Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 148 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/GeomUtils/src/mesh/GuTriangleMeshRTree.cpp b/PhysX_3.4/Source/GeomUtils/src/mesh/GuTriangleMeshRTree.cpp
new file mode 100644
index 00000000..ec5a1931
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+++ b/PhysX_3.4/Source/GeomUtils/src/mesh/GuTriangleMeshRTree.cpp
@@ -0,0 +1,148 @@
+// 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 "GuTriangleMesh.h"
+#include "GuTriangleMeshRTree.h"
+#if PX_ENABLE_DYNAMIC_MESH_RTREE
+#include "GuConvexEdgeFlags.h"
+#endif
+
+using namespace physx;
+
+namespace physx
+{
+
+Gu::RTreeTriangleMesh::RTreeTriangleMesh(GuMeshFactory& factory, TriangleMeshData& d)
+:	TriangleMesh(factory, d)
+{
+	PX_ASSERT(d.mType==PxMeshMidPhase::eBVH33);
+
+	RTreeTriangleData& rtreeData = static_cast<RTreeTriangleData&>(d);
+	mRTree = rtreeData.mRTree;
+	rtreeData.mRTree.mPages = NULL;
+}
+
+Gu::TriangleMesh* Gu::RTreeTriangleMesh::createObject(PxU8*& address, PxDeserializationContext& context)
+{
+	RTreeTriangleMesh* obj = new (address) RTreeTriangleMesh(PxBaseFlag::eIS_RELEASABLE);
+	address += sizeof(RTreeTriangleMesh);	
+	obj->importExtraData(context);
+	obj->resolveReferences(context);
+	return obj;
+}
+
+void Gu::RTreeTriangleMesh::exportExtraData(PxSerializationContext& stream)
+{
+	mRTree.exportExtraData(stream);
+	TriangleMesh::exportExtraData(stream);
+}
+
+void Gu::RTreeTriangleMesh::importExtraData(PxDeserializationContext& context)
+{
+	mRTree.importExtraData(context);
+	TriangleMesh::importExtraData(context);
+}
+
+#if PX_ENABLE_DYNAMIC_MESH_RTREE
+PxVec3 * Gu::RTreeTriangleMesh::getVerticesForModification()
+{
+	return const_cast<PxVec3*>(getVertices());
+}
+
+template<typename IndexType>
+struct RefitCallback : Gu::RTree::CallbackRefit
+{
+	const PxVec3* newPositions;
+	const IndexType* indices;
+
+	RefitCallback(const PxVec3* aNewPositions, const IndexType* aIndices) : newPositions(aNewPositions), indices(aIndices) {}
+	PX_FORCE_INLINE ~RefitCallback() {}
+
+	virtual void recomputeBounds(PxU32 index, shdfnd::aos::Vec3V& aMn, shdfnd::aos::Vec3V& aMx)
+	{
+		using namespace shdfnd::aos;
+
+		// Each leaf box has a set of triangles
+		Gu::LeafTriangles currentLeaf; currentLeaf.Data = index;
+		PxU32 nbTris = currentLeaf.GetNbTriangles();
+		PxU32 baseTri = currentLeaf.GetTriangleIndex();
+		PX_ASSERT(nbTris > 0);
+		const IndexType* vInds = indices + 3 * baseTri;
+		Vec3V vPos = V3LoadU(newPositions[vInds[0]]);
+		Vec3V mn = vPos, mx = vPos;
+		//PxBounds3 result(newPositions[vInds[0]], newPositions[vInds[0]]);
+		vPos = V3LoadU(newPositions[vInds[1]]);
+		mn = V3Min(mn, vPos); mx = V3Max(mx, vPos);
+		vPos = V3LoadU(newPositions[vInds[2]]);
+		mn = V3Min(mn, vPos); mx = V3Max(mx, vPos);
+		for (PxU32 i = 1; i < nbTris; i++)
+		{
+			const IndexType* vInds1 = indices + 3 * (baseTri + i);
+			vPos = V3LoadU(newPositions[vInds1[0]]);
+			mn = V3Min(mn, vPos); mx = V3Max(mx, vPos);
+			vPos = V3LoadU(newPositions[vInds1[1]]);
+			mn = V3Min(mn, vPos); mx = V3Max(mx, vPos);
+			vPos = V3LoadU(newPositions[vInds1[2]]);
+			mn = V3Min(mn, vPos); mx = V3Max(mx, vPos);
+		}
+
+		aMn = mn;
+		aMx = mx;
+	}
+};
+
+PxBounds3 Gu::RTreeTriangleMesh::refitBVH()
+{
+	PxBounds3 meshBounds;
+	if (has16BitIndices())
+	{
+		RefitCallback<PxU16> cb(mVertices, static_cast<const PxU16*>(mTriangles));
+		mRTree.refitAllStaticTree(cb, &meshBounds);
+	}
+	else
+	{
+		RefitCallback<PxU32> cb(mVertices, static_cast<const PxU32*>(mTriangles));
+		mRTree.refitAllStaticTree(cb, &meshBounds);
+	}
+
+	// reset edge flags and remember we did that using a mesh flag (optimization)
+	if ((mRTree.mFlags & RTree::IS_EDGE_SET) == 0)
+	{
+		mRTree.mFlags |= RTree::IS_EDGE_SET;
+		const PxU32 nbTris = getNbTriangles();
+		for (PxU32 i = 0; i < nbTris; i++)
+			mExtraTrigData[i] |= (Gu::ETD_CONVEX_EDGE_01 | Gu::ETD_CONVEX_EDGE_12 | Gu::ETD_CONVEX_EDGE_20);
+	}
+
+	mAABB = meshBounds;
+	return meshBounds;
+}
+#endif
+
+} // namespace physx