diff --git a/video.cc b/video.cc
index 346e923..0534b56 100644
--- a/video.cc
+++ b/video.cc
@@ -4,6 +4,9 @@
 #include <iostream>
 using namespace std;
 
+static int default_width = 0;
+static int default_height = 0;
+
 void video_init()
 {
     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER))
@@ -11,4 +14,27 @@ void video_init()
         cerr << "SDL_Init() returned error!" << endl;
         exit(3);
     }
+
+    const SDL_VideoInfo * vidInfo = SDL_GetVideoInfo();
+    if (vidInfo != NULL)
+    {
+        default_width = vidInfo->current_w;
+        default_height = vidInfo->current_h;
+    }
+    else
+    {
+        cerr << "Warning: SDL_GetVideoInfo() returned NULL!" << endl;
+        default_width = 1024;
+        default_height = 768;
+    }
+}
+
+int getDefaultWidth()
+{
+    return default_width;
+}
+
+int getDefaultHeight()
+{
+    return default_height;
 }
diff --git a/video.h b/video.h
index d8881e1..336621b 100644
--- a/video.h
+++ b/video.h
@@ -3,5 +3,7 @@
 #define SDL_H
 
 void video_init();
+int getDefaultWidth();
+int getDefaultHeight();
 
 #endif