Merge "[surfaceflinger] Set blend mode correctly when using HWC2."

    // this gives us only the "orientation" component of the transform

    const State& s(getDrawingState());

#ifdef USE_HWC2

    auto blendMode = HWC2::BlendMode::None;

    if (!isOpaque(s) || s.alpha != 1.0f) {

        auto blendMode = mPremultipliedAlpha ?

        blendMode = mPremultipliedAlpha ?

                HWC2::BlendMode::Premultiplied : HWC2::BlendMode::Coverage;

    }

    auto error = hwcLayer->setBlendMode(blendMode);

    ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set blend mode %s:"

             " %s (%d)", mName.string(), to_string(blendMode).c_str(),

             to_string(error).c_str(), static_cast<int32_t>(error));

    }

#else

    if (!isOpaque(s) || s.alpha != 0xFF) {

        layer.setBlending(mPremultipliedAlpha ?

    }

    const Transform& tr(displayDevice->getTransform());

    Rect transformedFrame = tr.transform(frame);

    auto error = hwcLayer->setDisplayFrame(transformedFrame);

    error = hwcLayer->setDisplayFrame(transformedFrame);

    if (error != HWC2::Error::None) {

        ALOGE("[%s] Failed to set display frame [%d, %d, %d, %d]: %s (%d)",

                mName.string(), transformedFrame.left, transformedFrame.top,