120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
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//
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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) 2008-2019 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 PXC_NP_MEM_BLOCK_POOL_H
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#define PXC_NP_MEM_BLOCK_POOL_H
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#include "PxvConfig.h"
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#include "PsArray.h"
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#include "PxcScratchAllocator.h"
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namespace physx
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{
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struct PxcNpMemBlock
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{
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enum
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{
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SIZE = 16384
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};
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PxU8 data[SIZE];
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};
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typedef Ps::Array<PxcNpMemBlock*> PxcNpMemBlockArray;
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class PxcNpMemBlockPool
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{
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PX_NOCOPY(PxcNpMemBlockPool)
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public:
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PxcNpMemBlockPool(PxcScratchAllocator& allocator);
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~PxcNpMemBlockPool();
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void init(PxU32 initial16KDataBlocks, PxU32 maxBlocks);
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void flush();
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void setBlockCount(PxU32 count);
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PxU32 getUsedBlockCount() const;
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PxU32 getMaxUsedBlockCount() const;
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PxU32 getPeakConstraintBlockCount() const;
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void releaseUnusedBlocks();
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PxcNpMemBlock* acquireConstraintBlock();
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PxcNpMemBlock* acquireConstraintBlock(PxcNpMemBlockArray& memBlocks);
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PxcNpMemBlock* acquireContactBlock();
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PxcNpMemBlock* acquireFrictionBlock();
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PxcNpMemBlock* acquireNpCacheBlock();
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PxU8* acquireExceptionalConstraintMemory(PxU32 size);
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void acquireConstraintMemory();
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void releaseConstraintMemory();
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void releaseConstraintBlocks(PxcNpMemBlockArray& memBlocks);
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void releaseContacts();
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void swapFrictionStreams();
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void swapNpCacheStreams();
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void flushUnused();
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private:
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Ps::Mutex mLock;
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PxcNpMemBlockArray mConstraints;
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PxcNpMemBlockArray mContacts[2];
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PxcNpMemBlockArray mFriction[2];
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PxcNpMemBlockArray mNpCache[2];
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PxcNpMemBlockArray mScratchBlocks;
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Ps::Array<PxU8*> mExceptionalConstraints;
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PxcNpMemBlockArray mUnused;
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PxU32 mNpCacheActiveStream;
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PxU32 mFrictionActiveStream;
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PxU32 mCCDCacheActiveStream;
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PxU32 mContactIndex;
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PxU32 mAllocatedBlocks;
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PxU32 mMaxBlocks;
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PxU32 mInitialBlocks;
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PxU32 mUsedBlocks;
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PxU32 mMaxUsedBlocks;
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PxcNpMemBlock* mScratchBlockAddr;
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PxU32 mNbScratchBlocks;
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PxcScratchAllocator& mScratchAllocator;
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PxU32 mPeakConstraintAllocations;
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PxU32 mConstraintAllocations;
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PxcNpMemBlock* acquire(PxcNpMemBlockArray& trackingArray, PxU32* allocationCount = NULL, PxU32* peakAllocationCount = NULL, bool isScratchAllocation = false);
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void release(PxcNpMemBlockArray& deadArray, PxU32* allocationCount = NULL);
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};
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}
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#endif
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