Depsgraph: pass depsgraph to editors update context struct

This way callbacks will know which depsgraph is being changed, and where
evaluated data is coming from.

5 files changed, 10 insertions, 2 deletions

diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c
index a462e5b215c..91e03337397 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -1435,7 +1435,7 @@ void BKE_scene_graph_update_tagged(EvaluationContext *eval_ctx,
 	/* Update sound system animation (TODO, move to depsgraph). */
 	BKE_sound_update_scene(bmain, scene);
 	/* Inform editors about possible changes. */
-	DEG_ids_check_recalc(bmain, scene, view_layer, false);
+	DEG_ids_check_recalc(bmain, depsgraph, scene, view_layer, false);
 	/* Clear recalc flags. */
 	DEG_ids_clear_recalc(bmain);
 }
@@ -1482,7 +1482,7 @@ void BKE_scene_graph_update_for_newframe(EvaluationContext *eval_ctx,
 	/* Notify editors and python about recalc. */
 	BLI_callback_exec(bmain, &scene->id, BLI_CB_EVT_FRAME_CHANGE_POST);
 	/* Inform editors about possible changes. */
-	DEG_ids_check_recalc(bmain, scene, view_layer, true);
+	DEG_ids_check_recalc(bmain, depsgraph, scene, view_layer, true);
 	/* clear recalc flags */
 	DEG_ids_clear_recalc(bmain);
 }
diff --git a/source/blender/depsgraph/DEG_depsgraph.h b/source/blender/depsgraph/DEG_depsgraph.h
index 4f45768cbea..4d3f36b5fba 100644
--- a/source/blender/depsgraph/DEG_depsgraph.h
+++ b/source/blender/depsgraph/DEG_depsgraph.h
@@ -194,6 +194,7 @@ void DEG_graph_flush_update(struct Main *bmain, Depsgraph *depsgraph);
  * editors about this.
  */
 void DEG_ids_check_recalc(struct Main *bmain,
+                          struct Depsgraph *depsgraph,
                           struct Scene *scene,
                           struct ViewLayer *view_layer,
                           bool time);
@@ -248,6 +249,7 @@ bool DEG_needs_eval(Depsgraph *graph);
 
 typedef struct DEGEditorUpdateContext {
 	struct Main *bmain;
+	struct Depsgraph *depsgraph;
 	struct Scene *scene;
 	struct ViewLayer *view_layer;
 } DEGEditorUpdateContext;
diff --git a/source/blender/depsgraph/intern/depsgraph_tag.cc b/source/blender/depsgraph/intern/depsgraph_tag.cc
index 2255e1ce1b9..b2e32b766e7 100644
--- a/source/blender/depsgraph/intern/depsgraph_tag.cc
+++ b/source/blender/depsgraph/intern/depsgraph_tag.cc
@@ -239,6 +239,7 @@ void depsgraph_update_editors_tag(Main *bmain, Depsgraph *graph, ID *id)
 	/* TODO(sergey): Make sure this works for CoW-ed datablocks as well. */
 	DEGEditorUpdateContext update_ctx = {NULL};
 	update_ctx.bmain = bmain;
+	update_ctx.depsgraph = (::Depsgraph *)graph;
 	update_ctx.scene = graph->scene;
 	update_ctx.view_layer = graph->view_layer;
 	deg_editors_id_update(&update_ctx, id);
@@ -454,6 +455,7 @@ void DEG_on_visible_update(Main *bmain, const bool UNUSED(do_time))
  * editors about this.
  */
 void DEG_ids_check_recalc(Main *bmain,
+                          Depsgraph *depsgraph,
                           Scene *scene,
                           ViewLayer *view_layer,
                           bool time)
@@ -476,6 +478,7 @@ void DEG_ids_check_recalc(Main *bmain,
 
 	DEGEditorUpdateContext update_ctx = {NULL};
 	update_ctx.bmain = bmain;
+	update_ctx.depsgraph = depsgraph;
 	update_ctx.scene = scene;
 	update_ctx.view_layer = view_layer;
 	DEG::deg_editors_scene_update(&update_ctx, (updated || time));
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_flush.cc b/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
index 74c3cd28455..04bfb200743 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_flush.cc
@@ -268,6 +268,7 @@ void deg_graph_flush_updates(Main *bmain, Depsgraph *graph)
 	/* Prepare update context for editors. */
 	DEGEditorUpdateContext update_ctx;
 	update_ctx.bmain = bmain;
+	update_ctx.depsgraph = (::Depsgraph *)graph;
 	update_ctx.scene = graph->scene;
 	update_ctx.view_layer = graph->view_layer;
 	/* Do actual flush. */
diff --git a/source/blender/editors/render/render_update.c b/source/blender/editors/render/render_update.c
index 42109662129..1de37f2eff7 100644
--- a/source/blender/editors/render/render_update.c
+++ b/source/blender/editors/render/render_update.c
@@ -202,6 +202,8 @@ void ED_render_engine_changed(Main *bmain)
 	for (Scene *scene = bmain->scene.first; scene; scene = scene->id.next) {
 		update_ctx.scene = scene;
 		LINKLIST_FOREACH(ViewLayer *, view_layer, &scene->view_layers) {
+			/* TDODO(sergey): Iterate over depsgraphs instead? */
+			update_ctx.depsgraph = BKE_scene_get_depsgraph(scene, view_layer, true);
 			update_ctx.view_layer = view_layer;
 			ED_render_id_flush_update(&update_ctx, &scene->id);
 		}