1.1.6 Release.1.1.6

1 files changed, 96 insertions, 0 deletions

diff --git a/NvCloth/src/ps/windows/PsWindowsAtomic.cpp b/NvCloth/src/ps/windows/PsWindowsAtomic.cpp
new file mode 100644
index 0000000..c78728f
--- /dev/null
+++ b/NvCloth/src/ps/windows/PsWindowsAtomic.cpp
@@ -0,0 +1,96 @@
+// 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) 2008-2017 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#include "PsWindowsInclude.h"
+#include "NvCloth/ps/PsAtomic.h"
+
+namespace physx
+{
+namespace shdfnd
+{
+
+int32_t atomicExchange(volatile int32_t* val, int32_t val2)
+{
+	return (int32_t)InterlockedExchange((volatile LONG*)val, (LONG)val2);
+}
+
+int32_t atomicCompareExchange(volatile int32_t* dest, int32_t exch, int32_t comp)
+{
+	return (int32_t)InterlockedCompareExchange((volatile LONG*)dest, exch, comp);
+}
+
+void* atomicCompareExchangePointer(volatile void** dest, void* exch, void* comp)
+{
+	return InterlockedCompareExchangePointer((volatile PVOID*)dest, exch, comp);
+}
+
+int32_t atomicIncrement(volatile int32_t* val)
+{
+	return (int32_t)InterlockedIncrement((volatile LONG*)val);
+}
+
+int32_t atomicDecrement(volatile int32_t* val)
+{
+	return (int32_t)InterlockedDecrement((volatile LONG*)val);
+}
+
+int32_t atomicAdd(volatile int32_t* val, int32_t delta)
+{
+	LONG newValue, oldValue;
+	do
+	{
+		oldValue = *val;
+		newValue = oldValue + delta;
+	} while(InterlockedCompareExchange((volatile LONG*)val, newValue, oldValue) != oldValue);
+
+	return newValue;
+}
+
+int32_t atomicMax(volatile int32_t* val, int32_t val2)
+{
+	// Could do this more efficiently in asm...
+
+	LONG newValue, oldValue;
+
+	do
+	{
+		oldValue = *val;
+
+		if(val2 > oldValue)
+			newValue = val2;
+		else
+			newValue = oldValue;
+
+	} while(InterlockedCompareExchange((volatile LONG*)val, newValue, oldValue) != oldValue);
+
+	return newValue;
+}
+
+} // namespace shdfnd
+} // namespace physx