From: bones_was_here <bones_was_here@xonotic.au>
Date: Mon, 6 Nov 2023 17:52:15 +0000 (+1000)
Subject: Windows: opt out of DPI scaling
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=d33a1d0ffb434270de498c386271e484f90e6716;p=xonotic%2Fdarkplaces.git

Windows: opt out of DPI scaling

SDL >= 2.24.0 is required.

Fixes https://gitlab.com/xonotic/darkplaces/-/issues/32
Fixes https://github.com/DarkPlacesEngine/darkplaces/issues/74

Signed-off-by: bones_was_here <bones_was_here@xonotic.au>
---

diff --git a/vid_sdl.c b/vid_sdl.c
index 5c7721a9..6f39dd5f 100644
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -1714,6 +1714,11 @@ static qbool VID_InitModeGL(viddef_mode_t *mode)
 #endif
 	}
 
+	// DPI scaling prevents use of the native resolution, causing blurry rendering
+	// and/or mouse cursor problems, so we need to opt-out.
+#ifdef WIN32
+	SDL_SetHint(SDL_HINT_WINDOWS_DPI_AWARENESS, "1");
+#endif
 
 	if (vid_mouse_clickthrough.integer)
 		SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1");