/** Pure DB rendering when each node compose result from its pipes and transmit
only one set of images to the destination node. */
static void _modeDB( Config* config,
const unsigned nChannels,
const unsigned nPipes )
{
Compound* compound = config->getCompounds()[0];
vector<float> ranges( nChannels + 1, 0 );
ranges[ nChannels ] = 1.0;
for( unsigned i = 1; i < nChannels; ++i )
ranges[ i ] = ranges[ i-1 ] + 1.0/nChannels;
unsigned i = 0;
// for each node
for( unsigned n = 0 ; n < nChannels/nPipes; ++n )
{
Compound* childNode = compound;
if( n != 0 ) // don't create separate compound for dst channel
{
childNode = new Compound( compound );
std::ostringstream channelName;
channelName << "channel" << n*nPipes;
Channel* childChannel = config->find< Channel >( channelName.str());
childNode->setChannel( childChannel );
}
// for each gpu on the node
for( unsigned p = 0; p < nPipes; ++p )
{
Compound* childPipe = new Compound( childNode );
childPipe->setRange( eq::Range( ranges[ i ], ranges[ i+1 ] ));
if( i != n*nPipes )
{
std::ostringstream channelName;
channelName << "channel" << i;
Channel* childChannel =
config->find< Channel >( channelName.str( ));
childPipe->setChannel( childChannel );
std::ostringstream frameName;
frameName << "frame.channel" << i;
childPipe->addOutputFrame( ::Frame::create( frameName ));
childNode->addInputFrame( ::Frame::create( frameName ));
}
i++;
}
if( n != 0 ) // dst channel has no output
{
std::ostringstream frameName;
frameName << "frame.channel" << n*nPipes;
childNode->addOutputFrame( ::Frame::create( frameName ));
compound->addInputFrame( ::Frame::create( frameName ));
}
}
}
/** 2D decomposition based on precalculated grid */
static void _mode2D( Config* config,
const vector<float>& xMarks,
const vector<float>& yMarks )
{
Compound* compound = config->getCompounds()[0];
const size_t rows = yMarks.size() - 1;
const size_t columns = xMarks.size() - 1;
size_t i = 0;
for( size_t y = 0; y < rows; ++y )
for( size_t x = 0; x < columns; ++x )
{
Compound* child = new Compound( compound );
std::ostringstream channelName;
channelName << "channel" << i;
Channel* childChannel = config->find< Channel >( channelName.str( ));
child->setChannel( childChannel );
child->setViewport(
eq::Viewport( xMarks[x ], yMarks[y ],
xMarks[x+1]-xMarks[x], yMarks[y+1]-yMarks[y] ));
if( i != 0 )
{
std::ostringstream frameName;
frameName << "frame.channel" << i;
child->addOutputFrame( ::Frame::create( frameName ));
compound->addInputFrame( ::Frame::create( frameName ));
}
i++;
}
}
/** DB_ds rendering when each node compose result from its pipes on to first
pipe, then result is used in DB_ds compositing between nodes */
static void _modeDS( Config* config,
const unsigned nChannels,
const unsigned nPipes,
const vector< vector<int> >& descr,
const vector<float>& xMarks,
const vector<float>& yMarks )
{
Compound* compound = config->getCompounds()[0];
vector<float> ranges( nChannels + 1, 0 );
ranges[ nChannels ] = 1.0;
for( unsigned i = 1; i < nChannels; ++i )
ranges[ i ] = ranges[ i-1 ] + 1.0/nChannels;
const unsigned nNodes = nChannels/nPipes;
if( descr.size() < nNodes )
{
cerr << "Description file is incomplete" << std::endl;
return;
}
const int rows = int( yMarks.size( )) - 1;
const int columns = int( xMarks.size( )) - 1;
const int cells = rows*columns;
// check that all specified viewports are within a grid
for( size_t i = 0; i < nNodes; ++i )
{
const vector< int >& vals = descr[i];
for( size_t j = 0; j < vals.size(); ++j )
if( vals[j] >= cells || vals[j] < 0 )
{
cerr << "description of region is invalid: "
<< vals[j] << " no such cell" << std::endl;
return;
}
}
// fill all viewports for grid
vector< eq::Viewport > tmpVP;
for( int y = 0; y < rows; ++y )
for( int x = 0; x < columns; ++x )
tmpVP.push_back( eq::Viewport( xMarks[x],
yMarks[y],
xMarks[x+1]-xMarks[x],
yMarks[y+1]-yMarks[y] ));
// build per-node viewports
vector< eq::Viewport > vp( nNodes );
for( size_t i = 0; i < nNodes; ++i )
{
const vector< int >& vals = descr[i];
vp[i] = tmpVP[vals[0]];
for( size_t j = 1; j < vals.size(); ++j )
vp[i].unite( tmpVP[vals[j]] );
}
unsigned i = 0;
// for each node
for( unsigned n = 0 ; n < nNodes; ++n )
{
Compound* child = compound;
if( n != 0 ) // don't create separate compound for dst channel
{
child = new Compound( compound );
std::ostringstream channelName;
channelName << "channel" << n*nPipes;
Channel* childChannel = config->find< Channel >( channelName.str());
child->setChannel( childChannel );
}
Compound* childNode = new Compound( child );
// for each gpu on the node
for( unsigned p = 0; p < nPipes; ++p )
{
Compound* childPipe = new Compound( childNode );
childPipe->setRange( eq::Range( ranges[ i ], ranges[ i+1 ] ));
if( i != n*nPipes )
{
std::ostringstream channelName;
channelName << "channel" << i;
Channel* childChannel =
config->find< Channel >( channelName.str( ));
childPipe->setChannel( childChannel );
std::ostringstream frameName;
frameName << "frame.channel" << i;
childPipe->addOutputFrame( ::Frame::create( frameName ));
childNode->addInputFrame( ::Frame::create( frameName ));
}
i++;
}
for( unsigned k = 0; k < nNodes; ++k )
if( k != n )
{
// output parts to compose on other nodes
std::ostringstream frameName;
frameName << "fr" << k*nPipes << ".ch" << n*nPipes;
childNode->addOutputFrame( ::Frame::create( frameName, vp[k] ));
// input parts from other nodes to compose on current node
frameName.str("");
frameName<< "fr" << n*nPipes << ".ch" << k*nPipes;
child->addInputFrame( ::Frame::create( frameName ));
}
// output color result for final compositing on the first node
if( n != 0 )
{
std::ostringstream frameName;
frameName << "frame.channel" << n*nPipes;
child->addOutputFrame( ::Frame::create( frameName, vp[n], true ));
compound->addInputFrame( ::Frame::create( frameName ));
}
}
}
