change shaders to #version 130

share/jes/shaders/text.f.glsl

@@ -1,4 +1,4 @@
-#version 410
+#version 130
 
 /* Texture coordinate: s, t */
 in vec2 texture_coord_v;

share/jes/shaders/text.v.glsl

@@ -1,4 +1,4 @@
-#version 410
+#version 130
 
 /* Viewport width and height */
 uniform ivec2 viewport_size;
@@ -6,7 +6,7 @@ uniform ivec2 viewport_size;
 uniform ivec2 position;
 
 /* Vertex coordinates: x, y, s, t */
-layout(location = 0) in vec4 coords;
+in vec4 coords;
 
 /* Output texture coordinate: s, t */
 out vec2 texture_coord_v;