Geometry Nodes: Add Voronoi Texture

Port shader Voronoi to GN

Reviewed By: JacquesLucke

Differential Revision: https://developer.blender.org/D12725

1 files changed, 52 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_float4.hh b/source/blender/blenlib/BLI_float4.hh
index b1feee3121b..5b487f6d029 100644
--- a/source/blender/blenlib/BLI_float4.hh
+++ b/source/blender/blenlib/BLI_float4.hh
@@ -44,6 +44,11 @@ struct float4 {
     return &x;
   }
 
+  friend float4 operator+(const float4 &a, const float &b)
+  {
+    return {a.x + b, a.y + b, a.z + b, a.w + b};
+  }
+
   operator const float *() const
   {
     return &x;
@@ -58,11 +63,27 @@ struct float4 {
     return *this;
   }
 
+  friend float4 operator-(const float4 &a, const float4 &b)
+  {
+    return {a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w};
+  }
+
+  friend float4 operator-(const float4 &a, const float &b)
+  {
+    return {a.x - b, a.y - b, a.z - b, a.w - b};
+  }
+
   friend float4 operator+(const float4 &a, const float4 &b)
   {
     return {a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w};
   }
 
+  friend float4 operator/(const float4 &a, float f)
+  {
+    BLI_assert(f != 0.0f);
+    return a * (1.0f / f);
+  }
+
   float4 &operator*=(float factor)
   {
     x *= factor;
@@ -81,6 +102,37 @@ struct float4 {
   {
     return b * a;
   }
+
+  float length() const
+  {
+    return len_v4(*this);
+  }
+
+  static float distance(const float4 &a, const float4 &b)
+  {
+    return (a - b).length();
+  }
+
+  static float4 safe_divide(const float4 &a, const float b)
+  {
+    return (b != 0.0f) ? a / b : float4(0.0f);
+  }
+
+  static float4 interpolate(const float4 &a, const float4 &b, float t)
+  {
+    return a * (1 - t) + b * t;
+  }
+
+  static float4 floor(const float4 &a)
+  {
+    return float4(floorf(a.x), floorf(a.y), floorf(a.z), floorf(a.w));
+  }
+
+  static float4 normalize(const float4 &a)
+  {
+    const float t = len_v4(a);
+    return (t != 0.0f) ? a / t : float4(0.0f);
+  }
 };
 
 }  // namespace blender