[Bf-blender-cvs] [3731729b96f] master: Depsgraph: fix hard CTD on dependency cycles through POSE_INIT.
Alexander Gavrilov
noreply at git.blender.org
Sun Apr 14 20:56:37 CEST 2019
Commit: 3731729b96fa2145b7d462dec20277088a75a0c4
Author: Alexander Gavrilov
Date: Sun Apr 14 21:53:03 2019 +0300
Branches: master
https://developer.blender.org/rB3731729b96fa2145b7d462dec20277088a75a0c4
Depsgraph: fix hard CTD on dependency cycles through POSE_INIT.
As reported in T63582, it can cause chan_array to be not ready.
To reliably avoid crashing, the only easy way seems to be to
create the index during COW -- maybe @sergey has a better idea.
===================================================================
M source/blender/blenkernel/BKE_armature.h
M source/blender/blenkernel/intern/action.c
M source/blender/blenkernel/intern/armature_update.c
M source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
===================================================================
diff --git a/source/blender/blenkernel/BKE_armature.h b/source/blender/blenkernel/BKE_armature.h
index 7182561a038..d9a1064d740 100644
--- a/source/blender/blenkernel/BKE_armature.h
+++ b/source/blender/blenkernel/BKE_armature.h
@@ -245,6 +245,8 @@ void BKE_splineik_execute_tree(
struct Depsgraph *depsgraph, struct Scene *scene,
struct Object *ob, struct bPoseChannel *pchan_root, float ctime);
+void BKE_pose_pchan_index_rebuild(struct bPose *pose);
+
void BKE_pose_eval_init(
struct Depsgraph *depsgraph,
struct Scene *scene,
diff --git a/source/blender/blenkernel/intern/action.c b/source/blender/blenkernel/intern/action.c
index 9ba3a23df05..da4fea26e64 100644
--- a/source/blender/blenkernel/intern/action.c
+++ b/source/blender/blenkernel/intern/action.c
@@ -825,6 +825,8 @@ void BKE_pose_channels_free_ex(bPose *pose, bool do_id_user)
}
BKE_pose_channels_hash_free(pose);
+
+ MEM_SAFE_FREE(pose->chan_array);
}
void BKE_pose_channels_free(bPose *pose)
diff --git a/source/blender/blenkernel/intern/armature_update.c b/source/blender/blenkernel/intern/armature_update.c
index 790f5cb2b31..892b2211bf9 100644
--- a/source/blender/blenkernel/intern/armature_update.c
+++ b/source/blender/blenkernel/intern/armature_update.c
@@ -556,8 +556,9 @@ void BKE_splineik_execute_tree(
/* *************** Depsgraph evaluation callbacks ************ */
-static void pose_pchan_index_create(bPose *pose)
+void BKE_pose_pchan_index_rebuild(bPose *pose)
{
+ MEM_SAFE_FREE(pose->chan_array);
const int num_channels = BLI_listbase_count(&pose->chanbase);
pose->chan_array = MEM_malloc_arrayN(
num_channels, sizeof(bPoseChannel *), "pose->chan_array");
@@ -605,7 +606,8 @@ void BKE_pose_eval_init(struct Depsgraph *depsgraph,
}
}
- pose_pchan_index_create(pose);
+ BLI_assert(pose->chan_array != NULL || BLI_listbase_is_empty(&pose->chanbase));
+
BKE_armature_cached_bbone_deformation_free_data(object);
}
@@ -806,7 +808,6 @@ static void pose_eval_cleanup_common(Object *object)
bPose *pose = object->pose;
BLI_assert(pose != NULL);
BLI_assert(pose->chan_array != NULL || BLI_listbase_is_empty(&pose->chanbase));
- MEM_SAFE_FREE(pose->chan_array);
}
void BKE_pose_eval_done(struct Depsgraph *depsgraph, Object *object)
@@ -839,7 +840,8 @@ void BKE_pose_eval_proxy_init(struct Depsgraph *depsgraph, Object *object)
BLI_assert(ID_IS_LINKED(object) && object->proxy_from != NULL);
DEG_debug_print_eval(depsgraph, __func__, object->id.name, object);
- pose_pchan_index_create(object->pose);
+ BLI_assert(pose->chan_array != NULL || BLI_listbase_is_empty(&pose->chanbase));
+
BKE_armature_cached_bbone_deformation_free_data(object);
}
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
index 0d60defa9b6..387253ab3fe 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
@@ -697,6 +697,7 @@ void update_id_after_copy(const Depsgraph *depsgraph,
update_pose_orig_pointers(object_orig->pose,
object_cow->pose);
}
+ BKE_pose_pchan_index_rebuild(object_cow->pose);
}
update_particles_after_copy(object_orig, object_cow);
update_modifiers_orig_pointers(object_orig, object_cow);
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