added yarn spinner package

2026-08-14 13:27:17 +02:00
parent c140236bf7
commit c483bda3ea
573 changed files with 81459 additions and 0 deletions
@@ -0,0 +1,15 @@
+/* 4x4 Bayer ordered dithering in UV space */
+
+void Dither_float(float In, float2 UV, out float Out)
+{
+    
+    float DITHER_THRESHOLDS[16] =
+    {
+        1.0 / 17.0,  9.0 / 17.0,  3.0 / 17.0, 11.0 / 17.0,
+        13.0 / 17.0,  5.0 / 17.0, 15.0 / 17.0,  7.0 / 17.0,
+        4.0 / 17.0, 12.0 / 17.0,  2.0 / 17.0, 10.0 / 17.0,
+        16.0 / 17.0,  8.0 / 17.0, 14.0 / 17.0,  6.0 / 17.0
+    };
+    uint index = (uint(UV.x) % 4) * 4 + uint(UV.y) % 4;
+    Out = In - DITHER_THRESHOLDS[index];
+}