void GLBufferObjectSet::flushDeletedGLBufferObjects(double /*currentTime*/, double& availableTime)
{
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
if (!_pendingOrphanedGLBufferObjects.empty())
{
// OSG_NOTICE<<"GLBufferObjectSet::flushDeletedGLBufferObjects(..) handling orphans"<<std::endl;
handlePendingOrphandedGLBufferObjects();
}
}
if (_parent->getCurrGLBufferObjectPoolSize()<=_parent->getMaxGLBufferObjectPoolSize())
{
OSG_INFO<<"Plenty of space in GLBufferObject pool"<<std::endl;
return;
}
// if nothing to delete return
if (_orphanedGLBufferObjects.empty()) return;
// if no time available don't try to flush objects.
if (availableTime<=0.0) return;
unsigned int numDeleted = 0;
unsigned int sizeRequired = _parent->getCurrGLBufferObjectPoolSize() - _parent->getMaxGLBufferObjectPoolSize();
unsigned int maxNumObjectsToDelete = static_cast<unsigned int>(ceil(double(sizeRequired) / double(_profile._size)));
OSG_INFO<<"_parent->getCurrGLBufferObjectPoolSize()="<<_parent->getCurrGLBufferObjectPoolSize() <<" _parent->getMaxGLBufferObjectPoolSize()="<< _parent->getMaxGLBufferObjectPoolSize()<<std::endl;
OSG_INFO<<"Looking to reclaim "<<sizeRequired<<", going to look to remove "<<maxNumObjectsToDelete<<" from "<<_orphanedGLBufferObjects.size()<<" orphans"<<std::endl;
ElapsedTime timer;
GLBufferObjectList::iterator itr = _orphanedGLBufferObjects.begin();
for(;
itr != _orphanedGLBufferObjects.end() && timer.elapsedTime()<availableTime && numDeleted<maxNumObjectsToDelete;
++itr)
{
(*itr)->deleteGLObject();
++numDeleted;
}
// OSG_NOTICE<<"Size before = "<<_orphanedGLBufferObjects.size();
_orphanedGLBufferObjects.erase(_orphanedGLBufferObjects.begin(), itr);
// OSG_NOTICE<<", after = "<<_orphanedGLBufferObjects.size()<<" numDeleted = "<<numDeleted<<std::endl;
// update the number of TO's in this GLBufferObjectSet
_numOfGLBufferObjects -= numDeleted;
_parent->setCurrGLBufferObjectPoolSize( _parent->getCurrGLBufferObjectPoolSize() - numDeleted*_profile._size );
// update the number of active and orphaned TextureObjects
_parent->getNumberOrphanedGLBufferObjects() -= numDeleted;
_parent->getNumberDeleted() += numDeleted;
availableTime -= timer.elapsedTime();
}
void GLBufferObjectSet::flushDeletedGLBufferObjects(double currentTime, double& availableTime)
{
// if nothing to delete return
if (_orphanedGLBufferObjects.empty()) return;
// if no time available don't try to flush objects.
if (availableTime<=0.0) return;
// if we don't have too many orphaned texture objects then don't bother deleting them, as we can potentially reuse them later.
if (_parent->getNumberOrphanedGLBufferObjects()<=s_minimumNumberOfGLBufferObjectsToRetainInCache) return;
unsigned int numDeleted = 0;
unsigned int maxNumObjectsToDelete = _parent->getNumberOrphanedGLBufferObjects()-s_minimumNumberOfGLBufferObjectsToRetainInCache;
if (maxNumObjectsToDelete>4) maxNumObjectsToDelete = 4;
ElapsedTime timer;
GLBufferObjectList::iterator itr = _orphanedGLBufferObjects.begin();
for(;
itr != _orphanedGLBufferObjects.end() && timer.elapsedTime()<availableTime && numDeleted<maxNumObjectsToDelete;
++itr)
{
(*itr)->deleteGLObject();
++numDeleted;
}
// OSG_NOTIFY(osg::NOTICE)<<"Size before = "<<_orphanedGLBufferObjects.size();
_orphanedGLBufferObjects.erase(_orphanedGLBufferObjects.begin(), itr);
//OSG_NOTIFY(osg::NOTICE)<<", after = "<<_orphanedGLBufferObjects.size()<<" numDeleted = "<<numDeleted<<std::endl;
// update the number of TO's in this GLBufferObjectSet
_numOfGLBufferObjects -= numDeleted;
_parent->setCurrGLBufferObjectPoolSize( _parent->getCurrGLBufferObjectPoolSize() - numDeleted*_profile._size );
// update the number of active and orphaned TextureOjects
_parent->getNumberOrphanedGLBufferObjects() -= numDeleted;
_parent->getNumberActiveGLBufferObjects() += numDeleted;
_parent->getNumberDeleted() += numDeleted;
availableTime -= timer.elapsedTime();
}