Update ANGLE Developer Options

Update ANGLE developer options to allow selecting the OpenGL driver
(default, ANGLE, native) for each app as well as forcing ANGLE for all
apps.

Bug: 118384925
Test: Verify the default/ANGLE/native values are saved and applied and
used by the loader.

Change-Id: I189889b9b780eabe812298c0dd02838f70f97a03
diff --git a/core/java/android/os/GraphicsEnvironment.java b/core/java/android/os/GraphicsEnvironment.java
index 8cafbde..7abe913 100644
--- a/core/java/android/os/GraphicsEnvironment.java
+++ b/core/java/android/os/GraphicsEnvironment.java
@@ -16,14 +16,13 @@
 
 package android.os;
 
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetFileDescriptor;
 import android.content.res.AssetManager;
 import android.opengl.EGL14;
-import android.os.Build;
-import android.os.SystemProperties;
 import android.provider.Settings;
 import android.util.Log;
 
@@ -37,6 +36,11 @@
 import java.io.IOException;
 import java.io.InputStream;
 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 */
 public class GraphicsEnvironment {
@@ -67,7 +71,7 @@
      */
     public void setup(Context context, Bundle coreSettings) {
         setupGpuLayers(context, coreSettings);
-        setupAngle(context, coreSettings);
+        setupAngle(context, context.getPackageName());
         chooseDriver(context, coreSettings);
     }
 
@@ -192,24 +196,101 @@
         setLayerPaths(mClassLoader, layerPaths);
     }
 
+    enum OpenGlDriverChoice {
+        DEFAULT,
+        NATIVE,
+        ANGLE
+    }
+
+    private static final Map<OpenGlDriverChoice, String> sDriverMap = buildMap();
+    private static Map<OpenGlDriverChoice, String> buildMap() {
+        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(Context context, String globalSetting) {
+        List<String> valueList = null;
+        ContentResolver contentResolver = context.getContentResolver();
+        String settingsValue = Settings.Global.getString(contentResolver, globalSetting);
+
+        if (settingsValue != null) {
+            valueList = new ArrayList<>(Arrays.asList(settingsValue.split(",")));
+        } else {
+            valueList = new ArrayList<>();
+        }
+
+        return valueList;
+    }
+
+    private static int getGlobalSettingsPkgIndex(String pkgName,
+                                                 List<String> globalSettingsDriverPkgs) {
+        for (int pkgIndex = 0; pkgIndex < globalSettingsDriverPkgs.size(); pkgIndex++) {
+            if (globalSettingsDriverPkgs.get(pkgIndex).equals(pkgName)) {
+                return pkgIndex;
+            }
+        }
+
+        return -1;
+    }
+
+    private static String getDriverForPkg(Context context, String packageName) {
+        try {
+            ContentResolver contentResolver = context.getContentResolver();
+            int allUseAngle = Settings.Global.getInt(contentResolver,
+                    Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE);
+            if (allUseAngle == 1) {
+                return sDriverMap.get(OpenGlDriverChoice.ANGLE);
+            }
+        } catch (Settings.SettingNotFoundException e) {
+            // Do nothing and move on
+        }
+
+        List<String> globalSettingsDriverPkgs =
+                getGlobalSettingsString(context,
+                        Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_PKGS);
+        List<String> globalSettingsDriverValues =
+                getGlobalSettingsString(context,
+                        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.isEmpty() || globalSettingsDriverValues.isEmpty()
+                || (globalSettingsDriverPkgs.size() != globalSettingsDriverValues.size())) {
+            Log.w(TAG,
+                    "Global.Settings values are invalid: "
+                        + "globalSettingsDriverPkgs.size = "
+                            + globalSettingsDriverPkgs.size() + ", "
+                        + "globalSettingsDriverValues.size = "
+                            + globalSettingsDriverValues.size());
+            return sDriverMap.get(OpenGlDriverChoice.DEFAULT);
+        }
+
+        int pkgIndex = getGlobalSettingsPkgIndex(packageName, globalSettingsDriverPkgs);
+
+        if (pkgIndex < 0) {
+            return sDriverMap.get(OpenGlDriverChoice.DEFAULT);
+        }
+
+        return globalSettingsDriverValues.get(pkgIndex);
+    }
+
     /**
      * Pass ANGLE details down to trigger enable logic
      */
-    private static void setupAngle(Context context, Bundle coreSettings) {
+    private void setupAngle(Context context, String packageName) {
+        String devOptIn = getDriverForPkg(context, packageName);
 
-        String angleEnabledApp =
-                coreSettings.getString(Settings.Global.ANGLE_ENABLED_APP);
-
-        String packageName = context.getPackageName();
-
-        boolean devOptIn = false;
-        if ((angleEnabledApp != null && packageName != null)
-                && (!angleEnabledApp.isEmpty() && !packageName.isEmpty())
-                && angleEnabledApp.equals(packageName)) {
-
-            Log.i(TAG, packageName + " opted in for ANGLE via Developer Setting");
-
-            devOptIn = true;
+        if (DEBUG) {
+            Log.v(TAG, "ANGLE Developer option for '" + packageName + "' "
+                    + "set to: '" + devOptIn + "'");
         }
 
         ApplicationInfo angleInfo;
@@ -303,8 +384,7 @@
         // Further opt-in logic is handled in native, so pass relevant info down
         // TODO: Move the ANGLE selection logic earlier so we don't need to keep these
         //       file descriptors open.
-        setAngleInfo(paths, packageName, devOptIn,
-                     rulesFd, rulesOffset, rulesLength);
+        setAngleInfo(paths, packageName, devOptIn, rulesFd, rulesOffset, rulesLength);
     }
 
     /**
@@ -452,6 +532,6 @@
     private static native void setDebugLayersGLES(String layers);
     private static native void setDriverPath(String path);
     private static native void setAngleInfo(String path, String appPackage,
-                                            boolean devOptIn, FileDescriptor rulesFd,
+                                            String devOptIn, FileDescriptor rulesFd,
                                             long rulesOffset, long rulesLength);
 }
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index f86296b8..ac7b851 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -11874,10 +11874,26 @@
         public static final String GPU_DEBUG_APP = "gpu_debug_app";
 
         /**
-         * App should try to use ANGLE
+         * Force all PKGs to use ANGLE, regardless of any other settings
+         * The value is a boolean (1 or 0).
          * @hide
          */
-        public static final String ANGLE_ENABLED_APP = "angle_enabled_app";
+        public static final String GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE =
+                "angle_gl_driver_all_angle";
+
+        /**
+         * List of PKGs that have an OpenGL driver selected
+         * @hide
+         */
+        public static final String GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_PKGS =
+                "angle_gl_driver_selection_pkgs";
+
+        /**
+         * List of selected OpenGL drivers, corresponding to the PKGs in GLOBAL_SETTINGS_DRIVER_PKGS
+         * @hide
+         */
+        public static final String GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_VALUES =
+                "angle_gl_driver_selection_values";
 
         /**
          * App that is selected to use updated graphics driver.
diff --git a/core/jni/android_os_GraphicsEnvironment.cpp b/core/jni/android_os_GraphicsEnvironment.cpp
index b1a9866..06625b3 100644
--- a/core/jni/android_os_GraphicsEnvironment.cpp
+++ b/core/jni/android_os_GraphicsEnvironment.cpp
@@ -32,15 +32,16 @@
     android::GraphicsEnv::getInstance().setDriverPath(pathChars.c_str());
 }
 
-void setAngleInfo_native(JNIEnv* env, jobject clazz, jstring path, jstring appName, jboolean devOptIn,
+void setAngleInfo_native(JNIEnv* env, jobject clazz, jstring path, jstring appName, jstring devOptIn,
                          jobject rulesFd, jlong rulesOffset, jlong rulesLength) {
     ScopedUtfChars pathChars(env, path);
     ScopedUtfChars appNameChars(env, appName);
+    ScopedUtfChars devOptInChars(env, devOptIn);
 
     int rulesFd_native = jniGetFDFromFileDescriptor(env, rulesFd);
 
     android::GraphicsEnv::getInstance().setAngleInfo(pathChars.c_str(), appNameChars.c_str(),
-            devOptIn, rulesFd_native, rulesOffset, rulesLength);
+            devOptInChars.c_str(), rulesFd_native, rulesOffset, rulesLength);
 }
 
 void setLayerPaths_native(JNIEnv* env, jobject clazz, jobject classLoader, jstring layerPaths) {
@@ -67,7 +68,7 @@
 const JNINativeMethod g_methods[] = {
     { "getCanLoadSystemLibraries", "()I", reinterpret_cast<void*>(getCanLoadSystemLibraries_native) },
     { "setDriverPath", "(Ljava/lang/String;)V", reinterpret_cast<void*>(setDriverPath) },
-    { "setAngleInfo", "(Ljava/lang/String;Ljava/lang/String;ZLjava/io/FileDescriptor;JJ)V", reinterpret_cast<void*>(setAngleInfo_native) },
+    { "setAngleInfo", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/io/FileDescriptor;JJ)V", reinterpret_cast<void*>(setAngleInfo_native) },
     { "setLayerPaths", "(Ljava/lang/ClassLoader;Ljava/lang/String;)V", reinterpret_cast<void*>(setLayerPaths_native) },
     { "setDebugLayers", "(Ljava/lang/String;)V", reinterpret_cast<void*>(setDebugLayers_native) },
     { "setDebugLayersGLES", "(Ljava/lang/String;)V", reinterpret_cast<void*>(setDebugLayersGLES_native) },
diff --git a/core/proto/android/providers/settings/global.proto b/core/proto/android/providers/settings/global.proto
index ca8da55..da6e208 100644
--- a/core/proto/android/providers/settings/global.proto
+++ b/core/proto/android/providers/settings/global.proto
@@ -417,16 +417,20 @@
         // Ordered GPU debug layer list for Vulkan
         // i.e. <layer1>:<layer2>:...:<layerN>
         optional SettingProto debug_layers = 2 [ (android.privacy).dest = DEST_AUTOMATIC ];
-        // App will load ANGLE instead of native GLES drivers.
-        optional SettingProto angle_enabled_app = 3;
+        // ANGLE - Force all PKGs to use ANGLE, regardless of any other settings
+        optional SettingProto angle_gl_driver_all_angle = 3;
+        // ANGLE - List of PKGs that specify an OpenGL driver
+        optional SettingProto angle_gl_driver_selection_pkgs = 4;
+        // ANGLE - Corresponding OpenGL driver selection for the PKG
+        optional SettingProto angle_gl_driver_selection_values = 5;
         // App that can provide layer libraries.
-        optional SettingProto debug_layer_app = 4;
+        optional SettingProto debug_layer_app = 6;
         // Ordered GPU debug layer list for GLES
         // i.e. <layer1>:<layer2>:...:<layerN>
-        optional SettingProto debug_layers_gles = 5;
+        optional SettingProto debug_layers_gles = 7;
         // 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 SettingProto updated_gfx_driver_dev_opt_in_app = 8;
     }
     optional Gpu gpu = 59;
 
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 1d72a03..79eaab8 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -470,7 +470,9 @@
                     Settings.Global.GPU_DEBUG_APP,
                     Settings.Global.GPU_DEBUG_LAYERS,
                     Settings.Global.GPU_DEBUG_LAYERS_GLES,
-                    Settings.Global.ANGLE_ENABLED_APP,
+                    Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_ALL_ANGLE,
+                    Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_PKGS,
+                    Settings.Global.GLOBAL_SETTINGS_ANGLE_GL_DRIVER_SELECTION_VALUES,
                     Settings.Global.UPDATED_GFX_DRIVER_DEV_OPT_IN_APP,
                     Settings.Global.GPU_DEBUG_LAYER_APP,
                     Settings.Global.ENABLE_GNSS_RAW_MEAS_FULL_TRACKING,