OpenSubdiv/opensubdiv/osd/mesh.h

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#ifndef OSD_MESH_H
#define OSD_MESH_H

#include <string>
#include <vector>
#include <GL/glew.h>

#include "../osd/vertex.h"

#include "../far/mesh.h"
#include "../hbr/mesh.h"
#include "../hbr/vertex.h"
#include "../hbr/face.h"
#include "../hbr/halfedge.h"

namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {

class OsdKernelDispatcher;

typedef HbrMesh<OsdVertex>     OsdHbrMesh;
typedef HbrVertex<OsdVertex>   OsdHbrVertex;
typedef HbrHalfedge<OsdVertex> OsdHbrHalfedge;
typedef HbrFace<OsdVertex>     OsdHbrFace;

class OsdMesh
{
public:
    OsdMesh(int numVertexElements, int numVaryingElements);
    virtual ~OsdMesh();

    bool Create(OsdHbrMesh *hbrMesh, int level, const std::string &kernel);

    void UpdatePoints(const std::vector<float> &points);
    void GetRefinedPoints(std::vector<float> &refinedPoints);
    void UpdateVaryings(const std::vector<float> &varyings);
    void GetRefinedVaryings(std::vector<float> &refinedVaryings);

    FarMesh<OsdVertex> *GetFarMesh() { return _mMesh; }

    void Subdivide();
    void Synchronize();

    int GetNumVertexElements() const { return _numVertexElements; }
    int GetNumVaryingElements() const { return _numVaryingElements; }
    GLuint GetVertexBuffer() const { return _vertexBuffer; }
    GLuint GetVaryingBuffer() const { return _varyingBuffer; }

protected:

    int GetTotalVertices() const { return _mMesh->GetNumVertices(); }
    int GetNumCoarseVertices() const { return _mMesh->GetNumCoarseVertices(); }

    FarMesh<OsdVertex> *_mMesh;
    int _numVertexElements, _numVaryingElements;
    int _level;

    GLuint _vertexBuffer, _varyingBuffer;
    OsdKernelDispatcher * _dispatcher;
};

} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;

} // end namespace OpenSubdiv

#endif /* OSD_MESH_H */