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acc625609d
New class NCollection_AlignedAllocator. New macros STANDARD_ALIGNED. New methods Standard::AllocateAligned() and Standard::FreeAligned(). Add missing Standard_EXPORT
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// Created on: 2014-03-31
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// Created by: Kirill Gavrilov
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// Copyright (c) 2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef NCollection_AlignedAllocator_HeaderFile
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#define NCollection_AlignedAllocator_HeaderFile
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#include <NCollection_BaseAllocator.hxx>
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#include <Standard.hxx>
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//! NCollection allocator with managed memory alignment capabilities.
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class NCollection_AlignedAllocator : public NCollection_BaseAllocator
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{
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public:
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//! Constructor. The alignment should be specified explicitly:
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//! 16 bytes for SSE instructions
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//! 32 bytes for AVX instructions
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Standard_EXPORT NCollection_AlignedAllocator (const size_t theAlignment);
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//! Allocate memory with given size. Returns NULL on failure.
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Standard_EXPORT virtual void* Allocate (const size_t theSize);
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//! Free a previously allocated memory.
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Standard_EXPORT virtual void Free (void* thePtr);
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private:
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NCollection_AlignedAllocator (const NCollection_AlignedAllocator& );
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NCollection_AlignedAllocator& operator= (const NCollection_AlignedAllocator& );
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protected:
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size_t myAlignment; //!< alignment in bytes
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public:
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DEFINE_STANDARD_RTTI (NCollection_AlignedAllocator)
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};
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// Definition of HANDLE object using Standard_DefineHandle.hxx
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DEFINE_STANDARD_HANDLE (NCollection_AlignedAllocator, NCollection_BaseAllocator)
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#endif // NCollection_AlignedAllocator_HeaderFile
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