add wallpaper :)

common/automapaper/display.frag

@@ -0,0 +1,29 @@
+#version 310 es
+precision highp float;
+
+uniform sampler2D tex2D;
+uniform sampler2D old2D;
+uniform ivec2 resolution;
+uniform float frame_part;
+
+in highp vec2 texCoords;
+out vec4 stateColor;
+
+const vec4 bgColor = vec4(0.15, 0.02, 0.18, 1.0);
+const vec4 fgColor = vec4(0.58, 0.06, 0.68, 1.0);
+
+void main() {
+    vec2 canvasSize = vec2(textureSize(tex2D, 0));
+    vec4 state = texture(tex2D, texCoords);
+    vec4 ostate = texture(old2D, texCoords);
+
+    vec2 localCoords = fract(gl_FragCoord.xy / vec2(resolution) * canvasSize);
+    localCoords = localCoords - 0.5;
+    float dist = sqrt(dot(localCoords, localCoords));
+
+    float size = smoothstep(0.0, 1.0, pow(mix(ostate.g,state.g, frame_part), 3.0)) * 0.35;
+    float mask = 1.0 - step(size, dist);
+
+    float brightness = mix(ostate.r,state.r, frame_part) + 0.2 * pow(mix(ostate.g,state.g, frame_part), 3.0);
+    stateColor = mix(bgColor, fgColor, brightness * mask);
+}