Merge "[GraphicsEnvironment] Expose API to query whether an app should use... (3bb41dd4) · Commits · e / os / android_frameworks_base

core/java/android/os/GraphicsEnvironment.java

+68 −50

Original line number	Diff line number	Diff line
		@@ -72,6 +72,14 @@ public class GraphicsEnvironment {
		private static final String INTENT_KEY_A4A_TOAST_MESSAGE = "A4A Toast Message";
		private static final String GAME_DRIVER_WHITELIST_ALL = "*";

		// GAME_DRIVER_ALL_APPS
		// 0: Default (Invalid values fallback to default as well)
		// 1: All apps use Game Driver
		// 2: All apps use system graphics driver
		private static final int GAME_DRIVER_GLOBAL_OPT_IN_DEFAULT = 0;
		private static final int GAME_DRIVER_GLOBAL_OPT_IN_ALL = 1;
		private static final int GAME_DRIVER_GLOBAL_OPT_IN_NONE = 2;

		private ClassLoader mClassLoader;
		private String mLayerPath;
		private String mDebugLayerPath;
		@@ -96,6 +104,65 @@ public class GraphicsEnvironment {
		Trace.traceEnd(Trace.TRACE_TAG_GRAPHICS);
		}

		/**
		* Allow to query whether an application will use Game Driver.
		*/
		public static boolean shouldUseGameDriver(Context context, Bundle coreSettings,
		ApplicationInfo applicationInfo) {
		final String driverPackageName = SystemProperties.get(PROPERTY_GFX_DRIVER);
		if (driverPackageName == null \|\| driverPackageName.isEmpty()) {
		return false;
		}

		// 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.
		if (applicationInfo.isPrivilegedApp() \|\| (applicationInfo.isSystemApp()
		&& !applicationInfo.isUpdatedSystemApp())) {
		if (DEBUG) Log.v(TAG, "ignoring driver package for privileged/non-updated system app");
		return false;
		}
		final ContentResolver contentResolver = context.getContentResolver();
		final String packageName = applicationInfo.packageName;
		final int globalOptIn;
		if (coreSettings != null) {
		globalOptIn = coreSettings.getInt(Settings.Global.GAME_DRIVER_ALL_APPS, 0);
		} else {
		globalOptIn = Settings.Global.getInt(contentResolver,
		Settings.Global.GAME_DRIVER_ALL_APPS, 0);
		}
		if (globalOptIn == GAME_DRIVER_GLOBAL_OPT_IN_ALL) {
		return true;
		}
		if (globalOptIn == GAME_DRIVER_GLOBAL_OPT_IN_NONE) {
		return false;
		}

		// GAME_DRIVER_OPT_OUT_APPS has higher priority than GAME_DRIVER_OPT_IN_APPS
		if (getGlobalSettingsString(contentResolver, coreSettings,
		Settings.Global.GAME_DRIVER_OPT_OUT_APPS).contains(packageName)) {
		return false;
		}
		final boolean isOptIn = getGlobalSettingsString(contentResolver, coreSettings,
		Settings.Global.GAME_DRIVER_OPT_IN_APPS).contains(packageName);
		final List<String> whitelist = getGlobalSettingsString(contentResolver, coreSettings,
		Settings.Global.GAME_DRIVER_WHITELIST);
		if (!isOptIn && whitelist.indexOf(GAME_DRIVER_WHITELIST_ALL) != 0
		&& !whitelist.contains(packageName)) {
		return false;
		}

		// If the application is not opted-in, then check whether it's on the blacklist,
		// terminate early if it's on the blacklist and fallback to system driver.
		if (!isOptIn
		&& getGlobalSettingsString(contentResolver, coreSettings,
		Settings.Global.GAME_DRIVER_BLACKLIST)
		.contains(packageName)) {
		return false;
		}
		return true;
		}

		/**
		* Check whether application is debuggable
		*/
		@@ -665,58 +732,9 @@ public class GraphicsEnvironment {
		return false;
		}

		// 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.
		final ApplicationInfo ai = context.getApplicationInfo();
		if (ai.isPrivilegedApp() \|\| (ai.isSystemApp() && !ai.isUpdatedSystemApp())) {
		if (DEBUG) Log.v(TAG, "ignoring driver package for privileged/non-updated system app");
		return false;
		}

		// GAME_DRIVER_ALL_APPS
		// 0: Default (Invalid values fallback to default as well)
		// 1: All apps use Game Driver
		// 2: All apps use system graphics driver
		final int gameDriverAllApps = coreSettings.getInt(Settings.Global.GAME_DRIVER_ALL_APPS, 0);
		if (gameDriverAllApps == 2) {
		if (DEBUG) {
		Log.w(TAG, "Game Driver is turned off on this device");
		}
		return false;
		}

		if (gameDriverAllApps != 1) {
		// GAME_DRIVER_OPT_OUT_APPS has higher priority than GAME_DRIVER_OPT_IN_APPS
		if (getGlobalSettingsString(null, coreSettings,
		Settings.Global.GAME_DRIVER_OPT_OUT_APPS).contains(packageName)) {
		if (DEBUG) {
		Log.w(TAG, packageName + " opts out from Game Driver.");
		}
		return false;
		}
		final boolean isOptIn =
		getGlobalSettingsString(null, coreSettings,
		Settings.Global.GAME_DRIVER_OPT_IN_APPS).contains(packageName);
		final List<String> whitelist = getGlobalSettingsString(null, coreSettings,
		Settings.Global.GAME_DRIVER_WHITELIST);
		if (!isOptIn && whitelist.indexOf(GAME_DRIVER_WHITELIST_ALL) != 0
		&& !whitelist.contains(packageName)) {
		if (DEBUG) {
		Log.w(TAG, packageName + " is not on the whitelist.");
		}
		return false;
		}

		// If the application is not opted-in and check whether it's on the blacklist,
		// terminate early if it's on the blacklist and fallback to system driver.
		if (!isOptIn
		&& getGlobalSettingsString(null, coreSettings,
		Settings.Global.GAME_DRIVER_BLACKLIST)
		.contains(ai.packageName)) {
		if (!shouldUseGameDriver(context, coreSettings, context.getApplicationInfo())) {
		return false;
		}
		}

		final String abi = chooseAbi(driverAppInfo);
		if (abi == null) {

core/java/android/os/Process.java

+7 −4

Original line number	Diff line number	Diff line
		@@ -513,6 +513,7 @@ public class Process {
		* @param packageName null-ok the name of the package this process belongs to.
		* @param packagesForUid null-ok all the packages with the same uid as this process.
		* @param zygoteArgs Additional arguments to supply to the zygote process.
		* @param useSystemGraphicsDriver whether the process uses system graphics driver.
		*
		* @return An object that describes the result of the attempt to start the process.
		* @throws RuntimeException on fatal start failure
		@@ -532,12 +533,13 @@ public class Process {
		@Nullable String packageName,
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		@Nullable String[] zygoteArgs) {
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		return ZYGOTE_PROCESS.start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		packagesForUid, sandboxId, /useUnspecializedAppProcessPool=/ true,
		zygoteArgs);
		zygoteArgs, useSystemGraphicsDriver);
		}

		/** @hide */
		@@ -554,12 +556,13 @@ public class Process {
		@Nullable String packageName,
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		@Nullable String[] zygoteArgs) {
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		return WebViewZygote.getProcess().start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		packagesForUid, sandboxId, /useUnspecializedAppProcessPool=/ false,
		zygoteArgs);
		zygoteArgs, useSystemGraphicsDriver);
		}

		/**

core/java/android/os/ZygoteProcess.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -308,6 +308,7 @@ public class ZygoteProcess {
		* @param packageName null-ok the name of the package this process belongs to.
		* @param packagesForUid null-ok all the packages with the same uid as this process.
		* @param zygoteArgs Additional arguments to supply to the zygote process.
		* @param useSystemGraphicsDriver whether the process uses system graphics driver.
		*
		* @return An object that describes the result of the attempt to start the process.
		* @throws RuntimeException on fatal start failure
		@@ -326,7 +327,8 @@ public class ZygoteProcess {
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		boolean useUsapPool,
		@Nullable String[] zygoteArgs) {
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		// TODO (chriswailes): Is there a better place to check this value?
		if (fetchUsapPoolEnabledPropWithMinInterval()) {
		informZygotesOfUsapPoolStatus();

services/core/java/com/android/server/am/ProcessList.java

+16 −3

Original line number	Diff line number	Diff line
		@@ -62,6 +62,7 @@ import android.os.AppZygote;
		import android.os.Binder;
		import android.os.Build;
		import android.os.Bundle;
		import android.os.GraphicsEnvironment;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		@@ -703,6 +704,13 @@ public final class ProcessList {
		return prefix + "+" + Integer.toString(diff);
		}

		private static boolean shouldUseSystemGraphicsDriver(Context context, Bundle coreSettings,
		ApplicationInfo applicationInfo) {
		final boolean shouldUseGameDriver =
		GraphicsEnvironment.shouldUseGameDriver(context, coreSettings, applicationInfo);
		return !shouldUseGameDriver;
		}

		public static String makeOomAdjString(int setAdj, boolean compact) {
		if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) {
		return buildOomTag("cch", "cch", " ", setAdj,
		@@ -1783,6 +1791,8 @@ public final class ProcessList {
		final StorageManagerInternal storageManagerInternal =
		LocalServices.getService(StorageManagerInternal.class);
		final String sandboxId = storageManagerInternal.getSandboxId(app.info.packageName);
		final boolean useSystemGraphicsDriver = shouldUseSystemGraphicsDriver(mService.mContext,
		mService.mCoreSettingsObserver.getCoreSettingsLocked(), app.info);
		Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "Start proc: " +
		app.processName);
		checkSlow(startTime, "startProcess: asking zygote to start proc");
		@@ -1793,7 +1803,8 @@ public final class ProcessList {
		app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet,
		app.info.dataDir, null, app.info.packageName,
		packageNames, sandboxId,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		new String[] {PROC_START_SEQ_IDENT + app.startSeq},
		useSystemGraphicsDriver);
		} else if (hostingType.equals("app_zygote")) {
		final AppZygote appZygote = createAppZygoteForProcessIfNeeded(app);

		@@ -1802,14 +1813,16 @@ public final class ProcessList {
		app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet,
		app.info.dataDir, null, app.info.packageName,
		packageNames, sandboxId, /useUnspecializedAppProcessPool=/ false,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		new String[] {PROC_START_SEQ_IDENT + app.startSeq},
		useSystemGraphicsDriver);
		} else {
		startResult = Process.start(entryPoint,
		app.processName, uid, uid, gids, runtimeFlags, mountExternal,
		app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet,
		app.info.dataDir, invokeWith, app.info.packageName,
		packageNames, sandboxId,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		new String[] {PROC_START_SEQ_IDENT + app.startSeq},
		useSystemGraphicsDriver);
		}
		checkSlow(startTime, "startProcess: returned from zygote!");
		return startResult;