00001 // This code contains NVIDIA Confidential Information and is disclosed to you
00002 // under a form of NVIDIA software license agreement provided separately to you.
00003 //
00004 // Notice
00005 // NVIDIA Corporation and its licensors retain all intellectual property and
00006 // proprietary rights in and to this software and related documentation and
00007 // any modifications thereto. Any use, reproduction, disclosure, or
00008 // distribution of this software and related documentation without an express
00009 // license agreement from NVIDIA Corporation is strictly prohibited.
00010 //
00011 // ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
00012 // NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
00013 // THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
00014 // MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
00015 //
00016 // Information and code furnished is believed to be accurate and reliable.
00017 // However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
00018 // information or for any infringement of patents or other rights of third parties that may
00019 // result from its use. No license is granted by implication or otherwise under any patent
00020 // or patent rights of NVIDIA Corporation. Details are subject to change without notice.
00021 // This code supersedes and replaces all information previously supplied.
00022 // NVIDIA Corporation products are not authorized for use as critical
00023 // components in life support devices or systems without express written approval of
00024 // NVIDIA Corporation.
00025 //
00026 // Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
00027 // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
00028 // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
00029 
00030 
00031 #ifndef PX_PHYSICS_EXTENSIONS_PARTICLEEXT_H
00032 #define PX_PHYSICS_EXTENSIONS_PARTICLEEXT_H
00033 
00037 #include "PxPhysXConfig.h"
00038 #include "foundation/PxStrideIterator.h"
00039 #include "foundation/PxBounds3.h"
00040 
00041 #if !PX_DOXYGEN
00042 namespace physx
00043 {
00044 #endif
00045 
00050 class PX_DEPRECATED PxParticleExt
00051 {
00052 public:
00053 
00054     struct ParticleBounds
00055     {
00056         PxBounds3 bounds;
00057         PxU32 firstParticle;
00058         PxU32 numParticles;     
00059     };
00060 
00098     static PxU32 buildBoundsHash(PxU32* sortedParticleIndices,
00099                                  ParticleBounds* particleBounds,
00100                                  const PxStrideIterator<const PxVec3>& positionBuffer,
00101                                  const PxU32 validParticleRange,
00102                                  const PxU32* validParticleBitmap,
00103                                  const PxU32 hashSize,
00104                                  const PxU32 maxBounds,
00105                                  const PxReal gridSpacing);
00106 
00116     class IndexPool
00117     {
00118     public:
00125         virtual     PxU32   allocateIndices(PxU32 num, const PxStrideIterator<PxU32>& indexBuffer)      = 0;
00126         
00133         virtual     void    freeIndices(PxU32 num, const PxStrideIterator<const PxU32>& indexBuffer)    = 0;
00134         
00138         virtual     void    freeIndices()                                                               = 0;
00139         
00143         virtual     void    release()                                                                   = 0;
00144 
00148         virtual ~IndexPool() {}
00149     };
00150 
00155     static IndexPool* createIndexPool(PxU32 maxParticles);
00156     
00163     static IndexPool* createIndexPool(PxU32 maxParticles, PxU32 validParticleRange, const PxU32* validParticleBitmap);
00164 
00165 };
00166 
00167 #if !PX_DOXYGEN
00168 } // namespace physx
00169 #endif
00170 
00172 #endif