88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/* OpenSceneGraph example, osgshaders.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/* file: examples/osgglsl/osgshaders.cpp
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* author: Mike Weiblen 2005-04-05
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*
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* A demo of the OpenGL Shading Language shaders using core OSG.
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*
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* See http://www.3dlabs.com/opengl2/ for more information regarding
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* the OpenGL Shading Language.
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*/
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#include <osg/Notify>
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#include <osgGA/GUIEventAdapter>
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#include <osgGA/GUIActionAdapter>
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#include <osgDB/ReadFile>
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#include <osgUtil/Optimizer>
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#include <osgViewer/Viewer>
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#include "GL2Scene.h"
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using namespace osg;
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///////////////////////////////////////////////////////////////////////////
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class KeyHandler: public osgGA::GUIEventHandler
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{
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public:
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KeyHandler( GL2ScenePtr gl2Scene ) :
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_gl2Scene(gl2Scene)
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{}
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bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& )
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{
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if( ea.getEventType() != osgGA::GUIEventAdapter::KEYDOWN )
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return false;
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switch( ea.getKey() )
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{
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case 'x':
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_gl2Scene->reloadShaderSource();
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return true;
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case 'y':
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_gl2Scene->toggleShaderEnable();
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return true;
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}
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return false;
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}
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private:
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GL2ScenePtr _gl2Scene;
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};
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///////////////////////////////////////////////////////////////////////////
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int main(int, char **)
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{
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// construct the viewer.
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osgViewer::Viewer viewer;
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// create the scene
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GL2ScenePtr gl2Scene = new GL2Scene;
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viewer.setSceneData( gl2Scene->getRootNode().get() );
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viewer.addEventHandler( new KeyHandler(gl2Scene) );
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return viewer.run();
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}
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/*EOF*/
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