1 files changed, 47 insertions, 0 deletions
diff --git a/intern/cycles/kernel/shaders/node_voxel_texture.osl b/intern/cycles/kernel/shaders/node_voxel_texture.osl
new file mode 100644
index 00000000000..e45af62220f
--- /dev/null
+++ b/intern/cycles/kernel/shaders/node_voxel_texture.osl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2011-2015 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_voxel_texture(
+	string filename = "",
+	string interpolation = "linear",
+	int use_mapping = 0,
+	matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
+	point Vector = P,
+	output float Density = 0,
+	output color Color = 0)
+{
+	point p = Vector;
+	if (use_mapping) {
+		p = transform(mapping, p);
+	}
+	else {
+		p = transform("object", Vector);
+		matrix tfm;
+		if (getattribute("geom:generated_transform", tfm))
+			p = transform(tfm, p);
+	}
+	if(p[0] < 0.0 || p[1] < 0.0 || p[2] < 0.0 ||
+	   p[0] > 1.0 || p[1] > 1.0 || p[2] > 1.0)
+	{
+		Density = 0;
+		Color = color(0, 0, 0);
+	}
+	else {
+		Color = (color)texture3d(filename, p, "wrap", "periodic", "interp", interpolation, "alpha", Density);
+	}
+}