int64_t LoadEqualizer::_getTotalTime()
{
const LBFrameData& frameData = _history.front();
LBDatas items = frameData.second;
_removeEmpty( items );
int64_t totalTime = 0;
for( LBDatas::const_iterator i = items.begin(); i != items.end(); ++i )
{
const Data& data = *i;
totalTime += data.time;
}
return totalTime;
}
int64_t LoadEqualizer::_getAssembleTime( )
{
const LBFrameData& frameData = _history.front();
LBDatas items( frameData.second );
_removeEmpty( items );
int64_t assembleTime = 0;
for( LBDatas::const_iterator i = items.begin(); i != items.end(); ++i )
{
const Data& data = *i;
EQASSERT( assembleTime == 0 || data.assembleTime == 0 );
assembleTime += data.assembleTime;
}
return assembleTime;
}
void LoadEqualizer::_computeSplit()
{
LBASSERT( !_history.empty( ));
const LBFrameData& frameData = _history.front();
const Compound* compound = getCompound();
LBLOG( LOG_LB2 ) << "----- balance " << compound->getChannel()->getName()
<< " using frame " << frameData.first << " tree "
<< std::endl << _tree;
// sort load items for each of the split directions
LBDatas items( frameData.second );
_removeEmpty( items );
LBDatas sortedData[3] = { items, items, items };
if( getMode() == MODE_DB )
{
LBDatas& rangeData = sortedData[ MODE_DB ];
sort( rangeData.begin(), rangeData.end(), _compareRange );
}
else
{
LBDatas& xData = sortedData[ MODE_VERTICAL ];
sort( xData.begin(), xData.end(), _compareX );
LBDatas& yData = sortedData[ MODE_HORIZONTAL ];
sort( yData.begin(), yData.end(), _compareY );
#ifndef NDEBUG
for( LBDatas::const_iterator i = xData.begin(); i != xData.end();
++i )
{
const Data& data = *i;
LBLOG( LOG_LB2 ) << " " << data.vp << ", time " << data.time
<< " (+" << data.assembleTime << ")" << std::endl;
}
#endif
}
const float time = float( _getTotalTime( ));
LBLOG( LOG_LB2 ) << "Render time " << time << " for "
<< _tree->resources << " resources" << std::endl;
if( _tree->resources > 0.f )
_computeSplit( _tree, time, sortedData, Viewport(), Range( ));
}