Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 172 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/SimulationController/src/ScContactReportBuffer.h b/PhysX_3.4/Source/SimulationController/src/ScContactReportBuffer.h
new file mode 100644
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+++ b/PhysX_3.4/Source/SimulationController/src/ScContactReportBuffer.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 PX_PHYSICS_SCP_CONTACTREPORTBUFFER
+#define PX_PHYSICS_SCP_CONTACTREPORTBUFFER
+
+#include "foundation/Px.h"
+
+namespace physx
+{
+	namespace Sc
+	{
+		class ContactReportBuffer
+		{
+		public:
+			PX_FORCE_INLINE ContactReportBuffer(PxU32 initialSize, bool noResizeAllowed)
+				: mBuffer(NULL)
+				 ,mCurrentBufferIndex(0)
+				 ,mCurrentBufferSize(initialSize)
+				 ,mDefaultBufferSize(initialSize)
+				 ,mLastBufferIndex(0)
+				 ,mAllocationLocked(noResizeAllowed)
+			{
+				mBuffer = allocateBuffer(initialSize);
+				PX_ASSERT(mBuffer);
+			}
+
+			~ContactReportBuffer()
+			{
+				PX_FREE(mBuffer);
+			}
+
+			PX_FORCE_INLINE void					reset();
+			PX_FORCE_INLINE void					flush();
+
+			PX_FORCE_INLINE PxU8*					allocateNotThreadSafe(PxU32 size, PxU32& index, PxU32 alignment= 16);
+			PX_FORCE_INLINE PxU8*					reallocateNotThreadSafe(PxU32 size, PxU32& index, PxU32 alignment= 16, PxU32 lastIndex = 0xFFFFFFFF);
+			PX_FORCE_INLINE	PxU8*					getData(const PxU32& index) const { return mBuffer+index; }
+
+			PX_FORCE_INLINE PxU32					getDefaultBufferSize() const {return mDefaultBufferSize;}
+
+		private:
+			PX_FORCE_INLINE PxU8* allocateBuffer(PxU32 size);
+
+		private:
+			PxU8*			mBuffer;
+			PxU32			mCurrentBufferIndex;
+			PxU32			mCurrentBufferSize;
+			PxU32			mDefaultBufferSize;
+			PxU32			mLastBufferIndex;
+			bool			mAllocationLocked;
+		};
+
+	} // namespace Sc
+
+	//////////////////////////////////////////////////////////////////////////
+
+	PX_FORCE_INLINE void Sc::ContactReportBuffer::reset()
+	{
+		mCurrentBufferIndex = 0;	
+		mLastBufferIndex = 0xFFFFFFFF;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+
+	void Sc::ContactReportBuffer::flush()
+	{
+		mCurrentBufferIndex = 0;
+		mLastBufferIndex = 0xFFFFFFFF;
+
+		if(mCurrentBufferSize != mDefaultBufferSize)
+		{
+			PX_FREE(mBuffer);
+
+			mBuffer = allocateBuffer(mDefaultBufferSize);
+			PX_ASSERT(mBuffer);
+
+			mCurrentBufferSize = mDefaultBufferSize;			
+		}
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+
+	PxU8* Sc::ContactReportBuffer::allocateNotThreadSafe(PxU32 size, PxU32& index ,PxU32 alignment/* =16 */)
+	{
+		PX_ASSERT(shdfnd::isPowerOfTwo(alignment));
+		
+		// padding for alignment
+		PxU32 pad = ((mCurrentBufferIndex+alignment-1)&~(alignment-1)) - mCurrentBufferIndex;
+
+		index = mCurrentBufferIndex + pad;
+
+		if (index + size > mCurrentBufferSize)
+		{			
+			if(mAllocationLocked)
+				return NULL;
+
+			PxU32 oldBufferSize = mCurrentBufferSize;
+			while(index + size > mCurrentBufferSize)
+			{
+				mCurrentBufferSize *= 2;
+			}
+			
+			PxU8* tempBuffer = allocateBuffer(mCurrentBufferSize);
+
+			PxMemCopy(tempBuffer,mBuffer,oldBufferSize);
+
+			PX_FREE(mBuffer);
+
+			mBuffer = tempBuffer;
+		}
+
+		
+		PxU8* ptr = mBuffer + index;
+		mLastBufferIndex = index;
+		PX_ASSERT((reinterpret_cast<size_t>(ptr)&(alignment-1)) == 0);	
+		mCurrentBufferIndex += size + pad;
+		return ptr;
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+
+	PxU8* Sc::ContactReportBuffer::reallocateNotThreadSafe(PxU32 size, PxU32& index ,PxU32 alignment/* =16 */, PxU32 lastIndex)
+	{		
+		if(lastIndex != mLastBufferIndex)
+		{
+			return allocateNotThreadSafe(size,index,alignment);
+		}
+		else
+		{
+			mCurrentBufferIndex = mLastBufferIndex;
+			return allocateNotThreadSafe(size,index,alignment);
+		}
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+
+	PX_FORCE_INLINE PxU8* Sc::ContactReportBuffer::allocateBuffer(PxU32 size)
+	{
+		return (static_cast<PxU8*>(PX_ALLOC(size, "ContactReportBuffer")));
+	}
+
+} // namespace physx
+
+#endif // PX_PHYSICS_SCP_CONTACTREPORTBUFFER