From 9379e2eb8d712fec18c5189fef10a406a384d41d Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 13 Jul 2024 10:04:15 -0700
Subject: [PATCH] Don't force vsync on for the software renderer

Setting vsync 0 should succeed for the software renderer.
---
 src/render/SDL_render.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 58f8fd0ac..2153c239c 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -4770,7 +4770,11 @@ int SDL_SetRenderVSync(SDL_Renderer *renderer, int vsync)
 #if SDL_VIDEO_RENDER_SW
     if (renderer->software) {
         if (!renderer->window) {
-            return SDL_Unsupported();
+            if (!vsync) {
+                return 0;
+            } else {
+                return SDL_Unsupported();
+            }
         }
         if (SDL_SetWindowTextureVSync(NULL, renderer->window, vsync) == 0) {
             renderer->simulate_vsync = SDL_FALSE;