FGFS-4.1/OpenSceneGraph
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Fixed cirular reference in DatabaseRequest

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This commit is contained in:
Robert Osfield 2008-05-30 11:43:04 +00:00
parent f07d106366
commit 0cc38108a5
4 changed files with 58 additions and 42 deletions
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2
include/osg/PagedLOD
View File

@ -121,7 +121,7 @@ class OSG_EXPORT PagedLOD : public LOD
protected :
virtual ~PagedLOD() {}
virtual ~PagedLOD();
void expandPerRangeDataTo(unsigned int pos);

2
include/osgDB/DatabasePager
View File

@ -332,7 +332,7 @@ class OSGDB_EXPORT DatabasePager : public osg::NodeVisitor::DatabaseRequestHandl
double _timestampLastRequest;
float _priorityLastRequest;
unsigned int _numOfRequests;
osg::ref_ptr<osg::Group> _groupForAddingLoadedSubgraph;
osg::observer_ptr<osg::Group> _groupForAddingLoadedSubgraph;
osg::ref_ptr<osg::Node> _loadedModel;
DataToCompileMap _dataToCompileMap;
osg::ref_ptr<ReaderWriter::Options> _loadOptions;

4
src/osg/PagedLOD.cpp
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@ -59,6 +59,10 @@ PagedLOD::PagedLOD(const PagedLOD& plod,const CopyOp& copyop):
{
}
PagedLOD::~PagedLOD()
{
}
void PagedLOD::setDatabasePath(const std::string& path)
{
_databasePath = path;

28
src/osgDB/DatabasePager.cpp
View File

@ -397,7 +397,7 @@ void DatabasePager::DatabaseThread::run()
//
// delete any children if required.
//
if (_pager->_deleteRemovedSubgraphsInDatabaseThread)
if (_pager->_deleteRemovedSubgraphsInDatabaseThread && !(read_queue->_childrenToDeleteList.empty()))
{
ObjectList deleteList;
@ -558,11 +558,21 @@ void DatabasePager::DatabaseThread::run()
databaseRequest->_loadedModel = 0;
}
osg::ref_ptr<osg::Group> groupForAddingLoadedSubgraph = databaseRequest->_groupForAddingLoadedSubgraph.get();
if (!groupForAddingLoadedSubgraph)
{
osg::notify(osg::INFO)<<_name<<": Warning parent of loaded subgraph, deleted."<<std::endl;
databaseRequest->_loadedModel = 0;
}
//osg::notify(osg::NOTICE)<<" node read in "<<osg::Timer::instance()->delta_m(before,osg::Timer::instance()->tick())<<" ms"<<std::endl;
bool loadedObjectsNeedToBeCompiled = false;
if (_pager->_doPreCompile && databaseRequest->_loadedModel.valid() && !_pager->_activeGraphicsContexts.empty())
if (_pager->_doPreCompile &&
databaseRequest->_loadedModel.valid() &&
!_pager->_activeGraphicsContexts.empty())
{
// force a compute of the loaded model's bounding volume, so that when the subgraph
// merged with the main scene graph and large computeBound() isn't incurred.
@ -582,7 +592,7 @@ void DatabasePager::DatabaseThread::run()
// push the soon to be parent on the nodepath of the NodeVisitor so that
// during traversal one can test for where it'll be in the overall scene graph
osg::NodePathList nodePathList = databaseRequest->_groupForAddingLoadedSubgraph->getParentalNodePaths();
osg::NodePathList nodePathList = groupForAddingLoadedSubgraph->getParentalNodePaths();
if (!nodePathList.empty())
{
osg::NodePath& nodePath = nodePathList.front();
@ -594,7 +604,7 @@ void DatabasePager::DatabaseThread::run()
}
}
frov.pushOntoNodePath(databaseRequest->_groupForAddingLoadedSubgraph.get());
frov.pushOntoNodePath(groupForAddingLoadedSubgraph.get());
databaseRequest->_loadedModel->accept(frov);
@ -1182,9 +1192,10 @@ void DatabasePager::addLoadedDataToSceneGraph(double timeStamp)
registerPagedLODs(databaseRequest->_loadedModel.get());
osg::Group* group = databaseRequest->_groupForAddingLoadedSubgraph.get();
osg::PagedLOD* plod = dynamic_cast<osg::PagedLOD*>(group);
osg::ref_ptr<osg::Group> group = databaseRequest->_groupForAddingLoadedSubgraph.get();
if (group.valid())
{
osg::PagedLOD* plod = dynamic_cast<osg::PagedLOD*>(group.get());
if (plod)
{
plod->setTimeStamp(plod->getNumChildren(),timeStamp);
@ -1192,7 +1203,7 @@ void DatabasePager::addLoadedDataToSceneGraph(double timeStamp)
}
else
{
osg::ProxyNode* proxyNode = dynamic_cast<osg::ProxyNode*>(group);
osg::ProxyNode* proxyNode = dynamic_cast<osg::ProxyNode*>(group.get());
if (proxyNode)
{
proxyNode->getDatabaseRequest(proxyNode->getNumChildren()) = 0;
@ -1210,6 +1221,7 @@ void DatabasePager::addLoadedDataToSceneGraph(double timeStamp)
_totalTimeToMergeTiles += timeToMerge;
++_numTilesMerges;
}
// reset the loadedModel pointer
databaseRequest->_loadedModel = 0;