Add boot time display mode to native framework

Bug: 203520442
Test: m
Test: atest libsurfaceflinger_unittest
Test: atest libgui_test

Change-Id: I61ad0c75576a4e1ee54d657e6906bc5d6c10afaf
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index a931709..0227043 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -428,6 +428,94 @@
         return static_cast<status_t>(reply.readInt32());
     }
 
+    // TODO(b/213909104) : Add unit tests to verify surface flinger boot time APIs
+    status_t getBootDisplayModeSupport(bool* outSupport) const override {
+        Parcel data, reply;
+        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (error != NO_ERROR) {
+            ALOGE("getBootDisplayModeSupport: failed to write interface token: %d", error);
+            return error;
+        }
+        error = remote()->transact(BnSurfaceComposer::GET_BOOT_DISPLAY_MODE_SUPPORT, data, &reply);
+        if (error != NO_ERROR) {
+            ALOGE("getBootDisplayModeSupport: failed to transact: %d", error);
+            return error;
+        }
+        bool support;
+        error = reply.readBool(&support);
+        if (error != NO_ERROR) {
+            ALOGE("getBootDisplayModeSupport: failed to read support: %d", error);
+            return error;
+        }
+        *outSupport = support;
+        return NO_ERROR;
+    }
+
+    status_t setBootDisplayMode(const sp<IBinder>& display,
+                                ui::DisplayModeId displayModeId) override {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("setBootDisplayMode failed to writeInterfaceToken: %d", result);
+            return result;
+        }
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("setBootDisplayMode failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = data.writeInt32(displayModeId);
+        if (result != NO_ERROR) {
+            ALOGE("setBootDisplayMode failed to writeIint32: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::SET_BOOT_DISPLAY_MODE, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("setBootDisplayMode failed to transact: %d", result);
+        }
+        return result;
+    }
+
+    status_t clearBootDisplayMode(const sp<IBinder>& display) override {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("clearBootDisplayMode failed to writeInterfaceToken: %d", result);
+            return result;
+        }
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("clearBootDisplayMode failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::CLEAR_BOOT_DISPLAY_MODE, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("clearBootDisplayMode failed to transact: %d", result);
+        }
+        return result;
+    }
+
+    status_t getPreferredBootDisplayMode(const sp<IBinder>& display,
+                                         ui::DisplayModeId* displayModeId) override {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("getPreferredBootDisplayMode failed to writeInterfaceToken: %d", result);
+            return result;
+        }
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("getPreferredBootDisplayMode failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::GET_PREFERRED_BOOT_DISPLAY_MODE, data,
+                                    &reply);
+        if (result == NO_ERROR) {
+            reply.writeInt32(*displayModeId);
+        }
+        return result;
+    }
+
     void setAutoLowLatencyMode(const sp<IBinder>& display, bool on) override {
         Parcel data, reply;
         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -1521,6 +1609,56 @@
             result = reply->writeInt32(result);
             return result;
         }
+        case GET_BOOT_DISPLAY_MODE_SUPPORT: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            bool support = false;
+            status_t result = getBootDisplayModeSupport(&support);
+            if (result == NO_ERROR) {
+                reply->writeBool(support);
+            }
+            return result;
+        }
+        case SET_BOOT_DISPLAY_MODE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("setBootDisplayMode failed to readStrongBinder: %d", result);
+                return result;
+            }
+            ui::DisplayModeId displayModeId;
+            result = data.readInt32(&displayModeId);
+            if (result != NO_ERROR) {
+                ALOGE("setBootDisplayMode failed to readInt32: %d", result);
+                return result;
+            }
+            return setBootDisplayMode(display, displayModeId);
+        }
+        case CLEAR_BOOT_DISPLAY_MODE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("clearBootDisplayMode failed to readStrongBinder: %d", result);
+                return result;
+            }
+            return clearBootDisplayMode(display);
+        }
+        case GET_PREFERRED_BOOT_DISPLAY_MODE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("getPreferredBootDisplayMode failed to readStrongBinder: %d", result);
+                return result;
+            }
+            ui::DisplayModeId displayModeId;
+            result = getPreferredBootDisplayMode(display, &displayModeId);
+            if (result == NO_ERROR) {
+                reply->writeInt32(displayModeId);
+            }
+            return result;
+        }
         case SET_AUTO_LOW_LATENCY_MODE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             sp<IBinder> display = nullptr;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index b10c384..6dbdcd0 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -2075,6 +2075,25 @@
     return ComposerService::getComposerService()->setActiveColorMode(display, colorMode);
 }
 
+status_t SurfaceComposerClient::getBootDisplayModeSupport(bool* support) {
+    return ComposerService::getComposerService()->getBootDisplayModeSupport(support);
+}
+
+status_t SurfaceComposerClient::setBootDisplayMode(const sp<IBinder>& display,
+                                                   ui::DisplayModeId displayModeId) {
+    return ComposerService::getComposerService()->setBootDisplayMode(display, displayModeId);
+}
+
+status_t SurfaceComposerClient::clearBootDisplayMode(const sp<IBinder>& display) {
+    return ComposerService::getComposerService()->clearBootDisplayMode(display);
+}
+
+status_t SurfaceComposerClient::getPreferredBootDisplayMode(const sp<IBinder>& display,
+                                                            ui::DisplayModeId* displayModeId) {
+    return ComposerService::getComposerService()->getPreferredBootDisplayMode(display,
+                                                                              displayModeId);
+}
+
 void SurfaceComposerClient::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
     ComposerService::getComposerService()->setAutoLowLatencyMode(display, on);
 }
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 69dce9d..f37580c 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -224,6 +224,35 @@
             ui::ColorMode colorMode) = 0;
 
     /**
+     * Sets the user-preferred display mode that a device should boot in.
+     */
+    virtual status_t setBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId) = 0;
+
+    /**
+     * Clears the user-preferred display mode. The device should now boot in system preferred
+     * display mode.
+     */
+    virtual status_t clearBootDisplayMode(const sp<IBinder>& display) = 0;
+
+    /**
+     * Gets the display mode in which the device boots if there is no user-preferred display mode.
+     */
+    virtual status_t getPreferredBootDisplayMode(const sp<IBinder>& display,
+                                                 ui::DisplayModeId*) = 0;
+
+    /**
+     * Gets whether boot time display mode operations are supported on the device.
+     *
+     * outSupport
+     *      An output parameter for whether boot time display mode operations are supported.
+     *
+     * Returns NO_ERROR upon success. Otherwise,
+     *      NAME_NOT_FOUND if the display is invalid, or
+     *      BAD_VALUE      if the output parameter is invalid.
+     */
+    virtual status_t getBootDisplayModeSupport(bool* outSupport) const = 0;
+
+    /**
      * Switches Auto Low Latency Mode on/off on the connected display, if it is
      * available. This should only be called if the display supports Auto Low
      * Latency Mode as reported in #getDynamicDisplayInfo.
@@ -645,6 +674,10 @@
         REMOVE_WINDOW_INFOS_LISTENER,
         GET_PRIMARY_PHYSICAL_DISPLAY_ID,
         GET_DISPLAY_DECORATION_SUPPORT,
+        GET_BOOT_DISPLAY_MODE_SUPPORT,
+        SET_BOOT_DISPLAY_MODE,
+        CLEAR_BOOT_DISPLAY_MODE,
+        GET_PREFERRED_BOOT_DISPLAY_MODE,
         // Always append new enum to the end.
     };
 
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index b739b3c..4eef111 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -167,6 +167,15 @@
     static status_t setActiveColorMode(const sp<IBinder>& display,
             ui::ColorMode colorMode);
 
+    // Gets if boot display mode operations are supported on a device
+    static status_t getBootDisplayModeSupport(bool* support);
+    // Sets the user-preferred display mode that a device should boot in
+    static status_t setBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId);
+    // Clears the user-preferred display mode
+    static status_t clearBootDisplayMode(const sp<IBinder>& display);
+    // Gets the display mode in which the device boots if there is no user-preferred display mode
+    static status_t getPreferredBootDisplayMode(const sp<IBinder>& display, ui::DisplayModeId*);
+
     // Switches on/off Auto Low Latency Mode on the connected display. This should only be
     // called if the connected display supports Auto Low Latency Mode as reported by
     // #getAutoLowLatencyModeSupport
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index d5e089a..999874b 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -755,6 +755,15 @@
     }
     status_t setActiveColorMode(const sp<IBinder>& /*display*/,
         ColorMode /*colorMode*/) override { return NO_ERROR; }
+    status_t getBootDisplayModeSupport(bool* /*outSupport*/) const override { return NO_ERROR; }
+    status_t setBootDisplayMode(const sp<IBinder>& /*display*/, ui::DisplayModeId /*id*/) override {
+        return NO_ERROR;
+    }
+    status_t clearBootDisplayMode(const sp<IBinder>& /*display*/) override { return NO_ERROR; }
+    status_t getPreferredBootDisplayMode(const sp<IBinder>& /*display*/,
+                                         ui::DisplayModeId* /*id*/) override {
+        return NO_ERROR;
+    }
     void setAutoLowLatencyMode(const sp<IBinder>& /*display*/, bool /*on*/) override {}
     void setGameContentType(const sp<IBinder>& /*display*/, bool /*on*/) override {}