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Commit e886f809 authored by layog's avatar layog
Browse files

Add test for subsample metadata for YUV420 format 

Bug: 153704651
Test: atest VtsHalGraphicsMapperV4_0TargetTest
Change-Id: Ie7a521b19b2eb1c459327fe699253aaa50ae8257
parent cda23ea3

graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp

+50 −0
Original line number Diff line number Diff line
@@ -658,6 +658,56 @@ TEST_P(GraphicsMapperHidlTest, Lock_YCRCB_420_SP) { 
    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;