OpenSubdiv/opensubdiv/osd/elementArrayBuffer.h

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#ifndef OSD_ELEMENT_ARRAY_BUFFER_H
#define OSD_ELEMENT_ARRAY_BUFFER_H

#include "../version.h"

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

#if not defined(__APPLE__)
    #if defined(_WIN32)
        #include <windows.h>
    #endif
    #include <GL/gl.h>
#else
    #include <OpenGL/gl3.h>
#endif

namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {

class OsdElementArrayBuffer {

    // note: This class is transitional.
    // Currently this class is tailored for OpenGL drawing with uniform dense quads.
    // will be extended to accommodate other API like DirectX etc.

    // Also adaptive patch configurations will be included in this class later.

public:
    OsdElementArrayBuffer(FarMesh<OsdVertex> *mesh, int level);
    virtual ~OsdElementArrayBuffer();

    int GetNumIndices() const;

    GLuint GetGlBuffer() const;

protected:
    int _numIndices;
    GLuint _buffer;
};

} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;

} // end namespace OpenSubdiv

#endif // OSD_ELEMENT_ARRAY_BUFFER_H