/** 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 TreeEqualizer::_assign( Node* node, const Viewport& vp, const Range& range ) { LBLOG( LOG_LB2 ) << "assign " << vp << ", " << range << " time " << node->time << " split " << node->split << std::endl; LBASSERTINFO( vp.isValid(), vp ); LBASSERTINFO( range.isValid(), range ); LBASSERTINFO( node->resources > 0.f || !vp.hasArea() || !range.hasData(), "Assigning work to unused compound: " << vp << ", " << range); Compound* compound = node->compound; if( compound ) { LBASSERTINFO( vp == Viewport::FULL || range == Range::ALL, "Mixed 2D/DB load-balancing not implemented" ); compound->setViewport( vp ); compound->setRange( range ); LBLOG( 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 = LB_MAX( absoluteSplit, vp.x ); absoluteSplit = LB_MIN( absoluteSplit, end); node->split = (absoluteSplit - vp.x ) / vp.w; LBLOG( 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 = LB_MAX( absoluteSplit, vp.y ); absoluteSplit = LB_MIN( absoluteSplit, end); node->split = (absoluteSplit - vp.y ) / vp.h; LBLOG( 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: { LBASSERT( 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); LBLOG( 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: LBUNIMPLEMENTED; } }