From f97d0e767288b7f285029a2ef4e4d1c673298400 Mon Sep 17 00:00:00 2001
From: T1ti <40864460+T1ti@users.noreply.github.com>
Date: Wed, 14 Aug 2024 04:29:09 +0200
Subject: [PATCH] 
 https://github.com/wowdev/noggit3/commit/8d0443f4dddf40d9402655fc77cfa7e9fcbd33da

---
 src/opengl/texture.cpp | 8 +++++++-
 src/opengl/texture.hpp | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/opengl/texture.cpp b/src/opengl/texture.cpp
index 3f4dadc0..5ce9f0af 100755
--- a/src/opengl/texture.cpp
+++ b/src/opengl/texture.cpp
@@ -43,9 +43,15 @@ namespace OpenGL
     gl.bindTexture (GL_TEXTURE_2D, _id);
   }
 
+  size_t texture::current_active_texture = -1;
+
   void texture::set_active_texture (size_t num)
   {
-    gl.activeTexture (static_cast<GLenum>(GL_TEXTURE0 + num));
+    if (num != current_active_texture)
+    {
+        gl.activeTexture(GL_TEXTURE0 + num);
+        current_active_texture = num;
+    }
   }
 
   void texture::unload()
diff --git a/src/opengl/texture.hpp b/src/opengl/texture.hpp
index 1bdf29fe..ecd6be4f 100755
--- a/src/opengl/texture.hpp
+++ b/src/opengl/texture.hpp
@@ -21,6 +21,7 @@ namespace OpenGL
     virtual void unload();
 
     static void set_active_texture (size_t num = 0);
+    static size_t current_active_texture;
 
   protected:
     typedef GLuint internal_type;