Cycles: add voronoi features and distance settings from Blender.

Features to get the 2nd, 3rd, 4th closest point instead of the closest, and
various distance metrics. No viewport/Eevee support yet.

Patch by Michel Anders, Charlie Jolly and Brecht Van Lommel.

Differential Revision: https://developer.blender.org/D3503

1 files changed, 3 insertions, 1 deletions

diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h
index f24445ea2e9..ebe6db6e362 100644
--- a/intern/cycles/render/nodes.h
+++ b/intern/cycles/render/nodes.h
@@ -189,7 +189,9 @@ public:
 	virtual int get_group() { return NODE_GROUP_LEVEL_2; }
 
 	NodeVoronoiColoring coloring;
-	float scale;
+	NodeVoronoiDistanceMetric metric;
+	NodeVoronoiFeature feature;
+	float scale, exponent;
 	float3 vector;
 };