Józef Kucia : wined3d: Allow creating swapchains for windows with empty client rect.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1cc74ea21582f3ad6a50183b261b494b86312135
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1cc74ea21582f3ad6a50183b2...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Thu May 17 15:46:54 2018 +0200

wined3d: Allow creating swapchains for windows with empty client rect.

Signed-off-by: Józef Kucia <jkucia(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, 4 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index ea93212..7a3f1ff 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -796,15 +796,16 @@ static HRESULT swapchain_init(struct wined3d_swapchain *swapchain, struct wined3
     GetClientRect(window, &client_rect);
     if (desc->windowed)
     {
+        TRACE("Client rect %s.\n", wine_dbgstr_rect(&client_rect));
+
         if (!desc->backbuffer_width)
         {
-            desc->backbuffer_width = client_rect.right;
+            desc->backbuffer_width = client_rect.right ? client_rect.right : 8;
             TRACE("Updating width to %u.\n", desc->backbuffer_width);
         }
-
         if (!desc->backbuffer_height)
         {
-            desc->backbuffer_height = client_rect.bottom;
+            desc->backbuffer_height = client_rect.bottom ? client_rect.bottom : 8;
             TRACE("Updating height to %u.\n", desc->backbuffer_height);
         }