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Commit 3e27b3c6 authored by Vishnu Nair's avatar Vishnu Nair Committed by Automerger Merge Worker
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Merge "BBQ: Update the transform hint if the SC layer handle does not change"... 

Merge "BBQ: Update the transform hint if the SC layer handle does not change" into sc-dev am: e89521f7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15140323

Change-Id: I4542c8726f6727ff59d1cc0bf99d91f4c3723e01
parents 8bc8dc78 e89521f7

libs/gui/BLASTBufferQueue.cpp

+10 −7
Original line number Diff line number Diff line
@@ -197,15 +197,18 @@ void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width, 
    }



    SurfaceComposerClient::Transaction t;

    const bool setBackpressureFlag = !SurfaceControl::isSameSurface(mSurfaceControl, surface);

    bool applyTransaction = false;

    if (!SurfaceControl::isSameSurface(mSurfaceControl, surface)) {



    // Always update the native object even though they might have the same layer handle, so we can

    // get the updated transform hint from WM.

    mSurfaceControl = surface;

    if (mSurfaceControl != nullptr) {

        if (setBackpressureFlag) {

            t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,

                       layer_state_t::eEnableBackpressure);

            applyTransaction = true;

        }



    if (mSurfaceControl != nullptr) {

        mTransformHint = mSurfaceControl->getTransformHint();

        mBufferItemConsumer->setTransformHint(mTransformHint);

    }
@@ -221,7 +224,7 @@ void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width, 
            // We only need to update the scale if we've received at least one buffer. The reason

            // for this is the scale is calculated based on the requested size and buffer size.

            // If there's no buffer, the scale will always be 1.

            if (mLastBufferInfo.hasBuffer) {

            if (mSurfaceControl != nullptr && mLastBufferInfo.hasBuffer) {

                t.setDestinationFrame(mSurfaceControl,

                                      Rect(0, 0, newSize.getWidth(), newSize.getHeight()));

            }