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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 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_MESH_DATA_H
#define GU_MESH_DATA_H
#include "foundation/PxSimpleTypes.h"
#include "foundation/PxVec4.h"
#include "foundation/PxBounds3.h"
#include "PsUserAllocated.h"
#include "CmPhysXCommon.h"
#include "PsAllocator.h"
#include "PxTriangleMesh.h"
#include "GuRTree.h"
#include "GuBV4.h"
#include "GuBV32.h"
namespace physx
{
namespace Gu {
// 1: support stackless collision trees for non-recursive collision queries
// 2: height field functionality not supported anymore
// 3: mass struct removed
// 4: bounding sphere removed
// 5: RTree added, opcode tree still in the binary image, physx 3.0
// 6: opcode tree removed from binary image
// 7: convex decomposition is out
// 8: adjacency information added
// 9: removed leaf triangles and most of opcode data, changed rtree layout
// 10: float rtrees
// 11: new build, isLeaf added to page
// 12: isLeaf is now the lowest bit in ptrs
// 13: TA30159 removed deprecated convexEdgeThreshold and bumped version
// 14: added midphase ID
// 15: GPU data simplification
#define PX_MESH_VERSION 15
// these flags are used to indicate/validate the contents of a cooked mesh file
enum InternalMeshSerialFlag
{
IMSF_MATERIALS = (1<<0), //!< if set, the cooked mesh file contains per-triangle material indices
IMSF_FACE_REMAP = (1<<1), //!< if set, the cooked mesh file contains a remap table
IMSF_8BIT_INDICES = (1<<2), //!< if set, the cooked mesh file contains 8bit indices (topology)
IMSF_16BIT_INDICES = (1<<3), //!< if set, the cooked mesh file contains 16bit indices (topology)
IMSF_ADJACENCIES = (1<<4), //!< if set, the cooked mesh file contains adjacency structures
IMSF_GRB_DATA = (1<<5) //!< if set, the cooked mesh file contains GRB data structures
};
#if PX_VC
#pragma warning(push)
#pragma warning(disable: 4324) // Padding was added at the end of a structure because of a __declspec(align) value.
#endif
class TriangleMeshData : public Ps::UserAllocated
{
public:
PxMeshMidPhase::Enum mType;
PxU32 mNbVertices;
PxU32 mNbTriangles;
PxVec3* mVertices;
void* mTriangles;
PxBounds3 mAABB;
PxU8* mExtraTrigData;
PxReal mGeomEpsilon;
PxU8 mFlags;
PxU16* mMaterialIndices;
PxU32* mFaceRemap;
PxU32* mAdjacencies;
// GRB data -------------------------
void * mGRB_triIndices; //!< GRB: GPU-friendly tri indices(uint3)
// TODO avoroshilov: adjacency info - duplicated, remove it and use 'mAdjacencies' and 'mExtraTrigData' see GuTriangleMesh.cpp:325
void * mGRB_triAdjacencies; //!< GRB: adjacency data, with BOUNDARY and NONCONVEX flags (flags replace adj indices where applicable) [uin4]
PxU32* mGRB_faceRemap; //!< GRB: this remap the GPU triangle indices to CPU triangle indices
void* mGRB_BV32Tree;
// End of GRB data ------------------
TriangleMeshData() :
mNbVertices (0),
mNbTriangles (0),
mVertices (NULL),
mTriangles (NULL),
mAABB (PxBounds3::empty()),
mExtraTrigData (NULL),
mGeomEpsilon (0.0f),
mFlags (0),
mMaterialIndices (NULL),
mFaceRemap (NULL),
mAdjacencies (NULL),
mGRB_triIndices (NULL),
mGRB_triAdjacencies (NULL),
mGRB_faceRemap (NULL),
mGRB_BV32Tree (NULL)
{
}
virtual ~TriangleMeshData()
{
if(mVertices)
PX_FREE(mVertices);
if(mTriangles)
PX_FREE(mTriangles);
if(mMaterialIndices)
PX_DELETE_POD(mMaterialIndices);
if(mFaceRemap)
PX_DELETE_POD(mFaceRemap);
if(mAdjacencies)
PX_DELETE_POD(mAdjacencies);
if(mExtraTrigData)
PX_DELETE_POD(mExtraTrigData);
if (mGRB_triIndices)
PX_FREE(mGRB_triIndices);
if (mGRB_triAdjacencies)
PX_DELETE_POD(mGRB_triAdjacencies);
if (mGRB_faceRemap)
PX_DELETE_POD(mGRB_faceRemap);
if (mGRB_BV32Tree)
{
Gu::BV32Tree* bv32Tree = reinterpret_cast<BV32Tree*>(mGRB_BV32Tree);
PX_DELETE(bv32Tree);
mGRB_BV32Tree = NULL;
}
}
PxVec3* allocateVertices(PxU32 nbVertices)
{
PX_ASSERT(!mVertices);
// PT: we allocate one more vertex to make sure it's safe to V4Load the last one
const PxU32 nbAllocatedVerts = nbVertices + 1;
mVertices = reinterpret_cast<PxVec3*>(PX_ALLOC(nbAllocatedVerts * sizeof(PxVec3), "PxVec3"));
mNbVertices = nbVertices;
return mVertices;
}
void* allocateTriangles(PxU32 nbTriangles, bool force32Bit, PxU32 allocateGPUData = 0)
{
PX_ASSERT(mNbVertices);
PX_ASSERT(!mTriangles);
bool index16 = mNbVertices <= 0xffff && !force32Bit;
if(index16)
mFlags |= PxTriangleMeshFlag::e16_BIT_INDICES;
mTriangles = PX_ALLOC(nbTriangles * (index16 ? sizeof(PxU16) : sizeof(PxU32)) * 3, "mTriangles");
if (allocateGPUData)
mGRB_triIndices = PX_ALLOC(nbTriangles * (index16 ? sizeof(PxU16) : sizeof(PxU32)) * 3, "mGRB_triIndices");
mNbTriangles = nbTriangles;
return mTriangles;
}
PxU16* allocateMaterials()
{
PX_ASSERT(mNbTriangles);
PX_ASSERT(!mMaterialIndices);
mMaterialIndices = PX_NEW(PxU16)[mNbTriangles];
return mMaterialIndices;
}
PxU32* allocateAdjacencies()
{
PX_ASSERT(mNbTriangles);
PX_ASSERT(!mAdjacencies);
mAdjacencies = PX_NEW(PxU32)[mNbTriangles*3];
mFlags |= PxTriangleMeshFlag::eADJACENCY_INFO;
return mAdjacencies;
}
PxU32* allocateFaceRemap()
{
PX_ASSERT(mNbTriangles);
PX_ASSERT(!mFaceRemap);
mFaceRemap = PX_NEW(PxU32)[mNbTriangles];
return mFaceRemap;
}
PxU8* allocateExtraTrigData()
{
PX_ASSERT(mNbTriangles);
PX_ASSERT(!mExtraTrigData);
mExtraTrigData = PX_NEW(PxU8)[mNbTriangles];
return mExtraTrigData;
}
PX_FORCE_INLINE void setTriangleAdjacency(PxU32 triangleIndex, PxU32 adjacency, PxU32 offset)
{
PX_ASSERT(mAdjacencies);
mAdjacencies[triangleIndex*3 + offset] = adjacency;
}
PX_FORCE_INLINE bool has16BitIndices() const
{
return (mFlags & PxTriangleMeshFlag::e16_BIT_INDICES) ? true : false;
}
};
class RTreeTriangleData : public TriangleMeshData
{
public:
RTreeTriangleData() { mType = PxMeshMidPhase::eBVH33; }
virtual ~RTreeTriangleData() {}
Gu::RTree mRTree;
};
class BV4TriangleData : public TriangleMeshData
{
public:
BV4TriangleData() { mType = PxMeshMidPhase::eBVH34; }
virtual ~BV4TriangleData() {}
Gu::SourceMesh mMeshInterface;
Gu::BV4Tree mBV4Tree;
};
class BV32TriangleData : public TriangleMeshData
{
public:
//using the same type as BV4
BV32TriangleData() { mType = PxMeshMidPhase::eBVH34; }
virtual ~BV32TriangleData() {}
Gu::SourceMesh mMeshInterface;
Gu::BV32Tree mBV32Tree;
};
#if PX_VC
#pragma warning(pop)
#endif
} // namespace Gu
}
#endif // #ifdef GU_MESH_DATA_H
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