[CHANGE] - removed unused WOffscreen class

src/graphicsEngine/WOffscreen.cpp

-//---------------------------------------------------------------------------
-//
-// Project: OpenWalnut ( http://www.openwalnut.org )
-//
-// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
-// For more information see http://www.openwalnut.org/copying
-//
-// This file is part of OpenWalnut.
-//
-// OpenWalnut 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 3 of the License, or
-// (at your option) any later version.
-//
-// OpenWalnut 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 OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
-//
-//---------------------------------------------------------------------------
-
-#include <osg/Texture>
-#include <osg/Texture2D>
-
-#include "WOffscreen.h"
-
-WOffscreen::WOffscreen( osg::ref_ptr< osg::Camera > reference, int num ):
-    osg::Camera(),
-    m_referenceCamera( reference ),
-    m_fbo( new osg::FrameBufferObject() )
-{
-    // initialize members
-    setClearColor( reference->getClearColor() );
-    setClearMask( reference->getClearMask() );
-    setReferenceFrame( osg::Transform::RELATIVE_RF );
-    setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
-    setRenderOrder( osg::Camera::PRE_RENDER, num );
-}
-
-WOffscreen::~WOffscreen()
-{
-    // cleanup
-}
-
-void WOffscreen::attach( BufferComponent buffer, osg::ref_ptr< osg::Texture2D > texture )
-{
-    m_fbo->setAttachment( buffer, osg::FrameBufferAttachment( texture ) );
-
-    osg::Camera::attach( buffer, texture );
-}
-
-osg::ref_ptr< osg::Texture2D > WOffscreen::attach( BufferComponent buffer )
-{
-    osg::ref_ptr< osg::Texture2D > tex = createTexture();
-    attach( buffer, tex );
-    return tex;
-}
-
-void WOffscreen::detach( BufferComponent buffer )
-{
-    m_fbo->setAttachment( buffer, osg::FrameBufferAttachment() );
-
-    osg::Camera::detach( buffer );
-}
-
-osg::ref_ptr< osg::Texture2D > WOffscreen::createTexture( GLint internalFormat )
-{
-    osg::ref_ptr< osg::Texture2D > tex = new osg::Texture2D;
-    tex->setTextureSize( m_referenceCamera->getViewport()->width(), m_referenceCamera->getViewport()->height() );
-    tex->setInternalFormat( internalFormat );
-
-    // setup interpolation
-    tex->setFilter( osg::Texture::MIN_FILTER, osg::Texture::LINEAR );
-    tex->setFilter( osg::Texture::MAG_FILTER, osg::Texture::LINEAR );
-
-    // do repeat the texture
-    tex->setWrap( osg::Texture::WRAP_S, osg::Texture::REPEAT );
-    tex->setWrap( osg::Texture::WRAP_T, osg::Texture::REPEAT );
-
-    return tex;
-}
-

src/graphicsEngine/WOffscreen.h

-//---------------------------------------------------------------------------
-//
-// Project: OpenWalnut ( http://www.openwalnut.org )
-//
-// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
-// For more information see http://www.openwalnut.org/copying
-//
-// This file is part of OpenWalnut.
-//
-// OpenWalnut 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 3 of the License, or
-// (at your option) any later version.
-//
-// OpenWalnut 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 OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
-//
-//---------------------------------------------------------------------------
-
-#ifndef WOFFSCREEN_H
-#define WOFFSCREEN_H
-
-#include <osg/Camera>
-#include <osg/FrameBufferObject>
-
-/**
- * This class encapsulates an OSG Camera and a corresponding framebuffer object. It is especially useful for offscreen renderings. It is a camera
- * which, by default, is the same as the camera in the this instance nesting graph. It allows simple attachment of textures to a offscreen
- * rendering as well as easy texture creation.
- */
-class WOffscreen: public osg::Camera
-{
-public:
-
-    /**
-     * Creates a new offscreen rendering instance. It uses the specified camera for setup.
-     *
-     * \param reference the reference camera.
-     * \param num the order number. This camera gets rendered at the num'th place in the pre render queue of the subgraph it is attached to.
-     */
-    WOffscreen( osg::ref_ptr< osg::Camera > reference, int num = 0 );
-
-    /**
-     * Destructor.
-     */
-    virtual ~WOffscreen();
-
-    /**
-     * Attach a given texture to a buffer.
-     *
-     * \param buffer the buffer to attach the texture to
-     * \param texture the texture to attach
-     *
-     * \note if the node is added to the graph, these functions should only be called from within an update callback.
-     */
-    void attach( BufferComponent buffer, osg::ref_ptr< osg::Texture2D > texture );
-
-    /**
-     * This method attaches a texture to the given buffer. The texture gets created with the resolution of the FBO.
-     *
-     * \param buffer the buffer to attach the new texture to
-     *
-     * \note if the node is added to the graph, these functions should only be called from within an update callback.
-     *
-     * \return the newly created texture.
-     */
-    osg::ref_ptr< osg::Texture2D > attach( BufferComponent buffer );
-
-    /**
-     * Detaches the texture currently bound to the specified buffer.
-     *
-     * \param buffer the buffer to detach.
-     *
-     * \note if the node is added to the graph, these functions should only be called from within an update callback.
-     */
-    void detach( BufferComponent buffer );
-
-    /**
-     * Creates a new texture suitable for this offscreen rendering instance. The texture will have the same size as the viewport of this camera.
-     *
-     * \param internalFormat the format to use for the texture.
-     *
-     * \return the newly created texture
-     */
-    osg::ref_ptr< osg::Texture2D > createTexture( GLint internalFormat = GL_RGBA );
-
-protected:
-
-    /**
-     * The camera to which is used for setting this camera up.
-     */
-    osg::ref_ptr< osg::Camera > m_referenceCamera;
-
-    /**
-     * The framebuffer object to use for this camera.
-     */
-    osg::ref_ptr<osg::FrameBufferObject> m_fbo;
-
-private:
-};
-
-#endif  // WOFFSCREEN_H
-