Load the default graphics driver in USAPs. (35fdbc57) · Commits · e / os / android_frameworks_base

core/java/android/os/Process.java

+38 −36

Original line number	Diff line number	Diff line
		@@ -512,18 +512,19 @@ public class Process {
		* @param invokeWith null-ok the command to invoke with.
		* @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.
		*
		* @param zygoteArgs Additional arguments to supply to the zygote process.
		* @return An object that describes the result of the attempt to start the process.
		* @throws RuntimeException on fatal start failure
		*
		* {@hide}
		*/
		public static final ProcessStartResult start(@NonNull final String processClass,
		public static ProcessStartResult start(@NonNull final String processClass,
		@Nullable final String niceName,
		int uid, int gid, @Nullable int[] gids,
		int runtimeFlags, int mountExternal,
		int runtimeFlags,
		int mountExternal,
		int targetSdkVersion,
		@Nullable String seInfo,
		@NonNull String abi,
		@@ -533,20 +534,21 @@ public class Process {
		@Nullable String packageName,
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		boolean useSystemGraphicsDriver,
		@Nullable String[] zygoteArgs) {
		return ZYGOTE_PROCESS.start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		packagesForUid, sandboxId, /useUnspecializedAppProcessPool=/ true,
		zygoteArgs, useSystemGraphicsDriver);
		packagesForUid, sandboxId, /useUsapPool=/ true,
		useSystemGraphicsDriver, zygoteArgs);
		}

		/** @hide */
		public static final ProcessStartResult startWebView(@NonNull final String processClass,
		public static ProcessStartResult startWebView(@NonNull final String processClass,
		@Nullable final String niceName,
		int uid, int gid, @Nullable int[] gids,
		int runtimeFlags, int mountExternal,
		int runtimeFlags,
		int mountExternal,
		int targetSdkVersion,
		@Nullable String seInfo,
		@NonNull String abi,
		@@ -556,13 +558,13 @@ public class Process {
		@Nullable String packageName,
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		boolean useSystemGraphicsDriver,
		@Nullable String[] zygoteArgs) {
		return WebViewZygote.getProcess().start(processClass, niceName, uid, gid, gids,
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, packageName,
		packagesForUid, sandboxId, /useUnspecializedAppProcessPool=/ false,
		zygoteArgs, useSystemGraphicsDriver);
		packagesForUid, sandboxId, /useUsapPool=/ false,
		useSystemGraphicsDriver, zygoteArgs);
		}

		/**

core/java/android/os/ZygoteProcess.java

+10 −6

Original line number	Diff line number	Diff line
		@@ -327,8 +327,8 @@ public class ZygoteProcess {
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		boolean useUsapPool,
		@Nullable String[] zygoteArgs,
		boolean useSystemGraphicsDriver) {
		boolean useSystemGraphicsDriver,
		@Nullable String[] zygoteArgs) {
		// TODO (chriswailes): Is there a better place to check this value?
		if (fetchUsapPoolEnabledPropWithMinInterval()) {
		informZygotesOfUsapPoolStatus();
		@@ -339,7 +339,7 @@ public class ZygoteProcess {
		runtimeFlags, mountExternal, targetSdkVersion, seInfo,
		abi, instructionSet, appDataDir, invokeWith, /startChildZygote=/ false,
		packageName, packagesForUid, sandboxId,
		useUsapPool, zygoteArgs);
		useUsapPool, useSystemGraphicsDriver, zygoteArgs);
		} catch (ZygoteStartFailedEx ex) {
		Log.e(LOG_TAG,
		"Starting VM process through Zygote failed");
		@@ -548,7 +548,8 @@ public class ZygoteProcess {
		@Nullable String packageName,
		@Nullable String[] packagesForUid,
		@Nullable String sandboxId,
		boolean useUnspecializedAppProcessPool,
		boolean useUsapPool,
		boolean useSystemGraphicsDriver,
		@Nullable String[] extraArgs)
		throws ZygoteStartFailedEx {
		ArrayList<String> argsForZygote = new ArrayList<>();
		@@ -635,8 +636,10 @@ public class ZygoteProcess {
		}

		synchronized(mLock) {
		// The USAP pool can not be used if the application will not use the systems graphics
		// driver. If that driver is requested use the Zygote application start path.
		return zygoteSendArgsAndGetResult(openZygoteSocketIfNeeded(abi),
		useUnspecializedAppProcessPool,
		useUsapPool && useSystemGraphicsDriver,
		argsForZygote);
		}
		}
		@@ -1141,7 +1144,8 @@ public class ZygoteProcess {
		abi, instructionSet, null /* appDataDir /, null / invokeWith */,
		true /* startChildZygote /, null / packageName */,
		null /* packagesForUid /, null / sandboxId */,
		false /* useUsapPool */, extraArgs);
		false /* useUsapPool /, false /useSystemGraphicsDriver*/,
		extraArgs);
		} catch (ZygoteStartFailedEx ex) {
		throw new RuntimeException("Starting child-zygote through Zygote failed", ex);
		}

core/java/com/android/internal/os/Zygote.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -517,6 +517,9 @@ public final class Zygote {
		Credentials peerCredentials = null;
		ZygoteArguments args = null;

		// Load resources
		ZygoteInit.nativePreloadOpenGL();

		while (true) {
		try {
		sessionSocket = usapPoolSocket.accept();

core/java/com/android/internal/os/ZygoteInit.java

+10 −3

Original line number	Diff line number	Diff line
		@@ -150,7 +150,7 @@ public class ZygoteInit {
		nativePreloadAppProcessHALs();
		Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
		Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadOpenGL");
		preloadOpenGL();
		maybePreloadOpenGL();
		Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
		preloadSharedLibraries();
		preloadTextResources();
		@@ -192,9 +192,16 @@ public class ZygoteInit {

		native private static void nativePreloadAppProcessHALs();

		native private static void nativePreloadOpenGL();
		/**
		* This call loads the graphics driver by attempting to make an OpenGL call. If the driver is
		* not currently in memory it will load and initialize it. The OpenGL call itself is relatively
		* cheap and pure. This means that it is a low overhead on the initial call, and is safe and
		* cheap to call later. Calls after the initial invocation will effectively be no-ops for the
		* system.
		*/
		static native void nativePreloadOpenGL();

		private static void preloadOpenGL() {
		private static void maybePreloadOpenGL() {
		String driverPackageName = SystemProperties.get(PROPERTY_GFX_DRIVER);
		if (!SystemProperties.getBoolean(PROPERTY_DISABLE_OPENGL_PRELOADING, false) &&
		(driverPackageName == null \|\| driverPackageName.isEmpty())) {

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

+7 −7

Original line number	Diff line number	Diff line
		@@ -1827,8 +1827,8 @@ 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},
		useSystemGraphicsDriver);
		useSystemGraphicsDriver,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		} else if (hostingRecord.usesAppZygote()) {
		final AppZygote appZygote = createAppZygoteForProcessIfNeeded(app);

		@@ -1836,17 +1836,17 @@ public final class ProcessList {
		app.processName, uid, uid, gids, runtimeFlags, mountExternal,
		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},
		useSystemGraphicsDriver);
		packageNames, sandboxId, /useUsapPool=/ false,
		useSystemGraphicsDriver,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		} 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},
		useSystemGraphicsDriver);
		useSystemGraphicsDriver,
		new String[] {PROC_START_SEQ_IDENT + app.startSeq});
		}
		checkSlow(startTime, "startProcess: returned from zygote!");
		return startResult;