Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 135 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/LowLevelParticles/src/PtCollisionBox.cpp b/PhysX_3.4/Source/LowLevelParticles/src/PtCollisionBox.cpp
new file mode 100644
index 00000000..8f9b90ba
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+++ b/PhysX_3.4/Source/LowLevelParticles/src/PtCollisionBox.cpp
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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.
+
+#include "PtCollisionMethods.h"
+#if PX_USE_PARTICLE_SYSTEM_API
+
+void physx::Pt::collideWithBox(ParticleCollData* particleCollData, PxU32 numCollData, const Gu::GeometryUnion& boxShape,
+                               PxReal proxRadius)
+{
+	PX_ASSERT(particleCollData);
+	PX_ASSERT(boxShape.getType() == PxGeometryType::eBOX);
+
+	const PxBoxGeometry& boxShapeData = boxShape.get<const PxBoxGeometry>();
+
+	PxVec3 boxExtent = boxShapeData.halfExtents;
+	PxBounds3 shapeBounds(boxExtent * -1.0f, boxExtent);
+	PX_ASSERT(!shapeBounds.isEmpty());
+	shapeBounds.fattenFast(proxRadius);
+
+	// Box to convex conversion.
+	PxPlane planes[6];
+	PxVec3 normal;
+
+	normal = PxVec3(1.0f, 0.0f, 0.0f);
+	planes[0].n = normal;
+	planes[0].d = -boxExtent.x;
+
+	normal = PxVec3(-1.0f, 0.0f, 0.0f);
+	planes[1].n = normal;
+	planes[1].d = -boxExtent.x;
+
+	normal = PxVec3(0.0f, 1.0f, 0.0f);
+	planes[2].n = normal;
+	planes[2].d = -boxExtent.y;
+
+	normal = PxVec3(0.0f, -1.0f, 0.0f);
+	planes[3].n = normal;
+	planes[3].d = -boxExtent.y;
+
+	normal = PxVec3(0.0f, 0.0f, 1.0f);
+	planes[4].n = normal;
+	planes[4].d = -boxExtent.z;
+
+	normal = PxVec3(0.0f, 0.0f, -1.0f);
+	planes[5].n = normal;
+	planes[5].d = -boxExtent.z;
+
+#if PT_USE_SIMD_CONVEX_COLLISION
+	ParticleCollDataV4 collDataV4;
+	PxU32 v4Count = 0;
+
+	for(PxU32 p = 0; p < numCollData; p++)
+	{
+		ParticleCollData& collData = particleCollData[p];
+
+		PxBounds3 particleBounds = PxBounds3::boundsOfPoints(collData.localOldPos, collData.localNewPos);
+		if(particleBounds.intersects(shapeBounds))
+		{
+			collDataV4.localOldPos[v4Count].v3 = collData.localOldPos;
+			collDataV4.localOldPos[v4Count].pad = 0;
+			collDataV4.localNewPos[v4Count].v3 = collData.localNewPos;
+			collDataV4.localNewPos[v4Count].pad = 0;
+			collDataV4.localFlags[v4Count] = collData.localFlags;
+			collDataV4.restOffset[v4Count] = collData.restOffset;
+			collDataV4.ccTime[v4Count] = collData.ccTime;
+			collDataV4.collData[v4Count] = &collData;
+			v4Count++;
+		}
+
+		if(v4Count == 4)
+		{
+			// sschirm: not processing with less than 4 elements to avoid uninitialized data reads
+			collideWithConvexPlanesSIMD(collDataV4, planes, 6, proxRadius);
+			for(PxU32 j = 0; j < v4Count; j++)
+			{
+				ParticleCollData* collData1 = collDataV4.collData[j];
+				PxU32 stateFlag = collDataV4.localFlags[j];
+				if(stateFlag)
+				{
+					collData1->localFlags |= stateFlag;
+					collData1->ccTime = collDataV4.ccTime[j];
+					collData1->localSurfaceNormal = collDataV4.localSurfaceNormal[j].v3;
+					collData1->localSurfacePos = collDataV4.localSurfacePos[j].v3;
+				}
+			}
+			v4Count = 0;
+		}
+		else if(v4Count > 0 && (p == numCollData - 1))
+		{
+			for(PxU32 j = 0; j < v4Count; j++)
+			{
+				collideWithConvexPlanes(*collDataV4.collData[j], planes, 6, proxRadius);
+			}
+		}
+	}
+#else
+	for(PxU32 p = 0; p < numCollData; p++)
+	{
+		ParticleCollData& collData = particleCollData[p];
+		PxBounds3 particleBounds = PxBounds3::boundsOfPoints(collData.localOldPos, collData.localNewPos);
+		if(particleBounds.intersects(shapeBounds))
+		{
+			collideWithConvexPlanes(collData, planes, 6, proxRadius);
+		}
+	}
+#endif
+}
+
+#endif // PX_USE_PARTICLE_SYSTEM_API