From: vsr <vsr@opencascade.com>
Date: Fri, 10 Nov 2017 09:07:27 +0000 (+0300)
Subject: 0023503: EDF 15850 - No VTK Viewer after several actions
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fvsr%2F23503;p=modules%2Fgui.git

0023503: EDF 15850 - No VTK Viewer after several actions
---

diff --git a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
index f99d102e1..30be08297 100644
--- a/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
+++ b/src/VTKViewer/VTKViewer_OpenGLRenderer.cxx
@@ -59,6 +59,9 @@ VTKViewer_OpenGLRenderer::VTKViewer_OpenGLRenderer()
 
 VTKViewer_OpenGLRenderer::~VTKViewer_OpenGLRenderer()
 {
+  this->OpenGLHelper.DestroyShaderProgram (this->BackgroundProgram,
+					   this->BackgroundVertexShader,
+					   this->BackgroundFragmentShader);
 }
 
 void VTKViewer_OpenGLRenderer::SetGradientType( const int theGradientType )