Add global property to store opt-in application package name. (4ce7aa17) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -5594,7 +5594,7 @@ public final class ActivityThread extends ClientTransactionHandler {
		}
		}

		GraphicsEnvironment.getInstance().setup(context);
		GraphicsEnvironment.getInstance().setup(context, mCoreSettings);
		Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
		}

core/java/android/os/GraphicsEnvironment.java

+28 −23

Original line number	Diff line number	Diff line
		@@ -33,8 +33,6 @@ import java.io.File;
		import java.io.IOException;
		import java.io.InputStream;
		import java.io.InputStreamReader;
		import java.util.HashSet;
		import java.util.Set;

		/** @hide */
		public class GraphicsEnvironment {
		@@ -60,9 +58,9 @@ public class GraphicsEnvironment {
		/**
		* Set up GraphicsEnvironment
		*/
		public void setup(Context context) {
		public void setup(Context context, Bundle coreSettings) {
		setupGpuLayers(context);
		chooseDriver(context);
		chooseDriver(context, coreSettings);
		}

		/**
		@@ -141,11 +139,12 @@ public class GraphicsEnvironment {
		/**
		* Choose whether the current process should use the builtin or an updated driver.
		*/
		private static void chooseDriver(Context context) {
		private static void chooseDriver(Context context, Bundle coreSettings) {
		String driverPackageName = SystemProperties.get(PROPERTY_GFX_DRIVER);
		if (driverPackageName == null \|\| driverPackageName.isEmpty()) {
		return;
		}

		// To minimize risk of driver updates crippling the device beyond user repair, never use an
		// updated driver for privileged or non-updated system apps. Presumably pre-installed apps
		// were tested thoroughly with the pre-installed driver.
		@@ -154,12 +153,16 @@ public class GraphicsEnvironment {
		if (DEBUG) Log.v(TAG, "ignoring driver package for privileged/non-updated system app");
		return;
		}
		Set<String> whitelist = loadWhitelist(context, driverPackageName);

		// Empty whitelist implies no updatable graphics driver. Typically, the pre-installed
		// updatable graphics driver is supposed to be a place holder and contains no graphics
		// driver and whitelist.
		if (whitelist == null \|\| whitelist.isEmpty()) {
		String applicationPackageName = context.getPackageName();
		String devOptInApplicationName = coreSettings.getString(
		Settings.Global.UPDATED_GFX_DRIVER_DEV_OPT_IN_APP);
		boolean devOptIn = applicationPackageName.equals(devOptInApplicationName);
		boolean whitelisted = onWhitelist(context, driverPackageName, ai.packageName);
		if (!devOptIn && !whitelisted) {
		if (DEBUG) {
		Log.w(TAG, applicationPackageName + " is not on the whitelist.");
		}
		return;
		}

		@@ -171,12 +174,6 @@ public class GraphicsEnvironment {
		Log.w(TAG, "driver package '" + driverPackageName + "' not installed");
		return;
		}
		if (!whitelist.contains(context.getPackageName())) {
		if (DEBUG) {
		Log.w(TAG, context.getPackageName() + " is not on the whitelist.");
		}
		return;
		}

		// O drivers are restricted to the sphal linker namespace, so don't try to use
		// packages unless they declare they're compatible with that restriction.
		@@ -242,10 +239,18 @@ public class GraphicsEnvironment {
		return null;
		}

		private static Set<String> loadWhitelist(Context context, String driverPackageName) {
		private static boolean onWhitelist(Context context, String driverPackageName,
		String applicationPackageName) {
		String whitelistName = SystemProperties.get(PROPERTY_GFX_DRIVER_WHITELIST);

		// Empty whitelist implies no updatable graphics driver. Typically, the pre-installed
		// updatable graphics driver is supposed to be a place holder and contains no graphics
		// driver and whitelist.
		if (whitelistName == null \|\| whitelistName.isEmpty()) {
		return null;
		if (DEBUG) {
		Log.w(TAG, "No whitelist found.");
		}
		return false;
		}
		try {
		Context driverContext = context.createPackageContext(driverPackageName,
		@@ -253,11 +258,11 @@ public class GraphicsEnvironment {
		AssetManager assets = driverContext.getAssets();
		InputStream stream = assets.open(whitelistName);
		BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
		Set<String> whitelist = new HashSet<>();
		for (String line; (line = reader.readLine()) != null; ) {
		whitelist.add(line);
		for (String packageName; (packageName = reader.readLine()) != null; ) {
		if (packageName.equals(applicationPackageName)) {
		return true;
		}
		}
		return whitelist;
		} catch (PackageManager.NameNotFoundException e) {
		if (DEBUG) {
		Log.w(TAG, "driver package '" + driverPackageName + "' not installed");
		@@ -267,7 +272,7 @@ public class GraphicsEnvironment {
		Log.w(TAG, "Failed to load whitelist driver package, abort.");
		}
		}
		return null;
		return false;
		}

		private static native void setLayerPaths(ClassLoader classLoader, String layerPaths);

core/java/android/provider/Settings.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -11445,6 +11445,13 @@ public final class Settings {
		*/
		public static final String GPU_DEBUG_APP = "gpu_debug_app";

		/**
		* App that is selected to use updated graphics driver.
		* @hide
		*/
		public static final String UPDATED_GFX_DRIVER_DEV_OPT_IN_APP =
		"updated_gfx_driver_dev_opt_in_app";

		/**
		* Ordered GPU debug layer list
		* i.e. <layer1>:<layer2>:...:<layerN>

core/proto/android/providers/settings/global.proto

+3 −0

Original line number	Diff line number	Diff line
		@@ -384,6 +384,9 @@ message GlobalSettingsProto {
		// App allowed to load GPU debug layers.
		optional SettingProto debug_app = 1;
		optional SettingProto debug_layers = 2 [ (android.privacy).dest = DEST_AUTOMATIC ];
		// App opt in to load updated graphics driver instead of
		// native graphcis driver through developer options.
		optional SettingProto updated_gfx_driver_dev_opt_in_app = 6;
		}
		optional Gpu gpu = 59;

core/tests/coretests/src/android/provider/SettingsBackupTest.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -444,6 +444,7 @@ public class SettingsBackupTest {
		Settings.Global.ENABLE_GPU_DEBUG_LAYERS,
		Settings.Global.GPU_DEBUG_APP,
		Settings.Global.GPU_DEBUG_LAYERS,
		Settings.Global.UPDATED_GFX_DRIVER_DEV_OPT_IN_APP,
		Settings.Global.ENABLE_GNSS_RAW_MEAS_FULL_TRACKING,
		Settings.Global.INSTALL_CARRIER_APP_NOTIFICATION_PERSISTENT,
		Settings.Global.INSTALL_CARRIER_APP_NOTIFICATION_SLEEP_MILLIS,