size_t Command::alloc_( NodePtr node, LocalNodePtr localNode,
const uint64_t size )
{
EQ_TS_THREAD( _writeThread );
EQASSERT( _refCount == 0 );
EQASSERTINFO( !_func.isValid(), *this );
size_t allocated = 0;
if( !_data )
{
_dataSize = EQ_MAX( Packet::minSize, size );
_data = static_cast< Packet* >( malloc( _dataSize ));
allocated = _dataSize;
}
else if( size > _dataSize )
{
allocated = size - _dataSize;
_dataSize = EQ_MAX( Packet::minSize, size );
free( _data );
_data = static_cast< Packet* >( malloc( _dataSize ));
}
_node = node;
_localNode = localNode;
_refCountMaster = 0;
_func.clear();
_packet = _data;
_packet->size = size;
return allocated;
}
void TreeEqualizer::_notifyLoadData( Node* node, Channel* channel,
const uint32_t nStatistics,
const Statistic* statistics )
{
if( !node )
return;
_notifyLoadData( node->left, channel, nStatistics, statistics );
_notifyLoadData( node->right, channel, nStatistics, statistics );
if( !node->compound || node->compound->getChannel() != channel )
return;
// gather relevant load data
const uint32_t taskID = node->compound->getTaskID();
int64_t startTime = std::numeric_limits< int64_t >::max();
int64_t endTime = 0;
bool loadSet = false;
int64_t timeTransmit = 0;
for( uint32_t i = 0; i < nStatistics && !loadSet; ++i )
{
const Statistic& stat = statistics[ i ];
if( stat.task != taskID ) // from different compound
continue;
switch( stat.type )
{
case Statistic::CHANNEL_CLEAR:
case Statistic::CHANNEL_DRAW:
case Statistic::CHANNEL_READBACK:
startTime = EQ_MIN( startTime, stat.startTime );
endTime = EQ_MAX( endTime, stat.endTime );
break;
case Statistic::CHANNEL_FRAME_TRANSMIT:
timeTransmit += stat.endTime - stat.startTime;
break;
// assemble blocks on input frames, stop using subsequent data
case Statistic::CHANNEL_ASSEMBLE:
loadSet = true;
break;
default:
break;
}
}
if( startTime == std::numeric_limits< int64_t >::max( ))
return;
node->time = endTime - startTime;
node->time = EQ_MAX( node->time, 1 );
node->time = EQ_MAX( node->time, timeTransmit );
}
void FramerateEqualizer::_init()
{
const Compound* compound = getCompound();
if( _nSamples > 0 || !compound )
return;
_nSamples = 1;
// Subscribe to child channel load events
const Compounds& children = compound->getChildren();
EQASSERT( _loadListeners.empty( ));
_loadListeners.resize( children.size( ));
for( size_t i = 0; i < children.size(); ++i )
{
Compound* child = children[i];
const uint32_t period = child->getInheritPeriod();
LoadListener& loadListener = _loadListeners[i];
loadListener.parent = this;
loadListener.period = period;
LoadSubscriber subscriber( &loadListener );
child->accept( subscriber );
_nSamples = EQ_MAX( _nSamples, period );
}
_nSamples = EQ_MIN( _nSamples, 100 );
}
void FramerateEqualizer::LoadListener::notifyLoadData(
Channel* channel,
const uint32_t frameNumber,
const uint32_t nStatistics,
const eq::Statistic* statistics )
{
// gather required load data
int64_t startTime = std::numeric_limits< int64_t >::max();
int64_t endTime = 0;
for( uint32_t i = 0; i < nStatistics; ++i )
{
const eq::Statistic& data = statistics[i];
switch( data.type )
{
case eq::Statistic::CHANNEL_CLEAR:
case eq::Statistic::CHANNEL_DRAW:
case eq::Statistic::CHANNEL_ASSEMBLE:
case eq::Statistic::CHANNEL_READBACK:
startTime = EQ_MIN( startTime, data.startTime );
endTime = EQ_MAX( endTime, data.endTime );
break;
default:
break;
}
}
if( startTime == std::numeric_limits< int64_t >::max( ))
return;
if( startTime == endTime ) // very fast draws might report 0 times
++endTime;
for( std::deque< FrameTime >::iterator i = parent->_times.begin();
i != parent->_times.end(); ++i )
{
FrameTime& frameTime = *i;
if( frameTime.first != frameNumber )
continue;
const float time = static_cast< float >( endTime - startTime ) / period;
frameTime.second = EQ_MAX( frameTime.second, time );
EQLOG( LOG_LB2 ) << "Frame " << frameNumber << " channel "
<< channel->getName() << " time " << time
<< " period " << period << std::endl;
}
}
void Channel::_updateNearFar( const mesh::BoundingSphere& boundingSphere )
{
// compute dynamic near/far plane of whole model
const FrameData& frameData = _getFrameData();
const eq::Matrix4f& rotation = frameData.getCameraRotation();
const eq::Matrix4f headTransform = getHeadTransform() * rotation;
eq::Matrix4f modelInv;
compute_inverse( headTransform, modelInv );
const eq::Vector3f zero = modelInv * eq::Vector3f::ZERO;
eq::Vector3f front = modelInv * eq::Vector3f( 0.0f, 0.0f, -1.0f );
front -= zero;
front.normalize();
front *= boundingSphere.w();
const eq::Vector3f center =
frameData.getCameraPosition().get_sub_vector< 3 >() -
boundingSphere.get_sub_vector< 3 >();
const eq::Vector3f nearPoint = headTransform * ( center - front );
const eq::Vector3f farPoint = headTransform * ( center + front );
if( useOrtho( ))
{
EQASSERTINFO( fabs( farPoint.z() - nearPoint.z() ) >
std::numeric_limits< float >::epsilon(),
nearPoint << " == " << farPoint );
setNearFar( -nearPoint.z(), -farPoint.z() );
}
else
{
// estimate minimal value of near plane based on frustum size
const eq::Frustumf& frustum = getFrustum();
const float width = fabs( frustum.right() - frustum.left() );
const float height = fabs( frustum.top() - frustum.bottom() );
const float size = EQ_MIN( width, height );
const float minNear = frustum.near_plane() / size * .001f;
const float zNear = EQ_MAX( minNear, -nearPoint.z() );
const float zFar = EQ_MAX( zNear * 2.f, -farPoint.z() );
setNearFar( zNear, zFar );
}
}
void FrameData::adjustQuality( const float delta )
{
_quality += delta;
_quality = EQ_MAX( _quality, 0.1f );
_quality = EQ_MIN( _quality, 1.0f );
setDirty( DIRTY_FLAGS );
EQINFO << "Set non-idle image quality to " << _quality << std::endl;
}
void Channel::frameAssemble( const eq::uint128_t& frameID )
{
if( stopRendering( ))
return;
if( _isDone( ))
return;
Accum& accum = _accum[ co::base::getIndexOfLastBit( getEye()) ];
if( getPixelViewport() != _currentPVP )
{
accum.transfer = true;
if( accum.buffer && !accum.buffer->usesFBO( ))
{
EQWARN << "Current viewport different from view viewport, ";
EQWARN << "idle anti-aliasing not implemented." << std::endl;
accum.step = 0;
}
eq::Channel::frameAssemble( frameID );
return;
}
// else
accum.transfer = true;
const eq::Frames& frames = getInputFrames();
for( eq::Frames::const_iterator i = frames.begin(); i != frames.end(); ++i )
{
eq::Frame* frame = *i;
const eq::SubPixel& curSubPixel = frame->getSubPixel();
if( curSubPixel != eq::SubPixel::ALL )
accum.transfer = false;
accum.stepsDone = EQ_MAX( accum.stepsDone,
frame->getSubPixel().size*frame->getPeriod( ));
}
applyBuffer();
applyViewport();
setupAssemblyState();
try
{
eq::Compositor::assembleFrames( getInputFrames(), this, accum.buffer );
}
catch( const co::Exception& e )
{
EQWARN << e.what() << std::endl;
}
resetAssemblyState();
}
void LoadEqualizer::_updateNode( Node* node )
{
Node* left = node->left;
Node* right = node->right;
EQASSERT( left );
EQASSERT( right );
_update( left );
_update( right );
node->resources = left->resources + right->resources;
if( left->resources == 0.f )
{
node->maxSize = right->maxSize;
node->boundary2i = right->boundary2i;
node->boundaryf = right->boundaryf;
}
else if( right->resources == 0.f )
{
node->maxSize = left->maxSize;
node->boundary2i = left->boundary2i;
node->boundaryf = left->boundaryf;
}
else
{
switch( node->mode )
{
case MODE_VERTICAL:
node->maxSize.x() = left->maxSize.x() + right->maxSize.x();
node->maxSize.y() = EQ_MIN( left->maxSize.y(), right->maxSize.y());
node->boundary2i.x() = left->boundary2i.x()+ right->boundary2i.x();
node->boundary2i.y() = EQ_MAX( left->boundary2i.y(),
right->boundary2i.y());
node->boundaryf = EQ_MAX( left->boundaryf, right->boundaryf );
break;
case MODE_HORIZONTAL:
node->maxSize.x() = EQ_MIN( left->maxSize.x(), right->maxSize.x());
node->maxSize.y() = left->maxSize.y() + right->maxSize.y();
node->boundary2i.x() = EQ_MAX( left->boundary2i.x(),
right->boundary2i.x() );
node->boundary2i.y() = left->boundary2i.y()+ right->boundary2i.y();
node->boundaryf = EQ_MAX( left->boundaryf, right->boundaryf );
break;
case MODE_DB:
node->boundary2i.x() = EQ_MAX( left->boundary2i.x(),
right->boundary2i.x() );
node->boundary2i.y() = EQ_MAX( left->boundary2i.y(),
right->boundary2i.y() );
node->boundaryf = left->boundaryf + right->boundaryf;
break;
default:
EQUNIMPLEMENTED;
}
}
}
bool InstanceCache::add( const ObjectVersion& rev, const uint32_t instanceID,
Command& command, const uint32_t usage )
{
#ifdef EQ_INSTRUMENT_CACHE
++nWrite;
#endif
const NodeID nodeID = command.getNode()->getNodeID();
base::ScopedMutex<> mutex( _items );
ItemHash::const_iterator i = _items->find( rev.identifier );
if( i == _items->end( ))
{
Item& item = _items.data[ rev.identifier ];
item.data.masterInstanceID = instanceID;
item.from = nodeID;
}
Item& item = _items.data[ rev.identifier ] ;
if( item.data.masterInstanceID != instanceID || item.from != nodeID )
{
EQASSERT( !item.access ); // same master with different instance ID?!
if( item.access != 0 ) // are accessed - don't add
return false;
// trash data from different master mapping
_releaseStreams( item );
item.data.masterInstanceID = instanceID;
item.from = nodeID;
item.used = usage;
}
else
item.used = EQ_MAX( item.used, usage );
if( item.data.versions.empty( ))
{
item.data.versions.push_back( new ObjectDataIStream );
item.times.push_back( _clock.getTime64( ));
}
else if( item.data.versions.back()->getPendingVersion() == rev.version )
{
if( item.data.versions.back()->isReady( ))
{
#ifdef EQ_INSTRUMENT_CACHE
++nWriteReady;
#endif
return false; // Already have stream
}
// else append data to stream
}
else
{
const ObjectDataIStream* previous = item.data.versions.back();
EQASSERT( previous->isReady( ));
const uint128_t previousVersion = previous->getPendingVersion();
if( previousVersion > rev.version )
{
#ifdef EQ_INSTRUMENT_CACHE
++nWriteOld;
#endif
return false;
}
if( ( previousVersion + 1 ) != rev.version ) // hole
{
EQASSERT( previousVersion < rev.version );
if( item.access != 0 ) // are accessed - don't add
return false;
_releaseStreams( item );
}
else
{
EQASSERT( previous->isReady( ));
}
item.data.versions.push_back( new ObjectDataIStream );
item.times.push_back( _clock.getTime64( ));
}
EQASSERT( !item.data.versions.empty( ));
ObjectDataIStream* stream = item.data.versions.back();
stream->addDataPacket( command );
if( stream->isReady( ))
_size += stream->getDataSize();
_releaseItems( 1 );
_releaseItems( 0 );
#ifdef EQ_INSTRUMENT_CACHE
if( _items->find( rev.identifier ) != _items->end( ))
++nWriteHit;
else
++nWriteMiss;
#endif
return true;
}
void FramerateEqualizer::notifyUpdatePre( Compound* compound,
const uint32_t frameNumber )
{
_init();
// find starting point of contiguous block
const ssize_t size = static_cast< ssize_t >( _times.size( ));
ssize_t from = 0;
if( size > 0 )
{
for( ssize_t i = size-1; i >= 0; --i )
{
if( _times[i].second != 0.f )
continue;
from = i;
break;
}
}
// find max / avg time in block
size_t nSamples = 0;
#ifdef USE_AVERAGE
float sumTime = 0.f;
#else
float maxTime = 0.f;
#endif
for( ++from; from < size && nSamples < _nSamples; ++from )
{
const FrameTime& time = _times[from];
EQASSERT( time.first > 0 );
EQASSERT( time.second != 0.f );
++nSamples;
#ifdef USE_AVERAGE
sumTime += time.second;
#else
maxTime = EQ_MAX( maxTime, time.second );
#endif
EQLOG( LOG_LB2 ) << "Using " << time.first << ", " << time.second
<< "ms" << std::endl;
}
if( nSamples == _nSamples ) // If we have a full set
while( from < static_cast< ssize_t >( _times.size( )))
_times.pop_back(); // delete all older samples
if( isFrozen() || !compound->isRunning( ))
{
// always execute code above to not leak memory
compound->setMaxFPS( std::numeric_limits< float >::max( ));
return;
}
if( nSamples > 0 )
{
//TODO: totalTime *= 1.f - damping;
#ifdef USE_AVERAGE
const float time = (sumTime / nSamples) * SLOWDOWN;
#else
const float time = maxTime * SLOWDOWN;
#endif
const float fps = 1000.f / time;
#ifdef VSYNC_CAP
if( fps > VSYNC_CAP )
compound->setMaxFPS( std::numeric_limits< float >::max( ));
else
#endif
compound->setMaxFPS( fps );
EQLOG( LOG_LB2 ) << fps << " Hz from " << nSamples << "/"
<< _times.size() << " samples, " << time << "ms"
<< std::endl;
}
_times.push_front( FrameTime( frameNumber, 0.f ));
EQASSERT( _times.size() < 210 );
}
Command& CommandCache::_newCommand( const Cache which )
{
EQ_TS_THREAD( _thread );
Data& cache = _cache[ which ];
const uint32_t cacheSize = uint32_t( cache.size( ));
base::a_int32_t& freeCounter = _free[ which ];
EQASSERTINFO( size_t( freeCounter ) <= cacheSize,
freeCounter << " > " << cacheSize );
if( freeCounter > 0 )
{
EQASSERT( cacheSize > 0 );
const DataCIter end = _position[ which ];
DataCIter& i = _position[ which ];
for( ++i; i != end; ++i )
{
if( i == cache.end( ))
i = cache.begin();
#ifdef PROFILE
++_lookups;
#endif
Command* command = *i;
if( command->isFree( ))
{
#ifdef PROFILE
const long hits = ++_hits;
if( (hits%1000) == 0 )
{
for( size_t j = 0; j < CACHE_ALL; ++j )
{
size_t size = 0;
const Data& cmds = _cache[ j ];
for( DataCIter k=cmds.begin(); k != cmds.end(); ++k)
size += (*k)->getAllocationSize();
EQINFO << _hits << "/" << _hits + _misses << " hits, "
<< _lookups << " lookups, " << _free[j] << " of "
<< cmds.size() << " packets free, " << _allocs
<< " allocs, " << _frees << " frees, "
<< size / 1024 << "KB" << std::endl;
}
}
#endif
return *command;
}
}
}
#ifdef PROFILE
++_misses;
#endif
const uint32_t add = (cacheSize >> 3) + 1;
for( size_t j = 0; j < add; ++j )
cache.push_back( new Command( freeCounter ));
freeCounter += add;
const int32_t num = int32_t( cache.size() >> _freeShift );
_maxFree[ which ] = EQ_MAX( _minFree[ which ], num );
_position[ which ] = cache.begin();
#ifdef PROFILE
_allocs += add;
#endif
return *( cache.back( ));
}
void Channel::frameViewFinish( const eq::uint128_t& frameID )
{
if( stopRendering( ))
return;
applyBuffer();
const FrameData& frameData = _getFrameData();
Accum& accum = _accum[ co::base::getIndexOfLastBit( getEye()) ];
if( accum.buffer )
{
const eq::PixelViewport& pvp = getPixelViewport();
const bool isResized = accum.buffer->resize( pvp.w, pvp.h );
if( isResized )
{
const View* view = static_cast< const View* >( getView( ));
accum.buffer->clear();
accum.step = view->getIdleSteps();
accum.stepsDone = 0;
}
else if( frameData.isIdle( ))
{
setupAssemblyState();
if( !_isDone() && accum.transfer )
accum.buffer->accum();
accum.buffer->display();
resetAssemblyState();
}
}
applyViewport();
_drawOverlay();
_drawHelp();
if( frameData.useStatistics())
drawStatistics();
ConfigEvent event;
event.data.originator = getID();
event.data.type = ConfigEvent::IDLE_AA_LEFT;
if( frameData.isIdle( ))
{
event.steps = 0;
for( size_t i = 0; i < eq::NUM_EYES; ++i )
event.steps = EQ_MAX( event.steps, _accum[i].step );
}
else
{
const View* view = static_cast< const View* >( getView( ));
event.steps = view ? view->getIdleSteps() : 0;
}
// if _jitterStep == 0 and no user redraw event happened, the app will exit
// FSAA idle mode and block on the next redraw event.
eq::Config* config = getConfig();
config->sendEvent( event );
}
void FullMasterCM::addSlave( Command& command, NodeMapObjectReplyPacket& reply )
{
EQ_TS_THREAD( _cmdThread );
EQASSERT( command->type == PACKETTYPE_CO_NODE );
EQASSERT( command->command == CMD_NODE_MAP_OBJECT );
NodePtr node = command.getNode();
const NodeMapObjectPacket* packet = command.get< NodeMapObjectPacket >();
const uint128_t requested = packet->requestedVersion;
const uint32_t instanceID = packet->instanceID;
Mutex mutex( _slaves );
EQASSERT( _version != VERSION_NONE );
_checkConsistency();
// add to subscribers
++_slavesCount[ node->getNodeID() ];
_slaves->push_back( node );
stde::usort( *_slaves );
if( requested == VERSION_NONE ) // no data to send
{
_sendEmptyVersion( node, instanceID, _version );
reply.version = _version;
return;
}
const uint128_t oldest = _instanceDatas.front()->os.getVersion();
uint128_t start = (requested == VERSION_OLDEST || requested < oldest ) ?
oldest : requested;
uint128_t end = _version;
const bool useCache = packet->masterInstanceID == _object->getInstanceID();
#ifndef NDEBUG
if( requested != VERSION_OLDEST && requested < start )
EQINFO << "Mapping version " << start
<< " instead of requested version " << requested << std::endl;
#endif
reply.version = start;
reply.useCache = packet->useCache && useCache;
if( reply.useCache )
{
if( packet->minCachedVersion <= start &&
packet->maxCachedVersion >= start )
{
#ifdef EQ_INSTRUMENT_MULTICAST
_hit += packet->maxCachedVersion + 1 - start;
#endif
start = packet->maxCachedVersion + 1;
}
else if( packet->maxCachedVersion == end )
{
end = EQ_MAX( start, packet->minCachedVersion - 1 );
#ifdef EQ_INSTRUMENT_MULTICAST
_hit += _version - end;
#endif
}
// TODO else cached block in the middle, send head and tail elements
}
#if 0
EQLOG( LOG_OBJECTS )
<< *_object << ", instantiate on " << node->getNodeID() << " with v"
<< ((requested == VERSION_OLDEST) ? oldest : requested) << " ("
<< requested << ") sending " << start << ".." << end << " have "
<< _version - _nVersions << ".." << _version << " "
<< _instanceDatas.size() << std::endl;
#endif
EQASSERT( start >= oldest );
// send all instance datas from start..end
InstanceDataDeque::iterator i = _instanceDatas.begin();
while( i != _instanceDatas.end() && (*i)->os.getVersion() < start )
++i;
for( ; i != _instanceDatas.end() && (*i)->os.getVersion() <= end; ++i )
{
InstanceData* data = *i;
EQASSERT( data );
data->os.sendMapData( node, instanceID );
#ifdef EQ_INSTRUMENT_MULTICAST
++_miss;
#endif
}
#ifdef EQ_INSTRUMENT_MULTICAST
if( _miss % 100 == 0 )
EQINFO << "Cached " << _hit << "/" << _hit + _miss
<< " instance data transmissions" << std::endl;
#endif
}
void LoadEqualizer::_computeSplit( Node* node, const float time,
LBDatas* datas, const Viewport& vp,
const Range& range )
{
EQLOG( LOG_LB2 ) << "_computeSplit " << vp << ", " << range << " time "
<< time << std::endl;
EQASSERTINFO( vp.isValid(), vp );
EQASSERTINFO( range.isValid(), range );
EQASSERTINFO( node->resources > 0.f || !vp.hasArea() || !range.hasData(),
"Assigning " << node->resources <<
" work to viewport " << vp << ", " << range );
Compound* compound = node->compound;
if( compound )
{
_assign( compound, vp, range );
return;
}
EQASSERT( node->left && node->right );
LBDatas workingSet = datas[ node->mode ];
const float leftTime = node->resources > 0 ?
time * node->left->resources / node->resources : 0.f;
float timeLeft = EQ_MIN( leftTime, time ); // correct for fp rounding error
switch( node->mode )
{
case MODE_VERTICAL:
{
EQASSERT( range == Range::ALL );
float splitPos = vp.x;
const float end = vp.getXEnd();
while( timeLeft > std::numeric_limits< float >::epsilon() &&
splitPos < end )
{
EQLOG( LOG_LB2 ) << timeLeft << "ms left using "
<< workingSet.size() << " tiles" << std::endl;
// remove all irrelevant items from working set
for( LBDatas::iterator i = workingSet.begin();
i != workingSet.end(); )
{
const Data& data = *i;
if( data.vp.getXEnd() > splitPos )
++i;
else
i = workingSet.erase( i );
}
if( workingSet.empty( ))
break;
// find next 'discontinouity' in loads
float currentPos = 1.0f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
if( data.vp.x > splitPos && data.vp.x < currentPos )
currentPos = data.vp.x;
const float xEnd = data.vp.getXEnd();
if( xEnd > splitPos && xEnd < currentPos )
currentPos = xEnd;
}
const float width = currentPos - splitPos;
EQASSERTINFO( width > 0.f, currentPos << "<=" << splitPos );
EQASSERT( currentPos <= 1.0f );
// accumulate normalized load in splitPos...currentPos
EQLOG( LOG_LB2 ) << "Computing load in X " << splitPos << "..."
<< currentPos << std::endl;
float currentTime = 0.f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
if( data.vp.x >= currentPos ) // not yet needed data sets
break;
float yContrib = data.vp.h;
if( data.vp.y < vp.y )
yContrib -= (vp.y - data.vp.y);
const float dataEnd = data.vp.getYEnd();
const float vpEnd = vp.getYEnd();
if( dataEnd > vpEnd )
yContrib -= (dataEnd - vpEnd);
if( yContrib > 0.f )
{
const float percentage = ( width / data.vp.w ) *
( yContrib / data.vp.h );
currentTime += ( data.time * percentage );
EQLOG( LOG_LB2 ) << data.vp << " contributes "
<< yContrib << " in " << vp.h << " ("
<< percentage << ") with " << data.time
<< ": " << ( data.time * percentage )
<< " vp.y " << vp.y << " dataEnd "
<< dataEnd << " vpEnd " << vpEnd
<< std::endl;
EQASSERT( percentage < 1.01f )
}
}
EQLOG( LOG_LB2 ) << splitPos << "..." << currentPos << ": t="
<< currentTime << " of " << timeLeft
<< std::endl;
if( currentTime >= timeLeft ) // found last region
{
splitPos += ( width * timeLeft / currentTime );
timeLeft = 0.0f;
}
else
{
timeLeft -= currentTime;
splitPos = currentPos;
}
}
EQLOG( LOG_LB2 ) << "Should split at X " << splitPos << std::endl;
splitPos = (1.f - _damping) * splitPos + _damping * node->split;
EQLOG( LOG_LB2 ) << "Dampened split at X " << splitPos << std::endl;
// There might be more time left due to MIN_PIXEL rounding by parent
// EQASSERTINFO( timeLeft <= .001f, timeLeft );
// Ensure minimum size
const Compound* root = getCompound();
const float pvpW = static_cast< float >(
root->getInheritPixelViewport().w );
const float boundary = static_cast< float >( node->boundary2i.x()) /
pvpW;
if( node->left->resources == 0.f )
splitPos = vp.x;
else if( node->right->resources == 0.f )
splitPos = end;
else if( boundary > 0 )
{
const float lengthRight = vp.getXEnd() - splitPos;
const float lengthLeft = splitPos - vp.x;
const float maxRight =
static_cast< float >( node->right->maxSize.x( )) / pvpW;
const float maxLeft =
static_cast< float >( node->left->maxSize.x( )) / pvpW;
if( lengthRight > maxRight )
splitPos = end - maxRight;
else if( lengthLeft > maxLeft )
splitPos = vp.x + maxLeft;
if( (splitPos - vp.x) < boundary )
splitPos = vp.x + boundary;
if( (end - splitPos) < boundary )
splitPos = end - boundary;
const uint32_t ratio =
static_cast< uint32_t >( splitPos / boundary + .5f );
splitPos = ratio * boundary;
}
splitPos = EQ_MAX( splitPos, vp.x );
splitPos = EQ_MIN( splitPos, end);
EQLOG( LOG_LB2 ) << "Constrained split " << vp << " at X "
<< splitPos << std::endl;
node->split = splitPos;
// balance children
Viewport childVP = vp;
childVP.w = (splitPos - vp.x);
_computeSplit( node->left, leftTime, datas, childVP, range );
childVP.x = childVP.getXEnd();
childVP.w = end - childVP.x;
// Fix 2994111: Rounding errors with 2D LB and 16 sources
// Floating point rounding may create a width for the 'right'
// child which is slightly below the parent width. Correct it.
while( childVP.getXEnd() < end )
childVP.w += std::numeric_limits< float >::epsilon();
_computeSplit( node->right, time-leftTime, datas, childVP, range );
break;
}
case MODE_HORIZONTAL:
{
EQASSERT( range == Range::ALL );
float splitPos = vp.y;
const float end = vp.getYEnd();
while( timeLeft > std::numeric_limits< float >::epsilon() &&
splitPos < end )
{
EQLOG( LOG_LB2 ) << timeLeft << "ms left using "
<< workingSet.size() << " tiles" << std::endl;
// remove all unrelevant items from working set
for( LBDatas::iterator i = workingSet.begin();
i != workingSet.end(); )
{
const Data& data = *i;
if( data.vp.getYEnd() > splitPos )
++i;
else
i = workingSet.erase( i );
}
if( workingSet.empty( ))
break;
// find next 'discontinuouity' in loads
float currentPos = 1.0f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
if( data.vp.y > splitPos && data.vp.y < currentPos )
currentPos = data.vp.y;
const float yEnd = data.vp.getYEnd();
if( yEnd > splitPos && yEnd < currentPos )
currentPos = yEnd;
}
const float height = currentPos - splitPos;
EQASSERTINFO( height > 0.f, currentPos << "<=" << splitPos );
EQASSERT( currentPos <= 1.0f );
// accumulate normalized load in splitPos...currentPos
EQLOG( LOG_LB2 ) << "Computing load in Y " << splitPos << "..."
<< currentPos << std::endl;
float currentTime = 0.f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
if( data.vp.y >= currentPos ) // not yet needed data sets
break;
float xContrib = data.vp.w;
if( data.vp.x < vp.x )
xContrib -= (vp.x - data.vp.x);
const float dataEnd = data.vp.getXEnd();
const float vpEnd = vp.getXEnd();
if( dataEnd > vpEnd )
xContrib -= (dataEnd - vpEnd);
if( xContrib > 0.f )
{
const float percentage = ( height / data.vp.h ) *
( xContrib / data.vp.w );
currentTime += ( data.time * percentage );
EQLOG( LOG_LB2 ) << data.vp << " contributes "
<< xContrib << " in " << vp.w << " ("
<< percentage << ") with " << data.time
<< ": " << ( data.time * percentage )
<< " total " << currentTime << " vp.x "
<< vp.x << " dataEnd " << dataEnd
<< " vpEnd " << vpEnd << std::endl;
EQASSERT( percentage < 1.01f )
}
}
EQLOG( LOG_LB2 ) << splitPos << "..." << currentPos << ": t="
<< currentTime << " of " << timeLeft
<< std::endl;
if( currentTime >= timeLeft ) // found last region
{
splitPos += (height * timeLeft / currentTime );
timeLeft = 0.0f;
}
else
{
timeLeft -= currentTime;
splitPos = currentPos;
}
}
EQLOG( LOG_LB2 ) << "Should split at Y " << splitPos << std::endl;
splitPos = (1.f - _damping) * splitPos + _damping * node->split;
EQLOG( LOG_LB2 ) << "Dampened split at Y " << splitPos << std::endl;
const Compound* root = getCompound();
const float pvpH = static_cast< float >(
root->getInheritPixelViewport().h );
const float boundary = static_cast< float >(node->boundary2i.y( )) /
pvpH;
if( node->left->resources == 0.f )
splitPos = vp.y;
else if( node->right->resources == 0.f )
splitPos = end;
else if ( boundary > 0 )
{
const float lengthRight = vp.getYEnd() - splitPos;
const float lengthLeft = splitPos - vp.y;
const float maxRight =
static_cast< float >( node->right->maxSize.y( )) / pvpH;
const float maxLeft =
static_cast< float >( node->left->maxSize.y( )) / pvpH;
if( lengthRight > maxRight )
splitPos = end - maxRight;
else if( lengthLeft > maxLeft )
splitPos = vp.y + maxLeft;
if( (splitPos - vp.y) < boundary )
splitPos = vp.y + boundary;
if( (end - splitPos) < boundary )
splitPos = end - boundary;
const uint32_t ratio =
static_cast< uint32_t >( splitPos / boundary + .5f );
splitPos = ratio * boundary;
}
splitPos = EQ_MAX( splitPos, vp.y );
splitPos = EQ_MIN( splitPos, end );
EQLOG( LOG_LB2 ) << "Constrained split " << vp << " at Y "
<< splitPos << std::endl;
node->split = splitPos;
Viewport childVP = vp;
childVP.h = (splitPos - vp.y);
_computeSplit( node->left, leftTime, datas, childVP, range );
childVP.y = childVP.getYEnd();
childVP.h = end - childVP.y;
while( childVP.getYEnd() < end )
childVP.h += std::numeric_limits< float >::epsilon();
_computeSplit( node->right, time - leftTime, datas, childVP, range);
break;
}
case MODE_DB:
{
EQASSERT( vp == Viewport::FULL );
float splitPos = range.start;
const float end = range.end;
while( timeLeft > std::numeric_limits< float >::epsilon() &&
splitPos < end )
{
EQLOG( LOG_LB2 ) << timeLeft << "ms left using "
<< workingSet.size() << " tiles" << std::endl;
// remove all irrelevant items from working set
for( LBDatas::iterator i = workingSet.begin();
i != workingSet.end(); )
{
const Data& data = *i;
if( data.range.end > splitPos )
++i;
else
i = workingSet.erase( i );
}
if( workingSet.empty( ))
break;
// find next 'discontinouity' in loads
float currentPos = 1.0f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
currentPos = EQ_MIN( currentPos, data.range.end );
}
const float size = currentPos - splitPos;
EQASSERTINFO( size > 0.f, currentPos << "<=" << splitPos );
EQASSERT( currentPos <= 1.0f );
// accumulate normalized load in splitPos...currentPos
EQLOG( LOG_LB2 ) << "Computing load in range " << splitPos
<< "..." << currentPos << std::endl;
float currentTime = 0.f;
for( LBDatas::const_iterator i = workingSet.begin();
i != workingSet.end(); ++i )
{
const Data& data = *i;
if( data.range.start >= currentPos ) // not yet needed data
break;
#if 0
// make sure we cover full area
EQASSERTINFO( data.range.start <= splitPos,
data.range.start << " > " << splitPos );
EQASSERTINFO( data.range.end >= currentPos,
data.range.end << " < " << currentPos);
#endif
currentTime += data.time * size / data.range.getSize();
}
EQLOG( LOG_LB2 ) << splitPos << "..." << currentPos << ": t="
<< currentTime << " of " << timeLeft
<< std::endl;
if( currentTime >= timeLeft ) // found last region
{
const float width = currentPos - splitPos;
splitPos += (width * timeLeft / currentTime );
timeLeft = 0.0f;
}
else
{
timeLeft -= currentTime;
splitPos = currentPos;
}
}
EQLOG( LOG_LB2 ) << "Should split at " << splitPos << std::endl;
splitPos = (1.f - _damping) * splitPos + _damping * node->split;
EQLOG( LOG_LB2 ) << "Dampened split at " << splitPos << std::endl;
const float boundary( node->boundaryf );
if( node->left->resources == 0.f )
splitPos = range.start;
else if( node->right->resources == 0.f )
splitPos = end;
const uint32_t ratio = static_cast< uint32_t >
( splitPos / boundary + .5f );
splitPos = ratio * boundary;
if( (splitPos - range.start) < boundary )
splitPos = range.start;
if( (end - splitPos) < boundary )
splitPos = end;
EQLOG( LOG_LB2 ) << "Constrained split " << range << " at pos "
<< splitPos << std::endl;
node->split = splitPos;
Range childRange = range;
childRange.end = splitPos;
_computeSplit( node->left, leftTime, datas, vp, childRange );
childRange.start = childRange.end;
childRange.end = range.end;
_computeSplit( node->right, time - leftTime, datas, vp, childRange);
break;
}
default:
EQUNIMPLEMENTED;
}
}
void LoadEqualizer::notifyLoadData( Channel* channel,
const uint32_t frameNumber,
const uint32_t nStatistics,
const Statistic* statistics,
const Viewport& region )
{
EQLOG( LOG_LB2 ) << nStatistics << " samples from "<< channel->getName()
<< " @ " << frameNumber << std::endl;
for( std::deque< LBFrameData >::iterator i = _history.begin();
i != _history.end(); ++i )
{
LBFrameData& frameData = *i;
if( frameData.first != frameNumber )
continue;
// Found corresponding historical data set
LBDatas& items = frameData.second;
for( LBDatas::iterator j = items.begin(); j != items.end(); ++j )
{
Data& data = *j;
if( data.channel != channel )
continue;
// Found corresponding historical data item
const uint32_t taskID = data.taskID;
EQASSERTINFO( taskID > 0, channel->getName( ));
// gather relevant load data
int64_t startTime = std::numeric_limits< int64_t >::max();
int64_t endTime = 0;
bool loadSet = false;
int64_t transmitTime = 0;
for( uint32_t k = 0; k < nStatistics; ++k )
{
const Statistic& stat = statistics[k];
if( stat.task == data.destTaskID )
_updateAssembleTime( data, stat );
// from different compound
if( stat.task != taskID || loadSet )
continue;
switch( stat.type )
{
case Statistic::CHANNEL_CLEAR:
case Statistic::CHANNEL_DRAW:
case Statistic::CHANNEL_READBACK:
startTime = EQ_MIN( startTime, stat.startTime );
endTime = EQ_MAX( endTime, stat.endTime );
break;
case Statistic::CHANNEL_FRAME_TRANSMIT:
transmitTime += stat.endTime - stat.startTime;
break;
case Statistic::CHANNEL_FRAME_WAIT_SENDTOKEN:
transmitTime -= stat.endTime - stat.startTime;
break;
// assemble blocks on input frames, stop using subsequent data
case Statistic::CHANNEL_ASSEMBLE:
loadSet = true;
break;
default:
break;
}
}
if( startTime == std::numeric_limits< int64_t >::max( ))
return;
data.vp.apply( region ); // Update ROI
data.time = endTime - startTime;
data.time = EQ_MAX( data.time, 1 );
data.time = EQ_MAX( data.time, transmitTime );
data.assembleTime = EQ_MAX( data.assembleTime, 0 );
EQLOG( LOG_LB2 ) << "Added time " << data.time << " (+"
<< data.assembleTime << ") for "
<< channel->getName() << " " << data.vp << ", "
<< data.range << " @ " << frameNumber << std::endl;
return;
// Note: if the same channel is used twice as a child, the
// load-compound association does not work.
}
}
}
void Channel::frameDraw( const eq::uint128_t& frameID )
{
if( stopRendering( ))
return;
_initJitter();
if( _isDone( ))
return;
Window* window = static_cast< Window* >( getWindow( ));
VertexBufferState& state = window->getState();
const Model* oldModel = _model;
const Model* model = _getModel();
if( oldModel != model )
state.setFrustumCulling( false ); // create all display lists/VBOs
if( model )
_updateNearFar( model->getBoundingSphere( ));
// Setup OpenGL state
eq::Channel::frameDraw( frameID );
glLightfv( GL_LIGHT0, GL_POSITION, lightPosition );
glLightfv( GL_LIGHT0, GL_AMBIENT, lightAmbient );
glLightfv( GL_LIGHT0, GL_DIFFUSE, lightDiffuse );
glLightfv( GL_LIGHT0, GL_SPECULAR, lightSpecular );
glMaterialfv( GL_FRONT, GL_AMBIENT, materialAmbient );
glMaterialfv( GL_FRONT, GL_DIFFUSE, materialDiffuse );
glMaterialfv( GL_FRONT, GL_SPECULAR, materialSpecular );
glMateriali( GL_FRONT, GL_SHININESS, materialShininess );
const FrameData& frameData = _getFrameData();
glPolygonMode( GL_FRONT_AND_BACK,
frameData.useWireframe() ? GL_LINE : GL_FILL );
const eq::Vector3f& position = frameData.getCameraPosition();
glMultMatrixf( frameData.getCameraRotation().array );
glTranslatef( position.x(), position.y(), position.z() );
glMultMatrixf( frameData.getModelRotation().array );
if( frameData.getColorMode() == COLOR_DEMO )
{
const eq::Vector3ub color = getUniqueColor();
glColor3ub( color.r(), color.g(), color.b() );
}
else
glColor3f( .75f, .75f, .75f );
if( model )
_drawModel( model );
else
{
glNormal3f( 0.f, -1.f, 0.f );
glBegin( GL_TRIANGLE_STRIP );
glVertex3f( .25f, 0.f, .25f );
glVertex3f( -.25f, 0.f, .25f );
glVertex3f( .25f, 0.f, -.25f );
glVertex3f( -.25f, 0.f, -.25f );
glEnd();
}
state.setFrustumCulling( true );
Accum& accum = _accum[ co::base::getIndexOfLastBit( getEye()) ];
accum.stepsDone = EQ_MAX( accum.stepsDone,
getSubPixel().size * getPeriod( ));
accum.transfer = true;
}
/* Compute the bounding sphere of the leaf's indexed vertices. */
const BoundingSphere& VertexBufferLeaf::updateBoundingSphere()
{
// We determine a bounding sphere by:
// 1) Using the inner sphere of the dominant axis of the bounding box as an
// estimate
// 2) Test all points to be in that sphere
// 3) Expand the sphere to contain all points outside.
// 1a) initialize and compute a bounding box
BoundingBox boundingBox;
boundingBox[0] =
_globalData.vertices[ _vertexStart + _globalData.indices[_indexStart] ];
boundingBox[1] =
_globalData.vertices[ _vertexStart + _globalData.indices[_indexStart] ];
for( Index offset = 1; offset < _indexLength; ++offset )
{
const Vertex& vertex =
_globalData.vertices[ _vertexStart +
_globalData.indices[_indexStart + offset] ];
boundingBox[0][0] = min( boundingBox[0][0], vertex[0] );
boundingBox[1][0] = max( boundingBox[1][0], vertex[0] );
boundingBox[0][1] = min( boundingBox[0][1], vertex[1] );
boundingBox[1][1] = max( boundingBox[1][1], vertex[1] );
boundingBox[0][2] = min( boundingBox[0][2], vertex[2] );
boundingBox[1][2] = max( boundingBox[1][2], vertex[2] );
}
// 1b) get inner sphere of bounding box as an initial estimate
_boundingSphere.x() = ( boundingBox[0].x() + boundingBox[1].x() ) * 0.5f;
_boundingSphere.y() = ( boundingBox[0].y() + boundingBox[1].y() ) * 0.5f;
_boundingSphere.z() = ( boundingBox[0].z() + boundingBox[1].z() ) * 0.5f;
_boundingSphere.w() = EQ_MAX( boundingBox[1].x() - boundingBox[0].x(),
boundingBox[1].y() - boundingBox[0].y() );
_boundingSphere.w() = EQ_MAX( boundingBox[1].z() - boundingBox[0].z(),
_boundingSphere.w() );
_boundingSphere.w() *= .5f;
float radius = _boundingSphere.w();
float radiusSquared = radius * radius;
Vertex center( _boundingSphere.array );
// 2) test all points to be in the estimated bounding sphere
for( Index offset = 0; offset < _indexLength; ++offset )
{
const Vertex& vertex =
_globalData.vertices[ _vertexStart +
_globalData.indices[_indexStart + offset] ];
const Vertex centerToPoint = vertex - center;
const float distanceSquared = centerToPoint.squared_length();
if( distanceSquared <= radiusSquared ) // point is inside existing BS
continue;
// 3) expand sphere to contain 'outside' points
const float distance = sqrtf( distanceSquared );
const float delta = distance - radius;
radius = ( radius + distance ) * .5f;
radiusSquared = radius * radius;
const Vertex normdelta = normalize( centerToPoint ) * ( 0.5f * delta );
center += normdelta;
EQASSERTINFO( Vertex( vertex-center ).squared_length() <=
( radiusSquared + 2.f* numeric_limits<float>::epsilon( )),
vertex << " c " << center << " r " << radius << " ("
<< Vertex( vertex-center ).length() << ")" );
}
#ifndef NDEBUG
// 2a) re-test all points to be in the estimated bounding sphere
for( Index offset = 0; offset < _indexLength; ++offset )
{
const Vertex& vertex =
_globalData.vertices[ _vertexStart +
_globalData.indices[_indexStart + offset] ];
const Vertex centerToPoint = vertex - center;
const float distanceSquared = centerToPoint.squared_length();
EQASSERTINFO( distanceSquared <=
( radiusSquared + 2.f* numeric_limits<float>::epsilon( )),
vertex << " c " << center << " r " << radius << " ("
<< Vertex( vertex-center ).length() << ")" );
}
#endif
// store optimal bounding sphere
_boundingSphere.x() = center.x();
_boundingSphere.y() = center.y();
_boundingSphere.z() = center.z();
_boundingSphere.w() = radius;
#ifndef NDEBUG
MESHINFO << "updateBoundingSphere" << "( " << _boundingSphere << " )."
<< endl;
#endif
return _boundingSphere;
}
void TreeEqualizer::_assign( Node* node, const Viewport& vp,
const Range& range )
{
EQLOG( LOG_LB2 ) << "assign " << vp << ", " << range << " time "
<< node->time << " split " << node->split << std::endl;
EQASSERTINFO( vp.isValid(), vp );
EQASSERTINFO( range.isValid(), range );
EQASSERTINFO( node->resources > 0.f || !vp.hasArea() || !range.hasData(),
"Assigning work to unused compound: " << vp << ", " << range);
Compound* compound = node->compound;
if( compound )
{
EQASSERTINFO( vp == Viewport::FULL || range == Range::ALL,
"Mixed 2D/DB load-balancing not implemented" );
compound->setViewport( vp );
compound->setRange( range );
EQLOG( LOG_LB2 ) << compound->getChannel()->getName() << " set " << vp
<< ", " << range << std::endl;
return;
}
switch( node->mode )
{
case MODE_VERTICAL:
{
// Ensure minimum size
const Compound* root = getCompound();
const float pvpW = float( root->getInheritPixelViewport().w );
const float end = vp.getXEnd();
const float boundary = float( node->boundary2i.x( )) / pvpW;
float absoluteSplit = vp.x + vp.w * node->split;
if( node->left->resources == 0.f )
absoluteSplit = vp.x;
else if( node->right->resources == 0.f )
absoluteSplit = end;
else if( boundary > 0 )
{
const float right = vp.getXEnd() - absoluteSplit;
const float left = absoluteSplit - vp.x;
const float maxRight = float( node->right->maxSize.x( )) / pvpW;
const float maxLeft = float( node->left->maxSize.x( )) / pvpW;
if( right > maxRight )
absoluteSplit = end - maxRight;
else if( left > maxLeft )
absoluteSplit = vp.x + maxLeft;
if( (absoluteSplit - vp.x) < boundary )
absoluteSplit = vp.x + boundary;
if( (end - absoluteSplit) < boundary )
absoluteSplit = end - boundary;
const uint32_t ratio = uint32_t( absoluteSplit / boundary + .5f );
absoluteSplit = ratio * boundary;
}
absoluteSplit = EQ_MAX( absoluteSplit, vp.x );
absoluteSplit = EQ_MIN( absoluteSplit, end);
node->split = (absoluteSplit - vp.x ) / vp.w;
EQLOG( LOG_LB2 ) << "Constrained split " << vp << " at X "
<< node->split << std::endl;
// traverse children
Viewport childVP = vp;
childVP.w = (absoluteSplit - vp.x);
_assign( node->left, childVP, range );
childVP.x = childVP.getXEnd();
childVP.w = end - childVP.x;
// Fix 2994111: Rounding errors with 2D LB and 16 sources
// Floating point rounding may create a width for the 'right'
// child which is slightly below the parent width. Correct it.
while( childVP.getXEnd() < end )
childVP.w += std::numeric_limits< float >::epsilon();
_assign( node->right, childVP, range );
break;
}
case MODE_HORIZONTAL:
{
// Ensure minimum size
const Compound* root = getCompound();
const float pvpH = float( root->getInheritPixelViewport().h );
const float end = vp.getYEnd();
const float boundary = float( node->boundary2i.y( )) / pvpH;
float absoluteSplit = vp.y + vp.h * node->split;
if( node->left->resources == 0.f )
absoluteSplit = vp.y;
else if( node->right->resources == 0.f )
absoluteSplit = end;
else if( boundary > 0 )
{
const float right = vp.getYEnd() - absoluteSplit;
const float left = absoluteSplit - vp.y;
const float maxRight = float( node->right->maxSize.y( )) / pvpH;
const float maxLeft = float( node->left->maxSize.y( )) / pvpH;
if( right > maxRight )
absoluteSplit = end - maxRight;
else if( left > maxLeft )
absoluteSplit = vp.y + maxLeft;
if( (absoluteSplit - vp.y) < boundary )
absoluteSplit = vp.y + boundary;
if( (end - absoluteSplit) < boundary )
absoluteSplit = end - boundary;
const uint32_t ratio = uint32_t( absoluteSplit / boundary + .5f );
absoluteSplit = ratio * boundary;
}
absoluteSplit = EQ_MAX( absoluteSplit, vp.y );
absoluteSplit = EQ_MIN( absoluteSplit, end);
node->split = (absoluteSplit - vp.y ) / vp.h;
EQLOG( LOG_LB2 ) << "Constrained split " << vp << " at X "
<< node->split << std::endl;
// traverse children
Viewport childVP = vp;
childVP.h = (absoluteSplit - vp.y);
_assign( node->left, childVP, range );
childVP.y = childVP.getYEnd();
childVP.h = end - childVP.y;
// Fix 2994111: Rounding errors with 2D LB and 16 sources
// Floating point rounding may create a width for the 'right'
// child which is slightly below the parent width. Correct it.
while( childVP.getYEnd() < end )
childVP.h += std::numeric_limits< float >::epsilon();
_assign( node->right, childVP, range );
break;
}
case MODE_DB:
{
EQASSERT( vp == Viewport::FULL );
const float end = range.end;
float absoluteSplit = range.start + (range.end-range.start)*node->split;
const float boundary( node->boundaryf );
if( node->left->resources == 0.f )
absoluteSplit = range.start;
else if( node->right->resources == 0.f )
absoluteSplit = end;
const uint32_t ratio = uint32_t( absoluteSplit / boundary + .5f );
absoluteSplit = ratio * boundary;
if( (absoluteSplit - range.start) < boundary )
absoluteSplit = range.start;
if( (end - absoluteSplit) < boundary )
absoluteSplit = end;
node->split = (absoluteSplit-range.start) / (range.end-range.start);
EQLOG( LOG_LB2 ) << "Constrained split " << range << " at pos "
<< node->split << std::endl;
Range childRange = range;
childRange.end = absoluteSplit;
_assign( node->left, vp, childRange );
childRange.start = childRange.end;
childRange.end = range.end;
_assign( node->right, vp, childRange);
break;
}
default:
EQUNIMPLEMENTED;
}
}
void TreeEqualizer::_update( Node* node )
{
if( !node )
return;
const Compound* compound = node->compound;
if( compound )
{
const Channel* channel = compound->getChannel();
const PixelViewport& pvp = channel->getPixelViewport();
EQASSERT( channel );
node->resources = compound->isRunning() ? compound->getUsage() : 0.f;
node->maxSize.x() = pvp.w;
node->maxSize.y() = pvp.h;
node->boundaryf = _boundaryf;
node->boundary2i = _boundary2i;
return;
}
// else
EQASSERT( node->left );
EQASSERT( node->right );
_update( node->left );
_update( node->right );
node->resources = node->left->resources + node->right->resources;
if( node->left->resources == 0.f )
{
node->maxSize = node->right->maxSize;
node->boundary2i = node->right->boundary2i;
node->boundaryf = node->right->boundaryf;
node->time = node->right->time;
}
else if( node->right->resources == 0.f )
{
node->maxSize = node->left->maxSize;
node->boundary2i = node->left->boundary2i;
node->boundaryf = node->left->boundaryf;
node->time = node->left->time;
}
else
{
switch( node->mode )
{
case MODE_VERTICAL:
node->maxSize.x() = node->left->maxSize.x() +
node->right->maxSize.x();
node->maxSize.y() = EQ_MIN( node->left->maxSize.y(),
node->right->maxSize.y() );
node->boundary2i.x() = node->left->boundary2i.x() +
node->right->boundary2i.x();
node->boundary2i.y() = EQ_MAX( node->left->boundary2i.y(),
node->right->boundary2i.y());
node->boundaryf = EQ_MAX( node->left->boundaryf,
node->right->boundaryf );
break;
case MODE_HORIZONTAL:
node->maxSize.x() = EQ_MIN( node->left->maxSize.x(),
node->right->maxSize.x() );
node->maxSize.y() = node->left->maxSize.y() +
node->right->maxSize.y();
node->boundary2i.x() = EQ_MAX( node->left->boundary2i.x(),
node->right->boundary2i.x() );
node->boundary2i.y() = node->left->boundary2i.y() +
node->right->boundary2i.y();
node->boundaryf = EQ_MAX( node->left->boundaryf,
node->right->boundaryf );
break;
case MODE_DB:
node->boundary2i.x() = EQ_MAX( node->left->boundary2i.x(),
node->right->boundary2i.x() );
node->boundary2i.y() = EQ_MAX( node->left->boundary2i.y(),
node->right->boundary2i.y() );
node->boundaryf = node->left->boundaryf +node->right->boundaryf;
break;
default:
EQUNIMPLEMENTED;
}
node->time = node->left->time + node->right->time;
}
}