make sure that all shaders contain a version string

This is necessary for OSX where we are using a core context that does
not implement any legacy features anymore.

Change-Id: I59536e99761691d910fef62cf82ceb03e57725ae

chart2/opengl/backgroundFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying vec4 fragmentColor;
 
 void main()

chart2/opengl/backgroundVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 uniform mat4 MVP;
 attribute vec4 vColor;

chart2/opengl/commonFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying vec4 fragmentColor;
 
 void main()

chart2/opengl/commonVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 uniform mat4 MVP;
 uniform vec4 vColor;

chart2/opengl/debugFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying vec4 fragmentColor;
 
 void main()

chart2/opengl/debugVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 uniform vec4 vColor;
 varying vec4 fragmentColor;

chart2/opengl/pickingFragmentShader.glsl

@@ -6,6 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
+#version 130
+
 uniform float minCoordX;
 varying vec3 positionWorldspace;
 varying vec4 fragmentColor;

chart2/opengl/pickingVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 uniform mat4 MVP;
 uniform mat4 M;

chart2/opengl/renderTextureFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 uniform sampler2D RenderTex;
 varying vec2 vTexCoord;
 

chart2/opengl/renderTextureVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec4 vPosition;
 attribute vec2 texCoord;
 varying vec2 vTexCoord;

chart2/opengl/screenTextFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying vec2 vTexCoord;
 uniform sampler2D TextTex;
 uniform vec4 textColor;

chart2/opengl/screenTextVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 attribute vec2 texCoord;
 varying vec2 vTexCoord;

chart2/opengl/shape3DFragmentShader.glsl

@@ -6,6 +6,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
 #define MAX_LIGHT_NUM 8
 

chart2/opengl/shape3DFragmentShaderBatch.glsl

@@ -6,6 +6,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
 #define MAX_LIGHT_NUM 8
 

chart2/opengl/shape3DFragmentShaderBatchScroll.glsl

@@ -6,6 +6,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
 #define MAX_LIGHT_NUM 8
 

chart2/opengl/shape3DFragmentShaderV300.glsl

@@ -6,6 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
+#version 130
+
 #define MAX_LIGHT_NUM 8
 
 varying vec3 positionWorldspace;

chart2/opengl/shape3DVertexShader.glsl

@@ -6,7 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
+
 in vec3 vertexPositionModelspace;
 in vec3 vertexNormalModelspace;
 

chart2/opengl/shape3DVertexShaderBatch.glsl

@@ -6,7 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
+
 in vec3 vertexPositionModelspace;
 in vec3 vertexNormalModelspace;
 in mat4 M;

chart2/opengl/shape3DVertexShaderBatchScroll.glsl

@@ -6,7 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #version 330 core
+
 in vec3 vertexPositionModelspace;
 in vec3 vertexNormalModelspace;
 in mat4 M;

chart2/opengl/shape3DVertexShaderV300.glsl

@@ -6,6 +6,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
+#version 130
+
 attribute vec3 vertexPositionModelspace;
 attribute vec3 vertexNormalModelspace;
 

chart2/opengl/symbolFragmentShader.glsl

@@ -7,7 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#version 120
+#version 130
 
 varying vec4 fragmentColor;
 uniform int shape;

chart2/opengl/symbolVertexShader.glsl

@@ -7,7 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#version 120
+#version 130
 
 attribute vec3 vPosition;
 uniform mat4 MVP;

chart2/opengl/textFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 uniform sampler2D TextTex;
 varying vec2 vTexCoord;
 void main()

chart2/opengl/textFragmentShaderBatch.glsl

@@ -8,6 +8,7 @@
  */
 
 #version 330 core
+
 #extension GL_EXT_texture_array : enable
 
 uniform sampler2DArray texArray;

chart2/opengl/textVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec3 vPosition;
 uniform mat4 MVP;
 attribute vec2 texCoord;

chart2/opengl/textVertexShaderBatch.glsl

@@ -8,6 +8,7 @@
  */
 
 #version 330 core
+
 in vec3 vPosition;
 in vec3 texCoord;