From 56fe410c3fd15e01416151781dc7f32bcbd3d1b2 Mon Sep 17 00:00:00 2001
From: jk20012001 <jkregister@163.com>
Date: Sat, 28 May 2022 02:07:07 +0800
Subject: [PATCH] fix specular params with surface toon

---
 editor/assets/effects/surfaces/toon.effect | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/editor/assets/effects/surfaces/toon.effect b/editor/assets/effects/surfaces/toon.effect
index 04a91f82696..2fb4736177f 100644
--- a/editor/assets/effects/surfaces/toon.effect
+++ b/editor/assets/effects/surfaces/toon.effect
@@ -228,7 +228,11 @@ CCProgram surface-fragment %{
   #define CC_SURFACES_FRAGMENT_MODIFY_TOON_SPECULAR
   vec4 SurfacesFragmentModifyToonSpecular()
   {
-      return vec4(1.0, 1.0, 1.0, 0.3);
+    vec4 specularParam = specular;
+    #if USE_SPECULAR_MAP
+      specularParam.rgb *= SRGBToLinear(texture(specularMap, FSInput_texcoord).rgb);
+    #endif
+    return specularParam;
   }
 }%