Improved recaching (all items when a board is loaded), still needs some fixing (mem leak).

common/drawframe.cpp

@@ -941,17 +941,19 @@ void EDA_DRAW_FRAME::AdjustScrollBars( const wxPoint& aCenterPositionIU )
 void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
 {
 #ifdef KICAD_GAL
+    KiGfx::VIEW* view = m_galCanvas->GetView();
+    KiGfx::GAL* gal = m_galCanvas->GetGAL();
+
     if( aEnable && m_galCanvasActive )
     {
         // When we switch between GAL based canvases, all we need is a refresh
+        view->RecacheAllItems( true );
         m_galCanvas->Refresh();
     }
 
     if( !( aEnable ^ m_galCanvasActive ) )
         return;
 
-    KiGfx::VIEW* view = m_galCanvas->GetView();
-    KiGfx::GAL* gal = m_galCanvas->GetGAL();
     double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
 
     // Display the same view after canvas switching
@@ -979,6 +981,9 @@ void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
     m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
     m_auimgr.Update();
 
+    if( aEnable )
+        view->RecacheAllItems( true );
+
     m_galCanvasActive = aEnable;
 #endif /* KICAD_GAL */
 }

common/gal/opengl/opengl_gal.cpp

@@ -403,7 +403,10 @@ void OPENGL_GAL::BeginDrawing()
     SetFillColor( fillColor );
     SetStrokeColor( strokeColor );
     isDeleteSavedPixels = true;
-    vboNeedsUpdate = false;
+
+    // If any of VBO items is dirty - recache everything
+    if( vboNeedsUpdate )
+        rebuildVbo();
 }
 
 
@@ -455,13 +458,6 @@ void OPENGL_GAL::blitMainTexture( bool aIsClearFrameBuffer )
 
 void OPENGL_GAL::EndDrawing()
 {
-    // If any of VBO items is dirty - recache everything
-    if( vboNeedsUpdate )
-    {
-        rebuildVbo();
-        vboNeedsUpdate = false;
-    }
-
     // Draw the remaining contents, blit the main texture to the screen, swap the buffers
     glFlush();
     blitMainTexture( true );
@@ -521,6 +517,8 @@ void OPENGL_GAL::rebuildVbo()
     delete verticesBuffer;
     delete indicesBuffer;
 
+    vboNeedsUpdate = false;
+
 #ifdef __WXDEBUG__
     prof_end( &totalTime );
 
@@ -1484,9 +1482,6 @@ void OPENGL_GAL::EndGroup()
 {
     vboSize += curVboItem->GetSize();
 
-    // TODO this has to be removed in final version
-    rebuildVbo();
-
     isGroupStarted = false;
 }
 

common/view/view.cpp

@@ -209,8 +209,8 @@ void VIEW::SetGAL( GAL* aGal )
         m_painter->SetGAL( m_gal );
 
     // items need to be recached after changing GAL
-    if( m_useGroups )
-        recacheAllItems();
+    //if( m_useGroups )
+        //RecacheAllItems();
 
     // force the new GAL to display the current viewport.
     SetCenter( m_center );
@@ -387,7 +387,7 @@ struct VIEW::drawItem
                 aItem->setGroup( currentLayer, group );
                 view->m_painter->Draw( static_cast<EDA_ITEM*>( aItem ), currentLayer );
                 gal->EndGroup();
-                gal->DrawGroup( group );
+                //gal->DrawGroup( group );
             }
         }
         else if( aItem->ViewIsVisible() )
@@ -453,10 +453,33 @@ struct VIEW::unlinkItem
 
 struct VIEW::recacheItem
 {
+    recacheItem( VIEW* aView, GAL* aGal, int aLayer, bool aImmediately ) :
+        view( aView ), gal( aGal ), layer( aLayer ), immediately( aImmediately )
+    {
+    }
+
     void operator()( VIEW_ITEM* aItem )
     {
-        aItem->deleteGroups();
+        //aItem->deleteGroups();
+        /*int prevGroup = aItem->getGroup( layer );
+        if( prevGroup != -1 )
+        {
+            gal->DeleteGroup( prevGroup );
+        }*/
+
+        if( immediately )
+        {
+            int group = gal->BeginGroup();
+            aItem->setGroup( layer, group );
+            view->m_painter->Draw( static_cast<EDA_ITEM*>( aItem ), layer );
+            gal->EndGroup();
+        }
     }
+
+    VIEW* view;
+    GAL* gal;
+    int layer;
+    bool immediately;
 };
 
 
@@ -571,16 +594,24 @@ void VIEW::clearGroupCache()
 }
 
 
-void VIEW::recacheAllItems()
+void VIEW::RecacheAllItems( bool aImmediately )
 {
     BOX2I r;
 
     r.SetMaximum();
 
+    wxLogDebug( wxT( "RecacheAllItems::immediately: %u" ), aImmediately );
+
+    if( aImmediately )
+        m_gal->BeginDrawing();
+
     for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
     {
         VIEW_LAYER* l = & ( ( *i ).second );
-        recacheItem visitor;
+        recacheItem visitor( this, m_gal, l->id, aImmediately );
         l->items->Query( r, visitor );
     };
+
+    if( aImmediately )
+        m_gal->EndDrawing();
 }

include/view/view.h

@@ -294,6 +294,14 @@ public:
      */
     void    PartialRedraw();
 
+    /**
+     * Function RecacheAllItems()
+     * Rebuilds GAL display lists.
+     * @param aForceNow decides if every item should be instantly recached. Otherwise items are
+     *        going to be recached when they become visible.
+     */
+    void    RecacheAllItems( bool aForceNow = false );
+
     /**
      * Function IsDynamic()
      * Tells if the VIEW is dynamic (ie. can be changed, for example displaying PCBs in a window)
@@ -350,9 +358,6 @@ private:
     ///* Clears cached GAL display lists
     void    clearGroupCache();
 
-    ///* Rebuilds GAL display lists
-    void    recacheAllItems();
-
     /// Determines rendering order of layers. Used in display order sorting function.
     static bool compareRenderingOrder( VIEW_LAYER* i, VIEW_LAYER* j )
     {

pcbnew/basepcbframe.cpp

@@ -243,7 +243,10 @@ void PCB_BASE_FRAME::SetBoard( BOARD* aBoard )
         view->SetTopLayer( m_Pcb->GetLayer() );
 
         if( m_galCanvasActive )
+        {
+            view->RecacheAllItems( true );
             m_galCanvas->Refresh();
+        }
     }
 #endif
 }