yes

modules/wallpaper-engine/effects/motionblur/preview/shaders/effects/spin.frag

@@ -0,0 +1,24 @@
+
+// [COMBO] {"material":"Repeat","combo":"CLAMP","type":"options","default":1}
+
+varying vec4 v_TexCoord;
+varying vec2 v_TexCoordMask;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+#if MASK == 1
+uniform sampler2D g_Texture1; // {"material":"Mask","mode":"opacitymask","combo":"MASK","default":"util/black"}
+#endif
+
+void main() {
+	vec2 texCoord = v_TexCoord.xy;
+#if CLAMP
+	texCoord = frac(texCoord);
+#endif
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+	
+#if MASK == 1
+	float mask = texSample2D(g_Texture1, v_TexCoordMask).r;
+	gl_FragColor = mix(texSample2D(g_Texture0, v_TexCoord.zw), gl_FragColor, mask);
+#endif
+}