From cb98e17d728fc3a88babaabded099f3ce0d307b5 Mon Sep 17 00:00:00 2001
From: Roman Fomin <rfomin@gmail.com>
Date: Wed, 20 Jan 2021 16:52:40 +0700
Subject: [PATCH] Workaround for SDL 2.0.14 alt-tab bug (#105)

* Workaround for SDL 2.0.14 alt-tab bug

* Add run-time and build-time check

* Add block scope
---
 Source/i_video.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Source/i_video.c b/Source/i_video.c
index d276615c..ec717435 100644
--- a/Source/i_video.c
+++ b/Source/i_video.c
@@ -1208,6 +1208,18 @@ static void I_InitGraphicsMode(void)
                                SDL_TEXTUREACCESS_STREAMING,
                                v_w, v_h);
 
+   // Workaround for SDL 2.0.14 alt-tab bug (taken from Doom Retro)
+#if defined(_WIN32)
+   {
+      SDL_version ver;
+      SDL_GetVersion(&ver);
+      if (ver.major == 2 && ver.minor == 0 && ver.patch == 14)
+      {
+         SDL_SetHintWithPriority(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "1", SDL_HINT_OVERRIDE);
+      }
+   }
+#endif
+
    V_Init();
 
    UpdateGrab();