scroll-view-fade: Use GLSL 1.20

GLSL 1.20 is a better language, and we'll rely on it in future updates.
This doesn't have any additional constraints, since GLSL 1.20 was
standardized before GLSL-supporting drivers came out.

https://bugzilla.gnome.org/show_bug.cgi?id=689249

diff --git a/src/st/st-scroll-view-fade.glsl b/src/st/st-scroll-view-fade.glsl
index 9248fa6f0af4dd355889062f171e434585150a1c..4b07642adad3beea2999893a1137c601d9116e5a 100644 (file)
--- a/src/st/st-scroll-view-fade.glsl
+++ b/src/st/st-scroll-view-fade.glsl
@@ -17,6 +17,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#version 120
+
 uniform sampler2D tex;
 uniform float height;
 uniform float width;