commit 12e0a27aa30d9db10eafe88904d3eb8fdcbcfa71
author Dan Stoza <stoza@google.com> Tue May 05 14:00:52 2015 -0700
committer Dan Stoza <stoza@google.com> Tue May 05 16:05:32 2015 -0700
tree f5eba734a82a076288c0fe52e910e2c3d4dbb132
parent 79e287890da9de37a834cceebdefe32a7d3ac0ac

SF: Apply pending transactions to new sidebands

When a Layer's sideband stream is set, apply any pending transactions.
Otherwise they would never be applied since sideband streams don't
trigger updates by pushing new buffers.

Bug: 20125898
Change-Id: I0c7a91cdf84e6205801f4ab64eee0b09e4c0b3e0
(cherry picked from commit 3b04e1383eca6cb1d43ebe23a421c427007690c7)

services/surfaceflinger/Layer.cpp

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9fb94dd..7b104c3 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1125,6 +1125,10 @@
     if (android_atomic_acquire_cas(true, false, &mSidebandStreamChanged) == 0) {
         // mSidebandStreamChanged was true
         mSidebandStream = mSurfaceFlingerConsumer->getSidebandStream();
+        if (mSidebandStream != NULL) {
+            setTransactionFlags(eTransactionNeeded);
+            mFlinger->setTransactionFlags(eTraversalNeeded);
+        }
         recomputeVisibleRegions = true;
 
         const State& s(getDrawingState());