NvCloth library v1.0.0

4 files changed, 204 insertions, 0 deletions

diff --git a/NvCloth/src/neon/NeonCollision.cpp b/NvCloth/src/neon/NeonCollision.cpp
new file mode 100644
index 0000000..fe45778
--- /dev/null
+++ b/NvCloth/src/neon/NeonCollision.cpp
@@ -0,0 +1,34 @@
+// 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.
+
+#ifndef __ARM_NEON__
+#error This file needs to be compiled with NEON support!
+#endif
+
+#include "SwCollision.cpp"
diff --git a/NvCloth/src/neon/NeonSelfCollision.cpp b/NvCloth/src/neon/NeonSelfCollision.cpp
new file mode 100644
index 0000000..8faa407
--- /dev/null
+++ b/NvCloth/src/neon/NeonSelfCollision.cpp
@@ -0,0 +1,34 @@
+// 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.
+
+#ifndef __ARM_NEON__
+#error This file needs to be compiled with NEON support!
+#endif
+
+#include "SwSelfCollision.cpp"
diff --git a/NvCloth/src/neon/NeonSolverKernel.cpp b/NvCloth/src/neon/NeonSolverKernel.cpp
new file mode 100644
index 0000000..4d6de68
--- /dev/null
+++ b/NvCloth/src/neon/NeonSolverKernel.cpp
@@ -0,0 +1,49 @@
+// 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.
+
+#ifndef __ARM_NEON__
+#error This file needs to be compiled with NEON support!
+#endif
+
+#include "SwSolverKernel.cpp"
+
+#include <cpu-features.h>
+
+namespace physx
+{
+namespace cloth
+{
+bool neonSolverKernel(SwCloth const& cloth, SwClothData& data, SwKernelAllocator& allocator,
+                      IterationStateFactory& factory, PxProfileZone* profileZone)
+{
+	return ANDROID_CPU_ARM_FEATURE_NEON & android_getCpuFeatures() &&
+	       (SwSolverKernel<Simd4f>(cloth, data, allocator, factory, profileZone)(), true);
+}
+}
+}
diff --git a/NvCloth/src/neon/SwCollisionHelpers.h b/NvCloth/src/neon/SwCollisionHelpers.h
new file mode 100644
index 0000000..0b9410b
--- /dev/null
+++ b/NvCloth/src/neon/SwCollisionHelpers.h
@@ -0,0 +1,87 @@
+// 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.
+
+#pragma once
+
+#ifdef _M_ARM
+#include <arm_neon.h>
+#endif
+
+namespace physx
+{
+namespace cloth
+{
+
+uint32_t findBitSet(uint32_t mask)
+{
+#ifdef _M_ARM
+	__n64 t = { mask };
+	return 31 - (vclz_u32(t)).n64_u32[0];
+#else
+	return 31 - __builtin_clz(mask);
+#endif
+}
+
+Simd4i intFloor(const Simd4f& v)
+{
+	int32x4_t neg = vreinterpretq_s32_u32(vshrq_n_u32(v.u4, 31));
+	return vsubq_s32(vcvtq_s32_f32(v.f4), neg);
+}
+
+Simd4i horizontalOr(const Simd4i& mask)
+{
+	uint32x2_t hi = vget_high_u32(mask.u4);
+	uint32x2_t lo = vget_low_u32(mask.u4);
+	uint32x2_t tmp = vorr_u32(lo, hi);
+	uint32x2_t rev = vrev64_u32(tmp);
+	uint32x2_t res = vorr_u32(tmp, rev);
+	return vcombine_u32(res, res);
+}
+
+Gather<Simd4i>::Gather(const Simd4i& index)
+{
+	PX_ALIGN(16, uint8x8x2_t) byteIndex = reinterpret_cast<const uint8x8x2_t&>(sPack);
+	uint8x8x2_t lohiIndex = reinterpret_cast<const uint8x8x2_t&>(index);
+	byteIndex.val[0] = vtbl2_u8(lohiIndex, byteIndex.val[0]);
+	byteIndex.val[1] = vtbl2_u8(lohiIndex, byteIndex.val[1]);
+	mPermute = vshlq_n_u32(reinterpret_cast<const uint32x4_t&>(byteIndex), 2);
+	mPermute = mPermute | sOffset | vcgtq_u32(index.u4, sMask.u4);
+}
+
+Simd4i Gather<Simd4i>::operator()(const Simd4i* ptr) const
+{
+	PX_ALIGN(16, uint8x8x2_t) result = reinterpret_cast<const uint8x8x2_t&>(mPermute);
+	const uint8x8x4_t* table = reinterpret_cast<const uint8x8x4_t*>(ptr);
+	result.val[0] = vtbl4_u8(*table, result.val[0]);
+	result.val[1] = vtbl4_u8(*table, result.val[1]);
+	return reinterpret_cast<const Simd4i&>(result);
+}
+
+} // namespace cloth
+} // namespace physx