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****************************************************************************/

#ifndef GLTRIANGLEMESH_H

#define GLTRIANGLEMESH_H

//#include <GL/glew.h>

#include "glextensions.h"

#include <QtGui>

#include <QtOpenGL>

#include "glbuffers.h"

template<class TVertex, class TIndex>

class GLTriangleMesh

{

public:

    GLTriangleMesh(int vertexCount, int indexCount) : m_vb(vertexCount), m_ib(indexCount)

    {

    }

    virtual ~GLTriangleMesh()

    {

    }

    virtual void draw()

    {

        if (failed())

            return;

        int type = GL_UNSIGNED_INT;

        if (sizeof(TIndex) == sizeof(char)) type = GL_UNSIGNED_BYTE;

        if (sizeof(TIndex) == sizeof(short)) type = GL_UNSIGNED_SHORT;

        m_vb.bind();

        m_ib.bind();

        glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0));

        m_vb.unbind();

        m_ib.unbind();

    }

    bool failed()

    {

        return m_vb.failed() || m_ib.failed();

    }

protected:

    GLVertexBuffer<TVertex> m_vb;

    GLIndexBuffer<TIndex> m_ib;

};

#endif