SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/texturedquad.vert

@@ -0,0 +1,19 @@
+uniform vec2 center;
+uniform vec2 size;
+uniform vec2 texcenter;
+uniform vec2 texsize;
+#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 * texsize + texcenter;
+    gl_Position = vec4(Position * size + center, 0., 1.) ;
+}