diff --git a/gdk/gdksurface.c b/gdk/gdksurface.c
index a1df350d59..1ee40fce0c 100644
--- a/gdk/gdksurface.c
+++ b/gdk/gdksurface.c
@@ -1168,6 +1168,12 @@ gdk_surface_ensure_egl_surface (GdkSurface     *self,
 #endif
 }
 
+gboolean
+gdk_surface_get_gl_is_srgb (GdkSurface *self)
+{
+  return self->is_srgb;
+}
+
 GdkGLContext *
 gdk_surface_get_paint_gl_context (GdkSurface  *surface,
                                   GError     **error)
diff --git a/gdk/gdksurfaceprivate.h b/gdk/gdksurfaceprivate.h
index 1d4a9c6aa4..28278b7670 100644
--- a/gdk/gdksurfaceprivate.h
+++ b/gdk/gdksurfaceprivate.h
@@ -71,6 +71,7 @@ struct _GdkSurface
   guint shortcuts_inhibited : 1;
   guint request_motion : 1;
   guint has_pointer : 1;
+  guint is_srgb : 1;
 
   guint request_motion_id;
 
@@ -303,6 +304,8 @@ void                    gdk_surface_ensure_egl_surface          (GdkSurface
                                                                  GdkMemoryDepth          depth);
 gpointer /*EGLSurface*/ gdk_surface_get_egl_surface             (GdkSurface             *self);
 
+gboolean                gdk_surface_get_gl_is_srgb              (GdkSurface             *self);
+
 void                    gdk_surface_set_widget                  (GdkSurface             *self,
                                                                  gpointer                widget);
 gpointer                gdk_surface_get_widget                  (GdkSurface             *self);