From 34a42788e702a4425afdff6fdbba7bdf549826be Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@gmail.com>
Date: Sun, 19 Jun 2016 16:50:25 +0200
Subject: Code refactor: small code simplification for Cycles constant folding.

---
 intern/cycles/render/graph.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'intern/cycles/render/graph.cpp')

diff --git a/intern/cycles/render/graph.cpp b/intern/cycles/render/graph.cpp
index 9210221a261..a1b992a2c31 100644
--- a/intern/cycles/render/graph.cpp
+++ b/intern/cycles/render/graph.cpp
@@ -126,6 +126,17 @@ ShaderOutput *ShaderNode::output(ustring name)
 	return NULL;
 }
 
+bool ShaderNode::all_inputs_constant() const
+{
+	foreach(ShaderInput *input, inputs) {
+		if(input->link) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
 void ShaderNode::attributes(Shader *shader, AttributeRequestSet *attributes)
 {
 	foreach(ShaderInput *input, inputs) {
-- 
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