From 0d43ab3c755850a7c94810a536c0688b04878f64 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Sat, 8 Dec 2012 00:49:07 +0000
Subject: [PATCH] read broken dds files with NumLevels 0

---
 panda/src/gobj/texture.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/panda/src/gobj/texture.cxx b/panda/src/gobj/texture.cxx
index 1c4099d5ae..4a131f181a 100644
--- a/panda/src/gobj/texture.cxx
+++ b/panda/src/gobj/texture.cxx
@@ -3458,6 +3458,11 @@ do_read_dds(CData *cdata, istream &in, const string &filename, bool header_only)
   if ((header.dds_flags & DDSD_MIPMAPCOUNT) == 0) {
     // No bit set means only the base mipmap level.
     header.num_levels = 1;
+
+  } else if (header.num_levels == 0) {
+    // Some files seem to have this set to 0 for some reason--existing
+    // readers assume 0 means 1.
+    header.num_levels = 1;
   }
 
   TextureType texture_type;