Merge "[GraphicsEnvironment] Minor polish." (64389beb) · Commits · e / os / android_frameworks_base

core/java/android/os/GraphicsEnvironment.java

+115 −112

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.content.pm.ResolveInfo;
		import android.content.res.AssetFileDescriptor;
		import android.content.res.AssetManager;
		import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.Log;
		import android.widget.Toast;

		@@ -43,11 +44,14 @@ import java.io.IOException;
		import java.io.InputStreamReader;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;

		/** @hide */
		/**
		* GraphicsEnvironment sets up necessary properties for the graphics environment of the
		* application process.
		*
		* @hide
		*/
		public class GraphicsEnvironment {

		private static final GraphicsEnvironment sInstance = new GraphicsEnvironment();
		@@ -64,27 +68,35 @@ public class GraphicsEnvironment {
		private static final String SYSTEM_DRIVER_NAME = "system";
		private static final String SYSTEM_DRIVER_VERSION_NAME = "";
		private static final long SYSTEM_DRIVER_VERSION_CODE = 0;

		// System properties related to updatable graphics drivers.
		private static final String PROPERTY_GFX_DRIVER_PRODUCTION = "ro.gfx.driver.0";
		private static final String PROPERTY_GFX_DRIVER_PRERELEASE = "ro.gfx.driver.1";
		private static final String PROPERTY_GFX_DRIVER_BUILD_TIME = "ro.gfx.driver_build_time";

		// Metadata flags within the <application> tag in the AndroidManifest.xml file.
		private static final String METADATA_DRIVER_BUILD_TIME =
		"com.android.graphics.driver.build_time";
		private static final String METADATA_DEVELOPER_DRIVER_ENABLE =
		"com.android.graphics.developerdriver.enable";
		private static final String METADATA_INJECT_LAYERS_ENABLE =
		"com.android.graphics.injectLayers.enable";

		private static final String UPDATABLE_DRIVER_ALLOWLIST_ALL = "*";
		private static final String UPDATABLE_DRIVER_SPHAL_LIBRARIES_FILENAME = "sphal_libraries.txt";

		// ANGLE related properties.
		private static final String ANGLE_RULES_FILE = "a4a_rules.json";
		private static final String ANGLE_TEMP_RULES = "debug.angle.rules";
		private static final String ACTION_ANGLE_FOR_ANDROID = "android.app.action.ANGLE_FOR_ANDROID";
		private static final String ACTION_ANGLE_FOR_ANDROID_TOAST_MESSAGE =
		"android.app.action.ANGLE_FOR_ANDROID_TOAST_MESSAGE";
		private static final String INTENT_KEY_A4A_TOAST_MESSAGE = "A4A Toast Message";
		private static final String UPDATABLE_DRIVER_ALLOWLIST_ALL = "*";
		private static final String UPDATABLE_DRIVER_SPHAL_LIBRARIES_FILENAME = "sphal_libraries.txt";

		private static final int VULKAN_1_0 = 0x00400000;
		private static final int VULKAN_1_1 = 0x00401000;

		// UPDATABLE_DRIVER_ALL_APPS
		// Values for UPDATABLE_DRIVER_ALL_APPS
		// 0: Default (Invalid values fallback to default as well)
		// 1: All apps use updatable production driver
		// 2: All apps use updatable prerelease driver
		@@ -94,6 +106,15 @@ public class GraphicsEnvironment {
		private static final int UPDATABLE_DRIVER_GLOBAL_OPT_IN_PRERELEASE_DRIVER = 2;
		private static final int UPDATABLE_DRIVER_GLOBAL_OPT_IN_OFF = 3;

		// Values for GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE
		private static final int ANGLE_GL_DRIVER_ALL_ANGLE_ON = 1;
		private static final int ANGLE_GL_DRIVER_ALL_ANGLE_OFF = 0;

		// Values for GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_VALUES
		private static final String ANGLE_GL_DRIVER_CHOICE_DEFAULT = "default";
		private static final String ANGLE_GL_DRIVER_CHOICE_ANGLE = "angle";
		private static final String ANGLE_GL_DRIVER_CHOICE_NATIVE = "native";

		private ClassLoader mClassLoader;
		private String mLibrarySearchPaths;
		private String mLibraryPermittedPaths;
		@@ -106,12 +127,15 @@ public class GraphicsEnvironment {
		final String packageName = context.getPackageName();
		final ApplicationInfo appInfoWithMetaData =
		getAppInfoWithMetadata(context, pm, packageName);

		Trace.traceBegin(Trace.TRACE_TAG_GRAPHICS, "setupGpuLayers");
		setupGpuLayers(context, coreSettings, pm, packageName, appInfoWithMetaData);
		Trace.traceEnd(Trace.TRACE_TAG_GRAPHICS);

		Trace.traceBegin(Trace.TRACE_TAG_GRAPHICS, "setupAngle");
		setupAngle(context, coreSettings, pm, packageName);
		Trace.traceEnd(Trace.TRACE_TAG_GRAPHICS);

		Trace.traceBegin(Trace.TRACE_TAG_GRAPHICS, "chooseDriver");
		if (!chooseDriver(context, coreSettings, pm, packageName, appInfoWithMetaData)) {
		setGpuStats(SYSTEM_DRIVER_NAME, SYSTEM_DRIVER_VERSION_NAME, SYSTEM_DRIVER_VERSION_CODE,
		@@ -132,36 +156,30 @@ public class GraphicsEnvironment {
		*/
		public static boolean shouldUseAngle(Context context, Bundle coreSettings,
		String packageName) {
		if (packageName.isEmpty()) {
		Log.v(TAG, "No package name available yet, ANGLE should not be used");
		if (TextUtils.isEmpty(packageName)) {
		Log.v(TAG, "No package name specified, ANGLE should not be used");
		return false;
		}

		final String devOptIn = getDriverForPkg(context, coreSettings, packageName);
		if (DEBUG) {
		final String devOptIn = getDriverForPackage(context, coreSettings, packageName);
		Log.v(TAG, "ANGLE Developer option for '" + packageName + "' "
		+ "set to: '" + devOptIn + "'");
		}

		// We only want to use ANGLE if the app is allowlisted or the developer has
		// We only want to use ANGLE if the app is in the allowlist, or the developer has
		// explicitly chosen something other than default driver.
		// The allowlist will be generated by the ANGLE APK at both boot time and
		// ANGLE update time. It will only include apps mentioned in the rules file.
		final boolean allowlisted = checkAngleAllowlist(context, coreSettings, packageName);
		final boolean requested = devOptIn.equals(sDriverMap.get(OpenGlDriverChoice.ANGLE));
		final boolean useAngle = (allowlisted \|\| requested);
		if (!useAngle) {
		return false;
		}
		final boolean allowed = checkAngleAllowlist(context, coreSettings, packageName);
		final boolean requested = devOptIn.equals(ANGLE_GL_DRIVER_CHOICE_ANGLE);

		if (allowlisted) {
		if (allowed) {
		Log.v(TAG, "ANGLE allowlist includes " + packageName);
		}
		if (requested) {
		Log.v(TAG, "ANGLE developer option for " + packageName + ": " + devOptIn);
		}

		return true;
		return allowed \|\| requested;
		}

		private static int getVulkanVersion(PackageManager pm) {
		@@ -315,23 +333,6 @@ public class GraphicsEnvironment {
		setLayerPaths(mClassLoader, layerPaths);
		}

		enum OpenGlDriverChoice {
		DEFAULT,
		NATIVE,
		ANGLE
		}

		private static final Map<OpenGlDriverChoice, String> sDriverMap = buildMap();
		private static Map<OpenGlDriverChoice, String> buildMap() {
		final Map<OpenGlDriverChoice, String> map = new HashMap<>();
		map.put(OpenGlDriverChoice.DEFAULT, "default");
		map.put(OpenGlDriverChoice.ANGLE, "angle");
		map.put(OpenGlDriverChoice.NATIVE, "native");

		return map;
		}


		private static List<String> getGlobalSettingsString(ContentResolver contentResolver,
		Bundle bundle,
		String globalSetting) {
		@@ -378,18 +379,25 @@ public class GraphicsEnvironment {
		return ai;
		}

		private static String getDriverForPkg(Context context, Bundle bundle, String packageName) {
		final String allUseAngle;
		private static String getDriverForPackage(Context context, Bundle bundle, String packageName) {
		final int allUseAngle;
		if (bundle != null) {
		allUseAngle =
		bundle.getString(Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE);
		bundle.getInt(Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE);
		} else {
		ContentResolver contentResolver = context.getContentResolver();
		allUseAngle = Settings.Global.getString(contentResolver,
		Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE);
		allUseAngle = Settings.Global.getInt(contentResolver,
		Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE,
		ANGLE_GL_DRIVER_ALL_ANGLE_OFF);
		}
		if ((allUseAngle != null) && allUseAngle.equals("1")) {
		return sDriverMap.get(OpenGlDriverChoice.ANGLE);
		if (allUseAngle == ANGLE_GL_DRIVER_ALL_ANGLE_ON) {
		Log.v(TAG, "Turn on ANGLE for all applications.");
		return ANGLE_GL_DRIVER_CHOICE_ANGLE;
		}

		// Make sure we have a good package name
		if (TextUtils.isEmpty(packageName)) {
		return ANGLE_GL_DRIVER_CHOICE_DEFAULT;
		}

		final ContentResolver contentResolver = context.getContentResolver();
		@@ -400,25 +408,21 @@ public class GraphicsEnvironment {
		getGlobalSettingsString(contentResolver, bundle,
		Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_VALUES);

		// Make sure we have a good package name
		if ((packageName == null) \|\| (packageName.isEmpty())) {
		return sDriverMap.get(OpenGlDriverChoice.DEFAULT);
		}
		// Make sure we have good settings to use
		if (globalSettingsDriverPkgs.size() != globalSettingsDriverValues.size()) {
		Log.w(TAG,
		"Global.Settings values are invalid: "
		+ "globalSettingsDriverPkgs.size = "
		+ "number of packages: "
		+ globalSettingsDriverPkgs.size() + ", "
		+ "globalSettingsDriverValues.size = "
		+ "number of values: "
		+ globalSettingsDriverValues.size());
		return sDriverMap.get(OpenGlDriverChoice.DEFAULT);
		return ANGLE_GL_DRIVER_CHOICE_DEFAULT;
		}

		final int pkgIndex = getGlobalSettingsPkgIndex(packageName, globalSettingsDriverPkgs);

		if (pkgIndex < 0) {
		return sDriverMap.get(OpenGlDriverChoice.DEFAULT);
		return ANGLE_GL_DRIVER_CHOICE_DEFAULT;
		}

		return globalSettingsDriverValues.get(pkgIndex);
		@@ -446,11 +450,15 @@ public class GraphicsEnvironment {
		}

		/**
		* Check for ANGLE debug package, but only for apps that can load them (dumpable)
		* Check for ANGLE debug package, but only for apps that can load them.
		* An application can load ANGLE debug package if it is a debuggable application, or
		* the device is debuggable.
		*/
		private String getAngleDebugPackage(Context context, Bundle coreSettings) {
		if (isDebuggable()) {
		String debugPackage;
		if (!isDebuggable()) {
		return "";
		}
		final String debugPackage;

		if (coreSettings != null) {
		debugPackage =
		@@ -460,14 +468,11 @@ public class GraphicsEnvironment {
		debugPackage = Settings.Global.getString(contentResolver,
		Settings.Global.GLOBAL_SETTINGS_ANGLE_DEBUG_PACKAGE);
		}

		if ((debugPackage != null) && (!debugPackage.isEmpty())) {
		return debugPackage;
		}
		}

		if (TextUtils.isEmpty(debugPackage)) {
		return "";
		}
		return debugPackage;
		}

		/**
		* Attempt to setup ANGLE with a temporary rules file.
		@@ -491,7 +496,7 @@ public class GraphicsEnvironment {

		final String angleTempRules = SystemProperties.get(ANGLE_TEMP_RULES);

		if ((angleTempRules == null) \|\| angleTempRules.isEmpty()) {
		if (TextUtils.isEmpty(angleTempRules)) {
		Log.v(TAG, "System property '" + ANGLE_TEMP_RULES + "' is not set or is empty");
		return false;
		}
		@@ -583,11 +588,12 @@ public class GraphicsEnvironment {
		*
		* @param context
		* @param bundle
		* @param packageName
		* @param pm
		* @param packageName - package name of the application.
		* @return true: ANGLE setup successfully
		* false: ANGLE not setup (not on allowlist, ANGLE not present, etc.)
		*/
		public boolean setupAngle(Context context, Bundle bundle, PackageManager pm,
		private boolean setupAngle(Context context, Bundle bundle, PackageManager pm,
		String packageName) {

		if (!shouldUseAngle(context, bundle, packageName)) {
		@@ -612,7 +618,11 @@ public class GraphicsEnvironment {
		// Otherwise, check to see if ANGLE is properly installed
		if (angleInfo == null) {
		anglePkgName = getAnglePackageName(pm);
		if (!anglePkgName.isEmpty()) {
		if (TextUtils.isEmpty(anglePkgName)) {
		Log.w(TAG, "Failed to find ANGLE package.");
		return false;
		}

		Log.i(TAG, "ANGLE package enabled: " + anglePkgName);
		try {
		// Production ANGLE libraries must be pre-installed as a system app
		@@ -622,10 +632,6 @@ public class GraphicsEnvironment {
		Log.w(TAG, "ANGLE package '" + anglePkgName + "' not installed");
		return false;
		}
		} else {
		Log.e(TAG, "Failed to find ANGLE package.");
		return false;
		}
		}

		final String abi = chooseAbi(angleInfo);
		@@ -645,7 +651,7 @@ public class GraphicsEnvironment {
		// load a driver, GraphicsEnv::getShouldUseAngle() has seen the package name before
		// and can confidently answer yes/no based on the previously set developer
		// option value.
		final String devOptIn = getDriverForPkg(context, bundle, packageName);
		final String devOptIn = getDriverForPackage(context, bundle, packageName);

		if (setupAngleWithTempRulesFile(context, packageName, paths, devOptIn)) {
		// We setup ANGLE with a temp rules file, so we're done here.
		@@ -730,18 +736,18 @@ public class GraphicsEnvironment {
		final boolean hasPrereleaseDriver = prereleaseDriver != null && !prereleaseDriver.isEmpty();

		if (!hasProductionDriver && !hasPrereleaseDriver) {
		if (DEBUG) {
		Log.v(TAG,
		"Neither updatable production driver nor prerelease driver is supported.");
		}
		Log.v(TAG, "Neither updatable production driver nor prerelease driver is supported.");
		return null;
		}

		// 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.
		// To minimize risk of driver updates crippling the device beyond user repair, never use the
		// updatable drivers for privileged or non-updated system apps. Presumably pre-installed
		// apps were tested thoroughly with the system driver.
		if (ai.isPrivilegedApp() \|\| (ai.isSystemApp() && !ai.isUpdatedSystemApp())) {
		if (DEBUG) Log.v(TAG, "Ignoring driver package for privileged/non-updated system app.");
		if (DEBUG) {
		Log.v(TAG,
		"Ignore updatable driver package for privileged/non-updated system app.");
		}
		return null;
		}

		@@ -758,13 +764,13 @@ public class GraphicsEnvironment {
		// 6. UPDATABLE_DRIVER_PRODUCTION_ALLOWLIST
		switch (coreSettings.getInt(Settings.Global.UPDATABLE_DRIVER_ALL_APPS, 0)) {
		case UPDATABLE_DRIVER_GLOBAL_OPT_IN_OFF:
		if (DEBUG) Log.v(TAG, "updatable driver is turned off on this device.");
		Log.v(TAG, "The updatable driver is turned off on this device.");
		return null;
		case UPDATABLE_DRIVER_GLOBAL_OPT_IN_PRODUCTION_DRIVER:
		if (DEBUG) Log.v(TAG, "All apps opt in to use updatable production driver.");
		Log.v(TAG, "All apps opt in to use updatable production driver.");
		return hasProductionDriver ? productionDriver : null;
		case UPDATABLE_DRIVER_GLOBAL_OPT_IN_PRERELEASE_DRIVER:
		if (DEBUG) Log.v(TAG, "All apps opt in to use updatable prerelease driver.");
		Log.v(TAG, "All apps opt in to use updatable prerelease driver.");
		return hasPrereleaseDriver && enablePrereleaseDriver ? prereleaseDriver : null;
		case UPDATABLE_DRIVER_GLOBAL_OPT_IN_DEFAULT:
		default:
		@@ -775,20 +781,20 @@ public class GraphicsEnvironment {
		if (getGlobalSettingsString(null, coreSettings,
		Settings.Global.UPDATABLE_DRIVER_PRODUCTION_OPT_OUT_APPS)
		.contains(appPackageName)) {
		if (DEBUG) Log.v(TAG, "App opts out for updatable production driver.");
		Log.v(TAG, "App opts out for updatable production driver.");
		return null;
		}

		if (getGlobalSettingsString(
		null, coreSettings, Settings.Global.UPDATABLE_DRIVER_PRERELEASE_OPT_IN_APPS)
		.contains(appPackageName)) {
		if (DEBUG) Log.v(TAG, "App opts in for updatable prerelease driver.");
		Log.v(TAG, "App opts in for updatable prerelease driver.");
		return hasPrereleaseDriver && enablePrereleaseDriver ? prereleaseDriver : null;
		}

		// Early return here since the rest logic is only for updatable production Driver.
		if (!hasProductionDriver) {
		if (DEBUG) Log.v(TAG, "Updatable production driver is not supported on the device.");
		Log.v(TAG, "Updatable production driver is not supported on the device.");
		return null;
		}

		@@ -801,7 +807,7 @@ public class GraphicsEnvironment {
		Settings.Global.UPDATABLE_DRIVER_PRODUCTION_ALLOWLIST);
		if (!isOptIn && allowlist.indexOf(UPDATABLE_DRIVER_ALLOWLIST_ALL) != 0
		&& !allowlist.contains(appPackageName)) {
		if (DEBUG) Log.v(TAG, "App is not on the allowlist for updatable production driver.");
		Log.v(TAG, "App is not on the allowlist for updatable production driver.");
		return null;
		}

		@@ -811,7 +817,7 @@ public class GraphicsEnvironment {
		&& getGlobalSettingsString(
		null, coreSettings, Settings.Global.UPDATABLE_DRIVER_PRODUCTION_DENYLIST)
		.contains(appPackageName)) {
		if (DEBUG) Log.v(TAG, "App is on the denylist for updatable production driver.");
		Log.v(TAG, "App is on the denylist for updatable production driver.");
		return null;
		}

		@@ -834,7 +840,7 @@ public class GraphicsEnvironment {
		driverPackageInfo = pm.getPackageInfo(driverPackageName,
		PackageManager.MATCH_SYSTEM_ONLY \| PackageManager.GET_META_DATA);
		} catch (PackageManager.NameNotFoundException e) {
		Log.w(TAG, "driver package '" + driverPackageName + "' not installed");
		Log.w(TAG, "updatable driver package '" + driverPackageName + "' not installed");
		return false;
		}

		@@ -843,7 +849,7 @@ public class GraphicsEnvironment {
		final ApplicationInfo driverAppInfo = driverPackageInfo.applicationInfo;
		if (driverAppInfo.targetSdkVersion < Build.VERSION_CODES.O) {
		if (DEBUG) {
		Log.w(TAG, "updated driver package is not known to be compatible with O");
		Log.w(TAG, "updatable driver package is not compatible with O");
		}
		return false;
		}
		@@ -853,7 +859,7 @@ public class GraphicsEnvironment {
		if (DEBUG) {
		// This is the normal case for the pre-installed empty driver package, don't spam
		if (driverAppInfo.isUpdatedSystemApp()) {
		Log.w(TAG, "updated driver package has no compatible native libraries");
		Log.w(TAG, "Updatable driver package has no compatible native libraries");
		}
		}
		return false;
		@@ -867,11 +873,8 @@ public class GraphicsEnvironment {
		.append(abi);
		final String paths = sb.toString();
		final String sphalLibraries = getSphalLibraries(context, driverPackageName);
		if (DEBUG) {
		Log.v(TAG,
		"gfx driver package search path: " + paths
		Log.v(TAG, "Updatable driver package search path: " + paths
		+ ", required sphal libraries: " + sphalLibraries);
		}
		setDriverPathAndSphalLibraries(paths, sphalLibraries);

		if (driverAppInfo.metaData == null) {
		@@ -880,7 +883,7 @@ public class GraphicsEnvironment {

		String driverBuildTime = driverAppInfo.metaData.getString(METADATA_DRIVER_BUILD_TIME);
		if (driverBuildTime == null \|\| driverBuildTime.length() <= 1) {
		Log.v(TAG, "com.android.graphics.driver.build_time is not set");
		Log.w(TAG, "com.android.graphics.driver.build_time is not set");
		driverBuildTime = "L0";
		}
		// driver_build_time in the meta-data is in "L<Unix epoch timestamp>" format. e.g. L123456.