From 0f66bdecfe3418e2b1f8100d53d3ebce00d96462 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=98yvind=20Kol=C3=A5s?= <pippin@gimp.org>
Date: Mon, 25 Sep 2017 20:56:55 +0200
Subject: [PATCH] babl: add decrease of bits per components to bad_idea()

related to bug #787441
---
 babl/babl-fish-path.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/babl/babl-fish-path.c b/babl/babl-fish-path.c
index b7133af..6b2874b 100644
--- a/babl/babl-fish-path.c
+++ b/babl/babl-fish-path.c
@@ -165,6 +165,13 @@ bad_idea (const Babl *from, const Babl *to, const Babl *format)
   {
     return 1;
   }
+  if (from->format.type[0]->bits > format->format.type[0]->bits)
+  {
+    /* XXX: perhaps we especially avoid going to half-float, when
+     * going between u16 formats as well? */
+    return 1;
+  }
+
   return 0;
 }
 
-- 
2.30.2