commit 8785578391eacd4192333d7b0ce3afedd7d163e6
author Mathias Agopian <mathias@google.com> Tue Jul 24 21:41:09 2012 -0700
committer Mathias Agopian <mathias@google.com> Tue Jul 24 21:42:27 2012 -0700
tree 62249d4b8556b12eede54e09c9b5a5f34f9e52ec
parent 8b33f032327f8de0dcc0e6d0d43ed80f834b51f6

add a layerStack attribute to Layers.

this attribute can be set through a regular transaction using
SurfaceComposerClient (just like any other attribute, eg: position or size)

Change-Id: I701a47c677ea6442ca713728a93335328cd2b172

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 8da2543..b70c720 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1572,6 +1572,10 @@
             if (layer->setCrop(s.crop))
                 flags |= eTraversalNeeded;
         }
+        if (what & eLayerStackChanged) {
+            if (layer->setLayerStack(s.layerStack))
+                flags |= eTraversalNeeded;
+        }
     }
     return flags;
 }