FGFS-4.1/OpenSceneGraph
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Added Object::resizeGLObjectBuffers(uint) method to help improve the ability

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to change the number of active graphics contexts on the fly during an applications
life.
This commit is contained in:
Robert Osfield
2007-01-04 14:11:51 +00:00
parent 0ec854a365
commit ff195bddf5
28 changed files with 179 additions and 9 deletions
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18
examples/osgcamera/osgcamera.cpp
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@@ -40,7 +40,7 @@ void singleWindowMultipleCameras(osgViewer::Viewer& viewer)
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
@@ -80,17 +80,18 @@ void multipleWindowMultipleCameras(osgViewer::Viewer& viewer)
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
unsigned int numCameras = 2;
unsigned int numCameras = 4;
double aspectRatioScale = (double)numCameras;
double translate_x = double(numCameras)-1;
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 / 2;
traits->x = (i*width)/numCameras;
traits->y = 0;
traits->width = width/numCameras-1;
traits->height = height;
#if 1
#if 0
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
@@ -103,7 +104,7 @@ void multipleWindowMultipleCameras(osgViewer::Viewer& viewer)
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, traits->width, traits->height );
}
@@ -149,7 +150,7 @@ int main( int argc, char **argv )
}
}
osg::DisplaySettings::instance()->setMaxNumberOfGraphicsContexts(2);
// osg::DisplaySettings::instance()->setMaxNumberOfGraphicsContexts(4);
osg::Referenced::setThreadSafeReferenceCounting(true);
// load the scene.
@@ -171,7 +172,7 @@ int main( int argc, char **argv )
if (apm.valid()) viewer.setCameraManipulator(apm.get());
else viewer.setCameraManipulator( new osgGA::TrackballManipulator() );
#if 0
#if 1
// singleWindowMultipleCameras(viewer);
@@ -182,7 +183,10 @@ int main( int argc, char **argv )
viewer.setUpViewAcrossAllScreens();
#endif
#endif
loadedModel->resizeGLObjectBuffers(osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts());
viewer.realize();