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Diffstat (limited to 'PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcNpMemBlockPool.h')
| -rw-r--r-- | PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcNpMemBlockPool.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcNpMemBlockPool.h b/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcNpMemBlockPool.h new file mode 100644 index 00000000..8374cfa9 --- /dev/null +++ b/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcNpMemBlockPool.h @@ -0,0 +1,119 @@ +// 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 PXC_NP_MEM_BLOCK_POOL_H +#define PXC_NP_MEM_BLOCK_POOL_H + +#include "PxvConfig.h" +#include "PsArray.h" +#include "PxcScratchAllocator.h" + +namespace physx +{ +struct PxcNpMemBlock +{ + enum + { + SIZE = 16384 + }; + PxU8 data[SIZE]; +}; + +typedef Ps::Array<PxcNpMemBlock*> PxcNpMemBlockArray; + +class PxcNpMemBlockPool +{ + PX_NOCOPY(PxcNpMemBlockPool) +public: + PxcNpMemBlockPool(PxcScratchAllocator& allocator); + ~PxcNpMemBlockPool(); + + void init(PxU32 initial16KDataBlocks, PxU32 maxBlocks); + void flush(); + void setBlockCount(PxU32 count); + PxU32 getUsedBlockCount() const; + PxU32 getMaxUsedBlockCount() const; + PxU32 getPeakConstraintBlockCount() const; + void releaseUnusedBlocks(); + + PxcNpMemBlock* acquireConstraintBlock(); + PxcNpMemBlock* acquireConstraintBlock(PxcNpMemBlockArray& memBlocks); + PxcNpMemBlock* acquireContactBlock(); + PxcNpMemBlock* acquireFrictionBlock(); + PxcNpMemBlock* acquireNpCacheBlock(); + + PxU8* acquireExceptionalConstraintMemory(PxU32 size); + + void acquireConstraintMemory(); + void releaseConstraintMemory(); + void releaseConstraintBlocks(PxcNpMemBlockArray& memBlocks); + void releaseContacts(); + void swapFrictionStreams(); + void swapNpCacheStreams(); + + void flushUnused(); + +private: + + + Ps::Mutex mLock; + PxcNpMemBlockArray mConstraints; + PxcNpMemBlockArray mContacts[2]; + PxcNpMemBlockArray mFriction[2]; + PxcNpMemBlockArray mNpCache[2]; + PxcNpMemBlockArray mScratchBlocks; + Ps::Array<PxU8*> mExceptionalConstraints; + + PxcNpMemBlockArray mUnused; + + PxU32 mNpCacheActiveStream; + PxU32 mFrictionActiveStream; + PxU32 mCCDCacheActiveStream; + PxU32 mContactIndex; + PxU32 mAllocatedBlocks; + PxU32 mMaxBlocks; + PxU32 mInitialBlocks; + PxU32 mUsedBlocks; + PxU32 mMaxUsedBlocks; + PxcNpMemBlock* mScratchBlockAddr; + PxU32 mNbScratchBlocks; + PxcScratchAllocator& mScratchAllocator; + + PxU32 mPeakConstraintAllocations; + PxU32 mConstraintAllocations; + + PxcNpMemBlock* acquire(PxcNpMemBlockArray& trackingArray, PxU32* allocationCount = NULL, PxU32* peakAllocationCount = NULL, bool isScratchAllocation = false); + void release(PxcNpMemBlockArray& deadArray, PxU32* allocationCount = NULL); +}; + +} + +#endif |