109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
// 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) 2008-2023 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_FAMILY || PX_LINUX_FAMILY || PX_SWITCH
|
|
#include <malloc.h>
|
|
#endif
|
|
|
|
#if !PX_DOXYGEN
|
|
namespace physx
|
|
{
|
|
#endif
|
|
|
|
#if PX_WINDOWS_FAMILY
|
|
// 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:
|
|
virtual void* allocate(size_t size, const char*, const char*, int)
|
|
{
|
|
void* ptr = platformAlignedAlloc(size);
|
|
PX_ASSERT((size_t(ptr) & 15)==0);
|
|
return ptr;
|
|
}
|
|
|
|
virtual void deallocate(void* ptr)
|
|
{
|
|
platformAlignedFree(ptr);
|
|
}
|
|
};
|
|
|
|
#if !PX_DOXYGEN
|
|
} // namespace physx
|
|
#endif
|
|
|
|
/** @} */
|
|
#endif
|