FGFS-4.1/OpenSceneGraph
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Added default file in case no file arguments are provided. Changed to use

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standard ThreadingHandler by default.
This commit is contained in:
Robert Osfield
2007-06-09 19:18:24 +00:00
parent 2532b5f06e
commit 7ce05f6d9d
1 changed files with 12 additions and 72 deletions
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84
examples/osgcamera/osgcamera.cpp
View File

@@ -3,79 +3,12 @@
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/AnimationPathManipulator>
#include <iostream>
class ThreadingHandler : public osgGA::GUIEventHandler
{
public:
ThreadingHandler() {}
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
if (!viewer) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
if (ea.getKey()=='m')
{
switch(viewer->getThreadingModel())
{
case(osgViewer::Viewer::SingleThreaded):
viewer->setThreadingModel(osgViewer::Viewer::CullDrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'CullDrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::CullDrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::DrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'DrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::DrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'CullThreadPerCameraDrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
osg::notify(osg::NOTICE)<<"Threading model 'SingleThreaded' selected."<<std::endl;
break;
case(osgViewer::Viewer::AutomaticSelection):
viewer->setThreadingModel(viewer->suggestBestThreadingModel());
osg::notify(osg::NOTICE)<<"Threading model 'AutomaticSelection' selected."<<std::endl;
break;
}
return true;
}
if (ea.getKey()=='e')
{
switch(viewer->getEndBarrierPosition())
{
case(osgViewer::Viewer::BeforeSwapBuffers):
viewer->setEndBarrierPosition(osgViewer::Viewer::AfterSwapBuffers);
osg::notify(osg::NOTICE)<<"Threading model 'AfterSwapBuffers' selected."<<std::endl;
break;
case(osgViewer::Viewer::AfterSwapBuffers):
viewer->setEndBarrierPosition(osgViewer::Viewer::BeforeSwapBuffers);
osg::notify(osg::NOTICE)<<"Threading model 'BeforeSwapBuffers' selected."<<std::endl;
break;
}
return true;
}
}
default: break;
}
return false;
}
bool _done;
};
class ModelHandler : public osgGA::GUIEventHandler
{
public:
@@ -175,7 +108,7 @@ void singleWindowMultipleCameras(osgViewer::Viewer& viewer)
}
}
void multipleWindowMultipleCameras(osgViewer::Viewer& viewer)
void multipleWindowMultipleCameras(osgViewer::Viewer& viewer, bool multipleScreens)
{
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
@@ -194,7 +127,7 @@ void multipleWindowMultipleCameras(osgViewer::Viewer& viewer)
for(unsigned int i=0; i<numCameras;++i, translate_x -= 2.0)
{
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = i / 3;
traits->screenNum = multipleScreens ? i / 3 : 0;
traits->x = (i*width)/numCameras;
traits->y = 0;
traits->width = width/numCameras-1;
@@ -247,7 +180,7 @@ int main( int argc, char **argv )
}
}
osgViewer::Viewer viewer;
osgViewer::Viewer viewer(arguments);
while (arguments.read("-s")) { viewer.setThreadingModel(osgViewer::Viewer::SingleThreaded); }
while (arguments.read("-g")) { viewer.setThreadingModel(osgViewer::Viewer::CullDrawThreadPerContext); }
@@ -260,10 +193,14 @@ int main( int argc, char **argv )
// alternative viewer window setups.
while (arguments.read("-1")) { singleWindowMultipleCameras(viewer); }
while (arguments.read("-2")) { multipleWindowMultipleCameras(viewer); }
while (arguments.read("-2")) { multipleWindowMultipleCameras(viewer, false); }
while (arguments.read("-3")) { multipleWindowMultipleCameras(viewer, true); }
if (apm.valid()) viewer.setCameraManipulator(apm.get());
else viewer.setCameraManipulator( new osgGA::TrackballManipulator() );
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.addEventHandler(new osgViewer::ThreadingHandler);
std::string configfile;
while (arguments.read("--config", configfile))
@@ -299,6 +236,9 @@ int main( int argc, char **argv )
// load the scene.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
if (!loadedModel) loadedModel = osgDB::readNodeFile("cow.osg");
if (!loadedModel)
{
std::cout << argv[0] <<": No data loaded." << std::endl;