/usr/include/oce/BVH_BinnedBuilder.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | // Created on: 2013-12-20
// Created by: Denis BOGOLEPOV
// Copyright (c) 2013-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _BVH_BinnedBuilder_Header
#define _BVH_BinnedBuilder_Header
#include <BVH_QueueBuilder.hxx>
#include <algorithm>
//! Stores parameters of single node bin (slice of AABB).
template<class T, int N>
struct BVH_Bin
{
//! Creates new node bin.
BVH_Bin() : Count (0) {}
Standard_Integer Count; //!< Number of primitives in the bin
BVH_Box<T, N> Box; //!< AABB of primitives in the bin
};
//! Performs building of BVH tree using binned SAH algorithm.
//! Number of Bins controls tree's quality (greater - better) in cost of construction time.
template<class T, int N, int Bins = 32>
class BVH_BinnedBuilder : public BVH_QueueBuilder<T, N>
{
public:
//! Type for the array of bins of BVH tree node.
typedef BVH_Bin<T, N> BVH_BinVector[Bins];
public:
//! Creates binned SAH BVH builder.
BVH_BinnedBuilder (const Standard_Integer theLeafNodeSize = 5,
const Standard_Integer theMaxTreeDepth = 32);
//! Releases resources of binned SAH BVH builder.
virtual ~BVH_BinnedBuilder();
protected:
//! Builds BVH node for specified task info.
virtual void BuildNode (BVH_Set<T, N>* theSet,
BVH_Tree<T, N>* theBVH,
const Standard_Integer theNode);
//! Arranges node primitives into bins.
virtual void GetSubVolumes (BVH_Set<T, N>* theSet,
BVH_Tree<T, N>* theBVH,
const Standard_Integer theNode,
BVH_BinVector& theBins,
const Standard_Integer theAxis);
};
#include <BVH_BinnedBuilder.lxx>
#endif // _BVH_BinnedBuilder_Header
|