From f66ccfb64ff78248cfafb08f158c98809e40f974 Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Mon, 26 Nov 2018 15:58:54 +0100
Subject: [PATCH] 3D viewer: Fix hanging when a board is displayed in non
 realistic mode and the body is not shown.

---
 .../c3d_render_createscene_ogl_legacy.cpp                 | 8 +++-----
 .../3d_render_ogl_legacy/clayer_triangles.cpp             | 2 --
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_createscene_ogl_legacy.cpp b/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_createscene_ogl_legacy.cpp
index bcd099b0d3..659ce1edd7 100644
--- a/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_createscene_ogl_legacy.cpp
+++ b/3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_createscene_ogl_legacy.cpp
@@ -615,11 +615,9 @@ void C3D_RENDER_OGL_LEGACY::reload( REPORTER *aStatusTextReporter )
         {
             const SHAPE_POLY_SET *polyList = map_poly.at( layer_id );
 
-            layerTriangles->AddToMiddleContourns( *polyList,
-                                                  layer_z_bot,
-                                                  layer_z_top,
-                                                  m_settings.BiuTo3Dunits(),
-                                                  false );
+            if( polyList->OutlineCount() > 0 )
+                layerTriangles->AddToMiddleContourns( *polyList, layer_z_bot, layer_z_top,
+                                                      m_settings.BiuTo3Dunits(), false );
         }
 
         // Create display list
diff --git a/3d-viewer/3d_rendering/3d_render_ogl_legacy/clayer_triangles.cpp b/3d-viewer/3d_rendering/3d_render_ogl_legacy/clayer_triangles.cpp
index 942a8fee5a..6a0f28e823 100644
--- a/3d-viewer/3d_rendering/3d_render_ogl_legacy/clayer_triangles.cpp
+++ b/3d-viewer/3d_rendering/3d_render_ogl_legacy/clayer_triangles.cpp
@@ -282,8 +282,6 @@ void CLAYER_TRIANGLES::AddToMiddleContourns( const SHAPE_POLY_SET &aPolySet,
                                              double aBiuTo3Du,
                                              bool aInvertFaceDirection )
 {
-    wxASSERT( aPolySet.OutlineCount() > 0 );
-
     if( aPolySet.OutlineCount() == 0 )
         return;