diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/TextureSamplerUtil.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/TextureSamplerUtil.cs
index d150122cf..f69963c49 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/TextureSamplerUtil.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/TextureIO/TextureSamplerUtil.cs
@@ -26,7 +26,7 @@ namespace UniGLTF
 
         public static glFilter ExportMinFilter(Texture2D texture)
         {
-            if (texture.mipmapCount > 0)
+            if (texture.mipmapCount > 1)
             {
                 switch (texture.filterMode)
                 {
diff --git a/Assets/VRMShaders/GLTF/IO/Editor/TextureImporterConfigurator.cs b/Assets/VRMShaders/GLTF/IO/Editor/TextureImporterConfigurator.cs
index 113c7ddac..8b19c2807 100644
--- a/Assets/VRMShaders/GLTF/IO/Editor/TextureImporterConfigurator.cs
+++ b/Assets/VRMShaders/GLTF/IO/Editor/TextureImporterConfigurator.cs
@@ -38,6 +38,14 @@ namespace VRMShaders
             textureImporter.SaveAndReimport();
         }
 
+        public static void ConfigureSampler(TextureImportParam param, TextureImporter textureImporter)
+        {
+            textureImporter.mipmapEnabled = param.Sampler.EnableMipMap;
+            textureImporter.filterMode = param.Sampler.FilterMode;
+            textureImporter.wrapModeU = param.Sampler.WrapModesU;
+            textureImporter.wrapModeV = param.Sampler.WrapModesV;
+        }
+
         class ImporterGetter : IDisposable
         {
             public TextureImporter Importer;
@@ -110,6 +118,8 @@ namespace VRMShaders
                 default:
                     throw new NotImplementedException();
             }
+
+            ConfigureSampler(textureInfo, importer);
         }
 
         public static void Configure(TextureImportParam textureInfo, IDictionary<string, Texture2D> ExternalMap)
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs b/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs
new file mode 100644
index 000000000..723f7d435
--- /dev/null
+++ b/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs
@@ -0,0 +1,23 @@
+using UnityEngine;
+
+namespace VRMShaders
+{
+    public static class TextureExtensions
+    {
+        public static bool HasMipMap(this Texture texture)
+        {
+            if (texture is Texture2D t2)
+            {
+                return t2.mipmapCount > 1;
+            }
+            else if (texture is RenderTexture rt)
+            {
+                return rt.useMipMap;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+}
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs.meta b/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs.meta
new file mode 100644
index 000000000..1c4adbecc
--- /dev/null
+++ b/Assets/VRMShaders/GLTF/IO/Runtime/TextureExtensions.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 48a12f7410d9670439e5aef512fe0a6c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: