ADDED: 3D appearance setting for off-board silk.

3d-viewer/3d_canvas/board_adapter.cpp

@@ -727,6 +727,7 @@ void BOARD_ADAPTER::SetVisibleLayers( const std::bitset<LAYER_3D_END>& aLayers )
     m_Cfg->m_Render.show_fp_text                   = aLayers.test( LAYER_FP_TEXT );
 
     m_Cfg->m_Render.opengl_show_model_bbox         = aLayers.test( LAYER_3D_BOUNDING_BOXES );
+    m_Cfg->m_Render.opengl_show_off_board_silk     = aLayers.test( LAYER_3D_OFF_BOARD_SILK );
     m_Cfg->m_Render.show_axis                      = aLayers.test( LAYER_3D_AXES );
 }
 
@@ -760,6 +761,7 @@ std::bitset<LAYER_3D_END> BOARD_ADAPTER::GetVisibleLayers() const
     ret.set( LAYER_3D_MODELS_MARKED_DNP, m_Cfg->m_Render.show_footprints_dnp );
 
     ret.set( LAYER_3D_BOUNDING_BOXES,    m_Cfg->m_Render.opengl_show_model_bbox );
+    ret.set( LAYER_3D_OFF_BOARD_SILK,    m_Cfg->m_Render.opengl_show_off_board_silk );
     ret.set( LAYER_3D_AXES,              m_Cfg->m_Render.show_axis );
 
     if( m_Cfg->m_CurrentPreset == FOLLOW_PCB )

3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp

@@ -702,8 +702,15 @@ bool RENDER_3D_OPENGL::Redraw( bool aIsMoving, REPORTER* aStatusReporter,
 
             OPENGL_RENDER_LIST* anti_board = nullptr;
 
-            if( LSET::PhysicalLayersMask().test( layer_id ) )
+            if( ( layer_id == F_SilkS || layer_id == B_SilkS )
+                    && m_boardAdapter.m_Cfg->m_Render.opengl_show_off_board_silk )
+            {
+                anti_board = nullptr;
+            }
+            else if( LSET::PhysicalLayersMask().test( layer_id ) )
+            {
                 anti_board = m_antiBoard;
+            }
 
             if( anti_board )
             {
@@ -723,6 +730,7 @@ bool RENDER_3D_OPENGL::Redraw( bool aIsMoving, REPORTER* aStatusReporter,
                 }
             }
             else if( m_boardAdapter.m_Cfg->m_Render.subtract_mask_from_silk
+                  && !m_boardAdapter.m_Cfg->m_Render.opengl_show_off_board_silk
                   && (   ( layer_id == B_SilkS && m_layers.find( B_Mask ) != m_layers.end() )
                       || ( layer_id == F_SilkS && m_layers.find( F_Mask ) != m_layers.end() ) ) )
             {

3d-viewer/3d_viewer/eda_3d_viewer_settings.cpp

@@ -220,6 +220,8 @@ EDA_3D_VIEWER_SETTINGS::EDA_3D_VIEWER_SETTINGS() :
                                             &m_Render.opengl_copper_thickness, false ) );
     m_params.emplace_back( new PARAM<bool>( "render.opengl_show_model_bbox",
                                             &m_Render.opengl_show_model_bbox, false ) );
+    m_params.emplace_back( new PARAM<bool>( "render.opengl_show_off_board_silk",
+                                            &m_Render.opengl_show_off_board_silk, false ) );
     m_params.emplace_back( new PARAM<bool>( "render.opengl_highlight_on_rollover",
                                             &m_Render.opengl_highlight_on_rollover, true ) );
     m_params.emplace_back( new PARAM<bool>( "render.opengl_AA_disableOnMove",

3d-viewer/3d_viewer/eda_3d_viewer_settings.h

@@ -90,6 +90,7 @@ public:
         bool opengl_render_bbox_only_OnMove;
         bool opengl_copper_thickness;
         bool opengl_show_model_bbox;
+        bool opengl_show_off_board_silk;
         bool opengl_highlight_on_rollover;
         KIGFX::COLOR4D opengl_selection_color;
 

3d-viewer/dialogs/appearance_controls_3D.cpp

@@ -71,6 +71,7 @@ const APPEARANCE_CONTROLS_3D::APPEARANCE_SETTING_3D APPEARANCE_CONTROLS_3D::s_la
     RR( _HKI( "Values" ),                 LAYER_FP_VALUES,            _HKI( "Show footprint values" ) ),
     RR( _HKI( "References" ),             LAYER_FP_REFERENCES,        _HKI( "Show footprint references" ) ),
     RR( _HKI( "Footprint Text" ),         LAYER_FP_TEXT,              _HKI( "Show all footprint text" ) ),
+    RR( _HKI( "Off-board Silkscreen" ),   LAYER_3D_OFF_BOARD_SILK,    _HKI( "Do not clip silk layers to board outline" ) ),
     RR(),
     RR( _HKI( "3D Axis" ),                LAYER_3D_AXES,              EDA_3D_ACTIONS::showAxis ),
     RR( _HKI( "Background Start" ),       LAYER_3D_BACKGROUND_TOP,    _HKI( "Background gradient start color" ) ),

include/layer_ids.h

@@ -462,6 +462,7 @@ enum LAYER_3D_ID : int
         LAYER_3D_MODELS_MARKED_DNP,
         LAYER_3D_AXES,
         LAYER_3D_BOUNDING_BOXES,
+        LAYER_3D_OFF_BOARD_SILK,
 
         LAYER_3D_END
 };