diff --git a/include/QF/vid.h b/include/QF/vid.h
index 6b03b3c9b..6987ebfc8 100644
--- a/include/QF/vid.h
+++ b/include/QF/vid.h
@@ -52,6 +52,7 @@ typedef struct {
 	struct vid_internal_s *vid_internal;
 
 	struct viddef_listener_set_s *onPaletteChanged;
+	struct viddef_listener_set_s *onVidResize;
 } viddef_t;
 
 typedef struct viddef_listener_set_s LISTENER_SET_TYPE (viddef_t)
@@ -76,5 +77,7 @@ void VID_ClearMemory (void);
 void VID_OnPaletteChange_AddListener (viddef_listener_t listener, void *data);
 void VID_OnPaletteChange_RemoveListener (viddef_listener_t listener,
 										 void *data);
+void VID_OnVidResize_AddListener (viddef_listener_t listener, void *data);
+void VID_OnVidResize_RemoveListener (viddef_listener_t listener, void *data);
 
 #endif//__QF_vid_h
diff --git a/include/vid_internal.h b/include/vid_internal.h
index f413d4d66..e79fa9a9b 100644
--- a/include/vid_internal.h
+++ b/include/vid_internal.h
@@ -33,6 +33,7 @@ extern int vid_system_gamma;
 extern float vid_gamma;
 
 void VID_GetWindowSize (int def_w, int def_h);
+void VID_SetWindowSize (int width, int height);
 
 void VID_InitGamma (const byte *);
 qboolean VID_SetGamma (double);
diff --git a/libs/video/targets/vid.c b/libs/video/targets/vid.c
index d6547250a..51c235440 100644
--- a/libs/video/targets/vid.c
+++ b/libs/video/targets/vid.c
@@ -291,6 +291,24 @@ VID_OnPaletteChange_RemoveListener (viddef_listener_t listener, void *data)
 	}
 }
 
+VISIBLE void
+VID_OnVidResize_AddListener (viddef_listener_t listener, void *data)
+{
+	if (!viddef.onVidResize) {
+		viddef.onVidResize = malloc (sizeof (*viddef.onVidResize));
+		LISTENER_SET_INIT (viddef.onVidResize, 8);
+	}
+	LISTENER_ADD (viddef.onVidResize, listener, data);
+}
+
+VISIBLE void
+VID_OnVidResize_RemoveListener (viddef_listener_t listener, void *data)
+{
+	if (viddef.onVidResize) {
+		LISTENER_REMOVE (viddef.onVidResize, listener, data);
+	}
+}
+
 VISIBLE void
 VID_Init (byte *palette, byte *colormap)
 {