pcbnew: now PROGRESS_REPORTER should work in multi-threaded context under Windows...

common/widgets/progress_reporter.cpp

@@ -28,15 +28,14 @@
 
 PROGRESS_REPORTER::PROGRESS_REPORTER( int aNumPhases ) :
     m_phase( 0 ),
-    m_progress( 0 ),
     m_numPhases( aNumPhases ),
+    m_progress( 0 ),
     m_maxProgress( 1 )
 {
 };
 
 void PROGRESS_REPORTER::BeginPhase( int aPhase )
 {
-    std::lock_guard<std::mutex> guard( m_lock );
     m_phase = aPhase;
     m_progress = 0;
     updateUI();
@@ -44,7 +43,6 @@ void PROGRESS_REPORTER::BeginPhase( int aPhase )
 
 void PROGRESS_REPORTER::AdvancePhase( )
 {
-    std::lock_guard<std::mutex> guard( m_lock );
     m_phase++;
     m_progress = 0;
     updateUI();
@@ -52,28 +50,24 @@ void PROGRESS_REPORTER::AdvancePhase( )
 
 void PROGRESS_REPORTER::Report( const wxString& aMessage )
 {
-    std::lock_guard<std::mutex> guard( m_lock );
     m_rptMessage   = aMessage;
     updateUI();
 }
 
 void PROGRESS_REPORTER::SetMaxProgress ( int aMaxProgress )
 {
-    std::lock_guard<std::mutex> guard( m_lock );
     m_maxProgress = aMaxProgress;
     updateUI();
 }
 
 void PROGRESS_REPORTER::AdvanceProgress( )
 {
-    std::lock_guard<std::mutex> guard( m_lock );
     m_progress++;
-    updateUI();
 }
 
 int PROGRESS_REPORTER::currentProgress() const
 {
-    double current = (1.0 / (double)m_numPhases) * ( (double) m_phase + ( (double) m_progress / (double) m_maxProgress ) );
+    double current = (1.0 / (double)m_numPhases) * ( (double) m_phase + ( (double) m_progress.load() / (double) m_maxProgress ) );
 
     return (int)(current * 1000);
 }
@@ -102,5 +96,16 @@ void WX_PROGRESS_REPORTER::updateUI()
         cur = 0;
 
     SetRange( 1000 );
-    Update( cur, m_rptMessage );
+    wxProgressDialog::Update( cur, m_rptMessage );
+}
+
+void PROGRESS_REPORTER::KeepRefreshing()
+{
+    while ( m_progress < m_maxProgress && m_maxProgress > 0)
+    {
+        updateUI();
+        #ifdef USE_OPENMP
+            wxMilliSleep(10);
+        #endif
+    }
 }

include/widgets/progress_reporter.h

@@ -26,6 +26,7 @@
 #define __PROGRESS_REPORTER
 
 #include <mutex>
+#include <atomic>
 
 #include <wx/progdlg.h>
 
@@ -42,6 +43,8 @@ class PROGRESS_REPORTER
         void SetMaxProgress ( int aMaxProgress );
         void AdvanceProgress( );
 
+        void KeepRefreshing();
+
     protected:
 
         int currentProgress() const;
@@ -50,10 +53,8 @@ class PROGRESS_REPORTER
         wxString m_rptMessage;
         int m_phase;
         int m_numPhases;
-        int m_progress;
+        std::atomic_int m_progress;
         int m_maxProgress;
-
-        std::mutex m_lock;
 };
 
 class WX_PROGRESS_REPORTER : public PROGRESS_REPORTER, public wxProgressDialog

pcbnew/connectivity_algo.cpp

@@ -521,30 +521,43 @@ void CN_CONNECTIVITY_ALGO::searchConnections( bool aIncludeZones )
         }
 
         #ifdef USE_OPENMP
-            #pragma omp parallel for schedule(dynamic)
+            #pragma omp parallel
         #endif
-        for(int i = 0; i < m_zoneList.Size(); i++ )
         {
-            auto item = m_zoneList[i];
-            auto zoneItem = static_cast<CN_ZONE *> (item);
-            auto searchZones = std::bind( checkForConnection, _1, zoneItem );
-
-            if( zoneItem->Dirty() || m_padList.IsDirty() || m_trackList.IsDirty() || m_viaList.IsDirty() )
+            #ifdef USE_OPENMP
+                #pragma omp master
+            #endif
+            if (m_progressReporter)
             {
-                totalDirtyCount++;
-                m_viaList.FindNearby( zoneItem->BBox(), searchZones );
-                m_trackList.FindNearby( zoneItem->BBox(), searchZones );
-                m_padList.FindNearby( zoneItem->BBox(), searchZones );
-                m_zoneList.FindNearbyZones( zoneItem->BBox(), std::bind( checkInterZoneConnection, _1, zoneItem ) );
+                m_progressReporter->KeepRefreshing();
             }
 
+            #ifdef USE_OPENMP
+                #pragma omp for schedule(dynamic)
+            #endif
+            for(int i = 0; i < m_zoneList.Size(); i++ )
             {
-                std::lock_guard<std::mutex> lock( cnListLock );
-                cnt++;
+                auto item = m_zoneList[i];
+                auto zoneItem = static_cast<CN_ZONE *> (item);
+                auto searchZones = std::bind( checkForConnection, _1, zoneItem );
+
+                if( zoneItem->Dirty() || m_padList.IsDirty() || m_trackList.IsDirty() || m_viaList.IsDirty() )
+                {
+                    totalDirtyCount++;
+                    m_viaList.FindNearby( zoneItem->BBox(), searchZones );
+                    m_trackList.FindNearby( zoneItem->BBox(), searchZones );
+                    m_padList.FindNearby( zoneItem->BBox(), searchZones );
+                    m_zoneList.FindNearbyZones( zoneItem->BBox(), std::bind( checkInterZoneConnection, _1, zoneItem ) );
+                }
 
-                if (m_progressReporter)
                 {
-                    m_progressReporter->AdvanceProgress();
+                    std::lock_guard<std::mutex> lock( cnListLock );
+                    cnt++;
+
+                    if (m_progressReporter)
+                    {
+                        m_progressReporter->AdvanceProgress();
+                    }
                 }
             }
         }

pcbnew/zone_filler.cpp

@@ -126,24 +126,39 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
         m_progressReporter->SetMaxProgress( toFill.size() );
     }
 
+
     #ifdef USE_OPENMP
-        #pragma omp parallel for schedule(dynamic)
+        #pragma omp parallel
     #endif
-    for( int i = 0; i < toFill.size(); i++ )
     {
-        SHAPE_POLY_SET rawPolys, finalPolys;
-        ZONE_SEGMENT_FILL segFill;
-        fillSingleZone ( toFill[i].m_zone, rawPolys, finalPolys, segFill );
-
-        toFill[i].m_zone->SetRawPolysList( rawPolys );
-        toFill[i].m_zone->SetFilledPolysList( finalPolys );
-        toFill[i].m_zone->SetFillSegments( segFill );
-        toFill[i].m_zone->SetIsFilled( true );
-
+        #ifdef USE_OPENMP
+            #pragma omp master
+        #endif
         if( m_progressReporter )
         {
-            m_progressReporter->AdvanceProgress();
+            m_progressReporter->KeepRefreshing();
+        }
+
+        #ifdef USE_OPENMP
+            #pragma omp for schedule(dynamic)
+        #endif
+        for( int i = 0; i < toFill.size(); i++ )
+        {
+            SHAPE_POLY_SET rawPolys, finalPolys;
+            ZONE_SEGMENT_FILL segFill;
+            fillSingleZone ( toFill[i].m_zone, rawPolys, finalPolys, segFill );
+
+            toFill[i].m_zone->SetRawPolysList( rawPolys );
+            toFill[i].m_zone->SetFilledPolysList( finalPolys );
+            toFill[i].m_zone->SetFillSegments( segFill );
+            toFill[i].m_zone->SetIsFilled( true );
+
+            if( m_progressReporter )
+            {
+                m_progressReporter->AdvanceProgress();
+            }
         }
+
     }
 
     if( m_progressReporter )
@@ -174,21 +189,31 @@ void ZONE_FILLER::Fill( std::vector<ZONE_CONTAINER*> aZones )
         m_progressReporter->Report( _( "Caching polygon triangulations..." ) );
         m_progressReporter->SetMaxProgress( toFill.size() );
     }
-
     #ifdef USE_OPENMP
-        #pragma omp parallel for schedule(dynamic)
+        #pragma omp parallel
     #endif
-
-    for( int i = 0; i < toFill.size(); i++ )
     {
+        #ifdef USE_OPENMP
+            #pragma omp master
+        #endif
         if( m_progressReporter )
         {
-            m_progressReporter->AdvanceProgress();
+            m_progressReporter->KeepRefreshing();
         }
 
-        toFill[i].m_zone->CacheTriangulation();
-    }
+        #ifdef USE_OPENMP
+            #pragma omp for schedule(dynamic)
+        #endif
+        for( int i = 0; i < toFill.size(); i++ )
+        {
+            if( m_progressReporter )
+            {
+                m_progressReporter->AdvanceProgress();
+            }
 
+            toFill[i].m_zone->CacheTriangulation();
+        }
+    }
     if( m_progressReporter )
     {
         m_progressReporter->AdvancePhase();