[Bf-blender-cvs] [f363d080caa] upstream_cycles_texture_cache: Cycles: fix for mip map paths

[Stefan Werner]

Commit: f363d080caaf5e8545b4e0a9c47607addcf7ee9a
Author: Stefan Werner
Date:   Tue Aug 1 11:26:34 2017 +0200
Branches: upstream_cycles_texture_cache
https://developer.blender.org/rBf363d080caaf5e8545b4e0a9c47607addcf7ee9a

Cycles: fix for mip map paths

===================================================================

M	intern/cycles/render/image.cpp

===================================================================

diff --git a/intern/cycles/render/image.cpp b/intern/cycles/render/image.cpp
index 234c7c4e3c1..081db216e70 100644
--- a/intern/cycles/render/image.cpp
+++ b/intern/cycles/render/image.cpp
@@ -241,10 +241,11 @@ const string ImageManager::get_mip_map_path(const string& filename)
 		}
 	}
 	
-	string tx_name = filename + ".tx";
+	string tx_name = filename.substr(0, idx) + ".tx";
 	if(path_exists(tx_name)) {
 		return tx_name;
 	}
+
 	return "";
 }