diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 5c8d604..f149a50 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -51,4 +51,15 @@
     <!-- If this is true, the screen will fade off. -->
     <bool name="config_animateScreenLights">false</bool>
 
+    <!-- Flag indicating whether the surface flinger has limited
+         alpha compositing functionality in hardware.  If set, the window
+         manager will disable alpha trasformation in animations where not
+         strictly needed. -->
+    <bool name="config_sf_limitedAlpha">true</bool>
+
+    <!-- Enables or disables fading edges when marquee is enabled in TextView.
+         Off by default, since the framebuffer readback used to implement the
+         fading edges is prohibitively expensive on most GPUs. -->
+    <bool name="config_ui_enableFadingMarquee">true</bool>
+
 </resources>