[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48480] trunk/blender/source/blender/ editors/object/object_bake.c: Fix related on #31984: Multires Displacement Bake creates ripples for each subidived face

[Sergey Sharybin]

Revision: 48480
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48480
Author:   nazgul
Date:     2012-07-02 07:40:25 +0000 (Mon, 02 Jul 2012)
Log Message:
-----------
Fix related on #31984: Multires Displacement Bake creates ripples for each 
subidived face

Skip applying subdivisions in cases when low resolution mesh is disabled
and baking happens from higher level to higher level/

Modified Paths:
--------------
    trunk/blender/source/blender/editors/object/object_bake.c

Modified: trunk/blender/source/blender/editors/object/object_bake.c
===================================================================
--- trunk/blender/source/blender/editors/object/object_bake.c   2012-07-02 
00:40:42 UTC (rev 48479)
+++ trunk/blender/source/blender/editors/object/object_bake.c   2012-07-02 
07:40:25 UTC (rev 48480)
@@ -616,13 +616,15 @@
 
                CLAMP(ss_lvl, 0, 6);
 
-               smd.levels = smd.renderLevels = ss_lvl;
-               smd.flags |= eSubsurfModifierFlag_SubsurfUv;
+               if (ss_lvl > 0) {
+                       smd.levels = smd.renderLevels = ss_lvl;
+                       smd.flags |= eSubsurfModifierFlag_SubsurfUv;
 
-               if (bkr->simple)
-                       smd.subdivType = ME_SIMPLE_SUBSURF;
+                       if (bkr->simple)
+                               smd.subdivType = ME_SIMPLE_SUBSURF;
 
-               height_data->ssdm = 
subsurf_make_derived_from_derived(bkr->lores_dm, &smd, NULL, 0);
+                       height_data->ssdm = 
subsurf_make_derived_from_derived(bkr->lores_dm, &smd, NULL, 0);
+               }
        }
 
        height_data->origindex = lodm->getTessFaceDataArray(lodm, CD_ORIGINDEX);

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