diff --git a/doomsday/engine/unix/include/dd_uinit.h b/doomsday/engine/unix/include/dd_uinit.h
index b038a7aaa6..5f7f5f373c 100644
--- a/doomsday/engine/unix/include/dd_uinit.h
+++ b/doomsday/engine/unix/include/dd_uinit.h
@@ -31,16 +31,41 @@
 
 #include "dd_pinit.h"
 
+// Doomsday window flags.
+#define DDWF_VISIBLE            0x01
+#define DDWF_FULLSCREEN         0x02
+#define DDWF_CENTER             0x04
+
+// Flags for DD_SetWindow()
+#define DDSW_NOSIZE             0x01
+#define DDSW_NOMOVE             0x02
+#define DDSW_NOBPP              0x04
+#define DDSW_NOFULLSCREEN       0x08
+#define DDSW_NOVISIBLE          0x10
+#define DDSW_NOCENTER           0x20
+#define DDSW_NOCHANGES          (DDSW_NOSIZE & DDSW_NOMOVE & DDSW_NOBPP & \
+                                 DDSW_NOFULLSCREEN & DDSW_NOVISIBLE & \
+                                 DDSW_NOCENTER)
+
+typedef struct {
+    int             placeHolder;
+} application_t;
+
 extern uint windowIDX;   // Main window.
+extern application_t app;
 
 uint            DD_CreateWindow(application_t *app, uint parent,
                                 int x, int y, int w, int h, int bpp, int flags,
                                 const char *title, int cmdShow);
-void            DD_DestroyWindow(uint idx);
+boolean         DD_DestroyWindow(uint idx);
+
 boolean         DD_GetWindowDimensions(uint idx, int *x, int *y, int *w, int *h);
-boolean         DD_GetWindowBPP(uint idx);
-boolean         DD_IsWindowFullscreen(uint idx);
-boolean         DD_SetWindowVisibility(uint idx, boolean show);
+boolean         DD_GetWindowBPP(uint idx, int *bpp);
+boolean         DD_GetWindowFullscreen(uint idx, boolean *fullscreen);
+boolean         DD_GetWindowVisibility(uint idx, boolean *show);
+
+boolean         DD_SetWindow(uint idx, int x, int y, int w, int h, int bpp,
+                             uint wflags, uint uflags);
 
 void            DD_Shutdown(void);
 
diff --git a/doomsday/engine/unix/src/dd_uinit.c b/doomsday/engine/unix/src/dd_uinit.c
index a173c3d9ad..933f796efd 100644
--- a/doomsday/engine/unix/src/dd_uinit.c
+++ b/doomsday/engine/unix/src/dd_uinit.c
@@ -55,14 +55,8 @@
 
 // TYPES -------------------------------------------------------------------
 
-// Doomsday window flags.
-#define DDWF_VISIBLE            0x01
-#define DDWF_FULLSCREEN         0x02
-
 typedef struct {
-    int             flags;
-    int             x, y, width, height;
-    int             bpp;
+    int             placeHolder;
 } ddwindow_t;
 
 // EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
@@ -207,28 +201,62 @@ int LoadPlugin(const char *pluginPath, lt_ptr data)
 #endif
 */
 
-ddwindow_t *DD_GetWindow(uint idx)
+uint DD_CreateWindow(application_t *app, uint parentIDX,
+                     int x, int y, int w, int h, int bpp, int flags,
+                     const char *title, int cmdShow)
+{
+    // \fixme Not implemented.
+    return 0;
+}
+
+boolean DD_DestroyWindow(uint idx)
+{
+    // \fixme Not implemented.
+    return true;
+}
+
+boolean DD_SetWindow(uint idx, int newX, int newY, int newWidth, int newHeight,
+                     int newBPP, uint wFlags, uint uFlags)
+{
+    // Window paramaters are not changeable in dedicated mode.
+    if(isDedicated)
+        return false;
+
+    if(uFlags & DDSW_NOCHANGES)
+        return true; // Nothing to do.
+
+    // \fixme Not implemented.
+    return true;
+}
+
+boolean DD_GetWindowDimensions(uint idx, int *x, int *y, int *width, int *height)
 {
+    // Not in dedicated mode.
+    if(isDedicated)
+        return false;
+
     // \fixme Not implemented.
-    return NULL;
+    return true;
 }
 
-void DD_ChangeWindowDimensions(ddwindow_t *window, int x, int y, int width,
-                               int height)
+boolean DD_GetWindowBPP(uint idx, int *bpp)
 {
-    if(!window)
-        return;
+    // Not in dedicated mode.
+    if(isDedicated)
+        return false;
 
     // \fixme Not implemented.
+    return true;
 }
 
-void DD_WindowShow(ddwindow_t *window, boolean show)
+boolean DD_GetWindowFullscreen(uint idx, boolean *fullscreen)
 {
-    if(!window)
-        return;
+    // Not in dedicated mode.
+    if(isDedicated)
+        return false;
 
     // \fixme Not implemented.
-    return;
+    return true;
 }
 
 int LoadPlugin(const char *pluginPath, lt_ptr data)