UI|Client: Disabled the Oculus Rift UI compositor

Nowadays LibOVR provides compositing features, so in the future those
should be used instead of trying to modify the widget tree on the fly
and doing it manually.

doomsday/apps/client/src/ui/clientwindow.cpp

@@ -88,7 +88,7 @@ DENG2_PIMPL(ClientWindow)
 
     /// Root of the nomal UI widgets of this window.
     ClientRootWidget root;
-    CompositorWidget *compositor = nullptr;
+    //CompositorWidget *compositor = nullptr;
     GameWidget *game = nullptr;
     GameUIWidget *gameUI = nullptr;
     TaskBarWidget *taskBar = nullptr;
@@ -155,14 +155,14 @@ DENG2_PIMPL(ClientWindow)
                 << self.configName("vsync");
     }
 
-    Widget &container()
+    /*Widget &container()
     {
         if (compositor)
         {
             return *compositor;
         }
         return root;
-    }
+    }*/
 
     void setupUI()
     {
@@ -178,7 +178,7 @@ DENG2_PIMPL(ClientWindow)
         gameUI = new GameUIWidget;
         gameUI->rule().setRect(root.viewRule());
         gameUI->disable();
-        container().add(gameUI);
+        root.add(gameUI);
 
         // Busy widget shows progress indicator and frozen game content.
         busy = new BusyWidget;
@@ -188,16 +188,16 @@ DENG2_PIMPL(ClientWindow)
 
         home = new HomeWidget;
         home->rule().setRect(root.viewRule());
-        container().add(home);
+        root.add(home);
 
         // Busy progress should be visible over the Home.
         busy->progress().orphan();
-        container().add(&busy->progress());
+        root.add(&busy->progress());
 
         // Common notification area.
         notifications = new NotificationAreaWidget;
         notifications->useDefaultPlacement(game->rule());
-        container().add(notifications);
+        root.add(notifications);
 
         // Alerts notification and popup.
         alerts = new AlertDialog;
@@ -213,15 +213,15 @@ DENG2_PIMPL(ClientWindow)
         taskBarBlur->set(GuiWidget::Background(Vector4f(1, 1, 1, 1), GuiWidget::Background::Blurred));
         taskBarBlur->rule().setRect(root.viewRule());
         taskBarBlur->setAttribute(GuiWidget::DontDrawContent);
-        container().add(taskBarBlur);
+        root.add(taskBarBlur);
 
         // Taskbar is over almost everything else.
         taskBar = new TaskBarWidget;
         taskBar->rule()
                 .setInput(Rule::Left,   root.viewLeft())
                 .setInput(Rule::Bottom, root.viewBottom() + taskBar->shift())
                 .setInput(Rule::Width,  root.viewWidth());
-        container().add(taskBar);
+        root.add(taskBar);
 
 #if 0
         // The game selection's height depends on the taskbar.
@@ -235,7 +235,7 @@ DENG2_PIMPL(ClientWindow)
         // Privileged work-in-progress log.
         privLog = new PrivilegedLogWidget;
         privLog->rule().setRect(root.viewRule());
-        container().add(privLog);
+        root.add(privLog);
 
         // Color adjustment dialog.
         colorAdjust = new ColorAdjustmentDialog;
@@ -255,7 +255,7 @@ DENG2_PIMPL(ClientWindow)
                 .setSize(Const(48), Const(48))
                 .setLeftTop(*cursorX, *cursorY);
         cursor->hide();
-        container().add(cursor);
+        root.add(cursor);
     }
 
     void appStartupCompleted()
@@ -533,7 +533,7 @@ DENG2_PIMPL(ClientWindow)
         }
 
         sidebar = widget;
-        container().insertBefore(sidebar, *notifications);
+        root.insertBefore(sidebar, *notifications);
     }
 
     void uninstallSidebar(SidebarLocation location)
@@ -548,7 +548,7 @@ DENG2_PIMPL(ClientWindow)
             break;
         }
 
-        container().remove(*sidebar);
+        root.remove(*sidebar);
         sidebar->guiDeleteLater();
         sidebar = 0;
     }
@@ -594,7 +594,7 @@ DENG2_PIMPL(ClientWindow)
         root.setViewSize(size);
     }
 
-    void enableCompositor(bool enable)
+/*    void enableCompositor(bool enable)
     {
         DENG_ASSERT_IN_MAIN_THREAD();
 
@@ -708,7 +708,7 @@ DENG2_PIMPL(ClientWindow)
             // We'll simply cover the entire view.
             compositor->useDefaultCompositeProjection();
         }
-    }
+    }*/
 
     void updateMouseCursor()
     {
@@ -907,7 +907,7 @@ void ClientWindow::preDraw()
 
 void ClientWindow::drawWindowContent()
 {
-    d->updateCompositor();
+    //d->updateCompositor();
     root().draw();
     LIBGUI_ASSERT_GL_OK();
 }
@@ -997,7 +997,7 @@ bool ClientWindow::prepareForDraw()
     }
 
     // Offscreen composition is only needed in Oculus Rift mode.
-    d->enableCompositor(vrCfg().mode() == VRConfig::OculusRift);
+    //d->enableCompositor(vrCfg().mode() == VRConfig::OculusRift);
 
     if (d->performDeferredTasks() == Impl::AbortFrame)
     {
@@ -1106,10 +1106,10 @@ void ClientWindow::showColorAdjustments()
 
 void ClientWindow::addOnTop(GuiWidget *widget)
 {
-    d->container().add(widget);
+    d->root.add(widget);
 
     // Make sure the cursor remains the topmost widget.
-    d->container().moveChildToLast(*d->cursor);
+    d->root.moveChildToLast(*d->cursor);
 }
 
 void ClientWindow::setSidebar(SidebarLocation location, GuiWidget *sidebar)