diff --git a/shader/quad/shader.frag b/shader/quad/shader.frag
index 1643a3e..cab058d 100644
--- a/shader/quad/shader.frag
+++ b/shader/quad/shader.frag
@@ -53,6 +53,6 @@ void main()
     float kSigma = 7.0;
     float threshold = 0.3;
 
-    FragColor = denoise(ourTexture, TexCoord, sigma, kSigma, threshold);
-    //FragColor = texture(ourTexture, TexCoord);
+    //FragColor = denoise(ourTexture, TexCoord, sigma, kSigma, threshold);
+    FragColor = texture(ourTexture, TexCoord);
 }
diff --git a/shader/root/rt.glsl b/shader/root/rt.glsl
index 34de0c3..94b4974 100644
--- a/shader/root/rt.glsl
+++ b/shader/root/rt.glsl
@@ -108,6 +108,8 @@ void main()
 
     pixel.xyz = mix(pixel.xyz, vec3(1.0), depth);
 
+    pixel.xyz = texture(_noise, uv*.5-.5).xyz;
+
     // output to a specific pixel in the image
     imageStore(img_output, ivec2(gl_GlobalInvocationID.xy), pixel);
 }