OpenSubdiv/opensubdiv/osd/mesh.h

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#ifndef OSD_MESH_H
#define OSD_MESH_H

#include <string>
#include <vector>

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

#include "../far/mesh.h"
#include "../far/meshFactory.h"

#include "../osd/vertex.h"
#include "../osd/vertexBuffer.h"
#include "../osd/kernelDispatcher.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();

    virtual ~OsdMesh();

    // Given a valid HbrMesh, create an OsdMesh 
    //   - cappable of densely refining up to 'level'
    //   - subdivision kernel one of (kCPU, kOPENMP, kCUDA, kGLSL, kCL)
    //   - optional "remapping" vector that connects Osd and Hbr vertex indices 
    //     (for regression)
    bool Create(OsdHbrMesh *hbrMesh, int level, int kernel, std::vector<int> * remap=0);

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

    OsdVertexBuffer *InitializeVertexBuffer(int numElements);

    // for non-interleaved vertex data
    void Subdivide(OsdVertexBuffer *vertex, OsdVertexBuffer *varying = NULL);

/*
    // for interleaved vertex data ?
    template <class T> void Subdivide(T *vertex) { }
*/

    void Synchronize();

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

    int GetNumCoarseVertices() const { return _fMesh->GetNumCoarseVertices(); }

protected:

    void createTables( FarSubdivisionTables<OsdVertex> const * tables );
    
    FarMesh<OsdVertex> *_fMesh;
    
    int _level;

    OsdKernelDispatcher * _dispatcher;
};

} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;

} // end namespace OpenSubdiv

#endif /* OSD_MESH_H */