1 files changed, 26 insertions, 0 deletions
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 8d42d746e1c..c3477644979 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -2995,6 +2995,15 @@ static void rna_ShaderNodeScript_update(Main *bmain, Scene *scene, PointerRNA *p
 	ED_node_tag_update_nodetree(bmain, ntree, node);
 }
 
+static void rna_ShaderNodePrincipled_update(Main *bmain, Scene *scene, PointerRNA *ptr)
+{
+	bNodeTree *ntree = (bNodeTree *)ptr->id.data;
+	bNode *node = (bNode *)ptr->data;
+
+	nodeUpdate(ntree, node);
+	rna_Node_update(bmain, scene, ptr);
+}
+
 static void rna_ShaderNodeSubsurface_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
 	bNodeTree *ntree = (bNodeTree *)ptr->id.data;
@@ -3254,6 +3263,12 @@ static EnumPropertyItem node_script_mode_items[] = {
 	{0, NULL, 0, NULL, NULL}
 };
 
+static EnumPropertyItem node_principled_distribution_items[] = {
+	{ SHD_GLOSSY_GGX, "GGX", 0, "GGX", "" },
+	{ SHD_GLOSSY_MULTI_GGX, "MULTI_GGX", 0, "Multiscatter GGX", "" },
+	{ 0, NULL, 0, NULL, NULL }
+};
+
 /* -- Common nodes ---------------------------------------------------------- */
 
 static void def_group_input(StructRNA *srna)
@@ -4188,6 +4203,17 @@ static void def_glass(StructRNA *srna)
 	RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
 }
 
+static void def_principled(StructRNA *srna)
+{
+	PropertyRNA *prop;
+
+	prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_sdna(prop, NULL, "custom1");
+	RNA_def_property_enum_items(prop, node_principled_distribution_items);
+	RNA_def_property_ui_text(prop, "Distribution", "");
+	RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNodePrincipled_update");
+}
+
 static void def_refraction(StructRNA *srna)
 {
 	PropertyRNA *prop;