Date: Thu, 05 Feb 2009 17:27:54 +0100

From: Stefan Klug
Subject: [SDL] SDL_SetVideoMode compatibility fix

SDL_SetVideoMode(0,0,0,flags) used to be valid in SDL 1.2
Attached is a patch to replicate this behaviour in SDL 1.3

Cheers Stefan

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403565

src/SDL_compat.c

@@ -494,6 +494,15 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
             return NULL;
         }
     }
+    
+    SDL_GetDesktopDisplayMode(&desktop_mode);
+
+    if (width == 0) {
+        width = desktop_mode.w;
+    }
+    if (height == 0) {
+        height = desktop_mode.h;
+    }
 
     /* See if we can simply resize the existing window and surface */
     if (SDL_ResizeVideoMode(width, height, bpp, flags) == 0) {
@@ -567,7 +576,6 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
     }
 
     /* Set up the desired display mode */
-    SDL_GetDesktopDisplayMode(&desktop_mode);
     desktop_format = desktop_mode.format;
     if (desktop_format && ((flags & SDL_ANYFORMAT)
                            || (bpp == SDL_BITSPERPIXEL(desktop_format)))) {