Add NvCloth dependency

Source/ThirdParty/NvCloth/ps/unix/PsUnixIntrinsics.h

@@ -0,0 +1,138 @@
+// 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) 2008-2020 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 PSFOUNDATION_PSUNIXINTRINSICS_H
+#define PSFOUNDATION_PSUNIXINTRINSICS_H
+
+#include "NvCloth/ps/Ps.h"
+#include "NvCloth/Callbacks.h"
+#include <math.h>
+
+#if PX_ANDROID || (PX_LINUX && !(PX_X64 || PX_X64)) // x86[_64] Linux uses inline assembly for debug break
+#include <signal.h> // for Ns::debugBreak() { raise(SIGTRAP); }
+#endif
+
+#if 0
+#include <libkern/OSAtomic.h>
+#endif
+
+// this file is for internal intrinsics - that is, intrinsics that are used in
+// cross platform code but do not appear in the API
+
+#if !(PX_LINUX || PX_ANDROID || PX_PS4 || PX_PS5 || PX_APPLE_FAMILY)
+#error "This file should only be included by unix builds!!"
+#endif
+
+/** \brief NVidia namespace */
+namespace nv
+{
+/** \brief nvcloth namespace */
+namespace cloth
+{
+namespace ps
+{
+
+
+PX_FORCE_INLINE void PxMemoryBarrier()
+{
+	__sync_synchronize();
+}
+
+/*!
+Return the index of the highest set bit. Undefined for zero arg.
+*/
+PX_INLINE uint32_t PxHighestSetBitUnsafe(uint32_t v)
+{
+
+	return 31 - __builtin_clz(v);
+}
+
+/*!
+Return the index of the highest set bit. Undefined for zero arg.
+*/
+PX_INLINE int32_t PxLowestSetBitUnsafe(uint32_t v)
+{
+	return __builtin_ctz(v);
+}
+
+/*!
+Returns the index of the highest set bit. Returns 32 for v=0.
+*/
+PX_INLINE uint32_t PxCountLeadingZeros(uint32_t v)
+{
+	if(v)
+		return __builtin_clz(v);
+	else
+		return 32;
+}
+
+/*!
+Prefetch aligned 64B x86, 32b ARM around \c ptr+offset.
+*/
+PX_FORCE_INLINE void PxPrefetchLine(const void* ptr, uint32_t offset = 0)
+{
+	__builtin_prefetch(reinterpret_cast<const char* PX_RESTRICT>(ptr) + offset, 0, 3);
+}
+
+/*!
+Prefetch \c count bytes starting at \c ptr.
+*/
+#if PX_ANDROID || PX_IOS
+PX_FORCE_INLINE void prefetch(const void* ptr, uint32_t count = 1)
+{
+	const char* cp = static_cast<const char*>(ptr);
+	size_t p = reinterpret_cast<size_t>(ptr);
+	uint32_t startLine = uint32_t(p >> 5), endLine = uint32_t((p + count - 1) >> 5);
+	uint32_t lines = endLine - startLine + 1;
+	do
+	{
+		PxPrefetchLine(cp);
+		cp += 32;
+	} while(--lines);
+}
+#else
+PX_FORCE_INLINE void prefetch(const void* ptr, uint32_t count = 1)
+{
+	const char* cp = reinterpret_cast<const char*>(ptr);
+	uint64_t p = size_t(ptr);
+	uint64_t startLine = p >> 6, endLine = (p + count - 1) >> 6;
+	uint64_t lines = endLine - startLine + 1;
+	do
+	{
+		PxPrefetchLine(cp);
+		cp += 64;
+	} while(--lines);
+}
+#endif
+
+} // namespace ps
+} // namespace cloth
+} // namespace nv
+
+#endif // #ifndef PSFOUNDATION_PSUNIXINTRINSICS_H