From ef0bfc15cce3709178f7c660b4be92602d12d9ca Mon Sep 17 00:00:00 2001
From: kgv <kgv@opencascade.com>
Date: Wed, 25 Mar 2015 15:54:08 +0300
Subject: [PATCH] 0025984: Visualization, OpenGl_Workspace::RedrawImmediate() -
 do not swap buffers within buffersNoSwap option

---
 src/OpenGl/OpenGl_Workspace.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/OpenGl/OpenGl_Workspace.cxx b/src/OpenGl/OpenGl_Workspace.cxx
index 4f75125de8..a911d0f293 100644
--- a/src/OpenGl/OpenGl_Workspace.cxx
+++ b/src/OpenGl/OpenGl_Workspace.cxx
@@ -986,7 +986,8 @@ void OpenGl_Workspace::RedrawImmediate (const Graphic3d_CView& theCView,
     return;
   }
 
-  if (redrawImmediate (theCView, theCUnderLayer, theCOverLayer, NULL, Standard_True))
+  if (redrawImmediate (theCView, theCUnderLayer, theCOverLayer, NULL, Standard_True)
+  && !myGlContext->caps->buffersNoSwap)
   {
     myGlContext->SwapBuffers();
   }