[Bf-blender-cvs] [6ef909bdf97] temp-gpencil-eval: Do not create eval data if users is 1

[Antonio Vazquez]

Commit: 6ef909bdf971a5eb108879b14d8b98622ae92c3c
Author: Antonio Vazquez
Date:   Thu Jan 16 08:35:15 2020 +0100
Branches: temp-gpencil-eval
https://developer.blender.org/rB6ef909bdf971a5eb108879b14d8b98622ae92c3c

Do not create eval data if users is 1

If only one user, the default eval data is used and don't need a new copy

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

M	source/blender/blenkernel/intern/gpencil_modifier.c

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

diff --git a/source/blender/blenkernel/intern/gpencil_modifier.c b/source/blender/blenkernel/intern/gpencil_modifier.c
index 5c26eebdfd5..7dee5b3bfc6 100644
--- a/source/blender/blenkernel/intern/gpencil_modifier.c
+++ b/source/blender/blenkernel/intern/gpencil_modifier.c
@@ -828,15 +828,15 @@ static void gpencil_assign_object_eval(Object *object)
 void BKE_gpencil_prepare_eval_data(Depsgraph *depsgraph, Scene *scene, Object *ob)
 {
   bGPdata *gpd_eval = (bGPdata *)ob->data;
+  Object *ob_orig = (Object *)DEG_get_original_id(&ob->id);
+  bGPdata *gpd = (bGPdata *)ob_orig->data;
+
   const bool is_multiedit = (bool)GPENCIL_MULTIEDIT_SESSIONS_ON(gpd_eval);
   const bool do_modifiers = (bool)((!is_multiedit) && (ob->greasepencil_modifiers.first != NULL) &&
-                                   (!GPENCIL_SIMPLIFY_MODIF(scene)));
-
+                                   (!GPENCIL_SIMPLIFY_MODIF(scene)) && (gpd->id.us > 1));
   if (!do_modifiers) {
     return;
   }
-
-  Object *ob_orig = (Object *)DEG_get_original_id(&ob->id);
   DEG_debug_print_eval(depsgraph, __func__, gpd_eval->id.name, gpd_eval);
 
   /* If first time, do a full copy. */