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1 | // Created on: 2013-12-20 |
2 | // Created by: Denis BOGOLEPOV |
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3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #include <BVH_BinnedBuilder.hxx> |
17 | |
18 | // ======================================================================= |
19 | // function : BVH_Geometry |
20 | // purpose : |
21 | // ======================================================================= |
22 | template<class T, int N> |
23 | BVH_Geometry<T, N>::BVH_Geometry() |
24 | : myIsDirty (Standard_False), |
25 | myBVH (new BVH_Tree<T, N>()) |
26 | { |
27 | // Set default builder - binned SAH split |
28 | myBuilder = new BVH_BinnedBuilder<T, N, 32> (1 /* primitive per leaf */); |
29 | } |
30 | |
31 | // ======================================================================= |
32 | // function : ~BVH_Geometry |
33 | // purpose : |
34 | // ======================================================================= |
35 | template<class T, int N> |
36 | BVH_Geometry<T, N>::~BVH_Geometry() |
37 | { |
38 | myBVH.Nullify(); |
39 | myBuilder.Nullify(); |
40 | } |
41 | |
42 | // ======================================================================= |
43 | // function : MarkDirty |
44 | // purpose : |
45 | // ======================================================================= |
46 | template<class T, int N> |
47 | void BVH_Geometry<T, N>::MarkDirty() |
48 | { |
49 | myIsDirty = Standard_True; |
50 | } |
51 | |
52 | // ======================================================================= |
53 | // function : Box |
54 | // purpose : |
55 | // ======================================================================= |
56 | template<class T, int N> |
57 | BVH_Box<T, N> BVH_Geometry<T, N>::Box() const |
58 | { |
59 | if (!myIsDirty) |
60 | { |
61 | return myBox; |
62 | } |
63 | |
64 | myBox = BVH_Set<T, N>::Box(); |
65 | return myBox; |
66 | } |
67 | |
68 | // ======================================================================= |
69 | // function : BVH |
70 | // purpose : |
71 | // ======================================================================= |
72 | template<class T, int N> |
73 | const NCollection_Handle<BVH_Tree<T, N> >& BVH_Geometry<T, N>::BVH() |
74 | { |
75 | if (myIsDirty) |
76 | { |
77 | Update(); |
78 | } |
79 | |
80 | return myBVH; |
81 | } |
82 | |
83 | // ======================================================================= |
84 | // function : Update |
85 | // purpose : |
86 | // ======================================================================= |
87 | template<class T, int N> |
88 | void BVH_Geometry<T, N>::Update() |
89 | { |
90 | if (!myIsDirty) |
91 | { |
92 | return; |
93 | } |
94 | |
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95 | myBuilder->Build (this, myBVH.operator->(), Box()); |
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96 | |
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97 | myIsDirty = Standard_False; |
98 | } |
99 | |
100 | // ======================================================================= |
101 | // function : Builder |
102 | // purpose : |
103 | // ======================================================================= |
104 | template<class T, int N> |
105 | const NCollection_Handle<BVH_Builder<T, N> >& BVH_Geometry<T, N>::Builder() const |
106 | { |
107 | return myBuilder; |
108 | } |
109 | |
110 | // ======================================================================= |
111 | // function : SetBuilder |
112 | // purpose : |
113 | // ======================================================================= |
114 | template<class T, int N> |
115 | void BVH_Geometry<T, N>::SetBuilder (NCollection_Handle<BVH_Builder<T, N> >& theBuilder) |
116 | { |
117 | myBuilder = theBuilder; |
118 | } |