From 4f9be3f4576b040c8ef4a6820f798d9c1543ed2a Mon Sep 17 00:00:00 2001
From: Fabian Greffrath <fabian@greffrath.com>
Date: Fri, 8 Apr 2022 10:04:09 +0200
Subject: [PATCH] work-around a bug in Windows 11's Direct3D9 VSync timer
 (#501)

* work-around a bug in Windows 11's Direct3D9 VSync timer

* set direct3d11 on all versions of Windows
---
 Source/i_video.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/i_video.c b/Source/i_video.c
index 0b743a59..5db3face 100644
--- a/Source/i_video.c
+++ b/Source/i_video.c
@@ -1499,6 +1499,11 @@ static void I_InitGraphicsMode(void)
       texture = NULL;
    }
 
+#ifdef _WIN32
+   // [FG] work-around a bug in Windows 11's Direct3D9 VSync timer
+   SDL_SetHint(SDL_HINT_RENDER_DRIVER, "direct3d11");
+#endif
+
    renderer = SDL_CreateRenderer(screen, -1, flags);
 
    // [FG] try again without hardware acceleration