Hi John, Are you planning to submit this example for inclusion with the OSG example set? If so then I could integrate then I and others could tweak it so it works.
Robert. On Wed, Oct 29, 2008 at 12:51 PM, John Vidar Larring <[EMAIL PROTECTED]> wrote: > Hi Robert, > >> There isn't much to go wrong is this method, so I doubt there is a bug >> in it. I suspect the read queues are just being emptied really fast >> so you are missing when they are not empty. Or perhaps you are >> testing the wrong DatabasePager. > > I think I've got the correct DatabasePager(?). This is a single view > application and I get hold of the DatabasePager in the following way: > > osgDB::DatabasePager* pager = viewer->getDatabasePager(); > > Before the first frame is rendered I get the following debug info: > > viewer->done()=false > pager->getFileRequestListSize()=0 > pager->getDataToCompileListSize()=0 > pager->requiresUpdateSceneGraph()=false > pager->isRunning()=false > pager->getNumFramesActive()=0 > pager->getNumDatabaseThreads()=2 > pager->getAcceptNewDatabaseRequests()=true > > After the first frame and all consecutive frames I get the following states: > > viewer->done()=false > pager->getFileRequestListSize()=0 > pager->getDataToCompileListSize()=0 > pager->requiresUpdateSceneGraph()=false > pager->isRunning()=true > pager->getNumFramesActive()=0 > pager->getNumDatabaseThreads()=2 > pager->getAcceptNewDatabaseRequests()=true > > Only the state of DatabasePager::isRunning() changes to true and it does not > seems to go back to false again. I have "accidentally" managed to get > pager->getDataToCompileListSize() to return 1 once or twice, but nothing I > can base a while-loop on. > > I guess I'll just have to trace my way through the debugger to find out what > I'm doing wrong, unless you have any further info to share. > > Best regards, > John > > Robert Osfield wrote: >> >> Hi John, >> >> On Tue, Oct 28, 2008 at 4:16 PM, John Vidar Larring >> <[EMAIL PROTECTED]> wrote: >>> >>> I was hoping this would work too, but >>> getDatabasePager()->getFileRequestListSize() _always_ returns 0 (zero). >>> >>> So I am hoping that this is either a bug that can be fixed or that there >>> is >>> another method for checking whether the DatabasePager is done / idle (!?) >> >> There isn't much to go wrong is this method, so I doubt there is a bug >> in it. I suspect the read queues are just being emptied really fast >> so you are missing when they are not empty. Or perhaps you are >> testing the wrong DatabasePager. >> >> You could also check the getDataToCompileListSize() to see if it has >> anything it in, and there isn't a present a DataToMergeListSize() >> method which there should probably. The sum of all these would >> probably be the thing that would test against to see if there isn't >> pending in the pager. >> >> Robert. >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > > > -- > Best regards, > John > WeatherOne > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
