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Commit 64a54234 authored by Vishnu Nair's avatar Vishnu Nair Committed by Automerger Merge Worker
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Merge "SurfaceView: Revert SurfaceLock locking changes" into tm-qpr-dev am:... 

Merge "SurfaceView: Revert SurfaceLock locking changes" into tm-qpr-dev am: 5b518a2a am: f40b84db

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19602637



Change-Id: Icda98649c9fdb764da1a329aaf2d59a60352cbea
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents b55bb271 f40b84db

core/java/android/view/SurfaceView.java

+103 −106
Original line number Diff line number Diff line
@@ -723,9 +723,9 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 


    private void releaseSurfaces(boolean releaseSurfacePackage) {

        mSurfaceAlpha = 1f;

        mSurface.destroy();



        synchronized (mSurfaceControlLock) {

            mSurface.destroy();

            if (mBlastBufferQueue != null) {

                mBlastBufferQueue.destroy();

                mBlastBufferQueue = null;
@@ -774,6 +774,8 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 
            Transaction surfaceUpdateTransaction) {

        boolean realSizeChanged = false;



        mSurfaceLock.lock();

        try {

            mDrawingStopped = !mVisible;



            if (DEBUG) Log.i(TAG, System.identityHashCode(this) + " "
@@ -813,6 +815,7 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 
                setBufferSize(surfaceUpdateTransaction);

            }

            if (sizeChanged || creating || !isHardwareAccelerated()) {



                // Set a window crop when creating the surface or changing its size to

                // crop the buffer to the surface size since the buffer producer may

                // use SCALING_MODE_SCALE and submit a larger size than the surface
@@ -850,6 +853,7 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 
            }

            applyTransactionOnVriDraw(surfaceUpdateTransaction);

            updateEmbeddedAccessibilityMatrix(false);



            mSurfaceFrame.left = 0;

            mSurfaceFrame.top = 0;

            if (translator == null) {
@@ -866,7 +870,9 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 
                    || mLastSurfaceHeight != surfaceHeight;

            mLastSurfaceWidth = surfaceWidth;

            mLastSurfaceHeight = surfaceHeight;



        } finally {

            mSurfaceLock.unlock();

        }

        return realSizeChanged;

    }
@@ -1133,30 +1139,21 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall 
     *                          Surface for compatibility reasons.

     */

    private void copySurface(boolean surfaceControlCreated, boolean bufferSizeChanged) {

        if (surfaceControlCreated) {

            mSurface.copyFrom(mBlastBufferQueue);

        }



        if (bufferSizeChanged && getContext().getApplicationInfo().targetSdkVersion

                < Build.VERSION_CODES.O) {

            // Some legacy applications use the underlying native {@link Surface} object

            // as a key to whether anything has changed. In these cases, updates to the

            // existing {@link Surface} will be ignored when the size changes.

            // Therefore, we must explicitly recreate the {@link Surface} in these

            // cases.

        boolean needsWorkaround = bufferSizeChanged &&

            getContext().getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.O;

       if (!surfaceControlCreated && !needsWorkaround) {

           return;

       }

       mSurfaceLock.lock();

       try {

           if (surfaceControlCreated) {

               mSurface.copyFrom(mBlastBufferQueue);

           }



           if (needsWorkaround) {

            if (mBlastBufferQueue != null) {

                mSurface.transferFrom(mBlastBufferQueue.createSurfaceWithHandle());

            }

        }

       } finally {

           mSurfaceLock.unlock();

       }

    }



    private void setBufferSize(Transaction transaction) {