diff --git a/java/ImageProcessing/res/raw/threshold.rs b/java/ImageProcessing/res/raw/threshold.rs
index dec5587..ad4dbd5 100644
--- a/java/ImageProcessing/res/raw/threshold.rs
+++ b/java/ImageProcessing/res/raw/threshold.rs
@@ -5,8 +5,8 @@
     char a;
 };
 
-void filter(struct color_s *in, struct color_s *out, struct vec3_s *luminanceVector) {
-    struct vec3_s pixel;
+void filter(struct color_s *in, struct color_s *out, struct vecF32_3_s *luminanceVector) {
+    struct vecF32_3_s pixel;
     pixel.x = (in->r & 0xFF) / 255.0f;
     pixel.y = (in->g & 0xFF) / 255.0f;
     pixel.z = (in->b & 0xFF) / 255.0f;
@@ -22,10 +22,12 @@
 }
 
 void main() {
+    int t = uptimeMillis();
+
     struct color_s *in = (struct color_s *) InPixel;
     struct color_s *out = (struct color_s *) OutPixel;
-    
-    struct vec3_s luminanceVector;
+
+    struct vecF32_3_s luminanceVector;
     luminanceVector.x = 0.2125f;
     luminanceVector.y = 0.7154f;
     luminanceVector.z = 0.0721f;
@@ -40,5 +42,8 @@
         out++;
     }
 
+    t= uptimeMillis() - t;
+    debugI32("Filter time", t);
+
     sendToClient(&count, 1, 4, 0);
 }