OpenWalnut  1.4.0
WGEPostprocessorGauss.h
00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #ifndef WGEPOSTPROCESSORGAUSS_H
00026 #define WGEPOSTPROCESSORGAUSS_H
00027 
00028 #include <boost/shared_ptr.hpp>
00029 
00030 #include <osg/Texture2D>
00031 
00032 #include "WGEPostprocessor.h"
00033 
00034 /**
00035  * Gauss filtering of the input. It does filter all the textures you bind on it and returns a gauss filtered version. If you want to define the
00036  * exact list of textures to filter in one pass, use the alternative \ref create call.
00037  */
00038 class WGEPostprocessorGauss: public WGEPostprocessor
00039 {
00040 public:
00041     /**
00042      * Convenience typedef for a boost::shared_ptr< WGEPostprocessorGauss >.
00043      */
00044     typedef boost::shared_ptr< WGEPostprocessorGauss > SPtr;
00045 
00046     /**
00047      * Convenience typedef for a boost::shared_ptr< const WGEPostprocessorGauss >.
00048      */
00049     typedef boost::shared_ptr< const WGEPostprocessorGauss > ConstSPtr;
00050 
00051     /**
00052      * Default constructor.
00053      */
00054     WGEPostprocessorGauss();
00055 
00056     /**
00057      * Constructor. We implement a public constructor which can take more textures as input
00058      *
00059      * \param offscreen use this offscreen node to add your texture pass'
00060      * \param tex0 texture to filter
00061      * \param tex1 texture to filter
00062      * \param tex2 texture to filter
00063      * \param tex3 texture to filter
00064      * \param tex4 texture to filter
00065      * \param tex5 texture to filter
00066      * \param tex6 texture to filter
00067      * \param tex7 texture to filter
00068      */
00069     WGEPostprocessorGauss( osg::ref_ptr< WGEOffscreenRenderNode > offscreen,
00070                            osg::ref_ptr< osg::Texture2D > tex0,
00071                            osg::ref_ptr< osg::Texture2D > tex1 = osg::ref_ptr< osg::Texture2D >(),
00072                            osg::ref_ptr< osg::Texture2D > tex2 = osg::ref_ptr< osg::Texture2D >(),
00073                            osg::ref_ptr< osg::Texture2D > tex3 = osg::ref_ptr< osg::Texture2D >(),
00074                            osg::ref_ptr< osg::Texture2D > tex4 = osg::ref_ptr< osg::Texture2D >(),
00075                            osg::ref_ptr< osg::Texture2D > tex5 = osg::ref_ptr< osg::Texture2D >(),
00076                            osg::ref_ptr< osg::Texture2D > tex6 = osg::ref_ptr< osg::Texture2D >(),
00077                            osg::ref_ptr< osg::Texture2D > tex7 = osg::ref_ptr< osg::Texture2D >() );
00078 
00079     /**
00080      * Destructor.
00081      */
00082     virtual ~WGEPostprocessorGauss();
00083 
00084     /**
00085      * Create instance. Uses the protected constructor. Implement it if you derive from this class!
00086      *
00087      * \param offscreen use this offscreen node to add your texture pass'
00088      * \param gbuffer the input textures you should use
00089      * \returns shared pointer to the created instance
00090      */
00091     virtual WGEPostprocessor::SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen,
00092                                            const PostprocessorInput& gbuffer ) const;
00093 protected:
00094 private:
00095 };
00096 
00097 #endif  // WGEPOSTPROCESSORGAUSS_H
00098