avoid NullPointer in SDL_GL_MakeCurrent

libsdl-org · Apr 15, 2022 · 01b14e1 · 01b14e1
1 parent 55a4e1d
commit 01b14e1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
@@ -3924,6 +3924,10 @@ SDL_GL_MakeCurrent(SDL_Window * window, SDL_GLContext ctx)
 {
     int retval;
 
+    if (!_this) {
+        return SDL_UninitializedVideo();
+    }
+
     if (window == SDL_GL_GetCurrentWindow() &&
         ctx == SDL_GL_GetCurrentContext()) {
         /* We're already current. */