GCC Code Coverage Report

Directory: ./
File: openvdb/openvdb/points/AttributeGroup.h
Date: 2022-07-25 17:40:05
Exec Total Coverage
Lines: 14 14 100.0%
Functions: 4 4 100.0%
Branches: 78 138 56.5%
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1 // Copyright Contributors to the OpenVDB Project
2 // SPDX-License-Identifier: MPL-2.0
3
4 /// @file points/AttributeGroup.h
5 ///
6 /// @author Dan Bailey
7 ///
8 /// @brief Attribute Group access and filtering for iteration.
9
10 #ifndef OPENVDB_POINTS_ATTRIBUTE_GROUP_HAS_BEEN_INCLUDED
11 #define OPENVDB_POINTS_ATTRIBUTE_GROUP_HAS_BEEN_INCLUDED
12
13 #include "AttributeArray.h"
14 #include "AttributeSet.h"
15 #include <memory>
16
17 namespace openvdb {
18 OPENVDB_USE_VERSION_NAMESPACE
19 namespace OPENVDB_VERSION_NAME {
20 namespace points {
21
22
23 ////////////////////////////////////////
24
25
26 struct GroupCodec
27 {
28 using StorageType = GroupType;
29 using ValueType = GroupType;
30
31 template <typename T>
32 struct Storage { using Type = StorageType; };
33
34 static void decode(const StorageType&, ValueType&);
35 static void encode(const ValueType&, StorageType&);
36 static const char* name() { return "grp"; }
37 };
38
39
40 using GroupAttributeArray = TypedAttributeArray<GroupType, GroupCodec>;
41
42
43 ////////////////////////////////////////
44
45
46 inline void
47 GroupCodec::decode(const StorageType& data, ValueType& val)
48 {
49 8037375 val = data;
50 }
51
52
53 inline void
54 GroupCodec::encode(const ValueType& val, StorageType& data)
55 {
56 6732 data = val;
57 }
58
59
60 ////////////////////////////////////////
61
62
63 inline bool isGroup(const AttributeArray& array)
64 {
65
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 70253 return array.isType<GroupAttributeArray>();
66 }
67
68
69 ////////////////////////////////////////
70
71
72 class OPENVDB_API GroupHandle
73 {
74 public:
75 using Ptr = std::shared_ptr<GroupHandle>;
76 using UniquePtr = std::unique_ptr<GroupHandle>;
77
78 // Dummy class that distinguishes an offset from a bitmask on construction
79 struct BitMask { };
80
81 using GroupIndex = std::pair<Index, uint8_t>;
82
83 GroupHandle(const GroupAttributeArray& array, const GroupType& offset);
84 GroupHandle(const GroupAttributeArray& array, const GroupType& bitMask, BitMask);
85
86
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 2 Index size() const { return mArray.size(); }
87
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 195 bool isUniform() const { return mArray.isUniform(); }
88
89 bool get(Index n) const;
90 bool getUnsafe(Index n) const;
91
92 protected:
93 const GroupAttributeArray& mArray;
94 const GroupType mBitMask;
95 }; // class GroupHandle
96
97
98 ////////////////////////////////////////
99
100
101 class OPENVDB_API GroupWriteHandle : public GroupHandle
102 {
103 public:
104 using Ptr = std::shared_ptr<GroupWriteHandle>;
105 using UniquePtr = std::unique_ptr<GroupWriteHandle>;
106
107 GroupWriteHandle(GroupAttributeArray& array, const GroupType& offset);
108
109 /// Set @a on at the given index @a n
110 void set(Index n, bool on);
111 /// Set @a on at the given index @a n (assumes in-core and non-uniform)
112 void setUnsafe(Index n, bool on);
113
114 /// @brief Set membership for the whole array and attempt to collapse
115 ///
116 /// @param on True or false for inclusion in group
117 ///
118 /// @note This method guarantees that all attributes will have group membership
119 /// changed according to the input bool, however compaction will not be performed
120 /// if other groups that share the same underlying array are non-uniform.
121 /// The return value indicates if the group array ends up being uniform.
122 bool collapse(bool on);
123
124 /// Compact the existing array to become uniform if all values are identical
125 bool compact();
126
127 }; // class GroupWriteHandle
128
129
130 ////////////////////////////////////////
131
132
133 /// Index filtering on group membership
134
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 1065 class GroupFilter
135 {
136 public:
137 GroupFilter(const Name& name, const AttributeSet& attributeSet)
138
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 49 : mIndex(attributeSet.groupIndex(name)) { }
139
140 explicit GroupFilter(const AttributeSet::Descriptor::GroupIndex& index)
141
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 17 : mIndex(index) { }
142
143 inline bool initialized() const { return bool(mHandle); }
144
145 static index::State state() { return index::PARTIAL; }
146 template <typename LeafT>
147 static index::State state(const LeafT&) { return index::PARTIAL; }
148
149 template <typename LeafT>
150 2516 void reset(const LeafT& leaf) {
151
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 2516 mHandle.reset(new GroupHandle(leaf.groupHandle(mIndex)));
152 2516 }
153
154 template <typename IterT>
155
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 8773 bool valid(const IterT& iter) const {
156
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 8773 assert(mHandle);
157 8773 return mHandle->getUnsafe(*iter);
158 }
159
160 private:
161 const AttributeSet::Descriptor::GroupIndex mIndex;
162 GroupHandle::Ptr mHandle;
163 }; // class GroupFilter
164
165
166 ////////////////////////////////////////
167
168
169 } // namespace points
170
171 } // namespace OPENVDB_VERSION_NAME
172 } // namespace openvdb
173
174
175 #endif // OPENVDB_POINTS_ATTRIBUTE_GROUP_HAS_BEEN_INCLUDED
176