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diff src/video/SDL_sysvideo.h @ 3695:f6a8be3fefa0

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Added magic to detect already freed or otherwise invalid windows and textures.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Jan 2010 20:21:51 +0000
parents 64ce267332c6
children f7b03b6838cb
line wrap: on
line diff
--- a/src/video/SDL_sysvideo.h	Sun Jan 24 19:47:17 2010 +0000
+++ b/src/video/SDL_sysvideo.h	Sun Jan 24 20:21:51 2010 +0000
@@ -37,6 +37,7 @@
 /* Define the SDL texture structure */
 struct SDL_Texture
 {
+    const void *magic;
     Uint32 format;              /**< The pixel format of the texture */
     int access;                 /**< SDL_TextureAccess */
     int w;                      /**< The width of the texture */
@@ -138,6 +139,7 @@
 /* Define the SDL window structure, corresponding to toplevel windows */
 struct SDL_Window
 {
+    const void *magic;
     Uint32 id;
     char *title;
     int x, y;
@@ -308,6 +310,8 @@
     int num_displays;
     SDL_VideoDisplay *displays;
     int current_display;
+    Uint8 window_magic;
+    Uint8 texture_magic;
     Uint32 next_object_id;
 
     /* * * */