vertexAdjacency.h

//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef PXR_IMAGING_HD_VERTEX_ADJACENCY_H
#define PXR_IMAGING_HD_VERTEX_ADJACENCY_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
 
#include "pxr/base/vt/array.h"
 
#include <memory>
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
using Hd_VertexAdjacencySharedPtr = 
    std::shared_ptr<class Hd_VertexAdjacency>;
 
class HdMeshTopology;
 
class Hd_VertexAdjacency final
{
public:
    HD_API
    Hd_VertexAdjacency();
 
    HD_API
    ~Hd_VertexAdjacency();
 
    HD_API
    void BuildAdjacencyTable(HdMeshTopology const *topology);
 
    int GetNumPoints() const {
        return _numPoints;
    }
 
    VtIntArray const &GetAdjacencyTable() const {
        return _adjacencyTable;
    }
 
private:
    int _numPoints;
    VtIntArray _adjacencyTable;
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif  // PXR_IMAGING_HD_VERTEX_ADJACENCY_H