opengl: add #version to shaders - minimum 130 which is OpenGL 3.0

Change-Id: I5710ce91e804641d4c997bc3d06970a5ed0cb5b1
Reviewed-on: https://gerrit.libreoffice.org/27890
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

vcl/opengl/areaScaleFastFragmentShader.glsl

@@ -9,6 +9,8 @@
 
 /* TODO Use textureOffset for newest version of GLSL */
 
+#version 130
+
 uniform sampler2D sampler;
 uniform int xscale;
 uniform int yscale;

vcl/opengl/blendedTextureFragmentShader.glsl

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

vcl/opengl/blendedTextureVertexShader.glsl

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

vcl/opengl/combinedFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying float fade_factor; // 0->1 fade factor used for AA
 varying float multiply;
 

vcl/opengl/combinedTextureFragmentShader.glsl

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

vcl/opengl/combinedTextureVertexShader.glsl

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

vcl/opengl/combinedVertexShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 attribute vec2 position;
 attribute vec4 extrusion_vectors;
 #ifdef USE_VERTEX_COLORS

vcl/opengl/convolutionFragmentShader.glsl

@@ -9,6 +9,8 @@
 
 /* TODO Use textureOffset for newest version of GLSL */
 
+#version 130
+
 uniform sampler2D sampler;
 uniform vec2 offsets[16];
 uniform float kernel[16];

vcl/opengl/diffTextureFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 /*precision mediump float;*/
 varying vec2 tex_coord;
 varying vec2 mask_coord;

vcl/opengl/dumbVertexShader.glsl

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

vcl/opengl/greyscaleFragmentShader.glsl

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

vcl/opengl/invert50FragmentShader.glsl

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

vcl/opengl/lineFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 varying float fade_factor; // 0->1 fade factor used for AA
 uniform vec4 color;
 

vcl/opengl/maskFragmentShader.glsl

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

vcl/opengl/maskedTextureFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 /*precision mediump float;*/
 varying vec2 tex_coord;
 varying vec2 mask_coord;

vcl/opengl/maskedTextureVertexShader.glsl

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

vcl/opengl/replaceColorFragmentShader.glsl

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

vcl/opengl/solidFragmentShader.glsl

@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#version 130
+
 /*precision mediump float;*/
 
 uniform vec4 color;

vcl/opengl/textureFragmentShader.glsl

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

vcl/opengl/textureVertexShader.glsl

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

vcl/opengl/transformedTextureVertexShader.glsl

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