[Bf-blender-cvs] [a404146] depsgraph_refactor: Depsgraph: Add early out from the scene update function

[Sergey Sharybin]

Commit: a404146578b73f5448f05ac02c62ecda07e6410b
Author: Sergey Sharybin
Date:   Wed Feb 11 14:40:23 2015 +0500
Branches: depsgraph_refactor
https://developer.blender.org/rBa404146578b73f5448f05ac02c62ecda07e6410b

Depsgraph: Add early out from the scene update function

===================================================================

M	source/blender/depsgraph/intern/depsgraph_eval.cpp

===================================================================

diff --git a/source/blender/depsgraph/intern/depsgraph_eval.cpp b/source/blender/depsgraph/intern/depsgraph_eval.cpp
index baa3a43..4f26bec 100644
--- a/source/blender/depsgraph/intern/depsgraph_eval.cpp
+++ b/source/blender/depsgraph/intern/depsgraph_eval.cpp
@@ -289,6 +289,11 @@ void DEG_evaluate_on_refresh_ex(EvaluationContext *eval_ctx,
 	/* Generate base evaluation context, upon which all the others are derived. */
 	// TODO: this needs both main and scene access...
 
+	/* Nothing to update, early out. */
+	if (graph->entry_tags.size() == 0) {
+		return;
+	}
+
 	/* XXX could use a separate pool for each eval context */
 	DepsgraphEvalState state;
 	state.eval_ctx = eval_ctx;