diff options
Diffstat (limited to 'source/blender/depsgraph/intern/node/deg_node.h')
| -rw-r--r-- | source/blender/depsgraph/intern/node/deg_node.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/source/blender/depsgraph/intern/node/deg_node.h b/source/blender/depsgraph/intern/node/deg_node.h index e1469b68b0e..7e093ab8765 100644 --- a/source/blender/depsgraph/intern/node/deg_node.h +++ b/source/blender/depsgraph/intern/node/deg_node.h @@ -103,6 +103,22 @@ enum class NodeType { * not have very distinctive update procedure. */ GENERIC_DATABLOCK, + /* Component which is used to define visibility relation between IDs, on the ID level. + * + * Consider two ID nodes NodeA and NodeB, with the relation between visibility components going + * as NodeA -> NodeB. If NodeB is considered visible on screen, then the relation will ensure + * that NodeA is also visible. The way how relation is oriented could be seen as a inverted from + * visibility dependency point of view, but it follows the same direction as data dependency + * which simplifies common algorithms which are dealing with relations and visibility. + * + * The fact that the visibility operates on the ID level basically means that all components in + * NodeA will be considered as affecting directly visible when NodeB's visibility is + * affecting directly visible ID. + * + * This is the way to ensure objects needed for visualization without any actual data dependency + * are properly evaluated. Example of this is custom shapes for bones. */ + VISIBILITY, + /* **** Evaluation-Related Outer Types (with Subdata) **** */ /* Pose Component - Owner/Container of Bones Eval */ @@ -114,7 +130,6 @@ enum class NodeType { PARTICLE_SETTINGS, /* Material Shading Component */ SHADING, - SHADING_PARAMETERS, /* Point cache Component */ POINT_CACHE, /* Image Animation Component */ @@ -186,6 +201,7 @@ struct Node { Node(); virtual ~Node(); + /** Generic identifier for Depsgraph Nodes. */ virtual string identifier() const; virtual void init(const ID * /*id*/, const char * /*subdata*/) |