Blender 2.76 A update. OpenSubdiv objects are invisible in Blender In…

…ternal "Rendered" viewport mode

Issue: http://www.bforartists.de/content/add-fixes-blender-276-and-b-bforartists
Blender Task: http://developer.blender.org/T46487

source/blender/modifiers/intern/MOD_subsurf.c

@@ -1,3 +1,4 @@
+
 /*
  * ***** BEGIN GPL LICENSE BLOCK *****
  *
@@ -108,11 +109,10 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
 
 #ifdef WITH_OPENSUBDIV
 	const bool allow_gpu = (flag & MOD_APPLY_ALLOW_GPU) != 0;
-	const bool do_cddm_convert = useRenderParams || (!isFinalCalc && !smd->use_opensubdiv);
-#else
-	const bool do_cddm_convert = useRenderParams || !isFinalCalc;
+
 #endif
 
+	bool do_cddm_convert = useRenderParams || !isFinalCalc;
 	if (useRenderParams)
 		subsurf_flags |= SUBSURF_USE_RENDER_PARAMS;
 	if (isFinalCalc)
@@ -134,6 +134,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
 		}
 		else if ((DAG_get_eval_flags_for_object(md->scene, ob) & DAG_EVAL_NEED_CPU) == 0) {
 			subsurf_flags |= SUBSURF_USE_GPU_BACKEND;
+			do_cddm_convert = false;
 		}
 		else {
 			modifier_setError(md, "OpenSubdiv is disabled due to dependencies");