1 files changed, 33 insertions, 0 deletions

diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h
index f664ebf545d..33df2866341 100644
--- a/intern/cycles/render/nodes.h
+++ b/intern/cycles/render/nodes.h
@@ -82,6 +82,7 @@ public:
 	~ImageTextureNode();
 	ShaderNode *clone() const;
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 
 	ImageManager *image_manager;
 	int is_float;
@@ -112,6 +113,7 @@ public:
 	~EnvironmentTextureNode();
 	ShaderNode *clone() const;
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_2; }
 
 	ImageManager *image_manager;
@@ -257,6 +259,7 @@ public:
 	~PointDensityTextureNode();
 	ShaderNode *clone() const;
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 
 	bool has_spatial_varying() { return true; }
 	bool has_object_dependency() { return true; }
@@ -361,6 +364,7 @@ public:
 
 	ClosureType get_closure_type() { return distribution; }
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 };
 
 class DiffuseBsdfNode : public BsdfNode {
@@ -394,6 +398,7 @@ public:
 
 	bool has_integrator_dependency();
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 };
 
 class TranslucentBsdfNode : public BsdfNode {
@@ -556,6 +561,25 @@ public:
 	float anisotropy;
 };
 
+class PrincipledVolumeNode : public VolumeNode {
+public:
+	SHADER_NODE_CLASS(PrincipledVolumeNode)
+	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
+
+	ustring density_attribute;
+	ustring color_attribute;
+	ustring temperature_attribute;
+
+	float anisotropy;
+	float3 absorption_color;
+	float emission_strength;
+	float3 emission_color;
+	float blackbody_intensity;
+	float3 blackbody_tint;
+	float temperature;
+};
+
 class HairBsdfNode : public BsdfNode {
 public:
 	SHADER_NODE_CLASS(HairBsdfNode)
@@ -572,6 +596,7 @@ class GeometryNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(GeometryNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 
 	float3 normal_osl;
@@ -581,6 +606,7 @@ class TextureCoordinateNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(TextureCoordinateNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 	bool has_object_dependency() { return use_transform; }
 
@@ -594,6 +620,7 @@ class UVMapNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(UVMapNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_1; }
 
@@ -627,6 +654,7 @@ class ParticleInfoNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(ParticleInfoNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_1; }
 };
 
@@ -635,6 +663,7 @@ public:
 	SHADER_NODE_CLASS(HairInfoNode)
 
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_1; }
 	virtual int get_feature() {
@@ -796,6 +825,7 @@ class AttributeNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(AttributeNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 
 	ustring attribute;
@@ -993,6 +1023,7 @@ class NormalMapNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(NormalMapNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_3; }
 
@@ -1007,6 +1038,7 @@ class TangentNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(TangentNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	bool has_spatial_varying() { return true; }
 	virtual int get_group() { return NODE_GROUP_LEVEL_3; }
 
@@ -1046,6 +1078,7 @@ class VectorDisplacementNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(VectorDisplacementNode)
 	void attributes(Shader *shader, AttributeRequestSet *attributes);
+	bool has_attribute_dependency() { return true; }
 	virtual int get_feature() {
 		return NODE_FEATURE_BUMP;
 	}