yes

modules/wallpaper-engine/shaders/blur_k3.vert

@@ -0,0 +1,14 @@
+
+
+uniform vec4 g_Texture0Resolution;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec4 v_TexCoord;
+
+void main() {
+	gl_Position = vec4(a_Position, 1);
+	v_TexCoord.xy = a_TexCoord;
+	v_TexCoord.zw = CAST2(1.0) / g_Texture0Resolution.xy;
+}