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Diffstat (limited to 'PxShared/src/foundation/include/PsInlineAllocator.h')
| -rw-r--r-- | PxShared/src/foundation/include/PsInlineAllocator.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/PxShared/src/foundation/include/PsInlineAllocator.h b/PxShared/src/foundation/include/PsInlineAllocator.h new file mode 100644 index 00000000..9e129f37 --- /dev/null +++ b/PxShared/src/foundation/include/PsInlineAllocator.h @@ -0,0 +1,91 @@ +// 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) 2008-2016 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 |