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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)
This commit is contained in:
Dan Stoza 2015-05-05 14:00:52 -07:00
parent 79e287890d
commit 12e0a27aa3
1 changed files with 4 additions and 0 deletions
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4
services/surfaceflinger/Layer.cpp
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@ -1125,6 +1125,10 @@ Region Layer::latchBuffer(bool& recomputeVisibleRegions)
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());