Merge "Fix an infinite loop in TextureView implementation"

    }

    int slot = item.mSlot;

    *outQueueEmpty = false;

    if (item.mFence->isValid()) {

        // If fence is not signaled, that means frame is not ready and

        // outQueueEmpty is set to true. By the time the fence is signaled,

        // there may be a new buffer queued. This is a proper detection for an

        // empty queue and it is needed to avoid infinite loop in

        // ASurfaceTexture_dequeueBuffer (see b/159921224).

        *outQueueEmpty = item.mFence->getStatus() == Fence::Status::Unsignaled;

        // Wait on the producer fence for the buffer to be ready.

        err = fenceWait(item.mFence->get(), fencePassThroughHandle);

        if (err != OK) {

    st.mCurrentFrameNumber = item.mFrameNumber;

    st.computeCurrentTransformMatrixLocked();

    *outQueueEmpty = false;

    *outDataspace = item.mDataSpace;

    *outSlotid = slot;

    return st.mSlots[slot].mGraphicBuffer;