SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/sp_unlit.frag

@@ -0,0 +1,31 @@
+in vec4 color;
+in vec3 normal;
+in vec2 uv;
+
+layout(location = 0) out vec4 o_diffuse_color;
+layout(location = 1) out vec4 o_normal_color;
+
+#stk_include "utils/encode_normal.frag"
+#stk_include "utils/sp_texture_sampling.frag"
+
+void main(void)
+{
+    vec4 col = sampleTextureLayer0(uv);
+    if (col.a < 0.5)
+    {
+        discard;
+    }
+
+    vec3 final_color = col.xyz * color.xyz;
+    o_diffuse_color = vec4(final_color, 1.0);
+
+#if defined(Advanced_Lighting_Enabled)
+    o_diffuse_color = vec4(final_color, 0.4);
+
+    o_normal_color.xy = EncodeNormal(normalize(normal));
+    o_normal_color.zw = vec2(0.0);
+#else
+    o_diffuse_color = vec4(final_color, 1.0);
+#endif
+
+}