kicad/pcbnew/drc/drc_cache_generator.cpp

221 lines
7.2 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 KiCad Developers.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <common.h>
#include <board_design_settings.h>
#include <footprint.h>
#include <core/thread_pool.h>
#include <zone.h>
#include <connectivity/connectivity_data.h>
#include <drc/drc_engine.h>
#include <drc/drc_rtree.h>
#include <drc/drc_cache_generator.h>
bool DRC_CACHE_GENERATOR::Run()
{
m_board = m_drcEngine->GetBoard();
int& largestClearance = m_board->m_DRCMaxClearance;
int& largestPhysicalClearance = m_board->m_DRCMaxPhysicalClearance;
DRC_CONSTRAINT worstConstraint;
LSET boardCopperLayers = LSET::AllCuMask( m_board->GetCopperLayerCount() );
largestClearance = std::max( largestClearance, m_board->GetMaxClearanceValue() );
if( m_drcEngine->QueryWorstConstraint( PHYSICAL_CLEARANCE_CONSTRAINT, worstConstraint ) )
largestPhysicalClearance = worstConstraint.GetValue().Min();
if( m_drcEngine->QueryWorstConstraint( PHYSICAL_HOLE_CLEARANCE_CONSTRAINT, worstConstraint ) )
largestPhysicalClearance = std::max( largestPhysicalClearance, worstConstraint.GetValue().Min() );
std::set<ZONE*> allZones;
for( ZONE* zone : m_board->Zones() )
{
allZones.insert( zone );
if( !zone->GetIsRuleArea() )
{
m_board->m_DRCZones.push_back( zone );
if( ( zone->GetLayerSet() & boardCopperLayers ).any() )
{
m_board->m_DRCCopperZones.push_back( zone );
}
}
}
for( FOOTPRINT* footprint : m_board->Footprints() )
{
for( ZONE* zone : footprint->Zones() )
{
allZones.insert( zone );
if( !zone->GetIsRuleArea() )
{
m_board->m_DRCZones.push_back( zone );
if( ( zone->GetLayerSet() & boardCopperLayers ).any() )
m_board->m_DRCCopperZones.push_back( zone );
}
}
}
// This is the number of tests between 2 calls to the progress bar
size_t progressDelta = 200;
size_t count = 0;
size_t ii = 0;
auto countItems =
[&]( BOARD_ITEM* item ) -> bool
{
++count;
return true;
};
auto addToCopperTree =
[&]( BOARD_ITEM* item ) -> bool
{
if( !reportProgress( ii++, count, progressDelta ) )
return false;
LSET copperLayers = item->GetLayerSet() & boardCopperLayers;
// Special-case pad holes which pierce all the copper layers
if( item->Type() == PCB_PAD_T )
{
PAD* pad = static_cast<PAD*>( item );
if( pad->HasHole() )
copperLayers = boardCopperLayers;
}
for( PCB_LAYER_ID layer : copperLayers.Seq() )
{
if( IsCopperLayer( layer ) )
m_board->m_CopperItemRTreeCache->Insert( item, layer, largestClearance );
}
return true;
};
if( !reportPhase( _( "Gathering copper items..." ) ) )
return false; // DRC cancelled
static const std::vector<KICAD_T> itemTypes = {
PCB_TRACE_T, PCB_ARC_T, PCB_VIA_T,
PCB_PAD_T,
PCB_SHAPE_T,
PCB_FIELD_T, PCB_TEXT_T, PCB_TEXTBOX_T,
PCB_DIMENSION_T
};
forEachGeometryItem( itemTypes, LSET::AllCuMask(), countItems );
{
std::unique_lock<std::mutex> cacheLock( m_board->m_CachesMutex );
if( !m_board->m_CopperItemRTreeCache )
m_board->m_CopperItemRTreeCache = std::make_shared<DRC_RTREE>();
forEachGeometryItem( itemTypes, LSET::AllCuMask(), addToCopperTree );
}
if( !reportPhase( _( "Tessellating copper zones..." ) ) )
return false; // DRC cancelled
// Cache zone bounding boxes, triangulation, copper zone rtrees, and footprint courtyards
// before we start.
for( FOOTPRINT* footprint : m_board->Footprints() )
footprint->BuildCourtyardCaches();
thread_pool& tp = GetKiCadThreadPool();
std::vector<std::future<size_t>> returns;
std::atomic<size_t> done( 1 );
returns.reserve( allZones.size() );
auto cache_zones =
[this, &done]( ZONE* aZone ) -> size_t
{
if( m_drcEngine->IsCancelled() )
return 0;
aZone->CacheBoundingBox();
aZone->CacheTriangulation();
if( !aZone->GetIsRuleArea() && aZone->IsOnCopperLayer() )
{
std::unique_ptr<DRC_RTREE> rtree = std::make_unique<DRC_RTREE>();
for( PCB_LAYER_ID layer : aZone->GetLayerSet().Seq() )
{
if( IsCopperLayer( layer ) )
rtree->Insert( aZone, layer );
}
std::unique_lock<std::mutex> cacheLock( m_board->m_CachesMutex );
m_board->m_CopperZoneRTreeCache[ aZone ] = std::move( rtree );
done.fetch_add( 1 );
}
return 1;
};
for( ZONE* zone : allZones )
returns.emplace_back( tp.submit( cache_zones, zone ) );
for( const std::future<size_t>& ret : returns )
{
std::future_status status = ret.wait_for( std::chrono::milliseconds( 250 ) );
while( status != std::future_status::ready )
{
m_drcEngine->ReportProgress( static_cast<double>( done ) / allZones.size() );
status = ret.wait_for( std::chrono::milliseconds( 250 ) );
}
}
m_board->m_ZoneIsolatedIslandsMap.clear();
for( ZONE* zone : m_board->Zones() )
{
if( !zone->GetIsRuleArea() && !zone->IsTeardropArea() )
{
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
m_board->m_ZoneIsolatedIslandsMap[ zone ][ layer ] = ISOLATED_ISLANDS();
}
}
std::shared_ptr<CONNECTIVITY_DATA> connectivity = m_board->GetConnectivity();
connectivity->ClearRatsnest();
connectivity->Build( m_board, m_drcEngine->GetProgressReporter() );
connectivity->FillIsolatedIslandsMap( m_board->m_ZoneIsolatedIslandsMap, true );
return !m_drcEngine->IsCancelled();
}