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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_XML_MEMORY_ALLOCATOR_H
#define PX_XML_MEMORY_ALLOCATOR_H
#include "foundation/PxSimpleTypes.h"
namespace physx {
class XmlMemoryAllocator
{
protected:
virtual ~XmlMemoryAllocator(){}
public:
virtual PxU8* allocate(PxU32 inSize) = 0;
virtual void deallocate( PxU8* inMem ) = 0;
virtual PxAllocatorCallback& getAllocator() = 0;
template<typename TObjectType>
TObjectType* allocate()
{
TObjectType* retval = reinterpret_cast< TObjectType* >( allocate( sizeof( TObjectType ) ) );
new (retval) TObjectType();
return retval;
}
template<typename TObjectType, typename TArgType>
TObjectType* allocate(const TArgType &arg)
{
TObjectType* retval = reinterpret_cast< TObjectType* >( allocate( sizeof( TObjectType ) ) );
new (retval) TObjectType(arg);
return retval;
}
template<typename TObjectType>
void deallocate( TObjectType* inObject )
{
deallocate( reinterpret_cast<PxU8*>( inObject ) );
}
template<typename TObjectType>
inline TObjectType* batchAllocate(PxU32 inCount )
{
TObjectType* retval = reinterpret_cast<TObjectType*>( allocate( sizeof(TObjectType) * inCount ) );
for ( PxU32 idx = 0; idx < inCount; ++idx )
{
new (retval + idx) TObjectType();
}
return retval;
}
template<typename TObjectType, typename TArgType>
inline TObjectType* batchAllocate(PxU32 inCount, const TArgType &arg)
{
TObjectType* retval = reinterpret_cast<TObjectType*>( allocate( sizeof(TObjectType) * inCount ) );
for ( PxU32 idx = 0; idx < inCount; ++idx )
{
new (retval + idx) TObjectType(arg);
}
return retval;
}
//Duplicate function definition for gcc.
template<typename TObjectType>
inline TObjectType* batchAllocate(TObjectType*, PxU32 inCount )
{
TObjectType* retval = reinterpret_cast<TObjectType*>( allocate( sizeof(TObjectType) * inCount ) );
for ( PxU32 idx = 0; idx < inCount; ++idx )
{
new (retval + idx) TObjectType();
}
return retval;
}
};
struct XmlMemoryAllocatorImpl : public XmlMemoryAllocator
{
Sn::TMemoryPoolManager mManager;
XmlMemoryAllocatorImpl( PxAllocatorCallback& inAllocator )
: mManager( inAllocator )
{
}
XmlMemoryAllocatorImpl &operator=(const XmlMemoryAllocatorImpl &);
virtual PxAllocatorCallback& getAllocator()
{
return mManager.getWrapper().getAllocator();
}
virtual PxU8* allocate(PxU32 inSize )
{
if ( !inSize )
return NULL;
return mManager.allocate( inSize );
}
virtual void deallocate( PxU8* inMem )
{
if ( inMem )
mManager.deallocate( inMem );
}
};
}
#endif
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