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Commit efa53669 authored by Anjaneya Prasad Musunuri's avatar Anjaneya Prasad Musunuri Committed by Linux Build Service Account
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surfaceflinger: Add check for number of queued buffers 

Pop buffer item from shadow queue only when
number of queued buffer items is greater than zero.

Change-Id: I039bc133842293c29e3e130efd65f521ef0049c6
CRs-Fixed: 1009466
parent b77c3b78

services/surfaceflinger/Layer.cpp

+6 −1
Original line number Diff line number Diff line
@@ -1978,11 +1978,16 @@ Region Layer::latchBuffer(bool& recomputeVisibleRegions) 


            // Remove any stale buffers that have been dropped during

            // updateTexImage

            while (mQueueItems[0].mFrameNumber != currentFrameNumber) {

            while ((mQueuedFrames > 0) && (mQueueItems[0].mFrameNumber != currentFrameNumber)) {

                mQueueItems.removeAt(0);

                android_atomic_dec(&mQueuedFrames);

            }



            if (mQueuedFrames == 0) {

                ALOGE("[%s] mQueuedFrames is zero !!", mName.string());

                return outDirtyRegion;

            }



            mQueueItems.removeAt(0);

        }