From db3511150eb22aa79b81f71dd9aabbf762b87b6e Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Tue, 2 Apr 2019 14:15:37 -0400
Subject: [PATCH] Add an error message to SDL_ListModes() if subsystem isn't
 initialized.

---
 src/SDL12_compat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index ac2bec01a..e96c6344d 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -2521,6 +2521,7 @@ SDL_ListModes(const SDL12_PixelFormat *format12, Uint32 flags)
     int i;
 
     if (!SDL20_WasInit(SDL_INIT_VIDEO)) {
+        SDL20_SetError("Video subsystem not initialized");
         return NULL;
     }