Work around a wayland crash

For some reason, we are seeing damage being NULL here.
While that should never be the case, crashing on it is
unkind and makes the Wayland experience unusable.

diff --git a/gdk/wayland/gdkglcontext-wayland.c b/gdk/wayland/gdkglcontext-wayland.c
index 82233cfb20bec6b9662879fd4a8bca9ccd81fdfb..7f74a34f94c447506446a60e35f77cb23262b329 100644 (file)
--- a/gdk/wayland/gdkglcontext-wayland.c
+++ b/gdk/wayland/gdkglcontext-wayland.c
@@ -221,7 +221,7 @@ gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context,
   egl_surface = gdk_wayland_window_get_egl_surface (window->impl_window,
                                                     context_wayland->egl_config);
 
-  if (display_wayland->have_egl_swap_buffers_with_damage)
+  if (display_wayland->have_egl_swap_buffers_with_damage && damage != NULL)
     {
       int i, j, n_rects = cairo_region_num_rectangles (damage);
       EGLint *rects = g_new (EGLint, n_rects * 4);