VRS - The Virtual Rendering System

version 3.3

mappedvertexattributeshaperayintersectorgl.h

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/******************************************************************************
 * VRS - The Virtual Rendering System
 * Copyright (C) 2000-2004 Computer Graphics Systems Group at the 
 * Hasso-Plattner-Institute (HPI), Potsdam, Germany.
 *
 * This  library  is  free  software; you can redistribute it and/or  modify it
 * under the terms of the GNU Lesser General Public  License  as  published  by
 * the  Free  Software  Foundation;  either  version 2.1 of the License, or (at
 * your option) any later version. 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
 * GNU Lesser General Public License for more details. You should have received
 * a copy of the GNU Lesser+ General Public License along with this library; if
 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA, 02111-1307, USA.
 ******************************************************************************/

// $Id: mappedvertexattributeshaperayintersectorgl.h 6281 2008-03-10 10:01:14Z Konstantin_Baumann $

#ifndef VRS_OPENGL_MAPPEDVERTEXATTRIBUTESHAPERAYINTERSECTORGL_H
#define VRS_OPENGL_MAPPEDVERTEXATTRIBUTESHAPERAYINTERSECTORGL_H

#include <vrs/rayintersector.h>

namespace VRS {

class BaseVertexAttributeBufferObjectGL;

class VRS_CORE_API MappedVertexAttributeShapeRayIntersectorGL : public RayIntersector {

public:
    virtual ID target() const;

    virtual bool intersect(
        Engine* engine,
        const Matrix& mv, const Matrix& ori, const Matrix& pr,
        const Shape* S, const Ray&, RayTracingTechnique* tracer
    );

    VRS_TYPEINFO(MappedVertexAttributeShapeRayIntersectorGL, RayIntersector);

private:
    template<typename INT_TYPE>
    bool intersectIndexedShape(
        SO<const BaseVertexAttributeBufferObjectGL> indexBuffer,
        const Vector3f* vertices,
        const Matrix& instanceTransform,
        const Matrix& mv, const Matrix& ori, const Matrix& pr,
        const Shape* S, const Ray&, RayTracingTechnique* tracer,
        unsigned int instanceInfo,
        const SO<Iterator<UINT32> >& ids
    );
};

} // namespace VRS

#endif // VRS_OPENGL_MAPPEDVERTEXATTRIBUTESHAPERAYINTERSECTORGL_H

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