90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://www.reactphysics3d.com *
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* Copyright (c) 2010-2018 Daniel Chappuis *
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*********************************************************************************
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* *
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* This software is provided 'as-is', without any express or implied warranty. *
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* In no event will the authors be held liable for any damages arising from the *
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* use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute it *
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* freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must not be *
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* misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source distribution. *
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* *
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********************************************************************************/
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#ifndef REACTPHYSICS3D_MEMORY_ALLOCATOR_H
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#define REACTPHYSICS3D_MEMORY_ALLOCATOR_H
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// Libraries
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#include <cstring>
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/// ReactPhysics3D namespace
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namespace reactphysics3d {
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// Class MemoryAllocator
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/**
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* Abstract class with the basic interface of all the derived memory allocators
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*/
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class MemoryAllocator {
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public:
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/// Constructor
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MemoryAllocator() = default;
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/// Destructor
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virtual ~MemoryAllocator() = default;
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/// Assignment operator
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MemoryAllocator& operator=(MemoryAllocator& allocator) = default;
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/// Allocate memory of a given size (in bytes) and return a pointer to the
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/// allocated memory.
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virtual void* allocate(size_t size)=0;
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/// Release previously allocated memory.
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virtual void release(void* pointer, size_t size)=0;
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};
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/**
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* Abstract class with the basic interface of all single frames memory allocators
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*/
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class SingleFrameAllocator : public MemoryAllocator{
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public:
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/// Constructor
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SingleFrameAllocator() = default;
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/// Destructor
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virtual ~SingleFrameAllocator() override = default;
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/// Assignment operator
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SingleFrameAllocator& operator=(SingleFrameAllocator& allocator) = default;
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/// Allocate memory of a given size (in bytes) and return a pointer to the
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/// allocated memory.
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virtual void* allocate(size_t size) override =0;
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/// Release previously allocated memory.
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virtual void release(void* pointer, size_t size) override =0;
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/// Reset the marker of the current allocated memory
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virtual void reset()=0;
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};
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}
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#endif
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