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meshTopology.h
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24 #ifndef HD_MESH_TOPOLOGY_H
25 #define HD_MESH_TOPOLOGY_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hd/api.h"
29 #include "pxr/imaging/hd/geomSubset.h"
30 #include "pxr/imaging/hd/version.h"
31 #include "pxr/imaging/hd/topology.h"
32 
33 #include "pxr/imaging/pxOsd/meshTopology.h"
34 
35 #include "pxr/base/vt/array.h"
36 #include "pxr/base/vt/value.h"
37 
38 #include "pxr/base/tf/token.h"
39 
40 #include <boost/shared_ptr.hpp>
41 
42 PXR_NAMESPACE_OPEN_SCOPE
43 
44 
45 typedef boost::shared_ptr<class HdMeshTopology> HdMeshTopologySharedPtr;
46 
55 class HdMeshTopology : public HdTopology {
56 public:
57  HD_API
59  HD_API
60  HdMeshTopology(const HdMeshTopology &, int refineLevel=0);
61  HD_API
62  HdMeshTopology(const PxOsdMeshTopology &, int refineLevel=0);
63  HD_API
64  HdMeshTopology(const TfToken &scheme,
65  const TfToken &orientation,
66  const VtIntArray &faceVertexCounts,
67  const VtIntArray &faceVertexIndices,
68  int refineLevel = 0);
69  HD_API
70  HdMeshTopology(const TfToken &scheme,
71  const TfToken &orientation,
72  const VtIntArray &faceVertexCounts,
73  const VtIntArray &faceVertexIndices,
74  const VtIntArray &holeIndices,
75  int refineLevel = 0);
76  HD_API
77  virtual ~HdMeshTopology();
78 
79  HD_API
80  HdMeshTopology &operator =(const HdMeshTopology &copy);
81 
83  HD_API
84  static bool IsEnabledAdaptive();
85 
86  PxOsdMeshTopology const & GetPxOsdMeshTopology() const {
87  return _topology;
88  }
89 
91  HD_API
92  int GetNumFaces() const;
93 
95  HD_API
96  int GetNumFaceVaryings() const;
97 
99  HD_API
100  int GetNumPoints() const;
101 
103  HD_API
104  static int ComputeNumPoints(VtIntArray const &verts);
105 
107  TfToken const GetScheme() const {
108  return _topology.GetScheme();
109  }
110 
112  int GetRefineLevel() const {
113  return _refineLevel;
114  }
115 
117  VtIntArray const &GetFaceVertexCounts() const {
118  return _topology.GetFaceVertexCounts();
119  }
120 
122  VtIntArray const &GetFaceVertexIndices() const {
123  return _topology.GetFaceVertexIndices();
124  }
125 
127  TfToken const &GetOrientation() const {
128  return _topology.GetOrientation();
129  }
130 
132  HD_API
133  virtual ID ComputeHash() const;
134 
136  HD_API
137  bool operator==(HdMeshTopology const &other) const;
138 
142 
145  void SetHoleIndices(VtIntArray const &holeIndices) {
146  _topology.SetHoleIndices(holeIndices);
147  }
148 
150  VtIntArray const &GetHoleIndices() const {
151  return _topology.GetHoleIndices();
152  }
153 
155 
159 
161  void SetSubdivTags(PxOsdSubdivTags const &subdivTags) {
162  _topology.SetSubdivTags(subdivTags);
163  }
164 
167  return _topology.GetSubdivTags();
168  }
169 
171 
175 
177  HD_API
178  void SetGeomSubsets(HdGeomSubsets const &geomSubsets) {
179  _geomSubsets = geomSubsets;
180  }
181 
183  HD_API
184  HdGeomSubsets const &GetGeomSubsets() const {
185  return _geomSubsets;
186  }
187 
189 
194  HD_API
195  void SetInvisiblePoints(VtIntArray const &invisiblePoints) {
196  _invisiblePoints = invisiblePoints;
197  }
198 
199  HD_API
200  VtIntArray const & GetInvisiblePoints() const {
201  return _invisiblePoints;
202  }
203 
204  HD_API
205  void SetInvisibleFaces(VtIntArray const &invisibleFaces) {
206  _invisibleFaces = invisibleFaces;
207  }
208 
209  HD_API
210  VtIntArray const & GetInvisibleFaces() const {
211  return _invisibleFaces;
212  }
214 
215 protected:
216  PxOsdMeshTopology _topology;
217  HdGeomSubsets _geomSubsets;
218  VtIntArray _invisiblePoints;
219  VtIntArray _invisibleFaces;
220  int _refineLevel;
221  int _numPoints;
222 };
223 
224 
225 PXR_NAMESPACE_CLOSE_SCOPE
226 
227 #endif // HD_MESH_TOPOLOGY_H
Tags for non-hierarchial subdiv surfaces.
Definition: subdivTags.h:41
VtIntArray const & GetHoleIndices() const
Returns the hole face indices.
Definition: meshTopology.h:150
PxOsdSubdivTags const & GetSubdivTags() const
Returns subdivision tags.
Definition: meshTopology.h:139
static HD_API bool IsEnabledAdaptive()
Returns whether adaptive subdivision is enabled or not.
VtIntArray const & GetFaceVertexIndices() const
Returns face vertex indics.
Definition: meshTopology.h:122
virtual HD_API ID ComputeHash() const
Returns the hash value of this topology to be used for instancing.
HD_API int GetNumPoints() const
Returns the num points of the topology vert indices array.
Topology data for meshes.
Definition: meshTopology.h:50
VtIntArray const & GetFaceVertexCounts() const
Returns face vertex counts.
Definition: meshTopology.h:97
PxOsdSubdivTags const & GetSubdivTags() const
Returns subdivision tags.
Definition: meshTopology.h:166
HD_API bool operator==(HdMeshTopology const &other) const
Equality check between two mesh topologies.
PXOSD_API void SetHoleIndices(VtIntArray const &holeFaceIndices)
Sets hole face indices for the control mesh.
Definition: meshTopology.h:118
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
void SetSubdivTags(PxOsdSubdivTags const &subdivTags)
Sets subdivision tags.
Definition: meshTopology.h:161
VtIntArray const & GetFaceVertexCounts() const
Returns face vertex counts.
Definition: meshTopology.h:117
void SetHoleIndices(VtIntArray const &holeIndices)
Sets hole face indices.
Definition: meshTopology.h:145
static HD_API int ComputeNumPoints(VtIntArray const &verts)
Returns the num points by looking vert indices array.
VtIntArray const & GetHoleIndices() const
Returns the hole face indices.
Definition: meshTopology.h:123
void SetSubdivTags(PxOsdSubdivTags const &subdivTags)
Sets subdivision tags.
Definition: meshTopology.h:134
HD_API int GetNumFaceVaryings() const
Returns the num facevarying primvars.
VtIntArray const & GetFaceVertexIndices() const
Returns face vertex indics.
Definition: meshTopology.h:102
TfToken const GetScheme() const
Returns the subdivision scheme.
Definition: meshTopology.h:107
HD_API int GetNumFaces() const
Returns the num faces.
TfToken const & GetOrientation() const
Returns orientation.
Definition: meshTopology.h:127
int GetRefineLevel() const
Returns the refinement level.
Definition: meshTopology.h:112
HD_API void SetGeomSubsets(HdGeomSubsets const &geomSubsets)
Sets geometry subsets.
Definition: meshTopology.h:178
TfToken const GetScheme() const
Returns the subdivision scheme.
Definition: meshTopology.h:83
Topology data for meshes.
Definition: meshTopology.h:55
HD_API HdGeomSubsets const & GetGeomSubsets() const
Returns geometry subsets.
Definition: meshTopology.h:184
TfToken const & GetOrientation() const
Returns orientation.
Definition: meshTopology.h:107