diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index b3d628c..c41edf5 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1135,7 +1135,7 @@
     RunCommand("VOLD DUMP", {"vdc", "dump"});
     RunCommand("SECURE CONTAINERS", {"vdc", "asec", "list"});
 
-    RunCommand("STORAGED TASKIOINFO", {"storaged", "-u"}, CommandOptions::WithTimeout(10).Build());
+    RunCommand("STORAGED UID IO INFO", {"storaged", "-u"});
 
     RunCommand("FILESYSTEMS & FREE SPACE", {"df"});
 
@@ -1850,6 +1850,9 @@
         RunCommand("DETAILED SOCKET STATE", {"ss", "-eionptu"},
                    CommandOptions::WithTimeout(10).Build());
 
+        // Run iotop as root to show top 100 IO threads
+        RunCommand("IOTOP", {"iotop", "-n", "1", "-m", "100"});
+
         if (!DropRootUser()) {
             return -1;
         }
diff --git a/cmds/dumpsys/dumpsys.cpp b/cmds/dumpsys/dumpsys.cpp
index 3227749..8fe246b 100644
--- a/cmds/dumpsys/dumpsys.cpp
+++ b/cmds/dumpsys/dumpsys.cpp
@@ -53,13 +53,16 @@
 
 static void usage() {
     fprintf(stderr,
-        "usage: dumpsys\n"
+            "usage: dumpsys\n"
             "         To dump all services.\n"
             "or:\n"
-            "       dumpsys [-t TIMEOUT] [--help | -l | --skip SERVICES | SERVICE [ARGS]]\n"
+            "       dumpsys [-t TIMEOUT] [--priority LEVEL] [--help | -l | --skip SERVICES | "
+            "SERVICE [ARGS]]\n"
             "         --help: shows this help\n"
             "         -l: only list services, do not dump them\n"
             "         -t TIMEOUT: TIMEOUT to use in seconds instead of default 10 seconds\n"
+            "         --priority LEVEL: filter services based on specified priority\n"
+            "               LEVEL must be one of CRITICAL | HIGH | NORMAL\n"
             "         --skip SERVICES: dumps all services but SERVICES (comma-separated list)\n"
             "         SERVICE [ARGS]: dumps only service SERVICE, optionally passing ARGS to it\n");
 }
@@ -80,11 +83,11 @@
     bool showListOnly = false;
     bool skipServices = false;
     int timeoutArg = 10;
-    static struct option longOptions[] = {
-        {"skip", no_argument, 0,  0 },
-        {"help", no_argument, 0,  0 },
-        {     0,           0, 0,  0 }
-    };
+    int dumpPriority = IServiceManager::DUMP_PRIORITY_ALL;
+    static struct option longOptions[] = {{"priority", required_argument, 0, 0},
+                                          {"skip", no_argument, 0, 0},
+                                          {"help", no_argument, 0, 0},
+                                          {0, 0, 0, 0}};
 
     // Must reset optind, otherwise subsequent calls will fail (wouldn't happen on main.cpp, but
     // happens on test cases).
@@ -106,6 +109,18 @@
             } else if (!strcmp(longOptions[optionIndex].name, "help")) {
                 usage();
                 return 0;
+            } else if (!strcmp(longOptions[optionIndex].name, "priority")) {
+                if (!strcmp(optarg, "CRITICAL")) {
+                    dumpPriority = IServiceManager::DUMP_PRIORITY_CRITICAL;
+                } else if (!strcmp(optarg, "HIGH")) {
+                    dumpPriority = IServiceManager::DUMP_PRIORITY_HIGH;
+                } else if (!strcmp(optarg, "NORMAL")) {
+                    dumpPriority = IServiceManager::DUMP_PRIORITY_NORMAL;
+                } else {
+                    fprintf(stderr, "\n");
+                    usage();
+                    return -1;
+                }
             }
             break;
 
@@ -151,7 +166,7 @@
 
     if (services.empty() || showListOnly) {
         // gets all services
-        services = sm_->listServices();
+        services = sm_->listServices(dumpPriority);
         services.sort(sort_func);
         args.add(String16("-a"));
     }
diff --git a/cmds/dumpsys/tests/dumpsys_test.cpp b/cmds/dumpsys/tests/dumpsys_test.cpp
index 16fefe6..9fe4572 100644
--- a/cmds/dumpsys/tests/dumpsys_test.cpp
+++ b/cmds/dumpsys/tests/dumpsys_test.cpp
@@ -50,8 +50,8 @@
   public:
     MOCK_CONST_METHOD1(getService, sp<IBinder>(const String16&));
     MOCK_CONST_METHOD1(checkService, sp<IBinder>(const String16&));
-    MOCK_METHOD3(addService, status_t(const String16&, const sp<IBinder>&, bool));
-    MOCK_METHOD0(listServices, Vector<String16>());
+    MOCK_METHOD4(addService, status_t(const String16&, const sp<IBinder>&, bool, int));
+    MOCK_METHOD1(listServices, Vector<String16>(int));
 
   protected:
     MOCK_METHOD0(onAsBinder, IBinder*());
@@ -131,7 +131,16 @@
         for (auto& service : services) {
             services16.add(String16(service.c_str()));
         }
-        EXPECT_CALL(sm_, listServices()).WillRepeatedly(Return(services16));
+        EXPECT_CALL(sm_, listServices(IServiceManager::DUMP_PRIORITY_ALL))
+            .WillRepeatedly(Return(services16));
+    }
+
+    void ExpectListServicesWithPriority(std::vector<std::string> services, int dumpPriority) {
+        Vector<String16> services16;
+        for (auto& service : services) {
+            services16.add(String16(service.c_str()));
+        }
+        EXPECT_CALL(sm_, listServices(dumpPriority)).WillRepeatedly(Return(services16));
     }
 
     sp<BinderMock> ExpectCheckService(const char* name, bool running = true) {
@@ -179,7 +188,10 @@
     }
 
     void AssertRunningServices(const std::vector<std::string>& services) {
-        std::string expected("Currently running services:\n");
+        std::string expected;
+        if (services.size() > 1) {
+            expected.append("Currently running services:\n");
+        }
         for (const std::string& service : services) {
             expected.append("  ").append(service).append("\n");
         }
@@ -236,6 +248,26 @@
     AssertNotDumped({"Valet"});
 }
 
+// Tests 'dumpsys -l --priority HIGH'
+TEST_F(DumpsysTest, ListAllServicesWithPriority) {
+    ExpectListServicesWithPriority({"Locksmith", "Valet"}, IServiceManager::DUMP_PRIORITY_HIGH);
+    ExpectCheckService("Locksmith");
+    ExpectCheckService("Valet");
+
+    CallMain({"-l", "--priority", "HIGH"});
+
+    AssertRunningServices({"Locksmith", "Valet"});
+}
+
+// Tests 'dumpsys -l --priority HIGH' with and empty list
+TEST_F(DumpsysTest, ListEmptyServicesWithPriority) {
+    ExpectListServicesWithPriority({}, IServiceManager::DUMP_PRIORITY_HIGH);
+
+    CallMain({"-l", "--priority", "HIGH"});
+
+    AssertRunningServices({});
+}
+
 // Tests 'dumpsys service_name' on a service is running
 TEST_F(DumpsysTest, DumpRunningService) {
     ExpectDump("Valet", "Here's your car");
@@ -300,3 +332,65 @@
     AssertNotDumped("dump3");
     AssertNotDumped("dump5");
 }
+
+// Tests 'dumpsys --skip skipped3 skipped5 --priority CRITICAL', which should skip these services
+TEST_F(DumpsysTest, DumpWithSkipAndPriority) {
+    ExpectListServicesWithPriority({"running1", "stopped2", "skipped3", "running4", "skipped5"},
+                                   IServiceManager::DUMP_PRIORITY_CRITICAL);
+    ExpectDump("running1", "dump1");
+    ExpectCheckService("stopped2", false);
+    ExpectDump("skipped3", "dump3");
+    ExpectDump("running4", "dump4");
+    ExpectDump("skipped5", "dump5");
+
+    CallMain({"--priority", "CRITICAL", "--skip", "skipped3", "skipped5"});
+
+    AssertRunningServices({"running1", "running4", "skipped3 (skipped)", "skipped5 (skipped)"});
+    AssertDumped("running1", "dump1");
+    AssertDumped("running4", "dump4");
+    AssertStopped("stopped2");
+    AssertNotDumped("dump3");
+    AssertNotDumped("dump5");
+}
+
+// Tests 'dumpsys --priority CRITICAL'
+TEST_F(DumpsysTest, DumpWithPriorityCritical) {
+    ExpectListServicesWithPriority({"runningcritical1", "runningcritical2"},
+                                   IServiceManager::DUMP_PRIORITY_CRITICAL);
+    ExpectDump("runningcritical1", "dump1");
+    ExpectDump("runningcritical2", "dump2");
+
+    CallMain({"--priority", "CRITICAL"});
+
+    AssertRunningServices({"runningcritical1", "runningcritical2"});
+    AssertDumped("runningcritical1", "dump1");
+    AssertDumped("runningcritical2", "dump2");
+}
+
+// Tests 'dumpsys --priority HIGH'
+TEST_F(DumpsysTest, DumpWithPriorityHigh) {
+    ExpectListServicesWithPriority({"runninghigh1", "runninghigh2"},
+                                   IServiceManager::DUMP_PRIORITY_HIGH);
+    ExpectDump("runninghigh1", "dump1");
+    ExpectDump("runninghigh2", "dump2");
+
+    CallMain({"--priority", "HIGH"});
+
+    AssertRunningServices({"runninghigh1", "runninghigh2"});
+    AssertDumped("runninghigh1", "dump1");
+    AssertDumped("runninghigh2", "dump2");
+}
+
+// Tests 'dumpsys --priority NORMAL'
+TEST_F(DumpsysTest, DumpWithPriorityNormal) {
+    ExpectListServicesWithPriority({"runningnormal1", "runningnormal2"},
+                                   IServiceManager::DUMP_PRIORITY_NORMAL);
+    ExpectDump("runningnormal1", "dump1");
+    ExpectDump("runningnormal2", "dump2");
+
+    CallMain({"--priority", "NORMAL"});
+
+    AssertRunningServices({"runningnormal1", "runningnormal2"});
+    AssertDumped("runningnormal1", "dump1");
+    AssertDumped("runningnormal2", "dump2");
+}
diff --git a/cmds/installd/Android.bp b/cmds/installd/Android.bp
index 33db6db..56470d6 100644
--- a/cmds/installd/Android.bp
+++ b/cmds/installd/Android.bp
@@ -4,6 +4,7 @@
     cflags: [
         "-Wall",
         "-Werror",
+        "-Wextra",
     ],
     srcs: [
         "CacheItem.cpp",
@@ -25,6 +26,17 @@
     ],
 
     clang: true,
+
+    tidy: true,
+    tidy_checks: [
+        "-*",
+        "clang-analyzer-security*",
+        "cert-*",
+        "-cert-err58-cpp",
+    ],
+    tidy_flags: [
+        "-warnings-as-errors=clang-analyzer-security*,cert-*"
+    ],
 }
 
 //
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index af7455a..a72be59 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -711,6 +711,9 @@
                     // Ignore all other GID transitions, since they're kinda shady
                     LOG(WARNING) << "Ignoring " << p->fts_path << " with unexpected GID " << actual
                             << " instead of " << expected;
+                    if (!(flags & FLAG_FORCE)) {
+                        fts_set(fts, p, FTS_SKIP);
+                    }
                 }
             }
         }
@@ -1863,7 +1866,7 @@
     char boot_marker_path[PKG_PATH_MAX];
     sprintf(boot_marker_path,
           "%s/%s/%s/.booting",
-          android_data_dir.path,
+          android_data_dir.c_str(),
           DALVIK_CACHE,
           instruction_set);
 
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 6f7ab6b..6a7d845 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -41,6 +41,7 @@
 #include <system/thread_defs.h>
 
 #include "dexopt.h"
+#include "globals.h"
 #include "installd_deps.h"
 #include "otapreopt_utils.h"
 #include "utils.h"
@@ -156,7 +157,7 @@
   int count = 0;
   char buf[kPropertyValueMax];
 
-  strncpy(buf, str, sizeof(buf));
+  strlcpy(buf, str, sizeof(buf));
   char *pBuf = buf;
 
   while(strtok_r(pBuf, " ", &ctx) != NULL) {
@@ -333,7 +334,8 @@
 
     bool have_dex2oat_compiler_filter_flag = false;
     if (skip_compilation) {
-        strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=extract");
+        strlcpy(dex2oat_compiler_filter_arg, "--compiler-filter=extract",
+                sizeof(dex2oat_compiler_filter_arg));
         have_dex2oat_compiler_filter_flag = true;
         have_dex2oat_relocation_skip_flag = true;
     } else if (compiler_filter != nullptr) {
@@ -955,14 +957,6 @@
     return replace_file_extension(oat_path, ".vdex");
 }
 
-static bool add_extension_to_file_name(char* file_name, const char* extension) {
-    if (strlen(file_name) + strlen(extension) + 1 > PKG_PATH_MAX) {
-        return false;
-    }
-    strcat(file_name, extension);
-    return true;
-}
-
 static int open_output_file(const char* file_name, bool recreate, int permissions) {
     int flags = O_RDWR | O_CREAT;
     if (recreate) {
@@ -1198,21 +1192,16 @@
     if (!ShouldUseSwapFileForDexopt()) {
         return invalid_unique_fd();
     }
-    // Make sure there really is enough space.
-    char swap_file_name[PKG_PATH_MAX];
-    strcpy(swap_file_name, out_oat_path);
-    if (!add_extension_to_file_name(swap_file_name, ".swap")) {
-        return invalid_unique_fd();
-    }
+    auto swap_file_name = std::string(out_oat_path) + ".swap";
     unique_fd swap_fd(open_output_file(
-            swap_file_name, /*recreate*/true, /*permissions*/0600));
+            swap_file_name.c_str(), /*recreate*/true, /*permissions*/0600));
     if (swap_fd.get() < 0) {
         // Could not create swap file. Optimistically go on and hope that we can compile
         // without it.
-        ALOGE("installd could not create '%s' for swap during dexopt\n", swap_file_name);
+        ALOGE("installd could not create '%s' for swap during dexopt\n", swap_file_name.c_str());
     } else {
         // Immediately unlink. We don't really want to hit flash.
-        if (unlink(swap_file_name) < 0) {
+        if (unlink(swap_file_name.c_str()) < 0) {
             PLOG(ERROR) << "Couldn't unlink swap file " << swap_file_name;
         }
     }
@@ -2040,5 +2029,98 @@
     return return_value_oat && return_value_art && return_value_vdex;
 }
 
+static bool is_absolute_path(const std::string& path) {
+    if (path.find('/') != 0 || path.find("..") != std::string::npos) {
+        LOG(ERROR) << "Invalid absolute path " << path;
+        return false;
+    } else {
+        return true;
+    }
+}
+
+static bool is_valid_instruction_set(const std::string& instruction_set) {
+    // TODO: add explicit whitelisting of instruction sets
+    if (instruction_set.find('/') != std::string::npos) {
+        LOG(ERROR) << "Invalid instruction set " << instruction_set;
+        return false;
+    } else {
+        return true;
+    }
+}
+
+bool calculate_oat_file_path_default(char path[PKG_PATH_MAX], const char *oat_dir,
+        const char *apk_path, const char *instruction_set) {
+    std::string oat_dir_ = oat_dir;
+    std::string apk_path_ = apk_path;
+    std::string instruction_set_ = instruction_set;
+
+    if (!is_absolute_path(oat_dir_)) return false;
+    if (!is_absolute_path(apk_path_)) return false;
+    if (!is_valid_instruction_set(instruction_set_)) return false;
+
+    std::string::size_type end = apk_path_.rfind('.');
+    std::string::size_type start = apk_path_.rfind('/', end);
+    if (end == std::string::npos || start == std::string::npos) {
+        LOG(ERROR) << "Invalid apk_path " << apk_path_;
+        return false;
+    }
+
+    std::string res_ = oat_dir_ + '/' + instruction_set + '/'
+            + apk_path_.substr(start + 1, end - start - 1) + ".odex";
+    const char* res = res_.c_str();
+    if (strlen(res) >= PKG_PATH_MAX) {
+        LOG(ERROR) << "Result too large";
+        return false;
+    } else {
+        strlcpy(path, res, PKG_PATH_MAX);
+        return true;
+    }
+}
+
+bool calculate_odex_file_path_default(char path[PKG_PATH_MAX], const char *apk_path,
+        const char *instruction_set) {
+    std::string apk_path_ = apk_path;
+    std::string instruction_set_ = instruction_set;
+
+    if (!is_absolute_path(apk_path_)) return false;
+    if (!is_valid_instruction_set(instruction_set_)) return false;
+
+    std::string::size_type end = apk_path_.rfind('.');
+    std::string::size_type start = apk_path_.rfind('/', end);
+    if (end == std::string::npos || start == std::string::npos) {
+        LOG(ERROR) << "Invalid apk_path " << apk_path_;
+        return false;
+    }
+
+    std::string oat_dir = apk_path_.substr(0, start + 1) + "oat";
+    return calculate_oat_file_path_default(path, oat_dir.c_str(), apk_path, instruction_set);
+}
+
+bool create_cache_path_default(char path[PKG_PATH_MAX], const char *src,
+        const char *instruction_set) {
+    std::string src_ = src;
+    std::string instruction_set_ = instruction_set;
+
+    if (!is_absolute_path(src_)) return false;
+    if (!is_valid_instruction_set(instruction_set_)) return false;
+
+    for (auto it = src_.begin() + 1; it < src_.end(); ++it) {
+        if (*it == '/') {
+            *it = '@';
+        }
+    }
+
+    std::string res_ = android_data_dir + DALVIK_CACHE + '/' + instruction_set_ + src_
+            + DALVIK_CACHE_POSTFIX;
+    const char* res = res_.c_str();
+    if (strlen(res) >= PKG_PATH_MAX) {
+        LOG(ERROR) << "Result too large";
+        return false;
+    } else {
+        strlcpy(path, res, PKG_PATH_MAX);
+        return true;
+    }
+}
+
 }  // namespace installd
 }  // namespace android
diff --git a/cmds/installd/dexopt.h b/cmds/installd/dexopt.h
index 23446da..1f41e67 100644
--- a/cmds/installd/dexopt.h
+++ b/cmds/installd/dexopt.h
@@ -17,6 +17,8 @@
 #ifndef DEXOPT_H_
 #define DEXOPT_H_
 
+#include "installd_constants.h"
+
 #include <sys/types.h>
 
 #include <cutils/multiuser.h>
@@ -66,6 +68,15 @@
         const char* volume_uuid, const char* class_loader_context, const char* se_info,
         bool downgrade);
 
+bool calculate_oat_file_path_default(char path[PKG_PATH_MAX], const char *oat_dir,
+        const char *apk_path, const char *instruction_set);
+
+bool calculate_odex_file_path_default(char path[PKG_PATH_MAX], const char *apk_path,
+        const char *instruction_set);
+
+bool create_cache_path_default(char path[PKG_PATH_MAX], const char *src,
+        const char *instruction_set);
+
 }  // namespace installd
 }  // namespace android
 
diff --git a/cmds/installd/globals.cpp b/cmds/installd/globals.cpp
index edcdb6a..b3a6daf 100644
--- a/cmds/installd/globals.cpp
+++ b/cmds/installd/globals.cpp
@@ -16,15 +16,15 @@
 
 #define LOG_TAG "installd"
 
-#include <stdlib.h>
-#include <string.h>
-
-#include <log/log.h>              // TODO: Move everything to base::logging.
-
 #include <globals.h>
 #include <installd_constants.h>
 #include <utils.h>
 
+#include <android-base/logging.h>
+
+#include <stdlib.h>
+#include <string.h>
+
 namespace android {
 namespace installd {
 
@@ -44,106 +44,78 @@
 static constexpr const char* PRIVATE_APP_SUBDIR = "app-private/"; // sub-directory under
                                                                   // ANDROID_DATA
 
-/* Directory records that are used in execution of commands. */
-dir_rec_t android_app_dir;
-dir_rec_t android_app_ephemeral_dir;
-dir_rec_t android_app_lib_dir;
-dir_rec_t android_app_private_dir;
-dir_rec_t android_asec_dir;
-dir_rec_t android_data_dir;
-dir_rec_t android_media_dir;
-dir_rec_t android_mnt_expand_dir;
-dir_rec_t android_profiles_dir;
+std::string android_app_dir;
+std::string android_app_ephemeral_dir;
+std::string android_app_lib_dir;
+std::string android_app_private_dir;
+std::string android_asec_dir;
+std::string android_data_dir;
+std::string android_media_dir;
+std::string android_mnt_expand_dir;
+std::string android_profiles_dir;
+std::string android_root_dir;
 
-dir_rec_array_t android_system_dirs;
+std::vector<std::string> android_system_dirs;
 
-/**
- * Initialize all the global variables that are used elsewhere. Returns 0 upon
- * success and -1 on error.
- */
-void free_globals() {
-    size_t i;
-
-    for (i = 0; i < android_system_dirs.count; i++) {
-        if (android_system_dirs.dirs[i].path != NULL) {
-            free(android_system_dirs.dirs[i].path);
-        }
+bool init_globals_from_data_and_root() {
+    const char* data_path = getenv("ANDROID_DATA");
+    if (data_path == nullptr) {
+        LOG(ERROR) << "Could not find ANDROID_DATA";
+        return false;
     }
+    const char* root_path = getenv("ANDROID_ROOT");
+    if (root_path == nullptr) {
+        LOG(ERROR) << "Could not find ANDROID_ROOT";
+        return false;
+    }
+    return init_globals_from_data_and_root(data_path, root_path);
+}
 
-    free(android_system_dirs.dirs);
+static std::string ensure_trailing_slash(const std::string& path) {
+    if (path.rfind('/') != path.size() - 1) {
+        return path + '/';
+    } else {
+        return path;
+    }
 }
 
 bool init_globals_from_data_and_root(const char* data, const char* root) {
     // Get the android data directory.
-    if (get_path_from_string(&android_data_dir, data) < 0) {
-        return false;
-    }
+    android_data_dir = ensure_trailing_slash(data);
+
+    // Get the android root directory.
+    android_root_dir = ensure_trailing_slash(root);
 
     // Get the android app directory.
-    if (copy_and_append(&android_app_dir, &android_data_dir, APP_SUBDIR) < 0) {
-        return false;
-    }
+    android_app_dir = android_data_dir + APP_SUBDIR;
 
     // Get the android protected app directory.
-    if (copy_and_append(&android_app_private_dir, &android_data_dir, PRIVATE_APP_SUBDIR) < 0) {
-        return false;
-    }
+    android_app_private_dir = android_data_dir + PRIVATE_APP_SUBDIR;
 
     // Get the android ephemeral app directory.
-    if (copy_and_append(&android_app_ephemeral_dir, &android_data_dir, EPHEMERAL_APP_SUBDIR) < 0) {
-        return false;
-    }
+    android_app_ephemeral_dir = android_data_dir + EPHEMERAL_APP_SUBDIR;
 
     // Get the android app native library directory.
-    if (copy_and_append(&android_app_lib_dir, &android_data_dir, APP_LIB_SUBDIR) < 0) {
-        return false;
-    }
+    android_app_lib_dir = android_data_dir + APP_LIB_SUBDIR;
 
     // Get the sd-card ASEC mount point.
-    if (get_path_from_env(&android_asec_dir, ASEC_MOUNTPOINT_ENV_NAME) < 0) {
-        return false;
-    }
+    android_asec_dir = ensure_trailing_slash(getenv(ASEC_MOUNTPOINT_ENV_NAME));
 
     // Get the android media directory.
-    if (copy_and_append(&android_media_dir, &android_data_dir, MEDIA_SUBDIR) < 0) {
-        return false;
-    }
+    android_media_dir = android_data_dir + MEDIA_SUBDIR;
 
     // Get the android external app directory.
-    if (get_path_from_string(&android_mnt_expand_dir, "/mnt/expand/") < 0) {
-        return false;
-    }
+    android_mnt_expand_dir = "/mnt/expand/";
 
     // Get the android profiles directory.
-    if (copy_and_append(&android_profiles_dir, &android_data_dir, PROFILES_SUBDIR) < 0) {
-        return false;
-    }
+    android_profiles_dir = android_data_dir + PROFILES_SUBDIR;
 
     // Take note of the system and vendor directories.
-    android_system_dirs.count = 4;
-
-    android_system_dirs.dirs = (dir_rec_t*) calloc(android_system_dirs.count, sizeof(dir_rec_t));
-    if (android_system_dirs.dirs == NULL) {
-        ALOGE("Couldn't allocate array for dirs; aborting\n");
-        return false;
-    }
-
-    dir_rec_t android_root_dir;
-    if (get_path_from_string(&android_root_dir, root) < 0) {
-        return false;
-    }
-
-    android_system_dirs.dirs[0].path = build_string2(android_root_dir.path, APP_SUBDIR);
-    android_system_dirs.dirs[0].len = strlen(android_system_dirs.dirs[0].path);
-
-    android_system_dirs.dirs[1].path = build_string2(android_root_dir.path, PRIV_APP_SUBDIR);
-    android_system_dirs.dirs[1].len = strlen(android_system_dirs.dirs[1].path);
-
-    android_system_dirs.dirs[2].path = strdup("/vendor/app/");
-    android_system_dirs.dirs[2].len = strlen(android_system_dirs.dirs[2].path);
-
-    android_system_dirs.dirs[3].path = strdup("/oem/app/");
-    android_system_dirs.dirs[3].len = strlen(android_system_dirs.dirs[3].path);
+    android_system_dirs.clear();
+    android_system_dirs.push_back(android_root_dir + APP_SUBDIR);
+    android_system_dirs.push_back(android_root_dir + PRIV_APP_SUBDIR);
+    android_system_dirs.push_back("/vendor/app/");
+    android_system_dirs.push_back("/oem/app/");
 
     return true;
 }
diff --git a/cmds/installd/globals.h b/cmds/installd/globals.h
index c90beec..633e33b 100644
--- a/cmds/installd/globals.h
+++ b/cmds/installd/globals.h
@@ -19,40 +19,29 @@
 #define GLOBALS_H_
 
 #include <inttypes.h>
+#include <string>
+#include <vector>
 
 namespace android {
 namespace installd {
 
-/* constants */
-
 // Name of the environment variable that contains the asec mountpoint.
 static constexpr const char* ASEC_MOUNTPOINT_ENV_NAME = "ASEC_MOUNTPOINT";
 
-/* data structures */
+extern std::string android_app_dir;
+extern std::string android_app_ephemeral_dir;
+extern std::string android_app_lib_dir;
+extern std::string android_app_private_dir;
+extern std::string android_asec_dir;
+extern std::string android_data_dir;
+extern std::string android_media_dir;
+extern std::string android_mnt_expand_dir;
+extern std::string android_profiles_dir;
+extern std::string android_root_dir;
 
-struct dir_rec_t {
-    char* path;
-    size_t len;
-};
+extern std::vector<std::string> android_system_dirs;
 
-struct dir_rec_array_t {
-    size_t count;
-    dir_rec_t* dirs;
-};
-
-extern dir_rec_t android_app_dir;
-extern dir_rec_t android_app_ephemeral_dir;
-extern dir_rec_t android_app_lib_dir;
-extern dir_rec_t android_app_private_dir;
-extern dir_rec_t android_asec_dir;
-extern dir_rec_t android_data_dir;
-extern dir_rec_t android_media_dir;
-extern dir_rec_t android_mnt_expand_dir;
-extern dir_rec_t android_profiles_dir;
-
-extern dir_rec_array_t android_system_dirs;
-
-void free_globals();
+bool init_globals_from_data_and_root();
 bool init_globals_from_data_and_root(const char* data, const char* root);
 
 }  // namespace installd
diff --git a/cmds/installd/installd.cpp b/cmds/installd/installd.cpp
index 35936a2..95ed2ff 100644
--- a/cmds/installd/installd.cpp
+++ b/cmds/installd/installd.cpp
@@ -30,6 +30,7 @@
 #include <private/android_filesystem_config.h>
 
 #include "InstalldNativeService.h"
+#include "dexopt.h"
 #include "globals.h"
 #include "installd_constants.h"
 #include "installd_deps.h"  // Need to fill in requirements of commands.
@@ -50,133 +51,22 @@
     return property_get(key, value, default_value);
 }
 
-// Compute the output path of
-bool calculate_oat_file_path(char path[PKG_PATH_MAX],
-                             const char *oat_dir,
-                             const char *apk_path,
-                             const char *instruction_set) {
-    const char *file_name_start;
-    const char *file_name_end;
-
-    file_name_start = strrchr(apk_path, '/');
-    if (file_name_start == NULL) {
-        SLOGE("apk_path '%s' has no '/'s in it\n", apk_path);
-        return false;
-    }
-    file_name_end = strrchr(apk_path, '.');
-    if (file_name_end < file_name_start) {
-        SLOGE("apk_path '%s' has no extension\n", apk_path);
-        return false;
-    }
-
-    // Calculate file_name
-    int file_name_len = file_name_end - file_name_start - 1;
-    char file_name[file_name_len + 1];
-    memcpy(file_name, file_name_start + 1, file_name_len);
-    file_name[file_name_len] = '\0';
-
-    // <apk_parent_dir>/oat/<isa>/<file_name>.odex
-    snprintf(path, PKG_PATH_MAX, "%s/%s/%s.odex", oat_dir, instruction_set, file_name);
-    return true;
+bool calculate_oat_file_path(char path[PKG_PATH_MAX], const char *oat_dir, const char *apk_path,
+        const char *instruction_set) {
+    return calculate_oat_file_path_default(path, oat_dir, apk_path, instruction_set);
 }
 
-/*
- * Computes the odex file for the given apk_path and instruction_set.
- * /system/framework/whatever.jar -> /system/framework/oat/<isa>/whatever.odex
- *
- * Returns false if it failed to determine the odex file path.
- */
-bool calculate_odex_file_path(char path[PKG_PATH_MAX],
-                              const char *apk_path,
-                              const char *instruction_set) {
-    if (strlen(apk_path) + strlen("oat/") + strlen(instruction_set)
-            + strlen("/") + strlen("odex") + 1 > PKG_PATH_MAX) {
-        SLOGE("apk_path '%s' may be too long to form odex file path.\n", apk_path);
-        return false;
-    }
-
-    strcpy(path, apk_path);
-    char *end = strrchr(path, '/');
-    if (end == NULL) {
-        SLOGE("apk_path '%s' has no '/'s in it?!\n", apk_path);
-        return false;
-    }
-    const char *apk_end = apk_path + (end - path); // strrchr(apk_path, '/');
-
-    strcpy(end + 1, "oat/");       // path = /system/framework/oat/\0
-    strcat(path, instruction_set); // path = /system/framework/oat/<isa>\0
-    strcat(path, apk_end);         // path = /system/framework/oat/<isa>/whatever.jar\0
-    end = strrchr(path, '.');
-    if (end == NULL) {
-        SLOGE("apk_path '%s' has no extension.\n", apk_path);
-        return false;
-    }
-    strcpy(end + 1, "odex");
-    return true;
+bool calculate_odex_file_path(char path[PKG_PATH_MAX], const char *apk_path,
+        const char *instruction_set) {
+    return calculate_odex_file_path_default(path, apk_path, instruction_set);
 }
 
-bool create_cache_path(char path[PKG_PATH_MAX],
-                       const char *src,
-                       const char *instruction_set) {
-    /* demand that we are an absolute path */
-    if ((src == nullptr) || (src[0] != '/') || strstr(src,"..")) {
-        return false;
-    }
-
-    size_t srclen = strlen(src);
-
-    if (srclen > PKG_PATH_MAX) {        // XXX: PKG_NAME_MAX?
-        return false;
-    }
-
-    size_t dstlen =
-        android_data_dir.len +
-        strlen(DALVIK_CACHE) +
-        1 +
-        strlen(instruction_set) +
-        srclen +
-        strlen(DALVIK_CACHE_POSTFIX) + 2;
-
-    if (dstlen > PKG_PATH_MAX) {
-        return false;
-    }
-
-    sprintf(path,"%s%s/%s/%s",
-            android_data_dir.path,
-            DALVIK_CACHE,
-            instruction_set,
-            src + 1 /* skip the leading / */);
-
-    char* tmp =
-            path +
-            android_data_dir.len +
-            strlen(DALVIK_CACHE) +
-            1 +
-            strlen(instruction_set) + 1;
-
-    for(; *tmp; tmp++) {
-        if (*tmp == '/') {
-            *tmp = '@';
-        }
-    }
-
-    strcat(path, DALVIK_CACHE_POSTFIX);
-    return true;
+bool create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) {
+    return create_cache_path_default(path, src, instruction_set);
 }
 
 static bool initialize_globals() {
-    const char* data_path = getenv("ANDROID_DATA");
-    if (data_path == nullptr) {
-        SLOGE("Could not find ANDROID_DATA");
-        return false;
-    }
-    const char* root_path = getenv("ANDROID_ROOT");
-    if (root_path == nullptr) {
-        SLOGE("Could not find ANDROID_ROOT");
-        return false;
-    }
-
-    return init_globals_from_data_and_root(data_path, root_path);
+    return init_globals_from_data_and_root();
 }
 
 static int initialize_directories() {
@@ -184,7 +74,7 @@
 
     // Read current filesystem layout version to handle upgrade paths
     char version_path[PATH_MAX];
-    snprintf(version_path, PATH_MAX, "%s.layout_version", android_data_dir.path);
+    snprintf(version_path, PATH_MAX, "%s.layout_version", android_data_dir.c_str());
 
     int oldVersion;
     if (fs_read_atomic_int(version_path, &oldVersion) == -1) {
@@ -206,7 +96,7 @@
         SLOGD("Upgrading to /data/misc/user directories");
 
         char misc_dir[PATH_MAX];
-        snprintf(misc_dir, PATH_MAX, "%smisc", android_data_dir.path);
+        snprintf(misc_dir, PATH_MAX, "%smisc", android_data_dir.c_str());
 
         char keychain_added_dir[PATH_MAX];
         snprintf(keychain_added_dir, PATH_MAX, "%s/keychain/cacerts-added", misc_dir);
@@ -227,7 +117,7 @@
                     if ((name[1] == '.') && (name[2] == 0)) continue;
                 }
 
-                uint32_t user_id = atoi(name);
+                uint32_t user_id = std::stoi(name);
 
                 // /data/misc/user/<user_id>
                 if (ensure_config_user_dirs(user_id) == -1) {
@@ -281,7 +171,7 @@
     return res;
 }
 
-static int log_callback(int type, const char *fmt, ...) {
+static int log_callback(int type, const char *fmt, ...) { // NOLINT
     va_list ap;
     int priority;
 
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index 09e1a00..e0d23da 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -146,14 +146,13 @@
                 return 0;
             }
             // Copy in the default value.
-            strncpy(value, default_value, kPropertyValueMax - 1);
+            strlcpy(value, default_value, kPropertyValueMax - 1);
             value[kPropertyValueMax - 1] = 0;
             return strlen(default_value);// TODO: Need to truncate?
         }
-        size_t size = std::min(kPropertyValueMax - 1, prop_value->length());
-        strncpy(value, prop_value->data(), size);
-        value[size] = 0;
-        return static_cast<int>(size);
+        size_t size = std::min(kPropertyValueMax - 1, prop_value->length()) + 1;
+        strlcpy(value, prop_value->data(), size);
+        return static_cast<int>(size - 1);
     }
 
     std::string GetOTADataDirectory() const {
diff --git a/cmds/installd/tests/installd_service_test.cpp b/cmds/installd/tests/installd_service_test.cpp
index 34818f6..ca812bd 100644
--- a/cmds/installd/tests/installd_service_test.cpp
+++ b/cmds/installd/tests/installd_service_test.cpp
@@ -25,6 +25,7 @@
 #include <gtest/gtest.h>
 
 #include "InstalldNativeService.h"
+#include "dexopt.h"
 #include "globals.h"
 #include "utils.h"
 
@@ -41,25 +42,18 @@
     return property_get(key, value, default_value);
 }
 
-bool calculate_oat_file_path(char path[PKG_PATH_MAX] ATTRIBUTE_UNUSED,
-        const char *oat_dir ATTRIBUTE_UNUSED,
-        const char *apk_path ATTRIBUTE_UNUSED,
-        const char *instruction_set ATTRIBUTE_UNUSED) {
-    return false;
-}
-
-bool calculate_odex_file_path(char path[PKG_PATH_MAX] ATTRIBUTE_UNUSED,
-        const char *apk_path ATTRIBUTE_UNUSED,
-        const char *instruction_set ATTRIBUTE_UNUSED) {
-    return false;
-}
-
-bool create_cache_path(char path[PKG_PATH_MAX],
-        const char *src,
+bool calculate_oat_file_path(char path[PKG_PATH_MAX], const char *oat_dir, const char *apk_path,
         const char *instruction_set) {
-    // Not really a valid path but it's good enough for testing.
-    sprintf(path,"/data/dalvik-cache/%s/%s", instruction_set, src);
-    return true;
+    return calculate_oat_file_path_default(path, oat_dir, apk_path, instruction_set);
+}
+
+bool calculate_odex_file_path(char path[PKG_PATH_MAX], const char *apk_path,
+        const char *instruction_set) {
+    return calculate_odex_file_path_default(path, apk_path, instruction_set);
+}
+
+bool create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) {
+    return create_cache_path_default(path, src, instruction_set);
 }
 
 static void mkdir(const char* path, uid_t owner, gid_t group, mode_t mode) {
@@ -102,6 +96,8 @@
         testUuid = std::make_unique<std::string>();
         *testUuid = std::string(kTestUuid);
         system("mkdir -p /data/local/tmp/user/0");
+
+        init_globals_from_data_and_root();
     }
 
     virtual void TearDown() {
@@ -153,12 +149,28 @@
     EXPECT_EQ(10000, stat_gid("com.example/bar/file"));
 }
 
-TEST_F(ServiceTest, RmDexNoDalvikCache) {
-    LOG(INFO) << "RmDexNoDalvikCache";
+TEST_F(ServiceTest, CalculateOat) {
+    char buf[PKG_PATH_MAX];
 
-    // Try to remove a non existing dalvik cache dex. The call should be
-    // successful because there's nothing to remove.
-    EXPECT_TRUE(service->rmdex("com.example", "arm").isOk());
+    EXPECT_TRUE(calculate_oat_file_path(buf, "/path/to/oat", "/path/to/file.apk", "isa"));
+    EXPECT_EQ("/path/to/oat/isa/file.odex", std::string(buf));
+
+    EXPECT_FALSE(calculate_oat_file_path(buf, "/path/to/oat", "/path/to/file", "isa"));
+    EXPECT_FALSE(calculate_oat_file_path(buf, "/path/to/oat", "file", "isa"));
+}
+
+TEST_F(ServiceTest, CalculateOdex) {
+    char buf[PKG_PATH_MAX];
+
+    EXPECT_TRUE(calculate_odex_file_path(buf, "/path/to/file.apk", "isa"));
+    EXPECT_EQ("/path/to/oat/isa/file.odex", std::string(buf));
+}
+
+TEST_F(ServiceTest, CalculateCache) {
+    char buf[PKG_PATH_MAX];
+
+    EXPECT_TRUE(create_cache_path(buf, "/path/to/file.apk", "isa"));
+    EXPECT_EQ("/data/dalvik-cache/isa/path@to@file.apk@classes.dex", std::string(buf));
 }
 
 }  // namespace installd
diff --git a/cmds/installd/tests/installd_utils_test.cpp b/cmds/installd/tests/installd_utils_test.cpp
index 46ed85f..09dd25a 100644
--- a/cmds/installd/tests/installd_utils_test.cpp
+++ b/cmds/installd/tests/installd_utils_test.cpp
@@ -17,6 +17,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <android-base/logging.h>
 #include <gtest/gtest.h>
 
 #include "InstalldNativeService.h"
@@ -27,6 +28,7 @@
 #define LOG_TAG "utils_test"
 
 #define TEST_DATA_DIR "/data/"
+#define TEST_ROOT_DIR "/system/"
 #define TEST_APP_DIR "/data/app/"
 #define TEST_APP_PRIVATE_DIR "/data/app-private/"
 #define TEST_APP_EPHEMERAL_DIR "/data/app-ephemeral/"
@@ -44,39 +46,13 @@
 class UtilsTest : public testing::Test {
 protected:
     virtual void SetUp() {
-        android_app_dir.path = (char*) TEST_APP_DIR;
-        android_app_dir.len = strlen(TEST_APP_DIR);
+        setenv("ANDROID_LOG_TAGS", "*:v", 1);
+        android::base::InitLogging(nullptr);
 
-        android_app_private_dir.path = (char*) TEST_APP_PRIVATE_DIR;
-        android_app_private_dir.len = strlen(TEST_APP_PRIVATE_DIR);
-
-        android_app_ephemeral_dir.path = (char*) TEST_APP_EPHEMERAL_DIR;
-        android_app_ephemeral_dir.len = strlen(TEST_APP_EPHEMERAL_DIR);
-
-        android_data_dir.path = (char*) TEST_DATA_DIR;
-        android_data_dir.len = strlen(TEST_DATA_DIR);
-
-        android_asec_dir.path = (char*) TEST_ASEC_DIR;
-        android_asec_dir.len = strlen(TEST_ASEC_DIR);
-
-        android_mnt_expand_dir.path = (char*) TEST_EXPAND_DIR;
-        android_mnt_expand_dir.len = strlen(TEST_EXPAND_DIR);
-
-        android_system_dirs.count = 2;
-
-        android_system_dirs.dirs = (dir_rec_t*) calloc(android_system_dirs.count, sizeof(dir_rec_t));
-        android_system_dirs.dirs[0].path = (char*) TEST_SYSTEM_DIR1;
-        android_system_dirs.dirs[0].len = strlen(TEST_SYSTEM_DIR1);
-
-        android_system_dirs.dirs[1].path = (char*) TEST_SYSTEM_DIR2;
-        android_system_dirs.dirs[1].len = strlen(TEST_SYSTEM_DIR2);
-
-        android_profiles_dir.path = (char*) TEST_PROFILE_DIR;
-        android_profiles_dir.len = strlen(TEST_PROFILE_DIR);
+        init_globals_from_data_and_root(TEST_DATA_DIR, TEST_ROOT_DIR);
     }
 
     virtual void TearDown() {
-        free(android_system_dirs.dirs);
     }
 
     std::string create_too_long_path(const std::string& seed) {
@@ -276,184 +252,6 @@
             << badapp2 << " should be rejected not a system path";
 }
 
-TEST_F(UtilsTest, GetPathFromString_NullPathFail) {
-    dir_rec_t test1;
-    EXPECT_EQ(-1, get_path_from_string(&test1, (const char *) NULL))
-            << "Should not allow NULL as a path.";
-}
-
-TEST_F(UtilsTest, GetPathFromString_EmptyPathFail) {
-    dir_rec_t test1;
-    EXPECT_EQ(-1, get_path_from_string(&test1, ""))
-            << "Should not allow empty paths.";
-}
-
-TEST_F(UtilsTest, GetPathFromString_RelativePathFail) {
-    dir_rec_t test1;
-    EXPECT_EQ(-1, get_path_from_string(&test1, "mnt/asec"))
-            << "Should not allow relative paths.";
-}
-
-TEST_F(UtilsTest, GetPathFromString_NonCanonical) {
-    dir_rec_t test1;
-
-    EXPECT_EQ(0, get_path_from_string(&test1, "/mnt/asec"))
-            << "Should be able to canonicalize directory /mnt/asec";
-    EXPECT_STREQ("/mnt/asec/", test1.path)
-            << "/mnt/asec should be canonicalized to /mnt/asec/";
-    EXPECT_EQ(10, (ssize_t) test1.len)
-            << "path len should be equal to the length of /mnt/asec/ (10)";
-    free(test1.path);
-}
-
-TEST_F(UtilsTest, GetPathFromString_CanonicalPath) {
-    dir_rec_t test3;
-    EXPECT_EQ(0, get_path_from_string(&test3, "/data/app/"))
-            << "Should be able to canonicalize directory /data/app/";
-    EXPECT_STREQ("/data/app/", test3.path)
-            << "/data/app/ should be canonicalized to /data/app/";
-    EXPECT_EQ(10, (ssize_t) test3.len)
-            << "path len should be equal to the length of /data/app/ (10)";
-    free(test3.path);
-}
-
-TEST_F(UtilsTest, CreatePkgPath_LongPkgNameSuccess) {
-    char path[PKG_PATH_MAX];
-
-    // Create long packagename of "aaaaa..."
-    size_t pkgnameSize = PKG_NAME_MAX;
-    char pkgname[pkgnameSize + 1];
-    memset(pkgname, 'a', pkgnameSize);
-    pkgname[1] = '.';
-    pkgname[pkgnameSize] = '\0';
-
-    EXPECT_EQ(0, create_pkg_path(path, pkgname, "", 0))
-            << "Should successfully be able to create package name.";
-
-    std::string prefix = std::string(TEST_DATA_DIR) + PRIMARY_USER_PREFIX;
-    size_t offset = prefix.length();
-
-    EXPECT_STREQ(pkgname, path + offset)
-             << "Package path should be a really long string of a's";
-}
-
-TEST_F(UtilsTest, CreatePkgPath_LongPostfixFail) {
-    char path[PKG_PATH_MAX];
-
-    // Create long packagename of "aaaaa..."
-    size_t postfixSize = PKG_PATH_MAX;
-    char postfix[postfixSize + 1];
-    memset(postfix, 'a', postfixSize);
-    postfix[postfixSize] = '\0';
-
-    EXPECT_EQ(-1, create_pkg_path(path, "com.example.package", postfix, 0))
-            << "Should return error because postfix is too long.";
-}
-
-TEST_F(UtilsTest, CreatePkgPath_PrimaryUser) {
-    char path[PKG_PATH_MAX];
-
-    EXPECT_EQ(0, create_pkg_path(path, "com.example.package", "", 0))
-            << "Should return error because postfix is too long.";
-
-    std::string p = std::string(TEST_DATA_DIR)
-                    + PRIMARY_USER_PREFIX
-                    + "com.example.package";
-    EXPECT_STREQ(p.c_str(), path)
-            << "Package path should be in /data/data/";
-}
-
-TEST_F(UtilsTest, CreatePkgPath_SecondaryUser) {
-    char path[PKG_PATH_MAX];
-
-    EXPECT_EQ(0, create_pkg_path(path, "com.example.package", "", 1))
-            << "Should successfully create package path.";
-
-    std::string p = std::string(TEST_DATA_DIR)
-                    + SECONDARY_USER_PREFIX
-                    + "1/com.example.package";
-    EXPECT_STREQ(p.c_str(), path)
-            << "Package path should be in /data/user/";
-}
-
-TEST_F(UtilsTest, CreateMovePath_Primary) {
-    char path[PKG_PATH_MAX];
-
-    EXPECT_EQ(0, create_move_path(path, "com.android.test", "shared_prefs", 0))
-            << "Should be able to create move path for primary user";
-
-    EXPECT_STREQ("/data/data/com.android.test/shared_prefs", path)
-            << "Primary user package directory should be created correctly";
-}
-
-
-TEST_F(UtilsTest, CreateMovePath_Fail_AppTooLong) {
-    char path[PKG_PATH_MAX];
-    std::string really_long_app_name = create_too_long_path("com.example");
-    EXPECT_EQ(-1, create_move_path(path, really_long_app_name.c_str(), "shared_prefs", 0))
-            << "Should fail to create move path for primary user";
-}
-
-TEST_F(UtilsTest, CreateMovePath_Fail_LeafTooLong) {
-    char path[PKG_PATH_MAX];
-    std::string really_long_leaf_name = create_too_long_path("leaf_");
-    EXPECT_EQ(-1, create_move_path(path, "com.android.test", really_long_leaf_name.c_str(), 0))
-            << "Should fail to create move path for primary user";
-}
-
-TEST_F(UtilsTest, CopyAndAppend_Normal) {
-    //int copy_and_append(dir_rec_t* dst, dir_rec_t* src, char* suffix)
-    dir_rec_t dst;
-    dir_rec_t src;
-
-    src.path = (char*) "/data/";
-    src.len = strlen(src.path);
-
-    EXPECT_EQ(0, copy_and_append(&dst, &src, "app/"))
-            << "Should return error because postfix is too long.";
-
-    EXPECT_STREQ("/data/app/", dst.path)
-            << "Appended path should be correct";
-
-    EXPECT_EQ(10, (ssize_t) dst.len)
-            << "Appended path should be length of '/data/app/' (10)";
-}
-
-TEST_F(UtilsTest, AppendAndIncrement_Normal) {
-    size_t dst_size = 10;
-    char dst[dst_size];
-    char *dstp = dst;
-    const char* src = "FOO";
-
-    EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
-            << "String should append successfully";
-
-    EXPECT_STREQ("FOO", dst)
-            << "String should append correctly";
-
-    EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
-            << "String should append successfully again";
-
-    EXPECT_STREQ("FOOFOO", dst)
-            << "String should append correctly again";
-}
-
-TEST_F(UtilsTest, AppendAndIncrement_TooBig) {
-    size_t dst_size = 5;
-    char dst[dst_size];
-    char *dstp = dst;
-    const char* src = "FOO";
-
-    EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
-            << "String should append successfully";
-
-    EXPECT_STREQ("FOO", dst)
-            << "String should append correctly";
-
-    EXPECT_EQ(-1, append_and_increment(&dstp, src, &dst_size))
-            << "String should fail because it's too large to fit";
-}
-
 TEST_F(UtilsTest, CreateDataPath) {
     EXPECT_EQ("/data", create_data_path(nullptr));
     EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b",
diff --git a/cmds/installd/utils.cpp b/cmds/installd/utils.cpp
index dd32ac6..c25b2ce 100644
--- a/cmds/installd/utils.cpp
+++ b/cmds/installd/utils.cpp
@@ -129,24 +129,6 @@
             create_data_user_de_path(volume_uuid, user).c_str(), package_name);
 }
 
-int create_pkg_path(char path[PKG_PATH_MAX], const char *pkgname,
-        const char *postfix, userid_t userid) {
-    if (!is_valid_package_name(pkgname)) {
-        path[0] = '\0';
-        return -1;
-    }
-
-    std::string _tmp(create_data_user_ce_package_path(nullptr, userid, pkgname) + postfix);
-    const char* tmp = _tmp.c_str();
-    if (strlen(tmp) >= PKG_PATH_MAX) {
-        path[0] = '\0';
-        return -1;
-    } else {
-        strcpy(path, tmp);
-        return 0;
-    }
-}
-
 std::string create_data_path(const char* volume_uuid) {
     if (volume_uuid == nullptr) {
         return "/data";
@@ -213,7 +195,7 @@
 }
 
 std::string create_primary_cur_profile_dir_path(userid_t userid) {
-    return StringPrintf("%s/cur/%u", android_profiles_dir.path, userid);
+    return StringPrintf("%s/cur/%u", android_profiles_dir.c_str(), userid);
 }
 
 std::string create_primary_current_profile_package_dir_path(userid_t user,
@@ -224,12 +206,12 @@
 }
 
 std::string create_primary_ref_profile_dir_path() {
-    return StringPrintf("%s/ref", android_profiles_dir.path);
+    return StringPrintf("%s/ref", android_profiles_dir.c_str());
 }
 
 std::string create_primary_reference_profile_package_dir_path(const std::string& package_name) {
     check_package_name(package_name.c_str());
-    return StringPrintf("%s/ref/%s", android_profiles_dir.path, package_name.c_str());
+    return StringPrintf("%s/ref/%s", android_profiles_dir.c_str(), package_name.c_str());
 }
 
 std::string create_data_dalvik_cache_path() {
@@ -378,20 +360,6 @@
     return 0;
 }
 
-int create_move_path(char path[PKG_PATH_MAX],
-    const char* pkgname,
-    const char* leaf,
-    userid_t userid ATTRIBUTE_UNUSED)
-{
-    if ((android_data_dir.len + strlen(PRIMARY_USER_PREFIX) + strlen(pkgname) + strlen(leaf) + 1)
-            >= PKG_PATH_MAX) {
-        return -1;
-    }
-
-    sprintf(path, "%s%s%s/%s", android_data_dir.path, PRIMARY_USER_PREFIX, pkgname, leaf);
-    return 0;
-}
-
 /**
  * Checks whether the package name is valid. Returns -1 on error and
  * 0 on success.
@@ -761,22 +729,33 @@
  * The path is allowed to have at most one subdirectory and no indirections
  * to top level directories (i.e. have "..").
  */
-static int validate_path(const dir_rec_t* dir, const char* path, int maxSubdirs) {
-    size_t dir_len = dir->len;
-    const char* subdir = strchr(path + dir_len, '/');
-
-    // Only allow the path to have at most one subdirectory.
-    if (subdir != NULL) {
-        ++subdir;
-        if ((--maxSubdirs == 0) && strchr(subdir, '/') != NULL) {
-            ALOGE("invalid apk path '%s' (subdir?)\n", path);
-            return -1;
-        }
+static int validate_path(const std::string& dir, const std::string& path, int maxSubdirs) {
+    // Argument sanity checking
+    if (dir.find('/') != 0 || dir.rfind('/') != dir.size() - 1
+            || dir.find("..") != std::string::npos) {
+        LOG(ERROR) << "Invalid directory " << dir;
+        return -1;
+    }
+    if (path.find("..") != std::string::npos) {
+        LOG(ERROR) << "Invalid path " << path;
+        return -1;
     }
 
-    // Directories can't have a period directly after the directory markers to prevent "..".
-    if ((path[dir_len] == '.') || ((subdir != NULL) && (*subdir == '.'))) {
-        ALOGE("invalid apk path '%s' (trickery)\n", path);
+    if (path.compare(0, dir.size(), dir) != 0) {
+        // Common case, path isn't under directory
+        return -1;
+    }
+
+    // Count number of subdirectories
+    auto pos = path.find('/', dir.size());
+    int count = 0;
+    while (pos != std::string::npos) {
+        pos = path.find('/', pos + 1);
+        count++;
+    }
+
+    if (count > maxSubdirs) {
+        LOG(ERROR) << "Invalid path depth " << path << " when tested against " << dir;
         return -1;
     }
 
@@ -788,15 +767,12 @@
  * if it is a system app or -1 if it is not.
  */
 int validate_system_app_path(const char* path) {
-    size_t i;
-
-    for (i = 0; i < android_system_dirs.count; i++) {
-        const size_t dir_len = android_system_dirs.dirs[i].len;
-        if (!strncmp(path, android_system_dirs.dirs[i].path, dir_len)) {
-            return validate_path(android_system_dirs.dirs + i, path, 1);
+    std::string path_ = path;
+    for (const auto& dir : android_system_dirs) {
+        if (validate_path(dir, path, 1) == 0) {
+            return 0;
         }
     }
-
     return -1;
 }
 
@@ -834,116 +810,26 @@
 }
 
 /**
- * Get the contents of a environment variable that contains a path. Caller
- * owns the string that is inserted into the directory record. Returns
- * 0 on success and -1 on error.
- */
-int get_path_from_env(dir_rec_t* rec, const char* var) {
-    const char* path = getenv(var);
-    int ret = get_path_from_string(rec, path);
-    if (ret < 0) {
-        ALOGW("Problem finding value for environment variable %s\n", var);
-    }
-    return ret;
-}
-
-/**
- * Puts the string into the record as a directory. Appends '/' to the end
- * of all paths. Caller owns the string that is inserted into the directory
- * record. A null value will result in an error.
- *
- * Returns 0 on success and -1 on error.
- */
-int get_path_from_string(dir_rec_t* rec, const char* path) {
-    if (path == NULL) {
-        return -1;
-    } else {
-        const size_t path_len = strlen(path);
-        if (path_len <= 0) {
-            return -1;
-        }
-
-        // Make sure path is absolute.
-        if (path[0] != '/') {
-            return -1;
-        }
-
-        if (path[path_len - 1] == '/') {
-            // Path ends with a forward slash. Make our own copy.
-
-            rec->path = strdup(path);
-            if (rec->path == NULL) {
-                return -1;
-            }
-
-            rec->len = path_len;
-        } else {
-            // Path does not end with a slash. Generate a new string.
-            char *dst;
-
-            // Add space for slash and terminating null.
-            size_t dst_size = path_len + 2;
-
-            rec->path = (char*) malloc(dst_size);
-            if (rec->path == NULL) {
-                return -1;
-            }
-
-            dst = rec->path;
-
-            if (append_and_increment(&dst, path, &dst_size) < 0
-                    || append_and_increment(&dst, "/", &dst_size)) {
-                ALOGE("Error canonicalizing path");
-                return -1;
-            }
-
-            rec->len = dst - rec->path;
-        }
-    }
-    return 0;
-}
-
-int copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix) {
-    dst->len = src->len + strlen(suffix);
-    const size_t dstSize = dst->len + 1;
-    dst->path = (char*) malloc(dstSize);
-
-    if (dst->path == NULL
-            || snprintf(dst->path, dstSize, "%s%s", src->path, suffix)
-                    != (ssize_t) dst->len) {
-        ALOGE("Could not allocate memory to hold appended path; aborting\n");
-        return -1;
-    }
-
-    return 0;
-}
-
-/**
  * Check whether path points to a valid path for an APK file. The path must
  * begin with a whitelisted prefix path and must be no deeper than |maxSubdirs| within
  * that path. Returns -1 when an invalid path is encountered and 0 when a valid path
  * is encountered.
  */
 static int validate_apk_path_internal(const char *path, int maxSubdirs) {
-    const dir_rec_t* dir = NULL;
-    if (!strncmp(path, android_app_dir.path, android_app_dir.len)) {
-        dir = &android_app_dir;
-    } else if (!strncmp(path, android_app_private_dir.path, android_app_private_dir.len)) {
-        dir = &android_app_private_dir;
-    } else if (!strncmp(path, android_app_ephemeral_dir.path, android_app_ephemeral_dir.len)) {
-        dir = &android_app_ephemeral_dir;
-    } else if (!strncmp(path, android_asec_dir.path, android_asec_dir.len)) {
-        dir = &android_asec_dir;
-    } else if (!strncmp(path, android_mnt_expand_dir.path, android_mnt_expand_dir.len)) {
-        dir = &android_mnt_expand_dir;
-        if (maxSubdirs < 2) {
-            maxSubdirs = 2;
-        }
+    std::string path_ = path;
+    if (validate_path(android_app_dir, path_, maxSubdirs) == 0) {
+        return 0;
+    } else if (validate_path(android_app_private_dir, path_, maxSubdirs) == 0) {
+        return 0;
+    } else if (validate_path(android_app_ephemeral_dir, path_, maxSubdirs) == 0) {
+        return 0;
+    } else if (validate_path(android_asec_dir, path_, maxSubdirs) == 0) {
+        return 0;
+    } else if (validate_path(android_mnt_expand_dir, path_, std::max(maxSubdirs, 2)) == 0) {
+        return 0;
     } else {
         return -1;
     }
-
-    return validate_path(dir, path, maxSubdirs);
 }
 
 int validate_apk_path(const char* path) {
@@ -954,48 +840,6 @@
     return validate_apk_path_internal(path, 3 /* maxSubdirs */);
 }
 
-int append_and_increment(char** dst, const char* src, size_t* dst_size) {
-    ssize_t ret = strlcpy(*dst, src, *dst_size);
-    if (ret < 0 || (size_t) ret >= *dst_size) {
-        return -1;
-    }
-    *dst += ret;
-    *dst_size -= ret;
-    return 0;
-}
-
-char *build_string2(const char *s1, const char *s2) {
-    if (s1 == NULL || s2 == NULL) return NULL;
-
-    int len_s1 = strlen(s1);
-    int len_s2 = strlen(s2);
-    int len = len_s1 + len_s2 + 1;
-    char *result = (char *) malloc(len);
-    if (result == NULL) return NULL;
-
-    strcpy(result, s1);
-    strcpy(result + len_s1, s2);
-
-    return result;
-}
-
-char *build_string3(const char *s1, const char *s2, const char *s3) {
-    if (s1 == NULL || s2 == NULL || s3 == NULL) return NULL;
-
-    int len_s1 = strlen(s1);
-    int len_s2 = strlen(s2);
-    int len_s3 = strlen(s3);
-    int len = len_s1 + len_s2 + len_s3 + 1;
-    char *result = (char *) malloc(len);
-    if (result == NULL) return NULL;
-
-    strcpy(result, s1);
-    strcpy(result + len_s1, s2);
-    strcpy(result + len_s1 + len_s2, s3);
-
-    return result;
-}
-
 int ensure_config_user_dirs(userid_t userid) {
     // writable by system, readable by any app within the same user
     const int uid = multiuser_get_uid(userid, AID_SYSTEM);
@@ -1068,7 +912,7 @@
     } else {
         // Mismatched GID/mode is recoverable; fall through to update
         LOG(DEBUG) << "Mismatched cache GID/mode at " << path << ": found " << st.st_gid
-                << " but expected " << gid;
+                << "/" << actual_mode << " but expected " << gid << "/" << target_mode;
     }
 
     // Directory is owned correctly, but GID or mode mismatch means it's
diff --git a/cmds/installd/utils.h b/cmds/installd/utils.h
index e938042..5af5756 100644
--- a/cmds/installd/utils.h
+++ b/cmds/installd/utils.h
@@ -41,18 +41,11 @@
 namespace android {
 namespace installd {
 
-struct dir_rec_t;
-
 constexpr const char* kXattrInodeCache = "user.inode_cache";
 constexpr const char* kXattrInodeCodeCache = "user.inode_code_cache";
 constexpr const char* kXattrCacheGroup = "user.cache_group";
 constexpr const char* kXattrCacheTombstone = "user.cache_tombstone";
 
-int create_pkg_path(char path[PKG_PATH_MAX],
-                    const char *pkgname,
-                    const char *postfix,
-                    userid_t userid);
-
 std::string create_data_path(const char* volume_uuid);
 
 std::string create_data_app_path(const char* volume_uuid);
@@ -96,11 +89,6 @@
 
 int create_user_config_path(char path[PKG_PATH_MAX], userid_t userid);
 
-int create_move_path(char path[PKG_PATH_MAX],
-                     const char* pkgname,
-                     const char* leaf,
-                     userid_t userid);
-
 bool is_valid_filename(const std::string& name);
 bool is_valid_package_name(const std::string& packageName);
 
@@ -127,20 +115,9 @@
 bool validate_secondary_dex_path(const std::string& pkgname, const std::string& dex_path,
         const char* volume_uuid, int uid, int storage_flag, bool validate_package_path = true);
 
-int get_path_from_env(dir_rec_t* rec, const char* var);
-
-int get_path_from_string(dir_rec_t* rec, const char* path);
-
-int copy_and_append(dir_rec_t* dst, const dir_rec_t* src, const char* suffix);
-
 int validate_apk_path(const char *path);
 int validate_apk_path_subdirs(const char *path);
 
-int append_and_increment(char** dst, const char* src, size_t* dst_size);
-
-char *build_string2(const char *s1, const char *s2);
-char *build_string3(const char *s1, const char *s2, const char *s3);
-
 int ensure_config_user_dirs(userid_t userid);
 
 int wait_child(pid_t pid);
diff --git a/cmds/lshal/Android.bp b/cmds/lshal/Android.bp
index 5a87505..6cbe7e2 100644
--- a/cmds/lshal/Android.bp
+++ b/cmds/lshal/Android.bp
@@ -20,6 +20,7 @@
         "libutils",
         "libhidlbase",
         "libhidltransport",
+        "libhidl-gen-hash",
         "libhidl-gen-utils",
         "libvintf",
     ],
diff --git a/cmds/lshal/ListCommand.cpp b/cmds/lshal/ListCommand.cpp
index 8b59fb8..7399692 100644
--- a/cmds/lshal/ListCommand.cpp
+++ b/cmds/lshal/ListCommand.cpp
@@ -27,6 +27,7 @@
 
 #include <android-base/parseint.h>
 #include <android/hidl/manager/1.0/IServiceManager.h>
+#include <hidl-hash/Hash.h>
 #include <hidl-util/FQName.h>
 #include <private/android_filesystem_config.h>
 #include <sys/stat.h>
@@ -39,6 +40,9 @@
 #include "utils.h"
 
 using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hidl::base::V1_0::DebugInfo;
+using ::android::hidl::base::V1_0::IBase;
 using ::android::hidl::manager::V1_0::IServiceManager;
 
 namespace android {
@@ -85,7 +89,7 @@
     }), pids->end());
 }
 
-bool scanBinderContext(pid_t pid,
+static bool scanBinderContext(pid_t pid,
         const std::string &contextName,
         std::function<void(const std::string&)> eachLine) {
     std::ifstream ifs("/d/binder/proc/" + std::to_string(pid));
@@ -171,6 +175,16 @@
     });
 }
 
+const PidInfo* ListCommand::getPidInfoCached(pid_t serverPid) {
+    auto pair = mCachedPidInfos.insert({serverPid, PidInfo{}});
+    if (pair.second /* did insertion take place? */) {
+        if (!getPidInfo(serverPid, &pair.first->second)) {
+            return nullptr;
+        }
+    }
+    return &pair.first->second;
+}
+
 // Must process hwbinder services first, then passthrough services.
 void ListCommand::forEachTable(const std::function<void(Table &)> &f) {
     f(mServicesTable);
@@ -445,10 +459,7 @@
             entries.emplace(interfaceName, TableEntry{
                 .interfaceName = interfaceName,
                 .transport = "passthrough",
-                .serverPid = NO_PID,
-                .serverObjectAddress = NO_PTR,
                 .clientPids = info.clientPids,
-                .arch = ARCH_UNKNOWN
             }).first->second.arch |= fromBaseArchitecture(info.arch);
         }
         for (auto &&pair : entries) {
@@ -479,7 +490,6 @@
                         std::string{info.instanceName.c_str()},
                 .transport = "passthrough",
                 .serverPid = info.clientPids.size() == 1 ? info.clientPids[0] : NO_PID,
-                .serverObjectAddress = NO_PTR,
                 .clientPids = info.clientPids,
                 .arch = fromBaseArchitecture(info.arch)
             });
@@ -494,10 +504,6 @@
 }
 
 Status ListCommand::fetchBinderized(const sp<IServiceManager> &manager) {
-    using namespace ::std;
-    using namespace ::android::hardware;
-    using namespace ::android::hidl::manager::V1_0;
-    using namespace ::android::hidl::base::V1_0;
     const std::string mode = "hwbinder";
 
     hidl_vec<hidl_string> fqInstanceNames;
@@ -512,80 +518,117 @@
     }
 
     Status status = OK;
-    // server pid, .ptr value of binder object, child pids
-    std::map<std::string, DebugInfo> allDebugInfos;
-    std::map<pid_t, PidInfo> allPids;
+    std::map<std::string, TableEntry> allTableEntries;
     for (const auto &fqInstanceName : fqInstanceNames) {
-        const auto pair = splitFirst(fqInstanceName, '/');
-        const auto &serviceName = pair.first;
-        const auto &instanceName = pair.second;
-        auto getRet = timeoutIPC(manager, &IServiceManager::get, serviceName, instanceName);
-        if (!getRet.isOk()) {
-            err() << "Warning: Skipping \"" << fqInstanceName << "\": "
-                 << "cannot be fetched from service manager:"
-                 << getRet.description() << std::endl;
-            status |= DUMP_BINDERIZED_ERROR;
-            continue;
-        }
-        sp<IBase> service = getRet;
-        if (service == nullptr) {
-            err() << "Warning: Skipping \"" << fqInstanceName << "\": "
-                 << "cannot be fetched from service manager (null)"
-                 << std::endl;
-            status |= DUMP_BINDERIZED_ERROR;
-            continue;
-        }
-        auto debugRet = timeoutIPC(service, &IBase::getDebugInfo, [&] (const auto &debugInfo) {
-            allDebugInfos[fqInstanceName] = debugInfo;
-            if (debugInfo.pid >= 0) {
-                allPids[static_cast<pid_t>(debugInfo.pid)] = PidInfo();
-            }
+        // create entry and default assign all fields.
+        TableEntry& entry = allTableEntries[fqInstanceName];
+        entry.interfaceName = fqInstanceName;
+        entry.transport = mode;
+
+        status |= fetchBinderizedEntry(manager, &entry);
+    }
+
+    for (auto& pair : allTableEntries) {
+        putEntry(HWSERVICEMANAGER_LIST, std::move(pair.second));
+    }
+    return status;
+}
+
+Status ListCommand::fetchBinderizedEntry(const sp<IServiceManager> &manager,
+                                         TableEntry *entry) {
+    Status status = OK;
+    const auto handleError = [&](Status additionalError, const std::string& msg) {
+        err() << "Warning: Skipping \"" << entry->interfaceName << "\": " << msg << std::endl;
+        status |= DUMP_BINDERIZED_ERROR | additionalError;
+    };
+
+    const auto pair = splitFirst(entry->interfaceName, '/');
+    const auto &serviceName = pair.first;
+    const auto &instanceName = pair.second;
+    auto getRet = timeoutIPC(manager, &IServiceManager::get, serviceName, instanceName);
+    if (!getRet.isOk()) {
+        handleError(TRANSACTION_ERROR,
+                    "cannot be fetched from service manager:" + getRet.description());
+        return status;
+    }
+    sp<IBase> service = getRet;
+    if (service == nullptr) {
+        handleError(NO_INTERFACE, "cannot be fetched from service manager (null)");
+        return status;
+    }
+
+    // getDebugInfo
+    do {
+        DebugInfo debugInfo;
+        auto debugRet = timeoutIPC(service, &IBase::getDebugInfo, [&] (const auto &received) {
+            debugInfo = received;
         });
         if (!debugRet.isOk()) {
-            err() << "Warning: Skipping \"" << fqInstanceName << "\": "
-                 << "debugging information cannot be retrieved:"
-                 << debugRet.description() << std::endl;
-            status |= DUMP_BINDERIZED_ERROR;
+            handleError(TRANSACTION_ERROR,
+                        "debugging information cannot be retrieved: " + debugRet.description());
+            break; // skip getPidInfo
         }
-    }
 
-    for (auto &pair : allPids) {
-        pid_t serverPid = pair.first;
-        if (!getPidInfo(serverPid, &allPids[serverPid])) {
-            err() << "Warning: no information for PID " << serverPid
-                      << ", are you root?" << std::endl;
-            status |= DUMP_BINDERIZED_ERROR;
-        }
-    }
-    for (const auto &fqInstanceName : fqInstanceNames) {
-        auto it = allDebugInfos.find(fqInstanceName);
-        if (it == allDebugInfos.end()) {
-            putEntry(HWSERVICEMANAGER_LIST, {
-                .interfaceName = fqInstanceName,
-                .transport = mode,
-                .serverPid = NO_PID,
-                .serverObjectAddress = NO_PTR,
-                .clientPids = {},
-                .threadUsage = 0,
-                .threadCount = 0,
-                .arch = ARCH_UNKNOWN
-            });
-            continue;
-        }
-        const DebugInfo &info = it->second;
-        bool writePidInfo = info.pid != NO_PID && info.ptr != NO_PTR;
+        entry->serverPid = debugInfo.pid;
+        entry->serverObjectAddress = debugInfo.ptr;
+        entry->arch = fromBaseArchitecture(debugInfo.arch);
 
-        putEntry(HWSERVICEMANAGER_LIST, {
-            .interfaceName = fqInstanceName,
-            .transport = mode,
-            .serverPid = info.pid,
-            .serverObjectAddress = info.ptr,
-            .clientPids = writePidInfo ? allPids[info.pid].refPids[info.ptr] : Pids{},
-            .threadUsage = writePidInfo ? allPids[info.pid].threadUsage : 0,
-            .threadCount = writePidInfo ? allPids[info.pid].threadCount : 0,
-            .arch = fromBaseArchitecture(info.arch),
+        if (debugInfo.pid != NO_PID) {
+            const PidInfo* pidInfo = getPidInfoCached(debugInfo.pid);
+            if (pidInfo == nullptr) {
+                handleError(IO_ERROR,
+                            "no information for PID " + std::to_string(debugInfo.pid) +
+                            ", are you root?");
+                break;
+            }
+            if (debugInfo.ptr != NO_PTR) {
+                auto it = pidInfo->refPids.find(debugInfo.ptr);
+                if (it != pidInfo->refPids.end()) {
+                    entry->clientPids = it->second;
+                }
+            }
+            entry->threadUsage = pidInfo->threadUsage;
+            entry->threadCount = pidInfo->threadCount;
+        }
+    } while (0);
+
+    // hash
+    do {
+        ssize_t hashIndex = -1;
+        auto ifaceChainRet = timeoutIPC(service, &IBase::interfaceChain, [&] (const auto& c) {
+            for (size_t i = 0; i < c.size(); ++i) {
+                if (serviceName == c[i]) {
+                    hashIndex = static_cast<ssize_t>(i);
+                    break;
+                }
+            }
         });
-    }
+        if (!ifaceChainRet.isOk()) {
+            handleError(TRANSACTION_ERROR,
+                        "interfaceChain fails: " + ifaceChainRet.description());
+            break; // skip getHashChain
+        }
+        if (hashIndex < 0) {
+            handleError(BAD_IMPL, "Interface name does not exist in interfaceChain.");
+            break; // skip getHashChain
+        }
+        auto hashRet = timeoutIPC(service, &IBase::getHashChain, [&] (const auto& hashChain) {
+            if (static_cast<size_t>(hashIndex) >= hashChain.size()) {
+                handleError(BAD_IMPL,
+                            "interfaceChain indicates position " + std::to_string(hashIndex) +
+                            " but getHashChain returns " + std::to_string(hashChain.size()) +
+                            " hashes");
+                return;
+            }
+
+            auto&& hashArray = hashChain[hashIndex];
+            std::vector<uint8_t> hashVec{hashArray.data(), hashArray.data() + hashArray.size()};
+            entry->hash = Hash::hexString(hashVec);
+        });
+        if (!hashRet.isOk()) {
+            handleError(TRANSACTION_ERROR, "getHashChain failed: " + hashRet.description());
+        }
+    } while (0);
     return status;
 }
 
@@ -623,6 +666,10 @@
         thiz->mSelectedColumns.push_back(TableColumnType::INTERFACE_NAME);
         return OK;
     }, "print the instance name column"});
+    mOptions.push_back({'l', "released", no_argument, v++, [](ListCommand* thiz, const char*) {
+        thiz->mSelectedColumns.push_back(TableColumnType::RELEASED);
+        return OK;
+    }, "print the 'is released?' column\n(Y=released, empty=unreleased or unknown)"});
     mOptions.push_back({'t', "transport", no_argument, v++, [](ListCommand* thiz, const char*) {
         thiz->mSelectedColumns.push_back(TableColumnType::TRANSPORT);
         return OK;
@@ -631,6 +678,10 @@
         thiz->mSelectedColumns.push_back(TableColumnType::ARCH);
         return OK;
     }, "print the bitness column"});
+    mOptions.push_back({'s', "hash", no_argument, v++, [](ListCommand* thiz, const char*) {
+        thiz->mSelectedColumns.push_back(TableColumnType::HASH);
+        return OK;
+    }, "print hash of the interface"});
     mOptions.push_back({'p', "pid", no_argument, v++, [](ListCommand* thiz, const char*) {
         thiz->mSelectedColumns.push_back(TableColumnType::SERVER_PID);
         return OK;
@@ -773,7 +824,8 @@
     }
 
     if (mSelectedColumns.empty()) {
-        mSelectedColumns = {TableColumnType::INTERFACE_NAME, TableColumnType::THREADS,
+        mSelectedColumns = {TableColumnType::RELEASED,
+                            TableColumnType::INTERFACE_NAME, TableColumnType::THREADS,
                             TableColumnType::SERVER_PID, TableColumnType::CLIENT_PIDS};
     }
 
@@ -841,7 +893,7 @@
     err() << "list:" << std::endl
           << "    lshal" << std::endl
           << "    lshal list" << std::endl
-          << "        List all hals with default ordering and columns (`lshal list -iepc`)" << std::endl
+          << "        List all hals with default ordering and columns (`lshal list -riepc`)" << std::endl
           << "    lshal list [-h|--help]" << std::endl
           << "        -h, --help: Print help message for list (`lshal help list`)" << std::endl
           << "    lshal [list] [OPTIONS...]" << std::endl;
diff --git a/cmds/lshal/ListCommand.h b/cmds/lshal/ListCommand.h
index 5bc834c..7e252fc 100644
--- a/cmds/lshal/ListCommand.h
+++ b/cmds/lshal/ListCommand.h
@@ -78,14 +78,21 @@
 protected:
     Status parseArgs(const Arg &arg);
     Status fetch();
-    void postprocess();
+    virtual void postprocess();
     Status dump();
     void putEntry(TableEntrySource source, TableEntry &&entry);
     Status fetchPassthrough(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager);
     Status fetchBinderized(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager);
     Status fetchAllLibraries(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager);
 
+    Status fetchBinderizedEntry(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager,
+                                TableEntry *entry);
+
+    // Get relevant information for a PID by parsing files under /d/binder.
+    // It is a virtual member function so that it can be mocked.
     virtual bool getPidInfo(pid_t serverPid, PidInfo *info) const;
+    // Retrieve from mCachedPidInfos and call getPidInfo if necessary.
+    const PidInfo* getPidInfoCached(pid_t serverPid);
 
     void dumpTable(const NullableOStream<std::ostream>& out) const;
     void dumpVintf(const NullableOStream<std::ostream>& out) const;
@@ -129,6 +136,9 @@
     // If an entry exist and not empty, it contains the cached content of /proc/{pid}/cmdline.
     std::map<pid_t, std::string> mCmdlines;
 
+    // Cache for getPidInfo.
+    std::map<pid_t, PidInfo> mCachedPidInfos;
+
     RegisteredOptions mOptions;
     // All selected columns
     std::vector<TableColumnType> mSelectedColumns;
diff --git a/cmds/lshal/TableEntry.cpp b/cmds/lshal/TableEntry.cpp
index cbcf979..e8792a4 100644
--- a/cmds/lshal/TableEntry.cpp
+++ b/cmds/lshal/TableEntry.cpp
@@ -16,6 +16,8 @@
 #define LOG_TAG "lshal"
 #include <android-base/logging.h>
 
+#include <hidl-hash/Hash.h>
+
 #include "TableEntry.h"
 
 #include "TextTable.h"
@@ -53,8 +55,10 @@
         case TableColumnType::CLIENT_CMDS:      return "Clients CMD";
         case TableColumnType::ARCH:             return "Arch";
         case TableColumnType::THREADS:          return "Thread Use";
+        case TableColumnType::RELEASED:         return "R";
+        case TableColumnType::HASH:             return "Hash";
         default:
-            LOG(FATAL) << "Should not reach here.";
+            LOG(FATAL) << __func__ << "Should not reach here. " << static_cast<int>(type);
             return "";
     }
 }
@@ -79,12 +83,25 @@
             return getArchString(arch);
         case TableColumnType::THREADS:
             return getThreadUsage();
+        case TableColumnType::RELEASED:
+            return isReleased();
+        case TableColumnType::HASH:
+            return hash;
         default:
-            LOG(FATAL) << "Should not reach here.";
+            LOG(FATAL) << __func__ << "Should not reach here. " << static_cast<int>(type);
             return "";
     }
 }
 
+std::string TableEntry::isReleased() const {
+    static const std::string unreleased = Hash::hexString(Hash::kEmptyHash);
+
+    if (hash.empty() || hash == unreleased) {
+        return " "; // unknown or unreleased
+    }
+    return "Y"; // released
+}
+
 TextTable Table::createTextTable(bool neat,
     const std::function<std::string(const std::string&)>& emitDebugInfo) const {
 
diff --git a/cmds/lshal/TableEntry.h b/cmds/lshal/TableEntry.h
index 7a3b22e..69206cc 100644
--- a/cmds/lshal/TableEntry.h
+++ b/cmds/lshal/TableEntry.h
@@ -55,19 +55,28 @@
     CLIENT_CMDS,
     ARCH,
     THREADS,
+    RELEASED,
+    HASH,
+};
+
+enum {
+    NO_PID = -1,
+    NO_PTR = 0
 };
 
 struct TableEntry {
-    std::string interfaceName;
-    std::string transport;
-    int32_t serverPid;
-    uint32_t threadUsage;
-    uint32_t threadCount;
-    std::string serverCmdline;
-    uint64_t serverObjectAddress;
-    Pids clientPids;
-    std::vector<std::string> clientCmdlines;
-    Architecture arch;
+    std::string interfaceName{};
+    std::string transport{};
+    int32_t serverPid{NO_PID};
+    uint32_t threadUsage{0};
+    uint32_t threadCount{0};
+    std::string serverCmdline{};
+    uint64_t serverObjectAddress{NO_PTR};
+    Pids clientPids{};
+    std::vector<std::string> clientCmdlines{};
+    Architecture arch{ARCH_UNKNOWN};
+    // empty: unknown, all zeros: unreleased, otherwise: released
+    std::string hash{};
 
     static bool sortByInterfaceName(const TableEntry &a, const TableEntry &b) {
         return a.interfaceName < b.interfaceName;
@@ -84,6 +93,8 @@
         return std::to_string(threadUsage) + "/" + std::to_string(threadCount);
     }
 
+    std::string isReleased() const;
+
     std::string getField(TableColumnType type) const;
 
     bool operator==(const TableEntry& other) const;
@@ -129,11 +140,6 @@
     std::vector<const Table*> mTables;
 };
 
-enum {
-    NO_PID = -1,
-    NO_PTR = 0
-};
-
 }  // namespace lshal
 }  // namespace android
 
diff --git a/cmds/lshal/test.cpp b/cmds/lshal/test.cpp
index 06b6819..9220fc0 100644
--- a/cmds/lshal/test.cpp
+++ b/cmds/lshal/test.cpp
@@ -39,6 +39,7 @@
 using ::android::hidl::base::V1_0::IBase;
 using ::android::hidl::manager::V1_0::IServiceManager;
 using ::android::hidl::manager::V1_0::IServiceNotification;
+using ::android::hardware::hidl_array;
 using ::android::hardware::hidl_death_recipient;
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
@@ -46,6 +47,8 @@
 
 using InstanceDebugInfo = IServiceManager::InstanceDebugInfo;
 
+using hidl_hash = hidl_array<uint8_t, 32>;
+
 namespace android {
 namespace hardware {
 namespace tests {
@@ -185,6 +188,9 @@
 
     Status parseArgs(const Arg& arg) { return ListCommand::parseArgs(arg); }
     Status main(const Arg& arg) { return ListCommand::main(arg); }
+    void forEachTable(const std::function<void(Table &)> &f) {
+        return ListCommand::forEachTable(f);
+    }
     void forEachTable(const std::function<void(const Table &)> &f) const {
         return ListCommand::forEachTable(f);
     }
@@ -192,7 +198,12 @@
     void dumpVintf(const NullableOStream<std::ostream>& out) {
         return ListCommand::dumpVintf(out);
     }
+    void internalPostprocess() { ListCommand::postprocess(); }
+    const PidInfo* getPidInfoCached(pid_t serverPid) {
+        return ListCommand::getPidInfoCached(serverPid);
+    }
 
+    MOCK_METHOD0(postprocess, void());
     MOCK_CONST_METHOD2(getPidInfo, bool(pid_t, PidInfo*));
     MOCK_CONST_METHOD1(parseCmdline, std::string(pid_t));
 };
@@ -210,16 +221,6 @@
     std::stringstream output;
 };
 
-TEST_F(ListParseArgsTest, Default) {
-    // default args
-    EXPECT_EQ(0u, mockList->parseArgs(createArg({})));
-    mockList->forEachTable([](const Table& table) {
-        EXPECT_EQ(SelectedColumns({TableColumnType::INTERFACE_NAME, TableColumnType::THREADS,
-                                   TableColumnType::SERVER_PID, TableColumnType::CLIENT_PIDS}),
-                  table.getSelectedColumns());
-    });
-}
-
 TEST_F(ListParseArgsTest, Args) {
     EXPECT_EQ(0u, mockList->parseArgs(createArg({"lshal", "-p", "-i", "-a", "-c"})));
     mockList->forEachTable([](const Table& table) {
@@ -232,9 +233,14 @@
 TEST_F(ListParseArgsTest, Cmds) {
     EXPECT_EQ(0u, mockList->parseArgs(createArg({"lshal", "-m"})));
     mockList->forEachTable([](const Table& table) {
-        EXPECT_EQ(SelectedColumns({TableColumnType::INTERFACE_NAME, TableColumnType::THREADS,
-                                   TableColumnType::SERVER_CMD, TableColumnType::CLIENT_CMDS}),
-                  table.getSelectedColumns());
+        EXPECT_THAT(table.getSelectedColumns(), Not(Contains(TableColumnType::SERVER_PID)))
+                << "should not print server PID with -m";
+        EXPECT_THAT(table.getSelectedColumns(), Not(Contains(TableColumnType::CLIENT_PIDS)))
+                << "should not print client PIDs with -m";
+        EXPECT_THAT(table.getSelectedColumns(), Contains(TableColumnType::SERVER_CMD))
+                << "should print server cmd with -m";
+        EXPECT_THAT(table.getSelectedColumns(), Contains(TableColumnType::CLIENT_CMDS))
+                << "should print client cmds with -m";
     });
 }
 
@@ -274,17 +280,34 @@
     if (serverId == NO_PID) return "";
     return "command_line_" + std::to_string(serverId);
 }
+static bool getIsReleasedFromId(pid_t p) { return p % 2 == 0; }
+static hidl_hash getHashFromId(pid_t serverId) {
+    hidl_hash hash;
+    bool isReleased = getIsReleasedFromId(serverId);
+    for (size_t i = 0; i < hash.size(); ++i) {
+        hash[i] = isReleased ? static_cast<uint8_t>(serverId) : 0u;
+    }
+    return hash;
+}
 
 // Fake service returned by mocked IServiceManager::get.
 class TestService : public IBase {
 public:
-    TestService(DebugInfo&& info) : mInfo(std::move(info)) {}
+    TestService(pid_t id) : mId(id) {}
     hardware::Return<void> getDebugInfo(getDebugInfo_cb cb) override {
-        cb(mInfo);
+        cb({ mId /* pid */, getPtr(mId), DebugInfo::Architecture::IS_64BIT });
+        return hardware::Void();
+    }
+    hardware::Return<void> interfaceChain(interfaceChain_cb cb) override {
+        cb({getInterfaceName(mId), IBase::descriptor});
+        return hardware::Void();
+    }
+    hardware::Return<void> getHashChain(getHashChain_cb cb) override {
+        cb({getHashFromId(mId), getHashFromId(0xff)});
         return hardware::Void();
     }
 private:
-    DebugInfo mInfo;
+    pid_t mId;
 };
 
 class ListTest : public ::testing::Test {
@@ -303,6 +326,13 @@
                 return true;
             }));
         ON_CALL(*mockList, parseCmdline(_)).WillByDefault(Invoke(&getCmdlineFromId));
+        ON_CALL(*mockList, postprocess()).WillByDefault(Invoke([&]() {
+            mockList->internalPostprocess();
+            size_t i = 0;
+            mockList->forEachTable([&](Table& table) {
+                table.setDescription("[fake description " + std::to_string(i++) + "]");
+            });
+        }));
     }
 
     void initMockServiceManager() {
@@ -318,7 +348,7 @@
         ON_CALL(*serviceManager, get(_, _)).WillByDefault(Invoke(
             [&](const hidl_string&, const hidl_string& instance) {
                 int id = getIdFromInstanceName(instance);
-                return sp<IBase>(new TestService({ id /* pid */, getPtr(id), A::IS_64BIT }));
+                return sp<IBase>(new TestService(id));
             }));
 
         ON_CALL(*serviceManager, debugDump(_)).WillByDefault(Invoke(
@@ -348,6 +378,13 @@
     sp<MockServiceManager> passthruManager;
 };
 
+TEST_F(ListTest, GetPidInfoCached) {
+    EXPECT_CALL(*mockList, getPidInfo(5, _)).Times(1);
+
+    EXPECT_NE(nullptr, mockList->getPidInfoCached(5));
+    EXPECT_NE(nullptr, mockList->getPidInfoCached(5));
+}
+
 TEST_F(ListTest, Fetch) {
     EXPECT_EQ(0u, mockList->fetch());
     std::array<std::string, 6> transports{{"hwbinder", "hwbinder", "passthrough",
@@ -456,24 +493,68 @@
         << vintf::gHalManifestConverter.lastError();
 }
 
+// test default columns
+TEST_F(ListTest, DumpDefault) {
+    const std::string expected =
+        "[fake description 0]\n"
+        "R Interface            Thread Use Server Clients\n"
+        "  a.h.foo1@1.0::IFoo/1 11/21      1      2 4\n"
+        "Y a.h.foo2@2.0::IFoo/2 12/22      2      3 5\n"
+        "\n"
+        "[fake description 1]\n"
+        "R Interface            Thread Use Server Clients\n"
+        "  a.h.foo3@3.0::IFoo/3 N/A        N/A    4 6\n"
+        "  a.h.foo4@4.0::IFoo/4 N/A        N/A    5 7\n"
+        "\n"
+        "[fake description 2]\n"
+        "R Interface            Thread Use Server Clients\n"
+        "  a.h.foo5@5.0::IFoo/5 N/A        N/A    6 8\n"
+        "  a.h.foo6@6.0::IFoo/6 N/A        N/A    7 9\n"
+        "\n";
+
+    optind = 1; // mimic Lshal::parseArg()
+    EXPECT_EQ(0u, mockList->main(createArg({"lshal"})));
+    EXPECT_EQ(expected, out.str());
+    EXPECT_EQ("", err.str());
+}
+
+TEST_F(ListTest, DumpHash) {
+    const std::string expected =
+        "[fake description 0]\n"
+        "Interface            R Hash\n"
+        "a.h.foo1@1.0::IFoo/1   0000000000000000000000000000000000000000000000000000000000000000\n"
+        "a.h.foo2@2.0::IFoo/2 Y 0202020202020202020202020202020202020202020202020202020202020202\n"
+        "\n"
+        "[fake description 1]\n"
+        "Interface            R Hash\n"
+        "a.h.foo3@3.0::IFoo/3   \n"
+        "a.h.foo4@4.0::IFoo/4   \n"
+        "\n"
+        "[fake description 2]\n"
+        "Interface            R Hash\n"
+        "a.h.foo5@5.0::IFoo/5   \n"
+        "a.h.foo6@6.0::IFoo/6   \n"
+        "\n";
+
+    optind = 1; // mimic Lshal::parseArg()
+    EXPECT_EQ(0u, mockList->main(createArg({"lshal", "-ils"})));
+    EXPECT_EQ(expected, out.str());
+    EXPECT_EQ("", err.str());
+}
+
 TEST_F(ListTest, Dump) {
     const std::string expected =
-        "All binderized services (registered services through hwservicemanager)\n"
+        "[fake description 0]\n"
         "Interface            Transport Arch Thread Use Server PTR              Clients\n"
         "a.h.foo1@1.0::IFoo/1 hwbinder  64   11/21      1      0000000000002711 2 4\n"
         "a.h.foo2@2.0::IFoo/2 hwbinder  64   12/22      2      0000000000002712 3 5\n"
         "\n"
-        "All interfaces that getService() has ever return as a passthrough interface;\n"
-        "PIDs / processes shown below might be inaccurate because the process\n"
-        "might have relinquished the interface or might have died.\n"
-        "The Server / Server CMD column can be ignored.\n"
-        "The Clients / Clients CMD column shows all process that have ever dlopen'ed \n"
-        "the library and successfully fetched the passthrough implementation.\n"
+        "[fake description 1]\n"
         "Interface            Transport   Arch Thread Use Server PTR Clients\n"
         "a.h.foo3@3.0::IFoo/3 passthrough 32   N/A        N/A    N/A 4 6\n"
         "a.h.foo4@4.0::IFoo/4 passthrough 32   N/A        N/A    N/A 5 7\n"
         "\n"
-        "All available passthrough implementations (all -impl.so files)\n"
+        "[fake description 2]\n"
         "Interface            Transport   Arch Thread Use Server PTR Clients\n"
         "a.h.foo5@5.0::IFoo/5 passthrough 32   N/A        N/A    N/A 6 8\n"
         "a.h.foo6@6.0::IFoo/6 passthrough 32   N/A        N/A    N/A 7 9\n"
@@ -487,22 +568,17 @@
 
 TEST_F(ListTest, DumpCmdline) {
     const std::string expected =
-        "All binderized services (registered services through hwservicemanager)\n"
+        "[fake description 0]\n"
         "Interface            Transport Arch Thread Use Server CMD     PTR              Clients CMD\n"
         "a.h.foo1@1.0::IFoo/1 hwbinder  64   11/21      command_line_1 0000000000002711 command_line_2;command_line_4\n"
         "a.h.foo2@2.0::IFoo/2 hwbinder  64   12/22      command_line_2 0000000000002712 command_line_3;command_line_5\n"
         "\n"
-        "All interfaces that getService() has ever return as a passthrough interface;\n"
-        "PIDs / processes shown below might be inaccurate because the process\n"
-        "might have relinquished the interface or might have died.\n"
-        "The Server / Server CMD column can be ignored.\n"
-        "The Clients / Clients CMD column shows all process that have ever dlopen'ed \n"
-        "the library and successfully fetched the passthrough implementation.\n"
+        "[fake description 1]\n"
         "Interface            Transport   Arch Thread Use Server CMD PTR Clients CMD\n"
         "a.h.foo3@3.0::IFoo/3 passthrough 32   N/A                   N/A command_line_4;command_line_6\n"
         "a.h.foo4@4.0::IFoo/4 passthrough 32   N/A                   N/A command_line_5;command_line_7\n"
         "\n"
-        "All available passthrough implementations (all -impl.so files)\n"
+        "[fake description 2]\n"
         "Interface            Transport   Arch Thread Use Server CMD PTR Clients CMD\n"
         "a.h.foo5@5.0::IFoo/5 passthrough 32   N/A                   N/A command_line_6;command_line_8\n"
         "a.h.foo6@6.0::IFoo/6 passthrough 32   N/A                   N/A command_line_7;command_line_9\n"
@@ -524,7 +600,7 @@
         "a.h.foo6@6.0::IFoo/6 N/A   N/A 7 9\n";
 
     optind = 1; // mimic Lshal::parseArg()
-    EXPECT_EQ(0u, mockList->main(createArg({"lshal", "--neat"})));
+    EXPECT_EQ(0u, mockList->main(createArg({"lshal", "-iepc", "--neat"})));
     EXPECT_EQ(expected, out.str());
     EXPECT_EQ("", err.str());
 }
diff --git a/cmds/lshal/utils.h b/cmds/lshal/utils.h
index 7eca14e..c09e8b1 100644
--- a/cmds/lshal/utils.h
+++ b/cmds/lshal/utils.h
@@ -44,6 +44,8 @@
     NO_INTERFACE                            = 1 << 7,
     // Transaction error from hwbinder transactions
     TRANSACTION_ERROR                       = 1 << 8,
+    // No transaction error, but return value is unexpected.
+    BAD_IMPL                                = 1 << 9,
 };
 using Status = unsigned int;
 
diff --git a/cmds/servicemanager/service_manager.c b/cmds/servicemanager/service_manager.c
index 31cd0cb..6b340a8 100644
--- a/cmds/servicemanager/service_manager.c
+++ b/cmds/servicemanager/service_manager.c
@@ -138,6 +138,7 @@
     uint32_t handle;
     struct binder_death death;
     int allow_isolated;
+    uint32_t dumpsys_priority;
     size_t len;
     uint16_t name[0];
 };
@@ -198,11 +199,8 @@
     return si->handle;
 }
 
-int do_add_service(struct binder_state *bs,
-                   const uint16_t *s, size_t len,
-                   uint32_t handle, uid_t uid, int allow_isolated,
-                   pid_t spid)
-{
+int do_add_service(struct binder_state *bs, const uint16_t *s, size_t len, uint32_t handle,
+                   uid_t uid, int allow_isolated, uint32_t dumpsys_priority, pid_t spid) {
     struct svcinfo *si;
 
     //ALOGI("add_service('%s',%x,%s) uid=%d\n", str8(s, len), handle,
@@ -239,6 +237,7 @@
         si->death.func = (void*) svcinfo_death;
         si->death.ptr = si;
         si->allow_isolated = allow_isolated;
+        si->dumpsys_priority = dumpsys_priority;
         si->next = svclist;
         svclist = si;
     }
@@ -259,6 +258,7 @@
     uint32_t handle;
     uint32_t strict_policy;
     int allow_isolated;
+    uint32_t dumpsys_priority;
 
     //ALOGI("target=%p code=%d pid=%d uid=%d\n",
     //      (void*) txn->target.ptr, txn->code, txn->sender_pid, txn->sender_euid);
@@ -317,13 +317,15 @@
         }
         handle = bio_get_ref(msg);
         allow_isolated = bio_get_uint32(msg) ? 1 : 0;
-        if (do_add_service(bs, s, len, handle, txn->sender_euid,
-            allow_isolated, txn->sender_pid))
+        dumpsys_priority = bio_get_uint32(msg);
+        if (do_add_service(bs, s, len, handle, txn->sender_euid, allow_isolated, dumpsys_priority,
+                           txn->sender_pid))
             return -1;
         break;
 
     case SVC_MGR_LIST_SERVICES: {
         uint32_t n = bio_get_uint32(msg);
+        uint32_t req_dumpsys_priority = bio_get_uint32(msg);
 
         if (!svc_can_list(txn->sender_pid, txn->sender_euid)) {
             ALOGE("list_service() uid=%d - PERMISSION DENIED\n",
@@ -331,8 +333,15 @@
             return -1;
         }
         si = svclist;
-        while ((n-- > 0) && si)
+        // walk through the list of services n times skipping services that
+        // do not support the requested priority
+        while (si) {
+            if (si->dumpsys_priority & req_dumpsys_priority) {
+                if (n == 0) break;
+                n--;
+            }
             si = si->next;
+        }
         if (si) {
             bio_put_string16(reply, si->name);
             return 0;
diff --git a/data/etc/handheld_core_hardware.xml b/data/etc/handheld_core_hardware.xml
index 0d5d206..ec7be53 100644
--- a/data/etc/handheld_core_hardware.xml
+++ b/data/etc/handheld_core_hardware.xml
@@ -45,7 +45,7 @@
     <feature name="android.software.backup" />
     <feature name="android.software.home_screen" />
     <feature name="android.software.input_methods" />
-    <feature name="android.software.picture_in_picture" />
+    <feature name="android.software.picture_in_picture" notLowRam="true" />
     <feature name="android.software.activities_on_secondary_displays" />
     <feature name="android.software.print" />
     <feature name="android.software.companion_device_setup" />
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index 0b390c5..1c3fab4 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -686,7 +686,7 @@
 #if LOG_REFCOUNTS
     ALOGV("IPCThreadState::expungeHandle(%ld)\n", handle);
 #endif
-    self()->mProcess->expungeHandle(handle, binder);
+    self()->mProcess->expungeHandle(handle, binder); // NOLINT
 }
 
 status_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy)
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index c7a0f43..70f5108 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -161,19 +161,18 @@
     }
 
     virtual status_t addService(const String16& name, const sp<IBinder>& service,
-            bool allowIsolated)
-    {
+                                bool allowIsolated, int dumpsysPriority) {
         Parcel data, reply;
         data.writeInterfaceToken(IServiceManager::getInterfaceDescriptor());
         data.writeString16(name);
         data.writeStrongBinder(service);
         data.writeInt32(allowIsolated ? 1 : 0);
+        data.writeInt32(dumpsysPriority);
         status_t err = remote()->transact(ADD_SERVICE_TRANSACTION, data, &reply);
         return err == NO_ERROR ? reply.readExceptionCode() : err;
     }
 
-    virtual Vector<String16> listServices()
-    {
+    virtual Vector<String16> listServices(int dumpsysPriority) {
         Vector<String16> res;
         int n = 0;
 
@@ -181,6 +180,7 @@
             Parcel data, reply;
             data.writeInterfaceToken(IServiceManager::getInterfaceDescriptor());
             data.writeInt32(n++);
+            data.writeInt32(dumpsysPriority);
             status_t err = remote()->transact(LIST_SERVICES_TRANSACTION, data, &reply);
             if (err != NO_ERROR)
                 break;
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index 6b7254c..3264666 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -38,4 +38,20 @@
      * strings.
      */
     @utf8InCpp String[] getNamesForUids(in int[] uids);
+
+    /**
+     * Returns the name of the installer (a package) which installed the named
+     * package. Preloaded packages return the string "preload". Sideloaded packages
+     * return an empty string. Unknown or unknowable are returned as empty strings.
+     */
+
+    @utf8InCpp String getInstallerForPackage(in String packageName);
+
+    /**
+     * Returns the version code of the named package.
+     * Unknown or unknowable versions are returned as 0.
+     */
+
+    int getVersionCodeForPackage(in String packageName);
+
 }
diff --git a/libs/binder/include/binder/BinderService.h b/libs/binder/include/binder/BinderService.h
index ef703bd..4e69067 100644
--- a/libs/binder/include/binder/BinderService.h
+++ b/libs/binder/include/binder/BinderService.h
@@ -34,15 +34,16 @@
 class BinderService
 {
 public:
-    static status_t publish(bool allowIsolated = false) {
+    static status_t publish(bool allowIsolated = false,
+                            int dumpPriority = IServiceManager::DUMP_PRIORITY_NORMAL) {
         sp<IServiceManager> sm(defaultServiceManager());
-        return sm->addService(
-                String16(SERVICE::getServiceName()),
-                new SERVICE(), allowIsolated);
+        return sm->addService(String16(SERVICE::getServiceName()), new SERVICE(), allowIsolated,
+                              dumpPriority);
     }
 
-    static void publishAndJoinThreadPool(bool allowIsolated = false) {
-        publish(allowIsolated);
+    static void publishAndJoinThreadPool(bool allowIsolated = false,
+                                         int dumpPriority = IServiceManager::DUMP_PRIORITY_NORMAL) {
+        publish(allowIsolated, dumpPriority);
         joinThreadPool();
     }
 
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index 3b23f81..78b03bd 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -31,6 +31,14 @@
 {
 public:
     DECLARE_META_INTERFACE(ServiceManager)
+    /*
+     * Must match values in IServiceManager.java
+     */
+    static const int DUMP_PRIORITY_CRITICAL = 1 << 0;
+    static const int DUMP_PRIORITY_HIGH = 1 << 1;
+    static const int DUMP_PRIORITY_NORMAL = 1 << 2;
+    static const int DUMP_PRIORITY_ALL =
+            DUMP_PRIORITY_CRITICAL | DUMP_PRIORITY_HIGH | DUMP_PRIORITY_NORMAL;
 
     /**
      * Retrieve an existing service, blocking for a few seconds
@@ -46,14 +54,14 @@
     /**
      * Register a service.
      */
-    virtual status_t            addService( const String16& name,
-                                            const sp<IBinder>& service,
-                                            bool allowIsolated = false) = 0;
+    virtual status_t addService(const String16& name, const sp<IBinder>& service,
+                                bool allowIsolated = false,
+                                int dumpsysPriority = DUMP_PRIORITY_NORMAL) = 0;
 
     /**
      * Return list of all existing services.
      */
-    virtual Vector<String16>    listServices() = 0;
+    virtual Vector<String16> listServices(int dumpsysPriority = DUMP_PRIORITY_ALL) = 0;
 
     enum {
         GET_SERVICE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
diff --git a/libs/gui/LayerDebugInfo.cpp b/libs/gui/LayerDebugInfo.cpp
index 57ddde0..d3dc16d 100644
--- a/libs/gui/LayerDebugInfo.cpp
+++ b/libs/gui/LayerDebugInfo.cpp
@@ -43,7 +43,10 @@
     RETURN_ON_ERROR(parcel->writeInt32(mHeight));
     RETURN_ON_ERROR(parcel->write(mCrop));
     RETURN_ON_ERROR(parcel->write(mFinalCrop));
-    RETURN_ON_ERROR(parcel->writeFloat(mAlpha));
+    RETURN_ON_ERROR(parcel->writeFloat(mColor.r));
+    RETURN_ON_ERROR(parcel->writeFloat(mColor.g));
+    RETURN_ON_ERROR(parcel->writeFloat(mColor.b));
+    RETURN_ON_ERROR(parcel->writeFloat(mColor.a));
     RETURN_ON_ERROR(parcel->writeUint32(mFlags));
     RETURN_ON_ERROR(parcel->writeInt32(mPixelFormat));
     RETURN_ON_ERROR(parcel->writeUint32(static_cast<uint32_t>(mDataSpace)));
@@ -79,7 +82,14 @@
     RETURN_ON_ERROR(parcel->readInt32(&mHeight));
     RETURN_ON_ERROR(parcel->read(mCrop));
     RETURN_ON_ERROR(parcel->read(mFinalCrop));
-    RETURN_ON_ERROR(parcel->readFloat(&mAlpha));
+    mColor.r = parcel->readFloat();
+    RETURN_ON_ERROR(parcel->errorCheck());
+    mColor.g = parcel->readFloat();
+    RETURN_ON_ERROR(parcel->errorCheck());
+    mColor.b = parcel->readFloat();
+    RETURN_ON_ERROR(parcel->errorCheck());
+    mColor.a = parcel->readFloat();
+    RETURN_ON_ERROR(parcel->errorCheck());
     RETURN_ON_ERROR(parcel->readUint32(&mFlags));
     RETURN_ON_ERROR(parcel->readInt32(&mPixelFormat));
     // \todo [2017-07-25 kraita]: Static casting mDataSpace pointer to an uint32 does work. Better ways?
@@ -116,8 +126,10 @@
     result.appendFormat("isOpaque=%1d, invalidate=%1d, ", info.mIsOpaque, info.mContentDirty);
     result.appendFormat("dataspace=%s, ", dataspaceDetails(info.mDataSpace).c_str());
     result.appendFormat("pixelformat=%s, ", decodePixelFormat(info.mPixelFormat).c_str());
-    result.appendFormat("alpha=%.3f, flags=0x%08x, ",
-            static_cast<double>(info.mAlpha), info.mFlags);
+    result.appendFormat("color=(%.3f,%.3f,%.3f,%.3f), flags=0x%08x, ",
+            static_cast<double>(info.mColor.r), static_cast<double>(info.mColor.g),
+            static_cast<double>(info.mColor.b), static_cast<double>(info.mColor.a),
+            info.mFlags);
     result.appendFormat("tr=[%.2f, %.2f][%.2f, %.2f]",
             static_cast<double>(info.mMatrix[0][0]), static_cast<double>(info.mMatrix[0][1]),
             static_cast<double>(info.mMatrix[1][0]), static_cast<double>(info.mMatrix[1][1]));
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 573f685..fcee73f 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -46,7 +46,9 @@
     output.writeStrongBinder(IInterface::asBinder(barrierGbp));
     output.writeStrongBinder(relativeLayerHandle);
     output.writeStrongBinder(parentHandleForChild);
-    output.writeStrongBinder(childHandle);
+    output.writeFloat(color.r);
+    output.writeFloat(color.g);
+    output.writeFloat(color.b);
     output.write(transparentRegion);
     return NO_ERROR;
 }
@@ -80,7 +82,9 @@
         interface_cast<IGraphicBufferProducer>(input.readStrongBinder());
     relativeLayerHandle = input.readStrongBinder();
     parentHandleForChild = input.readStrongBinder();
-    childHandle = input.readStrongBinder();
+    color.r = input.readFloat();
+    color.g = input.readFloat();
+    color.b = input.readFloat();
     input.read(transparentRegion);
     return NO_ERROR;
 }
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index b0ae7e0..c5a4389 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -158,6 +158,8 @@
             const Region& transparentRegion);
     status_t setAlpha(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
             float alpha);
+    status_t setColor(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
+            const half3& color);
     status_t setMatrix(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
             float dsdx, float dtdx, float dtdy, float dsdy);
     status_t setOrientation(int orientation);
@@ -176,9 +178,8 @@
     status_t reparentChildren(const sp<SurfaceComposerClient>& client,
             const sp<IBinder>& id,
             const sp<IBinder>& newParentHandle);
-    status_t reparentChild(const sp<SurfaceComposerClient>& client,
-            const sp<IBinder>& id, const sp<IBinder>& newParentHandle,
-            const sp<IBinder>& childHandle);
+    status_t reparent(const sp<SurfaceComposerClient>& client,
+            const sp<IBinder>& id, const sp<IBinder>& newParentHandle);
     status_t detachChildren(const sp<SurfaceComposerClient>& client,
             const sp<IBinder>& id);
     status_t setOverrideScalingMode(const sp<SurfaceComposerClient>& client,
@@ -403,6 +404,17 @@
     return NO_ERROR;
 }
 
+status_t Composer::setColor(const sp<SurfaceComposerClient>& client,
+        const sp<IBinder>& id, const half3& color) {
+    Mutex::Autolock _l(mLock);
+    layer_state_t* s = getLayerStateLocked(client, id);
+    if (!s)
+        return BAD_INDEX;
+    s->what |= layer_state_t::eColorChanged;
+    s->color = color;
+    return NO_ERROR;
+}
+
 status_t Composer::setLayerStack(const sp<SurfaceComposerClient>& client,
         const sp<IBinder>& id, uint32_t layerStack) {
     Mutex::Autolock _l(mLock);
@@ -496,18 +508,16 @@
     return NO_ERROR;
 }
 
-status_t Composer::reparentChild(const sp<SurfaceComposerClient>& client,
+status_t Composer::reparent(const sp<SurfaceComposerClient>& client,
         const sp<IBinder>& id,
-        const sp<IBinder>& newParentHandle,
-        const sp<IBinder>& childHandle) {
+        const sp<IBinder>& newParentHandle) {
     Mutex::Autolock lock(mLock);
     layer_state_t* s = getLayerStateLocked(client, id);
     if (!s) {
         return BAD_INDEX;
     }
-    s->what |= layer_state_t::eReparentChild;
+    s->what |= layer_state_t::eReparent;
     s->parentHandleForChild = newParentHandle;
-    s->childHandle = childHandle;
     return NO_ERROR;
 }
 
@@ -825,6 +835,10 @@
     return getComposer().setAlpha(this, id, alpha);
 }
 
+status_t SurfaceComposerClient::setColor(const sp<IBinder>& id, const half3& color) {
+    return getComposer().setColor(this, id, color);
+}
+
 status_t SurfaceComposerClient::setLayerStack(const sp<IBinder>& id, uint32_t layerStack) {
     return getComposer().setLayerStack(this, id, layerStack);
 }
@@ -849,9 +863,9 @@
     return getComposer().reparentChildren(this, id, newParentHandle);
 }
 
-status_t SurfaceComposerClient::reparentChild(const sp<IBinder>& id,
-        const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle) {
-    return getComposer().reparentChild(this, id, newParentHandle, childHandle);
+status_t SurfaceComposerClient::reparent(const sp<IBinder>& id,
+        const sp<IBinder>& newParentHandle) {
+    return getComposer().reparent(this, id, newParentHandle);
 }
 
 status_t SurfaceComposerClient::detachChildren(const sp<IBinder>& id) {
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index b9c5ef9..9e1d7b6 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -155,6 +155,11 @@
     if (err < 0) return err;
     return mClient->setAlpha(mHandle, alpha);
 }
+status_t SurfaceControl::setColor(const half3& color) {
+    status_t err = validate();
+    if (err < 0) return err;
+    return mClient->setColor(mHandle, color);
+}
 status_t SurfaceControl::setMatrix(float dsdx, float dtdx, float dtdy, float dsdy) {
     status_t err = validate();
     if (err < 0) return err;
@@ -191,11 +196,10 @@
     return mClient->reparentChildren(mHandle, newParentHandle);
 }
 
-status_t SurfaceControl::reparentChild(const sp<IBinder>& newParentHandle,
-        const sp<IBinder>& childHandle) {
+status_t SurfaceControl::reparent(const sp<IBinder>& newParentHandle) {
     status_t err = validate();
     if (err < 0) return err;
-    return mClient->reparentChild(mHandle, newParentHandle, childHandle);
+    return mClient->reparent(mHandle, newParentHandle);
 }
 
 status_t SurfaceControl::detachChildren() {
diff --git a/libs/gui/include/gui/ISurfaceComposerClient.h b/libs/gui/include/gui/ISurfaceComposerClient.h
index 2c613ea..d5bbef2 100644
--- a/libs/gui/include/gui/ISurfaceComposerClient.h
+++ b/libs/gui/include/gui/ISurfaceComposerClient.h
@@ -41,7 +41,7 @@
         eCursorWindow = 0x00002000,
 
         eFXSurfaceNormal = 0x00000000,
-        eFXSurfaceDim = 0x00020000,
+        eFXSurfaceColor = 0x00020000,
         eFXSurfaceMask = 0x000F0000,
     };
 
diff --git a/libs/gui/include/gui/LayerDebugInfo.h b/libs/gui/include/gui/LayerDebugInfo.h
index 8453e04..92bd8c5 100644
--- a/libs/gui/include/gui/LayerDebugInfo.h
+++ b/libs/gui/include/gui/LayerDebugInfo.h
@@ -22,6 +22,7 @@
 #include <ui/Region.h>
 
 #include <string>
+#include <math/vec4.h>
 
 namespace android {
 
@@ -52,7 +53,7 @@
     int32_t mHeight = -1;
     Rect mCrop = Rect::INVALID_RECT;
     Rect mFinalCrop = Rect::INVALID_RECT;
-    float mAlpha = 0.f;
+    half4 mColor = half4(1.0_hf, 1.0_hf, 1.0_hf, 0.0_hf);
     uint32_t mFlags = 0;
     PixelFormat mPixelFormat = PIXEL_FORMAT_NONE;
     android_dataspace mDataSpace = HAL_DATASPACE_UNKNOWN;
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 6e2cb83..1718143 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -32,6 +32,7 @@
 
 #include <gui/CpuConsumer.h>
 #include <gui/SurfaceControl.h>
+#include <math/vec3.h>
 
 namespace android {
 
@@ -149,6 +150,7 @@
     status_t    setRelativeLayer(const sp<IBinder>& id,
             const sp<IBinder>& relativeTo, int32_t layer);
     status_t    setAlpha(const sp<IBinder>& id, float alpha=1.0f);
+    status_t    setColor(const sp<IBinder>& id, const half3& color);
     status_t    setMatrix(const sp<IBinder>& id, float dsdx, float dtdx, float dtdy, float dsdy);
     status_t    setPosition(const sp<IBinder>& id, float x, float y);
     status_t    setSize(const sp<IBinder>& id, uint32_t w, uint32_t h);
@@ -161,8 +163,7 @@
             const sp<Surface>& handle, uint64_t frameNumber);
     status_t    reparentChildren(const sp<IBinder>& id,
             const sp<IBinder>& newParentHandle);
-    status_t    reparentChild(const sp<IBinder>& id, const sp<IBinder>& newParentHandle,
-            const sp<IBinder>& childHandle);
+    status_t    reparent(const sp<IBinder>& id, const sp<IBinder>& newParentHandle);
     status_t    detachChildren(const sp<IBinder>& id);
     status_t    setOverrideScalingMode(const sp<IBinder>& id,
             int32_t overrideScalingMode);
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index d8b67ef..e98e26a 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -29,6 +29,7 @@
 #include <ui/Region.h>
 
 #include <gui/ISurfaceComposerClient.h>
+#include <math/vec3.h>
 
 namespace android {
 
@@ -90,6 +91,7 @@
     status_t    setFlags(uint32_t flags, uint32_t mask);
     status_t    setTransparentRegionHint(const Region& transparent);
     status_t    setAlpha(float alpha=1.0f);
+    status_t    setColor(const half3& color);
 
     // Experimentarily it appears that the matrix transforms the
     // on-screen rectangle and it's contents before the position is
@@ -124,11 +126,10 @@
     // Reparents all children of this layer to the new parent handle.
     status_t reparentChildren(const sp<IBinder>& newParentHandle);
 
-    // Reparents a specified child from this layer to the new parent handle.
-    // The child, parent, and new parent must all have the same client.
+    // Reparents the current layer to the new parent handle. The new parent must not be null.
     // This can be used instead of reparentChildren if the caller wants to
-    // only re-parent specific children.
-    status_t reparentChild(const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle);
+    // only re-parent a specific child.
+    status_t reparent(const sp<IBinder>& newParentHandle);
 
     // Detaches all child surfaces (and their children recursively)
     // from their SurfaceControl.
diff --git a/libs/gui/include/private/gui/LayerState.h b/libs/gui/include/private/gui/LayerState.h
index 4f73e04..bd42634 100644
--- a/libs/gui/include/private/gui/LayerState.h
+++ b/libs/gui/include/private/gui/LayerState.h
@@ -25,6 +25,7 @@
 #include <ui/Region.h>
 #include <ui/Rect.h>
 #include <gui/IGraphicBufferProducer.h>
+#include <math/vec3.h>
 
 namespace android {
 
@@ -60,7 +61,8 @@
         eReparentChildren           = 0x00002000,
         eDetachChildren             = 0x00004000,
         eRelativeLayerChanged       = 0x00008000,
-        eReparentChild              = 0x00010000
+        eReparent                   = 0x00010000,
+        eColorChanged               = 0x00020000
     };
 
     layer_state_t()
@@ -109,7 +111,8 @@
             sp<IBinder>     relativeLayerHandle;
 
             sp<IBinder>     parentHandleForChild;
-            sp<IBinder>     childHandle;
+
+            half3           color;
 
             // non POD must be last. see write/read
             Region          transparentRegion;
diff --git a/libs/hwc2on1adapter/HWC2On1Adapter.cpp b/libs/hwc2on1adapter/HWC2On1Adapter.cpp
index 8c6ef69..e1b9a8a 100644
--- a/libs/hwc2on1adapter/HWC2On1Adapter.cpp
+++ b/libs/hwc2on1adapter/HWC2On1Adapter.cpp
@@ -2005,10 +2005,21 @@
     return Error::None;
 }
 
+static bool compareRects(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {
+    return rect1.left == rect2.left &&
+            rect1.right == rect2.right &&
+            rect1.top == rect2.top &&
+            rect1.bottom == rect2.bottom;
+}
+
 Error HWC2On1Adapter::Layer::setVisibleRegion(hwc_region_t visible) {
-    mVisibleRegion.resize(visible.numRects);
-    std::copy_n(visible.rects, visible.numRects, mVisibleRegion.begin());
-    mDisplay.markGeometryChanged();
+    if ((getNumVisibleRegions() != visible.numRects) ||
+        !std::equal(mVisibleRegion.begin(), mVisibleRegion.end(), visible.rects,
+                    compareRects)) {
+        mVisibleRegion.resize(visible.numRects);
+        std::copy_n(visible.rects, visible.numRects, mVisibleRegion.begin());
+        mDisplay.markGeometryChanged();
+    }
     return Error::None;
 }
 
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 59173cb..eb2e858 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -44,7 +44,7 @@
     ],
 
     sanitize: {
-        //misc_undefined: ["integer"],
+        integer_overflow: true,
     },
 
     srcs: [
diff --git a/libs/ui/GraphicBufferMapper.cpp b/libs/ui/GraphicBufferMapper.cpp
index d52c508..1634328 100644
--- a/libs/ui/GraphicBufferMapper.cpp
+++ b/libs/ui/GraphicBufferMapper.cpp
@@ -99,7 +99,7 @@
 {
     int32_t fenceFd = -1;
     status_t error = unlockAsync(handle, &fenceFd);
-    if (error == NO_ERROR) {
+    if (error == NO_ERROR && fenceFd >= 0) {
         sync_wait(fenceFd, -1);
         close(fenceFd);
     }
diff --git a/libs/vr/libvrflinger/acquired_buffer.cpp b/libs/vr/libvrflinger/acquired_buffer.cpp
index fda9585..9614c6d 100644
--- a/libs/vr/libvrflinger/acquired_buffer.cpp
+++ b/libs/vr/libvrflinger/acquired_buffer.cpp
@@ -9,8 +9,8 @@
 namespace dvr {
 
 AcquiredBuffer::AcquiredBuffer(const std::shared_ptr<BufferConsumer>& buffer,
-                               LocalHandle acquire_fence)
-    : buffer_(buffer), acquire_fence_(std::move(acquire_fence)) {}
+                               LocalHandle acquire_fence, std::size_t slot)
+    : buffer_(buffer), acquire_fence_(std::move(acquire_fence)), slot_(slot) {}
 
 AcquiredBuffer::AcquiredBuffer(const std::shared_ptr<BufferConsumer>& buffer,
                                int* error) {
@@ -31,18 +31,20 @@
   }
 }
 
-AcquiredBuffer::AcquiredBuffer(AcquiredBuffer&& other)
-    : buffer_(std::move(other.buffer_)),
-      acquire_fence_(std::move(other.acquire_fence_)) {}
+AcquiredBuffer::AcquiredBuffer(AcquiredBuffer&& other) {
+  *this = std::move(other);
+}
 
 AcquiredBuffer::~AcquiredBuffer() { Release(LocalHandle(kEmptyFence)); }
 
 AcquiredBuffer& AcquiredBuffer::operator=(AcquiredBuffer&& other) {
   if (this != &other) {
-    Release(LocalHandle(kEmptyFence));
+    Release();
 
-    buffer_ = std::move(other.buffer_);
-    acquire_fence_ = std::move(other.acquire_fence_);
+    using std::swap;
+    swap(buffer_, other.buffer_);
+    swap(acquire_fence_, other.acquire_fence_);
+    swap(slot_, other.slot_);
   }
   return *this;
 }
@@ -81,8 +83,6 @@
   ALOGD_IF(TRACE, "AcquiredBuffer::Release: buffer_id=%d release_fence=%d",
            buffer_ ? buffer_->id() : -1, release_fence.Get());
   if (buffer_) {
-    // Close the release fence since we can't transfer it with an async release.
-    release_fence.Close();
     const int ret = buffer_->ReleaseAsync();
     if (ret < 0) {
       ALOGE("AcquiredBuffer::Release: Failed to release buffer %d: %s",
@@ -92,9 +92,10 @@
     }
 
     buffer_ = nullptr;
-    acquire_fence_.Close();
   }
 
+  acquire_fence_.Close();
+  slot_ = 0;
   return 0;
 }
 
diff --git a/libs/vr/libvrflinger/acquired_buffer.h b/libs/vr/libvrflinger/acquired_buffer.h
index e0dc9f2..32e912a 100644
--- a/libs/vr/libvrflinger/acquired_buffer.h
+++ b/libs/vr/libvrflinger/acquired_buffer.h
@@ -21,7 +21,7 @@
   // this constructor; the constructor does not attempt to ACQUIRE the buffer
   // itself.
   AcquiredBuffer(const std::shared_ptr<BufferConsumer>& buffer,
-                 pdx::LocalHandle acquire_fence);
+                 pdx::LocalHandle acquire_fence, std::size_t slot = 0);
 
   // Constructs an AcquiredBuffer from a BufferConsumer. The BufferConsumer MUST
   // be in the POSTED state prior to calling this constructor, as this
@@ -64,13 +64,18 @@
   // to the producer. On success, the BufferConsumer and acquire fence are set
   // to empty state; if release fails, the BufferConsumer and acquire fence are
   // left in place and a negative error code is returned.
-  int Release(pdx::LocalHandle release_fence);
+  int Release(pdx::LocalHandle release_fence = {});
+
+  // Returns the slot in the queue this buffer belongs to. Buffers that are not
+  // part of a queue return 0.
+  std::size_t slot() const { return slot_; }
 
  private:
   std::shared_ptr<BufferConsumer> buffer_;
   // Mutable so that the fence can be closed when it is determined to be
   // signaled during IsAvailable().
   mutable pdx::LocalHandle acquire_fence_;
+  std::size_t slot_{0};
 
   AcquiredBuffer(const AcquiredBuffer&) = delete;
   void operator=(const AcquiredBuffer&) = delete;
diff --git a/libs/vr/libvrflinger/display_manager_service.cpp b/libs/vr/libvrflinger/display_manager_service.cpp
index 40396b9..ef8cca3 100644
--- a/libs/vr/libvrflinger/display_manager_service.cpp
+++ b/libs/vr/libvrflinger/display_manager_service.cpp
@@ -65,6 +65,7 @@
 }
 
 pdx::Status<void> DisplayManagerService::HandleMessage(pdx::Message& message) {
+  ATRACE_NAME("DisplayManagerService::HandleMessage");
   auto channel = std::static_pointer_cast<DisplayManager>(message.GetChannel());
 
   switch (message.GetOp()) {
diff --git a/libs/vr/libvrflinger/display_service.cpp b/libs/vr/libvrflinger/display_service.cpp
index 10abc5e..ac68a5e 100644
--- a/libs/vr/libvrflinger/display_service.cpp
+++ b/libs/vr/libvrflinger/display_service.cpp
@@ -124,6 +124,8 @@
 // surface-specific messages to the per-instance handlers.
 Status<void> DisplayService::HandleMessage(pdx::Message& message) {
   ALOGD_IF(TRACE, "DisplayService::HandleMessage: opcode=%d", message.GetOp());
+  ATRACE_NAME("DisplayService::HandleMessage");
+
   switch (message.GetOp()) {
     case DisplayProtocol::GetMetrics::Opcode:
       DispatchRemoteMethod<DisplayProtocol::GetMetrics>(
diff --git a/libs/vr/libvrflinger/display_surface.cpp b/libs/vr/libvrflinger/display_surface.cpp
index 6853781..3d132c9 100644
--- a/libs/vr/libvrflinger/display_surface.cpp
+++ b/libs/vr/libvrflinger/display_surface.cpp
@@ -382,7 +382,7 @@
     }
 
     acquired_buffers_.Append(
-        AcquiredBuffer(buffer_consumer, std::move(acquire_fence)));
+        AcquiredBuffer(buffer_consumer, std::move(acquire_fence), slot));
   }
 }
 
diff --git a/libs/vr/libvrflinger/hardware_composer.cpp b/libs/vr/libvrflinger/hardware_composer.cpp
index 9c4278c..44be0ab 100644
--- a/libs/vr/libvrflinger/hardware_composer.cpp
+++ b/libs/vr/libvrflinger/hardware_composer.cpp
@@ -5,12 +5,14 @@
 #include <fcntl.h>
 #include <log/log.h>
 #include <poll.h>
+#include <stdint.h>
 #include <sync/sync.h>
 #include <sys/eventfd.h>
 #include <sys/prctl.h>
 #include <sys/resource.h>
 #include <sys/system_properties.h>
 #include <sys/timerfd.h>
+#include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
 #include <utils/Trace.h>
@@ -30,7 +32,9 @@
 
 using android::hardware::Return;
 using android::hardware::Void;
+using android::pdx::ErrorStatus;
 using android::pdx::LocalHandle;
+using android::pdx::Status;
 using android::pdx::rpc::EmptyVariant;
 using android::pdx::rpc::IfAnyOf;
 
@@ -82,6 +86,29 @@
   return true;
 }
 
+// Utility to generate scoped tracers with arguments.
+// TODO(eieio): Move/merge this into utils/Trace.h?
+class TraceArgs {
+ public:
+  template <typename... Args>
+  TraceArgs(const char* format, Args&&... args) {
+    std::array<char, 1024> buffer;
+    snprintf(buffer.data(), buffer.size(), format, std::forward<Args>(args)...);
+    atrace_begin(ATRACE_TAG, buffer.data());
+  }
+
+  ~TraceArgs() { atrace_end(ATRACE_TAG); }
+
+ private:
+  TraceArgs(const TraceArgs&) = delete;
+  void operator=(const TraceArgs&) = delete;
+};
+
+// Macro to define a scoped tracer with arguments. Uses PASTE(x, y) macro
+// defined in utils/Trace.h.
+#define TRACE_FORMAT(format, ...) \
+  TraceArgs PASTE(__tracer, __LINE__) { format, ##__VA_ARGS__ }
+
 }  // anonymous namespace
 
 HardwareComposer::HardwareComposer()
@@ -411,14 +438,12 @@
     retire_fence_fds_.erase(retire_fence_fds_.begin());
   }
 
-  const bool is_frame_pending = IsFramePendingInDriver();
   const bool is_fence_pending = static_cast<int32_t>(retire_fence_fds_.size()) >
                                 post_thread_config_.allowed_pending_fence_count;
 
-  if (is_fence_pending || is_frame_pending) {
+  if (is_fence_pending) {
     ATRACE_INT("frame_skip_count", ++frame_skip_count_);
 
-    ALOGW_IF(is_frame_pending, "Warning: frame already queued, dropping frame");
     ALOGW_IF(is_fence_pending,
              "Warning: dropping a frame to catch up with HWC (pending = %zd)",
              retire_fence_fds_.size());
@@ -545,6 +570,9 @@
   // Copy from latest record in shared_config_ring_ to local copy.
   DvrConfig record;
   if (shared_config_ring_.GetNewest(&shared_config_ring_sequence_, &record)) {
+    ALOGI("DvrConfig updated: sequence %u, post offset %d",
+          shared_config_ring_sequence_, record.frame_post_offset_ns);
+    ++shared_config_ring_sequence_;
     post_thread_config_ = record;
   }
 }
@@ -580,25 +608,35 @@
   } else if (pfd[0].revents != 0) {
     return 0;
   } else if (pfd[1].revents != 0) {
-    ALOGI("VrHwcPost thread interrupted");
+    ALOGI("VrHwcPost thread interrupted: revents=%x", pfd[1].revents);
     return kPostThreadInterrupted;
   } else {
     return 0;
   }
 }
 
+Status<int64_t> HardwareComposer::GetVSyncTime() {
+  auto status = composer_callback_->GetVsyncTime(HWC_DISPLAY_PRIMARY);
+  ALOGE_IF(!status,
+           "HardwareComposer::GetVSyncTime: Failed to get vsync timestamp: %s",
+           status.GetErrorMessage().c_str());
+  return status;
+}
+
 // Waits for the next vsync and returns the timestamp of the vsync event. If
 // vsync already passed since the last call, returns the latest vsync timestamp
 // instead of blocking.
-int HardwareComposer::WaitForVSync(int64_t* timestamp) {
-  int error = PostThreadPollInterruptible(composer_callback_->GetVsyncEventFd(),
-                                          POLLIN, /*timeout_ms*/ 1000);
-  if (error == kPostThreadInterrupted || error < 0) {
+Status<int64_t> HardwareComposer::WaitForVSync() {
+  const int64_t predicted_vsync_time =
+      last_vsync_timestamp_ +
+      display_metrics_.vsync_period_ns * vsync_prediction_interval_;
+  const int error = SleepUntil(predicted_vsync_time);
+  if (error < 0) {
+    ALOGE("HardwareComposer::WaifForVSync:: Failed to sleep: %s",
+          strerror(-error));
     return error;
-  } else {
-    *timestamp = composer_callback_->GetVsyncTime();
-    return 0;
   }
+  return {predicted_vsync_time};
 }
 
 int HardwareComposer::SleepUntil(int64_t wakeup_timestamp) {
@@ -704,26 +742,41 @@
         thread_policy_setup =
             SetThreadPolicy("graphics:high", "/system/performance");
       }
+
+      // Initialize the last vsync timestamp with the current time. The
+      // predictor below uses this time + the vsync interval in absolute time
+      // units for the initial delay. Once the driver starts reporting vsync the
+      // predictor will sync up with the real vsync.
+      last_vsync_timestamp_ = GetSystemClockNs();
     }
 
     int64_t vsync_timestamp = 0;
     {
-      std::array<char, 128> buf;
-      snprintf(buf.data(), buf.size(), "wait_vsync|vsync=%d|",
-               vsync_count_ + 1);
-      ATRACE_NAME(buf.data());
+      TRACE_FORMAT("wait_vsync|vsync=%u;last_timestamp=%" PRId64
+                   ";prediction_interval=%d|",
+                   vsync_count_ + 1, last_vsync_timestamp_,
+                   vsync_prediction_interval_);
 
-      const int error = WaitForVSync(&vsync_timestamp);
+      auto status = WaitForVSync();
       ALOGE_IF(
-          error < 0,
+          !status,
           "HardwareComposer::PostThread: Failed to wait for vsync event: %s",
-          strerror(-error));
-      // Don't bother processing this frame if a pause was requested
-      if (error == kPostThreadInterrupted)
+          status.GetErrorMessage().c_str());
+
+      // If there was an error either sleeping was interrupted due to pausing or
+      // there was an error getting the latest timestamp.
+      if (!status)
         continue;
+
+      // Predicted vsync timestamp for this interval. This is stable because we
+      // use absolute time for the wakeup timer.
+      vsync_timestamp = status.get();
     }
 
-    ++vsync_count_;
+    // Advance the vsync counter only if the system is keeping up with hardware
+    // vsync to give clients an indication of the delays.
+    if (vsync_prediction_interval_ == 1)
+      ++vsync_count_;
 
     const bool layer_config_changed = UpdateLayerConfig();
 
@@ -773,6 +826,38 @@
       }
     }
 
+    {
+      auto status = GetVSyncTime();
+      if (!status) {
+        ALOGE("HardwareComposer::PostThread: Failed to get VSYNC time: %s",
+              status.GetErrorMessage().c_str());
+      }
+
+      // If we failed to read vsync there might be a problem with the driver.
+      // Since there's nothing we can do just behave as though we didn't get an
+      // updated vsync time and let the prediction continue.
+      const int64_t current_vsync_timestamp =
+          status ? status.get() : last_vsync_timestamp_;
+
+      const bool vsync_delayed =
+          last_vsync_timestamp_ == current_vsync_timestamp;
+      ATRACE_INT("vsync_delayed", vsync_delayed);
+
+      // If vsync was delayed advance the prediction interval and allow the
+      // fence logic in PostLayers() to skip the frame.
+      if (vsync_delayed) {
+        ALOGW(
+            "HardwareComposer::PostThread: VSYNC timestamp did not advance "
+            "since last frame: timestamp=%" PRId64 " prediction_interval=%d",
+            current_vsync_timestamp, vsync_prediction_interval_);
+        vsync_prediction_interval_++;
+      } else {
+        // We have an updated vsync timestamp, reset the prediction interval.
+        last_vsync_timestamp_ = current_vsync_timestamp;
+        vsync_prediction_interval_ = 1;
+      }
+    }
+
     PostLayers();
   }
 }
@@ -860,14 +945,28 @@
   }
 }
 
-HardwareComposer::ComposerCallback::ComposerCallback() {
-  vsync_event_fd_.Reset(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK));
-  LOG_ALWAYS_FATAL_IF(!vsync_event_fd_, "Failed to create vsync event fd : %s",
-                      strerror(errno));
-}
-
 Return<void> HardwareComposer::ComposerCallback::onHotplug(
-    Hwc2::Display /*display*/, IComposerCallback::Connection /*conn*/) {
+    Hwc2::Display display, IComposerCallback::Connection /*conn*/) {
+  // See if the driver supports the vsync_event node in sysfs.
+  if (display < HWC_NUM_PHYSICAL_DISPLAY_TYPES &&
+      !displays_[display].driver_vsync_event_fd) {
+    std::array<char, 1024> buffer;
+    snprintf(buffer.data(), buffer.size(),
+             "/sys/class/graphics/fb%" PRIu64 "/vsync_event", display);
+    if (LocalHandle handle{buffer.data(), O_RDONLY}) {
+      ALOGI(
+          "HardwareComposer::ComposerCallback::onHotplug: Driver supports "
+          "vsync_event node for display %" PRIu64,
+          display);
+      displays_[display].driver_vsync_event_fd = std::move(handle);
+    } else {
+      ALOGI(
+          "HardwareComposer::ComposerCallback::onHotplug: Driver does not "
+          "support vsync_event node for display %" PRIu64,
+          display);
+    }
+  }
+
   return Void();
 }
 
@@ -878,29 +977,81 @@
 
 Return<void> HardwareComposer::ComposerCallback::onVsync(Hwc2::Display display,
                                                          int64_t timestamp) {
-  if (display == HWC_DISPLAY_PRIMARY) {
-    std::lock_guard<std::mutex> lock(vsync_mutex_);
-    vsync_time_ = timestamp;
-    int error = eventfd_write(vsync_event_fd_.Get(), 1);
-    LOG_ALWAYS_FATAL_IF(error != 0, "Failed writing to vsync event fd");
+  TRACE_FORMAT("vsync_callback|display=%" PRIu64 ";timestamp=%" PRId64 "|",
+               display, timestamp);
+  if (display < HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
+    displays_[display].callback_vsync_timestamp = timestamp;
+  } else {
+    ALOGW(
+        "HardwareComposer::ComposerCallback::onVsync: Received vsync on "
+        "non-physical display: display=%" PRId64,
+        display);
   }
   return Void();
 }
 
-const pdx::LocalHandle& HardwareComposer::ComposerCallback::GetVsyncEventFd()
-    const {
-  return vsync_event_fd_;
-}
+Status<int64_t> HardwareComposer::ComposerCallback::GetVsyncTime(
+    Hwc2::Display display) {
+  if (display >= HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
+    ALOGE(
+        "HardwareComposer::ComposerCallback::GetVsyncTime: Invalid physical "
+        "display requested: display=%" PRIu64,
+        display);
+    return ErrorStatus(EINVAL);
+  }
 
-int64_t HardwareComposer::ComposerCallback::GetVsyncTime() {
-  std::lock_guard<std::mutex> lock(vsync_mutex_);
-  eventfd_t event;
-  eventfd_read(vsync_event_fd_.Get(), &event);
-  LOG_ALWAYS_FATAL_IF(vsync_time_ < 0,
-                      "Attempt to read vsync time before vsync event");
-  int64_t return_val = vsync_time_;
-  vsync_time_ = -1;
-  return return_val;
+  // See if the driver supports direct vsync events.
+  LocalHandle& event_fd = displays_[display].driver_vsync_event_fd;
+  if (!event_fd) {
+    // Fall back to returning the last timestamp returned by the vsync
+    // callback.
+    std::lock_guard<std::mutex> autolock(vsync_mutex_);
+    return displays_[display].callback_vsync_timestamp;
+  }
+
+  // When the driver supports the vsync_event sysfs node we can use it to
+  // determine the latest vsync timestamp, even if the HWC callback has been
+  // delayed.
+
+  // The driver returns data in the form "VSYNC=<timestamp ns>".
+  std::array<char, 32> data;
+  data.fill('\0');
+
+  // Seek back to the beginning of the event file.
+  int ret = lseek(event_fd.Get(), 0, SEEK_SET);
+  if (ret < 0) {
+    const int error = errno;
+    ALOGE(
+        "HardwareComposer::ComposerCallback::GetVsyncTime: Failed to seek "
+        "vsync event fd: %s",
+        strerror(error));
+    return ErrorStatus(error);
+  }
+
+  // Read the vsync event timestamp.
+  ret = read(event_fd.Get(), data.data(), data.size());
+  if (ret < 0) {
+    const int error = errno;
+    ALOGE_IF(error != EAGAIN,
+             "HardwareComposer::ComposerCallback::GetVsyncTime: Error "
+             "while reading timestamp: %s",
+             strerror(error));
+    return ErrorStatus(error);
+  }
+
+  int64_t timestamp;
+  ret = sscanf(data.data(), "VSYNC=%" PRIu64,
+               reinterpret_cast<uint64_t*>(&timestamp));
+  if (ret < 0) {
+    const int error = errno;
+    ALOGE(
+        "HardwareComposer::ComposerCallback::GetVsyncTime: Error while "
+        "parsing timestamp: %s",
+        strerror(error));
+    return ErrorStatus(error);
+  }
+
+  return {timestamp};
 }
 
 Hwc2::Composer* Layer::composer_{nullptr};
@@ -921,6 +1072,7 @@
   acquire_fence_.Close();
   surface_rect_functions_applied_ = false;
   pending_visibility_settings_ = true;
+  cached_buffer_map_.clear();
 }
 
 Layer::Layer(const std::shared_ptr<DirectDisplaySurface>& surface,
@@ -964,6 +1116,7 @@
     swap(surface_rect_functions_applied_,
          other.surface_rect_functions_applied_);
     swap(pending_visibility_settings_, other.pending_visibility_settings_);
+    swap(cached_buffer_map_, other.cached_buffer_map_);
   }
   return *this;
 }
@@ -1057,15 +1210,30 @@
   UpdateLayerSettings();
 }
 
+bool Layer::CheckAndUpdateCachedBuffer(std::size_t slot, int buffer_id) {
+  auto search = cached_buffer_map_.find(slot);
+  if (search != cached_buffer_map_.end() && search->second == buffer_id)
+    return true;
+
+  // Assign or update the buffer slot.
+  if (buffer_id >= 0)
+    cached_buffer_map_[slot] = buffer_id;
+  return false;
+}
+
 void Layer::Prepare() {
-  int right, bottom;
+  int right, bottom, id;
   sp<GraphicBuffer> handle;
+  std::size_t slot;
 
   // Acquire the next buffer according to the type of source.
   IfAnyOf<SourceSurface, SourceBuffer>::Call(&source_, [&](auto& source) {
-    std::tie(right, bottom, handle, acquire_fence_) = source.Acquire();
+    std::tie(right, bottom, id, handle, acquire_fence_, slot) =
+        source.Acquire();
   });
 
+  TRACE_FORMAT("Layer::Prepare|buffer_id=%d;slot=%zu|", id, slot);
+
   // Update any visibility (blending, z-order) changes that occurred since
   // last prepare.
   UpdateVisibilitySettings();
@@ -1095,10 +1263,15 @@
           composition_type_.cast<Hwc2::IComposerClient::Composition>());
     }
 
+    // See if the HWC cache already has this buffer.
+    const bool cached = CheckAndUpdateCachedBuffer(slot, id);
+    if (cached)
+      handle = nullptr;
+
     HWC::Error error{HWC::Error::None};
     error =
         composer_->setLayerBuffer(HWC_DISPLAY_PRIMARY, hardware_composer_layer_,
-                                  0, handle, acquire_fence_.Get());
+                                  slot, handle, acquire_fence_.Get());
 
     ALOGE_IF(error != HWC::Error::None,
              "Layer::Prepare: Error setting layer buffer: %s",
diff --git a/libs/vr/libvrflinger/hardware_composer.h b/libs/vr/libvrflinger/hardware_composer.h
index 793c3e8..7010db9 100644
--- a/libs/vr/libvrflinger/hardware_composer.h
+++ b/libs/vr/libvrflinger/hardware_composer.h
@@ -142,9 +142,7 @@
   bool operator<(const Layer& other) const {
     return GetSurfaceId() < other.GetSurfaceId();
   }
-  bool operator<(int surface_id) const {
-    return GetSurfaceId() < surface_id;
-  }
+  bool operator<(int surface_id) const { return GetSurfaceId() < surface_id; }
 
   // Sets the composer instance used by all Layer instances.
   static void SetComposer(Hwc2::Composer* composer) { composer_ = composer; }
@@ -163,6 +161,14 @@
   // Applies visibility settings that may have changed.
   void UpdateVisibilitySettings();
 
+  // Checks whether the buffer, given by id, is associated with the given slot
+  // in the HWC buffer cache. If the slot is not associated with the given
+  // buffer the cache is updated to establish the association and the buffer
+  // should be sent to HWC using setLayerBuffer. Returns true if the association
+  // was already established, false if not. A buffer_id of -1 is never
+  // associated and always returns false.
+  bool CheckAndUpdateCachedBuffer(std::size_t slot, int buffer_id);
+
   // Composer instance shared by all instances of Layer. This must be set
   // whenever a new instance of the Composer is created. This may be set to
   // nullptr as long as there are no instances of Layer that might need to use
@@ -200,19 +206,21 @@
     // the previous buffer is returned or an empty value if no buffer has ever
     // been posted. When a new buffer is acquired the previous buffer's release
     // fence is passed out automatically.
-    std::tuple<int, int, sp<GraphicBuffer>, pdx::LocalHandle> Acquire() {
+    std::tuple<int, int, int, sp<GraphicBuffer>, pdx::LocalHandle, std::size_t>
+    Acquire() {
       if (surface->IsBufferAvailable()) {
         acquired_buffer.Release(std::move(release_fence));
         acquired_buffer = surface->AcquireCurrentBuffer();
         ATRACE_ASYNC_END("BufferPost", acquired_buffer.buffer()->id());
       }
       if (!acquired_buffer.IsEmpty()) {
-        return std::make_tuple(acquired_buffer.buffer()->width(),
-                               acquired_buffer.buffer()->height(),
-                               acquired_buffer.buffer()->buffer()->buffer(),
-                               acquired_buffer.ClaimAcquireFence());
+        return std::make_tuple(
+            acquired_buffer.buffer()->width(),
+            acquired_buffer.buffer()->height(), acquired_buffer.buffer()->id(),
+            acquired_buffer.buffer()->buffer()->buffer(),
+            acquired_buffer.ClaimAcquireFence(), acquired_buffer.slot());
       } else {
-        return std::make_tuple(0, 0, nullptr, pdx::LocalHandle{});
+        return std::make_tuple(0, 0, -1, nullptr, pdx::LocalHandle{}, 0);
       }
     }
 
@@ -244,12 +252,13 @@
   struct SourceBuffer {
     std::shared_ptr<IonBuffer> buffer;
 
-    std::tuple<int, int, sp<GraphicBuffer>, pdx::LocalHandle> Acquire() {
+    std::tuple<int, int, int, sp<GraphicBuffer>, pdx::LocalHandle, std::size_t>
+    Acquire() {
       if (buffer)
-        return std::make_tuple(buffer->width(), buffer->height(),
-                               buffer->buffer(), pdx::LocalHandle{});
+        return std::make_tuple(buffer->width(), buffer->height(), -1,
+                               buffer->buffer(), pdx::LocalHandle{}, 0);
       else
-        return std::make_tuple(0, 0, nullptr, pdx::LocalHandle{});
+        return std::make_tuple(0, 0, -1, nullptr, pdx::LocalHandle{}, 0);
     }
 
     void Finish(pdx::LocalHandle /*fence*/) {}
@@ -268,6 +277,12 @@
   bool surface_rect_functions_applied_ = false;
   bool pending_visibility_settings_ = true;
 
+  // Map of buffer slot assignments that have already been established with HWC:
+  // slot -> buffer_id. When this map contains a matching slot and buffer_id the
+  // buffer argument to setLayerBuffer may be nullptr to avoid the cost of
+  // importing a buffer HWC already knows about.
+  std::map<std::size_t, int> cached_buffer_map_;
+
   Layer(const Layer&) = delete;
   void operator=(const Layer&) = delete;
 };
@@ -340,19 +355,23 @@
 
   class ComposerCallback : public Hwc2::IComposerCallback {
    public:
-    ComposerCallback();
+    ComposerCallback() = default;
     hardware::Return<void> onHotplug(Hwc2::Display display,
                                      Connection conn) override;
     hardware::Return<void> onRefresh(Hwc2::Display display) override;
     hardware::Return<void> onVsync(Hwc2::Display display,
                                    int64_t timestamp) override;
-    const pdx::LocalHandle& GetVsyncEventFd() const;
-    int64_t GetVsyncTime();
+
+    pdx::Status<int64_t> GetVsyncTime(Hwc2::Display display);
 
    private:
     std::mutex vsync_mutex_;
-    pdx::LocalHandle vsync_event_fd_;
-    int64_t vsync_time_ = -1;
+
+    struct Display {
+      pdx::LocalHandle driver_vsync_event_fd;
+      int64_t callback_vsync_timestamp{0};
+    };
+    std::array<Display, HWC_NUM_PHYSICAL_DISPLAY_TYPES> displays_;
   };
 
   HWC::Error Validate(hwc2_display_t display);
@@ -392,11 +411,10 @@
   // can be interrupted by a control thread. If interrupted, these calls return
   // kPostThreadInterrupted.
   int ReadWaitPPState();
-  int WaitForVSync(int64_t* timestamp);
+  pdx::Status<int64_t> WaitForVSync();
+  pdx::Status<int64_t> GetVSyncTime();
   int SleepUntil(int64_t wakeup_timestamp);
 
-  bool IsFramePendingInDriver() { return false; }
-
   // Reconfigures the layer stack if the display surfaces changed since the last
   // frame. Called only from the post thread.
   bool UpdateLayerConfig();
@@ -463,6 +481,9 @@
   // The timestamp of the last vsync.
   int64_t last_vsync_timestamp_ = 0;
 
+  // The number of vsync intervals to predict since the last vsync.
+  int vsync_prediction_interval_ = 1;
+
   // Vsync count since display on.
   uint32_t vsync_count_ = 0;
 
diff --git a/libs/vr/libvrflinger/vr_flinger.cpp b/libs/vr/libvrflinger/vr_flinger.cpp
index fcf94f0..85dc586 100644
--- a/libs/vr/libvrflinger/vr_flinger.cpp
+++ b/libs/vr/libvrflinger/vr_flinger.cpp
@@ -64,9 +64,6 @@
 
   ALOGI("Starting up VrFlinger...");
 
-  setpriority(PRIO_PROCESS, 0, android::PRIORITY_URGENT_DISPLAY);
-  set_sched_policy(0, SP_FOREGROUND);
-
   // We need to be able to create endpoints with full perms.
   umask(0000);
 
@@ -100,6 +97,9 @@
     prctl(PR_SET_NAME, reinterpret_cast<unsigned long>("VrDispatch"), 0, 0, 0);
     ALOGI("Entering message loop.");
 
+    setpriority(PRIO_PROCESS, 0, android::PRIORITY_URGENT_DISPLAY);
+    set_sched_policy(0, SP_FOREGROUND);
+
     int ret = dispatcher_->EnterDispatchLoop();
     if (ret < 0) {
       ALOGE("Dispatch loop exited because: %s\n", strerror(-ret));
diff --git a/libs/vr/libvrflinger/vsync_service.cpp b/libs/vr/libvrflinger/vsync_service.cpp
index 3098b43..fdeb899 100644
--- a/libs/vr/libvrflinger/vsync_service.cpp
+++ b/libs/vr/libvrflinger/vsync_service.cpp
@@ -110,6 +110,7 @@
 }
 
 pdx::Status<void> VSyncService::HandleMessage(pdx::Message& message) {
+  ATRACE_NAME("VSyncService::HandleMessage");
   switch (message.GetOp()) {
     case VSyncProtocol::Wait::Opcode:
       AddWaiter(message);
diff --git a/opengl/libs/EGL/egl_object.cpp b/opengl/libs/EGL/egl_object.cpp
index 837cfa9..72b4823 100644
--- a/opengl/libs/EGL/egl_object.cpp
+++ b/opengl/libs/EGL/egl_object.cpp
@@ -116,17 +116,23 @@
     if (gl_extensions.empty()) {
         // call the implementation's glGetString(GL_EXTENSIONS)
         const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS);
-        gl_extensions = exts;
-        if (gl_extensions.find("GL_EXT_debug_marker") == std::string::npos) {
-            gl_extensions.insert(0, "GL_EXT_debug_marker ");
-        }
 
-        // tokenize the supported extensions for the glGetStringi() wrapper
-        std::stringstream ss;
-        std::string str;
-        ss << gl_extensions;
-        while (ss >> str) {
-            tokenized_gl_extensions.push_back(str);
+        // If this context is sharing with another context, and the other context was reset
+        // e.g. due to robustness failure, this context might also be reset and glGetString can
+        // return NULL.
+        if (exts) {
+            gl_extensions = exts;
+            if (gl_extensions.find("GL_EXT_debug_marker") == std::string::npos) {
+                gl_extensions.insert(0, "GL_EXT_debug_marker ");
+            }
+
+            // tokenize the supported extensions for the glGetStringi() wrapper
+            std::stringstream ss;
+            std::string str;
+            ss << gl_extensions;
+            while (ss >> str) {
+                tokenized_gl_extensions.push_back(str);
+            }
         }
     }
 }
diff --git a/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
index f6813fd..66836b5 100644
--- a/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
+++ b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
@@ -21,7 +21,7 @@
 #pragma GCC diagnostic ignored "-Wunused-function"
 
 #include "jni.h"
-#include "JNIHelp.h"
+#include <nativehelper/JNIHelp.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <android_runtime/android_view_Surface.h>
 #include <android_runtime/android_graphics_SurfaceTexture.h>
diff --git a/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp b/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp
index 4df61d3..fb75d81 100644
--- a/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp
+++ b/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp
@@ -21,7 +21,7 @@
 #pragma GCC diagnostic ignored "-Wunused-function"
 
 #include "jni.h"
-#include "JNIHelp.h"
+#include <nativehelper/JNIHelp.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <android_runtime/android_view_Surface.h>
 #include <android_runtime/android_graphics_SurfaceTexture.h>
diff --git a/opengl/tools/glgen/stubs/gles11/common.cpp b/opengl/tools/glgen/stubs/gles11/common.cpp
index 7062c57..2163d76 100644
--- a/opengl/tools/glgen/stubs/gles11/common.cpp
+++ b/opengl/tools/glgen/stubs/gles11/common.cpp
@@ -1,5 +1,5 @@
 #include <jni.h>
-#include <JNIHelp.h>
+#include <nativehelper/JNIHelp.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <utils/misc.h>
 #include <assert.h>
diff --git a/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp b/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
index 026cb37..03e16e9 100644
--- a/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
+++ b/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp
@@ -21,7 +21,7 @@
 #pragma GCC diagnostic ignored "-Wunused-function"
 
 #include "jni.h"
-#include "JNIHelp.h"
+#include <nativehelper/JNIHelp.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <utils/misc.h>
 
diff --git a/services/inputflinger/InputWindow.cpp b/services/inputflinger/InputWindow.cpp
index b54752b..3ae7972 100644
--- a/services/inputflinger/InputWindow.cpp
+++ b/services/inputflinger/InputWindow.cpp
@@ -49,7 +49,8 @@
             || layoutParamsType == TYPE_NAVIGATION_BAR_PANEL
             || layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY
             || layoutParamsType == TYPE_DOCK_DIVIDER
-            || layoutParamsType == TYPE_ACCESSIBILITY_OVERLAY;
+            || layoutParamsType == TYPE_ACCESSIBILITY_OVERLAY
+            || layoutParamsType == TYPE_INPUT_CONSUMER;
 }
 
 bool InputWindowInfo::supportsSplitTouch() const {
diff --git a/services/inputflinger/InputWindow.h b/services/inputflinger/InputWindow.h
index 610290b..9eb2798 100644
--- a/services/inputflinger/InputWindow.h
+++ b/services/inputflinger/InputWindow.h
@@ -101,6 +101,7 @@
         TYPE_NAVIGATION_BAR     = FIRST_SYSTEM_WINDOW+19,
         TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20,
         TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21,
+        TYPE_INPUT_CONSUMER = FIRST_SYSTEM_WINDOW+22,
         TYPE_NAVIGATION_BAR_PANEL = FIRST_SYSTEM_WINDOW+24,
         TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+27,
         TYPE_ACCESSIBILITY_OVERLAY = FIRST_SYSTEM_WINDOW+32,
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index 29d93f0..84a63d6 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -15,7 +15,6 @@
         "libhardware",
         "libhardware_legacy",
         "libui",
-        "libskia",
         "libinput",
         "libinputflinger",
         "libinputservice",
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 38529b6..1f4427a 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -14,7 +14,7 @@
     FrameTracker.cpp \
     GpuService.cpp \
     Layer.cpp \
-    LayerDim.cpp \
+    ColorLayer.cpp \
     LayerRejecter.cpp \
     LayerVector.cpp \
     MessageQueue.cpp \
diff --git a/services/surfaceflinger/LayerDim.cpp b/services/surfaceflinger/ColorLayer.cpp
similarity index 79%
rename from services/surfaceflinger/LayerDim.cpp
rename to services/surfaceflinger/ColorLayer.cpp
index daebf8a..6923782 100644
--- a/services/surfaceflinger/LayerDim.cpp
+++ b/services/surfaceflinger/ColorLayer.cpp
@@ -16,7 +16,7 @@
 
 // #define LOG_NDEBUG 0
 #undef LOG_TAG
-#define LOG_TAG "LayerDim"
+#define LOG_TAG "ColorLayer"
 
 #include <stdlib.h>
 #include <stdint.h>
@@ -27,7 +27,7 @@
 
 #include <ui/GraphicBuffer.h>
 
-#include "LayerDim.h"
+#include "ColorLayer.h"
 #include "SurfaceFlinger.h"
 #include "DisplayDevice.h"
 #include "RenderEngine/RenderEngine.h"
@@ -35,31 +35,29 @@
 namespace android {
 // ---------------------------------------------------------------------------
 
-LayerDim::LayerDim(SurfaceFlinger* flinger, const sp<Client>& client,
+ColorLayer::ColorLayer(SurfaceFlinger* flinger, const sp<Client>& client,
         const String8& name, uint32_t w, uint32_t h, uint32_t flags)
     : Layer(flinger, client, name, w, h, flags) {
 }
 
-LayerDim::~LayerDim() {
-}
-
-void LayerDim::onDraw(const sp<const DisplayDevice>& hw,
+void ColorLayer::onDraw(const sp<const DisplayDevice>& hw,
         const Region& /* clip */, bool useIdentityTransform) const
 {
     const State& s(getDrawingState());
-    if (s.alpha>0) {
+    if (s.color.a>0) {
         Mesh mesh(Mesh::TRIANGLE_FAN, 4, 2);
         computeGeometry(hw, mesh, useIdentityTransform);
         RenderEngine& engine(mFlinger->getRenderEngine());
-        engine.setupDimLayerBlending(s.alpha);
+        engine.setupLayerBlending(getPremultipledAlpha(), false /* opaque */,
+              true /* disableTexture */, s.color);
         engine.drawMesh(mesh);
         engine.disableBlending();
     }
 }
 
-bool LayerDim::isVisible() const {
+bool ColorLayer::isVisible() const {
     const Layer::State& s(getDrawingState());
-    return !isHiddenByPolicy() && s.alpha;
+    return !isHiddenByPolicy() && s.color.a;
 }
 
 
diff --git a/services/surfaceflinger/LayerDim.h b/services/surfaceflinger/ColorLayer.h
similarity index 81%
rename from services/surfaceflinger/LayerDim.h
rename to services/surfaceflinger/ColorLayer.h
index a0cfca9..ac3e2a9 100644
--- a/services/surfaceflinger/LayerDim.h
+++ b/services/surfaceflinger/ColorLayer.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_LAYER_DIM_H
-#define ANDROID_LAYER_DIM_H
+#ifndef ANDROID_COLOR_LAYER_H
+#define ANDROID_COLOR_LAYER_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -26,14 +26,14 @@
 
 namespace android {
 
-class LayerDim : public Layer
+class ColorLayer : public Layer
 {
 public:
-                LayerDim(SurfaceFlinger* flinger, const sp<Client>& client,
+    ColorLayer(SurfaceFlinger* flinger, const sp<Client>& client,
                         const String8& name, uint32_t w, uint32_t h, uint32_t flags);
-        virtual ~LayerDim();
+    virtual ~ColorLayer() = default;
 
-    virtual const char* getTypeId() const { return "LayerDim"; }
+    virtual const char* getTypeId() const { return "ColorLayer"; }
     virtual void onDraw(const sp<const DisplayDevice>& hw, const Region& clip,
             bool useIdentityTransform) const;
     virtual bool isOpaque(const Layer::State&) const { return false; }
@@ -46,4 +46,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_LAYER_DIM_H
+#endif // ANDROID_COLOR_LAYER_H
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9435a18..956f7f6 100755
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -137,11 +137,7 @@
     mCurrentState.requestedFinalCrop = mCurrentState.finalCrop;
     mCurrentState.requestedCrop = mCurrentState.crop;
     mCurrentState.z = 0;
-#ifdef USE_HWC2
-    mCurrentState.alpha = 1.0f;
-#else
-    mCurrentState.alpha = 0xFF;
-#endif
+    mCurrentState.color.a = 1.0f;
     mCurrentState.layerStack = 0;
     mCurrentState.flags = layerFlags;
     mCurrentState.sequence = 0;
@@ -334,6 +330,10 @@
     return mName;
 }
 
+bool Layer::getPremultipledAlpha() const {
+    return mPremultipliedAlpha;
+}
+
 status_t Layer::setBuffers( uint32_t w, uint32_t h,
                             PixelFormat format, uint32_t flags)
 {
@@ -683,7 +683,7 @@
              " %s (%d)", mName.string(), to_string(blendMode).c_str(),
              to_string(error).c_str(), static_cast<int32_t>(error));
 #else
-    if (!isOpaque(s) || getAlpha() != 0xFF) {
+    if (!isOpaque(s) || getAlpha() != 1.0f) {
         layer.setBlending(mPremultipliedAlpha ?
                 HWC_BLENDING_PREMULT :
                 HWC_BLENDING_COVERAGE);
@@ -757,7 +757,7 @@
         hwcInfo.sourceCrop = sourceCrop;
     }
 
-    float alpha = getAlpha();
+    float alpha = static_cast<float>(getAlpha());
     error = hwcLayer->setPlaneAlpha(alpha);
     ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set plane alpha %.3f: "
             "%s (%d)", mName.string(), alpha, to_string(error).c_str(),
@@ -787,7 +787,7 @@
     const Transform& tr(hw->getTransform());
     layer.setFrame(tr.transform(frame));
     layer.setCrop(computeCrop(hw));
-    layer.setPlaneAlpha(getAlpha());
+    layer.setPlaneAlpha(static_cast<uint8_t>(std::round(255.0f*getAlpha())));
 #endif
 
     /*
@@ -904,8 +904,11 @@
     if (mActiveBuffer == nullptr) {
         setCompositionType(hwcId, HWC2::Composition::SolidColor);
 
-        // For now, we only support black for DimLayer
-        error = hwcLayer->setColor({0, 0, 0, 255});
+        half4 color = getColor();
+        error = hwcLayer->setColor({static_cast<uint8_t>(std::round(255.0f*color.r)),
+                    static_cast<uint8_t>(std::round(255.0f * color.g)),
+                    static_cast<uint8_t>(std::round(255.0f * color.b)),
+                    255});
         if (error != HWC2::Error::None) {
             ALOGE("[%s] Failed to set color: %s (%d)", mName.string(),
                     to_string(error).c_str(), static_cast<int32_t>(error));
@@ -1254,7 +1257,8 @@
     texCoords[3] = vec2(right, 1.0f - top);
 
     RenderEngine& engine(mFlinger->getRenderEngine());
-    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s), getAlpha());
+    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s),
+        false /* disableTexture */, getColor());
 #ifdef USE_HWC2
     engine.setSourceDataSpace(mCurrentState.dataSpace);
 #endif
@@ -1687,23 +1691,28 @@
                 c.requested.w, c.requested.h);
     }
 
-    const bool resizePending = (c.requested.w != c.active.w) ||
-            (c.requested.h != c.active.h);
+    // Don't let Layer::doTransaction update the drawing state
+    // if we have a pending resize, unless we are in fixed-size mode.
+    // the drawing state will be updated only once we receive a buffer
+    // with the correct size.
+    //
+    // In particular, we want to make sure the clip (which is part
+    // of the geometry state) is latched together with the size but is
+    // latched immediately when no resizing is involved.
+    //
+    // If a sideband stream is attached, however, we want to skip this
+    // optimization so that transactions aren't missed when a buffer
+    // never arrives
+    //
+    // In the case that we don't have a buffer we ignore other factors
+    // and avoid entering the resizePending state. At a high level the
+    // resizePending state is to avoid applying the state of the new buffer
+    // to the old buffer. However in the state where we don't have an old buffer
+    // there is no such concern but we may still be being used as a parent layer.
+    const bool resizePending = ((c.requested.w != c.active.w) ||
+            (c.requested.h != c.active.h)) && (mActiveBuffer != nullptr);
     if (!isFixedSize()) {
         if (resizePending && mSidebandStream == NULL) {
-            // don't let Layer::doTransaction update the drawing state
-            // if we have a pending resize, unless we are in fixed-size mode.
-            // the drawing state will be updated only once we receive a buffer
-            // with the correct size.
-            //
-            // in particular, we want to make sure the clip (which is part
-            // of the geometry state) is latched together with the size but is
-            // latched immediately when no resizing is involved.
-            //
-            // If a sideband stream is attached, however, we want to skip this
-            // optimization so that transactions aren't missed when a buffer
-            // never arrives
-
             flags |= eDontUpdateGeometryState;
         }
     }
@@ -1877,19 +1886,30 @@
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
-#ifdef USE_HWC2
 bool Layer::setAlpha(float alpha) {
-#else
-bool Layer::setAlpha(uint8_t alpha) {
-#endif
-    if (mCurrentState.alpha == alpha)
+    if (mCurrentState.color.a == alpha)
         return false;
     mCurrentState.sequence++;
-    mCurrentState.alpha = alpha;
+    mCurrentState.color.a = alpha;
     mCurrentState.modified = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
+
+bool Layer::setColor(const half3& color) {
+    if (color.r == mCurrentState.color.r && color.g == mCurrentState.color.g
+        && color.b == mCurrentState.color.b)
+        return false;
+
+    mCurrentState.sequence++;
+    mCurrentState.color.r = color.r;
+    mCurrentState.color.g = color.g;
+    mCurrentState.color.b = color.b;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
 bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
     mCurrentState.sequence++;
     mCurrentState.requested.transform.set(
@@ -2141,13 +2161,8 @@
 }
 
 bool Layer::isVisible() const {
-#ifdef USE_HWC2
     return !(isHiddenByPolicy()) && getAlpha() > 0.0f
             && (mActiveBuffer != NULL || mSidebandStream != NULL);
-#else
-    return !(isHiddenByPolicy()) && getAlpha()
-            && (mActiveBuffer != NULL || mSidebandStream != NULL);
-#endif
 }
 
 bool Layer::allTransactionsSignaled() {
@@ -2439,7 +2454,7 @@
     info.mHeight = ds.active.h;
     info.mCrop = ds.crop;
     info.mFinalCrop = ds.finalCrop;
-    info.mAlpha = ds.alpha;
+    info.mColor = ds.color;
     info.mFlags = ds.flags;
     info.mPixelFormat = getPixelFormat();
     info.mDataSpace = getDataSpace();
@@ -2467,7 +2482,6 @@
     info.mContentDirty = contentDirty;
     return info;
 }
-
 #ifdef USE_HWC2
 void Layer::miniDumpHeader(String8& result) {
     result.append("----------------------------------------");
@@ -2625,8 +2639,8 @@
     return true;
 }
 
-bool Layer::reparentChild(const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle) {
-    if (newParentHandle == nullptr || childHandle == nullptr) {
+bool Layer::reparent(const sp<IBinder>& newParentHandle) {
+    if (newParentHandle == nullptr) {
         return false;
     }
 
@@ -2637,29 +2651,19 @@
         return false;
     }
 
-    handle = static_cast<Handle*>(childHandle.get());
-    sp<Layer> child = handle->owner.promote();
-    if (child == nullptr) {
-        ALOGE("Unable to promote child Layer handle");
-        return false;
+    sp<Layer> parent = getParent();
+    if (parent != nullptr) {
+        parent->removeChild(this);
     }
+    newParent->addChild(this);
 
-    if (mCurrentChildren.indexOf(child) < 0) {
-        ALOGE("Child layer is not child of current layer");
-        return false;
-    }
-
-    sp<Client> parentClient(mClientRef.promote());
-    sp<Client> childClient(child->mClientRef.promote());
+    sp<Client> client(mClientRef.promote());
     sp<Client> newParentClient(newParent->mClientRef.promote());
 
-    if (parentClient != childClient || childClient != newParentClient) {
-        ALOGE("Current layer, child layer, and new parent layer must have the same client");
-        return false;
+    if (client != newParentClient) {
+        client->setParentLayer(newParent);
     }
 
-    newParent->addChild(child);
-    mCurrentChildren.remove(child);
     return true;
 }
 
@@ -2801,23 +2805,17 @@
     return t * getDrawingState().active.transform;
 }
 
-#ifdef USE_HWC2
-float Layer::getAlpha() const {
+half Layer::getAlpha() const {
     const auto& p = mDrawingParent.promote();
 
-    float parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0;
-    return parentAlpha * getDrawingState().alpha;
+    half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
+    return parentAlpha * getDrawingState().color.a;
 }
-#else
-uint8_t Layer::getAlpha() const {
-    const auto& p = mDrawingParent.promote();
 
-    float parentAlpha = (p != nullptr) ? (p->getAlpha() / 255.0f) : 1.0;
-    float drawingAlpha = getDrawingState().alpha / 255.0f;
-    drawingAlpha = drawingAlpha * parentAlpha;
-    return static_cast<uint8_t>(std::round(drawingAlpha * 255));
+half4 Layer::getColor() const {
+    const half4 color(getDrawingState().color);
+    return half4(color.r, color.g, color.b, getAlpha());
 }
-#endif
 
 void Layer::commitChildList() {
     for (size_t i = 0; i < mCurrentChildren.size(); i++) {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f94833b..921492b 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -51,6 +51,8 @@
 #include "RenderEngine/Mesh.h"
 #include "RenderEngine/Texture.h"
 
+#include <math/vec4.h>
+
 namespace android {
 
 // ---------------------------------------------------------------------------
@@ -119,11 +121,6 @@
         // to achieve mirroring.
         uint32_t layerStack;
 
-#ifdef USE_HWC2
-        float alpha;
-#else
-        uint8_t alpha;
-#endif
         uint8_t flags;
         uint8_t mask;
         uint8_t reserved[2];
@@ -158,6 +155,8 @@
 
         // A list of surfaces whose Z-order is interpreted relative to ours.
         SortedVector<wp<Layer>> zOrderRelatives;
+
+        half4 color;
     };
 
     // -----------------------------------------------------------------------
@@ -225,11 +224,8 @@
     bool setLayer(int32_t z);
     bool setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ);
 
-#ifdef USE_HWC2
     bool setAlpha(float alpha);
-#else
-    bool setAlpha(uint8_t alpha);
-#endif
+    bool setColor(const half3& color);
     bool setTransparentRegionHint(const Region& transparent);
     bool setFlags(uint8_t flags, uint8_t mask);
     bool setLayerStack(uint32_t layerStack);
@@ -241,7 +237,7 @@
     bool setOverrideScalingMode(int32_t overrideScalingMode);
     void setInfo(uint32_t type, uint32_t appId);
     bool reparentChildren(const sp<IBinder>& layer);
-    bool reparentChild(const sp<IBinder>& newParentHandle, const sp<IBinder>& childHandle);
+    bool reparent(const sp<IBinder>& newParentHandle);
     bool detachChildren();
 
     // If we have received a new buffer this frame, we will pass its surface
@@ -509,11 +505,8 @@
     // Returns the Alpha of the Surface, accounting for the Alpha
     // of parent Surfaces in the hierarchy (alpha's will be multiplied
     // down the hierarchy).
-#ifdef USE_HWC2
-    float getAlpha() const;
-#else
-    uint8_t getAlpha() const;
-#endif
+    half getAlpha() const;
+    half4 getColor() const;
 
     void traverseInReverseZOrder(LayerVector::StateSet stateSet,
                                  const LayerVector::Visitor& visitor);
@@ -683,9 +676,8 @@
     sp<IGraphicBufferProducer> getProducer() const;
     const String8& getName() const;
     void notifyAvailableFrames();
-
     PixelFormat getPixelFormat() const { return mFormat; }
-
+    bool getPremultipledAlpha() const;
 private:
 
     // -----------------------------------------------------------------------
diff --git a/services/surfaceflinger/RenderEngine/Description.cpp b/services/surfaceflinger/RenderEngine/Description.cpp
index effd319..706960c 100644
--- a/services/surfaceflinger/RenderEngine/Description.cpp
+++ b/services/surfaceflinger/RenderEngine/Description.cpp
@@ -27,22 +27,15 @@
 namespace android {
 
 Description::Description() {
-    mPlaneAlpha = 1.0f;
     mPremultipliedAlpha = false;
     mOpaque = true;
     mTextureEnabled = false;
     mColorMatrixEnabled = false;
-
-    memset(mColor, 0, sizeof(mColor));
 }
 
 Description::~Description() {
 }
 
-void Description::setPlaneAlpha(GLclampf planeAlpha) {
-    mPlaneAlpha = planeAlpha;
-}
-
 void Description::setPremultipliedAlpha(bool premultipliedAlpha) {
     mPremultipliedAlpha = premultipliedAlpha;
 }
@@ -60,11 +53,8 @@
     mTextureEnabled = false;
 }
 
-void Description::setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
-    mColor[0] = red;
-    mColor[1] = green;
-    mColor[2] = blue;
-    mColor[3] = alpha;
+void Description::setColor(const half4& color) {
+    mColor = color;
 }
 
 void Description::setProjectionMatrix(const mat4& mtx) {
diff --git a/services/surfaceflinger/RenderEngine/Description.h b/services/surfaceflinger/RenderEngine/Description.h
index 3beffdf..cbac855 100644
--- a/services/surfaceflinger/RenderEngine/Description.h
+++ b/services/surfaceflinger/RenderEngine/Description.h
@@ -35,8 +35,6 @@
     friend class Program;
     friend class ProgramCache;
 
-    // value of the plane-alpha, between 0 and 1
-    GLclampf mPlaneAlpha;
     // whether textures are premultiplied
     bool mPremultipliedAlpha;
     // whether this layer is marked as opaque
@@ -46,8 +44,8 @@
     Texture mTexture;
     bool mTextureEnabled;
 
-    // color used when texturing is disabled
-    GLclampf mColor[4];
+    // color used when texturing is disabled or when setting alpha.
+    half4 mColor;
     // projection matrix
     mat4 mProjectionMatrix;
 
@@ -60,12 +58,11 @@
     Description();
     ~Description();
 
-    void setPlaneAlpha(GLclampf planeAlpha);
     void setPremultipliedAlpha(bool premultipliedAlpha);
     void setOpaque(bool opaque);
     void setTexture(const Texture& texture);
     void disableTexture();
-    void setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+    void setColor(const half4& color);
     void setProjectionMatrix(const mat4& mtx);
     void setColorMatrix(const mat4& mtx);
     const mat4& getColorMatrix() const;
diff --git a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
index 37a530b..daaa11e 100644
--- a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp
@@ -204,25 +204,17 @@
     mVpHeight = vph;
 }
 
-#ifdef USE_HWC2
 void GLES20RenderEngine::setupLayerBlending(bool premultipliedAlpha,
-        bool opaque, float alpha) {
-#else
-void GLES20RenderEngine::setupLayerBlending(
-    bool premultipliedAlpha, bool opaque, int alpha) {
-#endif
-
+        bool opaque, bool disableTexture, const half4& color) {
     mState.setPremultipliedAlpha(premultipliedAlpha);
     mState.setOpaque(opaque);
-#ifdef USE_HWC2
-    mState.setPlaneAlpha(alpha);
+    mState.setColor(color);
 
-    if (alpha < 1.0f || !opaque) {
-#else
-    mState.setPlaneAlpha(alpha / 255.0f);
+    if (disableTexture) {
+        mState.disableTexture();
+    }
 
-    if (alpha < 0xFF || !opaque) {
-#endif
+    if (color.a < 1.0f || !opaque) {
         glEnable(GL_BLEND);
         glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     } else {
@@ -231,33 +223,6 @@
 }
 
 #ifdef USE_HWC2
-void GLES20RenderEngine::setupDimLayerBlending(float alpha) {
-#else
-void GLES20RenderEngine::setupDimLayerBlending(int alpha) {
-#endif
-    mState.setPlaneAlpha(1.0f);
-    mState.setPremultipliedAlpha(true);
-    mState.setOpaque(false);
-#ifdef USE_HWC2
-    mState.setColor(0, 0, 0, alpha);
-#else
-    mState.setColor(0, 0, 0, alpha/255.0f);
-#endif
-    mState.disableTexture();
-
-#ifdef USE_HWC2
-    if (alpha == 1.0f) {
-#else
-    if (alpha == 0xFF) {
-#endif
-        glDisable(GL_BLEND);
-    } else {
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-    }
-}
-
-#ifdef USE_HWC2
 void GLES20RenderEngine::setColorMode(android_color_mode mode) {
     ALOGV("setColorMode: %s (0x%x)", decodeColorMode(mode).c_str(), mode);
 
@@ -355,10 +320,9 @@
 }
 
 void GLES20RenderEngine::setupFillWithColor(float r, float g, float b, float a) {
-    mState.setPlaneAlpha(1.0f);
     mState.setPremultipliedAlpha(true);
     mState.setOpaque(false);
-    mState.setColor(r, g, b, a);
+    mState.setColor(half4(r, g, b, a));
     mState.disableTexture();
     glDisable(GL_BLEND);
 }
diff --git a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
index eaf94af..5ac12fc 100644
--- a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.h
@@ -68,10 +68,9 @@
     virtual void setViewportAndProjection(size_t vpw, size_t vph,
             Rect sourceCrop, size_t hwh, bool yswap,
             Transform::orientation_flags rotation);
-#ifdef USE_HWC2
     virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
-            float alpha) override;
-    virtual void setupDimLayerBlending(float alpha) override;
+            bool disableTexture, const half4& color) override;
+#ifdef USE_HWC2
 
     // Color management related functions and state
     void setColorMode(android_color_mode mode);
@@ -92,10 +91,6 @@
 
     // Currently only supporting sRGB and DisplayP3 color spaces
     mat4 mSrgbToDisplayP3;
-#else
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
-            int alpha);
-    virtual void setupDimLayerBlending(int alpha);
 #endif
     bool mPlatformHasWideColor = false;
 
diff --git a/services/surfaceflinger/RenderEngine/Program.cpp b/services/surfaceflinger/RenderEngine/Program.cpp
index 48a8da5..e95a6c5 100644
--- a/services/surfaceflinger/RenderEngine/Program.cpp
+++ b/services/surfaceflinger/RenderEngine/Program.cpp
@@ -22,6 +22,7 @@
 #include "Program.h"
 #include "ProgramCache.h"
 #include "Description.h"
+#include <math/mat4.h>
 
 namespace android {
 
@@ -63,7 +64,6 @@
         mTextureMatrixLoc = glGetUniformLocation(programId, "texture");
         mSamplerLoc = glGetUniformLocation(programId, "sampler");
         mColorLoc = glGetUniformLocation(programId, "color");
-        mAlphaPlaneLoc = glGetUniformLocation(programId, "alphaPlane");
 
         // set-up the default values for our uniforms
         glUseProgram(programId);
@@ -132,11 +132,9 @@
         glUniform1i(mSamplerLoc, 0);
         glUniformMatrix4fv(mTextureMatrixLoc, 1, GL_FALSE, desc.mTexture.getMatrix().asArray());
     }
-    if (mAlphaPlaneLoc >= 0) {
-        glUniform1f(mAlphaPlaneLoc, desc.mPlaneAlpha);
-    }
     if (mColorLoc >= 0) {
-        glUniform4fv(mColorLoc, 1, desc.mColor);
+        const float* color = &static_cast<details::TVec4<float> const &>(desc.mColor)[0];
+        glUniform4fv(mColorLoc, 1, color);
     }
     if (mColorMatrixLoc >= 0) {
         glUniformMatrix4fv(mColorMatrixLoc, 1, GL_FALSE, desc.mColorMatrix.asArray());
diff --git a/services/surfaceflinger/RenderEngine/Program.h b/services/surfaceflinger/RenderEngine/Program.h
index 36bd120..a2ae2ee 100644
--- a/services/surfaceflinger/RenderEngine/Program.h
+++ b/services/surfaceflinger/RenderEngine/Program.h
@@ -79,9 +79,6 @@
     /* location of the sampler uniform */
     GLint mSamplerLoc;
 
-    /* location of the alpha plane uniform */
-    GLint mAlphaPlaneLoc;
-
     /* location of the color uniform */
     GLint mColorLoc;
 };
diff --git a/services/surfaceflinger/RenderEngine/ProgramCache.cpp b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
index 06b2252..b437545 100644
--- a/services/surfaceflinger/RenderEngine/ProgramCache.cpp
+++ b/services/surfaceflinger/RenderEngine/ProgramCache.cpp
@@ -89,7 +89,7 @@
 void ProgramCache::primeCache() {
     uint32_t shaderCount = 0;
     uint32_t keyMask = Key::BLEND_MASK | Key::OPACITY_MASK |
-                       Key::PLANE_ALPHA_MASK | Key::TEXTURE_MASK;
+                       Key::ALPHA_MASK | Key::TEXTURE_MASK;
     // Prime the cache for all combinations of the above masks,
     // leaving off the experimental color matrix mask options.
 
@@ -122,8 +122,8 @@
             description.mTexture.getTextureTarget() == GL_TEXTURE_EXTERNAL_OES ? Key::TEXTURE_EXT :
             description.mTexture.getTextureTarget() == GL_TEXTURE_2D           ? Key::TEXTURE_2D :
             Key::TEXTURE_OFF)
-    .set(Key::PLANE_ALPHA_MASK,
-            (description.mPlaneAlpha < 1) ? Key::PLANE_ALPHA_LT_ONE : Key::PLANE_ALPHA_EQ_ONE)
+    .set(Key::ALPHA_MASK,
+            (description.mColor.a < 1) ? Key::ALPHA_LT_ONE : Key::ALPHA_EQ_ONE)
     .set(Key::BLEND_MASK,
             description.mPremultipliedAlpha ? Key::BLEND_PREMULT : Key::BLEND_NORMAL)
     .set(Key::OPACITY_MASK,
@@ -168,12 +168,12 @@
     } else if (needs.getTextureTarget() == Key::TEXTURE_2D) {
         fs << "uniform sampler2D sampler;"
            << "varying vec2 outTexCoords;";
-    } else if (needs.getTextureTarget() == Key::TEXTURE_OFF) {
+    }
+
+    if (needs.getTextureTarget() == Key::TEXTURE_OFF || needs.hasAlpha()) {
         fs << "uniform vec4 color;";
     }
-    if (needs.hasPlaneAlpha()) {
-        fs << "uniform float alphaPlane;";
-    }
+
     if (needs.hasColorMatrix()) {
         fs << "uniform mat4 colorMatrix;";
     }
@@ -225,18 +225,19 @@
     if (needs.isTexturing()) {
         fs << "gl_FragColor = texture2D(sampler, outTexCoords);";
     } else {
-        fs << "gl_FragColor = color;";
+        fs << "gl_FragColor.rgb = color.rgb;";
+        fs << "gl_FragColor.a = 1.0;";
     }
     if (needs.isOpaque()) {
         fs << "gl_FragColor.a = 1.0;";
     }
-    if (needs.hasPlaneAlpha()) {
-        // modulate the alpha value with planeAlpha
+    if (needs.hasAlpha()) {
+        // modulate the current alpha value with alpha set
         if (needs.isPremultiplied()) {
             // ... and the color too if we're premultiplied
-            fs << "gl_FragColor *= alphaPlane;";
+            fs << "gl_FragColor *= color.a;";
         } else {
-            fs << "gl_FragColor.a *= alphaPlane;";
+            fs << "gl_FragColor.a *= color.a;";
         }
     }
 
diff --git a/services/surfaceflinger/RenderEngine/ProgramCache.h b/services/surfaceflinger/RenderEngine/ProgramCache.h
index 5b0fbcd..ff5cf0f 100644
--- a/services/surfaceflinger/RenderEngine/ProgramCache.h
+++ b/services/surfaceflinger/RenderEngine/ProgramCache.h
@@ -57,9 +57,9 @@
             OPACITY_TRANSLUCENT     =       0x00000000,
             OPACITY_MASK            =       0x00000002,
 
-            PLANE_ALPHA_LT_ONE      =       0x00000004,
-            PLANE_ALPHA_EQ_ONE      =       0x00000000,
-            PLANE_ALPHA_MASK        =       0x00000004,
+            ALPHA_LT_ONE            =       0x00000004,
+            ALPHA_EQ_ONE            =       0x00000000,
+            ALPHA_MASK              =       0x00000004,
 
             TEXTURE_OFF             =       0x00000000,
             TEXTURE_EXT             =       0x00000008,
@@ -95,8 +95,8 @@
         inline bool isOpaque() const {
             return (mKey & OPACITY_MASK) == OPACITY_OPAQUE;
         }
-        inline bool hasPlaneAlpha() const {
-            return (mKey & PLANE_ALPHA_MASK) == PLANE_ALPHA_LT_ONE;
+        inline bool hasAlpha() const {
+            return (mKey & ALPHA_MASK) == ALPHA_LT_ONE;
         }
         inline bool hasColorMatrix() const {
             return (mKey & COLOR_MATRIX_MASK) == COLOR_MATRIX_ON;
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.h b/services/surfaceflinger/RenderEngine/RenderEngine.h
index 9544579..fa65979 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.h
@@ -25,6 +25,7 @@
 #include <EGL/eglext.h>
 #include <math/mat4.h>
 #include <Transform.h>
+#include <gui/SurfaceControl.h>
 
 #define EGL_NO_CONFIG ((EGLConfig)0)
 
@@ -98,16 +99,13 @@
     virtual void checkErrors() const;
     virtual void setViewportAndProjection(size_t vpw, size_t vph,
             Rect sourceCrop, size_t hwh, bool yswap, Transform::orientation_flags rotation) = 0;
+    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
+            bool disableTexture, const half4& color) = 0;
 #ifdef USE_HWC2
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, float alpha) = 0;
-    virtual void setupDimLayerBlending(float alpha) = 0;
     virtual void setColorMode(android_color_mode mode) = 0;
     virtual void setSourceDataSpace(android_dataspace source) = 0;
     virtual void setWideColor(bool hasWideColor) = 0;
     virtual bool usesWideColor() = 0;
-#else
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha) = 0;
-    virtual void setupDimLayerBlending(int alpha) = 0;
 #endif
     virtual void setupLayerTexturing(const Texture& texture) = 0;
     virtual void setupLayerBlackedOut() = 0;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index cae4dea..f04cb88 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -73,7 +73,7 @@
 #include "EventThread.h"
 #include "Layer.h"
 #include "LayerVector.h"
-#include "LayerDim.h"
+#include "ColorLayer.h"
 #include "MonitoredProducer.h"
 #include "SurfaceFlinger.h"
 
@@ -630,11 +630,18 @@
 
     if (useVrFlinger) {
         auto vrFlingerRequestDisplayCallback = [this] (bool requestDisplay) {
-            ALOGI("VR request display mode: requestDisplay=%d", requestDisplay);
-            mVrFlingerRequestsDisplay = requestDisplay;
-            ConditionalLock _l(mStateLock,
-                    std::this_thread::get_id() != mMainThreadId);
-            signalTransaction();
+            // This callback is called from the vr flinger dispatch thread. We
+            // need to call signalTransaction(), which requires holding
+            // mStateLock when we're not on the main thread. Acquiring
+            // mStateLock from the vr flinger dispatch thread might trigger a
+            // deadlock in surface flinger (see b/66916578), so post a message
+            // to be handled on the main thread instead.
+            sp<LambdaMessage> message = new LambdaMessage([=]() {
+                ALOGI("VR request display mode: requestDisplay=%d", requestDisplay);
+                mVrFlingerRequestsDisplay = requestDisplay;
+                signalTransaction();
+            });
+            postMessageAsync(message);
         };
         mVrFlinger = dvr::VrFlinger::Create(mHwc->getComposer(),
                                             vrFlingerRequestDisplayCallback);
@@ -1739,7 +1746,7 @@
 
     // rebuild the visible layer list per screen
     if (CC_UNLIKELY(mVisibleRegionsDirty)) {
-        ATRACE_CALL();
+        ATRACE_NAME("rebuildLayerStacks VR Dirty");
         mVisibleRegionsDirty = false;
         invalidateHwcGeometry();
 
@@ -2437,7 +2444,7 @@
 
                 // compute the opaque region
                 const int32_t layerOrientation = tr.getOrientation();
-                if (s.alpha == 1.0f && !translucent &&
+                if (layer->getAlpha() == 1.0f && !translucent &&
                         ((layerOrientation & Transform::ROT_INVALID) == false)) {
                     // the opaque region is the layer's footprint
                     opaqueRegion = visibleRegion;
@@ -2725,7 +2732,7 @@
                     case HWC2::Composition::SolidColor: {
                         const Layer::State& state(layer->getDrawingState());
                         if (layer->getClearClientTarget(hwcId) && !firstLayer &&
-                                layer->isOpaque(state) && (state.alpha == 1.0f)
+                                layer->isOpaque(state) && (state.color.a == 1.0f)
                                 && hasClientComposition) {
                             // never clear the very first layer since we're
                             // guaranteed the FB is already cleared
@@ -3065,6 +3072,10 @@
             if (layer->setAlpha(s.alpha))
                 flags |= eTraversalNeeded;
         }
+        if (what & layer_state_t::eColorChanged) {
+            if (layer->setColor(s.color))
+                flags |= eTraversalNeeded;
+        }
         if (what & layer_state_t::eMatrixChanged) {
             if (layer->setMatrix(s.matrix))
                 flags |= eTraversalNeeded;
@@ -3121,10 +3132,8 @@
             // We don't trigger a traversal here because if no other state is
             // changed, we don't want this to cause any more work
         }
-        // Always re-parent the children that explicitly requested to get
-        // re-parented before the general re-parent of all children.
-        if (what & layer_state_t::eReparentChild) {
-            if (layer->reparentChild(s.parentHandleForChild, s.childHandle)) {
+        if (what & layer_state_t::eReparent) {
+            if (layer->reparent(s.parentHandleForChild)) {
                 flags |= eTransactionNeeded|eTraversalNeeded;
             }
         }
@@ -3170,8 +3179,8 @@
                     uniqueName, w, h, flags, format,
                     handle, gbp, &layer);
             break;
-        case ISurfaceComposerClient::eFXSurfaceDim:
-            result = createDimLayer(client,
+        case ISurfaceComposerClient::eFXSurfaceColor:
+            result = createColorLayer(client,
                     uniqueName, w, h, flags,
                     handle, gbp, &layer);
             break;
@@ -3253,11 +3262,11 @@
     return err;
 }
 
-status_t SurfaceFlinger::createDimLayer(const sp<Client>& client,
+status_t SurfaceFlinger::createColorLayer(const sp<Client>& client,
         const String8& name, uint32_t w, uint32_t h, uint32_t flags,
         sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
 {
-    *outLayer = new LayerDim(this, client, name, w, h, flags);
+    *outLayer = new ColorLayer(this, client, name, w, h, flags);
     *handle = (*outLayer)->getHandle();
     *gbp = (*outLayer)->getProducer();
     return NO_ERROR;
@@ -4596,7 +4605,7 @@
                     ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%.3f",
                             layer->isVisible() ? '+' : '-',
                             i, layer->getName().string(), layer->getLayerStack(), state.z,
-                            layer->isVisible(), state.flags, state.alpha);
+                            layer->isVisible(), state.flags, static_cast<float>(state.color.a));
                     i++;
                 });
             }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 1b77aaf..e87d35f 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -84,7 +84,7 @@
 class DisplayEventConnection;
 class EventThread;
 class Layer;
-class LayerDim;
+class ColorLayer;
 class Surface;
 class RenderEngine;
 class EventControlThread;
@@ -410,7 +410,7 @@
             sp<IBinder>* outHandle, sp<IGraphicBufferProducer>* outGbp,
             sp<Layer>* outLayer);
 
-    status_t createDimLayer(const sp<Client>& client, const String8& name,
+    status_t createColorLayer(const sp<Client>& client, const String8& name,
             uint32_t w, uint32_t h, uint32_t flags, sp<IBinder>* outHandle,
             sp<IGraphicBufferProducer>* outGbp, sp<Layer>* outLayer);
 
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 71aa52d..b002138 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -71,7 +71,7 @@
 #include "EventThread.h"
 #include "Layer.h"
 #include "LayerVector.h"
-#include "LayerDim.h"
+#include "ColorLayer.h"
 #include "MonitoredProducer.h"
 #include "SurfaceFlinger.h"
 
@@ -179,6 +179,8 @@
     maxFrameBufferAcquiredBuffers = getInt64< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers>(2);
 
+    mPrimaryDispSync.init(hasSyncFramework, dispSyncPresentTimeOffset);
+
     char value[PROPERTY_VALUE_MAX];
 
     property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");
@@ -2022,7 +2024,7 @@
 
                 // compute the opaque region
                 const int32_t layerOrientation = tr.getOrientation();
-                if (s.alpha==255 && !translucent &&
+                if (layer->getAlpha()==1.0f && !translucent &&
                         ((layerOrientation & Transform::ROT_INVALID) == false)) {
                     // the opaque region is the layer's footprint
                     opaqueRegion = visibleRegion;
@@ -2295,7 +2297,7 @@
                         const Layer::State& state(layer->getDrawingState());
                         if ((cur->getHints() & HWC_HINT_CLEAR_FB)
                                 && i
-                                && layer->isOpaque(state) && (state.alpha == 0xFF)
+                                && layer->isOpaque(state) && (state.color.a == 1.0f)
                                 && hasGlesComposition) {
                             // never clear the very first layer since we're
                             // guaranteed the FB is already cleared
@@ -2620,9 +2622,14 @@
             }
         }
         if (what & layer_state_t::eAlphaChanged) {
-            if (layer->setAlpha(uint8_t(255.0f*s.alpha+0.5f)))
+            if (layer->setAlpha(s.alpha))
                 flags |= eTraversalNeeded;
         }
+        if (what & layer_state_t::eColorChanged) {
+            if (layer->setColor(s.color)) {
+                flags |= eTraversalNeeded;
+            }
+        }
         if (what & layer_state_t::eMatrixChanged) {
             if (layer->setMatrix(s.matrix))
                 flags |= eTraversalNeeded;
@@ -2679,10 +2686,8 @@
             // We don't trigger a traversal here because if no other state is
             // changed, we don't want this to cause any more work
         }
-        // Always re-parent the children that explicitly requested to get
-        // re-parented before the general re-parent of all children.
-        if (what & layer_state_t::eReparentChild) {
-            if (layer->reparentChild(s.parentHandleForChild, s.childHandle)) {
+        if (what & layer_state_t::eReparent) {
+            if (layer->reparent(s.parentHandleForChild)) {
                 flags |= eTransactionNeeded|eTraversalNeeded;
             }
         }
@@ -2728,8 +2733,8 @@
                     uniqueName, w, h, flags, format,
                     handle, gbp, &layer);
             break;
-        case ISurfaceComposerClient::eFXSurfaceDim:
-            result = createDimLayer(client,
+        case ISurfaceComposerClient::eFXSurfaceColor:
+            result = createColorLayer(client,
                     uniqueName, w, h, flags,
                     handle, gbp, &layer);
             break;
@@ -2804,11 +2809,11 @@
     return err;
 }
 
-status_t SurfaceFlinger::createDimLayer(const sp<Client>& client,
+status_t SurfaceFlinger::createColorLayer(const sp<Client>& client,
         const String8& name, uint32_t w, uint32_t h, uint32_t flags,
         sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
 {
-    *outLayer = new LayerDim(this, client, name, w, h, flags);
+    *outLayer = new ColorLayer(this, client, name, w, h, flags);
     *handle = (*outLayer)->getHandle();
     *gbp = (*outLayer)->getProducer();
     return NO_ERROR;
@@ -4089,10 +4094,10 @@
             if (layer->getLayerStack() == hw->getLayerStack() && state.z >= minLayerZ &&
                     state.z <= maxLayerZ) {
                 layer->traverseInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
-                    ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%x",
+                    ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%.3f",
                             layer->isVisible() ? '+' : '-',
                             i, layer->getName().string(), layer->getLayerStack(), state.z,
-                            layer->isVisible(), state.flags, state.alpha);
+                            layer->isVisible(), state.flags, static_cast<float>(state.color.a));
                     i++;
                 });
             }
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index db489b2..eeb4929 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -98,7 +98,7 @@
     addPositionLocked(transaction, layerId, layer->mCurrentState.active.transform.tx(),
             layer->mCurrentState.active.transform.ty());
     addDepthLocked(transaction, layerId, layer->mCurrentState.z);
-    addAlphaLocked(transaction, layerId, layer->mCurrentState.alpha);
+    addAlphaLocked(transaction, layerId, layer->mCurrentState.color.a);
     addTransparentRegionLocked(transaction, layerId, layer->mCurrentState.activeTransparentRegion);
     addLayerStackLocked(transaction, layerId, layer->mCurrentState.layerStack);
     addCropLocked(transaction, layerId, layer->mCurrentState.crop);
diff --git a/services/surfaceflinger/tests/SurfaceFlinger_test.filter b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
index 6be708a..5c188dc 100644
--- a/services/surfaceflinger/tests/SurfaceFlinger_test.filter
+++ b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
@@ -1,5 +1,5 @@
 {
         "presubmit": {
-            "filter": "LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*:CropLatchingTest.*:GeometryLatchingTest.*"
+            "filter": "LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*:CropLatchingTest.*:GeometryLatchingTest.*:LayerColorTest.*"
         }
 }
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index dea6503..d285785 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -28,6 +28,7 @@
 #include <ui/DisplayInfo.h>
 
 #include <math.h>
+#include <math/vec3.h>
 
 namespace android {
 
@@ -788,6 +789,41 @@
     }
 }
 
+TEST_F(LayerUpdateTest, LayerWithNoBuffersResizesImmediately) {
+    sp<ScreenCapture> sc;
+
+    sp<SurfaceControl> childNoBuffer =
+        mComposerClient->createSurface(String8("Bufferless child"),
+                10, 10, PIXEL_FORMAT_RGBA_8888,
+                0, mFGSurfaceControl.get());
+    sp<SurfaceControl> childBuffer = mComposerClient->createSurface(
+            String8("Buffered child"), 20, 20,
+            PIXEL_FORMAT_RGBA_8888, 0, childNoBuffer.get());
+    fillSurfaceRGBA8(childBuffer, 200, 200, 200);
+
+    SurfaceComposerClient::openGlobalTransaction();
+    childNoBuffer->show();
+    childBuffer->show();
+    SurfaceComposerClient::closeGlobalTransaction();
+
+
+    {
+        ScreenCapture::captureScreen(&sc);
+        sc->expectChildColor(73, 73);
+        sc->expectFGColor(74, 74);
+    }
+
+    SurfaceComposerClient::openGlobalTransaction();
+    childNoBuffer->setSize(20, 20);
+    SurfaceComposerClient::closeGlobalTransaction(true);
+
+    {
+        ScreenCapture::captureScreen(&sc);
+        sc->expectChildColor(73, 73);
+        sc->expectChildColor(74, 74);
+    }
+}
+
 class ChildLayerTest : public LayerUpdateTest {
 protected:
     void SetUp() override {
@@ -1169,7 +1205,7 @@
     fillSurfaceRGBA8(mFGSurfaceControl, 0, 255, 0);
 }
 
-TEST_F(ChildLayerTest, ReparentChild) {
+TEST_F(ChildLayerTest, Reparent) {
     SurfaceComposerClient::openGlobalTransaction();
     mChild->show();
     mChild->setPosition(10, 10);
@@ -1185,7 +1221,7 @@
         // And 10 more pixels we should be back to the foreground surface
         mCapture->expectFGColor(84, 84);
     }
-    mFGSurfaceControl->reparentChild(mBGSurfaceControl->getHandle(), mChild->getHandle());
+    mChild->reparent(mBGSurfaceControl->getHandle());
     {
         ScreenCapture::captureScreen(&mCapture);
         mCapture->expectFGColor(64, 64);
@@ -1198,6 +1234,69 @@
     }
 }
 
+TEST_F(ChildLayerTest, ReparentToNoParent) {
+    SurfaceComposerClient::openGlobalTransaction();
+    mChild->show();
+    mChild->setPosition(10, 10);
+    mFGSurfaceControl->setPosition(64, 64);
+    SurfaceComposerClient::closeGlobalTransaction(true);
+
+    {
+        ScreenCapture::captureScreen(&mCapture);
+        // Top left of foreground must now be visible
+        mCapture->expectFGColor(64, 64);
+        // But 10 pixels in we should see the child surface
+        mCapture->expectChildColor(74, 74);
+        // And 10 more pixels we should be back to the foreground surface
+        mCapture->expectFGColor(84, 84);
+    }
+    mChild->reparent(nullptr);
+    {
+        ScreenCapture::captureScreen(&mCapture);
+        // Nothing should have changed.
+        mCapture->expectFGColor(64, 64);
+        mCapture->expectChildColor(74, 74);
+        mCapture->expectFGColor(84, 84);
+    }
+}
+
+TEST_F(ChildLayerTest, ReparentFromNoParent) {
+    sp<SurfaceControl> newSurface = mComposerClient->createSurface(
+        String8("New Surface"), 10, 10, PIXEL_FORMAT_RGBA_8888, 0);
+    ASSERT_TRUE(newSurface != NULL);
+    ASSERT_TRUE(newSurface->isValid());
+
+    fillSurfaceRGBA8(newSurface, 63, 195, 63);
+    SurfaceComposerClient::openGlobalTransaction();
+    mChild->hide();
+    newSurface->show();
+    newSurface->setPosition(10, 10);
+    newSurface->setLayer(INT32_MAX-2);
+    mFGSurfaceControl->setPosition(64, 64);
+    SurfaceComposerClient::closeGlobalTransaction(true);
+
+    {
+        ScreenCapture::captureScreen(&mCapture);
+        // Top left of foreground must now be visible
+        mCapture->expectFGColor(64, 64);
+        // At 10, 10 we should see the new surface
+        mCapture->checkPixel(10, 10, 63, 195, 63);
+    }
+
+    SurfaceComposerClient::openGlobalTransaction();
+    newSurface->reparent(mFGSurfaceControl->getHandle());
+    SurfaceComposerClient::closeGlobalTransaction(true);
+
+    {
+        ScreenCapture::captureScreen(&mCapture);
+        // newSurface will now be a child of mFGSurface so it will be 10, 10 offset from
+        // mFGSurface, putting it at 74, 74.
+        mCapture->expectFGColor(64, 64);
+        mCapture->checkPixel(74, 74, 63, 195, 63);
+        mCapture->expectFGColor(84, 84);
+    }
+}
+
 TEST_F(ChildLayerTest, NestedChildren) {
     sp<SurfaceControl> grandchild = mComposerClient->createSurface(
         String8("Grandchild surface"),
@@ -1213,4 +1312,97 @@
     }
 }
 
+class LayerColorTest : public LayerUpdateTest {
+ protected:
+    void SetUp() override {
+        LayerUpdateTest::SetUp();
+
+        mLayerColorControl = mComposerClient->createSurface(
+            String8("Layer color surface"),
+            128, 128, PIXEL_FORMAT_RGBA_8888,
+            ISurfaceComposerClient::eFXSurfaceColor);
+
+        ASSERT_TRUE(mLayerColorControl != NULL);
+        ASSERT_TRUE(mLayerColorControl->isValid());
+
+        SurfaceComposerClient::openGlobalTransaction();
+        ASSERT_EQ(NO_ERROR, mLayerColorControl->setLayer(INT32_MAX-1));
+        ASSERT_EQ(NO_ERROR, mLayerColorControl->setPosition(140, 140));
+        ASSERT_EQ(NO_ERROR, mLayerColorControl->hide());
+        ASSERT_EQ(NO_ERROR, mFGSurfaceControl->hide());
+        SurfaceComposerClient::closeGlobalTransaction(true);
+    }
+
+    void TearDown() override {
+        LayerUpdateTest::TearDown();
+        mLayerColorControl = 0;
+    }
+
+    sp<SurfaceControl> mLayerColorControl;
+};
+
+TEST_F(LayerColorTest, ColorLayerNoAlpha) {
+    sp<ScreenCapture> sc;
+
+    {
+        SCOPED_TRACE("before setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->expectBGColor(145, 145);
+    }
+
+
+    SurfaceComposerClient::openGlobalTransaction();
+    half3 color(43.0f/255.0f, 207.0f/255.0f, 131.0f/255.0f);
+    mLayerColorControl->setColor(color);
+    mLayerColorControl->show();
+    SurfaceComposerClient::closeGlobalTransaction(true);
+    {
+        // There should now be a color
+        SCOPED_TRACE("after setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->checkPixel(145, 145, 43, 207, 131);
+    }
+}
+
+TEST_F(LayerColorTest, ColorLayerWithAlpha) {
+    sp<ScreenCapture> sc;
+    {
+        SCOPED_TRACE("before setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->expectBGColor(145, 145);
+    }
+
+    SurfaceComposerClient::openGlobalTransaction();
+    half3 color(43.0f/255.0f, 207.0f/255.0f, 131.0f/255.0f);
+    mLayerColorControl->setColor(color);
+    mLayerColorControl->setAlpha(.75f);
+    mLayerColorControl->show();
+    SurfaceComposerClient::closeGlobalTransaction(true);
+    {
+        // There should now be a color with .75 alpha
+        SCOPED_TRACE("after setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->checkPixel(145, 145, 48, 171, 147);
+    }
+}
+
+TEST_F(LayerColorTest, ColorLayerWithNoColor) {
+    sp<ScreenCapture> sc;
+    {
+        SCOPED_TRACE("before setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->expectBGColor(145, 145);
+    }
+
+    SurfaceComposerClient::openGlobalTransaction();
+    mLayerColorControl->show();
+    SurfaceComposerClient::closeGlobalTransaction(true);
+    {
+        // There should now be set to 0,0,0 (black) as default.
+        SCOPED_TRACE("after setColor");
+        ScreenCapture::captureScreen(&sc);
+        sc->checkPixel(145, 145, 0, 0, 0);
+    }
+}
+
 }
diff --git a/services/surfaceflinger/tests/hwc2/Android.mk b/services/surfaceflinger/tests/hwc2/Android.mk
index 6d20349..010ac9c 100644
--- a/services/surfaceflinger/tests/hwc2/Android.mk
+++ b/services/surfaceflinger/tests/hwc2/Android.mk
@@ -37,7 +37,7 @@
     libgui \
     liblog \
     libsync \
-    libskia \
+    libhwui \
     android.hardware.graphics.common@1.0
 LOCAL_STATIC_LIBRARIES := \
     libbase \
diff --git a/vulkan/api/vulkan.api b/vulkan/api/vulkan.api
index 3a2b1ef..2981a95 100644
--- a/vulkan/api/vulkan.api
+++ b/vulkan/api/vulkan.api
@@ -28,7 +28,7 @@
 // API version (major.minor.patch)
 define VERSION_MAJOR 1
 define VERSION_MINOR 0
-define VERSION_PATCH 54
+define VERSION_PATCH 61
 
 // API limits
 define VK_MAX_PHYSICAL_DEVICE_NAME_SIZE 256
@@ -102,6 +102,10 @@
 @extension("VK_NV_glsl_shader") define VK_NV_GLSL_SHADER_SPEC_VERSION           1
 @extension("VK_NV_glsl_shader") define VK_NV_GLSL_SHADER_NAME                   "VK_NV_glsl_shader"
 
+// 14
+@extension("VK_EXT_depth_range_unrestricted") define VK_EXT_DEPTH_RANGE_UNRESTRICTED_SPEC_VERSION   1
+@extension("VK_EXT_depth_range_unrestricted") define VK_EXT_DEPTH_RANGE_UNRESTRICTED_NAME           "VK_EXT_depth_range_unrestricted"
+
 // 15
 @extension("VK_KHR_sampler_mirror_clamp_to_edge") define VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_SPEC_VERSION   1
 @extension("VK_KHR_sampler_mirror_clamp_to_edge") define VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_NAME           "VK_KHR_sampler_mirror_clamp_to_edge"
@@ -183,7 +187,7 @@
 @extension("VK_KHR_get_physical_device_properties2") define VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME "VK_KHR_get_physical_device_properties2"
 
 // 61
-@extension("VK_KHX_device_group") define VK_KHX_DEVICE_GROUP_SPEC_VERSION 1
+@extension("VK_KHX_device_group") define VK_KHX_DEVICE_GROUP_SPEC_VERSION 2
 @extension("VK_KHX_device_group") define VK_KHX_DEVICE_GROUP_EXTENSION_NAME "VK_KHX_device_group"
 
 // 62
@@ -267,7 +271,7 @@
 @extension("VK_KHR_descriptor_update_template") define VK_KHR_DESCRIPTOR_UPDATE_TEMPLATE_EXTENSION_NAME "VK_KHR_descriptor_update_template"
 
 // 87
-@extension("VK_NVX_device_generated_commands") define VK_NVX_DEVICE_GENERATED_COMMANDS_SPEC_VERSION 1
+@extension("VK_NVX_device_generated_commands") define VK_NVX_DEVICE_GENERATED_COMMANDS_SPEC_VERSION 3
 @extension("VK_NVX_device_generated_commands") define VK_NVX_DEVICE_GENERATED_COMMANDS_EXTENSION_NAME "VK_NVX_device_generated_commands"
 
 // 88
@@ -319,7 +323,7 @@
 @extension("VK_EXT_discard_rectangles") define VK_EXT_DISCARD_RECTANGLES_EXTENSION_NAME "VK_EXT_discard_rectangles"
 
 // 105
-@extension("VK_EXT_swapchain_colorspace") define VK_EXT_SWAPCHAIN_COLORSPACE_SPEC_VERSION 2
+@extension("VK_EXT_swapchain_colorspace") define VK_EXT_SWAPCHAIN_COLORSPACE_SPEC_VERSION 3
 @extension("VK_EXT_swapchain_colorspace") define VK_EXT_SWAPCHAIN_COLORSPACE_EXTENSION_NAME "VK_EXT_swapchain_colorspace"
 
 // 106
@@ -346,6 +350,10 @@
 @extension("VK_KHR_external_fence_fd") define VK_KHR_EXTERNAL_FENCE_FD_SPEC_VERSION 1
 @extension("VK_KHR_external_fence_fd") define VK_KHR_EXTERNAL_FENCE_FD_EXTENSION_NAME "VK_KHR_external_fence_fd"
 
+// 118
+@extension("VK_KHR_maintenance2") define VK_KHR_MAINTENANCE2_SPEC_VERSION 1
+@extension("VK_KHR_maintenance2") define VK_KHR_MAINTENANCE2_EXTENSION_NAME "VK_KHR_maintenance2"
+
 // 120
 @extension("VK_KHR_get_surface_capabilities2") define VK_KHR_GET_SURFACE_CAPABILITIES_2_SPEC_VERSION 1
 @extension("VK_KHR_get_surface_capabilities2") define VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME "VK_KHR_get_surface_capabilities2"
@@ -363,7 +371,7 @@
 @extension("VK_MVK_macos_surface") define VK_MVK_MACOS_SURFACE_EXTENSION_NAME "VK_MVK_macos_surface"
 
 // 128
-@extension("VK_KHR_dedicated_allocation") define VK_KHR_DEDICATED_ALLOCATION_SPEC_VERSION 1
+@extension("VK_KHR_dedicated_allocation") define VK_KHR_DEDICATED_ALLOCATION_SPEC_VERSION 3
 @extension("VK_KHR_dedicated_allocation") define VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME "VK_KHR_dedicated_allocation"
 
 // 131
@@ -378,10 +386,34 @@
 @extension("VK_AMD_gpu_shader_int16") define VK_AMD_GPU_SHADER_INT16_SPEC_VERSION 1
 @extension("VK_AMD_gpu_shader_int16") define VK_AMD_GPU_SHADER_INT16_EXTENSION_NAME "VK_AMD_gpu_shader_int16"
 
+// 137
+@extension("VK_AMD_mixed_attachment_samples") define VK_AMD_MIXED_ATTACHMENT_SAMPLES_SPEC_VERSION 1
+@extension("VK_AMD_mixed_attachment_samples") define VK_AMD_MIXED_ATTACHMENT_SAMPLES_EXTENSION_NAME "VK_AMD_mixed_attachment_samples"
+
+// 138
+@extension("VK_AMD_shader_fragment_mask") define VK_AMD_SHADER_FRAGMENT_MASK_SPEC_VERSION 1
+@extension("VK_AMD_shader_fragment_mask") define VK_AMD_SHADER_FRAGMENT_MASK_EXTENSION_NAME "VK_AMD_shader_fragment_mask"
+
+// 141
+@extension("VK_EXT_shader_stencil_export") define VK_EXT_SHADER_STENCIL_EXPORT_SPEC_VERSION 1
+@extension("VK_EXT_shader_stencil_export") define VK_EXT_SHADER_STENCIL_EXPORT_EXTENSION_NAME "VK_EXT_shader_stencil_export"
+
+// 144
+@extension("VK_EXT_sample_locations") define VK_EXT_SAMPLE_LOCATIONS_SPEC_VERSION 1
+@extension("VK_EXT_sample_locations") define VK_EXT_SAMPLE_LOCATIONS_EXTENSION_NAME "VK_EXT_sample_locations"
+
+// 145
+@extension("VK_KHR_relaxed_block_layout") define VK_KHR_RELAXED_BLOCK_LAYOUT_SPEC_VERSION 1
+@extension("VK_KHR_relaxed_block_layout") define VK_KHR_RELAXED_BLOCK_LAYOUT_EXTENSION_NAME "VK_KHR_relaxed_block_layout"
+
 // 147
 @extension("VK_KHR_get_memory_requirements2") define VK_KHR_GET_MEMORY_REQUIREMENTS2_SPEC_VERSION 1
 @extension("VK_KHR_get_memory_requirements2") define VK_KHR_GET_MEMORY_REQUIREMENTS2_EXTENSION_NAME "VK_KHR_get_memory_requirements2"
 
+// 148
+@extension("VK_KHR_image_format_list") define VK_KHR_IMAGE_FORMAT_LIST_SPEC_VERSION 1
+@extension("VK_KHR_image_format_list") define VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME "VK_KHR_image_format_list"
+
 // 149
 @extension("VK_EXT_blend_operation_advanced") define VK_EXT_BLEND_OPERATION_ADVANCED_SPEC_VERSION 2
 @extension("VK_EXT_blend_operation_advanced") define VK_EXT_BLEND_OPERATION_ADVANCED_EXTENSION_NAME "VK_EXT_blend_operation_advanced"
@@ -398,6 +430,26 @@
 @extension("VK_NV_fill_rectangle") define VK_NV_FILL_RECTANGLE_SPEC_VERSION 1
 @extension("VK_NV_fill_rectangle") define VK_NV_FILL_RECTANGLE_EXTENSION_NAME "VK_NV_fill_rectangle"
 
+// 156
+@extension("VK_EXT_post_depth_coverage") define VK_EXT_POST_DEPTH_COVERAGE_SPEC_VERSION 1
+@extension("VK_EXT_post_depth_coverage") define VK_EXT_POST_DEPTH_COVERAGE_EXTENSION_NAME "VK_EXT_post_depth_coverage"
+
+// 157
+@extension("VK_KHR_sampler_ycbcr_conversion") define VK_KHR_SAMPLER_YCBCR_CONVERSION_SPEC_VERSION 1
+@extension("VK_KHR_sampler_ycbcr_conversion") define VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME "VK_KHR_sampler_ycbcr_conversion"
+
+// 158
+@extension("VK_KHR_bind_memory2") define VK_KHR_BIND_MEMORY2_SPEC_VERSION 1
+@extension("VK_KHR_bind_memory2") define VK_KHR_BIND_MEMORY2_EXTENSION_NAME "VK_KHR_bind_memory2"
+
+// 161
+@extension("VK_EXT_validation_cache") define VK_EXT_VALIDATION_CACHE_SPEC_VERSION 1
+@extension("VK_EXT_validation_cache") define VK_EXT_VALIDATION_CACHE_EXTENSION_NAME "VK_EXT_validation_cache"
+
+// 165
+@extension("VK_EXT_shader_viewport_index_layer") define VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_SPEC_VERSION 1
+@extension("VK_EXT_shader_viewport_index_layer") define VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_EXTENSION_NAME "VK_EXT_shader_viewport_index_layer"
+
 /////////////
 //  Types  //
 /////////////
@@ -456,6 +508,11 @@
 @extension("VK_NVX_device_generated_commands") @nonDispatchHandle type u64 VkObjectTableNVX
 @extension("VK_NVX_device_generated_commands") @nonDispatchHandle type u64 VkIndirectCommandsLayoutNVX
 
+// 157
+@extension("VK_KHR_sampler_ycbcr_conversion") @nonDispatchHandle type u64 VkSamplerYcbcrConversionKHR
+
+// 161
+@extension("VK_EXT_validation_cache") @nonDispatchHandle type u64 VkValidationCacheEXT
 
 /////////////
 //  Enums  //
@@ -477,6 +534,10 @@
 
     //@extension("VK_KHR_shared_presentable_image") // 112
     VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR                      = 1000111000,
+
+    //@extension("VK_KHR_maintenance2") // 118
+    VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL_KHR  = 1000117000,
+    VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL_KHR  = 1000117001,
 }
 
 enum VkAttachmentLoadOp {
@@ -960,6 +1021,42 @@
     VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG                    = 1000054005,
     VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG                    = 1000054006,
     VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG                    = 1000054007,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_FORMAT_G8B8G8R8_422_UNORM_KHR                            = 1000156000,
+    VK_FORMAT_B8G8R8G8_422_UNORM_KHR                            = 1000156001,
+    VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM_KHR                     = 1000156002,
+    VK_FORMAT_G8_B8R8_2PLANE_420_UNORM_KHR                      = 1000156003,
+    VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM_KHR                     = 1000156004,
+    VK_FORMAT_G8_B8R8_2PLANE_422_UNORM_KHR                      = 1000156005,
+    VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM_KHR                     = 1000156006,
+    VK_FORMAT_R10X6_UNORM_PACK16_KHR                            = 1000156007,
+    VK_FORMAT_R10X6G10X6_UNORM_2PACK16_KHR                      = 1000156008,
+    VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16_KHR            = 1000156009,
+    VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR        = 1000156010,
+    VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR        = 1000156011,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_KHR    = 1000156012,
+    VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_KHR     = 1000156013,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16_KHR    = 1000156014,
+    VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16_KHR     = 1000156015,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16_KHR    = 1000156016,
+    VK_FORMAT_R12X4_UNORM_PACK16_KHR                            = 1000156017,
+    VK_FORMAT_R12X4G12X4_UNORM_2PACK16_KHR                      = 1000156018,
+    VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16_KHR            = 1000156019,
+    VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR        = 1000156020,
+    VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR        = 1000156021,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_KHR    = 1000156022,
+    VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_KHR     = 1000156023,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16_KHR    = 1000156024,
+    VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16_KHR     = 1000156025,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16_KHR    = 1000156026,
+    VK_FORMAT_G16B16G16R16_422_UNORM_KHR                        = 1000156027,
+    VK_FORMAT_B16G16R16G16_422_UNORM_KHR                        = 1000156028,
+    VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM_KHR                  = 1000156029,
+    VK_FORMAT_G16_B16R16_2PLANE_420_UNORM_KHR                   = 1000156030,
+    VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM_KHR                  = 1000156031,
+    VK_FORMAT_G16_B16R16_2PLANE_422_UNORM_KHR                   = 1000156032,
+    VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM_KHR                  = 1000156033,
 }
 
 /// Structure type enumerant
@@ -1096,8 +1193,6 @@
 
     //@extension("VK_KHX_device_group") // 61
     VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHX            = 1000060000,
-    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHX               = 1000060001,
-    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHX                = 1000060002,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_RENDER_PASS_BEGIN_INFO_KHX   = 1000060003,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_COMMAND_BUFFER_BEGIN_INFO_KHX = 1000060004,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_SUBMIT_INFO_KHX              = 1000060005,
@@ -1108,6 +1203,8 @@
     VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHX               = 1000060010,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_INFO_KHX             = 1000060011,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_SWAPCHAIN_CREATE_INFO_KHX    = 1000060012,
+    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_DEVICE_GROUP_INFO_KHX  = 1000060013,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_DEVICE_GROUP_INFO_KHX   = 1000060014,
 
     //@extension("VK_EXT_validation_flags") // 62
     VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT                      = 1000061000,
@@ -1183,7 +1280,7 @@
     VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_W_SCALING_STATE_CREATE_INFO_NV  = 1000087000,
 
     //@extension("VK_EXT_display_surface_counter") // 91
-    VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES2_EXT                 = 1000090000,
+    VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_EXT                = 1000090000,
 
     //@extension("VK_EXT_display_control") // 92
     VK_STRUCTURE_TYPE_DISPLAY_POWER_INFO_EXT                    = 1000091000,
@@ -1226,6 +1323,12 @@
     VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR                  = 1000115000,
     VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR                     = 1000115001,
 
+    //@extension("VK_KHR_maintenance2") // 118
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES_KHR             = 1000117000,
+    VK_STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR       = 1000117001,
+    VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO_KHR                          = 1000117002,
+    VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO_KHR = 1000117003,
+
     //@extension("VK_KHR_get_surface_capabilities2") // 120
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR        = 1000119000,
     VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR                = 1000119001,
@@ -1248,6 +1351,13 @@
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_FILTER_MINMAX_PROPERTIES_EXT = 1000130000,
     VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO_EXT = 1000130001,
 
+    //@extension("VK_EXT_sample_locations") // 144
+    VK_STRUCTURE_TYPE_SAMPLE_LOCATIONS_INFO_EXT                         = 1000143000,
+    VK_STRUCTURE_TYPE_RENDER_PASS_SAMPLE_LOCATIONS_BEGIN_INFO_EXT       = 1000143001,
+    VK_STRUCTURE_TYPE_PIPELINE_SAMPLE_LOCATIONS_STATE_CREATE_INFO_EXT   = 1000143002,
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLE_LOCATIONS_PROPERTIES_EXT   = 1000143003,
+    VK_STRUCTURE_TYPE_MULTISAMPLE_PROPERTIES_EXT                        = 1000143004,
+
     //@extension("VK_KHR_get_memory_requirements2") // 147
     VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR         = 1000146000,
     VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR          = 1000146001,
@@ -1255,6 +1365,9 @@
     VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR                     = 1000146003,
     VK_STRUCTURE_TYPE_SPARSE_IMAGE_MEMORY_REQUIREMENTS_2_KHR        = 1000146004,
 
+    //@extension("VK_KHR_image_format_list") // 148
+    VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO_KHR             = 1000147000,
+
     //@extension("VK_EXT_blend_operation_advanced") // 149
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_FEATURES_EXT = 1000148000,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_PROPERTIES_EXT = 1000148001,
@@ -1263,8 +1376,24 @@
     //@extension("VK_NV_fragment_coverage_to_color") // 150
     VK_STRUCTURE_TYPE_PIPELINE_COVERAGE_TO_COLOR_STATE_CREATE_INFO_NV = 1000149000,
 
-    //@structure("VK_NV_framebuffer_mixed_samples") // 153
+    //@extension("VK_NV_framebuffer_mixed_samples") // 153
     VK_STRUCTURE_TYPE_PIPELINE_COVERAGE_MODULATION_STATE_CREATE_INFO_NV = 1000152000,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO_KHR              = 1000156000,
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO_KHR                     = 1000156001,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_PLANE_MEMORY_INFO_KHR                      = 1000156002,
+    VK_STRUCTURE_TYPE_IMAGE_PLANE_MEMORY_REQUIREMENTS_INFO_KHR              = 1000156003,
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES_KHR = 1000156004,
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_IMAGE_FORMAT_PROPERTIES_KHR  = 1000156005,
+
+    //@extension("VK_KHR_bind_memory2") // 158
+    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR                       = 1000157000,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR                        = 1000157001,
+
+    //@extension("VK_EXT_validation_cache") // 161
+    VK_STRUCTURE_TYPE_VALIDATION_CACHE_CREATE_INFO_EXT                  = 1000160000,
+    VK_STRUCTURE_TYPE_SHADER_MODULE_VALIDATION_CACHE_CREATE_INFO_EXT    = 1000160001,
 }
 
 enum VkSubpassContents {
@@ -1343,6 +1472,9 @@
 
     //@extension("VK_EXT_discard_rectangles") // 100
     VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT                  = 1000099000,
+
+    //@extension("VK_EXT_sample_locations") // 144
+    VK_DYNAMIC_STATE_SAMPLE_LOCATIONS_EXT                   = 1000143000,
 }
 
 enum VkObjectType {
@@ -1392,6 +1524,12 @@
     //@extension("VK_NVX_device_generated_commands") // 87
     VK_OBJECT_TYPE_OBJECT_TABLE_NVX                         = 1000086000,
     VK_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX             = 1000086001,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION_KHR             = 1000156000,
+
+    //@extension("VK_EXT_validation_cache") // 161
+    VK_OBJECT_TYPE_VALIDATION_CACHE_EXT                     = 1000160000,
 }
 
 @extension("VK_KHR_surface") // 1
@@ -1463,8 +1601,14 @@
     VK_DEBUG_REPORT_OBJECT_TYPE_OBJECT_TABLE_NVX_EXT        = 31,
     VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT = 32,
 
+    //extension("VK_EXT_validation_cache") // 161
+    VK_DEBUG_REPORT_OBJECT_TYPE_VALIDATION_CACHE_EXT        = 33,
+
     //extension("VK_KHR_descriptor_update_template") // 86
     VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_KHR_EXT = 1000085000,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION_KHR_EXT = 1000156000,
 }
 
 @extension("VK_AMD_rasterization_order") // 19
@@ -1541,6 +1685,18 @@
     VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT = 1,
 }
 
+@extension("VK_KHR_maintenance2") // 118
+enum VkPointClippingBehaviorKHR {
+    VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR          = 0,
+    VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR    = 1,
+}
+
+@extension("VK_KHR_maintenance2") // 118
+enum VkTessellationDomainOriginKHR {
+    VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR            = 0,
+    VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR            = 1,
+}
+
 @extension("VK_EXT_sampler_filter_minmax") // 131
 enum VkSamplerReductionModeEXT {
     VK_SAMPLER_REDUCTION_MODE_WEIGHTED_AVERAGE_EXT          = 0,
@@ -1563,6 +1719,32 @@
     VK_COVERAGE_MODULATION_MODE_RGBA_NV                     = 3,
 }
 
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+enum VkSamplerYcbcrModelConversionKHR {
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY_KHR      = 0,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_IDENTITY_KHR    = 1,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709_KHR         = 2,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601_KHR         = 3,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_2020_KHR        = 4,
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+enum VkSamplerYcbcrRangeKHR {
+    VK_SAMPLER_YCBCR_RANGE_ITU_FULL_KHR                     = 0,
+    VK_SAMPLER_YCBCR_RANGE_ITU_NARROW_KHR                   = 1,
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+enum VkChromaLocationKHR {
+    VK_CHROMA_LOCATION_COSITED_EVEN_KHR                     = 0,
+    VK_CHROMA_LOCATION_MIDPOINT_KHR                         = 1,
+}
+
+@extension("VK_EXT_validation_cache") // 161
+enum VkValidationCacheHeaderVersionEXT {
+    VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT              = 1,
+}
+
 /////////////////
 //  Bitfields  //
 /////////////////
@@ -1698,6 +1880,19 @@
 
     //@extension("VK_KHX_device_group") // 61
     VK_IMAGE_CREATE_BIND_SFR_BIT_KHX                        = 0x00000040,
+
+    //@extension("VK_EXT_sample_locations") // 144
+    VK_IMAGE_CREATE_SAMPLE_LOCATIONS_COMPATIBLE_DEPTH_BIT_EXT = 0x00001000,
+
+    //@extension("VK_KHR_maintenance2") // 118
+    VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_KHR     = 0x00000080,
+    VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR                  = 0x00000100,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_IMAGE_CREATE_DISJOINT_BIT_KHR                        = 0x00000200,
+
+    //@extension("VK_KHR_bind_memory2") // 158
+    VK_IMAGE_CREATE_ALIAS_BIT_KHR                           = 0x00000400,
 }
 
 /// Image view creation flags
@@ -1763,6 +1958,15 @@
 
     //@extension("VK_EXT_sampler_filter_minmax") // 131
     VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT   = 0x00010000,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT_KHR                                                   = 0x00020000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT_KHR                              = 0x00040000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_SEPARATE_RECONSTRUCTION_FILTER_BIT_KHR             = 0x00080000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_CHROMA_RECONSTRUCTION_EXPLICIT_BIT_KHR             = 0x00100000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_CHROMA_RECONSTRUCTION_EXPLICIT_FORCEABLE_BIT_KHR   = 0x00200000,
+    VK_FORMAT_FEATURE_DISJOINT_BIT_KHR                                                                  = 0x00400000,
+    VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT_KHR                                                    = 0x00800000,
 }
 
 /// Query control flags
@@ -1826,6 +2030,11 @@
     VK_IMAGE_ASPECT_DEPTH_BIT                               = 0x00000002,
     VK_IMAGE_ASPECT_STENCIL_BIT                             = 0x00000004,
     VK_IMAGE_ASPECT_METADATA_BIT                            = 0x00000008,
+
+    //@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+    VK_IMAGE_ASPECT_PLANE_0_BIT_KHR                         = 0x00000010,
+    VK_IMAGE_ASPECT_PLANE_1_BIT_KHR                         = 0x00000020,
+    VK_IMAGE_ASPECT_PLANE_2_BIT_KHR                         = 0x00000040,
 }
 
 /// Sparse memory bind flags
@@ -2353,6 +2562,12 @@
 //bitfield VkPipelineCoverageModulationStateCreateFlagBitsNV {
 //}
 
+@extension("VK_EXT_validation_cache") // 161
+type VkFlags VkValidationCacheCreateFlagsEXT
+@extension("VK_EXT_validation_cache") // 161
+//bitfield VkValidationCacheCreateFlagBitsEXT {
+//}
+
 //////////////////
 //  Structures  //
 //////////////////
@@ -3901,23 +4116,17 @@
 }
 
 @extension("VK_KHX_device_group") // 61
-class VkBindBufferMemoryInfoKHX {
+class VkBindBufferMemoryDeviceGroupInfoKHX {
     VkStructureType                             sType
     const void*                                 pNext
-    VkBuffer                                    buffer
-    VkDeviceMemory                              memory
-    VkDeviceSize                                memoryOffset
     u32                                         deviceIndexCount
     const u32*                                  pDeviceIndices
 }
 
 @extension("VK_KHX_device_group") // 61
-class VkBindImageMemoryInfoKHX {
+class VkBindImageMemoryDeviceGroupInfoKHX {
     VkStructureType                             sType
     const void*                                 pNext
-    VkImage                                     image
-    VkDeviceMemory                              memory
-    VkDeviceSize                                memoryOffset
     u32                                         deviceIndexCount
     const u32*                                  pDeviceIndices
     u32                                         SFRRectCount
@@ -4674,6 +4883,42 @@
     VkExternalFenceHandleTypeFlagBitsKHR            handleType
 }
 
+@extension("VK_KHR_maintenance2") // 118
+class VkPhysicalDevicePointClippingPropertiesKHR {
+    VkStructureType                                 sType
+    void*                                           pNext
+    VkPointClippingBehaviorKHR                      pointClippingBehavior
+}
+
+@extension("VK_KHR_maintenance2") // 118
+class VkInputAttachmentAspectReferenceKHR {
+    u32                                             subpass
+    u32                                             inputAttachmentIndex
+    VkImageAspectFlags                              aspectMask
+}
+
+@extension("VK_KHR_maintenance2") // 118
+class VkRenderPassInputAttachmentAspectCreateInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    u32                                             aspectReferenceCount
+    const VkInputAttachmentAspectReferenceKHR*      pAspectReferences
+}
+
+@extension("VK_KHR_maintenance2") // 118
+class VkImageViewUsageCreateInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkImageUsageFlags                               usage
+}
+
+@extension("VK_KHR_maintenance2") // 118
+class VkPipelineTessellationDomainOriginStateCreateInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkTessellationDomainOriginKHR                   domainOrigin
+}
+
 @extension("VK_KHR_get_surface_capabilities2") // 120
 class VkPhysicalDeviceSurfaceInfo2KHR {
     VkStructureType                                 sType
@@ -4750,6 +4995,70 @@
     VkBool32                                        filterMinmaxImageComponentMapping
 }
 
+@extension("VK_EXT_sample_locations") // 144
+class VkSampleLocationEXT {
+    f32                                             x
+    f32                                             y
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkSampleLocationsInfoEXT {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkSampleCountFlagBits                           sampleLocationsPerPixel
+    VkExtent2D                                      sampleLocationGridSize
+    u32                                             sampleLocationsCount
+    const VkSampleLocationEXT*                      pSampleLocations
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkAttachmentSampleLocationsEXT {
+    u32                                             attachmentIndex
+    VkSampleLocationsInfoEXT                        sampleLocationsInfo
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkSubpassSampleLocationsEXT {
+    u32                                             subpassIndex
+    VkSampleLocationsInfoEXT                        sampleLocationsInfo
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkRenderPassSampleLocationsBeginInfoEXT {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    u32                                             attachmentInitialSampleLocationsCount
+    const VkAttachmentSampleLocationsEXT*           pAttachmentInitialSampleLocations
+    u32                                             postSubpassSampleLocationsCount
+    const VkSubpassSampleLocationsEXT*              pSubpassSampleLocations
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkPipelineSampleLocationsStateCreateInfoEXT {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkBool32                                        sampleLocationsEnable
+    VkSampleLocationsInfoEXT                        sampleLocationsInfo
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkPhysicalDeviceSampleLocationsPropertiesEXT {
+    VkStructureType                                 sType
+    void*                                           pNext
+    VkSampleCountFlags                              sampleLocationSampleCounts
+    VkExtent2D                                      maxSampleLocationGridSize
+    f32[2]                                          sampleLocationCoordinateRange
+    u32                                             sampleLocationSubPixelBits
+    VkBool32                                        variableSampleLocations
+}
+
+@extension("VK_EXT_sample_locations") // 144
+class VkMultisamplePropertiesEXT {
+    VkStructureType                                 sType
+    void*                                           pNext
+    VkExtent2D                                      maxSampleLocationGridSize
+}
+
 @extension("VK_KHR_get_memory_requirements2") // 147
 class VkBufferMemoryRequirementsInfo2KHR {
     VkStructureType                                 sType
@@ -4785,6 +5094,14 @@
     VkSparseImageMemoryRequirements                 memoryRequirements
 }
 
+@extension("VK_KHR_image_format_list") // 148
+class VkImageFormatListCreateInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    u32                                             viewFormatCount
+    const VkFormat*                                 pViewFormats
+}
+
 @extension("VK_EXT_blend_operation_advanced") // 149
 class VkPhysicalDeviceBlendOperationAdvancedFeaturesEXT {
     VkStructureType                                 sType
@@ -4833,6 +5150,89 @@
     const f32*                                      pCoverageModulationTable
 }
 
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkSamplerYcbcrConversionCreateInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkFormat                                        format
+    VkSamplerYcbcrModelConversionKHR                ycbcrModel
+    VkSamplerYcbcrRangeKHR                          ycbcrRange
+    VkComponentMapping                              components
+    VkChromaLocationKHR                             xChromaOffset
+    VkChromaLocationKHR                             yChromaOffset
+    VkFilter                                        chromaFilter
+    VkBool32                                        forceExplicitReconstruction
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkSamplerYcbcrConversionInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkSamplerYcbcrConversionKHR                     conversion
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkBindImagePlaneMemoryInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkImageAspectFlagBits                           planeAspect
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkImagePlaneMemoryRequirementsInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkImageAspectFlagBits                           planeAspect
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkPhysicalDeviceSamplerYcbcrConversionFeaturesKHR {
+    VkStructureType                                 sType
+    void*                                           pNext
+    VkBool32                                        samplerYcbcrConversion
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+class VkSamplerYcbcrConversionImageFormatPropertiesKHR {
+    VkStructureType                                 sType
+    void*                                           pNext
+    u32                                             combinedImageSamplerDescriptorCount
+}
+
+@extension("VK_KHR_bind_memory2") // 158
+class VkBindBufferMemoryInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkBuffer                                        buffer
+    VkDeviceMemory                                  memory
+    VkDeviceSize                                    memoryOffset
+}
+
+@extension("VK_KHR_bind_memory2") // 158
+class VkBindImageMemoryInfoKHR {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkImage                                         image
+    VkDeviceMemory                                  memory
+    VkDeviceSize                                    memoryOffset
+}
+
+@extension("VK_EXT_validation_cache") // 161
+class VkValidationCacheCreateInfoEXT {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkValidationCacheCreateFlagsEXT                 flags
+    platform.size_t                                 initialDataSize
+    const void*                                     pInitialData
+}
+
+@extension("VK_EXT_validation_cache") // 161
+class VkShaderModuleValidationCacheCreateInfoEXT {
+    VkStructureType                                 sType
+    const void*                                     pNext
+    VkValidationCacheEXT                            validationCache
+}
+
 ////////////////
 //  Commands  //
 ////////////////
@@ -7454,21 +7854,21 @@
 @extension("VK_EXT_debug_marker") // 23
 cmd VkResult vkDebugMarkerSetObjectTagEXT(
         VkDevice                                    device,
-        VkDebugMarkerObjectTagInfoEXT*              pTagInfo) {
+        const VkDebugMarkerObjectTagInfoEXT*        pTagInfo) {
     return ?
 }
 
 @extension("VK_EXT_debug_marker") // 23
 cmd VkResult vkDebugMarkerSetObjectNameEXT(
         VkDevice                                    device,
-        VkDebugMarkerObjectNameInfoEXT*             pNameInfo) {
+        const VkDebugMarkerObjectNameInfoEXT*       pNameInfo) {
     return ?
 }
 
 @extension("VK_EXT_debug_marker") // 23
 cmd void vkCmdDebugMarkerBeginEXT(
         VkCommandBuffer                             commandBuffer,
-        VkDebugMarkerMarkerInfoEXT*                 pMarkerInfo) {
+        const VkDebugMarkerMarkerInfoEXT*           pMarkerInfo) {
 }
 
 @extension("VK_EXT_debug_marker") // 23
@@ -7479,7 +7879,7 @@
 @extension("VK_EXT_debug_marker") // 23
 cmd void vkCmdDebugMarkerInsertEXT(
         VkCommandBuffer                             commandBuffer,
-        VkDebugMarkerMarkerInfoEXT*                 pMarkerInfo) {
+        const VkDebugMarkerMarkerInfoEXT*           pMarkerInfo) {
 }
 
 @extension("VK_AMD_draw_indirect_count") // 34
@@ -7584,22 +7984,6 @@
 }
 
 @extension("VK_KHX_device_group") // 61
-cmd VkResult vkBindBufferMemory2KHX(
-        VkDevice                                    device,
-        u32                                         bindInfoCount,
-        const VkBindBufferMemoryInfoKHX*            pBindInfos) {
-    return ?
-}
-
-@extension("VK_KHX_device_group") // 61
-cmd VkResult vkBindImageMemory2KHX(
-        VkDevice                                    device,
-        u32                                         bindInfoCount,
-        const VkBindImageMemoryInfoKHX*             pBindInfos) {
-    return ?
-}
-
-@extension("VK_KHX_device_group") // 61
 cmd void vkCmdSetDeviceMaskKHX(
         VkCommandBuffer                             commandBuffer,
         u32                                         deviceMask) {
@@ -8058,6 +8442,19 @@
     return ?
 }
 
+@extension("VK_EXT_sample_locations") // 144
+cmd void vkCmdSetSampleLocationsEXT(
+        VkCommandBuffer                             commandBuffer,
+        const VkSampleLocationsInfoEXT*             pSampleLocationsInfo) {
+}
+
+@extension("VK_EXT_sample_locations") // 144
+cmd void vkGetPhysicalDeviceMultisamplePropertiesEXT(
+        VkPhysicalDevice                            physicalDevice,
+        VkSampleCountFlagBits                       samples,
+        VkMultisamplePropertiesEXT*                 pMultisampleProperties) {
+}
+
 @extension("VK_KHR_get_memory_requirements2") // 147
 cmd void vkGetImageMemoryRequirements2KHR(
         VkDevice                                    device,
@@ -8080,6 +8477,72 @@
         VkSparseImageMemoryRequirements2KHR*            pSparseMemoryRequirements) {
 }
 
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+cmd VkResult vkCreateSamplerYcbcrConversionKHR(
+        VkDevice                                        device,
+        const VkSamplerYcbcrConversionCreateInfoKHR*    pCreateInfo,
+        const VkAllocationCallbacks*                    pAllocator,
+        VkSamplerYcbcrConversionKHR*                    pYcbcrConversion) {
+    return ?
+}
+
+@extension("VK_KHR_sampler_ycbcr_conversion") // 157
+cmd void vkDestroySamplerYcbcrConversionKHR(
+        VkDevice                                        device,
+        VkSamplerYcbcrConversionKHR                     ycbcrConversion,
+        const VkAllocationCallbacks*                    pAllocator) {
+}
+
+@extension("VK_KHR_bind_memory2") // 158
+cmd VkResult vkBindBufferMemory2KHR(
+        VkDevice                                        device,
+        u32                                             bindInfoCount,
+        const VkBindBufferMemoryInfoKHR*                pBindInfos) {
+    return ?
+}
+
+@extension("VK_KHR_bind_memory2") // 158
+cmd VkResult vkBindImageMemory2KHR(
+        VkDevice                                        device,
+        u32                                             bindInfoCount,
+        const VkBindImageMemoryInfoKHR*                 pBindInfos) {
+    return ?
+}
+
+@extension("VK_EXT_validation_cache") // 161
+cmd VkResult vkCreateValidationCacheEXT(
+        VkDevice                                    device,
+        const VkValidationCacheCreateInfoEXT*       pCreateInfo,
+        const VkAllocationCallbacks*                pAllocator,
+        VkValidationCacheEXT*                       pValidationCache) {
+    return ?
+}
+
+@extension("VK_EXT_validation_cache") // 161
+cmd void vkDestroyValidationCacheEXT(
+        VkDevice                                    device,
+        VkValidationCacheEXT                        validationCache,
+        const VkAllocationCallbacks*                pAllocator) {
+}
+
+@extension("VK_EXT_validation_cache") // 161
+cmd VkResult vkMergeValidationCachesEXT(
+        VkDevice                                    device,
+        VkValidationCacheEXT                        dstCache,
+        u32                                         srcCacheCount,
+        const VkValidationCacheEXT*                 pSrcCaches) {
+    return ?
+}
+
+@extension("VK_EXT_validation_cache") // 161
+cmd VkResult vkGetValidationCacheDataEXT(
+        VkDevice                                    device,
+        VkValidationCacheEXT                        validationCache,
+        platform.size_t*                            pDataSize,
+        void*                                       pData) {
+    return ?
+}
+
 ////////////////
 // Validation //
 ////////////////
diff --git a/vulkan/include/vulkan/vulkan.h b/vulkan/include/vulkan/vulkan.h
index 0271d38..7813e4b 100644
--- a/vulkan/include/vulkan/vulkan.h
+++ b/vulkan/include/vulkan/vulkan.h
@@ -34,16 +34,16 @@
     (((major) << 22) | ((minor) << 12) | (patch))
 
 // DEPRECATED: This define has been removed. Specific version defines (e.g. VK_API_VERSION_1_0), or the VK_MAKE_VERSION macro, should be used instead.
-//#define VK_API_VERSION VK_MAKE_VERSION(1, 0, 0)
+//#define VK_API_VERSION VK_MAKE_VERSION(1, 0, 0) // Patch version should always be set to 0
 
 // Vulkan 1.0 version number
-#define VK_API_VERSION_1_0 VK_MAKE_VERSION(1, 0, 0)
+#define VK_API_VERSION_1_0 VK_MAKE_VERSION(1, 0, 0)// Patch version should always be set to 0
 
 #define VK_VERSION_MAJOR(version) ((uint32_t)(version) >> 22)
 #define VK_VERSION_MINOR(version) (((uint32_t)(version) >> 12) & 0x3ff)
 #define VK_VERSION_PATCH(version) ((uint32_t)(version) & 0xfff)
 // Version of this file
-#define VK_HEADER_VERSION 54
+#define VK_HEADER_VERSION 61
 
 
 #define VK_NULL_HANDLE 0
@@ -241,16 +241,16 @@
     VK_STRUCTURE_TYPE_SPARSE_IMAGE_FORMAT_PROPERTIES_2_KHR = 1000059007,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SPARSE_IMAGE_FORMAT_INFO_2_KHR = 1000059008,
     VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHX = 1000060000,
-    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHX = 1000060001,
-    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHX = 1000060002,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_RENDER_PASS_BEGIN_INFO_KHX = 1000060003,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_COMMAND_BUFFER_BEGIN_INFO_KHX = 1000060004,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_SUBMIT_INFO_KHX = 1000060005,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_BIND_SPARSE_INFO_KHX = 1000060006,
+    VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHX = 1000060010,
+    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_DEVICE_GROUP_INFO_KHX = 1000060013,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_DEVICE_GROUP_INFO_KHX = 1000060014,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_CAPABILITIES_KHX = 1000060007,
     VK_STRUCTURE_TYPE_IMAGE_SWAPCHAIN_CREATE_INFO_KHX = 1000060008,
     VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_SWAPCHAIN_INFO_KHX = 1000060009,
-    VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHX = 1000060010,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_INFO_KHX = 1000060011,
     VK_STRUCTURE_TYPE_DEVICE_GROUP_SWAPCHAIN_CREATE_INFO_KHX = 1000060012,
     VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT = 1000061000,
@@ -293,7 +293,7 @@
     VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_LIMITS_NVX = 1000086004,
     VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_FEATURES_NVX = 1000086005,
     VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_W_SCALING_STATE_CREATE_INFO_NV = 1000087000,
-    VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES2_EXT = 1000090000,
+    VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_EXT = 1000090000,
     VK_STRUCTURE_TYPE_DISPLAY_POWER_INFO_EXT = 1000091000,
     VK_STRUCTURE_TYPE_DEVICE_EVENT_INFO_EXT = 1000091001,
     VK_STRUCTURE_TYPE_DISPLAY_EVENT_INFO_EXT = 1000091002,
@@ -313,6 +313,10 @@
     VK_STRUCTURE_TYPE_FENCE_GET_WIN32_HANDLE_INFO_KHR = 1000114002,
     VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR = 1000115000,
     VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR = 1000115001,
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES_KHR = 1000117000,
+    VK_STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR = 1000117001,
+    VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO_KHR = 1000117002,
+    VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO_KHR = 1000117003,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR = 1000119000,
     VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR = 1000119001,
     VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR = 1000119002,
@@ -323,16 +327,32 @@
     VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR = 1000127001,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_FILTER_MINMAX_PROPERTIES_EXT = 1000130000,
     VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO_EXT = 1000130001,
+    VK_STRUCTURE_TYPE_SAMPLE_LOCATIONS_INFO_EXT = 1000143000,
+    VK_STRUCTURE_TYPE_RENDER_PASS_SAMPLE_LOCATIONS_BEGIN_INFO_EXT = 1000143001,
+    VK_STRUCTURE_TYPE_PIPELINE_SAMPLE_LOCATIONS_STATE_CREATE_INFO_EXT = 1000143002,
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLE_LOCATIONS_PROPERTIES_EXT = 1000143003,
+    VK_STRUCTURE_TYPE_MULTISAMPLE_PROPERTIES_EXT = 1000143004,
     VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR = 1000146000,
     VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR = 1000146001,
     VK_STRUCTURE_TYPE_IMAGE_SPARSE_MEMORY_REQUIREMENTS_INFO_2_KHR = 1000146002,
     VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR = 1000146003,
     VK_STRUCTURE_TYPE_SPARSE_IMAGE_MEMORY_REQUIREMENTS_2_KHR = 1000146004,
+    VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO_KHR = 1000147000,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_FEATURES_EXT = 1000148000,
     VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_PROPERTIES_EXT = 1000148001,
     VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_ADVANCED_STATE_CREATE_INFO_EXT = 1000148002,
     VK_STRUCTURE_TYPE_PIPELINE_COVERAGE_TO_COLOR_STATE_CREATE_INFO_NV = 1000149000,
     VK_STRUCTURE_TYPE_PIPELINE_COVERAGE_MODULATION_STATE_CREATE_INFO_NV = 1000152000,
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO_KHR = 1000156000,
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO_KHR = 1000156001,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_PLANE_MEMORY_INFO_KHR = 1000156002,
+    VK_STRUCTURE_TYPE_IMAGE_PLANE_MEMORY_REQUIREMENTS_INFO_KHR = 1000156003,
+    VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES_KHR = 1000156004,
+    VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_IMAGE_FORMAT_PROPERTIES_KHR = 1000156005,
+    VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR = 1000157000,
+    VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR = 1000157001,
+    VK_STRUCTURE_TYPE_VALIDATION_CACHE_CREATE_INFO_EXT = 1000160000,
+    VK_STRUCTURE_TYPE_SHADER_MODULE_VALIDATION_CACHE_CREATE_INFO_EXT = 1000160001,
     VK_STRUCTURE_TYPE_BEGIN_RANGE = VK_STRUCTURE_TYPE_APPLICATION_INFO,
     VK_STRUCTURE_TYPE_END_RANGE = VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO,
     VK_STRUCTURE_TYPE_RANGE_SIZE = (VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO - VK_STRUCTURE_TYPE_APPLICATION_INFO + 1),
@@ -553,6 +573,40 @@
     VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG = 1000054005,
     VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG = 1000054006,
     VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG = 1000054007,
+    VK_FORMAT_G8B8G8R8_422_UNORM_KHR = 1000156000,
+    VK_FORMAT_B8G8R8G8_422_UNORM_KHR = 1000156001,
+    VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM_KHR = 1000156002,
+    VK_FORMAT_G8_B8R8_2PLANE_420_UNORM_KHR = 1000156003,
+    VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM_KHR = 1000156004,
+    VK_FORMAT_G8_B8R8_2PLANE_422_UNORM_KHR = 1000156005,
+    VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM_KHR = 1000156006,
+    VK_FORMAT_R10X6_UNORM_PACK16_KHR = 1000156007,
+    VK_FORMAT_R10X6G10X6_UNORM_2PACK16_KHR = 1000156008,
+    VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16_KHR = 1000156009,
+    VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR = 1000156010,
+    VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR = 1000156011,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_KHR = 1000156012,
+    VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_KHR = 1000156013,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16_KHR = 1000156014,
+    VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16_KHR = 1000156015,
+    VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16_KHR = 1000156016,
+    VK_FORMAT_R12X4_UNORM_PACK16_KHR = 1000156017,
+    VK_FORMAT_R12X4G12X4_UNORM_2PACK16_KHR = 1000156018,
+    VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16_KHR = 1000156019,
+    VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR = 1000156020,
+    VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR = 1000156021,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_KHR = 1000156022,
+    VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_KHR = 1000156023,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16_KHR = 1000156024,
+    VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16_KHR = 1000156025,
+    VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16_KHR = 1000156026,
+    VK_FORMAT_G16B16G16R16_422_UNORM_KHR = 1000156027,
+    VK_FORMAT_B16G16R16G16_422_UNORM_KHR = 1000156028,
+    VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM_KHR = 1000156029,
+    VK_FORMAT_G16_B16R16_2PLANE_420_UNORM_KHR = 1000156030,
+    VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM_KHR = 1000156031,
+    VK_FORMAT_G16_B16R16_2PLANE_422_UNORM_KHR = 1000156032,
+    VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM_KHR = 1000156033,
     VK_FORMAT_BEGIN_RANGE = VK_FORMAT_UNDEFINED,
     VK_FORMAT_END_RANGE = VK_FORMAT_ASTC_12x12_SRGB_BLOCK,
     VK_FORMAT_RANGE_SIZE = (VK_FORMAT_ASTC_12x12_SRGB_BLOCK - VK_FORMAT_UNDEFINED + 1),
@@ -621,6 +675,8 @@
     VK_IMAGE_LAYOUT_PREINITIALIZED = 8,
     VK_IMAGE_LAYOUT_PRESENT_SRC_KHR = 1000001002,
     VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR = 1000111000,
+    VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL_KHR = 1000117000,
+    VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL_KHR = 1000117001,
     VK_IMAGE_LAYOUT_BEGIN_RANGE = VK_IMAGE_LAYOUT_UNDEFINED,
     VK_IMAGE_LAYOUT_END_RANGE = VK_IMAGE_LAYOUT_PREINITIALIZED,
     VK_IMAGE_LAYOUT_RANGE_SIZE = (VK_IMAGE_LAYOUT_PREINITIALIZED - VK_IMAGE_LAYOUT_UNDEFINED + 1),
@@ -851,6 +907,7 @@
     VK_DYNAMIC_STATE_STENCIL_REFERENCE = 8,
     VK_DYNAMIC_STATE_VIEWPORT_W_SCALING_NV = 1000087000,
     VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT = 1000099000,
+    VK_DYNAMIC_STATE_SAMPLE_LOCATIONS_EXT = 1000143000,
     VK_DYNAMIC_STATE_BEGIN_RANGE = VK_DYNAMIC_STATE_VIEWPORT,
     VK_DYNAMIC_STATE_END_RANGE = VK_DYNAMIC_STATE_STENCIL_REFERENCE,
     VK_DYNAMIC_STATE_RANGE_SIZE = (VK_DYNAMIC_STATE_STENCIL_REFERENCE - VK_DYNAMIC_STATE_VIEWPORT + 1),
@@ -1009,6 +1066,8 @@
     VK_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_KHR = 1000085000,
     VK_OBJECT_TYPE_OBJECT_TABLE_NVX = 1000086000,
     VK_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX = 1000086001,
+    VK_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION_KHR = 1000156000,
+    VK_OBJECT_TYPE_VALIDATION_CACHE_EXT = 1000160000,
     VK_OBJECT_TYPE_BEGIN_RANGE = VK_OBJECT_TYPE_UNKNOWN,
     VK_OBJECT_TYPE_END_RANGE = VK_OBJECT_TYPE_COMMAND_POOL,
     VK_OBJECT_TYPE_RANGE_SIZE = (VK_OBJECT_TYPE_COMMAND_POOL - VK_OBJECT_TYPE_UNKNOWN + 1),
@@ -1035,6 +1094,13 @@
     VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR = 0x00004000,
     VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR = 0x00008000,
     VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT = 0x00010000,
+    VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT_KHR = 0x00020000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT_KHR = 0x00040000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_SEPARATE_RECONSTRUCTION_FILTER_BIT_KHR = 0x00080000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_CHROMA_RECONSTRUCTION_EXPLICIT_BIT_KHR = 0x00100000,
+    VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_CHROMA_RECONSTRUCTION_EXPLICIT_FORCEABLE_BIT_KHR = 0x00200000,
+    VK_FORMAT_FEATURE_DISJOINT_BIT_KHR = 0x00400000,
+    VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT_KHR = 0x00800000,
     VK_FORMAT_FEATURE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
 } VkFormatFeatureFlagBits;
 typedef VkFlags VkFormatFeatureFlags;
@@ -1060,6 +1126,11 @@
     VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT = 0x00000010,
     VK_IMAGE_CREATE_BIND_SFR_BIT_KHX = 0x00000040,
     VK_IMAGE_CREATE_2D_ARRAY_COMPATIBLE_BIT_KHR = 0x00000020,
+    VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_KHR = 0x00000080,
+    VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR = 0x00000100,
+    VK_IMAGE_CREATE_SAMPLE_LOCATIONS_COMPATIBLE_DEPTH_BIT_EXT = 0x00001000,
+    VK_IMAGE_CREATE_DISJOINT_BIT_KHR = 0x00000200,
+    VK_IMAGE_CREATE_ALIAS_BIT_KHR = 0x00000400,
     VK_IMAGE_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
 } VkImageCreateFlagBits;
 typedef VkFlags VkImageCreateFlags;
@@ -1133,6 +1204,9 @@
     VK_IMAGE_ASPECT_DEPTH_BIT = 0x00000002,
     VK_IMAGE_ASPECT_STENCIL_BIT = 0x00000004,
     VK_IMAGE_ASPECT_METADATA_BIT = 0x00000008,
+    VK_IMAGE_ASPECT_PLANE_0_BIT_KHR = 0x00000010,
+    VK_IMAGE_ASPECT_PLANE_1_BIT_KHR = 0x00000020,
+    VK_IMAGE_ASPECT_PLANE_2_BIT_KHR = 0x00000040,
     VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
 } VkImageAspectFlagBits;
 typedef VkFlags VkImageAspectFlags;
@@ -1366,6 +1440,27 @@
 } VkStencilFaceFlagBits;
 typedef VkFlags VkStencilFaceFlags;
 
+typedef struct VkApplicationInfo {
+    VkStructureType    sType;
+    const void*        pNext;
+    const char*        pApplicationName;
+    uint32_t           applicationVersion;
+    const char*        pEngineName;
+    uint32_t           engineVersion;
+    uint32_t           apiVersion;
+} VkApplicationInfo;
+
+typedef struct VkInstanceCreateInfo {
+    VkStructureType             sType;
+    const void*                 pNext;
+    VkInstanceCreateFlags       flags;
+    const VkApplicationInfo*    pApplicationInfo;
+    uint32_t                    enabledLayerCount;
+    const char* const*          ppEnabledLayerNames;
+    uint32_t                    enabledExtensionCount;
+    const char* const*          ppEnabledExtensionNames;
+} VkInstanceCreateInfo;
+
 typedef void* (VKAPI_PTR *PFN_vkAllocationFunction)(
     void*                                       pUserData,
     size_t                                      size,
@@ -1395,29 +1490,6 @@
     VkInternalAllocationType                    allocationType,
     VkSystemAllocationScope                     allocationScope);
 
-typedef void (VKAPI_PTR *PFN_vkVoidFunction)(void);
-
-typedef struct VkApplicationInfo {
-    VkStructureType    sType;
-    const void*        pNext;
-    const char*        pApplicationName;
-    uint32_t           applicationVersion;
-    const char*        pEngineName;
-    uint32_t           engineVersion;
-    uint32_t           apiVersion;
-} VkApplicationInfo;
-
-typedef struct VkInstanceCreateInfo {
-    VkStructureType             sType;
-    const void*                 pNext;
-    VkInstanceCreateFlags       flags;
-    const VkApplicationInfo*    pApplicationInfo;
-    uint32_t                    enabledLayerCount;
-    const char* const*          ppEnabledLayerNames;
-    uint32_t                    enabledExtensionCount;
-    const char* const*          ppEnabledExtensionNames;
-} VkInstanceCreateInfo;
-
 typedef struct VkAllocationCallbacks {
     void*                                   pUserData;
     PFN_vkAllocationFunction                pfnAllocation;
@@ -1658,6 +1730,7 @@
     VkMemoryHeap    memoryHeaps[VK_MAX_MEMORY_HEAPS];
 } VkPhysicalDeviceMemoryProperties;
 
+typedef void (VKAPI_PTR *PFN_vkVoidFunction)(void);
 typedef struct VkDeviceQueueCreateInfo {
     VkStructureType             sType;
     const void*                 pNext;
@@ -4774,6 +4847,62 @@
     int*                                        pFd);
 #endif
 
+#define VK_KHR_maintenance2 1
+#define VK_KHR_MAINTENANCE2_SPEC_VERSION  1
+#define VK_KHR_MAINTENANCE2_EXTENSION_NAME "VK_KHR_maintenance2"
+
+
+typedef enum VkPointClippingBehaviorKHR {
+    VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR = 0,
+    VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR = 1,
+    VK_POINT_CLIPPING_BEHAVIOR_BEGIN_RANGE_KHR = VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR,
+    VK_POINT_CLIPPING_BEHAVIOR_END_RANGE_KHR = VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR,
+    VK_POINT_CLIPPING_BEHAVIOR_RANGE_SIZE_KHR = (VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR - VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR + 1),
+    VK_POINT_CLIPPING_BEHAVIOR_MAX_ENUM_KHR = 0x7FFFFFFF
+} VkPointClippingBehaviorKHR;
+
+typedef enum VkTessellationDomainOriginKHR {
+    VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR = 0,
+    VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR = 1,
+    VK_TESSELLATION_DOMAIN_ORIGIN_BEGIN_RANGE_KHR = VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR,
+    VK_TESSELLATION_DOMAIN_ORIGIN_END_RANGE_KHR = VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR,
+    VK_TESSELLATION_DOMAIN_ORIGIN_RANGE_SIZE_KHR = (VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR - VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR + 1),
+    VK_TESSELLATION_DOMAIN_ORIGIN_MAX_ENUM_KHR = 0x7FFFFFFF
+} VkTessellationDomainOriginKHR;
+
+typedef struct VkPhysicalDevicePointClippingPropertiesKHR {
+    VkStructureType               sType;
+    void*                         pNext;
+    VkPointClippingBehaviorKHR    pointClippingBehavior;
+} VkPhysicalDevicePointClippingPropertiesKHR;
+
+typedef struct VkInputAttachmentAspectReferenceKHR {
+    uint32_t              subpass;
+    uint32_t              inputAttachmentIndex;
+    VkImageAspectFlags    aspectMask;
+} VkInputAttachmentAspectReferenceKHR;
+
+typedef struct VkRenderPassInputAttachmentAspectCreateInfoKHR {
+    VkStructureType                               sType;
+    const void*                                   pNext;
+    uint32_t                                      aspectReferenceCount;
+    const VkInputAttachmentAspectReferenceKHR*    pAspectReferences;
+} VkRenderPassInputAttachmentAspectCreateInfoKHR;
+
+typedef struct VkImageViewUsageCreateInfoKHR {
+    VkStructureType      sType;
+    const void*          pNext;
+    VkImageUsageFlags    usage;
+} VkImageViewUsageCreateInfoKHR;
+
+typedef struct VkPipelineTessellationDomainOriginStateCreateInfoKHR {
+    VkStructureType                  sType;
+    const void*                      pNext;
+    VkTessellationDomainOriginKHR    domainOrigin;
+} VkPipelineTessellationDomainOriginStateCreateInfoKHR;
+
+
+
 #define VK_KHR_get_surface_capabilities2 1
 #define VK_KHR_GET_SURFACE_CAPABILITIES_2_SPEC_VERSION 1
 #define VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME "VK_KHR_get_surface_capabilities2"
@@ -4827,7 +4956,7 @@
 
 
 #define VK_KHR_dedicated_allocation 1
-#define VK_KHR_DEDICATED_ALLOCATION_SPEC_VERSION 1
+#define VK_KHR_DEDICATED_ALLOCATION_SPEC_VERSION 3
 #define VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME "VK_KHR_dedicated_allocation"
 
 typedef struct VkMemoryDedicatedRequirementsKHR {
@@ -4851,6 +4980,11 @@
 #define VK_KHR_STORAGE_BUFFER_STORAGE_CLASS_EXTENSION_NAME "VK_KHR_storage_buffer_storage_class"
 
 
+#define VK_KHR_relaxed_block_layout 1
+#define VK_KHR_RELAXED_BLOCK_LAYOUT_SPEC_VERSION 1
+#define VK_KHR_RELAXED_BLOCK_LAYOUT_EXTENSION_NAME "VK_KHR_relaxed_block_layout"
+
+
 #define VK_KHR_get_memory_requirements2 1
 #define VK_KHR_GET_MEMORY_REQUIREMENTS_2_SPEC_VERSION 1
 #define VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME "VK_KHR_get_memory_requirements2"
@@ -4908,6 +5042,152 @@
     VkSparseImageMemoryRequirements2KHR*        pSparseMemoryRequirements);
 #endif
 
+#define VK_KHR_image_format_list 1
+#define VK_KHR_IMAGE_FORMAT_LIST_SPEC_VERSION 1
+#define VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME "VK_KHR_image_format_list"
+
+typedef struct VkImageFormatListCreateInfoKHR {
+    VkStructureType    sType;
+    const void*        pNext;
+    uint32_t           viewFormatCount;
+    const VkFormat*    pViewFormats;
+} VkImageFormatListCreateInfoKHR;
+
+
+
+#define VK_KHR_sampler_ycbcr_conversion 1
+VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkSamplerYcbcrConversionKHR)
+
+#define VK_KHR_SAMPLER_YCBCR_CONVERSION_SPEC_VERSION 1
+#define VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME "VK_KHR_sampler_ycbcr_conversion"
+
+
+typedef enum VkSamplerYcbcrModelConversionKHR {
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY_KHR = 0,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_IDENTITY_KHR = 1,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709_KHR = 2,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601_KHR = 3,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_2020_KHR = 4,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_BEGIN_RANGE_KHR = VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY_KHR,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_END_RANGE_KHR = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_2020_KHR,
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_RANGE_SIZE_KHR = (VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_2020_KHR - VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY_KHR + 1),
+    VK_SAMPLER_YCBCR_MODEL_CONVERSION_MAX_ENUM_KHR = 0x7FFFFFFF
+} VkSamplerYcbcrModelConversionKHR;
+
+typedef enum VkSamplerYcbcrRangeKHR {
+    VK_SAMPLER_YCBCR_RANGE_ITU_FULL_KHR = 0,
+    VK_SAMPLER_YCBCR_RANGE_ITU_NARROW_KHR = 1,
+    VK_SAMPLER_YCBCR_RANGE_BEGIN_RANGE_KHR = VK_SAMPLER_YCBCR_RANGE_ITU_FULL_KHR,
+    VK_SAMPLER_YCBCR_RANGE_END_RANGE_KHR = VK_SAMPLER_YCBCR_RANGE_ITU_NARROW_KHR,
+    VK_SAMPLER_YCBCR_RANGE_RANGE_SIZE_KHR = (VK_SAMPLER_YCBCR_RANGE_ITU_NARROW_KHR - VK_SAMPLER_YCBCR_RANGE_ITU_FULL_KHR + 1),
+    VK_SAMPLER_YCBCR_RANGE_MAX_ENUM_KHR = 0x7FFFFFFF
+} VkSamplerYcbcrRangeKHR;
+
+typedef enum VkChromaLocationKHR {
+    VK_CHROMA_LOCATION_COSITED_EVEN_KHR = 0,
+    VK_CHROMA_LOCATION_MIDPOINT_KHR = 1,
+    VK_CHROMA_LOCATION_BEGIN_RANGE_KHR = VK_CHROMA_LOCATION_COSITED_EVEN_KHR,
+    VK_CHROMA_LOCATION_END_RANGE_KHR = VK_CHROMA_LOCATION_MIDPOINT_KHR,
+    VK_CHROMA_LOCATION_RANGE_SIZE_KHR = (VK_CHROMA_LOCATION_MIDPOINT_KHR - VK_CHROMA_LOCATION_COSITED_EVEN_KHR + 1),
+    VK_CHROMA_LOCATION_MAX_ENUM_KHR = 0x7FFFFFFF
+} VkChromaLocationKHR;
+
+typedef struct VkSamplerYcbcrConversionCreateInfoKHR {
+    VkStructureType                     sType;
+    const void*                         pNext;
+    VkFormat                            format;
+    VkSamplerYcbcrModelConversionKHR    ycbcrModel;
+    VkSamplerYcbcrRangeKHR              ycbcrRange;
+    VkComponentMapping                  components;
+    VkChromaLocationKHR                 xChromaOffset;
+    VkChromaLocationKHR                 yChromaOffset;
+    VkFilter                            chromaFilter;
+    VkBool32                            forceExplicitReconstruction;
+} VkSamplerYcbcrConversionCreateInfoKHR;
+
+typedef struct VkSamplerYcbcrConversionInfoKHR {
+    VkStructureType                sType;
+    const void*                    pNext;
+    VkSamplerYcbcrConversionKHR    conversion;
+} VkSamplerYcbcrConversionInfoKHR;
+
+typedef struct VkBindImagePlaneMemoryInfoKHR {
+    VkStructureType          sType;
+    const void*              pNext;
+    VkImageAspectFlagBits    planeAspect;
+} VkBindImagePlaneMemoryInfoKHR;
+
+typedef struct VkImagePlaneMemoryRequirementsInfoKHR {
+    VkStructureType          sType;
+    const void*              pNext;
+    VkImageAspectFlagBits    planeAspect;
+} VkImagePlaneMemoryRequirementsInfoKHR;
+
+typedef struct VkPhysicalDeviceSamplerYcbcrConversionFeaturesKHR {
+    VkStructureType    sType;
+    void*              pNext;
+    VkBool32           samplerYcbcrConversion;
+} VkPhysicalDeviceSamplerYcbcrConversionFeaturesKHR;
+
+typedef struct VkSamplerYcbcrConversionImageFormatPropertiesKHR {
+    VkStructureType    sType;
+    void*              pNext;
+    uint32_t           combinedImageSamplerDescriptorCount;
+} VkSamplerYcbcrConversionImageFormatPropertiesKHR;
+
+
+typedef VkResult (VKAPI_PTR *PFN_vkCreateSamplerYcbcrConversionKHR)(VkDevice device, const VkSamplerYcbcrConversionCreateInfoKHR* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkSamplerYcbcrConversionKHR* pYcbcrConversion);
+typedef void (VKAPI_PTR *PFN_vkDestroySamplerYcbcrConversionKHR)(VkDevice device, VkSamplerYcbcrConversionKHR ycbcrConversion, const VkAllocationCallbacks* pAllocator);
+
+#ifndef VK_NO_PROTOTYPES
+VKAPI_ATTR VkResult VKAPI_CALL vkCreateSamplerYcbcrConversionKHR(
+    VkDevice                                    device,
+    const VkSamplerYcbcrConversionCreateInfoKHR* pCreateInfo,
+    const VkAllocationCallbacks*                pAllocator,
+    VkSamplerYcbcrConversionKHR*                pYcbcrConversion);
+
+VKAPI_ATTR void VKAPI_CALL vkDestroySamplerYcbcrConversionKHR(
+    VkDevice                                    device,
+    VkSamplerYcbcrConversionKHR                 ycbcrConversion,
+    const VkAllocationCallbacks*                pAllocator);
+#endif
+
+#define VK_KHR_bind_memory2 1
+#define VK_KHR_BIND_MEMORY_2_SPEC_VERSION 1
+#define VK_KHR_BIND_MEMORY_2_EXTENSION_NAME "VK_KHR_bind_memory2"
+
+typedef struct VkBindBufferMemoryInfoKHR {
+    VkStructureType    sType;
+    const void*        pNext;
+    VkBuffer           buffer;
+    VkDeviceMemory     memory;
+    VkDeviceSize       memoryOffset;
+} VkBindBufferMemoryInfoKHR;
+
+typedef struct VkBindImageMemoryInfoKHR {
+    VkStructureType    sType;
+    const void*        pNext;
+    VkImage            image;
+    VkDeviceMemory     memory;
+    VkDeviceSize       memoryOffset;
+} VkBindImageMemoryInfoKHR;
+
+
+typedef VkResult (VKAPI_PTR *PFN_vkBindBufferMemory2KHR)(VkDevice device, uint32_t bindInfoCount, const VkBindBufferMemoryInfoKHR* pBindInfos);
+typedef VkResult (VKAPI_PTR *PFN_vkBindImageMemory2KHR)(VkDevice device, uint32_t bindInfoCount, const VkBindImageMemoryInfoKHR* pBindInfos);
+
+#ifndef VK_NO_PROTOTYPES
+VKAPI_ATTR VkResult VKAPI_CALL vkBindBufferMemory2KHR(
+    VkDevice                                    device,
+    uint32_t                                    bindInfoCount,
+    const VkBindBufferMemoryInfoKHR*            pBindInfos);
+
+VKAPI_ATTR VkResult VKAPI_CALL vkBindImageMemory2KHR(
+    VkDevice                                    device,
+    uint32_t                                    bindInfoCount,
+    const VkBindImageMemoryInfoKHR*             pBindInfos);
+#endif
+
 #define VK_EXT_debug_report 1
 VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkDebugReportCallbackEXT)
 
@@ -4951,10 +5231,12 @@
     VK_DEBUG_REPORT_OBJECT_TYPE_DISPLAY_MODE_KHR_EXT = 30,
     VK_DEBUG_REPORT_OBJECT_TYPE_OBJECT_TABLE_NVX_EXT = 31,
     VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT = 32,
+    VK_DEBUG_REPORT_OBJECT_TYPE_VALIDATION_CACHE_EXT = 33,
     VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_KHR_EXT = 1000085000,
+    VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION_KHR_EXT = 1000156000,
     VK_DEBUG_REPORT_OBJECT_TYPE_BEGIN_RANGE_EXT = VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT,
-    VK_DEBUG_REPORT_OBJECT_TYPE_END_RANGE_EXT = VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT,
-    VK_DEBUG_REPORT_OBJECT_TYPE_RANGE_SIZE_EXT = (VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT - VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT + 1),
+    VK_DEBUG_REPORT_OBJECT_TYPE_END_RANGE_EXT = VK_DEBUG_REPORT_OBJECT_TYPE_VALIDATION_CACHE_EXT,
+    VK_DEBUG_REPORT_OBJECT_TYPE_RANGE_SIZE_EXT = (VK_DEBUG_REPORT_OBJECT_TYPE_VALIDATION_CACHE_EXT - VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT + 1),
     VK_DEBUG_REPORT_OBJECT_TYPE_MAX_ENUM_EXT = 0x7FFFFFFF
 } VkDebugReportObjectTypeEXT;
 
@@ -5021,6 +5303,11 @@
 #define VK_NV_GLSL_SHADER_EXTENSION_NAME  "VK_NV_glsl_shader"
 
 
+#define VK_EXT_depth_range_unrestricted 1
+#define VK_EXT_DEPTH_RANGE_UNRESTRICTED_SPEC_VERSION 1
+#define VK_EXT_DEPTH_RANGE_UNRESTRICTED_EXTENSION_NAME "VK_EXT_depth_range_unrestricted"
+
+
 #define VK_IMG_filter_cubic 1
 #define VK_IMG_FILTER_CUBIC_SPEC_VERSION  1
 #define VK_IMG_FILTER_CUBIC_EXTENSION_NAME "VK_IMG_filter_cubic"
@@ -5088,31 +5375,31 @@
 } VkDebugMarkerMarkerInfoEXT;
 
 
-typedef VkResult (VKAPI_PTR *PFN_vkDebugMarkerSetObjectTagEXT)(VkDevice device, VkDebugMarkerObjectTagInfoEXT* pTagInfo);
-typedef VkResult (VKAPI_PTR *PFN_vkDebugMarkerSetObjectNameEXT)(VkDevice device, VkDebugMarkerObjectNameInfoEXT* pNameInfo);
-typedef void (VKAPI_PTR *PFN_vkCmdDebugMarkerBeginEXT)(VkCommandBuffer commandBuffer, VkDebugMarkerMarkerInfoEXT* pMarkerInfo);
+typedef VkResult (VKAPI_PTR *PFN_vkDebugMarkerSetObjectTagEXT)(VkDevice device, const VkDebugMarkerObjectTagInfoEXT* pTagInfo);
+typedef VkResult (VKAPI_PTR *PFN_vkDebugMarkerSetObjectNameEXT)(VkDevice device, const VkDebugMarkerObjectNameInfoEXT* pNameInfo);
+typedef void (VKAPI_PTR *PFN_vkCmdDebugMarkerBeginEXT)(VkCommandBuffer commandBuffer, const VkDebugMarkerMarkerInfoEXT* pMarkerInfo);
 typedef void (VKAPI_PTR *PFN_vkCmdDebugMarkerEndEXT)(VkCommandBuffer commandBuffer);
-typedef void (VKAPI_PTR *PFN_vkCmdDebugMarkerInsertEXT)(VkCommandBuffer commandBuffer, VkDebugMarkerMarkerInfoEXT* pMarkerInfo);
+typedef void (VKAPI_PTR *PFN_vkCmdDebugMarkerInsertEXT)(VkCommandBuffer commandBuffer, const VkDebugMarkerMarkerInfoEXT* pMarkerInfo);
 
 #ifndef VK_NO_PROTOTYPES
 VKAPI_ATTR VkResult VKAPI_CALL vkDebugMarkerSetObjectTagEXT(
     VkDevice                                    device,
-    VkDebugMarkerObjectTagInfoEXT*              pTagInfo);
+    const VkDebugMarkerObjectTagInfoEXT*        pTagInfo);
 
 VKAPI_ATTR VkResult VKAPI_CALL vkDebugMarkerSetObjectNameEXT(
     VkDevice                                    device,
-    VkDebugMarkerObjectNameInfoEXT*             pNameInfo);
+    const VkDebugMarkerObjectNameInfoEXT*       pNameInfo);
 
 VKAPI_ATTR void VKAPI_CALL vkCmdDebugMarkerBeginEXT(
     VkCommandBuffer                             commandBuffer,
-    VkDebugMarkerMarkerInfoEXT*                 pMarkerInfo);
+    const VkDebugMarkerMarkerInfoEXT*           pMarkerInfo);
 
 VKAPI_ATTR void VKAPI_CALL vkCmdDebugMarkerEndEXT(
     VkCommandBuffer                             commandBuffer);
 
 VKAPI_ATTR void VKAPI_CALL vkCmdDebugMarkerInsertEXT(
     VkCommandBuffer                             commandBuffer,
-    VkDebugMarkerMarkerInfoEXT*                 pMarkerInfo);
+    const VkDebugMarkerMarkerInfoEXT*           pMarkerInfo);
 #endif
 
 #define VK_AMD_gcn_shader 1
@@ -5350,9 +5637,9 @@
 #endif /* VK_USE_PLATFORM_WIN32_KHR */
 
 #define VK_KHX_device_group 1
-#define VK_MAX_DEVICE_GROUP_SIZE_KHX      32
-#define VK_KHX_DEVICE_GROUP_SPEC_VERSION  1
+#define VK_KHX_DEVICE_GROUP_SPEC_VERSION  2
 #define VK_KHX_DEVICE_GROUP_EXTENSION_NAME "VK_KHX_device_group"
+#define VK_MAX_DEVICE_GROUP_SIZE_KHX      32
 
 
 typedef enum VkPeerMemoryFeatureFlagBitsKHX {
@@ -5386,28 +5673,6 @@
     uint32_t                    deviceMask;
 } VkMemoryAllocateFlagsInfoKHX;
 
-typedef struct VkBindBufferMemoryInfoKHX {
-    VkStructureType    sType;
-    const void*        pNext;
-    VkBuffer           buffer;
-    VkDeviceMemory     memory;
-    VkDeviceSize       memoryOffset;
-    uint32_t           deviceIndexCount;
-    const uint32_t*    pDeviceIndices;
-} VkBindBufferMemoryInfoKHX;
-
-typedef struct VkBindImageMemoryInfoKHX {
-    VkStructureType    sType;
-    const void*        pNext;
-    VkImage            image;
-    VkDeviceMemory     memory;
-    VkDeviceSize       memoryOffset;
-    uint32_t           deviceIndexCount;
-    const uint32_t*    pDeviceIndices;
-    uint32_t           SFRRectCount;
-    const VkRect2D*    pSFRRects;
-} VkBindImageMemoryInfoKHX;
-
 typedef struct VkDeviceGroupRenderPassBeginInfoKHX {
     VkStructureType    sType;
     const void*        pNext;
@@ -5440,6 +5705,22 @@
     uint32_t           memoryDeviceIndex;
 } VkDeviceGroupBindSparseInfoKHX;
 
+typedef struct VkBindBufferMemoryDeviceGroupInfoKHX {
+    VkStructureType    sType;
+    const void*        pNext;
+    uint32_t           deviceIndexCount;
+    const uint32_t*    pDeviceIndices;
+} VkBindBufferMemoryDeviceGroupInfoKHX;
+
+typedef struct VkBindImageMemoryDeviceGroupInfoKHX {
+    VkStructureType    sType;
+    const void*        pNext;
+    uint32_t           deviceIndexCount;
+    const uint32_t*    pDeviceIndices;
+    uint32_t           SFRRectCount;
+    const VkRect2D*    pSFRRects;
+} VkBindImageMemoryDeviceGroupInfoKHX;
+
 typedef struct VkDeviceGroupPresentCapabilitiesKHX {
     VkStructureType                     sType;
     const void*                         pNext;
@@ -5486,14 +5767,12 @@
 
 
 typedef void (VKAPI_PTR *PFN_vkGetDeviceGroupPeerMemoryFeaturesKHX)(VkDevice device, uint32_t heapIndex, uint32_t localDeviceIndex, uint32_t remoteDeviceIndex, VkPeerMemoryFeatureFlagsKHX* pPeerMemoryFeatures);
-typedef VkResult (VKAPI_PTR *PFN_vkBindBufferMemory2KHX)(VkDevice device, uint32_t bindInfoCount, const VkBindBufferMemoryInfoKHX* pBindInfos);
-typedef VkResult (VKAPI_PTR *PFN_vkBindImageMemory2KHX)(VkDevice device, uint32_t bindInfoCount, const VkBindImageMemoryInfoKHX* pBindInfos);
 typedef void (VKAPI_PTR *PFN_vkCmdSetDeviceMaskKHX)(VkCommandBuffer commandBuffer, uint32_t deviceMask);
+typedef void (VKAPI_PTR *PFN_vkCmdDispatchBaseKHX)(VkCommandBuffer commandBuffer, uint32_t baseGroupX, uint32_t baseGroupY, uint32_t baseGroupZ, uint32_t groupCountX, uint32_t groupCountY, uint32_t groupCountZ);
 typedef VkResult (VKAPI_PTR *PFN_vkGetDeviceGroupPresentCapabilitiesKHX)(VkDevice device, VkDeviceGroupPresentCapabilitiesKHX* pDeviceGroupPresentCapabilities);
 typedef VkResult (VKAPI_PTR *PFN_vkGetDeviceGroupSurfacePresentModesKHX)(VkDevice device, VkSurfaceKHR surface, VkDeviceGroupPresentModeFlagsKHX* pModes);
-typedef VkResult (VKAPI_PTR *PFN_vkAcquireNextImage2KHX)(VkDevice device, const VkAcquireNextImageInfoKHX* pAcquireInfo, uint32_t* pImageIndex);
-typedef void (VKAPI_PTR *PFN_vkCmdDispatchBaseKHX)(VkCommandBuffer commandBuffer, uint32_t baseGroupX, uint32_t baseGroupY, uint32_t baseGroupZ, uint32_t groupCountX, uint32_t groupCountY, uint32_t groupCountZ);
 typedef VkResult (VKAPI_PTR *PFN_vkGetPhysicalDevicePresentRectanglesKHX)(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, uint32_t* pRectCount, VkRect2D* pRects);
+typedef VkResult (VKAPI_PTR *PFN_vkAcquireNextImage2KHX)(VkDevice device, const VkAcquireNextImageInfoKHX* pAcquireInfo, uint32_t* pImageIndex);
 
 #ifndef VK_NO_PROTOTYPES
 VKAPI_ATTR void VKAPI_CALL vkGetDeviceGroupPeerMemoryFeaturesKHX(
@@ -5503,34 +5782,10 @@
     uint32_t                                    remoteDeviceIndex,
     VkPeerMemoryFeatureFlagsKHX*                pPeerMemoryFeatures);
 
-VKAPI_ATTR VkResult VKAPI_CALL vkBindBufferMemory2KHX(
-    VkDevice                                    device,
-    uint32_t                                    bindInfoCount,
-    const VkBindBufferMemoryInfoKHX*            pBindInfos);
-
-VKAPI_ATTR VkResult VKAPI_CALL vkBindImageMemory2KHX(
-    VkDevice                                    device,
-    uint32_t                                    bindInfoCount,
-    const VkBindImageMemoryInfoKHX*             pBindInfos);
-
 VKAPI_ATTR void VKAPI_CALL vkCmdSetDeviceMaskKHX(
     VkCommandBuffer                             commandBuffer,
     uint32_t                                    deviceMask);
 
-VKAPI_ATTR VkResult VKAPI_CALL vkGetDeviceGroupPresentCapabilitiesKHX(
-    VkDevice                                    device,
-    VkDeviceGroupPresentCapabilitiesKHX*        pDeviceGroupPresentCapabilities);
-
-VKAPI_ATTR VkResult VKAPI_CALL vkGetDeviceGroupSurfacePresentModesKHX(
-    VkDevice                                    device,
-    VkSurfaceKHR                                surface,
-    VkDeviceGroupPresentModeFlagsKHX*           pModes);
-
-VKAPI_ATTR VkResult VKAPI_CALL vkAcquireNextImage2KHX(
-    VkDevice                                    device,
-    const VkAcquireNextImageInfoKHX*            pAcquireInfo,
-    uint32_t*                                   pImageIndex);
-
 VKAPI_ATTR void VKAPI_CALL vkCmdDispatchBaseKHX(
     VkCommandBuffer                             commandBuffer,
     uint32_t                                    baseGroupX,
@@ -5540,11 +5795,25 @@
     uint32_t                                    groupCountY,
     uint32_t                                    groupCountZ);
 
+VKAPI_ATTR VkResult VKAPI_CALL vkGetDeviceGroupPresentCapabilitiesKHX(
+    VkDevice                                    device,
+    VkDeviceGroupPresentCapabilitiesKHX*        pDeviceGroupPresentCapabilities);
+
+VKAPI_ATTR VkResult VKAPI_CALL vkGetDeviceGroupSurfacePresentModesKHX(
+    VkDevice                                    device,
+    VkSurfaceKHR                                surface,
+    VkDeviceGroupPresentModeFlagsKHX*           pModes);
+
 VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDevicePresentRectanglesKHX(
     VkPhysicalDevice                            physicalDevice,
     VkSurfaceKHR                                surface,
     uint32_t*                                   pRectCount,
     VkRect2D*                                   pRects);
+
+VKAPI_ATTR VkResult VKAPI_CALL vkAcquireNextImage2KHX(
+    VkDevice                                    device,
+    const VkAcquireNextImageInfoKHX*            pAcquireInfo,
+    uint32_t*                                   pImageIndex);
 #endif
 
 #define VK_EXT_validation_flags 1
@@ -5639,7 +5908,7 @@
 VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkObjectTableNVX)
 VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkIndirectCommandsLayoutNVX)
 
-#define VK_NVX_DEVICE_GENERATED_COMMANDS_SPEC_VERSION 1
+#define VK_NVX_DEVICE_GENERATED_COMMANDS_SPEC_VERSION 3
 #define VK_NVX_DEVICE_GENERATED_COMMANDS_EXTENSION_NAME "VK_NVX_device_generated_commands"
 
 
@@ -5929,6 +6198,7 @@
 #define VK_EXT_display_surface_counter 1
 #define VK_EXT_DISPLAY_SURFACE_COUNTER_SPEC_VERSION 1
 #define VK_EXT_DISPLAY_SURFACE_COUNTER_EXTENSION_NAME "VK_EXT_display_surface_counter"
+#define VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES2_EXT VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_EXT
 
 
 typedef enum VkSurfaceCounterFlagBitsEXT {
@@ -6328,6 +6598,96 @@
 #define VK_AMD_GPU_SHADER_INT16_EXTENSION_NAME "VK_AMD_gpu_shader_int16"
 
 
+#define VK_AMD_mixed_attachment_samples 1
+#define VK_AMD_MIXED_ATTACHMENT_SAMPLES_SPEC_VERSION 1
+#define VK_AMD_MIXED_ATTACHMENT_SAMPLES_EXTENSION_NAME "VK_AMD_mixed_attachment_samples"
+
+
+#define VK_AMD_shader_fragment_mask 1
+#define VK_AMD_SHADER_FRAGMENT_MASK_SPEC_VERSION 1
+#define VK_AMD_SHADER_FRAGMENT_MASK_EXTENSION_NAME "VK_AMD_shader_fragment_mask"
+
+
+#define VK_EXT_shader_stencil_export 1
+#define VK_EXT_SHADER_STENCIL_EXPORT_SPEC_VERSION 1
+#define VK_EXT_SHADER_STENCIL_EXPORT_EXTENSION_NAME "VK_EXT_shader_stencil_export"
+
+
+#define VK_EXT_sample_locations 1
+#define VK_EXT_SAMPLE_LOCATIONS_SPEC_VERSION 1
+#define VK_EXT_SAMPLE_LOCATIONS_EXTENSION_NAME "VK_EXT_sample_locations"
+
+typedef struct VkSampleLocationEXT {
+    float    x;
+    float    y;
+} VkSampleLocationEXT;
+
+typedef struct VkSampleLocationsInfoEXT {
+    VkStructureType               sType;
+    const void*                   pNext;
+    VkSampleCountFlagBits         sampleLocationsPerPixel;
+    VkExtent2D                    sampleLocationGridSize;
+    uint32_t                      sampleLocationsCount;
+    const VkSampleLocationEXT*    pSampleLocations;
+} VkSampleLocationsInfoEXT;
+
+typedef struct VkAttachmentSampleLocationsEXT {
+    uint32_t                    attachmentIndex;
+    VkSampleLocationsInfoEXT    sampleLocationsInfo;
+} VkAttachmentSampleLocationsEXT;
+
+typedef struct VkSubpassSampleLocationsEXT {
+    uint32_t                    subpassIndex;
+    VkSampleLocationsInfoEXT    sampleLocationsInfo;
+} VkSubpassSampleLocationsEXT;
+
+typedef struct VkRenderPassSampleLocationsBeginInfoEXT {
+    VkStructureType                          sType;
+    const void*                              pNext;
+    uint32_t                                 attachmentInitialSampleLocationsCount;
+    const VkAttachmentSampleLocationsEXT*    pAttachmentInitialSampleLocations;
+    uint32_t                                 postSubpassSampleLocationsCount;
+    const VkSubpassSampleLocationsEXT*       pSubpassSampleLocations;
+} VkRenderPassSampleLocationsBeginInfoEXT;
+
+typedef struct VkPipelineSampleLocationsStateCreateInfoEXT {
+    VkStructureType             sType;
+    const void*                 pNext;
+    VkBool32                    sampleLocationsEnable;
+    VkSampleLocationsInfoEXT    sampleLocationsInfo;
+} VkPipelineSampleLocationsStateCreateInfoEXT;
+
+typedef struct VkPhysicalDeviceSampleLocationsPropertiesEXT {
+    VkStructureType       sType;
+    void*                 pNext;
+    VkSampleCountFlags    sampleLocationSampleCounts;
+    VkExtent2D            maxSampleLocationGridSize;
+    float                 sampleLocationCoordinateRange[2];
+    uint32_t              sampleLocationSubPixelBits;
+    VkBool32              variableSampleLocations;
+} VkPhysicalDeviceSampleLocationsPropertiesEXT;
+
+typedef struct VkMultisamplePropertiesEXT {
+    VkStructureType    sType;
+    void*              pNext;
+    VkExtent2D         maxSampleLocationGridSize;
+} VkMultisamplePropertiesEXT;
+
+
+typedef void (VKAPI_PTR *PFN_vkCmdSetSampleLocationsEXT)(VkCommandBuffer commandBuffer, const VkSampleLocationsInfoEXT* pSampleLocationsInfo);
+typedef void (VKAPI_PTR *PFN_vkGetPhysicalDeviceMultisamplePropertiesEXT)(VkPhysicalDevice physicalDevice, VkSampleCountFlagBits samples, VkMultisamplePropertiesEXT* pMultisampleProperties);
+
+#ifndef VK_NO_PROTOTYPES
+VKAPI_ATTR void VKAPI_CALL vkCmdSetSampleLocationsEXT(
+    VkCommandBuffer                             commandBuffer,
+    const VkSampleLocationsInfoEXT*             pSampleLocationsInfo);
+
+VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceMultisamplePropertiesEXT(
+    VkPhysicalDevice                            physicalDevice,
+    VkSampleCountFlagBits                       samples,
+    VkMultisamplePropertiesEXT*                 pMultisampleProperties);
+#endif
+
 #define VK_EXT_blend_operation_advanced 1
 #define VK_EXT_BLEND_OPERATION_ADVANCED_SPEC_VERSION 2
 #define VK_EXT_BLEND_OPERATION_ADVANCED_EXTENSION_NAME "VK_EXT_blend_operation_advanced"
@@ -6421,6 +6781,78 @@
 #define VK_NV_FILL_RECTANGLE_EXTENSION_NAME "VK_NV_fill_rectangle"
 
 
+#define VK_EXT_post_depth_coverage 1
+#define VK_EXT_POST_DEPTH_COVERAGE_SPEC_VERSION 1
+#define VK_EXT_POST_DEPTH_COVERAGE_EXTENSION_NAME "VK_EXT_post_depth_coverage"
+
+
+#define VK_EXT_validation_cache 1
+VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkValidationCacheEXT)
+
+#define VK_EXT_VALIDATION_CACHE_SPEC_VERSION 1
+#define VK_EXT_VALIDATION_CACHE_EXTENSION_NAME "VK_EXT_validation_cache"
+
+
+typedef enum VkValidationCacheHeaderVersionEXT {
+    VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT = 1,
+    VK_VALIDATION_CACHE_HEADER_VERSION_BEGIN_RANGE_EXT = VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT,
+    VK_VALIDATION_CACHE_HEADER_VERSION_END_RANGE_EXT = VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT,
+    VK_VALIDATION_CACHE_HEADER_VERSION_RANGE_SIZE_EXT = (VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT - VK_VALIDATION_CACHE_HEADER_VERSION_ONE_EXT + 1),
+    VK_VALIDATION_CACHE_HEADER_VERSION_MAX_ENUM_EXT = 0x7FFFFFFF
+} VkValidationCacheHeaderVersionEXT;
+
+typedef VkFlags VkValidationCacheCreateFlagsEXT;
+
+typedef struct VkValidationCacheCreateInfoEXT {
+    VkStructureType                    sType;
+    const void*                        pNext;
+    VkValidationCacheCreateFlagsEXT    flags;
+    size_t                             initialDataSize;
+    const void*                        pInitialData;
+} VkValidationCacheCreateInfoEXT;
+
+typedef struct VkShaderModuleValidationCacheCreateInfoEXT {
+    VkStructureType         sType;
+    const void*             pNext;
+    VkValidationCacheEXT    validationCache;
+} VkShaderModuleValidationCacheCreateInfoEXT;
+
+
+typedef VkResult (VKAPI_PTR *PFN_vkCreateValidationCacheEXT)(VkDevice device, const VkValidationCacheCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkValidationCacheEXT* pValidationCache);
+typedef void (VKAPI_PTR *PFN_vkDestroyValidationCacheEXT)(VkDevice device, VkValidationCacheEXT validationCache, const VkAllocationCallbacks* pAllocator);
+typedef VkResult (VKAPI_PTR *PFN_vkMergeValidationCachesEXT)(VkDevice device, VkValidationCacheEXT dstCache, uint32_t srcCacheCount, const VkValidationCacheEXT* pSrcCaches);
+typedef VkResult (VKAPI_PTR *PFN_vkGetValidationCacheDataEXT)(VkDevice device, VkValidationCacheEXT validationCache, size_t* pDataSize, void* pData);
+
+#ifndef VK_NO_PROTOTYPES
+VKAPI_ATTR VkResult VKAPI_CALL vkCreateValidationCacheEXT(
+    VkDevice                                    device,
+    const VkValidationCacheCreateInfoEXT*       pCreateInfo,
+    const VkAllocationCallbacks*                pAllocator,
+    VkValidationCacheEXT*                       pValidationCache);
+
+VKAPI_ATTR void VKAPI_CALL vkDestroyValidationCacheEXT(
+    VkDevice                                    device,
+    VkValidationCacheEXT                        validationCache,
+    const VkAllocationCallbacks*                pAllocator);
+
+VKAPI_ATTR VkResult VKAPI_CALL vkMergeValidationCachesEXT(
+    VkDevice                                    device,
+    VkValidationCacheEXT                        dstCache,
+    uint32_t                                    srcCacheCount,
+    const VkValidationCacheEXT*                 pSrcCaches);
+
+VKAPI_ATTR VkResult VKAPI_CALL vkGetValidationCacheDataEXT(
+    VkDevice                                    device,
+    VkValidationCacheEXT                        validationCache,
+    size_t*                                     pDataSize,
+    void*                                       pData);
+#endif
+
+#define VK_EXT_shader_viewport_index_layer 1
+#define VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_SPEC_VERSION 1
+#define VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_EXTENSION_NAME "VK_EXT_shader_viewport_index_layer"
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/vulkan/libvulkan/api_gen.cpp b/vulkan/libvulkan/api_gen.cpp
index 001eaf1..8dd55f4 100644
--- a/vulkan/libvulkan/api_gen.cpp
+++ b/vulkan/libvulkan/api_gen.cpp
@@ -467,6 +467,7 @@
         "vkGetPhysicalDeviceImageFormatProperties2KHR",
         "vkGetPhysicalDeviceMemoryProperties",
         "vkGetPhysicalDeviceMemoryProperties2KHR",
+        "vkGetPhysicalDeviceMultisamplePropertiesEXT",
         "vkGetPhysicalDevicePresentRectanglesKHX",
         "vkGetPhysicalDeviceProperties",
         "vkGetPhysicalDeviceProperties2KHR",
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index a346c0a..665a32b 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -640,11 +640,9 @@
         instance_data.hook_extensions.test(ProcHook::EXT_swapchain_colorspace);
 
     const VkSurfaceFormatKHR kWideColorFormats[] = {
-        {VK_FORMAT_R16G16B16A16_SFLOAT,
-         VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT},
-        {VK_FORMAT_R16G16B16A16_SFLOAT,
-         VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT},
-        {VK_FORMAT_A2R10G10B10_UNORM_PACK32,
+        {VK_FORMAT_R8G8B8A8_UNORM,
+         VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT},
+        {VK_FORMAT_R8G8B8A8_SRGB,
          VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT},
     };
     const uint32_t kNumWideColorFormats =