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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PSFOUNDATION_PSINLINEALLOCATOR_H
#define PSFOUNDATION_PSINLINEALLOCATOR_H
#include "PsUserAllocated.h"
namespace physx
{
namespace shdfnd
{
// this is used by the array class to allocate some space for a small number
// of objects along with the metadata
template <uint32_t N, typename BaseAllocator>
class InlineAllocator : private BaseAllocator
{
public:
InlineAllocator(const PxEMPTY v) : BaseAllocator(v)
{
}
InlineAllocator(const BaseAllocator& alloc = BaseAllocator()) : BaseAllocator(alloc), mBufferUsed(false)
{
}
InlineAllocator(const InlineAllocator& aloc) : BaseAllocator(aloc), mBufferUsed(false)
{
}
void* allocate(uint32_t size, const char* filename, int line)
{
if(!mBufferUsed && size <= N)
{
mBufferUsed = true;
return mBuffer;
}
return BaseAllocator::allocate(size, filename, line);
}
void deallocate(void* ptr)
{
if(ptr == mBuffer)
mBufferUsed = false;
else
BaseAllocator::deallocate(ptr);
}
PX_FORCE_INLINE uint8_t* getInlineBuffer()
{
return mBuffer;
}
PX_FORCE_INLINE bool isBufferUsed() const
{
return mBufferUsed;
}
protected:
uint8_t mBuffer[N];
bool mBufferUsed;
};
} // namespace shdfnd
} // namespace physx
#endif // #ifndef PSFOUNDATION_PSINLINEALLOCATOR_H
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