From 09e105ff272ed49746237a04aefa4a1599b2aa87 Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Mon, 1 Sep 2025 09:22:55 +0100
Subject: [PATCH] dos: update SDL, disable per-pixel lighting

Updated SDL has better keyboard handling, including arrow keys and text
input support.
---
 3rdParty/SDL2/CMakeLists.txt | 4 ++--
 CMake/platforms/dos.cmake    | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/3rdParty/SDL2/CMakeLists.txt b/3rdParty/SDL2/CMakeLists.txt
index eee6b5a91..787c8eb49 100644
--- a/3rdParty/SDL2/CMakeLists.txt
+++ b/3rdParty/SDL2/CMakeLists.txt
@@ -19,8 +19,8 @@ if(TARGET_PLATFORM STREQUAL "dos")
   set(DOS ON)
   FetchContent_Declare(SDL2
     # branch: dos-vbe-rebase
-    URL https://github.com/diasurgical/SDL/archive/6a87741b50e52b93852eb8ab59a89495ae9e607b.tar.gz
-    URL_HASH MD5=a41f10f31b3ec00256c85131291bb0c3
+    URL https://github.com/diasurgical/SDL/archive/d9cf9066d9cb796b56d1d70c9c560c055a32149b.tar.gz
+    URL_HASH MD5=9ad9ae69ee0266c895e79cf05a1e0e49
   )
 else()
   FetchContent_Declare(SDL2
diff --git a/CMake/platforms/dos.cmake b/CMake/platforms/dos.cmake
index 95712941e..4d1d873e3 100644
--- a/CMake/platforms/dos.cmake
+++ b/CMake/platforms/dos.cmake
@@ -4,6 +4,7 @@ set(DIST ON)
 
 set(NONET ON)
 set(NOSOUND ON)
+set(DEFAULT_PER_PIXEL_LIGHTING false)
 
 set(PREFILL_PLAYER_NAME ON)