diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColorMaps.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColorMaps.glsl
index eaab6d652a7a143d56579c43660d1d4b681e718b..8a71e80cf683c2cdbef4dbcb0333a432bc1e58c2 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColorMaps.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColorMaps.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPS_GLSL
 #define WGECOLORMAPS_GLSL
 
-#version 120
+#version 130
 
 uniform int useColorMap;
 
@@ -438,7 +438,7 @@ void colorMap( inout vec3 col, in float value, int cmap )
  * \param colormap the colormap index to use
  */
 void colormap( inout vec4 color, in vec4 value, float minV, float scaleV, float thresholdV, float alpha, int colormap,
-               bool active )
+               bool cmactive )
 {
     // below threshold?
     bool clip = ( value.r + value.g + value.b ) / 3.0 < ( ( minV + thresholdV ) / scaleV );
@@ -478,7 +478,7 @@ void colormap( inout vec4 color, in vec4 value, float minV, float scaleV, float
     }
 
     // finally mix colors according to alpha
-    color = mix( color, col, float( active ) * alpha );
+    color = mix( color, col, float( cmactive ) * alpha );
 }
 
 #endif // WGECOLORMAPS_GLSL
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColorMapsImproved.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColorMapsImproved.glsl
index 268774fcd69ecf2bbf9e7a238d6e975f37c0bb17..d6d7bc7ed489919a8df4c69a90084bea903235e4 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColorMapsImproved.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColorMapsImproved.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPSIMPROVED_GLSL
 #define WGECOLORMAPSIMPROVED_GLSL
 
-#version 120
+#version 130
 
 #include "WGEUtils.glsl"
 
@@ -463,7 +463,7 @@ vec4 colormap( in vec4 value, float minV, float scaleV,
                bool clipZeroEnabled,
                float thresholdVLower, float thresholdVUpper, bool thresholdEnabled,
                vec2  window, bool windowEnabled,
-               float alpha, int colormap, bool active )
+               float alpha, int colormap, bool cmactive )
 {
     ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
     // Scale the input data to original space, and apply windowing
@@ -550,7 +550,7 @@ vec4 colormap( in vec4 value, float minV, float scaleV,
                               alpha *               // did the user specified an alpha?
                               clip *                // value clip?
                               clipTh *              // clip due to threshold?
-                              float( active ) );    // is it active?
+                              float( cmactive ) );    // is it active?
 }
 
 #endif // WGECOLORMAPS_GLSL
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-fragment.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-fragment.glsl
index eb914ed1d428015ae6c7cd337eb72ac023a017e3..747f4f0463bcd356ef107ea92a74a67cb47ceaaa 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-fragment.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-fragment.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPPING_FRAGMENT_GLSL
 #define WGECOLORMAPPING_FRAGMENT_GLSL
 
-#version 120
+#version 130
 
 #include "WGEColorMapsImproved.glsl"
 
@@ -55,7 +55,7 @@ void colormap( inout vec4 color, in sampler3D sampler, in vec3 coord, in vec3 si
                bool clipZeroEnabled,
                float thresholdVLower, float thresholdVUpper, bool thresholdEnabled,
                bool windowEnabled, vec2  window,
-               float alpha, int cmap, bool active )
+               float alpha, int cmap, bool cmactive )
 {
     // This implements a manual trilinear interpolation. Include WGETextureutils.glsl to use this
     // vec3 vSize = vec3( 1.0 / float( size.x ),
@@ -75,14 +75,14 @@ void colormap( inout vec4 color, in sampler3D sampler, in vec3 coord, in vec3 si
     // vec3 c101 = getNeighbourVoxel( vSize, coord, vec3( 1.0, 0.0, 1.0 ) );
     // vec3 c111 = getNeighbourVoxel( vSize, coord, vec3( 1.0, 1.0, 1.0 ) );
     //
-    // vec4 v00 = mix( colormap( texture3D( sampler, c000 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ),
-    //                 colormap( texture3D( sampler, c100 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ), coordDiff.x );
-    // vec4 v10 = mix( colormap( texture3D( sampler, c010 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ),
-    //                 colormap( texture3D( sampler, c110 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ), coordDiff.x );
-    // vec4 v01 = mix( colormap( texture3D( sampler, c001 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ),
-    //                 colormap( texture3D( sampler, c101 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ), coordDiff.x );
-    // vec4 v11 = mix( colormap( texture3D( sampler, c011 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ),
-    //                 colormap( texture3D( sampler, c111 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, active ), coordDiff.x );
+    // vec4 v00 = mix( colormap( texture3D( sampler, c000 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ),
+    //                 colormap( texture3D( sampler, c100 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ), coordDiff.x );
+    // vec4 v10 = mix( colormap( texture3D( sampler, c010 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ),
+    //                 colormap( texture3D( sampler, c110 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ), coordDiff.x );
+    // vec4 v01 = mix( colormap( texture3D( sampler, c001 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ),
+    //                 colormap( texture3D( sampler, c101 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ), coordDiff.x );
+    // vec4 v11 = mix( colormap( texture3D( sampler, c011 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ),
+    //                 colormap( texture3D( sampler, c111 ).rgba, minV, scaleV, thresholdV, thresholdEnabled, alpha, cmap, cmactive ), coordDiff.x );
     //
     // vec4 src = mix( mix( v00, v10, coordDiff.y ),
     //            mix( v01, v11, coordDiff.y ), coordDiff.z );
@@ -94,7 +94,7 @@ void colormap( inout vec4 color, in sampler3D sampler, in vec3 coord, in vec3 si
     vec4 src = colormap( value, minV, scaleV, clipZeroEnabled,
                                               thresholdVLower, thresholdVUpper, thresholdEnabled,
                                               window, windowEnabled,
-                                              alpha, cmap, active );
+                                              alpha, cmap, cmactive );
 
     // compositing:
     // associated colors needed
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-uniforms.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-uniforms.glsl
index 1abd0fd51dd0a0b6ce2c14a602ed103c2d9af56f..1bd3bf6a6e8f1bb8753b86ff2c23010bcaa68747 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-uniforms.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-uniforms.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPPING_UNIFORMS_GLSL
 #define WGECOLORMAPPING_UNIFORMS_GLSL
 
-#version 120
+#version 130
 
 // All the uniforms needed. These uniforms get set by the WGEColormapping class for your Node.
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-varyings.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-varyings.glsl
index f69918c64714fee7a422f641de4944d32ba686e7..56e91195942763c595bb9ce9d7970d539f528535 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-varyings.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-varyings.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPPING_VARYINGS_GLSL
 #define WGECOLORMAPPING_VARYINGS_GLSL
 
-#version 120
+#version 130
 
 /**
  * The texture coordinate in local texture space.
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-vertex.glsl
index 25a0e719aaca7db15f59f08cac05812c2dd26192..4a8b206ccaa945b317785be1bcb895a56f43b11b 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEColormapping-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEColormapping-vertex.glsl
@@ -25,7 +25,7 @@
 #ifndef WGECOLORMAPPING_VERTEX_GLSL
 #define WGECOLORMAPPING_VERTEX_GLSL
 
-#version 120
+#version 130
 
 #include "WGEColormapping-uniforms.glsl"
 #include "WGEColormapping-varyings.glsl"
diff --git a/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-fragment.glsl b/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-fragment.glsl
index fd2edd8456ba43ac818f061b6d2d8ba9b82e3764..d4a473718f15c0f6201a0342f63ad2d5e95b4752 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-fragment.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEShadingTools.glsl"
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-vertex.glsl
index 1c1cf027b232f1aba8c4db65e87ff72cf5c36763..3134b844560416aea03298799cd7919e10297f88 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGECoordinateSystem-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /**
  * The normal.
diff --git a/src/core/graphicsEngine/shaders/shaders/WGELighting-fragment.glsl b/src/core/graphicsEngine/shaders/shaders/WGELighting-fragment.glsl
index b32d4529b0fe5852d129576143ab4bd1c87aec02..22448073bbead4933843a8086cfb6fb8564f3753 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGELighting-fragment.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGELighting-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEShadingTools.glsl"
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGELighting-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGELighting-vertex.glsl
index 2c700802fc9e2e8877ad35eb8ad30b152c8226a3..f1769d636c488eb94d78c9e36c3cc576b900f3db 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGELighting-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGELighting-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGETransformationTools.glsl"
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessing.glsl b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessing.glsl
index e8d9e9ae663ab7b016815fa80e5c6d562fa2d291..ca7a586dec486777b1863e57122d0287a8f02863 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessing.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessing.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEPOSTPROCESSING_GLSL
 #define WGEPOSTPROCESSING_GLSL
 
-#version 120
+#version 130
 
 // This defines some stuff needed to enable your shader to allow the result to be post-processed.
 // You'll need to do the following:
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessor-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessor-vertex.glsl
index ae3d65efec911f06a845d3bca3d57c857a3b71d5..78a440e25e98d93b5d76b43a463339c9eff9a08b 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessor-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessor-vertex.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEPOSTPROCESSOR_VERTEX_GLSL
 #define WGEPOSTPROCESSOR_VERTEX_GLSL
 
-#version 120
+#version 130
 
 #include "WGEPostprocessorUtils-vertex.glsl"
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-fragment.glsl b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-fragment.glsl
index 9ad9d48a00c2b7887bc9a05e40b746a98ea81f8a..6505ab6546928d69c613b08282fe2565c493403c 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-fragment.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-fragment.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEPOSTPROCESSORCOMBINER_FRAGMENT_GLSL
 #define WGEPOSTPROCESSORCOMBINER_FRAGMENT_GLSL
 
-#version 120
+#version 130
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // Input-Texture Uniforms
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-vertex.glsl
index f2042bb2a354d8c35ba3f83c0c47e95fdd4e9a61..cf7732adca8777152e2a82672daf0aa24c27a53d 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorCombiner-vertex.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEPOSTPROCESSORCOMBINER_VERTEX_GLSL
 #define WGEPOSTPROCESSORCOMBINER_VERTEX_GLSL
 
-#version 120
+#version 130
 
 /**
  * Does transfer the quad to image space.
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorUtils-vertex.glsl b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorUtils-vertex.glsl
index 0272ca0636b4ed0b8f2946ccbcef69e15e0b4295..46c4caccd274be88356c17c0f785ef75cf4720de 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorUtils-vertex.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEPostprocessorUtils-vertex.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEPOSTPROCESSORUTILS_VERTEX_GLSL
 #define WGEPOSTPROCESSORUTILS_VERTEX_GLSL
 
-#version 120
+#version 130
 
 /**
  * Does transfer the quad to image space.
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEShadingTools.glsl b/src/core/graphicsEngine/shaders/shaders/WGEShadingTools.glsl
index 1ac979b9895d907bfa9a0270e1e0c9f784ce645c..1ec907cc19d0a3d2cde87b31dcbf4492dc558fd1 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEShadingTools.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEShadingTools.glsl
@@ -25,7 +25,7 @@
 #ifndef WGESHADINGTOOLS_GLSL
 #define WGESHADINGTOOLS_GLSL
 
-#version 120
+#version 130
 
 /**
  * A struct containing the needed light and material parameters commonly used in most shaders.
diff --git a/src/core/graphicsEngine/shaders/shaders/WGETensorTools.glsl b/src/core/graphicsEngine/shaders/shaders/WGETensorTools.glsl
index 1cb570f4bd330c76c05a58e95fe161e695f2401b..29385360c825cbb279bc3a991c8540b7277eaeb3 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGETensorTools.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGETensorTools.glsl
@@ -25,7 +25,7 @@
 #ifndef WGETENSORTOOLS_GLSL
 #define WGETENSORTOOLS_GLSL
 
-#version 120
+#version 130
 
 // (c) 2007 by Mario Hlawitschka
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGETextureTools.glsl b/src/core/graphicsEngine/shaders/shaders/WGETextureTools.glsl
index 7e5b333f4fec9c82ac3cdc45e9e0a36a0a621b0c..5b1ac28e80af71183cc370e0e1aeb6d213b56980 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGETextureTools.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGETextureTools.glsl
@@ -25,7 +25,7 @@
 #ifndef WGETEXTURETOOLS_GLSL
 #define WGETEXTURETOOLS_GLSL
 
-#version 120
+#version 130
 
 #include "WGEUtils.glsl"
 
diff --git a/src/core/graphicsEngine/shaders/shaders/WGETransformationTools.glsl b/src/core/graphicsEngine/shaders/shaders/WGETransformationTools.glsl
index 4b10825fe18781f6edc634a43399c5c656b9cb12..b7a2e7a758fdaa812254950e28e82e88014c9475 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGETransformationTools.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGETransformationTools.glsl
@@ -25,7 +25,7 @@
 #ifndef WGETRANSFORMATIONTOOLS_GLSL
 #define WGETRANSFORMATIONTOOLS_GLSL
 
-#version 120
+#version 130
 
 /**
  * Projects a given point to screen-space, where (0,0) is the lower left corner and (1,1) the upper right. The Depth
diff --git a/src/core/graphicsEngine/shaders/shaders/WGEUtils.glsl b/src/core/graphicsEngine/shaders/shaders/WGEUtils.glsl
index 92ee33b5841c11138f4f4d0ac4ed4c642b75a352..4d7a1c96c1a06ce268b6076bfaa658bc30fab589 100644
--- a/src/core/graphicsEngine/shaders/shaders/WGEUtils.glsl
+++ b/src/core/graphicsEngine/shaders/shaders/WGEUtils.glsl
@@ -25,7 +25,7 @@
 #ifndef WGEUTILS_GLSL
 #define WGEUTILS_GLSL
 
-#version 120
+#version 130
 
 /**
  * 
diff --git a/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-fragment.glsl b/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-fragment.glsl
index f3c97ab2c4519309ef2a97505091caa4366d5aed..d9600b1e8249abdf52d43a714f56b6088af29b30 100644
--- a/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-fragment.glsl
+++ b/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-vertex.glsl b/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-vertex.glsl
index 49b02ab8d99806c04025d09883ceda1894fe5654..2a5c88457d52c1e1b0ec208eb325e00c9f5265d2 100644
--- a/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-vertex.glsl
+++ b/src/modules/arbitraryPlane/shaders/WMArbitraryPlane-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/colormapper/shaders/WMColormapper-fragment.glsl b/src/modules/colormapper/shaders/WMColormapper-fragment.glsl
index c9ba6b0772a49f84037baf369593b5ea667017f4..23399d6032a64540751e016af242c5d587bc0064 100644
--- a/src/modules/colormapper/shaders/WMColormapper-fragment.glsl
+++ b/src/modules/colormapper/shaders/WMColormapper-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColorMaps.glsl"
 
diff --git a/src/modules/colormapper/shaders/WMColormapper-vertex.glsl b/src/modules/colormapper/shaders/WMColormapper-vertex.glsl
index 405552f485aaad0e88d1f8619c89dd3ad33541d2..f76a517b6d28b6b163a76e18e883ff9dd789995b 100644
--- a/src/modules/colormapper/shaders/WMColormapper-vertex.glsl
+++ b/src/modules/colormapper/shaders/WMColormapper-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /////////////////////////////////////////////////////////////////////////////
 // Varyings
diff --git a/src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl b/src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl
index ea75dc586d180c87769ec522859eb45198fb9331..329086abd699a4a7593e2f8991ede62505aacda8 100644
--- a/src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl
+++ b/src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /**
  * Texture sampler for the face-label texture
diff --git a/src/modules/coordinateHUD/shaders/WMCoordinateHUD-vertex.glsl b/src/modules/coordinateHUD/shaders/WMCoordinateHUD-vertex.glsl
index 04df92896a5495a4a198f80790c225ce295a3191..d8cff6800ebf24b4bb64ab687c313c34ce467653 100644
--- a/src/modules/coordinateHUD/shaders/WMCoordinateHUD-vertex.glsl
+++ b/src/modules/coordinateHUD/shaders/WMCoordinateHUD-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 void main()
 {
diff --git a/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-fragment.glsl b/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-fragment.glsl
index 6af3472d50fbc1933e8d3cfaacff7bab70686a66..d1d15ec4b58c5ca7352067d2b0a0d020a6d91200 100644
--- a/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-fragment.glsl
+++ b/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #ifdef LOCALILLUMINATION_PHONG
 #include "WGEShadingTools.glsl"
diff --git a/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-vertex.glsl b/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-vertex.glsl
index f824f9f0a5185a9f64aaddefc5614333e0f83650..53f595e14d92309911119a11d9aea1ffd1c8f4d8 100644
--- a/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-vertex.glsl
+++ b/src/modules/directVolumeRendering/shaders/WMDirectVolumeRendering-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGETransformationTools.glsl"
 
diff --git a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-fragment.glsl b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-fragment.glsl
index 56aa430cd2a1aa0e180dfa91b2f1df51163496e0..b1d70866bb70f6171e0e7ec33a59df93bd5e4a1c 100644
--- a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-fragment.glsl
+++ b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-geometry.glsl b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-geometry.glsl
index afadac214c97383c3186122775576e5e2bf7a7de..6d5ca4f7d072374f481f12c2493b4e4ed6fdf96d 100644
--- a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-geometry.glsl
+++ b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-geometry.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-vertex.glsl b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-vertex.glsl
index 911b6fb7315c0fc20d22c48fc275c12102f43963..10e5052ad59a04b6bb87848e0360deb602ce0f4b 100644
--- a/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-vertex.glsl
+++ b/src/modules/fiberDisplay/shaders/WMFiberDisplay-EndCap-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/fiberDisplay/shaders/WMFiberDisplay-fragment.glsl b/src/modules/fiberDisplay/shaders/WMFiberDisplay-fragment.glsl
index 347498fab0079c7a57686c79d503e23cd3ee411f..459478b0ae48e8a6c09f3786dc804b95acc343ce 100644
--- a/src/modules/fiberDisplay/shaders/WMFiberDisplay-fragment.glsl
+++ b/src/modules/fiberDisplay/shaders/WMFiberDisplay-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/fiberDisplay/shaders/WMFiberDisplay-vertex.glsl b/src/modules/fiberDisplay/shaders/WMFiberDisplay-vertex.glsl
index 26ab1dc56b3f4d33d33fa31877e85bfe1538edcd..5bc7ec79f38e466a31c522268fb79fb3e0927b3c 100644
--- a/src/modules/fiberDisplay/shaders/WMFiberDisplay-vertex.glsl
+++ b/src/modules/fiberDisplay/shaders/WMFiberDisplay-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-fragment.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-fragment.glsl
index ba0d31be25e5a4b24699e45f9d329c7ea0409d22..96727d64679652d56832865963be1edb3a710d5a 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-fragment.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 #extension GL_EXT_gpu_shader4 : enable
 
 #include "WGEUtils.glsl"
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-vertex.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-vertex.glsl
index 336d9085c4c1e56bf9673d26e5b9b4877919d3bf..e6f46d1bb60092ce0eea33482864844f34c1113c 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-vertex.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Advection-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 void main()
 {
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-ClipBlend-vertex.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-ClipBlend-vertex.glsl
index 336d9085c4c1e56bf9673d26e5b9b4877919d3bf..e6f46d1bb60092ce0eea33482864844f34c1113c 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-ClipBlend-vertex.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-ClipBlend-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 void main()
 {
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-fragment.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-fragment.glsl
index 06004743747860720630029d5d6fc9885a0c6cbc..6a440102df74d1b9a3bf0d7471eb7b3573474251 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-fragment.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /**
  * The texture Unit for the depth field
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-vertex.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-vertex.glsl
index 336d9085c4c1e56bf9673d26e5b9b4877919d3bf..e6f46d1bb60092ce0eea33482864844f34c1113c 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-vertex.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Edge-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 void main()
 {
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-fragment.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-fragment.glsl
index c87a81f45f2ee560060d1d6159dccb6c0b4bb35d..58864c8f10cf1401cce2d736538fe870758d8607 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-fragment.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-vertex.glsl b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-vertex.glsl
index 7312bb9aab22b4a4f676c4b7e658d303fd58a6b6..4ee4b5e207e4ae5667beb2b922664ed678217649 100644
--- a/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-vertex.glsl
+++ b/src/modules/imageSpaceLIC/shaders/WMImageSpaceLIC-Transformation-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/isosurface/shaders/WMIsosurface-fragment.glsl b/src/modules/isosurface/shaders/WMIsosurface-fragment.glsl
index ed69c0b3ff442fb27533c57d1f99f9d9a23a1776..d7bd9e7e321768acadb2be8710ce609d50cb5492 100644
--- a/src/modules/isosurface/shaders/WMIsosurface-fragment.glsl
+++ b/src/modules/isosurface/shaders/WMIsosurface-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 #include "WGETextureTools.glsl"
diff --git a/src/modules/isosurface/shaders/WMIsosurface-vertex.glsl b/src/modules/isosurface/shaders/WMIsosurface-vertex.glsl
index 60c39ce81a309caeacfa15d6ec74fe4e52390fd7..0c961d203df7ebb90db0c22c634f33d97c55458d 100644
--- a/src/modules/isosurface/shaders/WMIsosurface-vertex.glsl
+++ b/src/modules/isosurface/shaders/WMIsosurface-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 #include "WGETransformationTools.glsl"
diff --git a/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-fragment.glsl b/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-fragment.glsl
index b4befa32c689e578e258516ba073732b83fa4b3e..cb01cc3ab66b0ab79b3308ae767250f737096480 100644
--- a/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-fragment.glsl
+++ b/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-vertex.glsl b/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-vertex.glsl
index c0d30e3dfb617bee265dc6b46ad517f1e5f5e44f..bf979e6bff597a9ab88c8182b15aca0d6a6b1c0f 100644
--- a/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-vertex.glsl
+++ b/src/modules/isosurfaceRaytracer/shaders/WMIsosurfaceRaytracer-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/navigationSlices/shaders/WMNavigationSlices-fragment.glsl b/src/modules/navigationSlices/shaders/WMNavigationSlices-fragment.glsl
index 7f11dbd6f7fa771c8dad054cc73678a009d2666c..823d86cb06176f7f9c97e1026a2b765f7e372733 100644
--- a/src/modules/navigationSlices/shaders/WMNavigationSlices-fragment.glsl
+++ b/src/modules/navigationSlices/shaders/WMNavigationSlices-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/navigationSlices/shaders/WMNavigationSlices-vertex.glsl b/src/modules/navigationSlices/shaders/WMNavigationSlices-vertex.glsl
index 5912d24501fcbf2f85110491e654fe48e38ffd4e..de63d7ccc3c538c30434ecd480402e2b0f7feea9 100644
--- a/src/modules/navigationSlices/shaders/WMNavigationSlices-vertex.glsl
+++ b/src/modules/navigationSlices/shaders/WMNavigationSlices-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/pointRenderer/shaders/WMPointRenderer-fragment.glsl b/src/modules/pointRenderer/shaders/WMPointRenderer-fragment.glsl
index a12a49088f157f6c9372a59e7ecee60512bb6d39..e7491b05e51bef2f3b17543ef0f2b574e33b2a5d 100644
--- a/src/modules/pointRenderer/shaders/WMPointRenderer-fragment.glsl
+++ b/src/modules/pointRenderer/shaders/WMPointRenderer-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/pointRenderer/shaders/WMPointRenderer-geometry.glsl b/src/modules/pointRenderer/shaders/WMPointRenderer-geometry.glsl
index 09ae70a2ac0eafebb0a258e2875423e8719ed084..7b955032713ca62731f3b0e4d28669c44e4628c4 100644
--- a/src/modules/pointRenderer/shaders/WMPointRenderer-geometry.glsl
+++ b/src/modules/pointRenderer/shaders/WMPointRenderer-geometry.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/pointRenderer/shaders/WMPointRenderer-vertex.glsl b/src/modules/pointRenderer/shaders/WMPointRenderer-vertex.glsl
index 62fe11b5a854c86847f5f3bfdd3e89eef2d413a8..51b1bd22a04f610d457e31952791613a13d3e56a 100644
--- a/src/modules/pointRenderer/shaders/WMPointRenderer-vertex.glsl
+++ b/src/modules/pointRenderer/shaders/WMPointRenderer-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #extension GL_EXT_geometry_shader4 : enable
 
diff --git a/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl b/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl
index af5830081804b2184c7b142670ddf328df522f62..136e950272df383b05a498761ce5d559d2fc2965 100644
--- a/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl
+++ b/src/modules/splineSurface/shaders/WMSplineSurface-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/splineSurface/shaders/WMSplineSurface-vertex.glsl b/src/modules/splineSurface/shaders/WMSplineSurface-vertex.glsl
index ac07dae7342aca6ffba34758daf3a2a4f6be5462..553c400784527cadb8d9372e31e40adda002568c 100644
--- a/src/modules/splineSurface/shaders/WMSplineSurface-vertex.glsl
+++ b/src/modules/splineSurface/shaders/WMSplineSurface-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-fragment.glsl b/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-fragment.glsl
index 11436437018d2591ee502d5140b63d8b15431008..a932e5982fab8502001a61debd597fe4039675bc 100644
--- a/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-fragment.glsl
+++ b/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEShadingTools.glsl"
 #include "WGETextureTools.glsl"
diff --git a/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-vertex.glsl b/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-vertex.glsl
index 29941845af741e2b1f01e5cddaefd91f201bf5ac..f9d87553a5efd902510e7172967ff9241932b639 100644
--- a/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-vertex.glsl
+++ b/src/modules/superquadricGlyphs/shaders/WMSuperquadricGlyphs-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 #extension GL_ARB_gpu_shader5 : enable
 
 // include some utility functions
diff --git a/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-fragment.glsl b/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-fragment.glsl
index 90852a86bddd12671de93405fedef3fde9dcb9c3..dde2cd79264a42d428943808ffb5917e73c7a089 100644
--- a/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-fragment.glsl
+++ b/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 varying vec4 verpos;
 
diff --git a/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-vertex.glsl b/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-vertex.glsl
index 0272b49a940eac1e3aaf717a098426f3e92f7b55..116439f07490b1b0dcec08a261303b1b39326cf0 100644
--- a/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-vertex.glsl
+++ b/src/modules/surfaceIllustrator/shaders/WMSurfaceIllustrator-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /**
  * The normal.
diff --git a/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-fragment.glsl b/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-fragment.glsl
index 6d044164efe0ab24a6e4c710c21b2a7318eb6b2b..587d30d88f9bbff25a22ac0e69a2ee0a35b3268a 100644
--- a/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-fragment.glsl
+++ b/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 #extension GL_EXT_gpu_shader4 : enable
 
 #include "WGETextureTools.glsl"
diff --git a/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-vertex.glsl b/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-vertex.glsl
index b241da3036e5dca3ff7e33cf4c0f20266e5f3241..c57de9bdafa7f14c1fe363a5683be4e546742757 100644
--- a/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-vertex.glsl
+++ b/src/modules/surfaceParameterAnimator/shaders/WMSurfaceParameterAnimator-Beams-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGETransformationTools.glsl"
 
diff --git a/src/modules/teemGlyphs/shaders/WMTeemGlyphs-vertex.glsl b/src/modules/teemGlyphs/shaders/WMTeemGlyphs-vertex.glsl
index acb651f4c662320f9ecf0639ef502eb38b82e82b..f5a1fd79682a487d27c5856a3bce87b9eb102b6f 100644
--- a/src/modules/teemGlyphs/shaders/WMTeemGlyphs-vertex.glsl
+++ b/src/modules/teemGlyphs/shaders/WMTeemGlyphs-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 // the Surface normal at this point
 varying vec3 v_normal;
diff --git a/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-fragment.glsl b/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-fragment.glsl
index 06971dea7cafc372ee1c1cd5da8e99e4a59d7f92..49be552ff1bea5ed14e6e6b03e360144fccdd76e 100644
--- a/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-fragment.glsl
+++ b/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /////////////////////////////////////////////////////////////////////////////
 // Varyings
diff --git a/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-vertex.glsl b/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-vertex.glsl
index 120d2fd89afd6cb3fdaab28fe08224405fd00f28..e798eb0b2f9298120eb9aba03dff49dfc4163a19 100644
--- a/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-vertex.glsl
+++ b/src/modules/transferFunctionColorBar/shaders/WMTransferFunctionColorBar-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 /////////////////////////////////////////////////////////////////////////////
 // Varyings
diff --git a/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-fragment.glsl b/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-fragment.glsl
index ffcd443e929ee01e8263f503b1a9350ef26f3ce6..f5fbb9d1afa38275855e357de1492fd6f21a4127 100644
--- a/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-fragment.glsl
+++ b/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 
diff --git a/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-vertex.glsl b/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-vertex.glsl
index ffdc3a050005fb85503d05d79bf9535ea9e6e9fb..6716398d59729ed810b843030c429199b82afd29 100644
--- a/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-vertex.glsl
+++ b/src/modules/triangleMeshRenderer/shaders/WMTriangleMeshRenderer-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 
diff --git a/src/modules/voxelizer/shaders/WMVoxelizer-fragment.glsl b/src/modules/voxelizer/shaders/WMVoxelizer-fragment.glsl
index 8842d386768bce906b3dbd45d12df45419dd4ca6..fbdfc8b9e8f1072d53e7cf3dd597fa65624bbadb 100644
--- a/src/modules/voxelizer/shaders/WMVoxelizer-fragment.glsl
+++ b/src/modules/voxelizer/shaders/WMVoxelizer-fragment.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-fragment.glsl"
 #include "WGETextureTools.glsl"
diff --git a/src/modules/voxelizer/shaders/WMVoxelizer-vertex.glsl b/src/modules/voxelizer/shaders/WMVoxelizer-vertex.glsl
index 60c39ce81a309caeacfa15d6ec74fe4e52390fd7..0c961d203df7ebb90db0c22c634f33d97c55458d 100644
--- a/src/modules/voxelizer/shaders/WMVoxelizer-vertex.glsl
+++ b/src/modules/voxelizer/shaders/WMVoxelizer-vertex.glsl
@@ -22,7 +22,7 @@
 //
 //---------------------------------------------------------------------------
 
-#version 120
+#version 130
 
 #include "WGEColormapping-vertex.glsl"
 #include "WGETransformationTools.glsl"