From db2806a12aa6717ff8a4ef079d254b9accdb3f6c Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Sat, 10 Jan 2026 12:54:35 +0800
Subject: [PATCH] [Feat] (MG_Util/BackendLoaders): check for
 `GL_EXT_texture_norm16`

---
 MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp | 3 +++
 MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp b/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
index 55c0eba0..dfb218ee 100644
--- a/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
+++ b/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
@@ -513,6 +513,9 @@ namespace MobileGL {
                         if (std::strcmp(extension, "GL_EXT_buffer_storage") == 0) {
                             MG_External::GLES::g_glesCaps.hasPersistentMapping = true;
                         }
+                        if (std::strcmp(extension, "GL_EXT_texture_norm16") == 0) {
+                            MG_External::GLES::g_glesCaps.hasNorm16Texture = true;
+                        }
                     }
                 }
             }
diff --git a/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h b/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h
index 8e7e4d87..c1405f93 100644
--- a/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h
+++ b/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.h
@@ -557,6 +557,7 @@ namespace MobileGL {
                 struct GLESCaps {
                     Version version;
                     Bool hasPersistentMapping;
+                    Bool hasNorm16Texture;
                 };
             } // namespace Caps