diff --git a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.frag b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.frag
index 8ac26097cb3..c4a64b8d353 100644
--- a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.frag
+++ b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.frag
@@ -1,3 +1,5 @@
+#version 140
+
 uniform float u_enableLight;
 
 //GLSL >= 130
diff --git a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.vert b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.vert
index f853623ad1d..823e83e4def 100644
--- a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.vert
+++ b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra.vert
@@ -1,4 +1,4 @@
-#version 130
+#version 140
 
 // uniform vec4 vertexColor;
 in vec4 a_vertexColor;
diff --git a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra_triangles.geo b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra_triangles.geo
index 2d9940dfb09..472c534595a 100644
--- a/applications/plugins/VolumetricRendering/examples/share/shaders/tetra_triangles.geo
+++ b/applications/plugins/VolumetricRendering/examples/share/shaders/tetra_triangles.geo
@@ -1,4 +1,4 @@
-#version 130
+#version 140
 #extension GL_EXT_geometry_shader4: enable
 
 //GLSL >= 130
diff --git a/applications/plugins/VolumetricRendering/src/VolumetricRendering/OglVolumetricModel.cpp b/applications/plugins/VolumetricRendering/src/VolumetricRendering/OglVolumetricModel.cpp
index cbae8eb96c9..36605896fa4 100644
--- a/applications/plugins/VolumetricRendering/src/VolumetricRendering/OglVolumetricModel.cpp
+++ b/applications/plugins/VolumetricRendering/src/VolumetricRendering/OglVolumetricModel.cpp
@@ -155,7 +155,6 @@ void OglVolumetricModel::init()
     if (b_useTopology)
         computeMeshFromTopology();
 
-    updateVisual();
 
 }
 
@@ -221,7 +220,6 @@ void OglVolumetricModel::initVisual()
     m_vertexColors->init();
     m_vertexColors->initVisual();
 
-
 }
 
 void OglVolumetricModel::updateVisual()
@@ -357,27 +355,38 @@ void OglVolumetricModel::computeBarycenters()
     if (!b_tboCreated)
     {
         //Texture buffer objects
+        if (m_tetraBarycenters.size() > 0)
+        {
+            glGenBuffers(1, &m_tetraBarycentersTbo);
+            glBindBuffer(GL_TEXTURE_BUFFER, m_tetraBarycentersTbo);
+            glBufferData(GL_TEXTURE_BUFFER, tetraBarycentersBufferSize, &(m_tetraBarycenters[0]), GL_DYNAMIC_COPY);
+            glGenTextures(1, &m_tetraBarycentersTboTexture);
+            glBindBuffer(GL_TEXTURE_BUFFER, 0);
+            b_tboCreated = true;
+        }
+        if (m_hexaBarycenters.size() > 0)
+        {
+            glGenBuffers(1, &m_hexaBarycentersTbo);
+            glBindBuffer(GL_TEXTURE_BUFFER, m_hexaBarycentersTbo);
+            glBufferData(GL_TEXTURE_BUFFER, hexaBarycentersBufferSize, &(m_hexaBarycenters[0]), GL_DYNAMIC_COPY);
+            glGenTextures(1, &m_hexaBarycentersTboTexture);
+            glBindBuffer(GL_TEXTURE_BUFFER, 0);
+            b_tboCreated = true;
+        }
+    }
 
-        glGenBuffers(1, &m_tetraBarycentersTbo);
+    if (m_tetraBarycenters.size() > 0)
+    {
         glBindBuffer(GL_TEXTURE_BUFFER, m_tetraBarycentersTbo);
-        glBufferData(GL_TEXTURE_BUFFER, tetraBarycentersBufferSize, &(m_tetraBarycenters[0]), GL_DYNAMIC_COPY);
-        glGenTextures(1, &m_tetraBarycentersTboTexture);
+        glBufferSubData(GL_TEXTURE_BUFFER, 0, tetraBarycentersBufferSize, &(m_tetraBarycenters[0]));
         glBindBuffer(GL_TEXTURE_BUFFER, 0);
-
-        glGenBuffers(1, &m_hexaBarycentersTbo);
+    }
+    if (m_hexaBarycenters.size() > 0)
+    {
         glBindBuffer(GL_TEXTURE_BUFFER, m_hexaBarycentersTbo);
-        glBufferData(GL_TEXTURE_BUFFER, hexaBarycentersBufferSize, &(m_hexaBarycenters[0]), GL_DYNAMIC_COPY);
-        glGenTextures(1, &m_hexaBarycentersTboTexture);
+        glBufferSubData(GL_TEXTURE_BUFFER, 0, hexaBarycentersBufferSize, &(m_hexaBarycenters[0]));
         glBindBuffer(GL_TEXTURE_BUFFER, 0);
-
-        b_tboCreated = true;
     }
-
-    glBindBuffer(GL_TEXTURE_BUFFER, m_tetraBarycentersTbo);
-    glBufferSubData(GL_TEXTURE_BUFFER, 0, tetraBarycentersBufferSize, &(m_tetraBarycenters[0]));
-    glBindBuffer(GL_TEXTURE_BUFFER, m_hexaBarycentersTbo);
-    glBufferSubData(GL_TEXTURE_BUFFER, 0, hexaBarycentersBufferSize, &(m_hexaBarycenters[0]));
-    glBindBuffer(GL_TEXTURE_BUFFER, 0);
 }
 
 void OglVolumetricModel::handleTopologyChange()
@@ -440,6 +449,7 @@ void OglVolumetricModel::drawTransparent(const core::visual::VisualParams* vpara
     const type::vector<Hexahedron>& hexahedra = d_hexahedra.getValue();
     //glEnable(GL_CLIP_DISTANCE0);
 
+
     if (tetrahedra.size() > 0)
     {
         glBindTexture(GL_TEXTURE_BUFFER, m_tetraBarycentersTboTexture);