HDK
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
geomSubset.h
Go to the documentation of this file.
1 //
2 // Copyright 2018 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24 #ifndef PXR_IMAGING_HD_GEOM_SUBSET_H
25 #define PXR_IMAGING_HD_GEOM_SUBSET_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hd/api.h"
29 #include "pxr/imaging/hd/version.h"
30 #include "pxr/usd/sdf/path.h"
31 #include "pxr/base/vt/array.h"
32 #include <vector>
33 
35 
36 /// \class HdGeomSubset
37 ///
38 /// Describes a subset of a piece of geometry as a set of indices.
39 ///
40 struct HdGeomSubset {
41  enum Type {
42  /// A subset of faces
44 
45  // For now, there is only one type, but this may grow in the future
46  // to accomodate edges, points, etc.
47  };
48 
49  /// The type of elements this geometry subset includes.
51  /// The path used to identify this subset in the scene.
53  /// The path used to identify this material bound to the subset.
55  /// The list of element indices contained in the subset.
56  VtIntArray indices;
57 };
58 
59 /// A group of geometry subsets.
60 typedef std::vector<HdGeomSubset> HdGeomSubsets;
61 
62 HD_API
63 bool operator==(const HdGeomSubset& lhs, const HdGeomSubset& rhs);
64 
66 
67 #endif // PXR_IMAGING_HD_GEOM_SUBSET_H
#define HD_API
Definition: api.h:40
A subset of faces.
Definition: geomSubset.h:43
VtIntArray indices
The list of element indices contained in the subset.
Definition: geomSubset.h:56
Definition: path.h:291
SdfPath id
The path used to identify this subset in the scene.
Definition: geomSubset.h:52
std::vector< HdGeomSubset > HdGeomSubsets
A group of geometry subsets.
Definition: geomSubset.h:60
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1441
SdfPath materialId
The path used to identify this material bound to the subset.
Definition: geomSubset.h:54
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
Type type
The type of elements this geometry subset includes.
Definition: geomSubset.h:50
bool operator==(const Mat3< T0 > &m0, const Mat3< T1 > &m1)
Equality operator, does exact floating point comparisons.
Definition: Mat3.h:542