From 11c729d370951cd7cfbae47a6456c6dd908f25c6 Mon Sep 17 00:00:00 2001
From: Steven Robertson <steven@strobe.cc>
Date: Mon, 9 Jan 2012 14:08:32 -0500
Subject: [PATCH] Apply edge clamping a little more forcefully

---
 cuburn/code/filtering.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cuburn/code/filtering.py b/cuburn/code/filtering.py
index 6c0ab72..b6fcd05 100644
--- a/cuburn/code/filtering.py
+++ b/cuburn/code/filtering.py
@@ -174,8 +174,8 @@ void density_est(float4 *pixbuf, float4 *outbuf,
 
             // If the gradient scale is smaller than the minimum scale, we're
             // probably on a strong edge; blur slightly.
-            if (diag_mag > den * 2.0f) {
-                scale = max(-9.0f, scale);
+            if (diag_mag > den * edge_clamp) {
+                scale = -2.0f;
                 // Uncomment to see which pixels are being clamped
                 // de_g[si] = 1.0f;
             }