From caef258e1a44d4848f08b23ecb7df07d9faad9df Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 27 Apr 2026 16:39:15 +0200
Subject: [PATCH] Fix missing `ChannelMask` parameter type clone for Material
 Instance

#4070
---
 Source/Engine/Graphics/Materials/MaterialParams.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Source/Engine/Graphics/Materials/MaterialParams.cpp b/Source/Engine/Graphics/Materials/MaterialParams.cpp
index 05bb29c4a..082ac497b 100644
--- a/Source/Engine/Graphics/Materials/MaterialParams.cpp
+++ b/Source/Engine/Graphics/Materials/MaterialParams.cpp
@@ -507,6 +507,7 @@ void MaterialParameter::clone(const MaterialParameter* param)
         break;
     case MaterialParameterType::Integer:
     case MaterialParameterType::SceneTexture:
+    case MaterialParameterType::ChannelMask:
     case MaterialParameterType::TextureGroupSampler:
         _asInteger = param->_asInteger;
         break;
@@ -647,10 +648,7 @@ bool MaterialParams::Load(ReadStream* stream)
     PROFILE_MEM(GraphicsMaterials);
     bool result = false;
 
-    // Release
-    Resize(0);
-
-    // Check for not empty params
+    Clear();
     if (stream != nullptr && stream->CanRead())
     {
         // Version