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- // Copyright (c) 2008-2026 NVIDIA Corporation. All rights reserved.
+ // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
- // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+ // SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ // SPDX-License-Identifier: Apache-2.0
#ifndef PXC_CONSTRAINT_BLOCK_POOL_H
#define PXC_CONSTRAINT_BLOCK_POOL_H
#include "PxPhysXConfig.h"
#include "foundation/PxArray.h"
#include "foundation/PxMutex.h"
#include "PxcNpMemBlockPool.h"
namespace physx
{
class PxsConstraintBlockManager
{
public:
PxsConstraintBlockManager(PxcNpMemBlockPool & blockPool):
mBlockPool(blockPool)
{
}
PX_FORCE_INLINE void reset()
{
mBlockPool.releaseConstraintBlocks(mTrackingArray);
}
PxcNpMemBlockArray mTrackingArray;
PxcNpMemBlockPool& mBlockPool;
private:
PxsConstraintBlockManager& operator=(const PxsConstraintBlockManager&);
};
class PxcConstraintBlockStream
{
PX_NOCOPY(PxcConstraintBlockStream)
public:
PxcConstraintBlockStream(PxcNpMemBlockPool & blockPool) :
mBlockPool (blockPool),
mBlock (NULL),
mUsed (0)
{
}
PX_FORCE_INLINE PxU8* reserve(PxU32 size, PxsConstraintBlockManager& manager)
{
size = (size+15)&~15;
if(size>PxcNpMemBlock::SIZE)
return mBlockPool.acquireExceptionalConstraintMemory(size);
if(mBlock == NULL || size+mUsed>PxcNpMemBlock::SIZE)
{
mBlock = mBlockPool.acquireConstraintBlock(manager.mTrackingArray);
PX_ASSERT(0==mBlock || mBlock->data == reinterpret_cast<PxU8*>(mBlock));
mUsed = size;
return reinterpret_cast<PxU8*>(mBlock);
}
PX_ASSERT(mBlock && mBlock->data == reinterpret_cast<PxU8*>(mBlock));
PxU8* PX_RESTRICT result = mBlock->data+mUsed;
mUsed += size;
return result;
}
PX_FORCE_INLINE void reset()
{
mBlock = NULL;
mUsed = 0;
}
PX_FORCE_INLINE PxcNpMemBlockPool& getMemBlockPool() { return mBlockPool; }
private:
PxcNpMemBlockPool& mBlockPool;
PxcNpMemBlock* mBlock; // current constraint block
PxU32 mUsed; // number of bytes used in constraint block
//Tracking peak allocations
PxU32 mPeakUsed;
};
class PxcContactBlockStream
{
PX_NOCOPY(PxcContactBlockStream)
public:
PxcContactBlockStream(PxcNpMemBlockPool & blockPool):
mBlockPool(blockPool),
mBlock(NULL),
mUsed(0)
{
}
PX_FORCE_INLINE PxU8* reserve(PxU32 size)
{
size = (size+15)&~15;
if(size>PxcNpMemBlock::SIZE)
return mBlockPool.acquireExceptionalConstraintMemory(size);
PX_ASSERT(size <= PxcNpMemBlock::SIZE);
if(mBlock == NULL || size+mUsed>PxcNpMemBlock::SIZE)
{
mBlock = mBlockPool.acquireContactBlock();
PX_ASSERT(0==mBlock || mBlock->data == reinterpret_cast<PxU8*>(mBlock));
mUsed = size;
return reinterpret_cast<PxU8*>(mBlock);
}
PX_ASSERT(mBlock && mBlock->data == reinterpret_cast<PxU8*>(mBlock));
PxU8* PX_RESTRICT result = mBlock->data+mUsed;
mUsed += size;
return result;
}
PX_FORCE_INLINE void reset()
{
mBlock = NULL;
mUsed = 0;
}
PX_FORCE_INLINE PxcNpMemBlockPool& getMemBlockPool() { return mBlockPool; }
private:
PxcNpMemBlockPool& mBlockPool;
PxcNpMemBlock* mBlock; // current constraint block
PxU32 mUsed; // number of bytes used in constraint block
};
}
#endif