graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp

/**
 * Copyright (c) 2022, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <aidl/Gtest.h>
#include <aidl/Vintf.h>
#include <aidl/android/hardware/graphics/common/BlendMode.h>
#include <aidl/android/hardware/graphics/common/BufferUsage.h>
#include <aidl/android/hardware/graphics/common/FRect.h>
#include <aidl/android/hardware/graphics/common/PixelFormat.h>
#include <aidl/android/hardware/graphics/common/Rect.h>
#include <aidl/android/hardware/graphics/composer3/Composition.h>
#include <aidl/android/hardware/graphics/composer3/IComposer.h>
#include <android-base/properties.h>
#include <android/binder_process.h>
#include <android/hardware/graphics/composer3/ComposerClientReader.h>
#include <android/hardware/graphics/composer3/ComposerClientWriter.h>
#include <binder/ProcessState.h>
#include <gtest/gtest.h>
#include <ui/Fence.h>
#include <ui/GraphicBuffer.h>
#include <ui/PixelFormat.h>
#include <algorithm>
#include <numeric>
#include <string>
#include <thread>
#include "GraphicsComposerCallback.h"
#include "VtsComposerClient.h"

#undef LOG_TAG
#define LOG_TAG "VtsHalGraphicsComposer3_TargetTest"

namespace aidl::android::hardware::graphics::composer3::vts {
namespace {

using namespace std::chrono_literals;

using ::android::GraphicBuffer;
using ::android::sp;

class GraphicsComposerAidlTest : public ::testing::TestWithParam<std::string> {
  protected:
    void SetUp() override {
        mComposerClient = std::make_unique<VtsComposerClient>(GetParam());
        ASSERT_TRUE(mComposerClient->createClient().isOk());

        const auto& [status, displays] = mComposerClient->getDisplays();
        ASSERT_TRUE(status.isOk());
        mDisplays = displays;

        // explicitly disable vsync
        for (const auto& display : mDisplays) {
            EXPECT_TRUE(mComposerClient->setVsync(display.getDisplayId(), false).isOk());
        }
        mComposerClient->setVsyncAllowed(false);
    }

    void TearDown() override {
        ASSERT_TRUE(mComposerClient->tearDown());
        mComposerClient.reset();
    }

    void Test_setContentTypeForDisplay(int64_t display,
                                       const std::vector<ContentType>& supportedContentTypes,
                                       ContentType contentType, const char* contentTypeStr) {
        const bool contentTypeSupport =
                std::find(supportedContentTypes.begin(), supportedContentTypes.end(),
                          contentType) != supportedContentTypes.end();

        if (!contentTypeSupport) {
            const auto& status = mComposerClient->setContentType(display, contentType);
            EXPECT_FALSE(status.isOk());
            EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, status.getServiceSpecificError());
            GTEST_SUCCEED() << contentTypeStr << " content type is not supported on display "
                            << std::to_string(display) << ", skipping test";
            return;
        }

        EXPECT_TRUE(mComposerClient->setContentType(display, contentType).isOk());
        EXPECT_TRUE(mComposerClient->setContentType(display, ContentType::NONE).isOk());
    }

    void Test_setContentType(ContentType contentType, const char* contentTypeStr) {
        for (const auto& display : mDisplays) {
            const auto& [status, supportedContentTypes] =
                    mComposerClient->getSupportedContentTypes(display.getDisplayId());
            EXPECT_TRUE(status.isOk());
            Test_setContentTypeForDisplay(display.getDisplayId(), supportedContentTypes,
                                          contentType, contentTypeStr);
        }
    }

    bool hasCapability(Capability capability) {
        const auto& [status, capabilities] = mComposerClient->getCapabilities();
        EXPECT_TRUE(status.isOk());
        return std::any_of(
                capabilities.begin(), capabilities.end(),
                [&](const Capability& activeCapability) { return activeCapability == capability; });
    }

    const VtsDisplay& getPrimaryDisplay() const { return mDisplays[0]; }

    int64_t getPrimaryDisplayId() const { return getPrimaryDisplay().getDisplayId(); }

    int64_t getInvalidDisplayId() const { return mComposerClient->getInvalidDisplayId(); }

    VtsDisplay& getEditablePrimaryDisplay() { return mDisplays[0]; }

    struct TestParameters {
        nsecs_t delayForChange;
        bool refreshMiss;
    };

    std::unique_ptr<VtsComposerClient> mComposerClient;
    std::vector<VtsDisplay> mDisplays;
    // use the slot count usually set by SF
    static constexpr uint32_t kBufferSlotCount = 64;
};

TEST_P(GraphicsComposerAidlTest, GetDisplayCapabilities_BadDisplay) {
    const auto& [status, _] = mComposerClient->getDisplayCapabilities(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayCapabilities) {
    for (const auto& display : mDisplays) {
        const auto& [status, capabilities] =
                mComposerClient->getDisplayCapabilities(display.getDisplayId());

        EXPECT_TRUE(status.isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, DumpDebugInfo) {
    ASSERT_TRUE(mComposerClient->dumpDebugInfo().isOk());
}

TEST_P(GraphicsComposerAidlTest, CreateClientSingleton) {
    std::shared_ptr<IComposerClient> composerClient;
    const auto& status = mComposerClient->createClient();

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_NO_RESOURCES, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayIdentificationData) {
    const auto& [status0, displayIdentification0] =
            mComposerClient->getDisplayIdentificationData(getPrimaryDisplayId());
    if (!status0.isOk() && status0.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        GTEST_SUCCEED() << "Display identification data not supported, skipping test";
        return;
    }
    ASSERT_TRUE(status0.isOk()) << "failed to get display identification data";
    ASSERT_FALSE(displayIdentification0.data.empty());

    constexpr size_t kEdidBlockSize = 128;
    ASSERT_TRUE(displayIdentification0.data.size() % kEdidBlockSize == 0)
            << "EDID blob length is not a multiple of " << kEdidBlockSize;

    const uint8_t kEdidHeader[] = {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00};
    ASSERT_TRUE(std::equal(std::begin(kEdidHeader), std::end(kEdidHeader),
                           displayIdentification0.data.begin()))
            << "EDID blob doesn't start with the fixed EDID header";
    ASSERT_EQ(0, std::accumulate(displayIdentification0.data.begin(),
                                 displayIdentification0.data.begin() + kEdidBlockSize,
                                 static_cast<uint8_t>(0)))
            << "EDID base block doesn't checksum";

    const auto& [status1, displayIdentification1] =
            mComposerClient->getDisplayIdentificationData(getPrimaryDisplayId());
    ASSERT_TRUE(status1.isOk());

    ASSERT_EQ(displayIdentification0.port, displayIdentification1.port) << "ports are not stable";
    ASSERT_TRUE(displayIdentification0.data.size() == displayIdentification1.data.size() &&
                std::equal(displayIdentification0.data.begin(), displayIdentification0.data.end(),
                           displayIdentification1.data.begin()))
            << "data is not stable";
}

TEST_P(GraphicsComposerAidlTest, GetHdrCapabilities) {
    const auto& [status, hdrCapabilities] =
            mComposerClient->getHdrCapabilities(getPrimaryDisplayId());

    ASSERT_TRUE(status.isOk());
    EXPECT_TRUE(hdrCapabilities.maxLuminance >= hdrCapabilities.minLuminance);
}

TEST_P(GraphicsComposerAidlTest, GetPerFrameMetadataKeys) {
    const auto& [status, keys] = mComposerClient->getPerFrameMetadataKeys(getPrimaryDisplayId());
    if (!status.isOk() && status.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        GTEST_SUCCEED() << "getPerFrameMetadataKeys is not supported";
        return;
    }

    ASSERT_TRUE(status.isOk());
    EXPECT_TRUE(keys.size() >= 0);
}

TEST_P(GraphicsComposerAidlTest, GetReadbackBufferAttributes) {
    const auto& [status, _] = mComposerClient->getReadbackBufferAttributes(getPrimaryDisplayId());
    if (!status.isOk() && status.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        GTEST_SUCCEED() << "getReadbackBufferAttributes is not supported";
        return;
    }

    ASSERT_TRUE(status.isOk());
}

TEST_P(GraphicsComposerAidlTest, GetRenderIntents) {
    const auto& [status, modes] = mComposerClient->getColorModes(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());

    for (auto mode : modes) {
        const auto& [intentStatus, intents] =
                mComposerClient->getRenderIntents(getPrimaryDisplayId(), mode);
        EXPECT_TRUE(intentStatus.isOk());
        bool isHdr;
        switch (mode) {
            case ColorMode::BT2100_PQ:
            case ColorMode::BT2100_HLG:
                isHdr = true;
                break;
            default:
                isHdr = false;
                break;
        }
        RenderIntent requiredIntent =
                isHdr ? RenderIntent::TONE_MAP_COLORIMETRIC : RenderIntent::COLORIMETRIC;

        const auto iter = std::find(intents.cbegin(), intents.cend(), requiredIntent);
        EXPECT_NE(intents.cend(), iter);
    }
}

TEST_P(GraphicsComposerAidlTest, GetRenderIntents_BadDisplay) {
    const auto& [status, modes] = mComposerClient->getColorModes(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    for (auto mode : modes) {
        const auto& [intentStatus, _] =
                mComposerClient->getRenderIntents(getInvalidDisplayId(), mode);

        EXPECT_FALSE(intentStatus.isOk());
        EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, intentStatus.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, GetRenderIntents_BadParameter) {
    const auto& [status, _] =
            mComposerClient->getRenderIntents(getPrimaryDisplayId(), static_cast<ColorMode>(-1));

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetColorModes) {
    const auto& [status, colorModes] = mComposerClient->getColorModes(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    const auto native = std::find(colorModes.cbegin(), colorModes.cend(), ColorMode::NATIVE);
    EXPECT_NE(colorModes.cend(), native);
}

TEST_P(GraphicsComposerAidlTest, GetColorMode_BadDisplay) {
    const auto& [status, _] = mComposerClient->getColorModes(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetColorMode) {
    const auto& [status, colorModes] = mComposerClient->getColorModes(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());

    for (auto mode : colorModes) {
        const auto& [intentStatus, intents] =
                mComposerClient->getRenderIntents(getPrimaryDisplayId(), mode);
        EXPECT_TRUE(intentStatus.isOk()) << "failed to get render intents";

        for (auto intent : intents) {
            const auto modeStatus =
                    mComposerClient->setColorMode(getPrimaryDisplayId(), mode, intent);
            EXPECT_TRUE(modeStatus.isOk() ||
                        IComposerClient::EX_UNSUPPORTED == modeStatus.getServiceSpecificError())
                    << "failed to set color mode";
        }
    }

    const auto modeStatus = mComposerClient->setColorMode(getPrimaryDisplayId(), ColorMode::NATIVE,
                                                          RenderIntent::COLORIMETRIC);
    EXPECT_TRUE(modeStatus.isOk() ||
                IComposerClient::EX_UNSUPPORTED == modeStatus.getServiceSpecificError())
            << "failed to set color mode";
}

TEST_P(GraphicsComposerAidlTest, SetColorMode_BadDisplay) {
    const auto& [status, colorModes] = mComposerClient->getColorModes(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    for (auto mode : colorModes) {
        const auto& [intentStatus, intents] =
                mComposerClient->getRenderIntents(getPrimaryDisplayId(), mode);
        ASSERT_TRUE(intentStatus.isOk()) << "failed to get render intents";

        for (auto intent : intents) {
            auto const modeStatus =
                    mComposerClient->setColorMode(getInvalidDisplayId(), mode, intent);

            EXPECT_FALSE(modeStatus.isOk());
            EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, modeStatus.getServiceSpecificError());
        }
    }
}

TEST_P(GraphicsComposerAidlTest, SetColorMode_BadParameter) {
    auto status = mComposerClient->setColorMode(getPrimaryDisplayId(), static_cast<ColorMode>(-1),
                                                RenderIntent::COLORIMETRIC);

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());

    status = mComposerClient->setColorMode(getPrimaryDisplayId(), ColorMode::NATIVE,
                                           static_cast<RenderIntent>(-1));

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayedContentSamplingAttributes) {
    int constexpr kInvalid = -1;
    const auto& [status, format] =
            mComposerClient->getDisplayedContentSamplingAttributes(getPrimaryDisplayId());

    if (!status.isOk() && status.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        SUCCEED() << "Device does not support optional extension. Test skipped";
        return;
    }

    ASSERT_TRUE(status.isOk());
    EXPECT_NE(kInvalid, static_cast<int>(format.format));
    EXPECT_NE(kInvalid, static_cast<int>(format.dataspace));
    EXPECT_NE(kInvalid, static_cast<int>(format.componentMask));
};

TEST_P(GraphicsComposerAidlTest, SetDisplayedContentSamplingEnabled) {
    int constexpr kMaxFrames = 10;
    FormatColorComponent enableAllComponents = FormatColorComponent::FORMAT_COMPONENT_0;
    auto status = mComposerClient->setDisplayedContentSamplingEnabled(
            getPrimaryDisplayId(), /*isEnabled*/ true, enableAllComponents, kMaxFrames);
    if (!status.isOk() && status.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        SUCCEED() << "Device does not support optional extension. Test skipped";
        return;
    }
    EXPECT_TRUE(status.isOk());

    status = mComposerClient->setDisplayedContentSamplingEnabled(
            getPrimaryDisplayId(), /*isEnabled*/ false, enableAllComponents, kMaxFrames);
    EXPECT_TRUE(status.isOk());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayedContentSample) {
    const auto& [status, displayContentSamplingAttributes] =
            mComposerClient->getDisplayedContentSamplingAttributes(getPrimaryDisplayId());
    if (!status.isOk() && status.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        SUCCEED() << "Sampling attributes aren't supported on this device, test skipped";
        return;
    }

    int64_t constexpr kMaxFrames = 10;
    int64_t constexpr kTimestamp = 0;
    const auto& [sampleStatus, displayContentSample] = mComposerClient->getDisplayedContentSample(
            getPrimaryDisplayId(), kMaxFrames, kTimestamp);
    if (!sampleStatus.isOk() &&
        sampleStatus.getServiceSpecificError() == IComposerClient::EX_UNSUPPORTED) {
        SUCCEED() << "Device does not support optional extension. Test skipped";
        return;
    }

    EXPECT_TRUE(sampleStatus.isOk());
    const std::vector<std::vector<int64_t>> histogram = {
            displayContentSample.sampleComponent0, displayContentSample.sampleComponent1,
            displayContentSample.sampleComponent2, displayContentSample.sampleComponent3};

    for (size_t i = 0; i < histogram.size(); i++) {
        const bool shouldHaveHistogram =
                static_cast<int>(displayContentSamplingAttributes.componentMask) & (1 << i);
        EXPECT_EQ(shouldHaveHistogram, !histogram[i].empty());
    }
}

TEST_P(GraphicsComposerAidlTest, GetDisplayConnectionType) {
    const auto& [status, type] = mComposerClient->getDisplayConnectionType(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());

    for (const auto& display : mDisplays) {
        const auto& [connectionTypeStatus, _] =
                mComposerClient->getDisplayConnectionType(display.getDisplayId());
        EXPECT_TRUE(connectionTypeStatus.isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, GetDisplayAttribute) {
    for (const auto& display : mDisplays) {
        const auto& [status, configs] = mComposerClient->getDisplayConfigs(display.getDisplayId());
        EXPECT_TRUE(status.isOk());

        for (const auto& config : configs) {
            const std::array<DisplayAttribute, 4> requiredAttributes = {{
                    DisplayAttribute::WIDTH,
                    DisplayAttribute::HEIGHT,
                    DisplayAttribute::VSYNC_PERIOD,
                    DisplayAttribute::CONFIG_GROUP,
            }};
            for (const auto& attribute : requiredAttributes) {
                const auto& [attribStatus, value] = mComposerClient->getDisplayAttribute(
                        display.getDisplayId(), config, attribute);
                EXPECT_TRUE(attribStatus.isOk());
                EXPECT_NE(-1, value);
            }

            const std::array<DisplayAttribute, 2> optionalAttributes = {{
                    DisplayAttribute::DPI_X,
                    DisplayAttribute::DPI_Y,
            }};
            for (const auto& attribute : optionalAttributes) {
                const auto& [attribStatus, value] = mComposerClient->getDisplayAttribute(
                        display.getDisplayId(), config, attribute);
                EXPECT_TRUE(attribStatus.isOk() || IComposerClient::EX_UNSUPPORTED ==
                                                           attribStatus.getServiceSpecificError());
            }
        }
    }
}

TEST_P(GraphicsComposerAidlTest, CheckConfigsAreValid) {
    for (const auto& display : mDisplays) {
        const auto& [status, configs] = mComposerClient->getDisplayConfigs(display.getDisplayId());
        EXPECT_TRUE(status.isOk());

        EXPECT_FALSE(std::any_of(configs.begin(), configs.end(), [](auto config) {
            return config == IComposerClient::INVALID_CONFIGURATION;
        }));
    }
}

TEST_P(GraphicsComposerAidlTest, GetDisplayVsyncPeriod_BadDisplay) {
    const auto& [status, vsyncPeriodNanos] =
            mComposerClient->getDisplayVsyncPeriod(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetActiveConfigWithConstraints_BadDisplay) {
    VsyncPeriodChangeConstraints constraints;
    constraints.seamlessRequired = false;
    constraints.desiredTimeNanos = systemTime();
    auto invalidDisplay = VtsDisplay(getInvalidDisplayId());

    const auto& [status, timeline] = mComposerClient->setActiveConfigWithConstraints(
            &invalidDisplay, /*config*/ 0, constraints);

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetActiveConfigWithConstraints_BadConfig) {
    VsyncPeriodChangeConstraints constraints;
    constraints.seamlessRequired = false;
    constraints.desiredTimeNanos = systemTime();

    for (VtsDisplay& display : mDisplays) {
        int32_t constexpr kInvalidConfigId = IComposerClient::INVALID_CONFIGURATION;
        const auto& [status, _] = mComposerClient->setActiveConfigWithConstraints(
                &display, kInvalidConfigId, constraints);

        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_BAD_CONFIG, status.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, SetBootDisplayConfig_BadDisplay) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    const auto& status = mComposerClient->setBootDisplayConfig(getInvalidDisplayId(), /*config*/ 0);

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetBootDisplayConfig_BadConfig) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    for (VtsDisplay& display : mDisplays) {
        int32_t constexpr kInvalidConfigId = IComposerClient::INVALID_CONFIGURATION;
        const auto& status =
                mComposerClient->setBootDisplayConfig(display.getDisplayId(), kInvalidConfigId);

        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_BAD_CONFIG, status.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, SetBootDisplayConfig) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    const auto& [status, configs] = mComposerClient->getDisplayConfigs(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());
    for (const auto& config : configs) {
        EXPECT_TRUE(mComposerClient->setBootDisplayConfig(getPrimaryDisplayId(), config).isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, ClearBootDisplayConfig_BadDisplay) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    const auto& status = mComposerClient->clearBootDisplayConfig(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, ClearBootDisplayConfig) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    EXPECT_TRUE(mComposerClient->clearBootDisplayConfig(getPrimaryDisplayId()).isOk());
}

TEST_P(GraphicsComposerAidlTest, GetPreferredBootDisplayConfig_BadDisplay) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    const auto& [status, _] = mComposerClient->getPreferredBootDisplayConfig(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetPreferredBootDisplayConfig) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        GTEST_SUCCEED() << "Boot Display Config not supported";
        return;
    }
    const auto& [status, preferredDisplayConfig] =
            mComposerClient->getPreferredBootDisplayConfig(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());

    const auto& [configStatus, configs] = mComposerClient->getDisplayConfigs(getPrimaryDisplayId());

    EXPECT_TRUE(configStatus.isOk());
    EXPECT_NE(configs.end(), std::find(configs.begin(), configs.end(), preferredDisplayConfig));
}

TEST_P(GraphicsComposerAidlTest, BootDisplayConfig_Unsupported) {
    if (!hasCapability(Capability::BOOT_DISPLAY_CONFIG)) {
        const auto& [configStatus, config] =
                mComposerClient->getActiveConfig(getPrimaryDisplayId());
        EXPECT_TRUE(configStatus.isOk());

        auto status = mComposerClient->setBootDisplayConfig(getPrimaryDisplayId(), config);
        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, status.getServiceSpecificError());

        status = mComposerClient->getPreferredBootDisplayConfig(getPrimaryDisplayId()).first;
        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, status.getServiceSpecificError());

        status = mComposerClient->clearBootDisplayConfig(getPrimaryDisplayId());
        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, status.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, SetAutoLowLatencyMode_BadDisplay) {
    auto status = mComposerClient->setAutoLowLatencyMode(getInvalidDisplayId(), /*isEnabled*/ true);
    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());

    status = mComposerClient->setAutoLowLatencyMode(getInvalidDisplayId(), /*isEnabled*/ false);
    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetAutoLowLatencyMode) {
    for (const auto& display : mDisplays) {
        const auto& [status, capabilities] =
                mComposerClient->getDisplayCapabilities(display.getDisplayId());
        ASSERT_TRUE(status.isOk());

        const bool allmSupport =
                std::find(capabilities.begin(), capabilities.end(),
                          DisplayCapability::AUTO_LOW_LATENCY_MODE) != capabilities.end();

        if (!allmSupport) {
            const auto& statusIsOn = mComposerClient->setAutoLowLatencyMode(display.getDisplayId(),
                                                                            /*isEnabled*/ true);
            EXPECT_FALSE(statusIsOn.isOk());
            EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, statusIsOn.getServiceSpecificError());
            const auto& statusIsOff = mComposerClient->setAutoLowLatencyMode(display.getDisplayId(),
                                                                             /*isEnabled*/ false);
            EXPECT_FALSE(statusIsOff.isOk());
            EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, statusIsOff.getServiceSpecificError());
            GTEST_SUCCEED() << "Auto Low Latency Mode is not supported on display "
                            << std::to_string(display.getDisplayId()) << ", skipping test";
            return;
        }

        EXPECT_TRUE(mComposerClient->setAutoLowLatencyMode(display.getDisplayId(), true).isOk());
        EXPECT_TRUE(mComposerClient->setAutoLowLatencyMode(display.getDisplayId(), false).isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, GetSupportedContentTypes_BadDisplay) {
    const auto& [status, _] = mComposerClient->getSupportedContentTypes(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetSupportedContentTypes) {
    for (const auto& display : mDisplays) {
        const auto& [status, supportedContentTypes] =
                mComposerClient->getSupportedContentTypes(display.getDisplayId());
        ASSERT_TRUE(status.isOk());

        const bool noneSupported =
                std::find(supportedContentTypes.begin(), supportedContentTypes.end(),
                          ContentType::NONE) != supportedContentTypes.end();

        EXPECT_FALSE(noneSupported);
    }
}

TEST_P(GraphicsComposerAidlTest, SetContentTypeNoneAlwaysAccepted) {
    for (const auto& display : mDisplays) {
        EXPECT_TRUE(
                mComposerClient->setContentType(display.getDisplayId(), ContentType::NONE).isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, SetContentType_BadDisplay) {
    constexpr ContentType types[] = {ContentType::NONE, ContentType::GRAPHICS, ContentType::PHOTO,
                                     ContentType::CINEMA, ContentType::GAME};
    for (const auto& type : types) {
        const auto& status = mComposerClient->setContentType(getInvalidDisplayId(), type);

        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, SetGraphicsContentType) {
    Test_setContentType(ContentType::GRAPHICS, "GRAPHICS");
}

TEST_P(GraphicsComposerAidlTest, SetPhotoContentType) {
    Test_setContentType(ContentType::PHOTO, "PHOTO");
}

TEST_P(GraphicsComposerAidlTest, SetCinemaContentType) {
    Test_setContentType(ContentType::CINEMA, "CINEMA");
}

TEST_P(GraphicsComposerAidlTest, SetGameContentType) {
    Test_setContentType(ContentType::GAME, "GAME");
}

TEST_P(GraphicsComposerAidlTest, CreateVirtualDisplay) {
    const auto& [status, maxVirtualDisplayCount] = mComposerClient->getMaxVirtualDisplayCount();
    EXPECT_TRUE(status.isOk());

    if (maxVirtualDisplayCount == 0) {
        GTEST_SUCCEED() << "no virtual display support";
        return;
    }

    const auto& [virtualDisplayStatus, virtualDisplay] = mComposerClient->createVirtualDisplay(
            /*width*/ 64, /*height*/ 64, common::PixelFormat::IMPLEMENTATION_DEFINED,
            kBufferSlotCount);

    ASSERT_TRUE(virtualDisplayStatus.isOk());
    EXPECT_TRUE(mComposerClient->destroyVirtualDisplay(virtualDisplay.display).isOk());
}

TEST_P(GraphicsComposerAidlTest, DestroyVirtualDisplay_BadDisplay) {
    const auto& [status, maxDisplayCount] = mComposerClient->getMaxVirtualDisplayCount();
    EXPECT_TRUE(status.isOk());

    if (maxDisplayCount == 0) {
        GTEST_SUCCEED() << "no virtual display support";
        return;
    }

    const auto& destroyStatus = mComposerClient->destroyVirtualDisplay(getInvalidDisplayId());

    EXPECT_FALSE(destroyStatus.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, destroyStatus.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, CreateLayer) {
    const auto& [status, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);

    EXPECT_TRUE(status.isOk());
    EXPECT_TRUE(mComposerClient->destroyLayer(getPrimaryDisplayId(), layer).isOk());
}

TEST_P(GraphicsComposerAidlTest, CreateLayer_BadDisplay) {
    const auto& [status, _] = mComposerClient->createLayer(getInvalidDisplayId(), kBufferSlotCount);

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, DestroyLayer_BadDisplay) {
    const auto& [status, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(status.isOk());

    const auto& destroyStatus = mComposerClient->destroyLayer(getInvalidDisplayId(), layer);

    EXPECT_FALSE(destroyStatus.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_DISPLAY, destroyStatus.getServiceSpecificError());
    ASSERT_TRUE(mComposerClient->destroyLayer(getPrimaryDisplayId(), layer).isOk());
}

TEST_P(GraphicsComposerAidlTest, DestroyLayer_BadLayerError) {
    // We haven't created any layers yet, so any id should be invalid
    const auto& status = mComposerClient->destroyLayer(getPrimaryDisplayId(), /*layer*/ 1);

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_LAYER, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetActiveConfig_BadDisplay) {
    const auto& [status, _] = mComposerClient->getActiveConfig(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayConfig) {
    const auto& [status, _] = mComposerClient->getDisplayConfigs(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayConfig_BadDisplay) {
    const auto& [status, _] = mComposerClient->getDisplayConfigs(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayName) {
    const auto& [status, _] = mComposerClient->getDisplayName(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayPhysicalOrientation_BadDisplay) {
    const auto& [status, _] = mComposerClient->getDisplayPhysicalOrientation(getInvalidDisplayId());

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDisplayPhysicalOrientation) {
    const auto allowedDisplayOrientations = std::array<Transform, 4>{
            Transform::NONE,
            Transform::ROT_90,
            Transform::ROT_180,
            Transform::ROT_270,
    };

    const auto& [status, displayOrientation] =
            mComposerClient->getDisplayPhysicalOrientation(getPrimaryDisplayId());

    EXPECT_TRUE(status.isOk());
    EXPECT_NE(std::find(allowedDisplayOrientations.begin(), allowedDisplayOrientations.end(),
                        displayOrientation),
              allowedDisplayOrientations.end());
}

TEST_P(GraphicsComposerAidlTest, SetClientTargetSlotCount) {
    EXPECT_TRUE(mComposerClient->setClientTargetSlotCount(getPrimaryDisplayId(), kBufferSlotCount)
                        .isOk());
}

TEST_P(GraphicsComposerAidlTest, SetActiveConfig) {
    const auto& [status, configs] = mComposerClient->getDisplayConfigs(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());

    for (const auto& config : configs) {
        auto display = getEditablePrimaryDisplay();
        EXPECT_TRUE(mComposerClient->setActiveConfig(&display, config).isOk());
        const auto& [configStatus, config1] =
                mComposerClient->getActiveConfig(getPrimaryDisplayId());
        EXPECT_TRUE(configStatus.isOk());
        EXPECT_EQ(config, config1);
    }
}

TEST_P(GraphicsComposerAidlTest, SetActiveConfigPowerCycle) {
    EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::OFF).isOk());
    EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());

    const auto& [status, configs] = mComposerClient->getDisplayConfigs(getPrimaryDisplayId());
    EXPECT_TRUE(status.isOk());

    for (const auto& config : configs) {
        auto display = getEditablePrimaryDisplay();
        EXPECT_TRUE(mComposerClient->setActiveConfig(&display, config).isOk());
        const auto& [config1Status, config1] =
                mComposerClient->getActiveConfig(getPrimaryDisplayId());
        EXPECT_TRUE(config1Status.isOk());
        EXPECT_EQ(config, config1);

        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::OFF).isOk());
        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());
        const auto& [config2Status, config2] =
                mComposerClient->getActiveConfig(getPrimaryDisplayId());
        EXPECT_TRUE(config2Status.isOk());
        EXPECT_EQ(config, config2);
    }
}

TEST_P(GraphicsComposerAidlTest, SetPowerModeUnsupported) {
    const auto& [status, capabilities] =
            mComposerClient->getDisplayCapabilities(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    const bool isDozeSupported = std::find(capabilities.begin(), capabilities.end(),
                                           DisplayCapability::DOZE) != capabilities.end();
    const bool isSuspendSupported = std::find(capabilities.begin(), capabilities.end(),
                                              DisplayCapability::SUSPEND) != capabilities.end();

    if (!isDozeSupported) {
        const auto& powerModeDozeStatus =
                mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::DOZE);
        EXPECT_FALSE(powerModeDozeStatus.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, powerModeDozeStatus.getServiceSpecificError());

        const auto& powerModeDozeSuspendStatus =
                mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::DOZE_SUSPEND);
        EXPECT_FALSE(powerModeDozeSuspendStatus.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED,
                  powerModeDozeSuspendStatus.getServiceSpecificError());
    }

    if (!isSuspendSupported) {
        const auto& powerModeSuspendStatus =
                mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON_SUSPEND);
        EXPECT_FALSE(powerModeSuspendStatus.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED,
                  powerModeSuspendStatus.getServiceSpecificError());

        const auto& powerModeDozeSuspendStatus =
                mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::DOZE_SUSPEND);
        EXPECT_FALSE(powerModeDozeSuspendStatus.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED,
                  powerModeDozeSuspendStatus.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlTest, SetVsyncEnabled) {
    mComposerClient->setVsyncAllowed(true);

    EXPECT_TRUE(mComposerClient->setVsync(getPrimaryDisplayId(), true).isOk());
    usleep(60 * 1000);
    EXPECT_TRUE(mComposerClient->setVsync(getPrimaryDisplayId(), false).isOk());

    mComposerClient->setVsyncAllowed(false);
}

TEST_P(GraphicsComposerAidlTest, SetPowerMode) {
    const auto& [status, capabilities] =
            mComposerClient->getDisplayCapabilities(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    const bool isDozeSupported = std::find(capabilities.begin(), capabilities.end(),
                                           DisplayCapability::DOZE) != capabilities.end();
    const bool isSuspendSupported = std::find(capabilities.begin(), capabilities.end(),
                                              DisplayCapability::SUSPEND) != capabilities.end();

    std::vector<PowerMode> modes;
    modes.push_back(PowerMode::OFF);
    modes.push_back(PowerMode::ON);

    if (isSuspendSupported) {
        modes.push_back(PowerMode::ON_SUSPEND);
    }

    if (isDozeSupported) {
        modes.push_back(PowerMode::DOZE);
    }

    if (isSuspendSupported && isDozeSupported) {
        modes.push_back(PowerMode::DOZE_SUSPEND);
    }

    for (auto mode : modes) {
        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
    }
}

TEST_P(GraphicsComposerAidlTest, SetPowerModeVariations) {
    const auto& [status, capabilities] =
            mComposerClient->getDisplayCapabilities(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());

    const bool isDozeSupported = std::find(capabilities.begin(), capabilities.end(),
                                           DisplayCapability::DOZE) != capabilities.end();
    const bool isSuspendSupported = std::find(capabilities.begin(), capabilities.end(),
                                              DisplayCapability::SUSPEND) != capabilities.end();

    std::vector<PowerMode> modes;

    modes.push_back(PowerMode::OFF);
    modes.push_back(PowerMode::ON);
    modes.push_back(PowerMode::OFF);
    for (auto mode : modes) {
        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
    }
    modes.clear();

    modes.push_back(PowerMode::OFF);
    modes.push_back(PowerMode::OFF);
    for (auto mode : modes) {
        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
    }
    modes.clear();

    modes.push_back(PowerMode::ON);
    modes.push_back(PowerMode::ON);
    for (auto mode : modes) {
        EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
    }
    modes.clear();

    if (isSuspendSupported) {
        modes.push_back(PowerMode::ON_SUSPEND);
        modes.push_back(PowerMode::ON_SUSPEND);
        for (auto mode : modes) {
            EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
        }
        modes.clear();
    }

    if (isDozeSupported) {
        modes.push_back(PowerMode::DOZE);
        modes.push_back(PowerMode::DOZE);
        for (auto mode : modes) {
            EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
        }
        modes.clear();
    }

    if (isSuspendSupported && isDozeSupported) {
        modes.push_back(PowerMode::DOZE_SUSPEND);
        modes.push_back(PowerMode::DOZE_SUSPEND);
        for (auto mode : modes) {
            EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), mode).isOk());
        }
        modes.clear();
    }
}

TEST_P(GraphicsComposerAidlTest, SetPowerMode_BadDisplay) {
    const auto& status = mComposerClient->setPowerMode(getInvalidDisplayId(), PowerMode::ON);

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_DISPLAY, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, SetPowerMode_BadParameter) {
    const auto& status =
            mComposerClient->setPowerMode(getPrimaryDisplayId(), static_cast<PowerMode>(-1));

    EXPECT_FALSE(status.isOk());
    ASSERT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlTest, GetDataspaceSaturationMatrix) {
    const auto& [status, matrix] =
            mComposerClient->getDataspaceSaturationMatrix(common::Dataspace::SRGB_LINEAR);
    ASSERT_TRUE(status.isOk());
    ASSERT_EQ(16, matrix.size());  // matrix should not be empty if call succeeded.

    // the last row is known
    EXPECT_EQ(0.0f, matrix[12]);
    EXPECT_EQ(0.0f, matrix[13]);
    EXPECT_EQ(0.0f, matrix[14]);
    EXPECT_EQ(1.0f, matrix[15]);
}

TEST_P(GraphicsComposerAidlTest, GetDataspaceSaturationMatrix_BadParameter) {
    const auto& [status, matrix] =
            mComposerClient->getDataspaceSaturationMatrix(common::Dataspace::UNKNOWN);

    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());
}

// Tests for Command.
class GraphicsComposerAidlCommandTest : public GraphicsComposerAidlTest {
  protected:
    void TearDown() override {
        const auto errors = mReader.takeErrors();
        ASSERT_TRUE(mReader.takeErrors().empty());
        ASSERT_TRUE(mReader.takeChangedCompositionTypes(getPrimaryDisplayId()).empty());

        ASSERT_NO_FATAL_FAILURE(GraphicsComposerAidlTest::TearDown());
    }

    void execute() {
        const auto& commands = mWriter.getPendingCommands();
        if (commands.empty()) {
            mWriter.reset();
            return;
        }

        auto [status, results] = mComposerClient->executeCommands(commands);
        ASSERT_TRUE(status.isOk()) << "executeCommands failed " << status.getDescription();

        mReader.parse(std::move(results));
        mWriter.reset();
    }

    static inline auto toTimePoint(nsecs_t time) {
        return std::chrono::time_point<std::chrono::steady_clock>(std::chrono::nanoseconds(time));
    }

    void forEachTwoConfigs(int64_t display, std::function<void(int32_t, int32_t)> func) {
        const auto& [status, displayConfigs] = mComposerClient->getDisplayConfigs(display);
        ASSERT_TRUE(status.isOk());
        for (const int32_t config1 : displayConfigs) {
            for (const int32_t config2 : displayConfigs) {
                if (config1 != config2) {
                    func(config1, config2);
                }
            }
        }
    }

    void waitForVsyncPeriodChange(int64_t display, const VsyncPeriodChangeTimeline& timeline,
                                  int64_t desiredTimeNanos, int64_t oldPeriodNanos,
                                  int64_t newPeriodNanos) {
        const auto kChangeDeadline = toTimePoint(timeline.newVsyncAppliedTimeNanos) + 100ms;
        while (std::chrono::steady_clock::now() <= kChangeDeadline) {
            const auto& [status, vsyncPeriodNanos] =
                    mComposerClient->getDisplayVsyncPeriod(display);
            EXPECT_TRUE(status.isOk());
            if (systemTime() <= desiredTimeNanos) {
                EXPECT_EQ(vsyncPeriodNanos, oldPeriodNanos);
            } else if (vsyncPeriodNanos == newPeriodNanos) {
                break;
            }
            std::this_thread::sleep_for(std::chrono::nanoseconds(oldPeriodNanos));
        }
    }

    sp<GraphicBuffer> allocate(::android::PixelFormat pixelFormat) {
        return sp<GraphicBuffer>::make(
                static_cast<uint32_t>(getPrimaryDisplay().getDisplayWidth()),
                static_cast<uint32_t>(getPrimaryDisplay().getDisplayHeight()), pixelFormat,
                /*layerCount*/ 1U,
                (static_cast<uint64_t>(common::BufferUsage::CPU_WRITE_OFTEN) |
                 static_cast<uint64_t>(common::BufferUsage::CPU_READ_OFTEN) |
                 static_cast<uint64_t>(common::BufferUsage::COMPOSER_OVERLAY)),
                "VtsHalGraphicsComposer3_TargetTest");
    }

    void sendRefreshFrame(const VtsDisplay& display, const VsyncPeriodChangeTimeline* timeline) {
        if (timeline != nullptr) {
            // Refresh time should be before newVsyncAppliedTimeNanos
            EXPECT_LT(timeline->refreshTimeNanos, timeline->newVsyncAppliedTimeNanos);

            std::this_thread::sleep_until(toTimePoint(timeline->refreshTimeNanos));
        }

        EXPECT_TRUE(mComposerClient->setPowerMode(display.getDisplayId(), PowerMode::ON).isOk());
        EXPECT_TRUE(mComposerClient
                            ->setColorMode(display.getDisplayId(), ColorMode::NATIVE,
                                           RenderIntent::COLORIMETRIC)
                            .isOk());

        const auto& [status, layer] =
                mComposerClient->createLayer(display.getDisplayId(), kBufferSlotCount);
        EXPECT_TRUE(status.isOk());
        {
            const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
            ASSERT_NE(nullptr, buffer);
            ASSERT_EQ(::android::OK, buffer->initCheck());
            ASSERT_NE(nullptr, buffer->handle);

            configureLayer(display, layer, Composition::DEVICE, display.getFrameRect(),
                           display.getCrop());
            mWriter.setLayerBuffer(display.getDisplayId(), layer, /*slot*/ 0, buffer->handle,
                                   /*acquireFence*/ -1);
            mWriter.setLayerDataspace(display.getDisplayId(), layer, common::Dataspace::UNKNOWN);

            mWriter.validateDisplay(display.getDisplayId(), ComposerClientWriter::kNoTimestamp);
            execute();
            ASSERT_TRUE(mReader.takeErrors().empty());

            mWriter.presentDisplay(display.getDisplayId());
            execute();
            ASSERT_TRUE(mReader.takeErrors().empty());
        }

        {
            const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
            ASSERT_NE(nullptr, buffer->handle);

            mWriter.setLayerBuffer(display.getDisplayId(), layer, /*slot*/ 0, buffer->handle,
                                   /*acquireFence*/ -1);
            mWriter.setLayerSurfaceDamage(display.getDisplayId(), layer,
                                          std::vector<Rect>(1, {0, 0, 10, 10}));
            mWriter.validateDisplay(display.getDisplayId(), ComposerClientWriter::kNoTimestamp);
            execute();
            ASSERT_TRUE(mReader.takeErrors().empty());

            mWriter.presentDisplay(display.getDisplayId());
            execute();
        }

        EXPECT_TRUE(mComposerClient->destroyLayer(display.getDisplayId(), layer).isOk());
    }

    sp<::android::Fence> presentAndGetFence(
            std::optional<ClockMonotonicTimestamp> expectedPresentTime) {
        mWriter.validateDisplay(getPrimaryDisplayId(), expectedPresentTime);
        execute();
        EXPECT_TRUE(mReader.takeErrors().empty());

        mWriter.presentDisplay(getPrimaryDisplayId());
        execute();
        EXPECT_TRUE(mReader.takeErrors().empty());

        auto presentFence = mReader.takePresentFence(getPrimaryDisplayId());
        // take ownership
        const int fenceOwner = presentFence.get();
        *presentFence.getR() = -1;
        EXPECT_NE(-1, fenceOwner);
        return sp<::android::Fence>::make(fenceOwner);
    }

    int32_t getVsyncPeriod() {
        const auto& [status, activeConfig] =
                mComposerClient->getActiveConfig(getPrimaryDisplayId());
        EXPECT_TRUE(status.isOk());

        const auto& [vsyncPeriodStatus, vsyncPeriod] = mComposerClient->getDisplayAttribute(
                getPrimaryDisplayId(), activeConfig, DisplayAttribute::VSYNC_PERIOD);
        EXPECT_TRUE(vsyncPeriodStatus.isOk());
        return vsyncPeriod;
    }

    int64_t createOnScreenLayer() {
        const auto& [status, layer] =
                mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
        EXPECT_TRUE(status.isOk());
        Rect displayFrame{0, 0, getPrimaryDisplay().getDisplayWidth(),
                          getPrimaryDisplay().getDisplayHeight()};
        FRect cropRect{0, 0, (float)getPrimaryDisplay().getDisplayWidth(),
                       (float)getPrimaryDisplay().getDisplayHeight()};
        configureLayer(getPrimaryDisplay(), layer, Composition::DEVICE, displayFrame, cropRect);
        mWriter.setLayerDataspace(getPrimaryDisplayId(), layer, common::Dataspace::UNKNOWN);
        return layer;
    }

    bool hasDisplayCapability(int64_t display, DisplayCapability cap) {
        const auto& [status, capabilities] = mComposerClient->getDisplayCapabilities(display);
        EXPECT_TRUE(status.isOk());

        return std::find(capabilities.begin(), capabilities.end(), cap) != capabilities.end();
    }

    void Test_setActiveConfigWithConstraints(const TestParameters& params) {
        for (VtsDisplay& display : mDisplays) {
            forEachTwoConfigs(display.getDisplayId(), [&](int32_t config1, int32_t config2) {
                EXPECT_TRUE(mComposerClient->setActiveConfig(&display, config1).isOk());
                sendRefreshFrame(display, nullptr);

                const auto displayConfigGroup1 = display.getDisplayConfig(config1);
                int32_t vsyncPeriod1 = displayConfigGroup1.vsyncPeriod;
                int32_t configGroup1 = displayConfigGroup1.configGroup;

                const auto displayConfigGroup2 = display.getDisplayConfig(config2);
                int32_t vsyncPeriod2 = displayConfigGroup2.vsyncPeriod;
                int32_t configGroup2 = displayConfigGroup2.configGroup;

                if (vsyncPeriod1 == vsyncPeriod2) {
                    return;  // continue
                }

                // We don't allow delayed change when changing config groups
                if (params.delayForChange > 0 && configGroup1 != configGroup2) {
                    return;  // continue
                }

                VsyncPeriodChangeConstraints constraints = {
                        .desiredTimeNanos = systemTime() + params.delayForChange,
                        .seamlessRequired = false};
                const auto& [status, timeline] = mComposerClient->setActiveConfigWithConstraints(
                        &display, config2, constraints);
                EXPECT_TRUE(status.isOk());

                EXPECT_TRUE(timeline.newVsyncAppliedTimeNanos >= constraints.desiredTimeNanos);
                // Refresh rate should change within a reasonable time
                constexpr std::chrono::nanoseconds kReasonableTimeForChange = 1s;  // 1 second
                EXPECT_TRUE(timeline.newVsyncAppliedTimeNanos - constraints.desiredTimeNanos <=
                            kReasonableTimeForChange.count());

                if (timeline.refreshRequired) {
                    if (params.refreshMiss) {
                        // Miss the refresh frame on purpose to make sure the implementation sends a
                        // callback
                        std::this_thread::sleep_until(toTimePoint(timeline.refreshTimeNanos) +
                                                      100ms);
                    }
                    sendRefreshFrame(display, &timeline);
                }
                waitForVsyncPeriodChange(display.getDisplayId(), timeline,
                                         constraints.desiredTimeNanos, vsyncPeriod1, vsyncPeriod2);

                // At this point the refresh rate should have changed already, however in rare
                // cases the implementation might have missed the deadline. In this case a new
                // timeline should have been provided.
                auto newTimeline = mComposerClient->takeLastVsyncPeriodChangeTimeline();
                if (timeline.refreshRequired && params.refreshMiss) {
                    EXPECT_TRUE(newTimeline.has_value());
                }

                if (newTimeline.has_value()) {
                    if (newTimeline->refreshRequired) {
                        sendRefreshFrame(display, &newTimeline.value());
                    }
                    waitForVsyncPeriodChange(display.getDisplayId(), newTimeline.value(),
                                             constraints.desiredTimeNanos, vsyncPeriod1,
                                             vsyncPeriod2);
                }

                const auto& [vsyncPeriodNanosStatus, vsyncPeriodNanos] =
                        mComposerClient->getDisplayVsyncPeriod(display.getDisplayId());
                EXPECT_TRUE(vsyncPeriodNanosStatus.isOk());
                EXPECT_EQ(vsyncPeriodNanos, vsyncPeriod2);
            });
        }
    }

    void Test_expectedPresentTime(std::optional<int> framesDelay) {
        if (hasCapability(Capability::PRESENT_FENCE_IS_NOT_RELIABLE)) {
            GTEST_SUCCEED() << "Device has unreliable present fences capability, skipping";
            return;
        }

        ASSERT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());

        const auto vsyncPeriod = getVsyncPeriod();

        const auto buffer1 = allocate(::android::PIXEL_FORMAT_RGBA_8888);
        const auto buffer2 = allocate(::android::PIXEL_FORMAT_RGBA_8888);
        ASSERT_NE(nullptr, buffer1);
        ASSERT_NE(nullptr, buffer2);

        const auto layer = createOnScreenLayer();
        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, buffer1->handle,
                               /*acquireFence*/ -1);
        const sp<::android::Fence> presentFence1 =
                presentAndGetFence(ComposerClientWriter::kNoTimestamp);
        presentFence1->waitForever(LOG_TAG);

        auto expectedPresentTime = presentFence1->getSignalTime() + vsyncPeriod;
        if (framesDelay.has_value()) {
            expectedPresentTime += *framesDelay * vsyncPeriod;
        }

        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, buffer2->handle,
                               /*acquireFence*/ -1);
        const auto setExpectedPresentTime = [&]() -> std::optional<ClockMonotonicTimestamp> {
            if (!framesDelay.has_value()) {
                return ComposerClientWriter::kNoTimestamp;
            } else if (*framesDelay == 0) {
                return ClockMonotonicTimestamp{0};
            }
            return ClockMonotonicTimestamp{expectedPresentTime};
        }();

        const sp<::android::Fence> presentFence2 = presentAndGetFence(setExpectedPresentTime);
        presentFence2->waitForever(LOG_TAG);

        const auto actualPresentTime = presentFence2->getSignalTime();
        EXPECT_GE(actualPresentTime, expectedPresentTime - vsyncPeriod / 2);

        ASSERT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::OFF).isOk());
    }

    void configureLayer(const VtsDisplay& display, int64_t layer, Composition composition,
                        const Rect& displayFrame, const FRect& cropRect) {
        mWriter.setLayerCompositionType(display.getDisplayId(), layer, composition);
        mWriter.setLayerDisplayFrame(display.getDisplayId(), layer, displayFrame);
        mWriter.setLayerPlaneAlpha(display.getDisplayId(), layer, /*alpha*/ 1);
        mWriter.setLayerSourceCrop(display.getDisplayId(), layer, cropRect);
        mWriter.setLayerTransform(display.getDisplayId(), layer, static_cast<Transform>(0));
        mWriter.setLayerVisibleRegion(display.getDisplayId(), layer,
                                      std::vector<Rect>(1, displayFrame));
        mWriter.setLayerZOrder(display.getDisplayId(), layer, /*z*/ 10);
        mWriter.setLayerBlendMode(display.getDisplayId(), layer, BlendMode::NONE);
        mWriter.setLayerSurfaceDamage(display.getDisplayId(), layer,
                                      std::vector<Rect>(1, displayFrame));
    }
    // clang-format off
    const std::array<float, 16> kIdentity = {{
            1.0f, 0.0f, 0.0f, 0.0f,
            0.0f, 1.0f, 0.0f, 0.0f,
            0.0f, 0.0f, 1.0f, 0.0f,
            0.0f, 0.0f, 0.0f, 1.0f,
    }};
    // clang-format on

    ComposerClientWriter mWriter;
    ComposerClientReader mReader;
};

TEST_P(GraphicsComposerAidlCommandTest, SetColorTransform) {
    mWriter.setColorTransform(getPrimaryDisplayId(), kIdentity.data());
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerColorTransform) {
    const auto& [status, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(status.isOk());
    mWriter.setLayerColorTransform(getPrimaryDisplayId(), layer, kIdentity.data());
    execute();

    const auto errors = mReader.takeErrors();
    if (errors.size() == 1 && errors[0].errorCode == IComposerClient::EX_UNSUPPORTED) {
        GTEST_SUCCEED() << "setLayerColorTransform is not supported";
        return;
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetDisplayBrightness) {
    const auto& [status, capabilities] =
            mComposerClient->getDisplayCapabilities(getPrimaryDisplayId());
    ASSERT_TRUE(status.isOk());
    bool brightnessSupport = std::find(capabilities.begin(), capabilities.end(),
                                       DisplayCapability::BRIGHTNESS) != capabilities.end();
    if (!brightnessSupport) {
        mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ 0.5f);
        execute();
        const auto errors = mReader.takeErrors();
        EXPECT_EQ(1, errors.size());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, errors[0].errorCode);
        GTEST_SUCCEED() << "SetDisplayBrightness is not supported";
        return;
    }

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ 0.0f);
    execute();
    EXPECT_TRUE(mReader.takeErrors().empty());

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ 0.5f);
    execute();
    EXPECT_TRUE(mReader.takeErrors().empty());

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ 1.0f);
    execute();
    EXPECT_TRUE(mReader.takeErrors().empty());

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ -1.0f);
    execute();
    EXPECT_TRUE(mReader.takeErrors().empty());

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ 2.0f);
    execute();
    {
        const auto errors = mReader.takeErrors();
        ASSERT_EQ(1, errors.size());
        EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, errors[0].errorCode);
    }

    mWriter.setDisplayBrightness(getPrimaryDisplayId(), /*brightness*/ -2.0f);
    execute();
    {
        const auto errors = mReader.takeErrors();
        ASSERT_EQ(1, errors.size());
        EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, errors[0].errorCode);
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetClientTarget) {
    EXPECT_TRUE(mComposerClient->setClientTargetSlotCount(getPrimaryDisplayId(), kBufferSlotCount)
                        .isOk());

    mWriter.setClientTarget(getPrimaryDisplayId(), /*slot*/ 0, nullptr, /*acquireFence*/ -1,
                            Dataspace::UNKNOWN, std::vector<Rect>());

    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetOutputBuffer) {
    const auto& [status, virtualDisplayCount] = mComposerClient->getMaxVirtualDisplayCount();
    EXPECT_TRUE(status.isOk());
    if (virtualDisplayCount == 0) {
        GTEST_SUCCEED() << "no virtual display support";
        return;
    }

    const auto& [displayStatus, display] = mComposerClient->createVirtualDisplay(
            /*width*/ 64, /*height*/ 64, common::PixelFormat::IMPLEMENTATION_DEFINED,
            kBufferSlotCount);
    EXPECT_TRUE(displayStatus.isOk());

    const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
    const auto handle = buffer->handle;
    mWriter.setOutputBuffer(display.display, /*slot*/ 0, handle, /*releaseFence*/ -1);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, ValidDisplay) {
    mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, AcceptDisplayChanges) {
    mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
    mWriter.acceptDisplayChanges(getPrimaryDisplayId());
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, PresentDisplay) {
    mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
    mWriter.presentDisplay(getPrimaryDisplayId());
    execute();
}

/**
 * Test IComposerClient::Command::PRESENT_DISPLAY
 *
 * Test that IComposerClient::Command::PRESENT_DISPLAY works without
 * additional call to validateDisplay when only the layer buffer handle and
 * surface damage have been set
 */
TEST_P(GraphicsComposerAidlCommandTest, PresentDisplayNoLayerStateChanges) {
    if (!hasCapability(Capability::SKIP_VALIDATE)) {
        GTEST_SUCCEED() << "Device does not have skip validate capability, skipping";
        return;
    }
    EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());

    const auto& [renderIntentsStatus, renderIntents] =
            mComposerClient->getRenderIntents(getPrimaryDisplayId(), ColorMode::NATIVE);
    EXPECT_TRUE(renderIntentsStatus.isOk());
    for (auto intent : renderIntents) {
        EXPECT_TRUE(mComposerClient->setColorMode(getPrimaryDisplayId(), ColorMode::NATIVE, intent)
                            .isOk());

        const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
        const auto handle = buffer->handle;
        ASSERT_NE(nullptr, handle);

        const auto& [layerStatus, layer] =
                mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
        EXPECT_TRUE(layerStatus.isOk());

        Rect displayFrame{0, 0, getPrimaryDisplay().getDisplayWidth(),
                          getPrimaryDisplay().getDisplayHeight()};
        FRect cropRect{0, 0, (float)getPrimaryDisplay().getDisplayWidth(),
                       (float)getPrimaryDisplay().getDisplayHeight()};
        configureLayer(getPrimaryDisplay(), layer, Composition::CURSOR, displayFrame, cropRect);
        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, handle,
                               /*acquireFence*/ -1);
        mWriter.setLayerDataspace(getPrimaryDisplayId(), layer, Dataspace::UNKNOWN);
        mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
        execute();
        if (!mReader.takeChangedCompositionTypes(getPrimaryDisplayId()).empty()) {
            GTEST_SUCCEED() << "Composition change requested, skipping test";
            return;
        }

        ASSERT_TRUE(mReader.takeErrors().empty());
        mWriter.presentDisplay(getPrimaryDisplayId());
        execute();
        ASSERT_TRUE(mReader.takeErrors().empty());

        const auto buffer2 = allocate(::android::PIXEL_FORMAT_RGBA_8888);
        const auto handle2 = buffer2->handle;
        ASSERT_NE(nullptr, handle2);
        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, handle2,
                               /*acquireFence*/ -1);
        mWriter.setLayerSurfaceDamage(getPrimaryDisplayId(), layer,
                                      std::vector<Rect>(1, {0, 0, 10, 10}));
        mWriter.presentDisplay(getPrimaryDisplayId());
        execute();
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerCursorPosition) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
    const auto handle = buffer->handle;
    ASSERT_NE(nullptr, handle);

    mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, handle, /*acquireFence*/ -1);

    Rect displayFrame{0, 0, getPrimaryDisplay().getDisplayWidth(),
                      getPrimaryDisplay().getDisplayHeight()};
    FRect cropRect{0, 0, (float)getPrimaryDisplay().getDisplayWidth(),
                   (float)getPrimaryDisplay().getDisplayHeight()};
    configureLayer(getPrimaryDisplay(), layer, Composition::CURSOR, displayFrame, cropRect);
    mWriter.setLayerDataspace(getPrimaryDisplayId(), layer, Dataspace::UNKNOWN);
    mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);

    execute();

    if (!mReader.takeChangedCompositionTypes(getPrimaryDisplayId()).empty()) {
        GTEST_SUCCEED() << "Composition change requested, skipping test";
        return;
    }
    mWriter.presentDisplay(getPrimaryDisplayId());
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerCursorPosition(getPrimaryDisplayId(), layer, /*x*/ 1, /*y*/ 1);
    execute();

    mWriter.setLayerCursorPosition(getPrimaryDisplayId(), layer, /*x*/ 0, /*y*/ 0);
    mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
    mWriter.presentDisplay(getPrimaryDisplayId());
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerBuffer) {
    const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
    const auto handle = buffer->handle;
    ASSERT_NE(nullptr, handle);

    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());
    mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, handle, /*acquireFence*/ -1);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerSurfaceDamage) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    Rect empty{0, 0, 0, 0};
    Rect unit{0, 0, 1, 1};

    mWriter.setLayerSurfaceDamage(getPrimaryDisplayId(), layer, std::vector<Rect>(1, empty));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerSurfaceDamage(getPrimaryDisplayId(), layer, std::vector<Rect>(1, unit));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerSurfaceDamage(getPrimaryDisplayId(), layer, std::vector<Rect>());
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerBlockingRegion) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    Rect empty{0, 0, 0, 0};
    Rect unit{0, 0, 1, 1};

    mWriter.setLayerBlockingRegion(getPrimaryDisplayId(), layer, std::vector<Rect>(1, empty));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBlockingRegion(getPrimaryDisplayId(), layer, std::vector<Rect>(1, unit));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBlockingRegion(getPrimaryDisplayId(), layer, std::vector<Rect>());
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerBlendMode) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerBlendMode(getPrimaryDisplayId(), layer, BlendMode::NONE);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBlendMode(getPrimaryDisplayId(), layer, BlendMode::PREMULTIPLIED);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBlendMode(getPrimaryDisplayId(), layer, BlendMode::COVERAGE);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerColor) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerColor(getPrimaryDisplayId(), layer, Color{1.0f, 1.0f, 1.0f, 1.0f});
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerColor(getPrimaryDisplayId(), layer, Color{0.0f, 0.0f, 0.0f, 0.0f});
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerCompositionType) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerCompositionType(getPrimaryDisplayId(), layer, Composition::CLIENT);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerCompositionType(getPrimaryDisplayId(), layer, Composition::DEVICE);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerCompositionType(getPrimaryDisplayId(), layer, Composition::SOLID_COLOR);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerCompositionType(getPrimaryDisplayId(), layer, Composition::CURSOR);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, DisplayDecoration) {
    for (VtsDisplay& display : mDisplays) {
        const auto [layerStatus, layer] =
                mComposerClient->createLayer(display.getDisplayId(), kBufferSlotCount);
        EXPECT_TRUE(layerStatus.isOk());

        const auto [error, support] =
                mComposerClient->getDisplayDecorationSupport(display.getDisplayId());

        const auto format = (error.isOk() && support) ? support->format
                        : aidl::android::hardware::graphics::common::PixelFormat::RGBA_8888;
        const auto decorBuffer = allocate(static_cast<::android::PixelFormat>(format));
        ASSERT_NE(nullptr, decorBuffer);
        if (::android::OK != decorBuffer->initCheck()) {
            if (support) {
                FAIL() << "Device advertised display decoration support with format  "
                       << aidl::android::hardware::graphics::common::toString(format)
                       << " but failed to allocate it!";
            } else {
                FAIL() << "Device advertised NO display decoration support, but it should "
                       << "still be able to allocate "
                       << aidl::android::hardware::graphics::common::toString(format);
            }
        }

        mWriter.setLayerBuffer(display.getDisplayId(), layer, /*slot*/ 0, decorBuffer->handle,
                               /*acquireFence*/ -1);
        mWriter.setLayerCompositionType(display.getDisplayId(), layer,
                                        Composition::DISPLAY_DECORATION);
        mWriter.validateDisplay(display.getDisplayId(), ComposerClientWriter::kNoTimestamp);
        execute();
        if (support) {
            ASSERT_TRUE(mReader.takeErrors().empty());
        } else {
            const auto errors = mReader.takeErrors();
            ASSERT_EQ(1, errors.size());
            EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, errors[0].errorCode);
        }
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerDataspace) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerDataspace(getPrimaryDisplayId(), layer, Dataspace::UNKNOWN);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerDisplayFrame) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerDisplayFrame(getPrimaryDisplayId(), layer, Rect{0, 0, 1, 1});
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerPlaneAlpha) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerPlaneAlpha(getPrimaryDisplayId(), layer, /*alpha*/ 0.0f);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerPlaneAlpha(getPrimaryDisplayId(), layer, /*alpha*/ 1.0f);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerSidebandStream) {
    if (!hasCapability(Capability::SIDEBAND_STREAM)) {
        GTEST_SUCCEED() << "no sideband stream support";
        return;
    }

    const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
    const auto handle = buffer->handle;
    ASSERT_NE(nullptr, handle);

    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerSidebandStream(getPrimaryDisplayId(), layer, handle);
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerSourceCrop) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerSourceCrop(getPrimaryDisplayId(), layer, FRect{0.0f, 0.0f, 1.0f, 1.0f});
    execute();
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerTransform) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, static_cast<Transform>(0));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, Transform::FLIP_H);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, Transform::FLIP_V);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, Transform::ROT_90);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, Transform::ROT_180);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer, Transform::ROT_270);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer,
                              static_cast<Transform>(static_cast<int>(Transform::FLIP_H) |
                                                     static_cast<int>(Transform::ROT_90)));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerTransform(getPrimaryDisplayId(), layer,
                              static_cast<Transform>(static_cast<int>(Transform::FLIP_V) |
                                                     static_cast<int>(Transform::ROT_90)));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerVisibleRegion) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    Rect empty{0, 0, 0, 0};
    Rect unit{0, 0, 1, 1};

    mWriter.setLayerVisibleRegion(getPrimaryDisplayId(), layer, std::vector<Rect>(1, empty));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerVisibleRegion(getPrimaryDisplayId(), layer, std::vector<Rect>(1, unit));
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerVisibleRegion(getPrimaryDisplayId(), layer, std::vector<Rect>());
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerZOrder) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    mWriter.setLayerZOrder(getPrimaryDisplayId(), layer, /*z*/ 10);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerZOrder(getPrimaryDisplayId(), layer, /*z*/ 0);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());
}

TEST_P(GraphicsComposerAidlCommandTest, SetLayerPerFrameMetadata) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
    EXPECT_TRUE(layerStatus.isOk());

    /**
     * DISPLAY_P3 is a color space that uses the DCI_P3 primaries,
     * the D65 white point and the SRGB transfer functions.
     * Rendering Intent: Colorimetric
     * Primaries:
     *                  x       y
     *  green           0.265   0.690
     *  blue            0.150   0.060
     *  red             0.680   0.320
     *  white (D65)     0.3127  0.3290
     */

    std::vector<PerFrameMetadata> aidlMetadata;
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_RED_PRIMARY_X, 0.680f});
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_RED_PRIMARY_Y, 0.320f});
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_X, 0.265f});
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_Y, 0.690f});
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_X, 0.150f});
    aidlMetadata.push_back({PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_Y, 0.060f});
    aidlMetadata.push_back({PerFrameMetadataKey::WHITE_POINT_X, 0.3127f});
    aidlMetadata.push_back({PerFrameMetadataKey::WHITE_POINT_Y, 0.3290f});
    aidlMetadata.push_back({PerFrameMetadataKey::MAX_LUMINANCE, 100.0f});
    aidlMetadata.push_back({PerFrameMetadataKey::MIN_LUMINANCE, 0.1f});
    aidlMetadata.push_back({PerFrameMetadataKey::MAX_CONTENT_LIGHT_LEVEL, 78.0});
    aidlMetadata.push_back({PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL, 62.0});
    mWriter.setLayerPerFrameMetadata(getPrimaryDisplayId(), layer, aidlMetadata);
    execute();

    const auto errors = mReader.takeErrors();
    if (errors.size() == 1 && errors[0].errorCode == EX_UNSUPPORTED_OPERATION) {
        GTEST_SUCCEED() << "SetLayerPerFrameMetadata is not supported";
        EXPECT_TRUE(mComposerClient->destroyLayer(getPrimaryDisplayId(), layer).isOk());
        return;
    }

    EXPECT_TRUE(mComposerClient->destroyLayer(getPrimaryDisplayId(), layer).isOk());
}

TEST_P(GraphicsComposerAidlCommandTest, setLayerBrightness) {
    const auto& [layerStatus, layer] =
            mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);

    mWriter.setLayerBrightness(getPrimaryDisplayId(), layer, 0.2f);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBrightness(getPrimaryDisplayId(), layer, 1.f);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBrightness(getPrimaryDisplayId(), layer, 0.f);
    execute();
    ASSERT_TRUE(mReader.takeErrors().empty());

    mWriter.setLayerBrightness(getPrimaryDisplayId(), layer, -1.f);
    execute();
    {
        const auto errors = mReader.takeErrors();
        ASSERT_EQ(1, errors.size());
        EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, errors[0].errorCode);
    }

    mWriter.setLayerBrightness(getPrimaryDisplayId(), layer, std::nanf(""));
    execute();
    {
        const auto errors = mReader.takeErrors();
        ASSERT_EQ(1, errors.size());
        EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, errors[0].errorCode);
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetActiveConfigWithConstraints) {
    Test_setActiveConfigWithConstraints({.delayForChange = 0, .refreshMiss = false});
}

TEST_P(GraphicsComposerAidlCommandTest, SetActiveConfigWithConstraints_Delayed) {
    Test_setActiveConfigWithConstraints({.delayForChange = 300'000'000,  // 300ms
                                         .refreshMiss = false});
}

TEST_P(GraphicsComposerAidlCommandTest, SetActiveConfigWithConstraints_MissRefresh) {
    Test_setActiveConfigWithConstraints({.delayForChange = 0, .refreshMiss = true});
}

TEST_P(GraphicsComposerAidlCommandTest, GetDisplayVsyncPeriod) {
    for (VtsDisplay& display : mDisplays) {
        const auto& [status, configs] = mComposerClient->getDisplayConfigs(display.getDisplayId());
        EXPECT_TRUE(status.isOk());

        for (int32_t config : configs) {
            int32_t expectedVsyncPeriodNanos = display.getDisplayConfig(config).vsyncPeriod;

            VsyncPeriodChangeConstraints constraints;

            constraints.desiredTimeNanos = systemTime();
            constraints.seamlessRequired = false;

            const auto& [timelineStatus, timeline] =
                    mComposerClient->setActiveConfigWithConstraints(&display, config, constraints);
            EXPECT_TRUE(timelineStatus.isOk());

            if (timeline.refreshRequired) {
                sendRefreshFrame(display, &timeline);
            }
            waitForVsyncPeriodChange(display.getDisplayId(), timeline, constraints.desiredTimeNanos,
                                     /*odPeriodNanos*/ 0, expectedVsyncPeriodNanos);

            int32_t vsyncPeriodNanos;
            int retryCount = 100;
            do {
                std::this_thread::sleep_for(10ms);
                const auto& [vsyncPeriodNanosStatus, vsyncPeriodNanosValue] =
                        mComposerClient->getDisplayVsyncPeriod(display.getDisplayId());

                EXPECT_TRUE(vsyncPeriodNanosStatus.isOk());
                vsyncPeriodNanos = vsyncPeriodNanosValue;
                --retryCount;
            } while (vsyncPeriodNanos != expectedVsyncPeriodNanos && retryCount > 0);

            EXPECT_EQ(vsyncPeriodNanos, expectedVsyncPeriodNanos);

            // Make sure that the vsync period stays the same if the active config is not
            // changed.
            auto timeout = 1ms;
            for (int i = 0; i < 10; i++) {
                std::this_thread::sleep_for(timeout);
                timeout *= 2;
                vsyncPeriodNanos = 0;
                const auto& [vsyncPeriodNanosStatus, vsyncPeriodNanosValue] =
                        mComposerClient->getDisplayVsyncPeriod(display.getDisplayId());

                EXPECT_TRUE(vsyncPeriodNanosStatus.isOk());
                vsyncPeriodNanos = vsyncPeriodNanosValue;
                EXPECT_EQ(vsyncPeriodNanos, expectedVsyncPeriodNanos);
            }
        }
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetActiveConfigWithConstraints_SeamlessNotAllowed) {
    VsyncPeriodChangeConstraints constraints;
    constraints.seamlessRequired = true;
    constraints.desiredTimeNanos = systemTime();

    for (VtsDisplay& display : mDisplays) {
        forEachTwoConfigs(display.getDisplayId(), [&](int32_t config1, int32_t config2) {
            int32_t configGroup1 = display.getDisplayConfig(config1).configGroup;
            int32_t configGroup2 = display.getDisplayConfig(config2).configGroup;
            if (configGroup1 != configGroup2) {
                EXPECT_TRUE(mComposerClient->setActiveConfig(&display, config1).isOk());
                sendRefreshFrame(display, nullptr);
                const auto& [status, _] = mComposerClient->setActiveConfigWithConstraints(
                        &display, config2, constraints);
                EXPECT_FALSE(status.isOk());
                EXPECT_EQ(IComposerClient::EX_SEAMLESS_NOT_ALLOWED,
                          status.getServiceSpecificError());
            }
        });
    }
}

TEST_P(GraphicsComposerAidlCommandTest, ExpectedPresentTime_NoTimestamp) {
    ASSERT_NO_FATAL_FAILURE(Test_expectedPresentTime(/*framesDelay*/ std::nullopt));
}

TEST_P(GraphicsComposerAidlCommandTest, ExpectedPresentTime_0) {
    ASSERT_NO_FATAL_FAILURE(Test_expectedPresentTime(/*framesDelay*/ 0));
}

TEST_P(GraphicsComposerAidlCommandTest, ExpectedPresentTime_5) {
    ASSERT_NO_FATAL_FAILURE(Test_expectedPresentTime(/*framesDelay*/ 5));
}

TEST_P(GraphicsComposerAidlCommandTest, SetIdleTimerEnabled_Unsupported) {
    const bool hasDisplayIdleTimerSupport =
            hasDisplayCapability(getPrimaryDisplayId(), DisplayCapability::DISPLAY_IDLE_TIMER);
    if (!hasDisplayIdleTimerSupport) {
        const auto& status =
                mComposerClient->setIdleTimerEnabled(getPrimaryDisplayId(), /*timeout*/ 0);
        EXPECT_FALSE(status.isOk());
        EXPECT_EQ(IComposerClient::EX_UNSUPPORTED, status.getServiceSpecificError());
    }
}

TEST_P(GraphicsComposerAidlCommandTest, SetIdleTimerEnabled_BadParameter) {
    const bool hasDisplayIdleTimerSupport =
            hasDisplayCapability(getPrimaryDisplayId(), DisplayCapability::DISPLAY_IDLE_TIMER);
    if (!hasDisplayIdleTimerSupport) {
        GTEST_SUCCEED() << "DisplayCapability::DISPLAY_IDLE_TIMER is not supported";
        return;
    }

    const auto& status =
            mComposerClient->setIdleTimerEnabled(getPrimaryDisplayId(), /*timeout*/ -1);
    EXPECT_FALSE(status.isOk());
    EXPECT_EQ(IComposerClient::EX_BAD_PARAMETER, status.getServiceSpecificError());
}

TEST_P(GraphicsComposerAidlCommandTest, SetIdleTimerEnabled_Disable) {
    const bool hasDisplayIdleTimerSupport =
            hasDisplayCapability(getPrimaryDisplayId(), DisplayCapability::DISPLAY_IDLE_TIMER);
    if (!hasDisplayIdleTimerSupport) {
        GTEST_SUCCEED() << "DisplayCapability::DISPLAY_IDLE_TIMER is not supported";
        return;
    }

    EXPECT_TRUE(mComposerClient->setIdleTimerEnabled(getPrimaryDisplayId(), /*timeout*/ 0).isOk());
    std::this_thread::sleep_for(1s);
    EXPECT_EQ(0, mComposerClient->getVsyncIdleCount());
}

TEST_P(GraphicsComposerAidlCommandTest, SetIdleTimerEnabled_Timeout_2) {
    const bool hasDisplayIdleTimerSupport =
            hasDisplayCapability(getPrimaryDisplayId(), DisplayCapability::DISPLAY_IDLE_TIMER);
    if (!hasDisplayIdleTimerSupport) {
        GTEST_SUCCEED() << "DisplayCapability::DISPLAY_IDLE_TIMER is not supported";
        return;
    }

    EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());
    EXPECT_TRUE(mComposerClient->setIdleTimerEnabled(getPrimaryDisplayId(), /*timeout*/ 0).isOk());

    const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
    ASSERT_NE(nullptr, buffer->handle);

    const auto layer = createOnScreenLayer();
    mWriter.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, buffer->handle,
                           /*acquireFence*/ -1);
    int32_t vsyncIdleCount = mComposerClient->getVsyncIdleCount();
    auto earlyVsyncIdleTime = systemTime() + std::chrono::nanoseconds(2s).count();
    EXPECT_TRUE(
            mComposerClient->setIdleTimerEnabled(getPrimaryDisplayId(), /*timeout*/ 2000).isOk());

    const sp<::android::Fence> presentFence =
            presentAndGetFence(ComposerClientWriter::kNoTimestamp);
    presentFence->waitForever(LOG_TAG);

    std::this_thread::sleep_for(3s);
    if (vsyncIdleCount < mComposerClient->getVsyncIdleCount()) {
        EXPECT_GE(mComposerClient->getVsyncIdleTime(), earlyVsyncIdleTime);
    }

    EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::OFF).isOk());
}

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(GraphicsComposerAidlCommandTest);
INSTANTIATE_TEST_SUITE_P(
        PerInstance, GraphicsComposerAidlCommandTest,
        testing::ValuesIn(::android::getAidlHalInstanceNames(IComposer::descriptor)),
        ::android::PrintInstanceNameToString);

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(GraphicsComposerAidlTest);
INSTANTIATE_TEST_SUITE_P(
        PerInstance, GraphicsComposerAidlTest,
        testing::ValuesIn(::android::getAidlHalInstanceNames(IComposer::descriptor)),
        ::android::PrintInstanceNameToString);
}  // namespace
}  // namespace aidl::android::hardware::graphics::composer3::vts

int main(int argc, char** argv) {
    ::testing::InitGoogleTest(&argc, argv);

    using namespace std::chrono_literals;
    if (!android::base::WaitForProperty("init.svc.surfaceflinger", "stopped", 10s)) {
        ALOGE("Failed to stop init.svc.surfaceflinger");
        return -1;
    }

    android::ProcessState::self()->setThreadPoolMaxThreadCount(4);

    // The binder threadpool we start will inherit sched policy and priority
    // of (this) creating thread. We want the binder thread pool to have
    // SCHED_FIFO policy and priority 1 (lowest RT priority)
    // Once the pool is created we reset this thread's priority back to
    // original.
    // This thread policy is based on what we do in the SurfaceFlinger while starting
    // the thread pool and we need to replicate that for the VTS tests.
    int newPriority = 0;
    int origPolicy = sched_getscheduler(0);
    struct sched_param origSchedParam;

    int errorInPriorityModification = sched_getparam(0, &origSchedParam);
    if (errorInPriorityModification == 0) {
        int policy = SCHED_FIFO;
        newPriority = sched_get_priority_min(policy);

        struct sched_param param;
        param.sched_priority = newPriority;

        errorInPriorityModification = sched_setscheduler(0, policy, &param);
    }

    // start the thread pool
    android::ProcessState::self()->startThreadPool();

    // Reset current thread's policy and priority
    if (errorInPriorityModification == 0) {
        errorInPriorityModification = sched_setscheduler(0, origPolicy, &origSchedParam);
    } else {
        ALOGE("Failed to set VtsHalGraphicsComposer3_TargetTest binder threadpool priority to "
              "SCHED_FIFO");
    }

    return RUN_ALL_TESTS();
}