Add test for subsample metadata for YUV420 format
Bug: 153704651
Test: atest VtsHalGraphicsMapperV4_0TargetTest
Change-Id: Ie7a521b19b2eb1c459327fe699253aaa50ae8257
diff --git a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
index 529fb18..16be5db 100644
--- a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
+++ b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
@@ -658,6 +658,56 @@
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;