Merge "Add test for subsample metadata for YUV420 format" into rvc-dev

    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));

}

TEST_P(GraphicsMapperHidlTest, YV12SubsampleMetadata) {

    auto info = mDummyDescriptorInfo;

    info.format = PixelFormat::YV12;

    const native_handle_t* bufferHandle;

    uint32_t stride;

    ASSERT_NO_FATAL_FAILURE(

            bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceStrict, &stride));

    const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),

                               static_cast<int32_t>(info.height)};

    unique_fd fence;

    ASSERT_NO_FATAL_FAILURE(mGralloc->lock(bufferHandle, info.usage, region, fence.release()));

    hidl_vec<uint8_t> vec;

    ASSERT_EQ(Error::NONE, mGralloc->get(bufferHandle, gralloc4::MetadataType_PlaneLayouts, &vec));

    std::vector<PlaneLayout> planeLayouts;

    ASSERT_EQ(NO_ERROR, gralloc4::decodePlaneLayouts(vec, &planeLayouts));

    ASSERT_EQ(3, planeLayouts.size());

    auto yPlane = planeLayouts[0];

    auto crPlane = planeLayouts[1];

    auto cbPlane = planeLayouts[2];

    constexpr uint32_t kCbCrSubSampleFactor = 2;

    EXPECT_EQ(kCbCrSubSampleFactor, crPlane.horizontalSubsampling);

    EXPECT_EQ(kCbCrSubSampleFactor, crPlane.verticalSubsampling);

    EXPECT_EQ(kCbCrSubSampleFactor, cbPlane.horizontalSubsampling);

    EXPECT_EQ(kCbCrSubSampleFactor, cbPlane.verticalSubsampling);

    const long chromaSampleWidth = info.width / kCbCrSubSampleFactor;

    const long chromaSampleHeight = info.height / kCbCrSubSampleFactor;

    EXPECT_EQ(info.width, yPlane.widthInSamples);

    EXPECT_EQ(info.height, yPlane.heightInSamples);

    EXPECT_EQ(chromaSampleWidth, crPlane.widthInSamples);

    EXPECT_EQ(chromaSampleHeight, crPlane.heightInSamples);

    EXPECT_EQ(chromaSampleWidth, cbPlane.widthInSamples);

    EXPECT_EQ(chromaSampleHeight, cbPlane.heightInSamples);

    EXPECT_LE(crPlane.widthInSamples, crPlane.strideInBytes);

    EXPECT_LE(cbPlane.widthInSamples, cbPlane.strideInBytes);

    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));

}

TEST_P(GraphicsMapperHidlTest, Lock_YV12) {

    auto info = mDummyDescriptorInfo;

    info.format = PixelFormat::YV12;