Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 157 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/GeomUtils/src/GuBounds.h b/PhysX_3.4/Source/GeomUtils/src/GuBounds.h
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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.  
+
+#ifndef GU_BOUNDS_H
+#define GU_BOUNDS_H
+
+#include "foundation/PxBounds3.h"
+#include "foundation/PxFlags.h"
+#include "GuSIMDHelpers.h"
+#include <stddef.h>
+#include "PxGeometry.h"
+#include "GuBox.h"
+#include "GuCenterExtents.h"
+#include "GuSphere.h"
+#include "GuCapsule.h"
+
+namespace physx
+{
+class PxGeometry;
+
+namespace Gu
+{
+
+//For spheres, planes, capsules and boxes just set localSpaceBounds to NULL.
+//For convex meshes, triangle meshes, and heightfields set localSpaceBounds to the relevant pointer if it has already been pre-fetched.  
+//For convex meshes, triangle meshes, and heightfields set localSpaceBounds to NULL if it has not already been pre-fetched.   computeBounds will synchronously 
+//prefetch the local space bounds if localSpaceBounds is NULL.
+//'contactOffset' and 'inflation' should not be used at the same time, i.e. either contactOffset==0.0f, or inflation==1.0f
+PX_PHYSX_COMMON_API void computeBounds(PxBounds3& bounds, const PxGeometry& geometry, const PxTransform& transform, float contactOffset, const CenterExtentsPadded* PX_RESTRICT localSpaceBounds, float inflation, bool extrudeHeightfields);	//AABB in world space.
+
+//For spheres, planes, capsules and boxes just set localSpaceBounds to NULL.
+//For convex meshes, triangle meshes, and heightfields set localSpaceBounds to the relevant pointer if it has not already been pre-fetched.  
+//For convex meshes, triangle meshes, and heightfields set localSpaceBounds to NULL if it has not already been pre-fetched.   computeBounds will synchronously 
+//prefetch the local space bounds if localSpaceBounds is NULL.
+PX_PHYSX_COMMON_API PxF32 computeBoundsWithCCDThreshold(Vec3p& origin, Vec3p& extent, const PxGeometry& geometry, const PxTransform& transform, const CenterExtentsPadded* PX_RESTRICT localSpaceBounds);	//AABB in world space.
+
+
+PX_FORCE_INLINE PxBounds3 computeBounds(const PxGeometry& geometry, const PxTransform& pose, bool extrudeHeightfields)
+{
+	PxBounds3 bounds;
+	computeBounds(bounds, geometry, pose, 0.0f, NULL, 1.0f, extrudeHeightfields);
+	return bounds;
+}
+
+class ShapeData
+{
+public:
+
+	PX_PHYSX_COMMON_API						ShapeData(const PxGeometry& g, const PxTransform& t, PxReal inflation);	
+
+	// PT: used by overlaps (box, capsule, convex)
+	PX_FORCE_INLINE const PxVec3&			getPrunerBoxGeomExtentsInflated()	const	{ return mPrunerBoxGeomExtents; }
+
+	// PT: used by overlaps (box, capsule, convex)
+	PX_FORCE_INLINE const PxVec3&			getPrunerWorldPos()					const	{ return mGuBox.center;			}
+
+	PX_FORCE_INLINE const PxBounds3&		getPrunerInflatedWorldAABB()		const	{ return mPrunerInflatedAABB;	}
+
+	// PT: used by overlaps (box, capsule, convex)
+	PX_FORCE_INLINE const PxMat33&			getPrunerWorldRot33()				const	{ return mGuBox.rot;			}
+
+	// PT: this one only used by overlaps so far (for sphere shape, pruner level)
+	PX_FORCE_INLINE const Gu::Sphere&		getGuSphere() const
+	{
+		PX_ASSERT(mType == PxGeometryType::eSPHERE);
+		return reinterpret_cast<const Gu::Sphere&>(mGuSphere);
+	}
+
+	// PT: this one only used by sweeps so far (for box shape, NP level)
+	PX_FORCE_INLINE const Gu::Box&			getGuBox() const
+	{
+		PX_ASSERT(mType == PxGeometryType::eBOX);
+		return mGuBox;
+	}
+
+	// PT: this one used by sweeps (NP level) and overlaps (pruner level) - for capsule shape
+	PX_FORCE_INLINE const Gu::Capsule&		getGuCapsule() const
+	{
+		PX_ASSERT(mType == PxGeometryType::eCAPSULE);
+		return reinterpret_cast<const Gu::Capsule&>(mGuCapsule);
+	}
+
+	PX_FORCE_INLINE float					getCapsuleHalfHeight() const
+	{
+		PX_ASSERT(mType == PxGeometryType::eCAPSULE);
+		return mGuBox.extents.x;
+	}
+
+	PX_FORCE_INLINE	PxU32					isOBB()		const { return PxU32(mIsOBB);				}
+	PX_FORCE_INLINE	PxGeometryType::Enum	getType()	const { return PxGeometryType::Enum(mType);	}
+
+	PX_NOCOPY(ShapeData)
+private:
+
+	// PT: box: pre-inflated box extents
+	//     capsule: pre-inflated extents of box-around-capsule
+	//     convex: pre-inflated extents of box-around-convex
+	//     sphere: not used
+	PxVec3				mPrunerBoxGeomExtents;	// used for pruners. This volume encloses but can differ from the original shape
+
+	// PT:
+	//
+	// box center = unchanged copy of initial shape's position, except for convex (position of box around convex)
+	// SIMD code will load it as a V4 (safe because member is not last of Gu structure)
+	//
+	// box rot = precomputed PxMat33 version of initial shape's rotation, except for convex (rotation of box around convex)
+	// SIMD code will load it as V4s (safe because member is not last of Gu structure)
+	//
+	// box extents = non-inflated initial box extents for box shape, half-height for capsule, otherwise not used
+	Gu::Box				mGuBox;
+
+	PxBounds3			mPrunerInflatedAABB;	// precomputed AABB for the pruner shape
+	PxU16				mIsOBB;					// true for OBB, false for AABB. Also used as padding for mPrunerInflatedAABB, don't move.
+	PxU16				mType;					// shape's type
+
+	// these union Gu shapes are only precomputed for narrow phase (not pruners), can be different from mPrunerVolume
+	// so need separate storage
+	union
+	{
+		PxU8 mGuCapsule[sizeof(Gu::Capsule)];	// 28
+		PxU8 mGuSphere[sizeof(Gu::Sphere)];		// 16
+	};
+};
+
+// PT: please make sure it fits in "one" cache line
+PX_COMPILE_TIME_ASSERT(sizeof(ShapeData)==128);
+
+}  // namespace Gu
+
+}
+#endif