/* -*-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_MULTIDRAWMESHTASKSINDIRECT
#define OSG_MULTIDRAWMESHTASKSINDIRECT 1

#include <osg/Drawable>

namespace osg {

/** MultiDrawMeshTasksIndirect is an osg::Drawable subclass which encapsulates glMultiDrawMeshTasksIndirectNV.*/
class OSG_EXPORT MultiDrawMeshTasksIndirect : public Drawable
{
    public:

        MultiDrawMeshTasksIndirect();

        MultiDrawMeshTasksIndirect(GLintptr offset, GLsizei drawCount, GLsizei stride);

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

        META_Node(osg, MultiDrawMeshTasksIndirect);

        void setOffset(GLintptr offset) { _offset = offset; }
        GLintptr getOffset() const { return _offset; }

        void setDrawCount(GLsizei count) { _drawCount = count; }
        GLsizei getDrawCount() const { return _drawCount; }

        void setStride(GLsizei stride) { _stride = stride; }
        GLsizei getStride() const { return _stride; }

        virtual void drawImplementation(RenderInfo& renderInfo) const;

    protected:

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

        virtual ~MultiDrawMeshTasksIndirect();

        GLintptr _offset;
        GLsizei  _drawCount;
        GLsizei  _stride;
};

}

#endif