/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSG_DRAWMESHTASKS
#define OSG_DRAWMESHTASKS 1

#include <osg/Drawable>

namespace osg {

/** DrawMeshTasks is an osg::Drawable subclass which encapsulates glDrawMeshTasksNV.*/
class OSG_EXPORT DrawMeshTasks : public Drawable
{
    public:

        DrawMeshTasks();

        DrawMeshTasks(GLuint first, GLuint count);

        /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
        DrawMeshTasks(const DrawMeshTasks& drawimage,const CopyOp& copyop=CopyOp::SHALLOW_COPY);

        META_Node(osg, DrawMeshTasks);

        void setFirst(GLuint first) { _first = first; }
        GLuint getFirst() const { return _first; }

        void setCount(GLuint count) { _count = count; }
        GLuint getCount() const { return _count; }

        virtual void drawImplementation(RenderInfo& renderInfo) const;

    protected:

        DrawMeshTasks& operator = (const DrawMeshTasks&) { return *this;}

        virtual ~DrawMeshTasks();

        GLuint _first;
        GLuint _count;
};

}

#endif