Stefan Dösinger : wined3d: Avoid accessing the device after minimize in ddraw.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7a36efc3bc37a13c5ec9b914e5a233cc5e0b9608
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=7a36efc3bc37a13c5ec9b914e...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Sat Oct 13 16:13:52 2018 -0700

wined3d: Avoid accessing the device after minimize in ddraw.

Signed-off-by: Stefan Dösinger <stefan(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/wined3d/swapchain.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 9c48de2..5cca4be 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -1132,13 +1132,15 @@ void wined3d_swapchain_activate(struct wined3d_swapchain *swapchain, BOOL activa
 {
     struct wined3d_device *device = swapchain->device;
     BOOL filter_messages = device->filter_messages;
+    BOOL focus_messages = device->wined3d->flags & WINED3D_FOCUS_MESSAGES;
 
     /* This code is not protected by the wined3d mutex, so it may run while
      * wined3d_device_reset is active. Testing on Windows shows that changing
      * focus during resets and resetting during focus change events causes
      * the application to crash with an invalid memory access. */
 
-    device->filter_messages = !(device->wined3d->flags & WINED3D_FOCUS_MESSAGES);
+    if (!focus_messages)
+        device->filter_messages = 1;
 
     if (activate)
     {
@@ -1190,7 +1192,8 @@ void wined3d_swapchain_activate(struct wined3d_swapchain *swapchain, BOOL activa
             ShowWindow(swapchain->device_window, SW_MINIMIZE);
     }
 
-    device->filter_messages = filter_messages;
+    if (!focus_messages)
+        device->filter_messages = filter_messages;
 }
 
 HRESULT CDECL wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapchain, unsigned int buffer_count,