Moved the glShadeModel(FLAT/SMOOTH) outside of the primtitive inner loop to reduce the amount state changes incurred when using FLAT_ primtives.
Moved the glShadeModel(FLAT/SMOOTH) outside of the primtitive inner loop to reduce
the amount state changes incurred when using FLAT_ primtives.


stmh/osg,ntoand/osg,artoolkit/osg,XiaoCC/osg,ntoand/osg,omega-hub/osg,ghub/osg,ghub/osg,XiaoCC/osg,ghub/osg,XiaoCC/osg,artoolkit/osg,koshman86/osg,omega-hub/osg,omega-hub/osg,XiaoCC/osg,ghub/osg,koshman86/osg,ntoand/osg,XiaoCC/osg,koshman86/osg,artoolkit/osg,koshman86/osg,stmh/osg,artoolkit/osg,stmh/osg,ntoand/osg,omega-hub/osg,stmh/osg,stmh/osg