SuperTuxKart 1.5 upstream source (from official release tarball)

data/shaders/passthrough.frag

@@ -0,0 +1,11 @@
+uniform sampler2D tex;
+uniform int width;
+uniform int height;
+
+out vec4 FragColor;
+
+void main()
+{
+    vec2 uv = gl_FragCoord.xy / vec2(width, height);
+    FragColor = texture(tex, uv);
+}