let's hope this doesn't break everything :3

modules/automapaper/state.frag

@@ -0,0 +1,35 @@
+#version 310 es
+precision highp float;
+
+uniform sampler2D state;
+uniform vec2 scale;
+
+out vec4 stateColor;
+
+vec4 get(int x, int y) {
+    return texture(state, (gl_FragCoord.xy + vec2(x, y)) / scale);
+}
+
+void main() {
+    int sum = int(get(-1, -1).r +
+              get(-1,  0).r +
+              get(-1,  1).r +
+              get( 0, -1).r +
+              get( 0,  1).r +
+              get( 1, -1).r +
+              get( 1,  0).r +
+              get( 1,  1).r);
+    vec4 current = get(0,0);
+    if (sum == 3) {
+        stateColor.r = 1.0;
+        stateColor.g = 1.0;
+    } else if (sum == 2) {
+        stateColor = current;
+        if (current.r == 0.0) {
+            stateColor.g = max(current.g - 0.01, 0.0);
+        }
+    } else {
+        stateColor = vec4(0.0, max(current.g - 0.01, 0.0), 0.0, 1.0);
+    }
+
+}