GRK/dependencies/physx-4.1/source/foundation/include/PsTempAllocator.h

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2022-01-12 16:07:16 +01:00
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2019 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_PSTEMPALLOCATOR_H
#define PSFOUNDATION_PSTEMPALLOCATOR_H
#include "PsAllocator.h"
namespace physx
{
namespace shdfnd
{
union TempAllocatorChunk
{
TempAllocatorChunk() : mNext(0)
{
}
TempAllocatorChunk* mNext; // while chunk is free
uint32_t mIndex; // while chunk is allocated
uint8_t mPad[16]; // 16 byte aligned allocations
};
class TempAllocator
{
public:
PX_FORCE_INLINE TempAllocator(const char* = 0)
{
}
PX_FOUNDATION_API void* allocate(size_t size, const char* file, int line);
PX_FOUNDATION_API void deallocate(void* ptr);
};
} // namespace shdfnd
} // namespace physx
#endif // #ifndef PSFOUNDATION_PSTEMPALLOCATOR_H