Depsgraph: Remove root node concept

Was rather weird and only used for time source. It is simpler to make depsgraph
to keep track of time source directly.

No need to introduce extra entitites without actual need.

1 files changed, 9 insertions, 13 deletions

diff --git a/source/blender/depsgraph/intern/debug/deg_debug_graphviz.cc b/source/blender/depsgraph/intern/debug/deg_debug_graphviz.cc
index 07712e060ca..51d4ed91419 100644
--- a/source/blender/depsgraph/intern/debug/deg_debug_graphviz.cc
+++ b/source/blender/depsgraph/intern/debug/deg_debug_graphviz.cc
@@ -77,19 +77,18 @@ static const char *deg_debug_colors_light[] = {
 
 #ifdef COLOR_SCHEME_NODE_TYPE
 static const int deg_debug_node_type_color_map[][2] = {
-    {DEG_NODE_TYPE_ROOT,         0},
-    {DEG_NODE_TYPE_TIMESOURCE,   1},
+    {DEG_NODE_TYPE_TIMESOURCE,   0},
     {DEG_NODE_TYPE_ID_REF,       2},
 
     /* Outer Types */
-    {DEG_NODE_TYPE_PARAMETERS,   3},
-    {DEG_NODE_TYPE_PROXY,        4},
-    {DEG_NODE_TYPE_ANIMATION,    5},
-    {DEG_NODE_TYPE_TRANSFORM,    6},
-    {DEG_NODE_TYPE_GEOMETRY,     7},
-    {DEG_NODE_TYPE_SEQUENCER,    8},
-    {DEG_NODE_TYPE_SHADING,      9},
-    {DEG_NODE_TYPE_CACHE,        10},
+    {DEG_NODE_TYPE_PARAMETERS,   2},
+    {DEG_NODE_TYPE_PROXY,        3},
+    {DEG_NODE_TYPE_ANIMATION,    4},
+    {DEG_NODE_TYPE_TRANSFORM,    5},
+    {DEG_NODE_TYPE_GEOMETRY,     6},
+    {DEG_NODE_TYPE_SEQUENCER,    7},
+    {DEG_NODE_TYPE_SHADING,      8},
+    {DEG_NODE_TYPE_CACHE,        9},
     {-1,                         0}
 };
 #endif
@@ -498,9 +497,6 @@ static void deg_debug_graphviz_node_relations(const DebugContext &ctx,
 static void deg_debug_graphviz_graph_nodes(const DebugContext &ctx,
                                            const Depsgraph *graph)
 {
-	if (graph->root_node) {
-		deg_debug_graphviz_node(ctx, graph->root_node);
-	}
 	GHASH_FOREACH_BEGIN (DepsNode *, node, graph->id_hash)
 	{
 		deg_debug_graphviz_node(ctx, node);