Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 202 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/Common/src/CmIDPool.h b/PhysX_3.4/Source/Common/src/CmIDPool.h
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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) 2008-2016 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_COMMON_ID_POOL
+#define PX_PHYSICS_COMMON_ID_POOL
+
+#include "foundation/Px.h"
+#include "CmPhysXCommon.h"
+#include "PsArray.h"
+#include "PsUserAllocated.h"
+
+namespace physx
+{
+namespace Cm
+{
+	template<class FreeBuffer>
+	class IDPoolBase : public Ps::UserAllocated
+	{
+	protected:
+		PxU32			mCurrentID;
+		FreeBuffer		mFreeIDs;
+	public:
+        IDPoolBase() : mCurrentID(0)	{}
+
+		void	freeID(PxU32 id)
+		{
+			// Allocate on first call
+			// Add released ID to the array of free IDs
+			if(id == (mCurrentID - 1))
+				--mCurrentID;
+			else
+				mFreeIDs.pushBack(id);
+		}
+
+		void	freeAll()
+		{
+			mCurrentID = 0;
+			mFreeIDs.clear();
+		}
+
+		PxU32	getNewID()
+		{
+			// If recycled IDs are available, use them
+			const PxU32 size = mFreeIDs.size();
+			if(size)
+			{
+				// Recycle last ID
+				return mFreeIDs.popBack();
+			}
+			// Else create a new ID
+			return mCurrentID++;
+		}
+
+		PxU32 getNumUsedID()	const
+		{
+			return mCurrentID - mFreeIDs.size();
+		}
+
+		PxU32 getMaxID() const
+		{
+			return mCurrentID;
+		}
+
+	};
+
+	//This class extends IDPoolBase. This is mainly used for when it is unsafe for the application to free the id immediately so that it can
+	//defer the free process until it is safe to do so
+	template<class FreeBuffer>
+	class DeferredIDPoolBase : public IDPoolBase<FreeBuffer>
+	{
+		FreeBuffer mDeferredFreeIDs;
+	public:
+		//release an index into the deferred list
+		void	deferredFreeID(PxU32 id)
+		{
+			mDeferredFreeIDs.pushBack(id);
+		}
+
+		//release the deferred indices into the free list
+		void processDeferredIds()
+		{
+			const PxU32 deferredFreeIDCount = mDeferredFreeIDs.size();
+			for(PxU32 a = 0; a < deferredFreeIDCount;++a)
+			{
+				this->mFreeIDs.pushBack(mDeferredFreeIDs[a]);
+			}
+			mDeferredFreeIDs.clear();
+		}
+
+		//release all indices
+		void	freeAll()
+		{
+			mDeferredFreeIDs.clear();
+			IDPoolBase<FreeBuffer>::freeAll();
+		}
+	};
+
+	//This is spu friendly fixed size array
+	template <typename T, uint32_t N>
+	class InlineFixedArray
+	{
+		T mArr[N];
+		PxU32 mSize;
+	public:
+
+		InlineFixedArray() : mSize(0)
+		{
+		}
+
+		~InlineFixedArray(){}
+
+		void pushBack(const T& t)
+		{
+			PX_ASSERT(mSize < N);
+			mArr[mSize++] = t;
+		}
+
+		T popBack()
+		{
+			PX_ASSERT(mSize > 0);
+			return mArr[--mSize];
+		}
+
+		void clear() { mSize = 0; }
+
+		T& operator [] (PxU32 index) { PX_ASSERT(index < N); return mArr[index]; }
+
+		const T& operator [] (PxU32 index) const { PX_ASSERT(index < N); return mArr[index]; }
+
+		PxU32 size() const { return mSize; }
+	};
+
+
+
+	//Fix size IDPool
+	template<PxU32 Capacity>
+	class InlineIDPool : public IDPoolBase<InlineFixedArray<PxU32, Capacity> >
+	{
+	public:
+		PxU32 getNumRemainingIDs()
+		{
+			return Capacity - this->getNumUsedID();
+		}
+	};
+
+	//Dynamic resize IDPool
+	class IDPool : public IDPoolBase<Ps::Array<PxU32> >
+	{
+	};
+
+
+	//This class is used to recycle indices. It supports deferred release, so that until processDeferredIds is called,
+	//released indices will not be reallocated. This class will fail if the calling code request more id than the InlineDeferredIDPoll
+	//has. It is the calling code's responsibility to ensure that this does not happen.
+	template<PxU32 Capacity>
+	class InlineDeferredIDPool : public DeferredIDPoolBase<InlineFixedArray<PxU32, Capacity> >
+	{
+	public:
+		PxU32 getNumRemainingIDs()
+		{
+			return Capacity - this->getNumUsedID();
+		}
+	};
+
+	//Dynamic resize DeferredIDPool
+	class DeferredIDPool : public DeferredIDPoolBase<Ps::Array<PxU32> >
+	{
+
+	};
+
+} // namespace Cm
+
+}
+
+#endif