SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/screenquad.vert

@@ -0,0 +1,15 @@
+#ifdef Explicit_Attrib_Location_Usable
+layout(location = 0) in vec2 Position;
+layout(location = 3) in vec2 Texcoord;
+#else
+in vec2 Position;
+in vec2 Texcoord;
+#endif
+
+out vec2 uv;
+
+void main()
+{
+    uv = Texcoord;
+    gl_Position = vec4(Position, 0., 1.);
+}