Merge "Define OMX_AUDIO_AACObjectER_Scalable"
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 08eff9e..3ca7de9 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -363,7 +363,7 @@
 // Check whether the category would be supported on the device if the user
 // were root.  This function assumes that root is able to write to any file
 // that exists.  It performs the same logic as isCategorySupported, but it
-// uses file existance rather than writability in the /sys/ file checks.
+// uses file existence rather than writability in the /sys/ file checks.
 static bool isCategorySupportedForRoot(const TracingCategory& category)
 {
     bool ok = category.tags != 0;
@@ -970,9 +970,9 @@
                     "  -k fname,...    trace the listed kernel functions\n"
                     "  -n              ignore signals\n"
                     "  -s N            sleep for N seconds before tracing [default 0]\n"
-                    "  -t N            trace for N seconds [defualt 5]\n"
+                    "  -t N            trace for N seconds [default 5]\n"
                     "  -z              compress the trace dump\n"
-                    "  --async_start   start circular trace and return immediatly\n"
+                    "  --async_start   start circular trace and return immediately\n"
                     "  --async_dump    dump the current contents of circular trace buffer\n"
                     "  --async_stop    stop tracing and dump the current contents of circular\n"
                     "                    trace buffer\n"
diff --git a/cmds/bugreportz/bugreportz.cpp b/cmds/bugreportz/bugreportz.cpp
index 19d2d64..312dceb 100644
--- a/cmds/bugreportz/bugreportz.cpp
+++ b/cmds/bugreportz/bugreportz.cpp
@@ -80,8 +80,8 @@
     }
 
     if (s == -1) {
-        printf("Failed to connect to dumpstatez service: %s\n", strerror(errno));
-        return EXIT_FAILURE;
+        printf("FAIL:Failed to connect to dumpstatez service: %s\n", strerror(errno));
+        return EXIT_SUCCESS;
     }
 
     // Set a timeout so that if nothing is read in 10 minutes, we'll stop
@@ -91,7 +91,7 @@
     tv.tv_sec = 10 * 60;
     tv.tv_usec = 0;
     if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) {
-        printf("WARNING: Cannot set socket timeout: %s\n", strerror(errno));
+        fprintf(stderr, "WARNING: Cannot set socket timeout: %s\n", strerror(errno));
     }
 
     while (1) {
@@ -105,8 +105,7 @@
             if (errno == EAGAIN) {
                 errno = ETIMEDOUT;
             }
-            printf("\nBugreport read terminated abnormally (%s).\n",
-                    strerror(errno));
+            printf("FAIL:Bugreport read terminated abnormally (%s)\n", strerror(errno));
             break;
         }
 
@@ -117,15 +116,17 @@
                     write(STDOUT_FILENO, buffer + bytes_read - bytes_to_send,
                             bytes_to_send));
             if (bytes_written == -1) {
-                printf(
+                fprintf(stderr,
                         "Failed to write data to stdout: read %zd, trying to send %zd (%s)\n",
                         bytes_read, bytes_to_send, strerror(errno));
-                return EXIT_FAILURE;
+                break;
             }
             bytes_to_send -= bytes_written;
         } while (bytes_written != 0 && bytes_to_send > 0);
     }
 
-    close(s);
+    if (close(s) == -1) {
+        fprintf(stderr, "WARNING: error closing socket: %s\n", strerror(errno));
+    }
     return EXIT_SUCCESS;
 }
diff --git a/cmds/dumpstate/bugreport-format.md b/cmds/dumpstate/bugreport-format.md
index d7837ae..ca7d574 100644
--- a/cmds/dumpstate/bugreport-format.md
+++ b/cmds/dumpstate/bugreport-format.md
@@ -15,13 +15,13 @@
 format _YYYY-MM-DD-HH-MM-SS_), and Shell simply propagates it as an attachment
 in the `ACTION_SEND_MULTIPLE` intent.
 
-## Version v0 (Android M)
+## Version 0 (Android M)
 On _Android M (Marshmallow)_, dumpstate still generates a flat
 _bugreport-DATE.txt_ file, but then **Shell** creates a zip file called
 _bugreport-DATE.zip_ containing a _bugreport-DATE.txt_ entry and sends that
 file as the `ACTION_SEND_MULTIPLE` attachment.
 
-## Version v1 (Android N)
+## Version 1.0 (Android N)
 On _Android N (TBD)_, `dumpstate` generates a zip file directly (unless there
 is a failure, in which case it reverts to the flat file that is zipped by
 **Shell** and hence the end result is the _v0_ format).
@@ -33,7 +33,7 @@
 
 The zip file also contains 2 metadata entries generated by `dumpstate`:
 
-- `version.txt`:  whose value is **v1**.
+- `version.txt`:  whose value is **1.0**.
 - `main-entry.txt`: whose value is the name of the flat text entry (i.e.,
   _bugreport-BUILD_ID-DATE.txt_ or _bugreport-NEW_NAME.txt_).
 
@@ -61,16 +61,16 @@
 changes become stable.
 
 For example, the initial version during _Android N_ development was
-**v1-dev1**. When `dumpsys` was split in 2 sections but not all tools were
-ready to parse that format, the version was named **v1-dev2**,
+**1.0-dev1**. When `dumpsys` was split in 2 sections but not all tools were
+ready to parse that format, the version was named **1.0-dev2**,
 which had to be passed do `dumpsys` explicitly (i.e., trhough a
-`-V v1-dev2` argument). Once that format became stable and tools
-knew how to parse it, the default version became **v1-dev2**.
+`-V 1.0-dev2` argument). Once that format became stable and tools
+knew how to parse it, the default version became **1.0-dev2**.
 
 Similarly, if changes in the file format are made after the initial release of
 Android defining that format, then a new _sub-version_ will be used.
 For example, if after _Android N_ launches changes are made for the next _N_
-release, the version will be called **v1.1** or something like that.
+release, the version will be called **1.1** or something like that.
 
 Determining version and main entry
 -----------------------------------------------
@@ -83,7 +83,7 @@
    version = read("version.txt")
    main_entry = read("main_entry.txt")
 else
-   version = v0
+   version = 0
    main_entry = entries[0]
 fi
 ```
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index c414134..9e2df55 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -96,10 +96,9 @@
  *
  * See bugreport-format.txt for more info.
  */
-// TODO: change to "v1" before final N build
-static std::string VERSION_DEFAULT = "v1-dev4";
+static std::string VERSION_DEFAULT = "1.0";
 
-static bool is_user_build() {
+bool is_user_build() {
     return 0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1);
 }
 
@@ -542,7 +541,7 @@
     property_get("ro.build.display.id", build, "(unknown)");
     property_get("ro.build.fingerprint", fingerprint, "(unknown)");
     property_get("ro.build.type", build_type, "(unknown)");
-    property_get("ro.baseband", radio, "(unknown)");
+    property_get("gsm.version.baseband", radio, "(unknown)");
     property_get("ro.bootloader", bootloader, "(unknown)");
     property_get("gsm.operator.alpha", network, "(unknown)");
     strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
@@ -622,7 +621,6 @@
     return add_zip_entry_from_fd(ZIP_ROOT_DIR + path, fd) ? 0 : 1;
 }
 
-/* adds all files from a directory to the zipped bugreport file */
 void add_dir(const char *dir, bool recursive) {
     if (!zip_writer) {
         MYLOGD("Not adding dir %s because zip_writer is not set\n", dir);
@@ -672,7 +670,8 @@
     dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd);
     dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd");
     dump_file("MEMORY INFO", "/proc/meminfo");
-    run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-H", NULL);
+    run_command("CPU INFO", 10, "top", "-b", "-n", "1", "-H", "-s", "6",
+                "-o", "pid,tid,user,pr,ni,%cpu,s,virt,res,pcy,cmd,name", NULL);
     run_command("PROCRANK", 20, SU_PATH, "root", "procrank", NULL);
     dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
     dump_file("VMALLOC INFO", "/proc/vmallocinfo");
@@ -686,13 +685,18 @@
     dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
     dump_file("KERNEL SYNC", "/d/sync");
 
-    run_command("PROCESSES AND THREADS", 10, "toybox", "ps", "-A", "-T", "-Z",
+    run_command("PROCESSES AND THREADS", 10, "ps", "-A", "-T", "-Z",
                 "-O", "pri,nice,rtprio,sched,pcy", NULL);
     run_command("LIBRANK", 10, SU_PATH, "root", "librank", NULL);
 
     run_command("PRINTENV", 10, "printenv", NULL);
     run_command("NETSTAT", 10, "netstat", "-n", NULL);
-    run_command("LSMOD", 10, "lsmod", NULL);
+    struct stat s;
+    if (stat("/proc/modules", &s) != 0) {
+        MYLOGD("Skipping 'lsmod' because /proc/modules does not exist\n");
+    } else {
+        run_command("LSMOD", 10, "lsmod", NULL);
+    }
 
     do_dmesg();
 
@@ -946,19 +950,19 @@
     printf("== Running Application Activities\n");
     printf("========================================================\n");
 
-    run_command("APP ACTIVITIES", 30, "-t", "30", "dumpsys", "activity", "all", NULL);
+    run_command("APP ACTIVITIES", 30, "dumpsys", "-t", "30", "activity", "all", NULL);
 
     printf("========================================================\n");
     printf("== Running Application Services\n");
     printf("========================================================\n");
 
-    run_command("APP SERVICES", 30, "-t", "30", "dumpsys", "activity", "service", "all", NULL);
+    run_command("APP SERVICES", 30, "dumpsys", "-t", "30", "activity", "service", "all", NULL);
 
     printf("========================================================\n");
     printf("== Running Application Providers\n");
     printf("========================================================\n");
 
-    run_command("APP SERVICES", 30, "-t", "30", "dumpsys", "activity", "provider", "all", NULL);
+    run_command("APP PROVIDERS", 30, "dumpsys", "-t", "30", "activity", "provider", "all", NULL);
 
 
     printf("========================================================\n");
@@ -1001,7 +1005,7 @@
    temporary file.
  */
 static bool finish_zip_file(const std::string& bugreport_name, const std::string& bugreport_path,
-        time_t now) {
+        const std::string& log_path, time_t now) {
     if (!add_zip_entry(bugreport_name, bugreport_path)) {
         MYLOGE("Failed to add text entry to .zip file\n");
         return false;
@@ -1011,6 +1015,16 @@
         return false;
     }
 
+    // Add log file (which contains stderr output) to zip...
+    fprintf(stderr, "dumpstate_log.txt entry on zip file logged up to here\n");
+    if (!add_zip_entry("dumpstate_log.txt", log_path.c_str())) {
+        MYLOGE("Failed to add dumpstate log to .zip file\n");
+        return false;
+    }
+    // ... and re-opens it for further logging.
+    redirect_to_existing_file(stderr, const_cast<char*>(log_path.c_str()));
+    fprintf(stderr, "\n");
+
     int32_t err = zip_writer->Finish();
     if (err) {
         MYLOGE("zip_writer->Finish(): %s\n", ZipWriter::ErrorCodeString(err));
@@ -1172,7 +1186,7 @@
     /* full path of the temporary file containing the bugreport */
     std::string tmp_path;
 
-    /* full path of the file containing the dumpstate logs*/
+    /* full path of the file containing the dumpstate logs */
     std::string log_path;
 
     /* full path of the systrace file, when enabled */
@@ -1316,7 +1330,7 @@
 
     // Invoking the following dumpsys calls before dump_traces() to try and
     // keep the system stats as close to its initial state as possible.
-    run_command_as_shell("DUMPSYS MEMINFO", 30, "dumpsys", "-t", "30", "meminfo", "-a", NULL);
+    run_command_as_shell("DUMPSYS MEMINFO", 90, "dumpsys", "-t", "90", "meminfo", "-a", NULL);
     run_command_as_shell("DUMPSYS CPUINFO", 10, "dumpsys", "-t", "10", "cpuinfo", "-a", NULL);
 
     /* collect stack traces from Dalvik and native processes (needs root) */
@@ -1381,7 +1395,7 @@
         if (do_zip_file) {
             std::string entry_name = base_name + "-" + suffix + ".txt";
             MYLOGD("Adding main entry (%s) to .zip bugreport\n", entry_name.c_str());
-            if (!finish_zip_file(entry_name, tmp_path, now)) {
+            if (!finish_zip_file(entry_name, tmp_path, log_path, now)) {
                 MYLOGE("Failed to finish zip file; sending text bugreport instead\n");
                 do_text_file = true;
             } else {
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index 94bfc5a..6093cd1 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -93,6 +93,9 @@
 /* adds a new entry to the existing zip file. */
 bool add_zip_entry_from_fd(const std::string& entry_name, int fd);
 
+/* adds all files from a directory to the zipped bugreport file */
+void add_dir(const char *dir, bool recursive);
+
 /* prints the contents of a file */
 int dump_file(const char *title, const char *path);
 
@@ -148,9 +151,12 @@
 /* redirect output to a service control socket */
 void redirect_to_socket(FILE *redirect, const char *service);
 
-/* redirect output to a file */
+/* redirect output to a new file */
 void redirect_to_file(FILE *redirect, char *path);
 
+/* redirect output to an existing file */
+void redirect_to_existing_file(FILE *redirect, char *path);
+
 /* create leading directories, if necessary */
 void create_parent_dirs(const char *path);
 
@@ -196,12 +202,15 @@
 /** Gets the last modification time of a file, or default time if file is not found. */
 time_t get_mtime(int fd, time_t default_mtime);
 
-/* dump eMMC Extended CSD data */
+/* Dumps eMMC Extended CSD data. */
 void dump_emmc_ecsd(const char *ext_csd_path);
 
-/** gets command-line arguments */
+/** Gets command-line arguments. */
 void format_args(int argc, const char *argv[], std::string *args);
 
+/** Tells if the device is running a user build. */
+bool is_user_build();
+
 /*
  * Helper class used to report how long it takes for a section to finish.
  *
diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index 992f0a9..2ebd50d 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -51,6 +51,8 @@
 
 static const int64_t NANOS_PER_SEC = 1000000000;
 
+static const int TRACE_DUMP_TIMEOUT_MS = 10000; // 10 seconds
+
 /* list of native processes to include in the native dumps */
 // This matches the /proc/pid/exe link instead of /proc/pid/cmdline.
 static const char* native_processes_to_dump[] = {
@@ -975,11 +977,11 @@
     }
 }
 
-/* redirect output to a file */
-void redirect_to_file(FILE *redirect, char *path) {
+void _redirect_to_file(FILE *redirect, char *path, int truncate_flag) {
     create_parent_dirs(path);
 
-    int fd = TEMP_FAILURE_RETRY(open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC | O_NOFOLLOW,
+    int fd = TEMP_FAILURE_RETRY(open(path,
+                                     O_WRONLY | O_CREAT | truncate_flag | O_CLOEXEC | O_NOFOLLOW,
                                      S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
     if (fd < 0) {
         MYLOGE("%s: %s\n", path, strerror(errno));
@@ -990,6 +992,14 @@
     close(fd);
 }
 
+void redirect_to_file(FILE *redirect, char *path) {
+    _redirect_to_file(redirect, path, O_TRUNC);
+}
+
+void redirect_to_existing_file(FILE *redirect, char *path) {
+    _redirect_to_file(redirect, path, O_APPEND);
+}
+
 static bool should_dump_native_traces(const char* path) {
     for (const char** p = native_processes_to_dump; *p; p++) {
         if (!strcmp(*p, path)) {
@@ -1093,7 +1103,7 @@
 
             /* wait for the writable-close notification from inotify */
             struct pollfd pfd = { ifd, POLLIN, 0 };
-            int ret = poll(&pfd, 1, 5000);  /* 5 sec timeout */
+            int ret = poll(&pfd, 1, TRACE_DUMP_TIMEOUT_MS);
             if (ret < 0) {
                 MYLOGE("poll: %s\n", strerror(errno));
             } else if (ret == 0) {
@@ -1376,7 +1386,7 @@
 void format_args(const char* command, const char *args[], std::string *string) {
     LOG_ALWAYS_FATAL_IF(args == nullptr || command == nullptr);
     string->append(command);
-    if (args[0] == nullptr) return;
+    if (args[1] == nullptr) return;
     string->append(" ");
 
     for (int arg = 1; arg <= 1000; ++arg) {
diff --git a/cmds/dumpsys/dumpsys.cpp b/cmds/dumpsys/dumpsys.cpp
index 7e5bbc5..957a449 100644
--- a/cmds/dumpsys/dumpsys.cpp
+++ b/cmds/dumpsys/dumpsys.cpp
@@ -10,6 +10,7 @@
 #include <thread>
 
 #include <android-base/file.h>
+#include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <binder/IServiceManager.h>
 #include <binder/Parcel.h>
@@ -30,6 +31,7 @@
 #include <unistd.h>
 
 using namespace android;
+using android::base::StringPrintf;
 using android::base::unique_fd;
 using android::base::WriteFully;
 
@@ -210,7 +212,8 @@
             });
 
             auto timeout = std::chrono::seconds(timeoutArg);
-            auto end = std::chrono::steady_clock::now() + timeout;
+            auto start = std::chrono::steady_clock::now();
+            auto end = start + timeout;
 
             struct pollfd pfd = {
                 .fd = local_end.get(),
@@ -267,6 +270,14 @@
             } else {
                 dump_thread.join();
             }
+
+            if (N > 1) {
+              std::chrono::duration<double> elapsed_seconds =
+                  std::chrono::steady_clock::now() - start;
+              aout << StringPrintf("------ %.3fs was the duration of '", elapsed_seconds.count()).
+                  c_str();
+              aout << service_name << "' ------" << endl;
+            }
         } else {
             aerr << "Can't find service: " << service_name << endl;
         }
diff --git a/cmds/installd/commands.cpp b/cmds/installd/commands.cpp
index a1c3495..90ccbf8 100644
--- a/cmds/installd/commands.cpp
+++ b/cmds/installd/commands.cpp
@@ -2043,6 +2043,37 @@
     return true;
 }
 
+// Move/rename a B artifact (from) to an A artifact (to).
+static bool move_ab_path(const std::string& b_path, const std::string& a_path) {
+    // Check whether B exists.
+    {
+        struct stat s;
+        if (stat(b_path.c_str(), &s) != 0) {
+            // Silently ignore for now. The service calling this isn't smart enough to understand
+            // lack of artifacts at the moment.
+            return false;
+        }
+        if (!S_ISREG(s.st_mode)) {
+            LOG(ERROR) << "A/B artifact " << b_path << " is not a regular file.";
+            // Try to unlink, but swallow errors.
+            unlink(b_path.c_str());
+            return false;
+        }
+    }
+
+    // Rename B to A.
+    if (!unlink_and_rename(b_path.c_str(), a_path.c_str())) {
+        // Delete the b_path so we don't try again (or fail earlier).
+        if (unlink(b_path.c_str()) != 0) {
+            PLOG(ERROR) << "Could not unlink " << b_path;
+        }
+
+        return false;
+    }
+
+    return true;
+}
+
 int move_ab(const char* apk_path, const char* instruction_set, const char* oat_dir) {
     if (apk_path == nullptr || instruction_set == nullptr || oat_dir == nullptr) {
         LOG(ERROR) << "Cannot move_ab with null input";
@@ -2061,37 +2092,35 @@
     if (!calculate_oat_file_path(a_path, oat_dir, apk_path, instruction_set)) {
         return -1;
     }
+    const std::string a_image_path = create_image_filename(a_path);
 
     // B path = A path + ".b"
-    std::string b_path = StringPrintf("%s.b", a_path);
+    const std::string b_path = StringPrintf("%s.b", a_path);
+    const std::string b_image_path = StringPrintf("%s.b", a_image_path.c_str());
 
-    // Check whether B exists.
-    {
-        struct stat s;
-        if (stat(b_path.c_str(), &s) != 0) {
-            // Silently ignore for now. The service calling this isn't smart enough to understand
-            // lack of artifacts at the moment.
-            return -1;
+    bool oat_success = move_ab_path(b_path, a_path);
+    bool success;
+
+    if (oat_success) {
+        // Note: we can live without an app image. As such, ignore failure to move the image file.
+        //       If we decide to require the app image, or the app image being moved correctly,
+        //       then change accordingly.
+        constexpr bool kIgnoreAppImageFailure = true;
+
+        bool art_success = true;
+        if (!a_image_path.empty()) {
+            art_success = move_ab_path(b_image_path, a_image_path);
         }
-        if (!S_ISREG(s.st_mode)) {
-            LOG(ERROR) << "A/B artifact " << b_path << " is not a regular file.";
-            // Try to unlink, but swallow errors.
-            unlink(b_path.c_str());
-            return -1;
-        }
+
+        success = art_success || kIgnoreAppImageFailure;
+    } else {
+        // Cleanup: delete B image, ignore errors.
+        unlink(b_image_path.c_str());
+
+        success = false;
     }
 
-    // Rename B to A.
-    if (!unlink_and_rename(b_path.c_str(), a_path)) {
-        // Delete the b_path so we don't try again (or fail earlier).
-        if (unlink(b_path.c_str()) != 0) {
-            PLOG(ERROR) << "Could not unlink " << b_path;
-        }
-
-        return -1;
-    }
-
-    return 0;
+    return success ? 0 : -1;
 }
 
 }  // namespace installd
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index 3775709..e1cfc9d 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -51,8 +51,10 @@
 #define TOKEN_MAX     16    /* max number of arguments in buffer */
 #define REPLY_MAX     256   /* largest reply allowed */
 
+using android::base::EndsWith;
 using android::base::Join;
 using android::base::Split;
+using android::base::StartsWith;
 using android::base::StringPrintf;
 
 namespace android {
@@ -361,6 +363,49 @@
     }
 
     int RunPreopt() {
+        // Run the preopt.
+        //
+        // There's one thing we have to be careful about: we may/will be asked to compile an app
+        // living in the system image. This may be a valid request - if the app wasn't compiled,
+        // e.g., if the system image wasn't large enough to include preopted files. However, the
+        // data we have is from the old system, so the driver (the OTA service) can't actually
+        // know. Thus, we will get requests for apps that have preopted components. To avoid
+        // duplication (we'd generate files that are not used and are *not* cleaned up), do two
+        // simple checks:
+        //
+        // 1) Does the apk_path start with the value of ANDROID_ROOT? (~in the system image)
+        //    (For simplicity, assume the value of ANDROID_ROOT does not contain a symlink.)
+        //
+        // 2) If you replace the name in the apk_path with "oat," does the path exist?
+        //    (=have a subdirectory for preopted files)
+        //
+        // If the answer to both is yes, skip the dexopt.
+        //
+        // Note: while one may think it's OK to call dexopt and it will fail (because APKs should
+        //       be stripped), that's not true for APKs signed outside the build system (so the
+        //       jar content must be exactly the same).
+
+        //       (This is ugly as it's the only thing where we need to understand the contents
+        //        of package_parameters_, but it beats postponing the decision or using the call-
+        //        backs to do weird things.)
+        constexpr size_t kApkPathIndex = 0;
+        CHECK_GT(DEXOPT_PARAM_COUNT, kApkPathIndex);
+        CHECK(package_parameters_[kApkPathIndex] != nullptr);
+        CHECK(system_properties_.GetProperty(kAndroidRootPathPropertyName) != nullptr);
+        if (StartsWith(package_parameters_[kApkPathIndex],
+                       system_properties_.GetProperty(kAndroidRootPathPropertyName)->c_str())) {
+            const char* last_slash = strrchr(package_parameters_[kApkPathIndex], '/');
+            if (last_slash != nullptr) {
+                std::string path(package_parameters_[kApkPathIndex],
+                                 last_slash - package_parameters_[kApkPathIndex] + 1);
+                CHECK(EndsWith(path, "/"));
+                path = path + "oat";
+                if (access(path.c_str(), F_OK) == 0) {
+                    return 0;
+                }
+            }
+        }
+
         return dexopt(package_parameters_);
     }
 
diff --git a/cmds/installd/otapreopt_script.sh b/cmds/installd/otapreopt_script.sh
index a31734a..394c244 100644
--- a/cmds/installd/otapreopt_script.sh
+++ b/cmds/installd/otapreopt_script.sh
@@ -18,24 +18,33 @@
 
 # This script will run as a postinstall step to drive otapreopt.
 
+STATUS_FD="$2"
+
 # Maximum number of packages/steps.
 MAXIMUM_PACKAGES=1000
 
 PREPARE=$(cmd otadexopt prepare)
-if [ "$PREPARE" != "Success" ] ; then
-  echo "Failed to prepare."
-  exit 1
-fi
+# Note: Ignore preparation failures. Step and done will fail and exit this.
+#       This is necessary to support suspends - the OTA service will keep
+#       the state around for us.
+
+PROGRESS=$(cmd otadexopt progress)
+print -u${STATUS_FD} "global_progress $PROGRESS"
 
 i=0
 while ((i<MAXIMUM_PACKAGES)) ; do
   cmd otadexopt step
+
+  PROGRESS=$(cmd otadexopt progress)
+  print -u${STATUS_FD} "global_progress $PROGRESS"
+
   DONE=$(cmd otadexopt done)
-  if [ "$DONE" = "OTA complete." ] ; then
-    break
+  if [ "$DONE" = "OTA incomplete." ] ; then
+    sleep 1
+    i=$((i+1))
+    continue
   fi
-  sleep 1
-  i=$((i+1))
+  break
 done
 
 DONE=$(cmd otadexopt done)
@@ -45,6 +54,7 @@
   echo "Complete or error."
 fi
 
+print -u${STATUS_FD} "global_progress 1.0"
 cmd otadexopt cleanup
 
 exit 0
diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index 09300a2..fe4b1fa 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -66,6 +66,8 @@
         virtual void onFrameReplaced(const BufferItem& item) override;
         virtual void onBuffersReleased() override;
         virtual void onSidebandStreamChanged() override;
+        virtual bool getFrameTimestamps(uint64_t frameNumber,
+                FrameTimestamps* outTimestamps) const override;
     private:
         // mConsumerListener is a weak reference to the IConsumerListener.  This is
         // the raison d'etre of ProxyConsumerListener.
diff --git a/include/gui/BufferQueueProducer.h b/include/gui/BufferQueueProducer.h
index a75ed98..a85bbb7 100644
--- a/include/gui/BufferQueueProducer.h
+++ b/include/gui/BufferQueueProducer.h
@@ -186,6 +186,10 @@
     virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
             sp<Fence>* outFence, float outTransformMatrix[16]) override;
 
+    // See IGraphicBufferProducer::getFrameTimestamps
+    virtual bool getFrameTimestamps(uint64_t frameNumber,
+            FrameTimestamps* outTimestamps) const override;
+
 private:
     // This is required by the IBinder::DeathRecipient interface
     virtual void binderDied(const wp<IBinder>& who);
diff --git a/include/gui/FrameTimestamps.h b/include/gui/FrameTimestamps.h
new file mode 100644
index 0000000..4dc7467
--- /dev/null
+++ b/include/gui/FrameTimestamps.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_FRAMETIMESTAMPS_H
+#define ANDROID_GUI_FRAMETIMESTAMPS_H
+
+#include <utils/Timers.h>
+#include <utils/Flattenable.h>
+
+namespace android {
+
+struct FrameTimestamps : public LightFlattenablePod<FrameTimestamps> {
+    FrameTimestamps() :
+        frameNumber(0),
+        postedTime(0),
+        acquireTime(0),
+        refreshStartTime(0),
+        glCompositionDoneTime(0),
+        displayRetireTime(0),
+        releaseTime(0) {}
+
+    uint64_t frameNumber;
+    nsecs_t postedTime;
+    nsecs_t acquireTime;
+    nsecs_t refreshStartTime;
+    nsecs_t glCompositionDoneTime;
+    nsecs_t displayRetireTime;
+    nsecs_t releaseTime;
+};
+
+} // namespace android
+#endif
diff --git a/include/gui/IConsumerListener.h b/include/gui/IConsumerListener.h
index 3f39799..1efcf3c 100644
--- a/include/gui/IConsumerListener.h
+++ b/include/gui/IConsumerListener.h
@@ -25,6 +25,8 @@
 
 #include <binder/IInterface.h>
 
+#include <gui/FrameTimestamps.h>
+
 namespace android {
 // ----------------------------------------------------------------------------
 
@@ -78,6 +80,11 @@
     // stream is first attached and when it is either detached or replaced by a
     // different stream.
     virtual void onSidebandStreamChanged() = 0; /* Asynchronous */
+
+    // See IGraphicBufferProducer::getFrameTimestamps
+    // This queries the consumer for the timestamps
+    virtual bool getFrameTimestamps(uint64_t /*frameNumber*/,
+            FrameTimestamps* /*outTimestamps*/) const { return false; }
 };
 
 
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h
index 37ae6df..0c24606 100644
--- a/include/gui/IGraphicBufferProducer.h
+++ b/include/gui/IGraphicBufferProducer.h
@@ -30,6 +30,8 @@
 #include <ui/Rect.h>
 #include <ui/Region.h>
 
+#include <gui/FrameTimestamps.h>
+
 namespace android {
 // ----------------------------------------------------------------------------
 
@@ -568,6 +570,14 @@
     // Returns NO_ERROR or the status of the Binder transaction
     virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
             sp<Fence>* outFence, float outTransformMatrix[16]) = 0;
+
+    // Attempts to retrieve timestamp information for the given frame number.
+    // If information for the given frame number is not found, returns false.
+    // Returns true otherwise.
+    //
+    // If a fence has not yet signaled the timestamp returned will be 0;
+    virtual bool getFrameTimestamps(uint64_t /*frameNumber*/,
+            FrameTimestamps* /*outTimestamps*/) const { return false; }
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/gui/Surface.h b/include/gui/Surface.h
index 646203b..7d9d901 100644
--- a/include/gui/Surface.h
+++ b/include/gui/Surface.h
@@ -134,6 +134,12 @@
     status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
             sp<Fence>* outFence, float outTransformMatrix[16]);
 
+    // See IGraphicBufferProducer::getFrameTimestamps
+    bool getFrameTimestamps(uint64_t frameNumber, nsecs_t* outPostedTime,
+            nsecs_t* outAcquireTime, nsecs_t* outRefreshStartTime,
+            nsecs_t* outGlCompositionDoneTime, nsecs_t* outDisplayRetireTime,
+            nsecs_t* outReleaseTime);
+
 protected:
     virtual ~Surface();
 
@@ -183,6 +189,7 @@
     int dispatchSetSurfaceDamage(va_list args);
     int dispatchSetSharedBufferMode(va_list args);
     int dispatchSetAutoRefresh(va_list args);
+    int dispatchGetFrameTimestamps(va_list args);
 
 protected:
     virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
diff --git a/include/ui/FrameStats.h b/include/ui/FrameStats.h
index 5fdf94d..6bfe635 100644
--- a/include/ui/FrameStats.h
+++ b/include/ui/FrameStats.h
@@ -25,6 +25,7 @@
 
 class FrameStats : public LightFlattenable<FrameStats> {
 public:
+    FrameStats() : refreshPeriodNano(0) {};
 
     /*
      * Approximate refresh time, in nanoseconds.
diff --git a/include/ui/Gralloc1.h b/include/ui/Gralloc1.h
new file mode 100644
index 0000000..cf8c173
--- /dev/null
+++ b/include/ui/Gralloc1.h
@@ -0,0 +1,238 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_UI_GRALLOC1_H
+#define ANDROID_UI_GRALLOC1_H
+
+#define GRALLOC1_LOG_TAG "Gralloc1"
+
+#include <ui/Gralloc1On0Adapter.h>
+
+#include <unordered_set>
+
+namespace std {
+    template <>
+    struct hash<gralloc1_capability_t> {
+        size_t operator()(gralloc1_capability_t capability) const {
+            return std::hash<int32_t>()(static_cast<int32_t>(capability));
+        }
+    };
+}
+
+namespace android {
+
+class Fence;
+class GraphicBuffer;
+
+namespace Gralloc1 {
+
+class Device;
+
+class Descriptor {
+public:
+    Descriptor(Device& device, gralloc1_buffer_descriptor_t deviceId)
+      : mShimDevice(device),
+        mDeviceId(deviceId),
+        mWidth(0),
+        mHeight(0),
+        mFormat(static_cast<android_pixel_format_t>(0)),
+        mProducerUsage(GRALLOC1_PRODUCER_USAGE_NONE),
+        mConsumerUsage(GRALLOC1_CONSUMER_USAGE_NONE) {}
+
+    ~Descriptor();
+
+    gralloc1_buffer_descriptor_t getDeviceId() const { return mDeviceId; }
+
+    gralloc1_error_t setDimensions(uint32_t width, uint32_t height);
+    gralloc1_error_t setFormat(android_pixel_format_t format);
+    gralloc1_error_t setProducerUsage(gralloc1_producer_usage_t usage);
+    gralloc1_error_t setConsumerUsage(gralloc1_consumer_usage_t usage);
+
+private:
+    Device& mShimDevice;
+    const gralloc1_buffer_descriptor_t mDeviceId;
+
+    uint32_t mWidth;
+    uint32_t mHeight;
+    android_pixel_format_t mFormat;
+    gralloc1_producer_usage_t mProducerUsage;
+    gralloc1_consumer_usage_t mConsumerUsage;
+
+}; // Descriptor
+
+class Device {
+    friend class Gralloc1::Descriptor;
+
+public:
+    Device(gralloc1_device_t* device);
+
+    bool hasCapability(gralloc1_capability_t capability) const;
+
+    std::string dump();
+
+    std::shared_ptr<Descriptor> createDescriptor();
+
+    gralloc1_error_t getStride(buffer_handle_t buffer, uint32_t* outStride);
+
+    gralloc1_error_t allocate(
+            const std::vector<std::shared_ptr<const Descriptor>>& descriptors,
+            std::vector<buffer_handle_t>* outBuffers);
+    gralloc1_error_t allocate(
+            const std::shared_ptr<const Descriptor>& descriptor,
+            gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
+
+    gralloc1_error_t retain(buffer_handle_t buffer);
+    gralloc1_error_t retain(const GraphicBuffer* buffer);
+
+    gralloc1_error_t release(buffer_handle_t buffer);
+
+    gralloc1_error_t getNumFlexPlanes(buffer_handle_t buffer,
+            uint32_t* outNumPlanes);
+
+    gralloc1_error_t lock(buffer_handle_t buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t* accessRegion, void** outData,
+            const sp<Fence>& acquireFence);
+    gralloc1_error_t lockFlex(buffer_handle_t buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t* accessRegion,
+            struct android_flex_layout* outData, const sp<Fence>& acquireFence);
+    gralloc1_error_t lockYCbCr(buffer_handle_t buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t* accessRegion, struct android_ycbcr* outData,
+            const sp<Fence>& acquireFence);
+
+    gralloc1_error_t unlock(buffer_handle_t buffer, sp<Fence>* outFence);
+
+private:
+    std::unordered_set<gralloc1_capability_t> loadCapabilities();
+
+    bool loadFunctions();
+
+    template <typename LockType, typename OutType>
+    gralloc1_error_t lockHelper(LockType pfn, buffer_handle_t buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t* accessRegion, OutType* outData,
+            const sp<Fence>& acquireFence) {
+        int32_t intError = pfn(mDevice, buffer,
+                static_cast<uint64_t>(producerUsage),
+                static_cast<uint64_t>(consumerUsage), accessRegion, outData,
+                acquireFence->dup());
+        return static_cast<gralloc1_error_t>(intError);
+    }
+
+    gralloc1_device_t* const mDevice;
+
+    const std::unordered_set<gralloc1_capability_t> mCapabilities;
+
+    template <typename PFN, gralloc1_function_descriptor_t descriptor>
+    struct FunctionLoader {
+        FunctionLoader() : pfn(nullptr) {}
+
+        bool load(gralloc1_device_t* device, bool errorIfNull) {
+            gralloc1_function_pointer_t rawPointer =
+                    device->getFunction(device, descriptor);
+            pfn = reinterpret_cast<PFN>(rawPointer);
+            if (errorIfNull && !rawPointer) {
+                ALOG(LOG_ERROR, GRALLOC1_LOG_TAG,
+                        "Failed to load function pointer %d", descriptor);
+            }
+            return rawPointer != nullptr;
+        }
+
+        template <typename ...Args>
+        typename std::result_of<PFN(Args...)>::type operator()(Args... args) {
+            return pfn(args...);
+        }
+
+        PFN pfn;
+    };
+
+    // Function pointers
+    struct Functions {
+        FunctionLoader<GRALLOC1_PFN_DUMP, GRALLOC1_FUNCTION_DUMP> dump;
+        FunctionLoader<GRALLOC1_PFN_CREATE_DESCRIPTOR,
+                GRALLOC1_FUNCTION_CREATE_DESCRIPTOR> createDescriptor;
+        FunctionLoader<GRALLOC1_PFN_DESTROY_DESCRIPTOR,
+                GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR> destroyDescriptor;
+        FunctionLoader<GRALLOC1_PFN_SET_CONSUMER_USAGE,
+                GRALLOC1_FUNCTION_SET_CONSUMER_USAGE> setConsumerUsage;
+        FunctionLoader<GRALLOC1_PFN_SET_DIMENSIONS,
+                GRALLOC1_FUNCTION_SET_DIMENSIONS> setDimensions;
+        FunctionLoader<GRALLOC1_PFN_SET_FORMAT,
+                GRALLOC1_FUNCTION_SET_FORMAT> setFormat;
+        FunctionLoader<GRALLOC1_PFN_SET_PRODUCER_USAGE,
+                GRALLOC1_FUNCTION_SET_PRODUCER_USAGE> setProducerUsage;
+        FunctionLoader<GRALLOC1_PFN_GET_BACKING_STORE,
+                GRALLOC1_FUNCTION_GET_BACKING_STORE> getBackingStore;
+        FunctionLoader<GRALLOC1_PFN_GET_CONSUMER_USAGE,
+                GRALLOC1_FUNCTION_GET_CONSUMER_USAGE> getConsumerUsage;
+        FunctionLoader<GRALLOC1_PFN_GET_DIMENSIONS,
+                GRALLOC1_FUNCTION_GET_DIMENSIONS> getDimensions;
+        FunctionLoader<GRALLOC1_PFN_GET_FORMAT,
+                GRALLOC1_FUNCTION_GET_FORMAT> getFormat;
+        FunctionLoader<GRALLOC1_PFN_GET_PRODUCER_USAGE,
+                GRALLOC1_FUNCTION_GET_PRODUCER_USAGE> getProducerUsage;
+        FunctionLoader<GRALLOC1_PFN_GET_STRIDE,
+                GRALLOC1_FUNCTION_GET_STRIDE> getStride;
+        FunctionLoader<GRALLOC1_PFN_ALLOCATE,
+                GRALLOC1_FUNCTION_ALLOCATE> allocate;
+        FunctionLoader<GRALLOC1_PFN_RETAIN,
+                GRALLOC1_FUNCTION_RETAIN> retain;
+        FunctionLoader<GRALLOC1_PFN_RELEASE,
+                GRALLOC1_FUNCTION_RELEASE> release;
+        FunctionLoader<GRALLOC1_PFN_GET_NUM_FLEX_PLANES,
+                GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES> getNumFlexPlanes;
+        FunctionLoader<GRALLOC1_PFN_LOCK,
+                GRALLOC1_FUNCTION_LOCK> lock;
+        FunctionLoader<GRALLOC1_PFN_LOCK_FLEX,
+                GRALLOC1_FUNCTION_LOCK_FLEX> lockFlex;
+        FunctionLoader<GRALLOC1_PFN_LOCK_YCBCR,
+                GRALLOC1_FUNCTION_LOCK_YCBCR> lockYCbCr;
+        FunctionLoader<GRALLOC1_PFN_UNLOCK,
+                GRALLOC1_FUNCTION_UNLOCK> unlock;
+
+        // Adapter-only functions
+        FunctionLoader<GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER,
+                GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER> retainGraphicBuffer;
+        FunctionLoader<GRALLOC1_PFN_ALLOCATE_WITH_ID,
+                GRALLOC1_FUNCTION_ALLOCATE_WITH_ID> allocateWithId;
+    } mFunctions;
+
+}; // class android::Gralloc1::Device
+
+class Loader
+{
+public:
+    Loader();
+    ~Loader();
+
+    std::unique_ptr<Device> getDevice();
+
+private:
+    static std::unique_ptr<Gralloc1On0Adapter> mAdapter;
+    std::unique_ptr<Device> mDevice;
+};
+
+} // namespace android::Gralloc1
+
+} // namespace android
+
+#endif
diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
new file mode 100644
index 0000000..edcfb65
--- /dev/null
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -0,0 +1,478 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_UI_GRALLOC_1_ON_0_ADAPTER_H
+#define ANDROID_UI_GRALLOC_1_ON_0_ADAPTER_H
+
+#include <ui/Fence.h>
+#include <ui/GraphicBuffer.h>
+
+#include <hardware/gralloc1.h>
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+struct gralloc_module_t;
+
+// This is not an "official" capability (i.e., it is not found in gralloc1.h),
+// but we will use it to detect that we are running through the adapter, which
+// is capable of collaborating with GraphicBuffer such that queries on a
+// buffer_handle_t succeed
+static const auto GRALLOC1_CAPABILITY_ON_ADAPTER =
+        static_cast<gralloc1_capability_t>(GRALLOC1_LAST_CAPABILITY + 1);
+
+static const auto GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER =
+        static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 1);
+static const auto GRALLOC1_FUNCTION_ALLOCATE_WITH_ID =
+        static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 2);
+static const auto GRALLOC1_FUNCTION_LOCK_YCBCR =
+        static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 3);
+static const auto GRALLOC1_LAST_ADAPTER_FUNCTION = GRALLOC1_FUNCTION_LOCK_YCBCR;
+
+typedef gralloc1_error_t (*GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER)(
+        gralloc1_device_t* device, const android::GraphicBuffer* buffer);
+typedef gralloc1_error_t (*GRALLOC1_PFN_ALLOCATE_WITH_ID)(
+        gralloc1_device_t* device, gralloc1_buffer_descriptor_t descriptor,
+        gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
+typedef int32_t /*gralloc1_error_t*/ (*GRALLOC1_PFN_LOCK_YCBCR)(
+        gralloc1_device_t* device, buffer_handle_t buffer,
+        uint64_t /*gralloc1_producer_usage_t*/ producerUsage,
+        uint64_t /*gralloc1_consumer_usage_t*/ consumerUsage,
+        const gralloc1_rect_t* accessRegion, struct android_ycbcr* outYCbCr,
+        int32_t acquireFence);
+
+namespace android {
+
+class Gralloc1On0Adapter : public gralloc1_device_t
+{
+public:
+    Gralloc1On0Adapter(const hw_module_t* module);
+    ~Gralloc1On0Adapter();
+
+    gralloc1_device_t* getDevice() {
+        return static_cast<gralloc1_device_t*>(this);
+    }
+
+private:
+    static inline Gralloc1On0Adapter* getAdapter(gralloc1_device_t* device) {
+        return static_cast<Gralloc1On0Adapter*>(device);
+    }
+
+    // getCapabilities
+
+    void doGetCapabilities(uint32_t* outCount,
+            int32_t* /*gralloc1_capability_t*/ outCapabilities);
+    static void getCapabilitiesHook(gralloc1_device_t* device,
+            uint32_t* outCount,
+            int32_t* /*gralloc1_capability_t*/ outCapabilities) {
+        getAdapter(device)->doGetCapabilities(outCount, outCapabilities);
+    };
+
+    // getFunction
+
+    gralloc1_function_pointer_t doGetFunction(
+            int32_t /*gralloc1_function_descriptor_t*/ descriptor);
+    static gralloc1_function_pointer_t getFunctionHook(
+            gralloc1_device_t* device,
+            int32_t /*gralloc1_function_descriptor_t*/ descriptor) {
+        return getAdapter(device)->doGetFunction(descriptor);
+    }
+
+    // dump
+
+    void dump(uint32_t* outSize, char* outBuffer);
+    static void dumpHook(gralloc1_device_t* device, uint32_t* outSize,
+            char* outBuffer) {
+        return getAdapter(device)->dump(outSize, outBuffer);
+    }
+    std::string mCachedDump;
+
+    // Buffer descriptor lifecycle functions
+
+    class Descriptor;
+
+    gralloc1_error_t createDescriptor(
+            gralloc1_buffer_descriptor_t* outDescriptor);
+    static int32_t createDescriptorHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t* outDescriptor) {
+        auto error = getAdapter(device)->createDescriptor(outDescriptor);
+        return static_cast<int32_t>(error);
+    }
+
+    gralloc1_error_t destroyDescriptor(gralloc1_buffer_descriptor_t descriptor);
+    static int32_t destroyDescriptorHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptor) {
+        auto error = getAdapter(device)->destroyDescriptor(descriptor);
+        return static_cast<int32_t>(error);
+    }
+
+    // Buffer descriptor modification functions
+
+    struct Descriptor : public std::enable_shared_from_this<Descriptor> {
+        Descriptor(Gralloc1On0Adapter* adapter,
+                gralloc1_buffer_descriptor_t id)
+          : adapter(adapter),
+            id(id),
+            width(0),
+            height(0),
+            format(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED),
+            producerUsage(GRALLOC1_PRODUCER_USAGE_NONE),
+            consumerUsage(GRALLOC1_CONSUMER_USAGE_NONE) {}
+
+        gralloc1_error_t setDimensions(uint32_t w, uint32_t h) {
+            width = w;
+            height = h;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t setFormat(int32_t f) {
+            format = f;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t setProducerUsage(gralloc1_producer_usage_t usage) {
+            producerUsage = usage;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t setConsumerUsage(gralloc1_consumer_usage_t usage) {
+            consumerUsage = usage;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        Gralloc1On0Adapter* const adapter;
+        const gralloc1_buffer_descriptor_t id;
+
+        uint32_t width;
+        uint32_t height;
+        int32_t format;
+        gralloc1_producer_usage_t producerUsage;
+        gralloc1_consumer_usage_t consumerUsage;
+    };
+
+    template <typename ...Args>
+    static int32_t callDescriptorFunction(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId,
+            gralloc1_error_t (Descriptor::*member)(Args...), Args... args) {
+        auto descriptor = getAdapter(device)->getDescriptor(descriptorId);
+        if (!descriptor) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_DESCRIPTOR);
+        }
+        auto error = ((*descriptor).*member)(std::forward<Args>(args)...);
+        return static_cast<int32_t>(error);
+    }
+
+    static int32_t setConsumerUsageHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId, uint64_t intUsage) {
+        auto usage = static_cast<gralloc1_consumer_usage_t>(intUsage);
+        return callDescriptorFunction(device, descriptorId,
+                &Descriptor::setConsumerUsage, usage);
+    }
+
+    static int32_t setDimensionsHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId, uint32_t width,
+            uint32_t height) {
+        return callDescriptorFunction(device, descriptorId,
+                &Descriptor::setDimensions, width, height);
+    }
+
+    static int32_t setFormatHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId, int32_t format) {
+        return callDescriptorFunction(device, descriptorId,
+                &Descriptor::setFormat, format);
+    }
+
+    static int32_t setProducerUsageHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId, uint64_t intUsage) {
+        auto usage = static_cast<gralloc1_producer_usage_t>(intUsage);
+        return callDescriptorFunction(device, descriptorId,
+                &Descriptor::setProducerUsage, usage);
+    }
+
+    // Buffer handle query functions
+
+    class Buffer {
+    public:
+        Buffer(buffer_handle_t handle, gralloc1_backing_store_t store,
+                const Descriptor& descriptor, uint32_t stride,
+                bool wasAllocated);
+
+        buffer_handle_t getHandle() const { return mHandle; }
+
+        void retain() { ++mReferenceCount; }
+
+        // Returns true if the reference count has dropped to 0, indicating that
+        // the buffer needs to be released
+        bool release() { return --mReferenceCount == 0; }
+
+        bool wasAllocated() const { return mWasAllocated; }
+
+        gralloc1_error_t getBackingStore(
+                gralloc1_backing_store_t* outStore) const {
+            *outStore = mStore;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getConsumerUsage(
+                gralloc1_consumer_usage_t* outUsage) const {
+            *outUsage = mDescriptor.consumerUsage;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getDimensions(uint32_t* outWidth,
+                uint32_t* outHeight) const {
+            *outWidth = mDescriptor.width;
+            *outHeight = mDescriptor.height;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getFormat(int32_t* outFormat) const {
+            *outFormat = mDescriptor.format;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getNumFlexPlanes(uint32_t* outNumPlanes) const {
+            // TODO: This is conservative, and we could do better by examining
+            // the format, but it won't hurt anything for now
+            *outNumPlanes = 4;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getProducerUsage(
+                gralloc1_producer_usage_t* outUsage) const {
+            *outUsage = mDescriptor.producerUsage;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+        gralloc1_error_t getStride(uint32_t* outStride) const {
+            *outStride = mStride;
+            return GRALLOC1_ERROR_NONE;
+        }
+
+    private:
+
+        const buffer_handle_t mHandle;
+        size_t mReferenceCount;
+
+        // Since we're adapting to gralloc0, there will always be a 1:1
+        // correspondence between buffer handles and backing stores, and the
+        // backing store ID will be the same as the GraphicBuffer unique ID
+        const gralloc1_backing_store_t mStore;
+
+        const Descriptor mDescriptor;
+        const uint32_t mStride;
+
+        // Whether this buffer allocated in this process (as opposed to just
+        // being retained here), which determines whether to free or unregister
+        // the buffer when this Buffer is released
+        const bool mWasAllocated;
+    };
+
+    template <typename ...Args>
+    static int32_t callBufferFunction(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle,
+            gralloc1_error_t (Buffer::*member)(Args...) const, Args... args) {
+        auto buffer = getAdapter(device)->getBuffer(bufferHandle);
+        if (!buffer) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+        }
+        auto error = ((*buffer).*member)(std::forward<Args>(args)...);
+        return static_cast<int32_t>(error);
+    }
+
+    template <typename MF, MF memFunc, typename ...Args>
+    static int32_t bufferHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle, Args... args) {
+        return Gralloc1On0Adapter::callBufferFunction(device, bufferHandle,
+                memFunc, std::forward<Args>(args)...);
+    }
+
+    static int32_t getConsumerUsageHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle, uint64_t* outUsage) {
+        auto usage = GRALLOC1_CONSUMER_USAGE_NONE;
+        auto error = callBufferFunction(device, bufferHandle,
+                &Buffer::getConsumerUsage, &usage);
+        if (error != GRALLOC1_ERROR_NONE) {
+            *outUsage = static_cast<uint64_t>(usage);
+        }
+        return error;
+    }
+
+    static int32_t getProducerUsageHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle, uint64_t* outUsage) {
+        auto usage = GRALLOC1_PRODUCER_USAGE_NONE;
+        auto error = callBufferFunction(device, bufferHandle,
+                &Buffer::getProducerUsage, &usage);
+        if (error != GRALLOC1_ERROR_NONE) {
+            *outUsage = static_cast<uint64_t>(usage);
+        }
+        return error;
+    }
+
+    // Buffer management functions
+
+    // We don't provide GRALLOC1_FUNCTION_ALLOCATE, since this should always be
+    // called through GRALLOC1_FUNCTION_ALLOCATE_WITH_ID
+    gralloc1_error_t allocate(
+            const std::shared_ptr<Descriptor>& descriptor,
+            gralloc1_backing_store_t id,
+            buffer_handle_t* outBufferHandle);
+    static gralloc1_error_t allocateWithIdHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptors,
+            gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
+
+    gralloc1_error_t retain(const std::shared_ptr<Buffer>& buffer);
+    gralloc1_error_t release(const std::shared_ptr<Buffer>& buffer);
+
+    // Member function pointer 'member' will either be retain or release
+    template <gralloc1_error_t (Gralloc1On0Adapter::*member)(
+            const std::shared_ptr<Buffer>& buffer)>
+    static int32_t managementHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle) {
+        auto adapter = getAdapter(device);
+
+        auto buffer = adapter->getBuffer(bufferHandle);
+        if (!buffer) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+        }
+
+        auto error = ((*adapter).*member)(buffer);
+        return static_cast<int32_t>(error);
+    }
+
+    gralloc1_error_t retain(const GraphicBuffer* buffer);
+    static gralloc1_error_t retainGraphicBufferHook(gralloc1_device_t* device,
+            const GraphicBuffer* buffer) {
+        auto adapter = getAdapter(device);
+        return adapter->retain(buffer);
+    }
+
+    // Buffer access functions
+
+    gralloc1_error_t lock(const std::shared_ptr<Buffer>& buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t& accessRegion, void** outData,
+            const sp<Fence>& acquireFence);
+    gralloc1_error_t lockFlex(const std::shared_ptr<Buffer>& buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t& accessRegion,
+            struct android_flex_layout* outFlex,
+            const sp<Fence>& acquireFence);
+    gralloc1_error_t lockYCbCr(const std::shared_ptr<Buffer>& buffer,
+            gralloc1_producer_usage_t producerUsage,
+            gralloc1_consumer_usage_t consumerUsage,
+            const gralloc1_rect_t& accessRegion,
+            struct android_ycbcr* outFlex,
+            const sp<Fence>& acquireFence);
+
+    template <typename OUT, gralloc1_error_t (Gralloc1On0Adapter::*member)(
+            const std::shared_ptr<Buffer>&, gralloc1_producer_usage_t,
+            gralloc1_consumer_usage_t, const gralloc1_rect_t&, OUT*,
+            const sp<Fence>&)>
+    static int32_t lockHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle,
+            uint64_t /*gralloc1_producer_usage_t*/ uintProducerUsage,
+            uint64_t /*gralloc1_consumer_usage_t*/ uintConsumerUsage,
+            const gralloc1_rect_t* accessRegion, OUT* outData,
+            int32_t acquireFenceFd) {
+        auto adapter = getAdapter(device);
+
+        // Exactly one of producer and consumer usage must be *_USAGE_NONE,
+        // but we can't check this until the upper levels of the framework
+        // correctly distinguish between producer and consumer usage
+        /*
+        bool hasProducerUsage =
+                uintProducerUsage != GRALLOC1_PRODUCER_USAGE_NONE;
+        bool hasConsumerUsage =
+                uintConsumerUsage != GRALLOC1_CONSUMER_USAGE_NONE;
+        if (hasProducerUsage && hasConsumerUsage ||
+                !hasProducerUsage && !hasConsumerUsage) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+        }
+        */
+
+        auto producerUsage =
+                static_cast<gralloc1_producer_usage_t>(uintProducerUsage);
+        auto consumerUsage =
+                static_cast<gralloc1_consumer_usage_t>(uintConsumerUsage);
+
+        if (!outData) {
+            const auto producerCpuUsage = GRALLOC1_PRODUCER_USAGE_CPU_READ |
+                    GRALLOC1_PRODUCER_USAGE_CPU_WRITE;
+            if (producerUsage & producerCpuUsage != 0) {
+                return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+            }
+            if (consumerUsage & GRALLOC1_CONSUMER_USAGE_CPU_READ != 0) {
+                return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+            }
+        }
+
+        auto buffer = adapter->getBuffer(bufferHandle);
+        if (!buffer) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+        }
+
+        if (!accessRegion) {
+            ALOGE("accessRegion is null");
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+        }
+
+        sp<Fence> acquireFence{new Fence(acquireFenceFd)};
+        auto error = ((*adapter).*member)(buffer, producerUsage, consumerUsage,
+                *accessRegion, outData, acquireFence);
+        return static_cast<int32_t>(error);
+    }
+
+    gralloc1_error_t unlock(const std::shared_ptr<Buffer>& buffer,
+            sp<Fence>* outReleaseFence);
+    static int32_t unlockHook(gralloc1_device_t* device,
+            buffer_handle_t bufferHandle, int32_t* outReleaseFenceFd) {
+        auto adapter = getAdapter(device);
+
+        auto buffer = adapter->getBuffer(bufferHandle);
+        if (!buffer) {
+            return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+        }
+
+        sp<Fence> releaseFence = Fence::NO_FENCE;
+        auto error = adapter->unlock(buffer, &releaseFence);
+        if (error == GRALLOC1_ERROR_NONE) {
+            *outReleaseFenceFd = releaseFence->dup();
+        }
+        return static_cast<int32_t>(error);
+    }
+
+    // Adapter internals
+    const gralloc_module_t* mModule;
+    uint8_t mMinorVersion;
+    alloc_device_t* mDevice;
+
+    std::shared_ptr<Descriptor> getDescriptor(
+            gralloc1_buffer_descriptor_t descriptorId);
+    std::shared_ptr<Buffer> getBuffer(buffer_handle_t bufferHandle);
+
+    static std::atomic<gralloc1_buffer_descriptor_t> sNextBufferDescriptorId;
+    std::unordered_map<gralloc1_buffer_descriptor_t,
+            std::shared_ptr<Descriptor>> mDescriptors;
+    std::unordered_map<buffer_handle_t, std::shared_ptr<Buffer>> mBuffers;
+};
+
+} // namespace android
+
+#endif
diff --git a/include/ui/GraphicBufferAllocator.h b/include/ui/GraphicBufferAllocator.h
index 5443f09..62ebbd5 100644
--- a/include/ui/GraphicBufferAllocator.h
+++ b/include/ui/GraphicBufferAllocator.h
@@ -27,42 +27,41 @@
 #include <utils/threads.h>
 #include <utils/Singleton.h>
 
+#include <ui/Gralloc1.h>
 #include <ui/PixelFormat.h>
 
-#include <hardware/gralloc.h>
-
-
 namespace android {
-// ---------------------------------------------------------------------------
 
+class Gralloc1Loader;
 class String8;
 
 class GraphicBufferAllocator : public Singleton<GraphicBufferAllocator>
 {
 public:
     enum {
-        USAGE_SW_READ_NEVER     = GRALLOC_USAGE_SW_READ_NEVER,
-        USAGE_SW_READ_RARELY    = GRALLOC_USAGE_SW_READ_RARELY,
-        USAGE_SW_READ_OFTEN     = GRALLOC_USAGE_SW_READ_OFTEN,
-        USAGE_SW_READ_MASK      = GRALLOC_USAGE_SW_READ_MASK,
+        USAGE_SW_READ_NEVER     = GRALLOC1_CONSUMER_USAGE_CPU_READ_NEVER,
+        USAGE_SW_READ_RARELY    = GRALLOC1_CONSUMER_USAGE_CPU_READ,
+        USAGE_SW_READ_OFTEN     = GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN,
+        USAGE_SW_READ_MASK      = GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN,
 
-        USAGE_SW_WRITE_NEVER    = GRALLOC_USAGE_SW_WRITE_NEVER,
-        USAGE_SW_WRITE_RARELY   = GRALLOC_USAGE_SW_WRITE_RARELY,
-        USAGE_SW_WRITE_OFTEN    = GRALLOC_USAGE_SW_WRITE_OFTEN,
-        USAGE_SW_WRITE_MASK     = GRALLOC_USAGE_SW_WRITE_MASK,
+        USAGE_SW_WRITE_NEVER    = GRALLOC1_PRODUCER_USAGE_CPU_WRITE_NEVER,
+        USAGE_SW_WRITE_RARELY   = GRALLOC1_PRODUCER_USAGE_CPU_WRITE,
+        USAGE_SW_WRITE_OFTEN    = GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN,
+        USAGE_SW_WRITE_MASK     = GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN,
 
         USAGE_SOFTWARE_MASK     = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
 
-        USAGE_HW_TEXTURE        = GRALLOC_USAGE_HW_TEXTURE,
-        USAGE_HW_RENDER         = GRALLOC_USAGE_HW_RENDER,
-        USAGE_HW_2D             = GRALLOC_USAGE_HW_2D,
-        USAGE_HW_MASK           = GRALLOC_USAGE_HW_MASK
+        USAGE_HW_TEXTURE        = GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE,
+        USAGE_HW_RENDER         = GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET,
+        USAGE_HW_2D             = 0x00000400, // Deprecated
+        USAGE_HW_MASK           = 0x00071F00, // Deprecated
     };
 
     static inline GraphicBufferAllocator& get() { return getInstance(); }
 
-    status_t alloc(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
-            buffer_handle_t* handle, uint32_t* stride);
+    status_t allocate(uint32_t w, uint32_t h, PixelFormat format,
+            uint32_t usage, buffer_handle_t* handle, uint32_t* stride,
+            uint64_t graphicBufferId);
 
     status_t free(buffer_handle_t handle);
 
@@ -86,7 +85,8 @@
     GraphicBufferAllocator();
     ~GraphicBufferAllocator();
 
-    alloc_device_t  *mAllocDev;
+    std::unique_ptr<Gralloc1::Loader> mLoader;
+    std::unique_ptr<Gralloc1::Device> mDevice;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/include/ui/GraphicBufferMapper.h b/include/ui/GraphicBufferMapper.h
index 6099548..a25809c 100644
--- a/include/ui/GraphicBufferMapper.h
+++ b/include/ui/GraphicBufferMapper.h
@@ -20,13 +20,10 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <ui/Gralloc1.h>
+
 #include <utils/Singleton.h>
 
-#include <hardware/gralloc.h>
-
-
-struct gralloc_module_t;
-
 namespace android {
 
 // ---------------------------------------------------------------------------
@@ -39,6 +36,7 @@
     static inline GraphicBufferMapper& get() { return getInstance(); }
 
     status_t registerBuffer(buffer_handle_t handle);
+    status_t registerBuffer(const GraphicBuffer* buffer);
 
     status_t unregisterBuffer(buffer_handle_t handle);
 
@@ -59,13 +57,13 @@
 
     status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
 
-    // dumps information about the mapping of this handle
-    void dump(buffer_handle_t handle);
-
 private:
     friend class Singleton<GraphicBufferMapper>;
+
     GraphicBufferMapper();
-    gralloc_module_t const *mAllocMod;
+
+    std::unique_ptr<Gralloc1::Loader> mLoader;
+    std::unique_ptr<Gralloc1::Device> mDevice;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/libs/binder/IMemory.cpp b/libs/binder/IMemory.cpp
index 7bf2d17..55ad6cc 100644
--- a/libs/binder/IMemory.cpp
+++ b/libs/binder/IMemory.cpp
@@ -312,17 +312,17 @@
                 IInterface::asBinder(this).get(),
                 parcel_fd, size, err, strerror(-err));
 
-        int fd = dup( parcel_fd );
-        ALOGE_IF(fd==-1, "cannot dup fd=%d, size=%zd, err=%d (%s)",
-                parcel_fd, size, err, strerror(errno));
-
-        int access = PROT_READ;
-        if (!(flags & READ_ONLY)) {
-            access |= PROT_WRITE;
-        }
-
         Mutex::Autolock _l(mLock);
         if (mHeapId == -1) {
+            int fd = dup( parcel_fd );
+            ALOGE_IF(fd==-1, "cannot dup fd=%d, size=%zd, err=%d (%s)",
+                    parcel_fd, size, err, strerror(errno));
+
+            int access = PROT_READ;
+            if (!(flags & READ_ONLY)) {
+                access |= PROT_WRITE;
+            }
+
             mRealHeap = true;
             mBase = mmap(0, size, access, MAP_SHARED, fd, offset);
             if (mBase == MAP_FAILED) {
diff --git a/libs/gui/Android.mk b/libs/gui/Android.mk
index 2c6b8e3..f5961cf 100644
--- a/libs/gui/Android.mk
+++ b/libs/gui/Android.mk
@@ -99,12 +99,6 @@
 	LOCAL_CFLAGS += -DHAVE_NO_SURFACE_FLINGER
 endif
 
-ifeq ($(BOARD_ENABLE_GPU_PROTECTED_CONTENT),true)
-	LOCAL_CFLAGS += -DENABLE_GPU_PROTECTED_CONTENT=true
-else
-	LOCAL_CFLAGS += -DENABLE_GPU_PROTECTED_CONTENT=false
-endif
-
 include $(BUILD_SHARED_LIBRARY)
 
 ifeq (,$(ONE_SHOT_MAKEFILE))
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index ccbb5a2..6de98f5 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -61,6 +61,15 @@
     }
 }
 
+bool BufferQueue::ProxyConsumerListener::getFrameTimestamps(
+        uint64_t frameNumber, FrameTimestamps* outTimestamps) const {
+    sp<ConsumerListener> listener(mConsumerListener.promote());
+    if (listener != NULL) {
+        return listener->getFrameTimestamps(frameNumber, outTimestamps);
+    }
+    return false;
+}
+
 void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
         sp<IGraphicBufferConsumer>* outConsumer,
         const sp<IGraphicBufferAlloc>& allocator) {
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 07cfb4f..3a0a283 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -1405,6 +1405,22 @@
     return NO_ERROR;
 }
 
+bool BufferQueueProducer::getFrameTimestamps(uint64_t frameNumber,
+        FrameTimestamps* outTimestamps) const {
+    ATRACE_CALL();
+    BQ_LOGV("getFrameTimestamps, %" PRIu64, frameNumber);
+    sp<IConsumerListener> listener;
+
+    {
+        Mutex::Autolock lock(mCore->mMutex);
+        listener = mCore->mConsumerListener;
+    }
+    if (listener != NULL) {
+        return listener->getFrameTimestamps(frameNumber, outTimestamps);
+    }
+    return false;
+}
+
 void BufferQueueProducer::binderDied(const wp<android::IBinder>& /* who */) {
     // If we're here, it means that a producer we were connected to died.
     // We're guaranteed that we are still connected to it because we remove
diff --git a/libs/gui/GLConsumer.cpp b/libs/gui/GLConsumer.cpp
index a06c7b5..553b65c 100644
--- a/libs/gui/GLConsumer.cpp
+++ b/libs/gui/GLConsumer.cpp
@@ -135,8 +135,7 @@
     bool atEnd = (cropExtLen+1) < extsLen &&
             !strcmp(" " PROT_CONTENT_EXT_STR, exts + extsLen - (cropExtLen+1));
     bool inMiddle = strstr(exts, " " PROT_CONTENT_EXT_STR " ");
-    return ENABLE_GPU_PROTECTED_CONTENT &&
-            (equal || atStart || atEnd || inMiddle);
+    return equal || atStart || atEnd || inMiddle;
 }
 
 static bool hasEglProtectedContent() {
diff --git a/libs/gui/IConsumerListener.cpp b/libs/gui/IConsumerListener.cpp
index 9a0b7a4..3175b91 100644
--- a/libs/gui/IConsumerListener.cpp
+++ b/libs/gui/IConsumerListener.cpp
@@ -31,6 +31,7 @@
     ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION,
     ON_BUFFER_RELEASED,
     ON_SIDEBAND_STREAM_CHANGED,
+    GET_FRAME_TIMESTAMPS
 };
 
 class BpConsumerListener : public BpInterface<IConsumerListener>
@@ -60,6 +61,42 @@
         data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
         remote()->transact(ON_SIDEBAND_STREAM_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual bool getFrameTimestamps(uint64_t frameNumber,
+            FrameTimestamps* outTimestamps) const {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(
+                IConsumerListener::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to write token: %d", result);
+            return false;
+        }
+        result = data.writeUint64(frameNumber);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to write: %d", result);
+            return false;
+        }
+        result = remote()->transact(GET_FRAME_TIMESTAMPS, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to transact: %d", result);
+            return false;
+        }
+        bool found = false;
+        result = reply.readBool(&found);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to read: %d", result);
+            return false;
+        }
+        if (found) {
+            result = reply.read(*outTimestamps);
+            if (result != NO_ERROR) {
+                ALOGE("getFrameTimestamps failed to read timestamps: %d",
+                        result);
+                return false;
+            }
+        }
+        return found;
+    }
 };
 
 // Out-of-line virtual method definition to trigger vtable emission in this
@@ -88,6 +125,30 @@
             CHECK_INTERFACE(IConsumerListener, data, reply);
             onSidebandStreamChanged();
             return NO_ERROR; }
+        case GET_FRAME_TIMESTAMPS: {
+            CHECK_INTERFACE(IConsumerListener, data, reply);
+            uint64_t frameNumber = 0;
+            status_t result = data.readUint64(&frameNumber);
+            if (result != NO_ERROR) {
+                ALOGE("onTransact failed to read: %d", result);
+                return result;
+            }
+            FrameTimestamps timestamps;
+            bool found = getFrameTimestamps(frameNumber, &timestamps);
+            result = reply->writeBool(found);
+            if (result != NO_ERROR) {
+                ALOGE("onTransact failed to write: %d", result);
+                return result;
+            }
+            if (found) {
+                result = reply->write(timestamps);
+                if (result != NO_ERROR) {
+                    ALOGE("onTransact failed to write timestamps: %d", result);
+                    return result;
+                }
+            }
+            return NO_ERROR;
+        }
     }
     return BBinder::onTransact(code, data, reply, flags);
 }
diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
index 81e9407..ab83317 100644
--- a/libs/gui/IGraphicBufferProducer.cpp
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -55,6 +55,7 @@
     SET_AUTO_REFRESH,
     SET_DEQUEUE_TIMEOUT,
     GET_LAST_QUEUED_BUFFER,
+    GET_FRAME_TIMESTAMPS
 };
 
 class BpGraphicBufferProducer : public BpInterface<IGraphicBufferProducer>
@@ -418,6 +419,42 @@
         *outFence = fence;
         return result;
     }
+
+    virtual bool getFrameTimestamps(uint64_t frameNumber,
+                FrameTimestamps* outTimestamps) const {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(
+                IGraphicBufferProducer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to write token: %d", result);
+            return false;
+        }
+        result = data.writeUint64(frameNumber);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to write: %d", result);
+            return false;
+        }
+        result = remote()->transact(GET_FRAME_TIMESTAMPS, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to transact: %d", result);
+            return false;
+        }
+        bool found = false;
+        result = reply.readBool(&found);
+        if (result != NO_ERROR) {
+            ALOGE("getFrameTimestamps failed to read: %d", result);
+            return false;
+        }
+        if (found) {
+            result = reply.read(*outTimestamps);
+            if (result != NO_ERROR) {
+                ALOGE("getFrameTimestamps failed to read timestamps: %d",
+                        result);
+                return false;
+            }
+        }
+        return found;
+    }
 };
 
 // Out-of-line virtual method definition to trigger vtable emission in this
@@ -659,6 +696,30 @@
             }
             return NO_ERROR;
         }
+        case GET_FRAME_TIMESTAMPS: {
+            CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
+            uint64_t frameNumber = 0;
+            status_t result = data.readUint64(&frameNumber);
+            if (result != NO_ERROR) {
+                ALOGE("onTransact failed to read: %d", result);
+                return result;
+            }
+            FrameTimestamps timestamps;
+            bool found = getFrameTimestamps(frameNumber, &timestamps);
+            result = reply->writeBool(found);
+            if (result != NO_ERROR) {
+                ALOGE("onTransact failed to write: %d", result);
+                return result;
+            }
+            if (found) {
+                result = reply->write(timestamps);
+                if (result != NO_ERROR) {
+                    ALOGE("onTransact failed to write timestamps: %d", result);
+                    return result;
+                }
+            }
+            return NO_ERROR;
+        }
     }
     return BBinder::onTransact(code, data, reply, flags);
 }
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 9d130cd..4739ca4 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -133,6 +133,39 @@
             outTransformMatrix);
 }
 
+bool Surface::getFrameTimestamps(uint64_t frameNumber, nsecs_t* outPostedTime,
+        nsecs_t* outAcquireTime, nsecs_t* outRefreshStartTime,
+        nsecs_t* outGlCompositionDoneTime, nsecs_t* outDisplayRetireTime,
+        nsecs_t* outReleaseTime) {
+    ATRACE_CALL();
+
+    FrameTimestamps timestamps;
+    bool found = mGraphicBufferProducer->getFrameTimestamps(frameNumber,
+            &timestamps);
+    if (found) {
+        if (outPostedTime) {
+            *outPostedTime = timestamps.postedTime;
+        }
+        if (outAcquireTime) {
+            *outAcquireTime = timestamps.acquireTime;
+        }
+        if (outRefreshStartTime) {
+            *outRefreshStartTime = timestamps.refreshStartTime;
+        }
+        if (outGlCompositionDoneTime) {
+            *outGlCompositionDoneTime = timestamps.glCompositionDoneTime;
+        }
+        if (outDisplayRetireTime) {
+            *outDisplayRetireTime = timestamps.displayRetireTime;
+        }
+        if (outReleaseTime) {
+            *outReleaseTime = timestamps.releaseTime;
+        }
+        return true;
+    }
+    return false;
+}
+
 int Surface::hook_setSwapInterval(ANativeWindow* window, int interval) {
     Surface* c = getSelf(window);
     return c->setSwapInterval(interval);
@@ -617,6 +650,9 @@
     case NATIVE_WINDOW_SET_AUTO_REFRESH:
         res = dispatchSetAutoRefresh(args);
         break;
+    case NATIVE_WINDOW_GET_FRAME_TIMESTAMPS:
+        res = dispatchGetFrameTimestamps(args);
+        break;
     default:
         res = NAME_NOT_FOUND;
         break;
@@ -737,6 +773,20 @@
     return setAutoRefresh(autoRefresh);
 }
 
+int Surface::dispatchGetFrameTimestamps(va_list args) {
+    uint32_t framesAgo = va_arg(args, uint32_t);
+    nsecs_t* outPostedTime = va_arg(args, int64_t*);
+    nsecs_t* outAcquireTime = va_arg(args, int64_t*);
+    nsecs_t* outRefreshStartTime = va_arg(args, int64_t*);
+    nsecs_t* outGlCompositionDoneTime = va_arg(args, int64_t*);
+    nsecs_t* outDisplayRetireTime = va_arg(args, int64_t*);
+    nsecs_t* outReleaseTime = va_arg(args, int64_t*);
+    bool ret = getFrameTimestamps(getNextFrameNumber() - 1 - framesAgo,
+            outPostedTime, outAcquireTime, outRefreshStartTime,
+            outGlCompositionDoneTime, outDisplayRetireTime, outReleaseTime);
+    return ret ? NO_ERROR : BAD_VALUE;
+}
+
 int Surface::connect(int api) {
     static sp<IProducerListener> listener = new DummyProducerListener();
     return connect(api, listener);
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index ee6c093..e690ede 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -17,7 +17,7 @@
 
 LOCAL_CLANG := true
 LOCAL_CPPFLAGS := -std=c++1y -Weverything -Werror
-LOCAL_SANITIZE := integer
+# LOCAL_SANITIZE := integer
 
 # The static constructors and destructors in this library have not been noted to
 # introduce significant overheads
@@ -37,6 +37,8 @@
 LOCAL_SRC_FILES := \
 	Fence.cpp \
 	FrameStats.cpp \
+	Gralloc1.cpp \
+	Gralloc1On0Adapter.cpp \
 	GraphicBuffer.cpp \
 	GraphicBufferAllocator.cpp \
 	GraphicBufferMapper.cpp \
diff --git a/libs/ui/Gralloc1.cpp b/libs/ui/Gralloc1.cpp
new file mode 100644
index 0000000..4c73ce4
--- /dev/null
+++ b/libs/ui/Gralloc1.cpp
@@ -0,0 +1,402 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+
+#include <ui/Gralloc1.h>
+
+#include <vector>
+
+#undef LOG_TAG
+#define LOG_TAG GRALLOC1_LOG_TAG
+
+namespace android {
+
+namespace Gralloc1 {
+
+Descriptor::~Descriptor()
+{
+    int32_t intError = mShimDevice.mFunctions.destroyDescriptor(
+            mShimDevice.mDevice, mDeviceId);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("destroyDescriptor failed: %d", intError);
+    }
+}
+
+gralloc1_error_t Descriptor::setDimensions(uint32_t width, uint32_t height)
+{
+    int32_t intError = mShimDevice.mFunctions.setDimensions(mShimDevice.mDevice,
+            mDeviceId, width, height);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error != GRALLOC1_ERROR_NONE) {
+        return error;
+    }
+    mWidth = width;
+    mHeight = height;
+    return error;
+}
+
+template <typename ApiType>
+struct Setter {
+    typedef int32_t (*Type)(gralloc1_device_t*, gralloc1_buffer_descriptor_t,
+            ApiType);
+};
+
+template <typename ApiType, typename ValueType>
+static inline gralloc1_error_t setHelper(
+        typename Setter<ApiType>::Type setter, gralloc1_device_t* device,
+        gralloc1_buffer_descriptor_t id, ValueType newValue,
+        ValueType* cacheVariable)
+{
+    int32_t intError = setter(device, id, static_cast<ApiType>(newValue));
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error != GRALLOC1_ERROR_NONE) {
+        return error;
+    }
+    *cacheVariable = newValue;
+    return error;
+}
+
+gralloc1_error_t Descriptor::setFormat(android_pixel_format_t format)
+{
+    return setHelper<int32_t>(mShimDevice.mFunctions.setFormat.pfn,
+            mShimDevice.mDevice, mDeviceId, format, &mFormat);
+}
+
+gralloc1_error_t Descriptor::setProducerUsage(gralloc1_producer_usage_t usage)
+{
+    return setHelper<uint64_t>(mShimDevice.mFunctions.setProducerUsage.pfn,
+            mShimDevice.mDevice, mDeviceId, usage, &mProducerUsage);
+}
+
+gralloc1_error_t Descriptor::setConsumerUsage(gralloc1_consumer_usage_t usage)
+{
+    return setHelper<uint64_t>(mShimDevice.mFunctions.setConsumerUsage.pfn,
+            mShimDevice.mDevice, mDeviceId, usage, &mConsumerUsage);
+}
+
+Device::Device(gralloc1_device_t* device)
+  : mDevice(device),
+    mCapabilities(loadCapabilities()),
+    mFunctions()
+{
+    if (!loadFunctions()) {
+        ALOGE("Failed to load a required function, aborting");
+        abort();
+    }
+}
+
+bool Device::hasCapability(gralloc1_capability_t capability) const
+{
+    return mCapabilities.count(capability) > 0;
+}
+
+std::string Device::dump()
+{
+    uint32_t length = 0;
+    mFunctions.dump(mDevice, &length, nullptr);
+
+    std::vector<char> output;
+    output.resize(length);
+    mFunctions.dump(mDevice, &length, output.data());
+
+    return std::string(output.cbegin(), output.cend());
+}
+
+std::shared_ptr<Descriptor> Device::createDescriptor()
+{
+    gralloc1_buffer_descriptor_t descriptorId;
+    int32_t intError = mFunctions.createDescriptor(mDevice, &descriptorId);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error != GRALLOC1_ERROR_NONE) {
+        return nullptr;
+    }
+    auto descriptor = std::make_shared<Descriptor>(*this, descriptorId);
+    return descriptor;
+}
+
+gralloc1_error_t Device::getStride(buffer_handle_t buffer, uint32_t* outStride)
+{
+    int32_t intError = mFunctions.getStride(mDevice, buffer, outStride);
+    return static_cast<gralloc1_error_t>(intError);
+}
+
+static inline bool allocationSucceded(gralloc1_error_t error)
+{
+    return error == GRALLOC1_ERROR_NONE || error == GRALLOC1_ERROR_NOT_SHARED;
+}
+
+gralloc1_error_t Device::allocate(
+        const std::vector<std::shared_ptr<const Descriptor>>& descriptors,
+        std::vector<buffer_handle_t>* outBuffers)
+{
+    if (mFunctions.allocate.pfn == nullptr) {
+        // Allocation is not supported on this device
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    std::vector<gralloc1_buffer_descriptor_t> deviceIds;
+    for (const auto& descriptor : descriptors) {
+        deviceIds.emplace_back(descriptor->getDeviceId());
+    }
+
+    std::vector<buffer_handle_t> buffers(descriptors.size());
+    int32_t intError = mFunctions.allocate(mDevice,
+            static_cast<uint32_t>(descriptors.size()), deviceIds.data(),
+            buffers.data());
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (allocationSucceded(error)) {
+        *outBuffers = std::move(buffers);
+    }
+
+    return error;
+}
+
+gralloc1_error_t Device::allocate(
+        const std::shared_ptr<const Descriptor>& descriptor,
+        gralloc1_backing_store_t id, buffer_handle_t* outBuffer)
+{
+    gralloc1_error_t error = GRALLOC1_ERROR_NONE;
+
+    if (hasCapability(GRALLOC1_CAPABILITY_ON_ADAPTER)) {
+        buffer_handle_t buffer = nullptr;
+        int32_t intError = mFunctions.allocateWithId(mDevice,
+                descriptor->getDeviceId(), id, &buffer);
+        error = static_cast<gralloc1_error_t>(intError);
+        if (allocationSucceded(error)) {
+            *outBuffer = buffer;
+        }
+    } else {
+        std::vector<std::shared_ptr<const Descriptor>> descriptors;
+        descriptors.emplace_back(descriptor);
+        std::vector<buffer_handle_t> buffers;
+        error = allocate(descriptors, &buffers);
+        if (allocationSucceded(error)) {
+            *outBuffer = buffers[0];
+        }
+    }
+
+    return error;
+}
+
+gralloc1_error_t Device::retain(buffer_handle_t buffer)
+{
+    int32_t intError = mFunctions.retain(mDevice, buffer);
+    return static_cast<gralloc1_error_t>(intError);
+}
+
+gralloc1_error_t Device::retain(const GraphicBuffer* buffer)
+{
+    if (hasCapability(GRALLOC1_CAPABILITY_ON_ADAPTER)) {
+        return mFunctions.retainGraphicBuffer(mDevice, buffer);
+    } else {
+        return retain(buffer->getNativeBuffer()->handle);
+    }
+}
+
+gralloc1_error_t Device::release(buffer_handle_t buffer)
+{
+    int32_t intError = mFunctions.release(mDevice, buffer);
+    return static_cast<gralloc1_error_t>(intError);
+}
+
+gralloc1_error_t Device::getNumFlexPlanes(buffer_handle_t buffer,
+        uint32_t* outNumPlanes)
+{
+    uint32_t numPlanes = 0;
+    int32_t intError = mFunctions.getNumFlexPlanes(mDevice, buffer, &numPlanes);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outNumPlanes = numPlanes;
+    }
+    return error;
+}
+
+gralloc1_error_t Device::lock(buffer_handle_t buffer,
+        gralloc1_producer_usage_t producerUsage,
+        gralloc1_consumer_usage_t consumerUsage,
+        const gralloc1_rect_t* accessRegion, void** outData,
+        const sp<Fence>& acquireFence)
+{
+    ALOGV("Calling lock(%p)", buffer);
+    return lockHelper(mFunctions.lock.pfn, buffer, producerUsage,
+            consumerUsage, accessRegion, outData, acquireFence);
+}
+
+gralloc1_error_t Device::lockFlex(buffer_handle_t buffer,
+        gralloc1_producer_usage_t producerUsage,
+        gralloc1_consumer_usage_t consumerUsage,
+        const gralloc1_rect_t* accessRegion,
+        struct android_flex_layout* outData,
+        const sp<Fence>& acquireFence)
+{
+    ALOGV("Calling lockFlex(%p)", buffer);
+    return lockHelper(mFunctions.lockFlex.pfn, buffer, producerUsage,
+            consumerUsage, accessRegion, outData, acquireFence);
+}
+
+gralloc1_error_t Device::lockYCbCr(buffer_handle_t buffer,
+        gralloc1_producer_usage_t producerUsage,
+        gralloc1_consumer_usage_t consumerUsage,
+        const gralloc1_rect_t* accessRegion,
+        struct android_ycbcr* outData,
+        const sp<Fence>& acquireFence)
+{
+    ALOGV("Calling lockYCbCr(%p)", buffer);
+    return lockHelper(mFunctions.lockYCbCr.pfn, buffer, producerUsage,
+            consumerUsage, accessRegion, outData, acquireFence);
+}
+
+gralloc1_error_t Device::unlock(buffer_handle_t buffer, sp<Fence>* outFence)
+{
+    int32_t fenceFd = -1;
+    int32_t intError = mFunctions.unlock(mDevice, buffer, &fenceFd);
+    auto error = static_cast<gralloc1_error_t>(intError);
+    if (error == GRALLOC1_ERROR_NONE) {
+        *outFence = new Fence(fenceFd);
+    }
+    return error;
+}
+
+std::unordered_set<gralloc1_capability_t> Device::loadCapabilities()
+{
+    std::vector<int32_t> intCapabilities;
+    uint32_t numCapabilities = 0;
+    mDevice->getCapabilities(mDevice, &numCapabilities, nullptr);
+
+    intCapabilities.resize(numCapabilities);
+    mDevice->getCapabilities(mDevice, &numCapabilities, intCapabilities.data());
+
+    std::unordered_set<gralloc1_capability_t> capabilities;
+    for (const auto intCapability : intCapabilities) {
+        capabilities.emplace(static_cast<gralloc1_capability_t>(intCapability));
+    }
+    return capabilities;
+}
+
+bool Device::loadFunctions()
+{
+    // Functions which must always be present
+    if (!mFunctions.dump.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.createDescriptor.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.destroyDescriptor.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.setConsumerUsage.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.setDimensions.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.setFormat.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.setProducerUsage.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getBackingStore.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getConsumerUsage.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getDimensions.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getFormat.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getProducerUsage.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getStride.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.retain.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.release.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.getNumFlexPlanes.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.lock.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.lockFlex.load(mDevice, true)) {
+        return false;
+    }
+    if (!mFunctions.unlock.load(mDevice, true)) {
+        return false;
+    }
+
+    if (hasCapability(GRALLOC1_CAPABILITY_ON_ADAPTER)) {
+        // These should always be present on the adapter
+        if (!mFunctions.retainGraphicBuffer.load(mDevice, true)) {
+            return false;
+        }
+        if (!mFunctions.lockYCbCr.load(mDevice, true)) {
+            return false;
+        }
+
+        // allocateWithId may not be present if we're only able to map in this
+        // process
+        mFunctions.allocateWithId.load(mDevice, false);
+    } else {
+        // allocate may not be present if we're only able to map in this process
+        mFunctions.allocate.load(mDevice, false);
+    }
+
+    return true;
+}
+
+std::unique_ptr<Gralloc1On0Adapter> Loader::mAdapter = nullptr;
+
+Loader::Loader()
+  : mDevice(nullptr)
+{
+    hw_module_t const* module;
+    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+    uint8_t majorVersion = (module->module_api_version >> 8) & 0xFF;
+    uint8_t minorVersion = module->module_api_version & 0xFF;
+    gralloc1_device_t* device = nullptr;
+    if (majorVersion == 1) {
+        gralloc1_open(module, &device);
+    } else {
+        if (!mAdapter) {
+            mAdapter = std::make_unique<Gralloc1On0Adapter>(module);
+        }
+        device = mAdapter->getDevice();
+    }
+    mDevice = std::make_unique<Gralloc1::Device>(device);
+}
+
+Loader::~Loader() {}
+
+std::unique_ptr<Device> Loader::getDevice()
+{
+    return std::move(mDevice);
+}
+
+} // namespace android::Gralloc1
+
+} // namespace android
diff --git a/libs/ui/Gralloc1On0Adapter.cpp b/libs/ui/Gralloc1On0Adapter.cpp
new file mode 100644
index 0000000..6e69df1
--- /dev/null
+++ b/libs/ui/Gralloc1On0Adapter.cpp
@@ -0,0 +1,469 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "Gralloc1On0Adapter"
+//#define LOG_NDEBUG 0
+
+#include <hardware/gralloc.h>
+
+#include <ui/Gralloc1On0Adapter.h>
+
+#include <utils/Log.h>
+
+#include <inttypes.h>
+
+template <typename PFN, typename T>
+static gralloc1_function_pointer_t asFP(T function)
+{
+    static_assert(std::is_same<PFN, T>::value, "Incompatible function pointer");
+    return reinterpret_cast<gralloc1_function_pointer_t>(function);
+}
+
+namespace android {
+
+Gralloc1On0Adapter::Gralloc1On0Adapter(const hw_module_t* module)
+  : mModule(reinterpret_cast<const gralloc_module_t*>(module)),
+    mMinorVersion(mModule->common.module_api_version & 0xFF),
+    mDevice(nullptr)
+{
+    ALOGV("Constructing");
+    getCapabilities = getCapabilitiesHook;
+    getFunction = getFunctionHook;
+    int error = ::gralloc_open(&(mModule->common), &mDevice);
+    if (error) {
+        ALOGE("Failed to open gralloc0 module: %d", error);
+    }
+    ALOGV("Opened gralloc0 device %p", mDevice);
+}
+
+Gralloc1On0Adapter::~Gralloc1On0Adapter()
+{
+    ALOGV("Destructing");
+    if (mDevice) {
+        ALOGV("Closing gralloc0 device %p", mDevice);
+        ::gralloc_close(mDevice);
+    }
+}
+
+void Gralloc1On0Adapter::doGetCapabilities(uint32_t* outCount,
+        int32_t* outCapabilities)
+{
+    if (outCapabilities == nullptr) {
+        *outCount = 1;
+        return;
+    }
+    if (*outCount >= 1) {
+        *outCapabilities = GRALLOC1_CAPABILITY_ON_ADAPTER;
+        *outCount = 1;
+    }
+}
+
+gralloc1_function_pointer_t Gralloc1On0Adapter::doGetFunction(
+        int32_t intDescriptor)
+{
+    constexpr auto lastDescriptor =
+            static_cast<int32_t>(GRALLOC1_LAST_ADAPTER_FUNCTION);
+    if (intDescriptor < 0 || intDescriptor > lastDescriptor) {
+        ALOGE("Invalid function descriptor");
+        return nullptr;
+    }
+
+    auto descriptor =
+            static_cast<gralloc1_function_descriptor_t>(intDescriptor);
+    switch (descriptor) {
+        case GRALLOC1_FUNCTION_DUMP:
+            return asFP<GRALLOC1_PFN_DUMP>(dumpHook);
+        case GRALLOC1_FUNCTION_CREATE_DESCRIPTOR:
+            return asFP<GRALLOC1_PFN_CREATE_DESCRIPTOR>(createDescriptorHook);
+        case GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR:
+            return asFP<GRALLOC1_PFN_DESTROY_DESCRIPTOR>(destroyDescriptorHook);
+        case GRALLOC1_FUNCTION_SET_CONSUMER_USAGE:
+            return asFP<GRALLOC1_PFN_SET_CONSUMER_USAGE>(setConsumerUsageHook);
+        case GRALLOC1_FUNCTION_SET_DIMENSIONS:
+            return asFP<GRALLOC1_PFN_SET_DIMENSIONS>(setDimensionsHook);
+        case GRALLOC1_FUNCTION_SET_FORMAT:
+            return asFP<GRALLOC1_PFN_SET_FORMAT>(setFormatHook);
+        case GRALLOC1_FUNCTION_SET_PRODUCER_USAGE:
+            return asFP<GRALLOC1_PFN_SET_PRODUCER_USAGE>(setProducerUsageHook);
+        case GRALLOC1_FUNCTION_GET_BACKING_STORE:
+            return asFP<GRALLOC1_PFN_GET_BACKING_STORE>(
+                    bufferHook<decltype(&Buffer::getBackingStore),
+                    &Buffer::getBackingStore, gralloc1_backing_store_t*>);
+        case GRALLOC1_FUNCTION_GET_CONSUMER_USAGE:
+            return asFP<GRALLOC1_PFN_GET_CONSUMER_USAGE>(getConsumerUsageHook);
+        case GRALLOC1_FUNCTION_GET_DIMENSIONS:
+            return asFP<GRALLOC1_PFN_GET_DIMENSIONS>(
+                    bufferHook<decltype(&Buffer::getDimensions),
+                    &Buffer::getDimensions, uint32_t*, uint32_t*>);
+        case GRALLOC1_FUNCTION_GET_FORMAT:
+            return asFP<GRALLOC1_PFN_GET_FORMAT>(
+                    bufferHook<decltype(&Buffer::getFormat),
+                    &Buffer::getFormat, int32_t*>);
+        case GRALLOC1_FUNCTION_GET_PRODUCER_USAGE:
+            return asFP<GRALLOC1_PFN_GET_PRODUCER_USAGE>(getProducerUsageHook);
+        case GRALLOC1_FUNCTION_GET_STRIDE:
+            return asFP<GRALLOC1_PFN_GET_STRIDE>(
+                    bufferHook<decltype(&Buffer::getStride),
+                    &Buffer::getStride, uint32_t*>);
+        case GRALLOC1_FUNCTION_ALLOCATE:
+            // Not provided, since we'll use ALLOCATE_WITH_ID
+            return nullptr;
+        case GRALLOC1_FUNCTION_ALLOCATE_WITH_ID:
+            if (mDevice != nullptr) {
+                return asFP<GRALLOC1_PFN_ALLOCATE_WITH_ID>(allocateWithIdHook);
+            } else {
+                return nullptr;
+            }
+        case GRALLOC1_FUNCTION_RETAIN:
+            return asFP<GRALLOC1_PFN_RETAIN>(
+                    managementHook<&Gralloc1On0Adapter::retain>);
+        case GRALLOC1_FUNCTION_RELEASE:
+            return asFP<GRALLOC1_PFN_RELEASE>(
+                    managementHook<&Gralloc1On0Adapter::release>);
+        case GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER:
+            return asFP<GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER>(
+                    retainGraphicBufferHook);
+        case GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES:
+            return asFP<GRALLOC1_PFN_GET_NUM_FLEX_PLANES>(
+                    bufferHook<decltype(&Buffer::getNumFlexPlanes),
+                    &Buffer::getNumFlexPlanes, uint32_t*>);
+        case GRALLOC1_FUNCTION_LOCK:
+            return asFP<GRALLOC1_PFN_LOCK>(
+                    lockHook<void*, &Gralloc1On0Adapter::lock>);
+        case GRALLOC1_FUNCTION_LOCK_FLEX:
+            return asFP<GRALLOC1_PFN_LOCK_FLEX>(
+                    lockHook<struct android_flex_layout,
+                    &Gralloc1On0Adapter::lockFlex>);
+        case GRALLOC1_FUNCTION_LOCK_YCBCR:
+            return asFP<GRALLOC1_PFN_LOCK_YCBCR>(
+                    lockHook<struct android_ycbcr,
+                    &Gralloc1On0Adapter::lockYCbCr>);
+        case GRALLOC1_FUNCTION_UNLOCK:
+            return asFP<GRALLOC1_PFN_UNLOCK>(unlockHook);
+        case GRALLOC1_FUNCTION_INVALID:
+            ALOGE("Invalid function descriptor");
+            return nullptr;
+    }
+
+    ALOGE("Unknown function descriptor: %d", intDescriptor);
+    return nullptr;
+}
+
+void Gralloc1On0Adapter::dump(uint32_t* outSize, char* outBuffer)
+{
+    ALOGV("dump(%u (%p), %p", outSize ? *outSize : 0, outSize, outBuffer);
+
+    if (!mDevice->dump) {
+        // dump is optional on gralloc0 implementations
+        *outSize = 0;
+        return;
+    }
+
+    if (!outBuffer) {
+        constexpr int32_t BUFFER_LENGTH = 4096;
+        char buffer[BUFFER_LENGTH] = {};
+        mDevice->dump(mDevice, buffer, BUFFER_LENGTH);
+        buffer[BUFFER_LENGTH - 1] = 0; // Ensure the buffer is null-terminated
+        size_t actualLength = std::strlen(buffer);
+        mCachedDump.resize(actualLength);
+        std::copy_n(buffer, actualLength, mCachedDump.begin());
+        *outSize = static_cast<uint32_t>(actualLength);
+    } else {
+        *outSize = std::min(*outSize,
+                static_cast<uint32_t>(mCachedDump.size()));
+        outBuffer = std::copy_n(mCachedDump.cbegin(), *outSize, outBuffer);
+    }
+}
+
+gralloc1_error_t Gralloc1On0Adapter::createDescriptor(
+        gralloc1_buffer_descriptor_t* outDescriptor)
+{
+    auto descriptorId = sNextBufferDescriptorId++;
+    mDescriptors.emplace(descriptorId,
+            std::make_shared<Descriptor>(this, descriptorId));
+
+    ALOGV("Created descriptor %" PRIu64, descriptorId);
+
+    *outDescriptor = descriptorId;
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::destroyDescriptor(
+        gralloc1_buffer_descriptor_t descriptor)
+{
+    ALOGV("Destroying descriptor %" PRIu64, descriptor);
+
+    if (mDescriptors.count(descriptor) == 0) {
+        return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+    }
+
+    mDescriptors.erase(descriptor);
+    return GRALLOC1_ERROR_NONE;
+}
+
+Gralloc1On0Adapter::Buffer::Buffer(buffer_handle_t handle,
+        gralloc1_backing_store_t store, const Descriptor& descriptor,
+        uint32_t stride, bool wasAllocated)
+  : mHandle(handle),
+    mReferenceCount(1),
+    mStore(store),
+    mDescriptor(descriptor),
+    mStride(stride),
+    mWasAllocated(wasAllocated) {}
+
+gralloc1_error_t Gralloc1On0Adapter::allocate(
+        const std::shared_ptr<Descriptor>& descriptor,
+        gralloc1_backing_store_t store,
+        buffer_handle_t* outBufferHandle)
+{
+    ALOGV("allocate(%" PRIu64 ", %#" PRIx64 ")", descriptor->id, store);
+
+    // If this function is being called, it's because we handed out its function
+    // pointer, which only occurs when mDevice has been loaded successfully and
+    // we are permitted to allocate
+
+    int usage = static_cast<int>(descriptor->producerUsage) |
+            static_cast<int>(descriptor->consumerUsage);
+    buffer_handle_t handle = nullptr;
+    int stride = 0;
+    ALOGV("Calling alloc(%p, %u, %u, %i, %u)", mDevice, descriptor->width,
+            descriptor->height, descriptor->format, usage);
+    auto error = mDevice->alloc(mDevice,
+            static_cast<int>(descriptor->width),
+            static_cast<int>(descriptor->height), descriptor->format,
+            usage, &handle, &stride);
+    if (error != 0) {
+        ALOGE("gralloc0 allocation failed: %d (%s)", error,
+                strerror(-error));
+        return GRALLOC1_ERROR_NO_RESOURCES;
+    }
+
+    *outBufferHandle = handle;
+    auto buffer = std::make_shared<Buffer>(handle, store, *descriptor, stride,
+            true);
+    mBuffers.emplace(handle, std::move(buffer));
+
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::allocateWithIdHook(
+        gralloc1_device_t* device, gralloc1_buffer_descriptor_t descriptorId,
+        gralloc1_backing_store_t store, buffer_handle_t* outBuffer)
+{
+    auto adapter = getAdapter(device);
+
+    auto descriptor = adapter->getDescriptor(descriptorId);
+    if (!descriptor) {
+        return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+    }
+
+    buffer_handle_t bufferHandle = nullptr;
+    auto error = adapter->allocate(descriptor, store, &bufferHandle);
+    if (error != GRALLOC1_ERROR_NONE) {
+        return error;
+    }
+
+    *outBuffer = bufferHandle;
+    return error;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::retain(
+        const std::shared_ptr<Buffer>& buffer)
+{
+    buffer->retain();
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::release(
+        const std::shared_ptr<Buffer>& buffer)
+{
+    if (!buffer->release()) {
+        return GRALLOC1_ERROR_NONE;
+    }
+
+    buffer_handle_t handle = buffer->getHandle();
+    if (buffer->wasAllocated()) {
+        ALOGV("Calling free(%p)", handle);
+        int result = mDevice->free(mDevice, handle);
+        if (result != 0) {
+            ALOGE("gralloc0 free failed: %d", result);
+        }
+    } else {
+        ALOGV("Calling unregisterBuffer(%p)", handle);
+        int result = mModule->unregisterBuffer(mModule, handle);
+        if (result != 0) {
+            ALOGE("gralloc0 unregister failed: %d", result);
+        }
+    }
+    mBuffers.erase(handle);
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::retain(
+        const android::GraphicBuffer* graphicBuffer)
+{
+    ALOGV("retainGraphicBuffer(%p, %#" PRIx64 ")",
+            graphicBuffer->getNativeBuffer()->handle, graphicBuffer->getId());
+
+    buffer_handle_t handle = graphicBuffer->getNativeBuffer()->handle;
+    if (mBuffers.count(handle) != 0) {
+        mBuffers[handle]->retain();
+        return GRALLOC1_ERROR_NONE;
+    }
+
+    ALOGV("Calling registerBuffer(%p)", handle);
+    int result = mModule->registerBuffer(mModule, handle);
+    if (result != 0) {
+        ALOGE("gralloc0 register failed: %d", result);
+        return GRALLOC1_ERROR_NO_RESOURCES;
+    }
+
+    Descriptor descriptor{this, sNextBufferDescriptorId++};
+    descriptor.setDimensions(graphicBuffer->getWidth(),
+            graphicBuffer->getHeight());
+    descriptor.setFormat(graphicBuffer->getPixelFormat());
+    descriptor.setProducerUsage(
+            static_cast<gralloc1_producer_usage_t>(graphicBuffer->getUsage()));
+    descriptor.setConsumerUsage(
+            static_cast<gralloc1_consumer_usage_t>(graphicBuffer->getUsage()));
+    auto buffer = std::make_shared<Buffer>(handle,
+            static_cast<gralloc1_backing_store_t>(graphicBuffer->getId()),
+            descriptor, graphicBuffer->getStride(), false);
+    mBuffers.emplace(handle, std::move(buffer));
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lock(
+        const std::shared_ptr<Buffer>& buffer,
+        gralloc1_producer_usage_t producerUsage,
+        gralloc1_consumer_usage_t consumerUsage,
+        const gralloc1_rect_t& accessRegion, void** outData,
+        const sp<Fence>& acquireFence)
+{
+    if (mMinorVersion >= 3) {
+        int result = mModule->lockAsync(mModule, buffer->getHandle(),
+                static_cast<int32_t>(producerUsage | consumerUsage),
+                accessRegion.left, accessRegion.top, accessRegion.width,
+                accessRegion.height, outData, acquireFence->dup());
+        if (result != 0) {
+            return GRALLOC1_ERROR_UNSUPPORTED;
+        }
+    } else {
+        acquireFence->waitForever("Gralloc1On0Adapter::lock");
+        int result = mModule->lock(mModule, buffer->getHandle(),
+                static_cast<int32_t>(producerUsage | consumerUsage),
+                accessRegion.left, accessRegion.top, accessRegion.width,
+                accessRegion.height, outData);
+        ALOGV("gralloc0 lock returned %d", result);
+        if (result != 0) {
+            return GRALLOC1_ERROR_UNSUPPORTED;
+        }
+    }
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lockFlex(
+        const std::shared_ptr<Buffer>& /*buffer*/,
+        gralloc1_producer_usage_t /*producerUsage*/,
+        gralloc1_consumer_usage_t /*consumerUsage*/,
+        const gralloc1_rect_t& /*accessRegion*/,
+        struct android_flex_layout* /*outData*/,
+        const sp<Fence>& /*acquireFence*/)
+{
+    // TODO
+    return GRALLOC1_ERROR_UNSUPPORTED;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lockYCbCr(
+        const std::shared_ptr<Buffer>& buffer,
+        gralloc1_producer_usage_t producerUsage,
+        gralloc1_consumer_usage_t consumerUsage,
+        const gralloc1_rect_t& accessRegion, struct android_ycbcr* outData,
+        const sp<Fence>& acquireFence)
+{
+    if (mMinorVersion >= 3 && mModule->lockAsync_ycbcr) {
+        int result = mModule->lockAsync_ycbcr(mModule, buffer->getHandle(),
+                static_cast<int>(producerUsage | consumerUsage),
+                accessRegion.left, accessRegion.top, accessRegion.width,
+                accessRegion.height, outData, acquireFence->dup());
+        if (result != 0) {
+            return GRALLOC1_ERROR_UNSUPPORTED;
+        }
+    } else if (mModule->lock_ycbcr) {
+        acquireFence->waitForever("Gralloc1On0Adapter::lockYCbCr");
+        int result = mModule->lock_ycbcr(mModule, buffer->getHandle(),
+                static_cast<int>(producerUsage | consumerUsage),
+                accessRegion.left, accessRegion.top, accessRegion.width,
+                accessRegion.height, outData);
+        ALOGV("gralloc0 lockYCbCr returned %d", result);
+        if (result != 0) {
+            return GRALLOC1_ERROR_UNSUPPORTED;
+        }
+    } else {
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::unlock(
+        const std::shared_ptr<Buffer>& buffer,
+        sp<Fence>* outReleaseFence)
+{
+    if (mMinorVersion >= 3) {
+        int fenceFd = -1;
+        int result = mModule->unlockAsync(mModule, buffer->getHandle(),
+                &fenceFd);
+        if (result != 0) {
+            close(fenceFd);
+            ALOGE("gralloc0 unlockAsync failed: %d", result);
+        } else {
+            *outReleaseFence = new Fence(fenceFd);
+        }
+    } else {
+        int result = mModule->unlock(mModule, buffer->getHandle());
+        if (result != 0) {
+            ALOGE("gralloc0 unlock failed: %d", result);
+        }
+    }
+    return GRALLOC1_ERROR_NONE;
+}
+
+std::shared_ptr<Gralloc1On0Adapter::Descriptor>
+Gralloc1On0Adapter::getDescriptor(gralloc1_buffer_descriptor_t descriptorId)
+{
+    if (mDescriptors.count(descriptorId) == 0) {
+        return nullptr;
+    }
+
+    return mDescriptors[descriptorId];
+}
+
+std::shared_ptr<Gralloc1On0Adapter::Buffer> Gralloc1On0Adapter::getBuffer(
+        buffer_handle_t bufferHandle)
+{
+    if (mBuffers.count(bufferHandle) == 0) {
+        return nullptr;
+    }
+
+    return mBuffers[bufferHandle];
+}
+
+std::atomic<gralloc1_buffer_descriptor_t>
+        Gralloc1On0Adapter::sNextBufferDescriptorId(1);
+
+} // namespace android
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 4fe0946..f28af6e 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -169,8 +169,8 @@
 {
     GraphicBufferAllocator& allocator = GraphicBufferAllocator::get();
     uint32_t outStride = 0;
-    status_t err = allocator.alloc(inWidth, inHeight, inFormat, inUsage,
-            &handle, &outStride);
+    status_t err = allocator.allocate(inWidth, inHeight, inFormat, inUsage,
+            &handle, &outStride, mId);
     if (err == NO_ERROR) {
         width = static_cast<int>(inWidth);
         height = static_cast<int>(inHeight);
@@ -390,7 +390,7 @@
     mOwner = ownHandle;
 
     if (handle != 0) {
-        status_t err = mBufferMapper.registerBuffer(handle);
+        status_t err = mBufferMapper.registerBuffer(this);
         if (err != NO_ERROR) {
             width = height = stride = format = usage = 0;
             handle = NULL;
diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index 9b265af..3b83fb6 100644
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -25,6 +25,7 @@
 #include <utils/Trace.h>
 
 #include <ui/GraphicBufferAllocator.h>
+#include <ui/Gralloc1On0Adapter.h>
 
 namespace android {
 // ---------------------------------------------------------------------------
@@ -36,20 +37,10 @@
     GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
 
 GraphicBufferAllocator::GraphicBufferAllocator()
-    : mAllocDev(0)
-{
-    hw_module_t const* module;
-    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
-    ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
-    if (err == 0) {
-        gralloc_open(module, &mAllocDev);
-    }
-}
+  : mLoader(std::make_unique<Gralloc1::Loader>()),
+    mDevice(mLoader->getDevice()) {}
 
-GraphicBufferAllocator::~GraphicBufferAllocator()
-{
-    gralloc_close(mAllocDev);
-}
+GraphicBufferAllocator::~GraphicBufferAllocator() {}
 
 void GraphicBufferAllocator::dump(String8& result) const
 {
@@ -77,10 +68,8 @@
     }
     snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0f);
     result.append(buffer);
-    if (mAllocDev->common.version >= 1 && mAllocDev->dump) {
-        mAllocDev->dump(mAllocDev, buffer, SIZE);
-        result.append(buffer);
-    }
+    std::string deviceDump = mDevice->dump();
+    result.append(deviceDump.c_str(), deviceDump.size());
 }
 
 void GraphicBufferAllocator::dumpToSystemLog()
@@ -90,9 +79,9 @@
     ALOGD("%s", s.string());
 }
 
-status_t GraphicBufferAllocator::alloc(uint32_t width, uint32_t height,
+status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height,
         PixelFormat format, uint32_t usage, buffer_handle_t* handle,
-        uint32_t* stride)
+        uint32_t* stride, uint64_t graphicBufferId)
 {
     ATRACE_CALL();
 
@@ -101,22 +90,46 @@
     if (!width || !height)
         width = height = 1;
 
-    // we have a h/w allocator and h/w buffer is requested
-    status_t err;
-
     // Filter out any usage bits that should not be passed to the gralloc module
     usage &= GRALLOC_USAGE_ALLOC_MASK;
 
-    int outStride = 0;
-    err = mAllocDev->alloc(mAllocDev, static_cast<int>(width),
-            static_cast<int>(height), format, static_cast<int>(usage), handle,
-            &outStride);
-    *stride = static_cast<uint32_t>(outStride);
+    auto descriptor = mDevice->createDescriptor();
+    auto error = descriptor->setDimensions(width, height);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to set dimensions to (%u, %u): %d", width, height, error);
+        return BAD_VALUE;
+    }
+    error = descriptor->setFormat(static_cast<android_pixel_format_t>(format));
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to set format to %d: %d", format, error);
+        return BAD_VALUE;
+    }
+    error = descriptor->setProducerUsage(
+            static_cast<gralloc1_producer_usage_t>(usage));
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to set producer usage to %u: %d", usage, error);
+        return BAD_VALUE;
+    }
+    error = descriptor->setConsumerUsage(
+            static_cast<gralloc1_consumer_usage_t>(usage));
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to set consumer usage to %u: %d", usage, error);
+        return BAD_VALUE;
+    }
 
-    ALOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
-            width, height, format, usage, err, strerror(-err));
+    error = mDevice->allocate(descriptor, graphicBufferId, handle);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to allocate (%u x %u) format %d usage %u: %d",
+                width, height, format, usage, error);
+        return NO_MEMORY;
+    }
 
-    if (err == NO_ERROR) {
+    error = mDevice->getStride(*handle, stride);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGW("Failed to get stride from buffer: %d", error);
+    }
+
+    if (error == NO_ERROR) {
         Mutex::Autolock _l(sLock);
         KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
         uint32_t bpp = bytesPerPixel(format);
@@ -130,24 +143,23 @@
         list.add(*handle, rec);
     }
 
-    return err;
+    return NO_ERROR;
 }
 
 status_t GraphicBufferAllocator::free(buffer_handle_t handle)
 {
     ATRACE_CALL();
-    status_t err;
 
-    err = mAllocDev->free(mAllocDev, handle);
-
-    ALOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
-    if (err == NO_ERROR) {
-        Mutex::Autolock _l(sLock);
-        KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
-        list.removeItem(handle);
+    auto error = mDevice->release(handle);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("Failed to free buffer: %d", error);
     }
 
-    return err;
+    Mutex::Autolock _l(sLock);
+    KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+    list.removeItem(handle);
+
+    return NO_ERROR;
 }
 
 // ---------------------------------------------------------------------------
diff --git a/libs/ui/GraphicBufferMapper.cpp b/libs/ui/GraphicBufferMapper.cpp
index 90a1c11..481d43c 100644
--- a/libs/ui/GraphicBufferMapper.cpp
+++ b/libs/ui/GraphicBufferMapper.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "GraphicBufferMapper"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
+//#define LOG_NDEBUG 0
 
 #include <stdint.h>
 #include <errno.h>
@@ -31,11 +32,11 @@
 #include <utils/Log.h>
 #include <utils/Trace.h>
 
+#include <ui/Gralloc1On0Adapter.h>
 #include <ui/GraphicBufferMapper.h>
 #include <ui/Rect.h>
 
-#include <hardware/gralloc.h>
-
+#include <system/graphics.h>
 
 namespace android {
 // ---------------------------------------------------------------------------
@@ -43,151 +44,247 @@
 ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper )
 
 GraphicBufferMapper::GraphicBufferMapper()
-    : mAllocMod(0)
-{
-    hw_module_t const* module;
-    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
-    ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
-    if (err == 0) {
-        mAllocMod = reinterpret_cast<gralloc_module_t const *>(module);
-    }
-}
+  : mLoader(std::make_unique<Gralloc1::Loader>()),
+    mDevice(mLoader->getDevice()) {}
+
+
 
 status_t GraphicBufferMapper::registerBuffer(buffer_handle_t handle)
 {
     ATRACE_CALL();
-    status_t err;
 
-    err = mAllocMod->registerBuffer(mAllocMod, handle);
+    gralloc1_error_t error = mDevice->retain(handle);
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "registerBuffer(%p) failed: %d",
+            handle, error);
 
-    ALOGW_IF(err, "registerBuffer(%p) failed %d (%s)",
-            handle, err, strerror(-err));
-    return err;
+    return error;
+}
+
+status_t GraphicBufferMapper::registerBuffer(const GraphicBuffer* buffer)
+{
+    ATRACE_CALL();
+
+    gralloc1_error_t error = mDevice->retain(buffer);
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "registerBuffer(%p) failed: %d",
+            buffer->getNativeBuffer()->handle, error);
+
+    return error;
 }
 
 status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle)
 {
     ATRACE_CALL();
-    status_t err;
 
-    err = mAllocMod->unregisterBuffer(mAllocMod, handle);
+    gralloc1_error_t error = mDevice->release(handle);
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "unregisterBuffer(%p): failed %d",
+            handle, error);
 
-    ALOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)",
-            handle, err, strerror(-err));
-    return err;
+    return error;
 }
 
-status_t GraphicBufferMapper::lock(buffer_handle_t handle,
-        uint32_t usage, const Rect& bounds, void** vaddr)
-{
-    ATRACE_CALL();
-    status_t err;
-
-    err = mAllocMod->lock(mAllocMod, handle, static_cast<int>(usage),
-            bounds.left, bounds.top, bounds.width(), bounds.height(),
-            vaddr);
-
-    ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
-    return err;
+static inline gralloc1_rect_t asGralloc1Rect(const Rect& rect) {
+    gralloc1_rect_t outRect{};
+    outRect.left = rect.left;
+    outRect.top = rect.top;
+    outRect.width = rect.width();
+    outRect.height = rect.height();
+    return outRect;
 }
 
-status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle,
-        uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr)
+status_t GraphicBufferMapper::lock(buffer_handle_t handle, uint32_t usage,
+        const Rect& bounds, void** vaddr)
 {
-    ATRACE_CALL();
-    status_t err;
+    return lockAsync(handle, usage, bounds, vaddr, -1);
+}
 
-    if (mAllocMod->lock_ycbcr == NULL) {
-        return -EINVAL; // do not log failure
-    }
-
-    err = mAllocMod->lock_ycbcr(mAllocMod, handle, static_cast<int>(usage),
-            bounds.left, bounds.top, bounds.width(), bounds.height(),
-            ycbcr);
-
-    ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
-    return err;
+status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle, uint32_t usage,
+        const Rect& bounds, android_ycbcr *ycbcr)
+{
+    return lockAsyncYCbCr(handle, usage, bounds, ycbcr, -1);
 }
 
 status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
 {
-    ATRACE_CALL();
-    status_t err;
-
-    err = mAllocMod->unlock(mAllocMod, handle);
-
-    ALOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err));
-    return err;
+    int32_t fenceFd = -1;
+    status_t error = unlockAsync(handle, &fenceFd);
+    if (error == NO_ERROR) {
+        sync_wait(fenceFd, -1);
+        close(fenceFd);
+    }
+    return error;
 }
 
 status_t GraphicBufferMapper::lockAsync(buffer_handle_t handle,
         uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd)
 {
     ATRACE_CALL();
-    status_t err;
 
-    if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3) {
-        err = mAllocMod->lockAsync(mAllocMod, handle, static_cast<int>(usage),
-                bounds.left, bounds.top, bounds.width(), bounds.height(),
-                vaddr, fenceFd);
-    } else {
-        if (fenceFd >= 0) {
-            sync_wait(fenceFd, -1);
-            close(fenceFd);
-        }
-        err = mAllocMod->lock(mAllocMod, handle, static_cast<int>(usage),
-                bounds.left, bounds.top, bounds.width(), bounds.height(),
-                vaddr);
+    gralloc1_rect_t accessRegion = asGralloc1Rect(bounds);
+    sp<Fence> fence = new Fence(fenceFd);
+    gralloc1_error_t error = mDevice->lock(handle,
+            static_cast<gralloc1_producer_usage_t>(usage),
+            static_cast<gralloc1_consumer_usage_t>(usage),
+            &accessRegion, vaddr, fence);
+    ALOGW_IF(error != GRALLOC1_ERROR_NONE, "lock(%p, ...) failed: %d", handle,
+            error);
+
+    return error;
+}
+
+static inline bool isValidYCbCrPlane(const android_flex_plane_t& plane) {
+    if (plane.bits_per_component != 8) {
+        ALOGV("Invalid number of bits per component: %d",
+                plane.bits_per_component);
+        return false;
+    }
+    if (plane.bits_used != 8) {
+        ALOGV("Invalid number of bits used: %d", plane.bits_used);
+        return false;
     }
 
-    ALOGW_IF(err, "lockAsync(...) failed %d (%s)", err, strerror(-err));
-    return err;
+    bool hasValidIncrement = plane.h_increment == 1 ||
+            (plane.component != FLEX_COMPONENT_Y && plane.h_increment == 2);
+    hasValidIncrement = hasValidIncrement && plane.v_increment > 0;
+    if (!hasValidIncrement) {
+        ALOGV("Invalid increment: h %d v %d", plane.h_increment,
+                plane.v_increment);
+        return false;
+    }
+
+    return true;
 }
 
 status_t GraphicBufferMapper::lockAsyncYCbCr(buffer_handle_t handle,
         uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr, int fenceFd)
 {
     ATRACE_CALL();
-    status_t err;
 
-    if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3
-            && mAllocMod->lockAsync_ycbcr != NULL) {
-        err = mAllocMod->lockAsync_ycbcr(mAllocMod, handle,
-                static_cast<int>(usage), bounds.left, bounds.top,
-                bounds.width(), bounds.height(), ycbcr, fenceFd);
-    } else if (mAllocMod->lock_ycbcr != NULL) {
-        if (fenceFd >= 0) {
-            sync_wait(fenceFd, -1);
-            close(fenceFd);
-        }
-        err = mAllocMod->lock_ycbcr(mAllocMod, handle, static_cast<int>(usage),
-                bounds.left, bounds.top, bounds.width(), bounds.height(),
-                ycbcr);
-    } else {
-        if (fenceFd >= 0) {
-            close(fenceFd);
-        }
-        return -EINVAL; // do not log failure
+    gralloc1_rect_t accessRegion = asGralloc1Rect(bounds);
+    sp<Fence> fence = new Fence(fenceFd);
+
+    if (mDevice->hasCapability(GRALLOC1_CAPABILITY_ON_ADAPTER)) {
+        gralloc1_error_t error = mDevice->lockYCbCr(handle,
+                static_cast<gralloc1_producer_usage_t>(usage),
+                static_cast<gralloc1_consumer_usage_t>(usage),
+                &accessRegion, ycbcr, fence);
+        ALOGW_IF(error != GRALLOC1_ERROR_NONE, "lockYCbCr(%p, ...) failed: %d",
+                handle, error);
+        return error;
     }
 
-    ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
-    return err;
+    uint32_t numPlanes = 0;
+    gralloc1_error_t error = mDevice->getNumFlexPlanes(handle, &numPlanes);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGV("Failed to retrieve number of flex planes: %d", error);
+        return error;
+    }
+    if (numPlanes < 3) {
+        ALOGV("Not enough planes for YCbCr (%u found)", numPlanes);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    std::vector<android_flex_plane_t> planes(numPlanes);
+    android_flex_layout_t flexLayout{};
+    flexLayout.num_planes = numPlanes;
+    flexLayout.planes = planes.data();
+
+    error = mDevice->lockFlex(handle,
+            static_cast<gralloc1_producer_usage_t>(usage),
+            static_cast<gralloc1_consumer_usage_t>(usage),
+            &accessRegion, &flexLayout, fence);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGW("lockFlex(%p, ...) failed: %d", handle, error);
+        return error;
+    }
+    if (flexLayout.format != FLEX_FORMAT_YCbCr) {
+        ALOGV("Unable to convert flex-format buffer to YCbCr");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    // Find planes
+    auto yPlane = planes.cend();
+    auto cbPlane = planes.cend();
+    auto crPlane = planes.cend();
+    for (auto planeIter = planes.cbegin(); planeIter != planes.cend();
+            ++planeIter) {
+        if (planeIter->component == FLEX_COMPONENT_Y) {
+            yPlane = planeIter;
+        } else if (planeIter->component == FLEX_COMPONENT_Cb) {
+            cbPlane = planeIter;
+        } else if (planeIter->component == FLEX_COMPONENT_Cr) {
+            crPlane = planeIter;
+        }
+    }
+    if (yPlane == planes.cend()) {
+        ALOGV("Unable to find Y plane");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (cbPlane == planes.cend()) {
+        ALOGV("Unable to find Cb plane");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (crPlane == planes.cend()) {
+        ALOGV("Unable to find Cr plane");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    // Validate planes
+    if (!isValidYCbCrPlane(*yPlane)) {
+        ALOGV("Y plane is invalid");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (!isValidYCbCrPlane(*cbPlane)) {
+        ALOGV("Cb plane is invalid");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (!isValidYCbCrPlane(*crPlane)) {
+        ALOGV("Cr plane is invalid");
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (cbPlane->v_increment != crPlane->v_increment) {
+        ALOGV("Cb and Cr planes have different step (%d vs. %d)",
+                cbPlane->v_increment, crPlane->v_increment);
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+    if (cbPlane->h_increment != crPlane->h_increment) {
+        ALOGV("Cb and Cr planes have different stride (%d vs. %d)",
+                cbPlane->h_increment, crPlane->h_increment);
+        unlock(handle);
+        return GRALLOC1_ERROR_UNSUPPORTED;
+    }
+
+    // Pack plane data into android_ycbcr struct
+    ycbcr->y = yPlane->top_left;
+    ycbcr->cb = cbPlane->top_left;
+    ycbcr->cr = crPlane->top_left;
+    ycbcr->ystride = static_cast<size_t>(yPlane->v_increment);
+    ycbcr->cstride = static_cast<size_t>(cbPlane->v_increment);
+    ycbcr->chroma_step = static_cast<size_t>(cbPlane->h_increment);
+
+    return error;
 }
 
 status_t GraphicBufferMapper::unlockAsync(buffer_handle_t handle, int *fenceFd)
 {
     ATRACE_CALL();
-    status_t err;
 
-    if (mAllocMod->common.module_api_version >= GRALLOC_MODULE_API_VERSION_0_3) {
-        err = mAllocMod->unlockAsync(mAllocMod, handle, fenceFd);
-    } else {
-        *fenceFd = -1;
-        err = mAllocMod->unlock(mAllocMod, handle);
+    sp<Fence> fence = Fence::NO_FENCE;
+    gralloc1_error_t error = mDevice->unlock(handle, &fence);
+    if (error != GRALLOC1_ERROR_NONE) {
+        ALOGE("unlock(%p) failed: %d", handle, error);
+        return error;
     }
 
-    ALOGW_IF(err, "unlockAsync(...) failed %d (%s)", err, strerror(-err));
-    return err;
+    *fenceFd = fence->dup();
+    return error;
 }
 
 // ---------------------------------------------------------------------------
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 24394a9..e793852 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -1847,7 +1847,7 @@
         }
     } else if (red_size == 5 && green_size == 6 && blue_size == 5 &&
                alpha_size == 0) {
-        format == HAL_PIXEL_FORMAT_RGB_565;
+        format = HAL_PIXEL_FORMAT_RGB_565;
     } else {
         ALOGE("Invalid native pixel format { r=%d, g=%d, b=%d, a=%d }",
                 red_size, green_size, blue_size, alpha_size);
diff --git a/services/surfaceflinger/FenceTracker.cpp b/services/surfaceflinger/FenceTracker.cpp
index d415bd5..0e18a93 100644
--- a/services/surfaceflinger/FenceTracker.cpp
+++ b/services/surfaceflinger/FenceTracker.cpp
@@ -26,7 +26,9 @@
 FenceTracker::FenceTracker() :
         mFrameCounter(0),
         mOffset(0),
-        mFrames() {}
+        mFrames(),
+        mMutex() {
+}
 
 void FenceTracker::dump(String8* outString) {
     Mutex::Autolock lock(mMutex);
@@ -135,31 +137,30 @@
         nsecs_t postedTime;
         sp<Fence> acquireFence;
         sp<Fence> prevReleaseFence;
-        int32_t key = layers[i]->getSequence();
+        int32_t layerId = layers[i]->getSequence();
 
         layers[i]->getFenceData(&name, &frameNumber, &glesComposition,
                 &postedTime, &acquireFence, &prevReleaseFence);
 #ifdef USE_HWC2
         if (glesComposition) {
             frame.layers.emplace(std::piecewise_construct,
-                    std::forward_as_tuple(key),
+                    std::forward_as_tuple(layerId),
                     std::forward_as_tuple(name, frameNumber, glesComposition,
                     postedTime, 0, 0, acquireFence, prevReleaseFence));
             wasGlesCompositionDone = true;
         } else {
             frame.layers.emplace(std::piecewise_construct,
-                    std::forward_as_tuple(key),
+                    std::forward_as_tuple(layerId),
                     std::forward_as_tuple(name, frameNumber, glesComposition,
                     postedTime, 0, 0, acquireFence, Fence::NO_FENCE));
-
-            auto prevLayer = prevFrame.layers.find(key);
+            auto prevLayer = prevFrame.layers.find(layerId);
             if (prevLayer != prevFrame.layers.end()) {
                 prevLayer->second.releaseFence = prevReleaseFence;
             }
         }
 #else
         frame.layers.emplace(std::piecewise_construct,
-                std::forward_as_tuple(key),
+                std::forward_as_tuple(layerId),
                 std::forward_as_tuple(name, frameNumber, glesComposition,
                 postedTime, 0, 0, acquireFence,
                 glesComposition ? Fence::NO_FENCE : prevReleaseFence));
@@ -168,7 +169,7 @@
         }
 #endif
         frame.layers.emplace(std::piecewise_construct,
-                std::forward_as_tuple(key),
+                std::forward_as_tuple(layerId),
                 std::forward_as_tuple(name, frameNumber, glesComposition,
                 postedTime, 0, 0, acquireFence, prevReleaseFence));
     }
@@ -186,4 +187,33 @@
     mFrameCounter++;
 }
 
+bool FenceTracker::getFrameTimestamps(const Layer& layer,
+        uint64_t frameNumber, FrameTimestamps* outTimestamps) {
+    Mutex::Autolock lock(mMutex);
+    checkFencesForCompletion();
+    int32_t layerId = layer.getSequence();
+
+    size_t i = 0;
+    for (; i < MAX_FRAME_HISTORY; i++) {
+       if (mFrames[i].layers.count(layerId) &&
+               mFrames[i].layers[layerId].frameNumber == frameNumber) {
+           break;
+       }
+    }
+    if (i == MAX_FRAME_HISTORY) {
+        return false;
+    }
+
+    const FrameRecord& frameRecord = mFrames[i];
+    const LayerRecord& layerRecord = mFrames[i].layers[layerId];
+    outTimestamps->frameNumber = frameNumber;
+    outTimestamps->postedTime = layerRecord.postedTime;
+    outTimestamps->acquireTime = layerRecord.acquireTime;
+    outTimestamps->refreshStartTime = frameRecord.refreshStartTime;
+    outTimestamps->glCompositionDoneTime = frameRecord.glesCompositionDoneTime;
+    outTimestamps->displayRetireTime = frameRecord.retireTime;
+    outTimestamps->releaseTime = layerRecord.releaseTime;
+    return true;
+}
+
 } // namespace android
diff --git a/services/surfaceflinger/FenceTracker.h b/services/surfaceflinger/FenceTracker.h
index 2fcc314..4cb14a5 100644
--- a/services/surfaceflinger/FenceTracker.h
+++ b/services/surfaceflinger/FenceTracker.h
@@ -29,7 +29,7 @@
 namespace android {
 
 class Layer;
-
+struct FrameTimestamps;
 /*
  * Keeps a circular buffer of fence/timestamp data for the last N frames in
  * SurfaceFlinger. Gets timestamps for fences after they have signaled.
@@ -40,6 +40,8 @@
      void dump(String8* outString);
      void addFrame(nsecs_t refreshStartTime, sp<Fence> retireFence,
              const Vector<sp<Layer>>& layers, sp<Fence> glDoneFence);
+     bool getFrameTimestamps(const Layer& layer, uint64_t frameNumber,
+             FrameTimestamps* outTimestamps);
 
 protected:
      static constexpr size_t MAX_FRAME_HISTORY = 8;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index ada1649..1554d70 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -155,7 +155,8 @@
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
     mProducer = new MonitoredProducer(producer, mFlinger);
-    mSurfaceFlingerConsumer = new SurfaceFlingerConsumer(consumer, mTextureName);
+    mSurfaceFlingerConsumer = new SurfaceFlingerConsumer(consumer, mTextureName,
+            this);
     mSurfaceFlingerConsumer->setConsumerUsageBits(getEffectiveUsage(0));
     mSurfaceFlingerConsumer->setContentsChangedListener(this);
     mSurfaceFlingerConsumer->setName(mName);
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index dbff834..4257c37 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -409,6 +409,11 @@
 
     std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush);
 
+    bool getFrameTimestamps(uint64_t frameNumber,
+            FrameTimestamps* outTimestamps) const {
+        return mFlinger->getFrameTimestamps(*this, frameNumber, outTimestamps);
+    }
+
 protected:
     // constant
     sp<SurfaceFlinger> mFlinger;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 481d7e3..7ce7777 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3609,6 +3609,11 @@
     }
 }
 
+bool SurfaceFlinger::getFrameTimestamps(const Layer& layer,
+        uint64_t frameNumber, FrameTimestamps* outTimestamps) {
+    return mFenceTracker.getFrameTimestamps(layer, frameNumber, outTimestamps);
+}
+
 // ---------------------------------------------------------------------------
 
 SurfaceFlinger::LayerVector::LayerVector() {
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 8263994..28666e2 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -440,6 +440,9 @@
             std::vector<OccupancyTracker::Segment>&& history);
     void dumpBufferingStats(String8& result) const;
 
+    bool getFrameTimestamps(const Layer& layer, uint64_t frameNumber,
+            FrameTimestamps* outTimestamps);
+
     /* ------------------------------------------------------------------------
      * Attributes
      */
diff --git a/services/surfaceflinger/SurfaceFlingerConsumer.cpp b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
index c71b3bc..ba0a527 100644
--- a/services/surfaceflinger/SurfaceFlingerConsumer.cpp
+++ b/services/surfaceflinger/SurfaceFlingerConsumer.cpp
@@ -18,6 +18,7 @@
 //#define LOG_NDEBUG 0
 
 #include "SurfaceFlingerConsumer.h"
+#include "Layer.h"
 
 #include <private/gui/SyncFeatures.h>
 
@@ -251,6 +252,12 @@
     }
 }
 
+bool SurfaceFlingerConsumer::getFrameTimestamps(uint64_t frameNumber,
+        FrameTimestamps* outTimestamps) const {
+    sp<const Layer> l = mLayer.promote();
+    return l.get() ? l->getFrameTimestamps(frameNumber, outTimestamps) : false;
+}
+
 // ---------------------------------------------------------------------------
 }; // namespace android
 
diff --git a/services/surfaceflinger/SurfaceFlingerConsumer.h b/services/surfaceflinger/SurfaceFlingerConsumer.h
index 51b002f..3762659 100644
--- a/services/surfaceflinger/SurfaceFlingerConsumer.h
+++ b/services/surfaceflinger/SurfaceFlingerConsumer.h
@@ -23,6 +23,8 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
+class Layer;
+
 /*
  * This is a thin wrapper around GLConsumer.
  */
@@ -35,10 +37,10 @@
     };
 
     SurfaceFlingerConsumer(const sp<IGraphicBufferConsumer>& consumer,
-            uint32_t tex)
+            uint32_t tex, const Layer* layer)
         : GLConsumer(consumer, tex, GLConsumer::TEXTURE_EXTERNAL, false, false),
           mTransformToDisplayInverse(false), mSurfaceDamage(),
-          mPrevReleaseFence(Fence::NO_FENCE)
+          mPrevReleaseFence(Fence::NO_FENCE), mLayer(layer)
     {}
 
     class BufferRejecter {
@@ -82,6 +84,9 @@
     void releasePendingBuffer();
 #endif
 
+    virtual bool getFrameTimestamps(uint64_t frameNumber,
+            FrameTimestamps* outTimestamps) const override;
+
 private:
     virtual void onSidebandStreamChanged();
 
@@ -103,6 +108,9 @@
 
     // The release fence of the already displayed buffer (previous frame).
     sp<Fence> mPrevReleaseFence;
+
+    // The layer for this SurfaceFlingerConsumer
+    wp<const Layer> mLayer;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 21955d5..b49f8af 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -3596,6 +3596,11 @@
     return result;
 }
 
+bool SurfaceFlinger::getFrameTimestamps(const Layer& layer,
+        uint64_t frameNumber, FrameTimestamps* outTimestamps) {
+    return mFenceTracker.getFrameTimestamps(layer, frameNumber, outTimestamps);
+}
+
 void SurfaceFlinger::checkScreenshot(size_t w, size_t s, size_t h, void const* vaddr,
         const sp<const DisplayDevice>& hw, uint32_t minLayerZ, uint32_t maxLayerZ) {
     if (DEBUG_SCREENSHOTS) {