FGFS-4.1/OpenSceneGraph
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Moved rendering support into GraphisContext, osgViewer::Viewer/View, and

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added frame stamp updating and update traversal to osgViewer::Scene/Viewer.

Updated osgcamera example to use new Viewer API calls instead of using local
rendering calls.
This commit is contained in:
Robert Osfield
2006-12-21 16:56:20 +00:00
parent 8f9d2eeb46
commit 4fc9af7ea0
10 changed files with 311 additions and 96 deletions
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41
src/osgViewer/View.cpp
View File

@@ -99,7 +99,7 @@ void View::setUpViewAcrossAllScreens()
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<std::endl;
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl;
}
else
{
@@ -140,7 +140,7 @@ void View::setUpViewAcrossAllScreens()
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()->setUseFixedMouseInputRange(true);
gw->getEventQueue()->getCurrentEventState()->setInputRange(inputRangeMinX, inputRangeMinY, inputRangeMinX+float(width),inputRangeMinY+float(height) );
@@ -167,14 +167,37 @@ void View::setUpViewAcrossAllScreens()
assignSceneDataToCameras();
}
// Draw operation, that does a draw on the scene graph.
struct RenderingOperation : public osg::GraphicsContext::Operation
{
RenderingOperation(osgViewer::View* view, osg::Camera* camera, osg::FrameStamp* frameStamp):
osg::GraphicsContext::Operation("Render",true)
{
_sceneView = new osgUtil::SceneView;
_sceneView->setDefaults();
_sceneView->setCamera(camera);
_sceneView->setState(camera->getGraphicsContext()->getState());
_sceneView->setSceneData(view->getSceneData());
_sceneView->setFrameStamp(frameStamp);
}
virtual void operator () (osg::GraphicsContext*)
{
_sceneView->cull();
_sceneView->draw();
}
osg::ref_ptr<osgUtil::SceneView> _sceneView;
};
void View::setUpRenderingSupport()
{
osg::FrameStamp* frameStamp = _scene->getFrameStamp();
if (_camera.valid() && _camera->getGraphicsContext())
{
osg::ref_ptr<osgUtil::SceneView> sceneView = new osgUtil::SceneView;
sceneView->setState(_camera->getGraphicsContext()->getState());
sceneView->setCamera(_camera.get());
_camera->setRenderingCache(0, sceneView.get());
_camera->getGraphicsContext()->add(new RenderingOperation(this, _camera.get(), frameStamp));
}
for(unsigned i=0; i<getNumSlaves(); ++i)
@@ -182,11 +205,7 @@ void View::setUpRenderingSupport()
Slave& slave = getSlave(i);
if (slave._camera.valid() && slave._camera->getGraphicsContext())
{
osg::ref_ptr<osgUtil::SceneView> sceneView = new osgUtil::SceneView;
sceneView->setDefaults();
sceneView->setState(slave._camera->getGraphicsContext()->getState());
sceneView->setCamera(slave._camera.get());
slave._camera->setRenderingCache(0, sceneView.get());
slave._camera->getGraphicsContext()->add(new RenderingOperation(this, slave._camera.get(), frameStamp));
}
}
}