1 files changed, 43 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/shaders/node_ambient_occlusion.osl b/intern/cycles/kernel/osl/shaders/node_ambient_occlusion.osl
new file mode 100644
index 00000000000..22d245d0698
--- /dev/null
+++ b/intern/cycles/kernel/osl/shaders/node_ambient_occlusion.osl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2011-2018 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 "stdcycles.h"
+
+shader node_ambient_occlusion(color ColorIn = color(1.0, 1.0, 1.0),
+                              int samples = 16,
+                              float Distance = 1.0,
+                              normal Normal = N,
+                              int inside = 0,
+                              int only_local = 0,
+                              output color ColorOut = color(1.0, 1.0, 1.0),
+                              output float AO = 1.0)
+{
+  int global_radius = (Distance == 0.0 && !isconnected(Distance));
+
+  /* Abuse texture call with special @ao token. */
+  AO = texture("@ao",
+               samples,
+               Distance,
+               Normal[0],
+               Normal[1],
+               Normal[2],
+               inside,
+               "sblur",
+               only_local,
+               "tblur",
+               global_radius);
+  ColorOut = ColorIn * AO;
+}