};
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// Handy delete template function, for any allocator.
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template<class TAlloc, class T>
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void Delete(TAlloc& alloc, T* ptr)
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{
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if (ptr)
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{
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ptr->~T();
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alloc.Deallocate(ptr);
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}
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}
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#endif // CRYINCLUDE_CRYCOMMON_ALLOCATOR_H
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