Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 94 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/Common/src/CmTmpMem.h b/PhysX_3.4/Source/Common/src/CmTmpMem.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_COMMON_TMPMEM
+#define PX_PHYSICS_COMMON_TMPMEM
+
+#include "CmPhysXCommon.h"
+#include "PsAllocator.h"
+
+namespace physx
+{
+namespace Cm
+{
+	// dsequeira: we should be able to use PX_ALLOCA or Ps::InlineArray for this, but both seem slightly flawed:
+	//
+	//	PX_ALLOCA has non-configurable fallback threshold and uses _alloca, which means the allocation is necessarily
+	//	function-scope rather than block-scope (sometimes useful, mostly not.)
+	//
+	//	Ps::InlineArray touches all memory on resize (a general flaw in the array class which badly needs fixing)
+	//
+	//	Todo: fix both the above issues.
+
+	template<typename T, PxU32 stackLimit>
+	class TmpMem
+	{
+
+	public:
+		PX_FORCE_INLINE TmpMem(PxU32 size):
+		  mPtr(size<=stackLimit?mStackBuf : reinterpret_cast<T*>(PX_ALLOC(size*sizeof(T), "char")))
+		{
+		}
+
+		PX_FORCE_INLINE ~TmpMem()
+		{
+			if(mPtr!=mStackBuf)
+				PX_FREE(mPtr);
+		}
+
+		PX_FORCE_INLINE T& operator*() const
+	    {
+			return *mPtr;
+		}
+
+		PX_FORCE_INLINE T* operator->() const
+		{
+			return mPtr;
+		}
+	
+		PX_FORCE_INLINE T& operator[](PxU32 index)
+		{
+			return mPtr[index];
+		}
+
+		T* getBase()
+		{
+			return mPtr;
+		}
+
+	private:
+		T mStackBuf[stackLimit];
+		T* mPtr;
+	};
+}
+
+}
+
+#endif