Glitter: hacks for 1 neighbor sampling

1 files changed, 5 insertions, 1 deletions

diff --git a/glitter.cginc b/glitter.cginc
index ebacffe..e6c5cbf 100644
--- a/glitter.cginc
+++ b/glitter.cginc
@@ -212,12 +212,16 @@ float D_Kemppinen(float3 h, float alpha, float glint_alpha, float2 uv,
 
     float w = roulette * normal(sigma_a, x_a - g_a)
       * normal(sigma_s, x_s - g_s) / N;
-    D_filter += w;
+    // This is hacky nonsense intended to improve the 1-sampling case. Original
+    // code is commented out below.
+    D_filter += sqrt(w) * 2;
+    //D_filter += w;
     if (w > best_weight) {
       best_weight = w;
       best_g_a = g_a;
     }
     D_filter += w_lambda * compensation(x_a, sigma_a, res_a);
+    // This is also hacked in.
     D_filter += w_lambda * compensation(x_s, sigma_s, res_s);
   }