From 780ae5232dc24d37a70e1ae57a4e58d108af9d17 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Sat, 9 Oct 2021 05:24:44 +0200
Subject: [PATCH] gl: Check the stride is a multiple of the bpp

---
 gdk/gdkglcontext.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index b1984d57b8..196e5fce4d 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -308,7 +308,8 @@ gdk_gl_context_upload_texture (GdkGLContext    *context,
       glTexImage2D (texture_target, 0, gl_internalformat, width, height, 0, gl_format, gl_type, data);
       glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
     }
-  else if ((!gdk_gl_context_get_use_es (context) ||
+  else if (stride % bpp == 0 &&
+           (!gdk_gl_context_get_use_es (context) ||
             (priv->gl_version >= 30 || priv->has_unpack_subimage)))
     {
       glPixelStorei (GL_UNPACK_ROW_LENGTH, stride / bpp);