Shading: Add Volume Info node.

The Volume Info node provides the Color, Desnity, Flame, and Temperature
of smoke domains.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D5551

1 files changed, 15 insertions, 0 deletions

diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h
index 9c4e643e727..fbed2ff0ef6 100644
--- a/intern/cycles/render/nodes.h
+++ b/intern/cycles/render/nodes.h
@@ -961,6 +961,21 @@ class HairInfoNode : public ShaderNode {
   }
 };
 
+class VolumeInfoNode : public ShaderNode {
+ public:
+  SHADER_NODE_CLASS(VolumeInfoNode)
+  void attributes(Shader *shader, AttributeRequestSet *attributes);
+  bool has_attribute_dependency()
+  {
+    return true;
+  }
+  bool has_spatial_varying()
+  {
+    return true;
+  }
+  void expand(ShaderGraph *graph);
+};
+
 class ValueNode : public ShaderNode {
  public:
   SHADER_NODE_CLASS(ValueNode)