cleanup: Move clearing of screen into the windowmanager, and do it optionally based on each window. Currently always clears the screen except in fullscreen video

git-svn-id: https://xbmc.svn.sourceforge.net/svnroot/xbmc/trunk@30879 568bbfeb-2a22-0410-94d2-cc84cf5bfa90

1 files changed, 4 insertions, 0 deletions

diff --git a/guilib/GUIWindowManager.cpp b/guilib/GUIWindowManager.cpp
index eb2c02fcef..7e82479d1d 100644
--- a/guilib/GUIWindowManager.cpp
+++ b/guilib/GUIWindowManager.cpp
@@ -489,7 +489,11 @@ void CGUIWindowManager::Render()
   CSingleLock lock(g_graphicsContext);
   CGUIWindow* pWindow = GetWindow(GetActiveWindow());
   if (pWindow)
+  {
+    if (pWindow->NeedsClearBackground())
+      g_graphicsContext.Clear();
     pWindow->Render();
+  }
 
   // we render the dialogs based on their render order.
   vector<CGUIWindow *> renderList = m_activeDialogs;