C++ Compound::setChannel方法代码示例

/** 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 ));
        }
    }
}

void Config::updateCanvas( Canvas* canvas )
{
    postNeedsFinish();
    activateCanvas( canvas );

    // Create compounds for all new output channels
    const Segments& segments = canvas->getSegments();
    Compound* group = new Compound( this );

    for( Segments::const_iterator i=segments.begin(); i != segments.end(); ++i )
    {
        const Segment* segment = *i;
        const Channels& channels = segment->getDestinationChannels();

        if( channels.empty( ))
            EQWARN << "New segment without destination channels will be ignored"
                   << std::endl;

        for( Channels::const_iterator j = channels.begin();
                j != channels.end(); ++j )
        {
            Channel* channel = *j;
            EQASSERT( !channel->isActive( ));

            Compound* compound = new Compound( group );
            compound->setIAttribute( Compound::IATTR_STEREO_MODE, fabric::AUTO);
            compound->setChannel( channel );
        }
    }

    group->init();
    canvas->init();
    EQINFO << *this << std::endl;
}

/** 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++;
    }
}

void Config::updateCanvas( Canvas* canvas )
{
    postNeedsFinish();
    activateCanvas( canvas );

    // Create one compound group for all new output channels of each layout
    const Layouts& layouts = canvas->getLayouts();
    for( LayoutsCIter i = layouts.begin(); i != layouts.end(); ++i )
    {
        Compound* group = new Compound( this );

        const Layout* layout = *i;
        const Views& views = layout->getViews();
        for( ViewsCIter j = views.begin(); j != views.end(); ++j )
        {
            const View* view = *j;
            const Channels& channels = view->getChannels();

            if( channels.empty( ))
                LBWARN << "View without destination channels will be ignored"
                       << std::endl;

            for( ChannelsCIter k = channels.begin(); k != channels.end(); ++k )
            {
                Channel* channel = *k;
                LBASSERT( !channel->isActive( ));

                Compound* compound = new Compound( group );
                compound->setIAttribute( Compound::IATTR_STEREO_MODE,
                                         fabric::AUTO );
                compound->setChannel( channel );
            }
        }
        group->init();
    }

    canvas->init();
    LBDEBUG << *this << std::endl;
}

void Loader::addOutputCompounds( ServerPtr server )
{
    const Configs& configs = server->getConfigs();
    for( Configs::const_iterator i = configs.begin(); i != configs.end(); ++i )
    {
        UnusedOutputChannelFinder finder;
        Config* config = *i;
        config->accept( finder );

        const Channels& channels = finder.getResult();
        if( channels.empty( ))
            continue;

        Compound* group = new Compound( config );
        for( Channels::const_iterator j = channels.begin(); 
             j != channels.end(); ++j )
        {
            Compound* compound = new Compound( group );
            Channel* channel = *j;
            compound->setChannel( channel );
        }
    }
}

/** 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++;
//.........这里部分代码省略.........