commit 5fe58b8ba6c5d78481730874236a1be48a90d61d
author Mathias Agopian <mathias@google.com> Thu Feb 07 16:22:50 2013 -0800
committer Mathias Agopian <mathias@google.com> Thu Feb 07 16:22:50 2013 -0800
tree c3e5d0b845c61d6de70984831e76fe4cd48459a8
parent 9f8386e1118c10dd4927f62637ec7162569bdbdc

only disable hwc when alpha < 1.0

Bug: 8149181
Change-Id: Ib3c7a44f04871e020adceeae16d002141ac758d4

services/surfaceflinger/DisplayHardware/HWComposer.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 8e73467..ead158e 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -808,7 +808,9 @@
         if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
             getLayer()->planeAlpha = alpha;
         } else {
-            getLayer()->flags |= HWC_SKIP_LAYER;
+            if (alpha < 0xFF) {
+                getLayer()->flags |= HWC_SKIP_LAYER;
+            }
         }
     }
     virtual void setDefaultState() {