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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h')
| -rw-r--r-- | PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h b/PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h new file mode 100644 index 00000000..4caf67d5 --- /dev/null +++ b/PhysX_3.4/Source/GeomUtils/src/mesh/GuBV32.h @@ -0,0 +1,146 @@ +// 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_BV32_H +#define GU_BV32_H + +#include "foundation/PxBounds3.h" +#include "PxSerialFramework.h" +#include "PsUserAllocated.h" +#include "GuBV4.h" +#include "CmPhysXCommon.h" +#include "PsArray.h" +#include "foundation/PxVec4.h" + +namespace physx +{ + namespace Gu + { + struct BV32Data : public physx::shdfnd::UserAllocated + { + PxVec3 mCenter; + PxU32 mNbLeafNodes; + PxVec3 mExtents; + size_t mData; + + + PX_FORCE_INLINE BV32Data() : mNbLeafNodes(0), mData(PX_INVALID_U32) + { + setEmpty(); + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 isLeaf() const { return mData & 1; } + + //if the node is leaf, + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getNbReferencedTriangles() const { PX_ASSERT(isLeaf()); return PxU32((mData >>1)&63); } + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getTriangleStartIndex() const { PX_ASSERT(isLeaf()); return PxU32(mData >> 7); } + + //PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getPrimitive() const { return mData >> 1; } + //if the node isn't leaf, we will get the childOffset + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getChildOffset() const { PX_ASSERT(!isLeaf()); return PxU32(mData >> GU_BV4_CHILD_OFFSET_SHIFT_COUNT); } + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getNbChildren() const { PX_ASSERT(!isLeaf()); return ((mData) & ((1 << GU_BV4_CHILD_OFFSET_SHIFT_COUNT) - 1))>>1; } + + PX_CUDA_CALLABLE PX_FORCE_INLINE void getMinMax(PxVec3& min, PxVec3& max) const + { + min = mCenter - mExtents; + max = mCenter + mExtents; + } + + PX_FORCE_INLINE void setEmpty() + { + mCenter = PxVec3(0.0f, 0.0f, 0.0f); + mExtents = PxVec3(-1.0f, -1.0f, -1.0f); + } + + }; + + PX_ALIGN_PREFIX(16) + struct BV32DataPacked + { + PxVec4 mCenter[32]; + PxVec4 mExtents[32]; + PxU32 mData[32]; + PxU32 mNbNodes; + PxU32 pad[3]; + + PX_CUDA_CALLABLE PX_FORCE_INLINE BV32DataPacked() : mNbNodes(0) + { + } + + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 isLeaf(const PxU32 index) const { return mData[index] & 1; } + //if the node is leaf, + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getNbReferencedTriangles(const PxU32 index) const { PX_ASSERT(isLeaf(index)); return (mData[index] >> 1) & 63; } + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getTriangleStartIndex(const PxU32 index) const { PX_ASSERT(isLeaf(index)); return (mData[index] >> 7); } + //if the node isn't leaf, we will get the childOffset + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getChildOffset(const PxU32 index) const { PX_ASSERT(!isLeaf(index)); return mData[index] >> GU_BV4_CHILD_OFFSET_SHIFT_COUNT; } + PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 getNbChildren(const PxU32 index) const { PX_ASSERT(!isLeaf(index)); return ((mData[index])& ((1 << GU_BV4_CHILD_OFFSET_SHIFT_COUNT) - 1)) >> 1; } + } + PX_ALIGN_SUFFIX(16); + + class BV32Tree : public physx::shdfnd::UserAllocated + { + public: + // PX_SERIALIZATION + BV32Tree(const PxEMPTY); + void exportExtraData(PxSerializationContext&); + void importExtraData(PxDeserializationContext& context); + static void getBinaryMetaData(PxOutputStream& stream); + //~PX_SERIALIZATION + + PX_PHYSX_COMMON_API BV32Tree(); + PX_PHYSX_COMMON_API BV32Tree(SourceMesh* meshInterface, const PxBounds3& localBounds); + PX_PHYSX_COMMON_API ~BV32Tree(); + + bool load(PxInputStream& stream, PxU32 meshVersion); // converts to proper endian at load time + + void calculateLeafNode(BV32Data& node); + void createSOAformatNode(BV32DataPacked& packedData, const BV32Data& node, const PxU32 childOffset, PxU32& currentIndex, PxU32& nbPackedNodes); + + void reset(); + void operator = (BV32Tree& v); + + bool init(SourceMesh* meshInterface, const PxBounds3& localBounds); + void release(); + + SourceMesh* mMeshInterface; + LocalBounds mLocalBounds; + + PxU32 mNbNodes; + BV32Data* mNodes; + BV32DataPacked* mPackedNodes; + PxU32 mNbPackedNodes; + PxU32 mInitData; + bool mUserAllocated; // PT: please keep these 4 bytes right after mCenterOrMinCoeff/mExtentsOrMaxCoeff for safe V4 loading + bool mPadding[3]; + }; + + } // namespace Gu +} + +#endif // GU_BV32_H |