Re-organised Texture::computeInternalFormatWithImage() to avoid testing for extensions when not required.
Re-organised Texture::computeInternalFormatWithImage() to avoid testing
for extensions when not required.


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