yes

modules/wallpaper-engine/shaders/fade.frag

@@ -0,0 +1,10 @@
+
+varying mediump vec2 v_TexCoord;
+
+uniform mediump float g_Alpha;
+
+uniform lowp vec3 color; // {"material":"tint","default":"0.315, 0.135, 0.1125"}
+
+void main() {
+	gl_FragColor = vec4(color * 0.7, g_Alpha);
+}