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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h')
| -rw-r--r-- | PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h b/PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h new file mode 100644 index 00000000..229ea340 --- /dev/null +++ b/PhysX_3.4/Source/SceneQuery/src/SqPruningPool.h @@ -0,0 +1,120 @@ +// 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 SQ_PRUNINGPOOL_H +#define SQ_PRUNINGPOOL_H + +#include "SqPruner.h" +#include "SqTypedef.h" +#include "SqBounds.h" + +namespace physx +{ +namespace Sq +{ + // This class is designed to maintain a two way mapping between pair(PrunerPayload,AABB) and PrunerHandle + // Internally there's also an index for handles (AP: can be simplified?) + // This class effectively stores bounded pruner payloads, returns a PrunerHandle and allows O(1) + // access to them using a PrunerHandle + // Supported operations are add, remove, update bounds + class PruningPool + { + public: + PruningPool(); + ~PruningPool(); + + PX_FORCE_INLINE const PrunerPayload& getPayload(PrunerHandle handle) const { return mObjects[getIndex(handle)]; } + + PX_FORCE_INLINE const PrunerPayload& getPayload(PrunerHandle handle, PxBounds3*& bounds) const + { + const PoolIndex index = getIndex(handle); + bounds = mWorldBoxes + index; + return mObjects[index]; + } + + void shiftOrigin(const PxVec3& shift); + + // PT: adds 'count' objects to the pool. Needs 'count' bounds and 'count' payloads passed as input. Writes out 'count' handles + // in 'results' array. Function returns number of successfully added objects, ideally 'count' but can be less in case we run + // out of memory. + PxU32 addObjects(PrunerHandle* results, const PxBounds3* bounds, const PrunerPayload* payload, PxU32 count); + + // this function will swap the last object with the hole formed by removed PrunerHandle object + // and return the removed last object's index in the pool + PoolIndex removeObject(PrunerHandle h); + + // Data access + PX_FORCE_INLINE PoolIndex getIndex(PrunerHandle h)const { return mHandleToIndex[h]; } + PX_FORCE_INLINE PrunerPayload* getObjects() const { return mObjects; } + PX_FORCE_INLINE PxU32 getNbActiveObjects() const { return mNbObjects; } + PX_FORCE_INLINE const PxBounds3* getCurrentWorldBoxes() const { return mWorldBoxes; } + PX_FORCE_INLINE PxBounds3* getCurrentWorldBoxes() { return mWorldBoxes; } + + PX_FORCE_INLINE void setWorldAABB(PrunerHandle h, const PxBounds3& worldAABB) + { + mWorldBoxes[getIndex(h)] = worldAABB; + } + + PX_FORCE_INLINE const PxBounds3& getWorldAABB(PrunerHandle h) const + { + return mWorldBoxes[getIndex(h)]; + } + + PX_FORCE_INLINE void updateObjects(const PrunerHandle* handles, const PxU32* indices, const PxBounds3* newBounds, PxU32 count) + { + for(PxU32 i=0; i<count; i++) + Sq::inflateBounds(mWorldBoxes[getIndex(handles[i])], newBounds[indices[i]]); + } + + void preallocate(PxU32 entries); +// protected: + + PxU32 mNbObjects; //!< Current number of objects + PxU32 mMaxNbObjects; //!< Max. number of objects (capacity for mWorldBoxes, mObjects) + + //!< these arrays are parallel + PxBounds3* mWorldBoxes; //!< List of world boxes, stores mNbObjects, capacity=mMaxNbObjects + PrunerPayload* mObjects; //!< List of objects, stores mNbObjects, capacity=mMaxNbObjects +// private: + PoolIndex* mHandleToIndex; //!< Maps from PrunerHandle to internal index (payload index in mObjects) + PrunerHandle* mIndexToHandle; //!< Inverse map from objectIndex to PrunerHandle + + // this is the head of a list of holes formed in mHandleToIndex + // by removed handles + // the rest of the list is stored in holes in mHandleToIndex (in place) + PrunerHandle mFirstRecycledHandle; + + bool resize(PxU32 newCapacity); + }; + +} // namespace Sq + +} + +#endif // SQ_PRUNINGPOOL_H |