void prepareFramesAndSetPvp( const eq::Frames& frames,
eq::Frames& dbFrames,
eq::PixelViewport& coveredPVP )
{
for( eq::Frame* frame : frames )
{
{
eq::ChannelStatistics event(
eq::Statistic::CHANNEL_FRAME_WAIT_READY, _channel );
frame->waitReady( );
}
const eq::Range& range = frame->getRange();
if( range == eq::Range::ALL ) // 2D frame, assemble directly
{
eq::Compositor::assembleFrame( frame, _channel );
continue;
}
dbFrames.push_back( frame );
for( const eq::Image* image : frame->getImages( ))
{
const eq::PixelViewport imagePVP = image->getPixelViewport() +
frame->getOffset();
coveredPVP.merge( imagePVP );
}
}
}
static void _expandPVP( eq::PixelViewport& pvp, const eq::Images& images,
const eq::Vector2i& offset )
{
for( eq::Images::const_iterator i = images.begin();
i != images.end(); ++i )
{
const eq::PixelViewport imagePVP = (*i)->getPixelViewport() + offset;
pvp.merge( imagePVP );
}
}