flushing Screen before rendering DisplayList for correct primitives ordering.

yg/display_list.cpp

@@ -91,6 +91,8 @@ namespace yg
 
     void DisplayList::draw(math::Matrix<double, 3, 3> const & m)
     {
+      m_parent->flush();
+
       math::Matrix<float, 4, 4> mv;
 
       /// preparing ModelView matrix

yg/geometry_batcher.cpp

@@ -824,5 +824,10 @@ namespace yg
      flush(-1);
      base_t::setDisplayList(displayList);
    }
+
+   void GeometryBatcher::flush()
+   {
+     flush(-1);
+   }
  } // namespace gl
 } // namespace yg

yg/geometry_batcher.hpp

@@ -215,6 +215,8 @@ namespace yg
       void clearAdditionalSkinPage();
 
       void setDisplayList(DisplayList * displayList);
+
+      void flush();
     };
   }
 }

yg/renderer.cpp

@@ -301,5 +301,8 @@ namespace yg
       else
         return false;
     }
+
+    void Renderer::flush()
+    {}
   }
 }

yg/renderer.hpp

@@ -157,6 +157,8 @@ namespace yg
 
       void setEnvironment(core::CommandsQueue::Environment const * env);
       bool isCancelled() const;
+
+      virtual void flush();
     };
   }
 }