SDL: Make sure we're getting called for the correct window

SDL Commits
1 
From 47b0c75470d8a40b79aca08b4327ac0ab906653b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 19 Mar 2025 20:20:36 -0700
Subject: [PATCH] Make sure we're getting called for the correct window

Fixes https://github.com/libsdl-org/SDL/issues/12525
---
 src/render/SDL_render.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index c08a3dd19a3e5..eac513f08cb7b 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -844,6 +844,10 @@ static bool SDL_RendererEventWatch(void *userdata, SDL_Event *event)
     SDL_Renderer *renderer = (SDL_Renderer *)userdata;
     SDL_Window *window = renderer->window;
 
+    if (event->window.windowID != SDL_GetWindowID(window)) {
+        return true;
+    }
+
     if (renderer->WindowEvent) {
         renderer->WindowEvent(renderer, &event->window);
     }