[Composer VTS] Adds VTS for getDisplayConfigurations

Test getDisplayConfigurations on the version 3 of the composer.

Test: atest VtsHalGraphicsComposer3_TargetTest
BUG: 287518719
BUG: 284866749
Change-Id: Ibb654dbeb4b164d86f92f51f8083ed1ab06fcfa4
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.cpp b/graphics/composer/aidl/vts/VtsComposerClient.cpp
index 25b0ca0..bf42d88 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.cpp
+++ b/graphics/composer/aidl/vts/VtsComposerClient.cpp
@@ -58,7 +58,7 @@
     return verifyComposerCallbackParams() && destroyAllLayers();
 }
 
-std::pair<ScopedAStatus, int32_t> VtsComposerClient::getInterfaceVersion() {
+std::pair<ScopedAStatus, int32_t> VtsComposerClient::getInterfaceVersion() const {
     int32_t version = 1;
     auto status = mComposerClient->getInterfaceVersion(&version);
     return {std::move(status), version};
@@ -295,7 +295,24 @@
 std::pair<ScopedAStatus, std::vector<int32_t>> VtsComposerClient::getDisplayConfigs(
         int64_t display) {
     std::vector<int32_t> outConfigs;
-    return {mComposerClient->getDisplayConfigs(display, &outConfigs), outConfigs};
+    if (!getDisplayConfigurationSupported()) {
+        return {mComposerClient->getDisplayConfigs(display, &outConfigs), outConfigs};
+    }
+
+    auto [status, configs] = getDisplayConfigurations(display);
+    if (!status.isOk()) {
+        return {std::move(status), outConfigs};
+    }
+    for (const auto& config : configs) {
+        outConfigs.emplace_back(config.configId);
+    }
+    return {std::move(status), outConfigs};
+}
+
+std::pair<ScopedAStatus, std::vector<DisplayConfiguration>>
+VtsComposerClient::getDisplayConfigurations(int64_t display) {
+    std::vector<DisplayConfiguration> outConfigs;
+    return {mComposerClient->getDisplayConfigurations(display, &outConfigs), outConfigs};
 }
 
 std::pair<ScopedAStatus, int32_t> VtsComposerClient::getDisplayVsyncPeriod(int64_t display) {
@@ -439,31 +456,41 @@
         vtsDisplays.reserve(displays.size());
         for (int64_t display : displays) {
             auto vtsDisplay = VtsDisplay{display};
-            auto configs = getDisplayConfigs(display);
-            if (!configs.first.isOk()) {
-                ALOGE("Unable to get the displays for test, failed to get the configs "
-                      "for display %" PRId64,
-                      display);
-                return {std::move(configs.first), vtsDisplays};
-            }
-            for (int config : configs.second) {
-                auto status = addDisplayConfig(&vtsDisplay, config);
+            if (getDisplayConfigurationSupported()) {
+                auto [status, configs] = getDisplayConfigurations(display);
                 if (!status.isOk()) {
-                    ALOGE("Unable to get the displays for test, failed to add config "
+                    ALOGE("Unable to get the displays for test, failed to get the DisplayConfigs "
                           "for display %" PRId64,
                           display);
                     return {std::move(status), vtsDisplays};
                 }
+                addDisplayConfigs(&vtsDisplay, configs);
+            } else {
+                auto [status, configs] = getDisplayConfigs(display);
+                if (!status.isOk()) {
+                    ALOGE("Unable to get the displays for test, failed to get the configs "
+                          "for display %" PRId64,
+                          display);
+                    return {std::move(status), vtsDisplays};
+                }
+                for (int config : configs) {
+                    status = addDisplayConfigLegacy(&vtsDisplay, config);
+                    if (!status.isOk()) {
+                        ALOGE("Unable to get the displays for test, failed to add config "
+                              "for display %" PRId64,
+                              display);
+                        return {std::move(status), vtsDisplays};
+                    }
+                }
             }
-
-            auto config = getActiveConfig(display);
-            if (!config.first.isOk()) {
+            auto activeConfig = getActiveConfig(display);
+            if (!activeConfig.first.isOk()) {
                 ALOGE("Unable to get the displays for test, failed to get active config "
-                      "for display %" PRId64, display);
-                return {std::move(config.first), vtsDisplays};
+                      "for display %" PRId64,
+                      display);
+                return {std::move(activeConfig.first), vtsDisplays};
             }
-
-            auto status = updateDisplayProperties(&vtsDisplay, config.second);
+            auto status = updateDisplayProperties(&vtsDisplay, activeConfig.second);
             if (!status.isOk()) {
                 ALOGE("Unable to get the displays for test, "
                       "failed to update the properties "
@@ -480,39 +507,53 @@
     }
 }
 
-ScopedAStatus VtsComposerClient::addDisplayConfig(VtsDisplay* vtsDisplay, int32_t config) {
-    const auto width =
-            getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::WIDTH);
-    const auto height =
-            getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::HEIGHT);
+void VtsComposerClient::addDisplayConfigs(VtsDisplay* vtsDisplay,
+                                          const std::vector<DisplayConfiguration>& configs) {
+    for (const auto& config : configs) {
+        vtsDisplay->addDisplayConfig(config.configId, {config.vsyncPeriod, config.configGroup});
+    }
+}
+
+ScopedAStatus VtsComposerClient::addDisplayConfigLegacy(VtsDisplay* vtsDisplay, int32_t config) {
     const auto vsyncPeriod =
             getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::VSYNC_PERIOD);
     const auto configGroup =
             getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::CONFIG_GROUP);
-    if (width.first.isOk() && height.first.isOk() && vsyncPeriod.first.isOk() &&
-        configGroup.first.isOk()) {
+    if (vsyncPeriod.first.isOk() && configGroup.first.isOk()) {
         vtsDisplay->addDisplayConfig(config, {vsyncPeriod.second, configGroup.second});
         return ScopedAStatus::ok();
     }
 
-    LOG(ERROR) << "Failed to update display property for width: " << width.first.isOk()
-               << ", height: " << height.first.isOk() << ", vsync: " << vsyncPeriod.first.isOk()
+    LOG(ERROR) << "Failed to update display property vsync: " << vsyncPeriod.first.isOk()
                << ", config: " << configGroup.first.isOk();
     return ScopedAStatus::fromServiceSpecificError(IComposerClient::EX_BAD_CONFIG);
 }
 
 ScopedAStatus VtsComposerClient::updateDisplayProperties(VtsDisplay* vtsDisplay, int32_t config) {
-    const auto width =
-            getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::WIDTH);
-    const auto height =
-            getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::HEIGHT);
-    if (width.first.isOk() && height.first.isOk()) {
-        vtsDisplay->setDimensions(width.second, height.second);
-        return ScopedAStatus::ok();
-    }
+    if (getDisplayConfigurationSupported()) {
+        auto [status, configs] = getDisplayConfigurations(vtsDisplay->getDisplayId());
+        if (status.isOk()) {
+            for (const auto& displayConfig : configs) {
+                if (displayConfig.configId == config) {
+                    vtsDisplay->setDimensions(displayConfig.width, displayConfig.height);
+                    return ScopedAStatus::ok();
+                }
+            }
+        }
+        LOG(ERROR) << "Failed to update display property with DisplayConfig";
+    } else {
+        const auto width =
+                getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::WIDTH);
+        const auto height =
+                getDisplayAttribute(vtsDisplay->getDisplayId(), config, DisplayAttribute::HEIGHT);
+        if (width.first.isOk() && height.first.isOk()) {
+            vtsDisplay->setDimensions(width.second, height.second);
+            return ScopedAStatus::ok();
+        }
 
-    LOG(ERROR) << "Failed to update display property for width: " << width.first.isOk()
-               << ", height: " << height.first.isOk();
+        LOG(ERROR) << "Failed to update display property for width: " << width.first.isOk()
+                   << ", height: " << height.first.isOk();
+    }
     return ScopedAStatus::fromServiceSpecificError(IComposerClient::EX_BAD_CONFIG);
 }
 
@@ -576,6 +617,13 @@
     return isValid;
 }
 
+bool VtsComposerClient::getDisplayConfigurationSupported() const {
+    auto [status, interfaceVersion] = getInterfaceVersion();
+    EXPECT_TRUE(status.isOk());
+    // getDisplayConfigurations api is supported starting interface version 3
+    return interfaceVersion >= 3;
+}
+
 bool VtsComposerClient::destroyAllLayers() {
     std::unordered_map<int64_t, DisplayResource> physicalDisplays;
     while (!mDisplayResources.empty()) {
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.h b/graphics/composer/aidl/vts/VtsComposerClient.h
index ea3318c..1add23c 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.h
+++ b/graphics/composer/aidl/vts/VtsComposerClient.h
@@ -61,7 +61,7 @@
 
     bool tearDown();
 
-    std::pair<ScopedAStatus, int32_t> getInterfaceVersion();
+    std::pair<ScopedAStatus, int32_t> getInterfaceVersion() const;
 
     std::pair<ScopedAStatus, VirtualDisplay> createVirtualDisplay(int32_t width, int32_t height,
                                                                   PixelFormat pixelFormat,
@@ -142,6 +142,9 @@
 
     std::pair<ScopedAStatus, std::vector<int32_t>> getDisplayConfigs(int64_t display);
 
+    std::pair<ScopedAStatus, std::vector<DisplayConfiguration>> getDisplayConfigurations(
+            int64_t display);
+
     std::pair<ScopedAStatus, int32_t> getDisplayVsyncPeriod(int64_t display);
 
     ScopedAStatus setAutoLowLatencyMode(int64_t display, bool isEnabled);
@@ -190,7 +193,9 @@
     std::vector<RefreshRateChangedDebugData> takeListOfRefreshRateChangedDebugData();
 
   private:
-    ScopedAStatus addDisplayConfig(VtsDisplay* vtsDisplay, int32_t config);
+    void addDisplayConfigs(VtsDisplay*, const std::vector<DisplayConfiguration>&);
+    ScopedAStatus addDisplayConfigLegacy(VtsDisplay*, int32_t config);
+    bool getDisplayConfigurationSupported() const;
     ScopedAStatus updateDisplayProperties(VtsDisplay* vtsDisplay, int32_t config);
 
     ScopedAStatus addDisplayToDisplayResources(int64_t display, bool isVirtual);
diff --git a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
index bbcd36f..d559213 100644
--- a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
+++ b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
@@ -1208,6 +1208,110 @@
     }
 }
 
+class GraphicsComposerAidlV3Test : public GraphicsComposerAidlTest {
+  protected:
+    void SetUp() override {
+        GraphicsComposerAidlTest::SetUp();
+        if (getInterfaceVersion() <= 2) {
+            GTEST_SKIP() << "Device interface version is expected to be >= 3";
+        }
+    }
+};
+
+TEST_P(GraphicsComposerAidlV3Test, GetDisplayConfigurations) {
+    for (const auto& display : mDisplays) {
+        const auto& [status, displayConfigurations] =
+                mComposerClient->getDisplayConfigurations(display.getDisplayId());
+        EXPECT_TRUE(status.isOk());
+        EXPECT_FALSE(displayConfigurations.empty());
+
+        for (const auto& displayConfig : displayConfigurations) {
+            EXPECT_NE(-1, displayConfig.width);
+            EXPECT_NE(-1, displayConfig.height);
+            EXPECT_NE(-1, displayConfig.vsyncPeriod);
+            EXPECT_NE(-1, displayConfig.configGroup);
+            if (displayConfig.dpi) {
+                EXPECT_NE(-1, displayConfig.dpi->x);
+                EXPECT_NE(-1, displayConfig.dpi->y);
+            }
+        }
+    }
+}
+
+TEST_P(GraphicsComposerAidlV3Test, GetDisplayConfigsIsSubsetOfGetDisplayConfigurations) {
+    for (const auto& display : mDisplays) {
+        const auto& [status, displayConfigurations] =
+                mComposerClient->getDisplayConfigurations(display.getDisplayId());
+        EXPECT_TRUE(status.isOk());
+
+        const auto& [legacyConfigStatus, legacyConfigs] =
+                mComposerClient->getDisplayConfigs(display.getDisplayId());
+        EXPECT_TRUE(legacyConfigStatus.isOk());
+        EXPECT_FALSE(legacyConfigs.empty());
+        EXPECT_TRUE(legacyConfigs.size() <= displayConfigurations.size());
+
+        for (const auto legacyConfigId : legacyConfigs) {
+            const auto& legacyWidth = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::WIDTH);
+            const auto& legacyHeight = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::HEIGHT);
+            const auto& legacyVsyncPeriod = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::VSYNC_PERIOD);
+            const auto& legacyConfigGroup = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::CONFIG_GROUP);
+            const auto& legacyDpiX = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::DPI_X);
+            const auto& legacyDpiY = mComposerClient->getDisplayAttribute(
+                    display.getDisplayId(), legacyConfigId, DisplayAttribute::DPI_Y);
+
+            EXPECT_TRUE(legacyWidth.first.isOk() && legacyHeight.first.isOk() &&
+                        legacyVsyncPeriod.first.isOk() && legacyConfigGroup.first.isOk());
+
+            EXPECT_TRUE(std::any_of(
+                    displayConfigurations.begin(), displayConfigurations.end(),
+                    [&](const auto& displayConfiguration) {
+                        const bool requiredAttributesPredicate =
+                                displayConfiguration.configId == legacyConfigId &&
+                                displayConfiguration.width == legacyWidth.second &&
+                                displayConfiguration.height == legacyHeight.second &&
+                                displayConfiguration.vsyncPeriod == legacyVsyncPeriod.second &&
+                                displayConfiguration.configGroup == legacyConfigGroup.second;
+
+                        if (!requiredAttributesPredicate) {
+                            // Required attributes did not match
+                            return false;
+                        }
+
+                        // Check optional attributes
+                        const auto& [legacyDpiXStatus, legacyDpiXValue] = legacyDpiX;
+                        const auto& [legacyDpiYStatus, legacyDpiYValue] = legacyDpiY;
+                        if (displayConfiguration.dpi) {
+                            if (!legacyDpiXStatus.isOk() || !legacyDpiYStatus.isOk()) {
+                                // getDisplayAttribute failed for optional attributes
+                                return false;
+                            }
+
+                            // DPI values in DisplayConfigurations are not scaled (* 1000.f)
+                            // the way they are in the legacy DisplayConfigs.
+                            constexpr float kEpsilon = 0.001f;
+                            return std::abs(displayConfiguration.dpi->x -
+                                            legacyDpiXValue / 1000.f) < kEpsilon &&
+                                   std::abs(displayConfiguration.dpi->y -
+                                            legacyDpiYValue / 1000.f) < kEpsilon;
+                        } else {
+                            return !legacyDpiXStatus.isOk() && !legacyDpiYStatus.isOk() &&
+                                   EX_SERVICE_SPECIFIC == legacyDpiXStatus.getExceptionCode() &&
+                                   EX_SERVICE_SPECIFIC == legacyDpiYStatus.getExceptionCode() &&
+                                   IComposerClient::EX_UNSUPPORTED ==
+                                           legacyDpiXStatus.getServiceSpecificError() &&
+                                   IComposerClient::EX_UNSUPPORTED ==
+                                           legacyDpiYStatus.getServiceSpecificError();
+                        }
+                    }));
+        }
+    }
+}
+
 // Tests for Command.
 class GraphicsComposerAidlCommandTest : public GraphicsComposerAidlTest {
   protected:
@@ -2641,6 +2745,11 @@
         PerInstance, GraphicsComposerAidlV2Test,
         testing::ValuesIn(::android::getAidlHalInstanceNames(IComposer::descriptor)),
         ::android::PrintInstanceNameToString);
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(GraphicsComposerAidlV3Test);
+INSTANTIATE_TEST_SUITE_P(
+        PerInstance, GraphicsComposerAidlV3Test,
+        testing::ValuesIn(::android::getAidlHalInstanceNames(IComposer::descriptor)),
+        ::android::PrintInstanceNameToString);
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(GraphicsComposerAidlCommandV2Test);
 INSTANTIATE_TEST_SUITE_P(
         PerInstance, GraphicsComposerAidlCommandV2Test,