From aa81262f116d32936abc62324e170ade1fc68578 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Tue, 24 Feb 2015 17:20:22 +0800
Subject: [PATCH] wayland: Scale up wl_egl_window according to window scale

In order to support window scales for EGL windows, resize the
wl_egl_window to the window dimension multiplied with the window scale,
just as with SHM window buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=745076
---
 gdk/wayland/gdkwindow-wayland.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 547aca51ac..b5f048afcd 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -181,7 +181,13 @@ gdk_wayland_window_update_size (GdkWindow *window,
   impl->scale = scale;
 
   if (impl->egl_window)
-    wl_egl_window_resize (impl->egl_window, width, height, 0, 0);
+    {
+      wl_egl_window_resize (impl->egl_window,
+                            width * scale,
+                            height * scale,
+                            0, 0);
+      wl_surface_set_buffer_scale (impl->surface, scale);
+    }
 
   area.x = 0;
   area.y = 0;
@@ -2262,8 +2268,9 @@ gdk_wayland_window_get_wl_egl_window (GdkWindow *window)
     {
       impl->egl_window =
         wl_egl_window_create(impl->surface,
-                             impl->wrapper->width,
-                             impl->wrapper->height);
+                             impl->wrapper->width * impl->scale,
+                             impl->wrapper->height * impl->scale);
+      wl_surface_set_buffer_scale (impl->surface, impl->scale);
     }
 
   return impl->egl_window;