From: William Hua <william.hua@canonical.com>
Date: Mon, 13 Jul 2015 12:55:43 +0000 (-0400)
Subject: mir: don't ensure_surface if window not visible
X-Git-Tag: archive/raspbian/4.4.1+ds1-2+rpi1^2~18^2~24^2~9065
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=bd71b801de54218907bf4211e6ef506eec23c967;p=gtk4.git

mir: don't ensure_surface if window not visible
---

diff --git a/gdk/mir/gdkmirwindowimpl.c b/gdk/mir/gdkmirwindowimpl.c
index 25e57c6a1e..9b3a249e54 100644
--- a/gdk/mir/gdkmirwindowimpl.c
+++ b/gdk/mir/gdkmirwindowimpl.c
@@ -418,7 +418,7 @@ gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window)
     {
       cairo_surface = cairo_image_surface_create (pixel_format, window->width, window->height);
     }
-  else
+  else if (impl->visible)
     {
       ensure_surface (window);
 
@@ -431,6 +431,8 @@ gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window)
                                                            region.height,
                                                            region.stride);
     }
+  else
+    cairo_surface = cairo_image_surface_create (pixel_format, 0, 0);
 
   impl->cairo_surface = cairo_surface_reference (cairo_surface);