SDL: Take the display scale into account in SDL_GetWindowSizeInPixels()

SDL Commits
1 
From 9bbc402b810d0dc3f03ea96c0cabb003ebe2d37c Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 25 Jan 2023 10:20:44 -0800
Subject: [PATCH] Take the display scale into account in
 SDL_GetWindowSizeInPixels()

---
 src/video/SDL_video.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index b413d0394ccc..cb8e01ed3e72 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -2395,7 +2395,15 @@ void SDL_GetWindowSizeInPixels(SDL_Window *window, int *w, int *h)
     if (_this->GetWindowSizeInPixels) {
         _this->GetWindowSizeInPixels(_this, window, w, h);
     } else {
+        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
+
         SDL_GetWindowSize(window, w, h);
+
+        if (display)
+        {
+            *w = (int)SDL_ceilf(*w * display->current_mode.display_scale);
+            *h = (int)SDL_ceilf(*h * display->current_mode.display_scale);
+        }
     }
 }