From c4aed2f2f1ba8f126d445f0c0b9367e032d24b54 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Sun, 22 Jun 2025 21:58:47 -0700
Subject: add oklch correction & decal mult mode

---
 yum_pbr.cginc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'yum_pbr.cginc')

diff --git a/yum_pbr.cginc b/yum_pbr.cginc
index c3f5c4a..03026c3 100644
--- a/yum_pbr.cginc
+++ b/yum_pbr.cginc
@@ -8,6 +8,7 @@
 #include "glitter.cginc"
 #include "globals.cginc"
 #include "math.cginc"
+#include "oklab.cginc"
 #include "texture_utils.cginc"
 
 struct YumPbr {
@@ -134,6 +135,14 @@ YumPbr GetYumPbr(v2f i, float3x3 tangentToWorld) {
   applyDecals(i, result.albedo, normal_tangent, result.metallic, result.smoothness);
   propagateRoughness(result.smoothness, result.roughness_perceptual, result.roughness);
 
+#if defined(_OKLCH_CORRECTION)
+  float3 lch = LRGBtoOKLCH(result.albedo.rgb);
+  lch.x = lch.x * _Oklch_Correction_L;
+  lch.y = lch.y * _Oklch_Correction_C;
+  lch.z = lch.z * _Oklch_Correction_H;
+  result.albedo.rgb = OKLCHtoLRGB(lch);
+#endif
+
   result.normal = normalize(mul(normal_tangent, tangentToWorld));
 
 #if (defined(FORWARD_BASE_PASS) || defined(FORWARD_ADD_PASS)) && defined(_GLITTER)
-- 
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