FGFS-4.1/OpenSceneGraph
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Added support for call root Camera CullCallbacks

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This commit is contained in:
Robert Osfield
2010-01-05 11:15:03 +00:00
parent 79ba6dace4
commit e54c855467
1 changed files with 8 additions and 10 deletions
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18
src/osgUtil/SceneView.cpp
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@@ -887,10 +887,7 @@ bool SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
_collectOccludersVisitor->pushModelViewMatrix(mv.get(),osg::Transform::ABSOLUTE_RF);
// traverse the scene graph to search for occluder in there new positions.
for(unsigned int i=0; i< _camera->getNumChildren(); ++i)
{
_camera->getChild(i)->accept(*_collectOccludersVisitor);
}
_collectOccludersVisitor->traverse(*_camera);
_collectOccludersVisitor->popModelViewMatrix();
_collectOccludersVisitor->popProjectionMatrix();
@@ -969,16 +966,17 @@ bool SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
cullVisitor->pushViewport(viewport);
cullVisitor->pushProjectionMatrix(proj.get());
cullVisitor->pushModelViewMatrix(mv.get(),osg::Transform::ABSOLUTE_RF);
// traverse the scene graph to generate the rendergraph.
for(unsigned int childNo=0;
childNo<_camera->getNumChildren();
++childNo)
// traverse the scene graph to generate the rendergraph.
// If the camera has a cullCallback execute the callback which has the
// requirement that it must traverse the camera's children.
{
_camera->getChild(childNo)->accept(*cullVisitor);
osg::NodeCallback* callback = _camera->getCullCallback();
if (callback) (*callback)(_camera.get(), cullVisitor);
else _cullVisitor->traverse(*_camera);
}
cullVisitor->popModelViewMatrix();
cullVisitor->popProjectionMatrix();
cullVisitor->popViewport();