From fb12ad842d1798184519375535641f872e50fdfe Mon Sep 17 00:00:00 2001
From: AnotherSeawhite <52661206+AnotherSeawhite@users.noreply.github.com>
Date: Tue, 2 Apr 2024 14:33:50 +0900
Subject: [PATCH 1/4] option

---
 src/options.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/options.cpp b/src/options.cpp
index ffe1c0c269bc7..2675d931d5b99 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2648,6 +2648,13 @@ void options_manager::add_options_graphics()
              false, COPT_CURSES_HIDE
            );
 
+        #if defined(SDL_HINT_RENDER_VSYNC)
+    add( "VSYNC", graphics, translate_marker( "Use VSync" ),
+         translate_marker( "Enable vertical synchronization to prevent screen tearing.  VSync can slow the game down a lot.  Requires restart." ),
+         false, COPT_CURSES_HIDE
+       );
+#endif
+        
 #if defined(__ANDROID__)
         get_option( "FRAMEBUFFER_ACCEL" ).setPrerequisite( "SOFTWARE_RENDERING" );
 #else

From 2080a2011af887a9193613c62e0a5de553f98ab9 Mon Sep 17 00:00:00 2001
From: AnotherSeawhite <52661206+AnotherSeawhite@users.noreply.github.com>
Date: Tue, 2 Apr 2024 14:38:34 +0900
Subject: [PATCH 2/4] sdltiles

---
 src/sdltiles.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/sdltiles.cpp b/src/sdltiles.cpp
index d99ad5eb431fd..d2f072b524bc3 100644
--- a/src/sdltiles.cpp
+++ b/src/sdltiles.cpp
@@ -360,8 +360,12 @@ static void WinCreate()
     if( !software_renderer ) {
         dbg( D_INFO ) << "Attempting to initialize accelerated SDL renderer.";
 
-        renderer.reset( SDL_CreateRenderer( ::window.get(), renderer_id, SDL_RENDERER_ACCELERATED |
-                                            SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE ) );
+        int init_flags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
+        if( get_option<bool>( "VSYNC" ) ) {
+            init_flags |= SDL_RENDERER_PRESENTVSYNC;
+        }
+
+        renderer.reset( SDL_CreateRenderer( ::window.get(), renderer_id, init_flags ) );
         if( printErrorIf( !renderer,
                           "Failed to initialize accelerated renderer, falling back to software rendering" ) ) {
             software_renderer = true;

From 44761adc9322fc5edc9b01cad7bb1eb59a22e2a9 Mon Sep 17 00:00:00 2001
From: AnotherSeawhite <52661206+AnotherSeawhite@users.noreply.github.com>
Date: Tue, 2 Apr 2024 14:41:01 +0900
Subject: [PATCH 3/4] Update src/options.cpp

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 src/options.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/options.cpp b/src/options.cpp
index 2675d931d5b99..a768432169b63 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2648,11 +2648,11 @@ void options_manager::add_options_graphics()
              false, COPT_CURSES_HIDE
            );
 
-        #if defined(SDL_HINT_RENDER_VSYNC)
-    add( "VSYNC", graphics, translate_marker( "Use VSync" ),
-         translate_marker( "Enable vertical synchronization to prevent screen tearing.  VSync can slow the game down a lot.  Requires restart." ),
-         false, COPT_CURSES_HIDE
-       );
+#if defined(SDL_HINT_RENDER_VSYNC)
+        add( "VSYNC", graphics, translate_marker( "Use VSync" ),
+             translate_marker( "Enable vertical synchronization to prevent screen tearing.  VSync can slow the game down a lot.  Requires restart." ),
+             false, COPT_CURSES_HIDE
+           );
 #endif
         
 #if defined(__ANDROID__)

From 36464c47b4df02ded0d83b23d0bd0c51963176d3 Mon Sep 17 00:00:00 2001
From: AnotherSeawhite <52661206+AnotherSeawhite@users.noreply.github.com>
Date: Tue, 2 Apr 2024 14:41:10 +0900
Subject: [PATCH 4/4] Update src/options.cpp

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 src/options.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/options.cpp b/src/options.cpp
index a768432169b63..921364d86a630 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2654,7 +2654,6 @@ void options_manager::add_options_graphics()
              false, COPT_CURSES_HIDE
            );
 #endif
-        
 #if defined(__ANDROID__)
         get_option( "FRAMEBUFFER_ACCEL" ).setPrerequisite( "SOFTWARE_RENDERING" );
 #else