From b0ed9e30ceeb8ef16d242ea189f53e717ab37201 Mon Sep 17 00:00:00 2001
From: Paul Gofman <gofmanp@gmail.com>
Date: Wed, 6 Apr 2022 17:40:21 +0300
Subject: [PATCH] [d3d9] Filter window messages when processing WM_ACTIVATEAPP.

---
 src/d3d9/d3d9_swapchain.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/d3d9/d3d9_swapchain.cpp b/src/d3d9/d3d9_swapchain.cpp
index 8dad6995..b885a100 100644
--- a/src/d3d9/d3d9_swapchain.cpp
+++ b/src/d3d9/d3d9_swapchain.cpp
@@ -128,6 +128,7 @@ namespace dxvk {
       windowData.swapchain->GetDevice()->GetCreationParameters(&create_parms);
 
       if (!(create_parms.BehaviorFlags & D3DCREATE_NOWINDOWCHANGES)) {
+        D3D9WindowMessageFilter filter(window);
         if (wparam) {
           // Heroes of Might and Magic V needs this to resume drawing after a focus loss
           D3DPRESENT_PARAMETERS params;