Draw manager: Listen to depsgraph's ID update callbacks

This replaces dedicated flag which wasn't clean who sets it and who clears it,
and which was also trying to re-implement existing functionality in a way.

Flushing is not currently very efficient but there are ways to speed this up
a lot, but needs more investigation.

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/draw/DRW_engine.h b/source/blender/draw/DRW_engine.h
index f3e1bf5ceac..ba0f8681f10 100644
--- a/source/blender/draw/DRW_engine.h
+++ b/source/blender/draw/DRW_engine.h
@@ -34,6 +34,7 @@ struct Main;
 struct Material;
 struct Scene;
 struct DrawEngineType;
+struct ID;
 struct IDProperty;
 struct bContext;
 struct Object;
@@ -78,6 +79,7 @@ typedef struct DRWUpdateContext {
 	struct RenderEngineType *engine_type;
 } DRWUpdateContext;
 void DRW_notify_view_update(const DRWUpdateContext *update_ctx);
+void DRW_notify_id_update(const DRWUpdateContext *update_ctx, struct ID *id);
 
 void DRW_draw_view(const struct bContext *C);