Fix T48783: OSL render errors after recent refactoring.

1 files changed, 25 insertions, 0 deletions

diff --git a/intern/cycles/kernel/shaders/node_rgb_to_bw.osl b/intern/cycles/kernel/shaders/node_rgb_to_bw.osl
new file mode 100644
index 00000000000..903dfcdc881
--- /dev/null
+++ b/intern/cycles/kernel/shaders/node_rgb_to_bw.osl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "stdosl.h"
+
+shader node_rgb_to_bw(
+	color Color = 0.0,
+	output float Val = 0.0)
+{
+	Val = Color[0] * 0.2126 + Color[1] * 0.7152 + Color[2] * 0.0722;
+}
+