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// 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) 2008-2017 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_PHYSICS_EXTENSIONS_NP_SHARED_QUEUE_ENTRY_POOL_H
#define PX_PHYSICS_EXTENSIONS_NP_SHARED_QUEUE_ENTRY_POOL_H
#include "CmPhysXCommon.h"
#include "PsAllocator.h"
#include "PsArray.h"
#include "PsSList.h"
namespace physx
{
namespace Ext
{
class SharedQueueEntry : public Ps::SListEntry
{
public:
SharedQueueEntry(void* objectRef) : mObjectRef(objectRef), mPooledEntry(false) {}
SharedQueueEntry() : mObjectRef(NULL), mPooledEntry(true) {}
public:
void* mObjectRef;
bool mPooledEntry; // True if the entry was preallocated in a pool
};
#if PX_VC
#pragma warning(push)
#pragma warning(disable:4324) // Padding was added at the end of a structure because of a __declspec(align) value.
#endif // Because of the SList member I assume*/
template<class Alloc = typename Ps::AllocatorTraits<SharedQueueEntry>::Type >
class SharedQueueEntryPool : private Alloc
{
public:
SharedQueueEntryPool(PxU32 poolSize, const Alloc& alloc = Alloc(PX_DEBUG_EXP("SharedQueueEntryPool")));
~SharedQueueEntryPool();
SharedQueueEntry* getEntry(void* objectRef);
void putEntry(SharedQueueEntry& entry);
private:
SharedQueueEntry* mTaskEntryPool;
Ps::SList mTaskEntryPtrPool;
};
#if PX_VC
#pragma warning(pop)
#endif
} // namespace Ext
template <class Alloc>
Ext::SharedQueueEntryPool<Alloc>::SharedQueueEntryPool(PxU32 poolSize, const Alloc& alloc)
: Alloc(alloc)
{
Ps::AlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc("SharedQueueEntryPool");
mTaskEntryPool = poolSize ? reinterpret_cast<SharedQueueEntry*>(alignedAlloc.allocate(sizeof(SharedQueueEntry) * poolSize, __FILE__, __LINE__)) : NULL;
if (mTaskEntryPool)
{
for(PxU32 i=0; i < poolSize; i++)
{
PX_ASSERT((size_t(&mTaskEntryPool[i]) & (PX_SLIST_ALIGNMENT-1)) == 0); // The SList entry must be aligned according to PX_SLIST_ALIGNMENT
PX_PLACEMENT_NEW(&mTaskEntryPool[i], SharedQueueEntry)();
PX_ASSERT(mTaskEntryPool[i].mPooledEntry == true);
mTaskEntryPtrPool.push(mTaskEntryPool[i]);
}
}
}
template <class Alloc>
Ext::SharedQueueEntryPool<Alloc>::~SharedQueueEntryPool()
{
if (mTaskEntryPool)
{
Ps::AlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc("SharedQueueEntryPool");
alignedAlloc.deallocate(mTaskEntryPool);
}
}
template <class Alloc>
Ext::SharedQueueEntry* Ext::SharedQueueEntryPool<Alloc>::getEntry(void* objectRef)
{
SharedQueueEntry* e = static_cast<SharedQueueEntry*>(mTaskEntryPtrPool.pop());
if (e)
{
PX_ASSERT(e->mPooledEntry == true);
e->mObjectRef = objectRef;
return e;
}
else
{
Ps::AlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc;
e = reinterpret_cast<SharedQueueEntry*>(alignedAlloc.allocate(sizeof(SharedQueueEntry), __FILE__, __LINE__));
if (e)
{
PX_PLACEMENT_NEW(e, SharedQueueEntry)(objectRef);
PX_ASSERT(e->mPooledEntry == false);
}
return e;
}
}
template <class Alloc>
void Ext::SharedQueueEntryPool<Alloc>::putEntry(Ext::SharedQueueEntry& entry)
{
if (entry.mPooledEntry)
{
entry.mObjectRef = NULL;
mTaskEntryPtrPool.push(entry);
}
else
{
Ps::AlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc;
alignedAlloc.deallocate(&entry);
}
}
}
#endif
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