SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/sp_normal_visualizer.frag

@@ -0,0 +1,8 @@
+flat in vec4 o_color;
+
+out vec4 o_frag_color;
+
+void main()
+{
+    o_frag_color = o_color;
+}