[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [26433] trunk/blender/source/blender/ render/intern/source/texture.c: Fix #20662: normal map rendering with negative factor didn't flip

[Brecht Van Lommel]

Revision: 26433
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=26433
Author:   blendix
Date:     2010-01-30 15:41:51 +0100 (Sat, 30 Jan 2010)

Log Message:
-----------
Fix #20662: normal map rendering with negative factor didn't flip
the direction correctly.

Modified Paths:
--------------
    trunk/blender/source/blender/render/intern/source/texture.c

Modified: trunk/blender/source/blender/render/intern/source/texture.c
===================================================================
--- trunk/blender/source/blender/render/intern/source/texture.c 2010-01-30 
14:34:37 UTC (rev 26432)
+++ trunk/blender/source/blender/render/intern/source/texture.c 2010-01-30 
14:41:51 UTC (rev 26433)
@@ -2108,7 +2108,7 @@
                                                        texres.nor[0] = 
-texres.nor[0];
                                                        texres.nor[1] = 
-texres.nor[1];
                                                }
-                                               fact = Tnor*tex->norfac;
+                                               fact = Tnor*fabs(tex->norfac);
                                                if (fact>1.f) fact = 1.f;
                                                facm = 1.f-fact;
                                                if(mtex->normapspace == 
MTEX_NSPACE_TANGENT) {


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