From 3f513f3cc7a5648400f444fb3a03d825cea4dc18 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 6 Jan 2024 08:59:04 -0500
Subject: [PATCH] x11: Add a forgotten empty_frame implementation

This was causing warnings when using GLX.
---
 gdk/x11/gdkglcontext-x11.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/gdk/x11/gdkglcontext-x11.c b/gdk/x11/gdkglcontext-x11.c
index d225b79b7c..e6120e9c7b 100644
--- a/gdk/x11/gdkglcontext-x11.c
+++ b/gdk/x11/gdkglcontext-x11.c
@@ -39,9 +39,17 @@
 
 G_DEFINE_ABSTRACT_TYPE (GdkX11GLContext, gdk_x11_gl_context, GDK_TYPE_GL_CONTEXT)
 
+static void
+gdk_x11_gl_context_empty_frame (GdkDrawContext *draw_context)
+{
+}
+
 static void
 gdk_x11_gl_context_class_init (GdkX11GLContextClass *klass)
 {
+  GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
+
+  draw_context_class->empty_frame = gdk_x11_gl_context_empty_frame;
 }
 
 static void