feat(physics): wire physx sdk into build
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engine/third_party/physx/source/physxextensions/src/ExtSharedQueueEntryPool.h
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151
engine/third_party/physx/source/physxextensions/src/ExtSharedQueueEntryPool.h
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef EXT_SHARED_QUEUE_ENTRY_POOL_H
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#define EXT_SHARED_QUEUE_ENTRY_POOL_H
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#include "foundation/PxAllocator.h"
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#include "foundation/PxArray.h"
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#include "foundation/PxSList.h"
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namespace physx
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{
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namespace Ext
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{
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class SharedQueueEntry : public PxSListEntry
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{
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public:
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SharedQueueEntry(void* objectRef) : mObjectRef(objectRef), mPooledEntry(false) {}
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SharedQueueEntry() : mObjectRef(NULL), mPooledEntry(true) {}
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public:
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void* mObjectRef;
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bool mPooledEntry; // True if the entry was preallocated in a pool
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};
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#if PX_VC
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#pragma warning(push)
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#pragma warning(disable:4324) // Padding was added at the end of a structure because of a __declspec(align) value.
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#endif // Because of the SList member I assume*/
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template<class Alloc = typename PxAllocatorTraits<SharedQueueEntry>::Type >
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class SharedQueueEntryPool : private Alloc
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{
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public:
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SharedQueueEntryPool(PxU32 poolSize, const Alloc& alloc = Alloc("SharedQueueEntryPool"));
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~SharedQueueEntryPool();
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SharedQueueEntry* getEntry(void* objectRef);
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void putEntry(SharedQueueEntry& entry);
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private:
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SharedQueueEntry* mTaskEntryPool;
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PxSList mTaskEntryPtrPool;
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};
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#if PX_VC
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#pragma warning(pop)
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#endif
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template <class Alloc>
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SharedQueueEntryPool<Alloc>::SharedQueueEntryPool(PxU32 poolSize, const Alloc& alloc)
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: Alloc(alloc)
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{
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PxAlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc("SharedQueueEntryPool");
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mTaskEntryPool = poolSize ? reinterpret_cast<SharedQueueEntry*>(alignedAlloc.allocate(sizeof(SharedQueueEntry) * poolSize, PX_FL)) : NULL;
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if (mTaskEntryPool)
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{
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for(PxU32 i=0; i < poolSize; i++)
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{
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PX_ASSERT((size_t(&mTaskEntryPool[i]) & (PX_SLIST_ALIGNMENT-1)) == 0); // The SList entry must be aligned according to PX_SLIST_ALIGNMENT
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PX_PLACEMENT_NEW(&mTaskEntryPool[i], SharedQueueEntry)();
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PX_ASSERT(mTaskEntryPool[i].mPooledEntry == true);
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mTaskEntryPtrPool.push(mTaskEntryPool[i]);
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}
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}
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}
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template <class Alloc>
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SharedQueueEntryPool<Alloc>::~SharedQueueEntryPool()
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{
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if (mTaskEntryPool)
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{
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PxAlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc("SharedQueueEntryPool");
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alignedAlloc.deallocate(mTaskEntryPool);
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}
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}
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template <class Alloc>
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SharedQueueEntry* SharedQueueEntryPool<Alloc>::getEntry(void* objectRef)
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{
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SharedQueueEntry* e = static_cast<SharedQueueEntry*>(mTaskEntryPtrPool.pop());
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if (e)
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{
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PX_ASSERT(e->mPooledEntry == true);
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e->mObjectRef = objectRef;
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return e;
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}
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else
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{
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PxAlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc;
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e = reinterpret_cast<SharedQueueEntry*>(alignedAlloc.allocate(sizeof(SharedQueueEntry), PX_FL));
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if (e)
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{
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PX_PLACEMENT_NEW(e, SharedQueueEntry)(objectRef);
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PX_ASSERT(e->mPooledEntry == false);
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}
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return e;
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}
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}
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template <class Alloc>
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void SharedQueueEntryPool<Alloc>::putEntry(SharedQueueEntry& entry)
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{
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if (entry.mPooledEntry)
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{
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entry.mObjectRef = NULL;
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mTaskEntryPtrPool.push(entry);
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}
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else
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{
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PxAlignedAllocator<PX_SLIST_ALIGNMENT, Alloc> alignedAlloc;
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alignedAlloc.deallocate(&entry);
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}
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}
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} // namespace Ext
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} // namespace physx
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#endif
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