FGFS-4.1/OpenSceneGraph
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Ported following examples to osgViewer:

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osgteapot
osgtessellate
osgtext
osgtexture1D
osgtexture2D
osgtexture3D
osgtexturerectangle
osgvertexprogram
osgvolume
osgwindows
osgsimple
osgkeyboardmouse
This commit is contained in:
Robert Osfield
2007-01-11 15:19:59 +00:00
parent ab2d9520a6
commit b121c9686f
59 changed files with 460 additions and 1285 deletions
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68
examples/osgvertexprogram/osgvertexprogram.cpp
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@@ -23,7 +23,9 @@
#include <osgUtil/SmoothingVisitor>
#include <osgUtil/Optimizer>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <iostream>
float refract = 1.02; // ratio of indicies of refraction
@@ -344,36 +346,8 @@ int main(int argc, char *argv[])
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrate support for ARB_vertex_program.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
// construct the viewer.
osgProducer::Viewer viewer(arguments);
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
osgViewer::Viewer viewer;
osg::Group* rootnode = new osg::Group;
@@ -406,10 +380,13 @@ int main(int argc, char *argv[])
viewer.realize();
// now check to see if vertex program is supported.
for(unsigned int contextID = 0;
contextID<viewer.getDisplaySettings()->getMaxNumberOfGraphicsContexts();
++contextID)
osgViewer::Viewer::Windows windows;
viewer.getWindows(windows);
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
unsigned int contextID = (*itr)->getState()->getContextID();
osg::VertexProgram::Extensions* vpExt = osg::VertexProgram::getExtensions(contextID,false);
if (vpExt)
{
@@ -421,28 +398,5 @@ int main(int argc, char *argv[])
}
}
while( !viewer.done() )
{
// wait for all cull and draw threads to complete.
viewer.sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
// wait for all cull and draw threads to complete.
viewer.sync();
// run a clean up frame to delete all OpenGL objects.
viewer.cleanup_frame();
// wait for all the clean up frame to complete.
viewer.sync();
return 0;
return viewer.run();
}