graphics: add a basic test for IMapper::lockFlex (c2e949ec) · Commits · e / os / android_hardware_interfaces

graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp

+68 −0

Original line number	Diff line number	Diff line
		@@ -156,6 +156,74 @@ TEST_F(GraphicsMapperHidlTest, LockBasic) {
		}
		}

		/**
		* Test IMapper::lockFlex. This locks a YV12 buffer, and makes sure we can
		* write to and read from it.
		*/
		TEST_F(GraphicsMapperHidlTest, LockFlexBasic) {
		auto info = mDummyDescriptorInfo;
		info.format = PixelFormat::YV12;

		const native_handle_t* buffer;
		ASSERT_NO_FATAL_FAILURE(buffer = mMapper->allocate(mAllocatorClient, info));

		// lock buffer for writing
		const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
		static_cast<int32_t>(info.height)};
		int fence = -1;
		FlexLayout layout;
		ASSERT_NO_FATAL_FAILURE(
		layout =
		mMapper->lockFlex(buffer, info.producerUsageMask, 0, region, fence));
		ASSERT_EQ(FlexFormat::YCBCR, layout.format);
		ASSERT_EQ(3u, layout.planes.size());

		const auto y_stride = layout.planes[0].vIncrement;
		const auto c_stride = layout.planes[1].vIncrement;
		auto y_data = static_cast<uint8_t*>(layout.planes[0].topLeft);
		auto cb_data = static_cast<uint8_t*>(layout.planes[1].topLeft);
		auto cr_data = static_cast<uint8_t*>(layout.planes[2].topLeft);

		for (uint32_t y = 0; y < info.height; y++) {
		for (uint32_t x = 0; x < info.width; x++) {
		auto val = static_cast<uint8_t>(info.height * y + x);

		y_data[y_stride * y + x] = val;
		if (y % 2 == 0 && x % 2 == 0) {
		cb_data[c_stride * y / 2 + x / 2] = val;
		cr_data[c_stride * y / 2 + x / 2] = val;
		}
		}
		}

		ASSERT_NO_FATAL_FAILURE(fence = mMapper->unlock(buffer));

		// lock buffer for reading
		ASSERT_NO_FATAL_FAILURE(
		layout =
		mMapper->lockFlex(buffer, 0, info.consumerUsageMask, region, fence));

		y_data = static_cast<uint8_t*>(layout.planes[0].topLeft);
		cb_data = static_cast<uint8_t*>(layout.planes[1].topLeft);
		cr_data = static_cast<uint8_t*>(layout.planes[2].topLeft);
		for (uint32_t y = 0; y < info.height; y++) {
		for (uint32_t x = 0; x < info.width; x++) {
		auto val = static_cast<uint8_t>(info.height * y + x);

		EXPECT_EQ(val, y_data[y_stride * y + x]);
		if (y % 2 == 0 && x % 2 == 0) {
		EXPECT_EQ(val, cb_data[c_stride * y / 2 + x / 2]);
		EXPECT_EQ(val, cr_data[c_stride * y / 2 + x / 2]);
		}
		}
		}

		ASSERT_NO_FATAL_FAILURE(fence = mMapper->unlock(buffer));
		if (fence >= 0) {
		close(fence);
		}
		}

		} // namespace anonymous
		} // namespace tests
		} // namespace V2_0