0028890: Visualization - After closing all views and then display the view again...

[occt.git] / src / OpenGl / OpenGl_ArbTBO.hxx

diff --git a/src/OpenGl/OpenGl_ArbTBO.hxx b/src/OpenGl/OpenGl_ArbTBO.hxx
index 7133c2f..12b3deb 100644 (file)
--- a/src/OpenGl/OpenGl_ArbTBO.hxx
+++ b/src/OpenGl/OpenGl_ArbTBO.hxx
@@ -4,8 +4,8 @@
 //
 // This file is part of Open CASCADE Technology software library.
 //
-// This library is free software; you can redistribute it and / or modify it
-// under the terms of the GNU Lesser General Public version 2.1 as published
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
@@ -16,14 +16,12 @@
 #ifndef _OpenGl_ArbTBO_H__
 #define _OpenGl_ArbTBO_H__
 
-#include <OpenGl_GlCore12.hxx>
+#include <OpenGl_GlFunctions.hxx>
 
-//! TBO is available on OpenGL 3.0+ hardware
-struct OpenGl_ArbTBO
+//! TBO is available on OpenGL 3.0+ and OpenGL ES 3.2+ hardware
+struct OpenGl_ArbTBO : protected OpenGl_GlFunctions
 {
-
-  PFNGLTEXBUFFERARBPROC glTexBufferARB;
-
+  using OpenGl_GlFunctions::glTexBuffer;
 };
 
 #endif // _OpenGl_ArbTBO_H__