1 files changed, 166 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcConstraintBlockStream.h b/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcConstraintBlockStream.h
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+++ b/PhysX_3.4/Source/LowLevel/common/include/pipeline/PxcConstraintBlockStream.h
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+// 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_CONSTRAINTBLOCKPOOL_H
+#define PXC_CONSTRAINTBLOCKPOOL_H
+
+#include "PxvConfig.h"
+#include "PsArray.h"
+#include "PsMutex.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