FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Refactored the sort of the requestQueue so that there is single code path for doing the sort.

Browse Source
This commit is contained in:
Robert Osfield 2008-06-27 18:59:27 +00:00
parent 214491dd94
commit a9b05e0815
2 changed files with 31 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/osgDB/DatabasePager
View File

@ -348,6 +348,8 @@ class OSGDB_EXPORT DatabasePager : public osg::NodeVisitor::DatabaseRequestHandl
struct RequestQueue : public osg::Referenced
{
typedef std::list< osg::ref_ptr<DatabaseRequest> > RequestList;
void sort();
RequestList _requestList;
OpenThreads::Mutex _requestMutex;

45
src/osgDB/DatabasePager.cpp
View File

@ -83,20 +83,6 @@ RefPtrAdapter<FuncObj> refPtrAdapt(const FuncObj& func)
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// SortFileRequestFunctor
//
struct DatabasePager::SortFileRequestFunctor
{
bool operator() (const osg::ref_ptr<DatabasePager::DatabaseRequest>& lhs,const osg::ref_ptr<DatabasePager::DatabaseRequest>& rhs) const
{
if (lhs->_timestampLastRequest>rhs->_timestampLastRequest) return true;
else if (lhs->_timestampLastRequest<rhs->_timestampLastRequest) return false;
else return (lhs->_priorityLastRequest>rhs->_priorityLastRequest);
}
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// FindCompileableGLObjectsVisitor
@ -236,6 +222,31 @@ public:
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// SortFileRequestFunctor
//
struct DatabasePager::SortFileRequestFunctor
{
bool operator() (const osg::ref_ptr<DatabasePager::DatabaseRequest>& lhs,const osg::ref_ptr<DatabasePager::DatabaseRequest>& rhs) const
{
if (lhs->_timestampLastRequest>rhs->_timestampLastRequest) return true;
else if (lhs->_timestampLastRequest<rhs->_timestampLastRequest) return false;
else return (lhs->_priorityLastRequest>rhs->_priorityLastRequest);
}
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// ReadQueue
//
void DatabasePager::RequestQueue::sort()
{
_requestList.sort(SortFileRequestFunctor());
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// ReadQueue
@ -279,7 +290,8 @@ void DatabasePager::ReadQueue::takeFirst(osg::ref_ptr<DatabaseRequest>& database
if (!_requestList.empty())
{
_requestList.sort(SortFileRequestFunctor());
sort();
databaseRequest = _requestList.front();
databaseRequest->_requestQueue = 0;
_requestList.erase(_requestList.begin());
@ -659,7 +671,8 @@ void DatabasePager::DatabaseThread::run()
if (loadedObjectsNeedToBeCompiled)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_pager->_dataToCompileList->_requestMutex);
_pager->_dataToCompileList->_requestList.sort(SortFileRequestFunctor());
_pager->_dataToCompileList->sort();
// Prune all the old entries.
RequestQueue::RequestList::iterator tooOld