dehaze: add accidently removed early exit in case there is no haze detected, #5456

2019-09-22 20:53:03 +02:00
parent 0fc0eced5a
commit 189f474e03
1 changed files with 7 additions and 0 deletions
--- a/rtengine/ipdehaze.cc
+++ b/rtengine/ipdehaze.cc
@@ -257,6 +257,13 @@ BENCHFUN
            }
        }

+        if (min(ambient[0], ambient[1], ambient[2]) < 0.01f) {
+            if (options.rtSettings.verbose) {
+                std::cout << "dehaze: no haze detected" << std::endl;
+            }
+            img->normalizeFloatTo65535();
+            return; // probably no haze at all
+        }
        patchsize = max(max(W, H) / 600, 2);

        if (options.rtSettings.verbose) {