From 5d134d82b1504ba2510dce1494bef0f28c104a7e Mon Sep 17 00:00:00 2001
From: rnv <rnv@opencascade.com>
Date: Fri, 2 Apr 2021 14:50:08 +0300
Subject: [PATCH] Fix transparent VTK viewer: additional commit: restore call
 of vtkOpenGLRenderer::Clear()

---
 src/VTKViewer/VTKViewer_OpenGLRenderer.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
index c33b09930..d6eb0e78a 100644
--- a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
+++ b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
@@ -74,7 +74,7 @@ void VTKViewer_OpenGLRenderer::SetGradientType( const int theGradientType )
 
 void VTKViewer_OpenGLRenderer::Clear(void)
 {
-  // vtkOpenGLRenderer::Clear();
+  vtkOpenGLRenderer::Clear();
 #ifdef VTK_OPENGL2
   if (this->OpenGLHelper.IsInitialized())
   {
-- 
2.39.2