0024307: TKOpenGl - efficient culling of large number of presentations

[occt.git] / src / OpenGl / OpenGl_Workspace.cxx

diff --git a/src/OpenGl/OpenGl_Workspace.cxx b/src/OpenGl/OpenGl_Workspace.cxx
index b6dd166..61e4d13 100644 (file)
--- a/src/OpenGl/OpenGl_Workspace.cxx
+++ b/src/OpenGl/OpenGl_Workspace.cxx
@@ -159,6 +159,7 @@ OpenGl_Workspace::OpenGl_Workspace (const Handle(Aspect_DisplayConnection)& theD
   myUseZBuffer (Standard_False),
   myUseDepthTest (Standard_True),
   myUseGLLight (Standard_True),
+  myIsCullingEnabled (Standard_False),
   //
   AspectLine_set (&myDefaultAspectLine),
   AspectLine_applied (NULL),
@@ -560,6 +561,8 @@ void OpenGl_Workspace::Redraw (const Graphic3d_CView& theCView,
     return;
   }
 
+  myIsCullingEnabled = theCView.IsCullingEnabled;
+
   // release pending GL resources
   Handle(OpenGl_Context) aGlCtx = GetGlContext();
   aGlCtx->ReleaseDelayed();