Merge "More dvr display test." into pi-dev (8ec1b406) · Commits · e / os / platform_frameworks_native

libs/vr/libdvr/tests/dvr_api_test.h

+2 −4

Original line number	Diff line number	Diff line
		@@ -3,8 +3,6 @@

		#include <gtest/gtest.h>

		#define ASSERT_NOT_NULL(x) ASSERT_TRUE((x) != nullptr)

		/** DvrTestBase loads the libdvr.so at runtime and get the Dvr API version 1. */
		class DvrApiTest : public ::testing::Test {
		protected:
		@@ -17,11 +15,11 @@ class DvrApiTest : public ::testing::Test {
		// https://github.com/android-ndk/ndk/issues/360
		flags \|= RTLD_NODELETE;
		platform_handle_ = dlopen("libdvr.so", flags);
		ASSERT_NOT_NULL(platform_handle_) << "Dvr shared library missing.";
		ASSERT_NE(nullptr, platform_handle_) << "Dvr shared library missing.";

		auto dvr_get_api = reinterpret_cast<decltype(&dvrGetApi)>(
		dlsym(platform_handle_, "dvrGetApi"));
		ASSERT_NOT_NULL(dvr_get_api) << "Platform library missing dvrGetApi.";
		ASSERT_NE(nullptr, dvr_get_api) << "Platform library missing dvrGetApi.";

		ASSERT_EQ(dvr_get_api(&api_, sizeof(api_), /version=/1), 0)
		<< "Unable to find compatible Dvr API.";

libs/vr/libdvr/tests/dvr_display-test.cpp

+277 −47

Original line number	Diff line number	Diff line
		@@ -16,20 +16,58 @@

		class DvrDisplayTest : public DvrApiTest {
		protected:
		void SetUp() override {
		DvrApiTest::SetUp();
		int ret = api_.GetNativeDisplayMetrics(sizeof(display_metrics_),
		&display_metrics_);
		ASSERT_EQ(ret, 0) << "Failed to get display metrics.";
		ALOGD(
		"display_width: %d, display_height: %d, display_x_dpi: %d, "
		"display_y_dpi: %d, vsync_period_ns: %d.",
		display_metrics_.display_width, display_metrics_.display_height,
		display_metrics_.display_x_dpi, display_metrics_.display_y_dpi,
		display_metrics_.vsync_period_ns);
		}

		void TearDown() override {
		if (write_queue_ != nullptr) {
		api_.WriteBufferQueueDestroy(write_queue_);
		write_queue_ = nullptr;
		}
		if (direct_surface_ != nullptr) {
		api_.SurfaceDestroy(direct_surface_);
		direct_surface_ = nullptr;
		}
		DvrApiTest::TearDown();
		}

		/* Convert a write buffer to an android hardware buffer and fill in
		* color_textures evenly to the buffer.
		* AssertionError if the width of the buffer is not equal to the input width,
		* AssertionError if the height of the buffer is not equal to the input
		* height.
		*/
		void FillWriteBuffer(DvrWriteBuffer* write_buffer,
		const std::vector<uint32_t>& color_textures,
		uint32_t width, uint32_t height);

		// Write buffer queue properties.
		static constexpr uint64_t kUsage = AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE \|
		AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT \|
		AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN;
		uint32_t kFormat = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
		static constexpr size_t kMetadataSize = 0;
		static constexpr int kTimeoutMs = 1000; // Time for getting buffer.
		uint32_t kLayerCount = 1;
		DvrWriteBufferQueue* write_queue_ = nullptr;
		DvrSurface* direct_surface_ = nullptr;

		// Device display properties.
		DvrNativeDisplayMetrics display_metrics_;
		};

		TEST_F(DvrDisplayTest, DisplaySingleColor) {
		// Create direct surface.
		DvrSurface* direct_surface = nullptr;
		TEST_F(DvrDisplayTest, DisplayWithOneBuffer) {
		// Create a direct surface.
		std::vector<DvrSurfaceAttribute> direct_surface_attributes = {
		{.key = DVR_SURFACE_ATTRIBUTE_DIRECT,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		@@ -43,79 +81,271 @@ TEST_F(DvrDisplayTest, DisplaySingleColor) {
		};
		int ret =
		api_.SurfaceCreate(direct_surface_attributes.data(),
		direct_surface_attributes.size(), &direct_surface);
		direct_surface_attributes.size(), &direct_surface_);
		ASSERT_EQ(ret, 0) << "Failed to create direct surface.";

		// Get screen dimension.
		DvrNativeDisplayMetrics display_metrics;
		ret = api_.GetNativeDisplayMetrics(sizeof(display_metrics), &display_metrics);
		ASSERT_EQ(ret, 0) << "Failed to get display metrics.";
		ALOGD(
		"display_width: %d, display_height: %d, display_x_dpi: %d, "
		"display_y_dpi: %d, vsync_period_ns: %d.",
		display_metrics.display_width, display_metrics.display_height,
		display_metrics.display_x_dpi, display_metrics.display_y_dpi,
		display_metrics.vsync_period_ns);

		// Create a buffer queue with the direct surface.
		constexpr uint32_t kLayerCount = 1;
		constexpr uint64_t kUsage = AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE \|
		AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT \|
		AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN;
		constexpr uint32_t kFormat = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
		constexpr size_t kCapacity = 1;
		constexpr size_t kMetadataSize = 0;
		uint32_t width = display_metrics.display_width;
		uint32_t height = display_metrics.display_height;
		uint32_t width = display_metrics_.display_width;
		uint32_t height = display_metrics_.display_height;
		ret = api_.SurfaceCreateWriteBufferQueue(
		direct_surface, width, height, kFormat, kLayerCount, kUsage, kCapacity,
		direct_surface_, width, height, kFormat, kLayerCount, kUsage, kCapacity,
		kMetadataSize, &write_queue_);
		EXPECT_EQ(0, ret) << "Failed to create buffer queue.";
		ASSERT_NOT_NULL(write_queue_) << "Write buffer queue should not be null.";
		ASSERT_NE(nullptr, write_queue_) << "Write buffer queue should not be null.";

		// Get buffer from WriteBufferQueue.
		DvrWriteBuffer* write_buffer = nullptr;
		constexpr int kTimeoutMs = 1000;
		DvrNativeBufferMetadata out_meta;
		int out_fence_fd = -1;
		ret = api_.WriteBufferQueueGainBuffer(write_queue_, kTimeoutMs, &write_buffer,
		&out_meta, &out_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to get the buffer.";
		ASSERT_NOT_NULL(write_buffer) << "Gained buffer should not be null.";
		ASSERT_NE(nullptr, write_buffer) << "Gained buffer should not be null.";

		// Color the write buffer.
		FillWriteBuffer(write_buffer,
		{0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000},
		width, height);

		// Post buffer.
		int ready_fence_fd = -1;
		ret = api_.WriteBufferQueuePostBuffer(write_queue_, write_buffer, &out_meta,
		ready_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to post the buffer.";

		sleep(5); // For visual check on the device under test.
		// Should observe three primary colors on the screen center.
		}

		TEST_F(DvrDisplayTest, DisplayWithDoubleBuffering) {
		// Create a direct surface.
		std::vector<DvrSurfaceAttribute> direct_surface_attributes = {
		{.key = DVR_SURFACE_ATTRIBUTE_DIRECT,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		{.key = DVR_SURFACE_ATTRIBUTE_Z_ORDER,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_INT32,
		.value.int32_value = 10},
		{.key = DVR_SURFACE_ATTRIBUTE_VISIBLE,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		};
		int ret =
		api_.SurfaceCreate(direct_surface_attributes.data(),
		direct_surface_attributes.size(), &direct_surface_);
		ASSERT_EQ(ret, 0) << "Failed to create direct surface.";

		// Convert to an android hardware buffer.
		AHardwareBuffer* ah_buffer{nullptr};
		ret = api_.WriteBufferGetAHardwareBuffer(write_buffer, &ah_buffer);
		EXPECT_EQ(0, ret) << "Failed to get a hardware buffer from the write buffer.";
		ASSERT_NOT_NULL(ah_buffer) << "AHardware buffer should not be null.";
		// Create a buffer queue with the direct surface.
		constexpr size_t kCapacity = 2;
		uint32_t width = display_metrics_.display_width;
		uint32_t height = display_metrics_.display_height;
		ret = api_.SurfaceCreateWriteBufferQueue(
		direct_surface_, width, height, kFormat, kLayerCount, kUsage, kCapacity,
		kMetadataSize, &write_queue_);
		EXPECT_EQ(0, ret) << "Failed to create buffer queue.";
		ASSERT_NE(nullptr, write_queue_) << "Write buffer queue should not be null.";

		int num_display_cycles_in_5s = 5 / (display_metrics_.vsync_period_ns / 1e9);
		ALOGD("The number of display cycles: %d", num_display_cycles_in_5s);
		int bufferhub_id_prev_write_buffer = -1;
		for (int i = 0; i < num_display_cycles_in_5s; ++i) {
		// Get a buffer from the WriteBufferQueue.
		DvrWriteBuffer* write_buffer = nullptr;
		DvrNativeBufferMetadata out_meta;
		int out_fence_fd = -1;
		ret = api_.WriteBufferQueueGainBuffer(
		write_queue_, kTimeoutMs, &write_buffer, &out_meta, &out_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to get the a write buffer.";
		ASSERT_NE(nullptr, write_buffer) << "The gained buffer should not be null.";

		int bufferhub_id = api_.WriteBufferGetId(write_buffer);
		ALOGD("Display cycle: %d, bufferhub id of the write buffer: %d", i,
		bufferhub_id);
		EXPECT_NE(bufferhub_id_prev_write_buffer, bufferhub_id)
		<< "Double buffering should be using the two buffers in turns, not "
		"reusing the same write buffer.";
		bufferhub_id_prev_write_buffer = bufferhub_id;

		// Color the write buffer.
		if (i % 2) {
		FillWriteBuffer(write_buffer, {0xffff0000, 0xff00ff00, 0xff0000ff}, width,
		height);
		} else {
		FillWriteBuffer(write_buffer, {0xff00ff00, 0xff0000ff, 0xffff0000}, width,
		height);
		}

		// Post the write buffer.
		int ready_fence_fd = -1;
		ret = api_.WriteBufferQueuePostBuffer(write_queue_, write_buffer, &out_meta,
		ready_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to post the buffer.";
		}
		// Should observe blinking screen in secondary colors
		// although it is actually displaying primary colors.
		}

		TEST_F(DvrDisplayTest, DisplayWithTwoHardwareLayers) {
		// Create the direct_surface_0 of z order 10 and direct_surface_1 of z
		// order 11.
		DvrSurface* direct_surface_0 = nullptr;
		std::vector<DvrSurfaceAttribute> direct_surface_0_attributes = {
		{.key = DVR_SURFACE_ATTRIBUTE_DIRECT,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		{.key = DVR_SURFACE_ATTRIBUTE_Z_ORDER,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_INT32,
		.value.int32_value = 10},
		{.key = DVR_SURFACE_ATTRIBUTE_VISIBLE,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		};
		int ret =
		api_.SurfaceCreate(direct_surface_0_attributes.data(),
		direct_surface_0_attributes.size(), &direct_surface_0);
		EXPECT_EQ(ret, 0) << "Failed to create direct surface.";

		DvrSurface* direct_surface_1 = nullptr;
		std::vector<DvrSurfaceAttribute> direct_surface_1_attributes = {
		{.key = DVR_SURFACE_ATTRIBUTE_DIRECT,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		{.key = DVR_SURFACE_ATTRIBUTE_Z_ORDER,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_INT32,
		.value.int32_value = 11},
		{.key = DVR_SURFACE_ATTRIBUTE_VISIBLE,
		.value.type = DVR_SURFACE_ATTRIBUTE_TYPE_BOOL,
		.value.bool_value = true},
		};
		ret =
		api_.SurfaceCreate(direct_surface_1_attributes.data(),
		direct_surface_1_attributes.size(), &direct_surface_1);
		EXPECT_EQ(ret, 0) << "Failed to create direct surface.";

		// Create a buffer queue for each of the direct surfaces.
		constexpr size_t kCapacity = 1;
		uint32_t width = display_metrics_.display_width;
		uint32_t height = display_metrics_.display_height;

		DvrWriteBufferQueue* write_queue_0 = nullptr;
		ret = api_.SurfaceCreateWriteBufferQueue(
		direct_surface_0, width, height, kFormat, kLayerCount, kUsage, kCapacity,
		kMetadataSize, &write_queue_0);
		EXPECT_EQ(0, ret) << "Failed to create buffer queue.";
		EXPECT_NE(nullptr, write_queue_0) << "Write buffer queue should not be null.";

		DvrWriteBufferQueue* write_queue_1 = nullptr;
		ret = api_.SurfaceCreateWriteBufferQueue(
		direct_surface_1, width, height, kFormat, kLayerCount, kUsage, kCapacity,
		kMetadataSize, &write_queue_1);
		EXPECT_EQ(0, ret) << "Failed to create buffer queue.";
		EXPECT_NE(nullptr, write_queue_1) << "Write buffer queue should not be null.";

		// Get a buffer from each of the write buffer queues.
		DvrWriteBuffer* write_buffer_0 = nullptr;
		DvrNativeBufferMetadata out_meta_0;
		int out_fence_fd = -1;
		ret = api_.WriteBufferQueueGainBuffer(
		write_queue_0, kTimeoutMs, &write_buffer_0, &out_meta_0, &out_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to get the buffer.";
		EXPECT_NE(nullptr, write_buffer_0) << "Gained buffer should not be null.";

		DvrWriteBuffer* write_buffer_1 = nullptr;
		DvrNativeBufferMetadata out_meta_1;
		out_fence_fd = -1;
		ret = api_.WriteBufferQueueGainBuffer(
		write_queue_1, kTimeoutMs, &write_buffer_1, &out_meta_1, &out_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to get the buffer.";
		EXPECT_NE(nullptr, write_buffer_1) << "Gained buffer should not be null.";

		// Color the write buffers.
		FillWriteBuffer(write_buffer_0, {0xffff0000, 0xff00ff00, 0xff0000ff}, width,
		height);
		FillWriteBuffer(write_buffer_1, {0x7f00ff00, 0x7f0000ff, 0x7fff0000}, width,
		height);

		// Post buffers.
		int ready_fence_fd = -1;
		ret = api_.WriteBufferQueuePostBuffer(write_queue_0, write_buffer_0,
		&out_meta_0, ready_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to post the buffer.";

		ready_fence_fd = -1;
		ret = api_.WriteBufferQueuePostBuffer(write_queue_1, write_buffer_1,
		&out_meta_1, ready_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to post the buffer.";

		sleep(5); // For visual check on the device under test.
		// Should observe three secondary colors.

		// Test finished. Clean up buffers and surfaces.
		if (write_queue_0 != nullptr) {
		api_.WriteBufferQueueDestroy(write_queue_0);
		write_queue_0 = nullptr;
		}
		if (write_queue_1 != nullptr) {
		api_.WriteBufferQueueDestroy(write_queue_1);
		write_queue_1 = nullptr;
		}
		if (direct_surface_0 != nullptr) {
		api_.SurfaceDestroy(direct_surface_0);
		}
		if (direct_surface_1 != nullptr) {
		api_.SurfaceDestroy(direct_surface_1);
		}
		}

		void DvrDisplayTest::FillWriteBuffer(
		DvrWriteBuffer* write_buffer, const std::vector<uint32_t>& color_textures,
		uint32_t width, uint32_t height) {
		uint32_t num_colors = color_textures.size();
		// Convert the first write buffer to an android hardware buffer.
		AHardwareBuffer* ah_buffer = nullptr;
		int ret = api_.WriteBufferGetAHardwareBuffer(write_buffer, &ah_buffer);
		ASSERT_EQ(0, ret) << "Failed to get a hardware buffer from the write buffer.";
		ASSERT_NE(nullptr, ah_buffer) << "AHardware buffer should not be null.";
		AHardwareBuffer_Desc ah_buffer_describe;
		AHardwareBuffer_describe(ah_buffer, &ah_buffer_describe);
		ASSERT_EQ(ah_buffer_describe.format, kFormat)
		<< "The format of the android hardware buffer is wrong.";
		ASSERT_EQ(ah_buffer_describe.layers, kLayerCount)
		<< "The obtained android hardware buffer should have 2 layers.";
		ASSERT_EQ(ah_buffer_describe.width, width)
		<< "The obtained android hardware buffer width is wrong.";
		ASSERT_EQ(ah_buffer_describe.height, height)
		<< "The obtained android hardware buffer height is wrong.";
		// Change the content of the android hardware buffer.
		void* buffer_data{nullptr};
		void* buffer_data = nullptr;
		int32_t fence = -1;
		ret = AHardwareBuffer_lock(ah_buffer, AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
		fence, nullptr, &buffer_data);
		EXPECT_EQ(0, ret) << "Failed to lock the hardware buffer.";
		ASSERT_NOT_NULL(buffer_data) << "Buffer data should not be null.";
		ASSERT_EQ(0, ret) << "Failed to lock the hardware buffer.";
		ASSERT_NE(nullptr, buffer_data) << "Buffer data should not be null.";

		uint32_t color_texture = 0xff0000ff; // Red color in RGBA.
		for (uint32_t i = 0; i < width * height; ++i) {
		uint32_t num_pixels = width * height / num_colors;
		for (uint32_t color_index = 0; color_index < num_colors - 1; ++color_index) {
		uint32_t color_texture = color_textures[color_index];
		for (uint32_t i = 0; i < num_pixels; ++i) {
		memcpy(reinterpret_cast<void*>(reinterpret_cast<int64_t>(buffer_data) +
		i * sizeof(color_texture)),
		(i + num_pixels * color_index) *
		sizeof(color_texture)),
		&color_texture, sizeof(color_texture));
		}
		}
		uint32_t color_texture = color_textures[num_colors - 1];
		uint32_t num_colored_pixels = num_pixels * (num_colors - 1);
		num_pixels = width * height - num_colored_pixels;
		for (uint32_t i = 0; i < num_pixels; ++i) {
		memcpy(reinterpret_cast<void*>(reinterpret_cast<int64_t>(buffer_data) +
		(i + num_colored_pixels) *
		sizeof(color_texture)),
		&color_texture, sizeof(color_texture));
		}

		fence = -1;
		ret = AHardwareBuffer_unlock(ah_buffer, &fence);
		EXPECT_EQ(0, ret) << "Failed to unlock the hardware buffer.";

		// Release the android hardware buffer.
		AHardwareBuffer_release(ah_buffer);

		// Post buffer.
		int ready_fence_fd = -1;
		ret = api_.WriteBufferQueuePostBuffer(write_queue_, write_buffer, &out_meta,
		ready_fence_fd);
		EXPECT_EQ(0, ret) << "Failed to post the buffer.";

		sleep(5); // For visual check on the device under test.
		}