/usr/share/openscenegraph/examples/osgshaders/osgshaders.cpp is in openscenegraph-examples 3.0.1-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* OpenSceneGraph example, osgshaders.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* file: examples/osgglsl/osgshaders.cpp
* author: Mike Weiblen 2005-04-05
*
* A demo of the OpenGL Shading Language shaders using core OSG.
*
* See http://www.3dlabs.com/opengl2/ for more information regarding
* the OpenGL Shading Language.
*/
#include <osg/Notify>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osgViewer/Viewer>
#include "GL2Scene.h"
using namespace osg;
///////////////////////////////////////////////////////////////////////////
class KeyHandler: public osgGA::GUIEventHandler
{
public:
KeyHandler( GL2ScenePtr gl2Scene ) :
_gl2Scene(gl2Scene)
{}
bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& )
{
if( ea.getEventType() != osgGA::GUIEventAdapter::KEYDOWN )
return false;
switch( ea.getKey() )
{
case 'x':
_gl2Scene->reloadShaderSource();
return true;
case 'y':
_gl2Scene->toggleShaderEnable();
return true;
}
return false;
}
private:
GL2ScenePtr _gl2Scene;
};
///////////////////////////////////////////////////////////////////////////
int main(int, char **)
{
// construct the viewer.
osgViewer::Viewer viewer;
// create the scene
GL2ScenePtr gl2Scene = new GL2Scene;
viewer.setSceneData( gl2Scene->getRootNode().get() );
viewer.addEventHandler( new KeyHandler(gl2Scene) );
return viewer.run();
}
/*EOF*/
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