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//
// 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) 2008-2018 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 PX_DEFAULT_ALLOCATOR_H
#define PX_DEFAULT_ALLOCATOR_H
/** \addtogroup extensions
@{
*/
#include "foundation/PxAllocatorCallback.h"
#include "foundation/PxAssert.h"
#include "common/PxPhysXCommonConfig.h"
#include <stdlib.h>
#if PX_WINDOWS || PX_LINUX_FAMILY || PX_SWITCH
#include <malloc.h>
#endif
#if !PX_DOXYGEN
namespace physx
{
#endif
#if PX_WINDOWS
// on win32 we only have 8-byte alignment guaranteed, but the CRT provides special aligned allocation fns
PX_FORCE_INLINE void* platformAlignedAlloc(size_t size)
{
return _aligned_malloc(size, 16);
}
PX_FORCE_INLINE void platformAlignedFree(void* ptr)
{
_aligned_free(ptr);
}
#elif PX_LINUX_FAMILY || PX_SWITCH
PX_FORCE_INLINE void* platformAlignedAlloc(size_t size)
{
return ::memalign(16, size);
}
PX_FORCE_INLINE void platformAlignedFree(void* ptr)
{
::free(ptr);
}
#else
// on all other platforms we get 16-byte alignment by default
PX_FORCE_INLINE void* platformAlignedAlloc(size_t size)
{
return ::malloc(size);
}
PX_FORCE_INLINE void platformAlignedFree(void* ptr)
{
::free(ptr);
}
#endif
/**
\brief default implementation of the allocator interface required by the SDK
*/
class PxDefaultAllocator : public PxAllocatorCallback
{
public:
void* allocate(size_t size, const char*, const char*, int)
{
void* ptr = platformAlignedAlloc(size);
PX_ASSERT((reinterpret_cast<size_t>(ptr) & 15)==0);
return ptr;
}
void deallocate(void* ptr)
{
platformAlignedFree(ptr);
}
};
#if !PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif
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