Merge "Add test config to dumpsys_test" am: cf617abcb2 am: c19f57f08e am: e678a5ad0a
am: 0922a9395c

Change-Id: I5f9e22a6eef80d97dc8f5bcbca05e65014f0f147
diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..03af56d
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,13 @@
+BasedOnStyle: Google
+
+AccessModifierOffset: -4
+AlignOperands: false
+AllowShortFunctionsOnASingleLine: Inline
+AlwaysBreakBeforeMultilineStrings: false
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ConstructorInitializerIndentWidth: 6
+ContinuationIndentWidth: 8
+IndentWidth: 4
+PenaltyBreakBeforeFirstCallParameter: 100000
+SpacesBeforeTrailingComments: 1
diff --git a/cmds/bugreportz/Android.mk b/cmds/bugreportz/Android.mk
index 880bc75..10dda56 100644
--- a/cmds/bugreportz/Android.mk
+++ b/cmds/bugreportz/Android.mk
@@ -25,6 +25,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := bugreportz_test
+LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_CFLAGS := -Werror -Wall
diff --git a/cmds/bugreportz/AndroidTest.xml b/cmds/bugreportz/AndroidTest.xml
new file mode 100644
index 0000000..38b6276
--- /dev/null
+++ b/cmds/bugreportz/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Config for bugreportz_test">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="bugreportz_test->/data/local/tmp/bugreportz_test" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="bugreportz_test" />
+    </test>
+</configuration>
diff --git a/cmds/dumpstate/Android.mk b/cmds/dumpstate/Android.mk
index a407ea2..669e8d2 100644
--- a/cmds/dumpstate/Android.mk
+++ b/cmds/dumpstate/Android.mk
@@ -138,7 +138,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := dumpstate_test_fixture
-
+LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_CFLAGS := $(COMMON_LOCAL_CFLAGS)
diff --git a/cmds/dumpstate/AndroidTest.xml b/cmds/dumpstate/AndroidTest.xml
new file mode 100644
index 0000000..f189489
--- /dev/null
+++ b/cmds/dumpstate/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Config for dumpstate_test_fixture">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="dumpstate_test_fixture->/data/local/tmp/dumpstate_test_fixture" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="dumpstate_test_fixture" />
+    </test>
+</configuration>
diff --git a/cmds/vr/pose/pose.cpp b/cmds/vr/pose/pose.cpp
index 2288a86..faceb67 100644
--- a/cmds/vr/pose/pose.cpp
+++ b/cmds/vr/pose/pose.cpp
@@ -28,7 +28,7 @@
                " px, py, pz as position (0,0,0 if omitted).\n"
             << "  --mode=mode: sets mode to one of normal, head_turn:slow, "
                "head_turn:fast, rotate:slow, rotate:medium, rotate:fast, "
-               "circle_strafe.\n"
+               "circle_strafe, float, motion_sickness.\n"
             << "  --unfreeze: sets the mode to normal.\n"
             << "  --log_controller=[true|false]: starts and stops controller"
                " logs\n"
@@ -150,6 +150,12 @@
   } else if (value == "circle_strafe") {
     *mode = DVR_POSE_MODE_MOCK_CIRCLE_STRAFE;
     return true;
+  } else if (value == "float") {
+    *mode = DVR_POSE_MODE_FLOAT;
+    return true;
+  } else if (value == "motion_sickness") {
+    *mode = DVR_POSE_MODE_MOCK_MOTION_SICKNESS;
+    return true;
   } else {
     return false;
   }
diff --git a/include/media/openmax/OMX_AsString.h b/include/media/openmax/OMX_AsString.h
index 6b21979..56d7cc8 100644
--- a/include/media/openmax/OMX_AsString.h
+++ b/include/media/openmax/OMX_AsString.h
@@ -557,6 +557,7 @@
         case OMX_IndexConfigPriority:                   return "ConfigPriority";
         case OMX_IndexConfigOperatingRate:              return "ConfigOperatingRate";
         case OMX_IndexParamConsumerUsageBits:           return "ParamConsumerUsageBits";
+        case OMX_IndexConfigLatency:                    return "ConfigLatency";
         default:                                        return asString((OMX_INDEXTYPE)i, def);
     }
 }
diff --git a/include/media/openmax/OMX_IndexExt.h b/include/media/openmax/OMX_IndexExt.h
index eccecaa..5a029d0 100644
--- a/include/media/openmax/OMX_IndexExt.h
+++ b/include/media/openmax/OMX_IndexExt.h
@@ -96,6 +96,7 @@
     OMX_IndexConfigPriority,                        /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexConfigOperatingRate,                   /**< reference: OMX_PARAM_U32TYPE in Q16 format for video and in Hz for audio */
     OMX_IndexParamConsumerUsageBits,                /**< reference: OMX_PARAM_U32TYPE */
+    OMX_IndexConfigLatency,                         /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexExtOtherEndUnused,
 
     /* Time configurations */
diff --git a/libs/binder/tests/schd-dbg.cpp b/libs/binder/tests/schd-dbg.cpp
index 2732071..fe9e05a 100644
--- a/libs/binder/tests/schd-dbg.cpp
+++ b/libs/binder/tests/schd-dbg.cpp
@@ -15,6 +15,7 @@
 #include <pthread.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <fstream>
 
 using namespace std;
 using namespace android;
@@ -41,6 +42,8 @@
 
 #define DUMP_PRICISION 3
 
+string trace_path = "/sys/kernel/debug/tracing";
+
 // the default value
 int no_process = 2;
 int iterations = 100;
@@ -48,6 +51,23 @@
 int no_inherent = 0;
 int no_sync = 0;
 int verbose = 0;
+int trace;
+
+bool traceIsOn() {
+  fstream file;
+  file.open(trace_path + "/tracing_on", ios::in);
+  char on;
+  file >> on;
+  file.close();
+  return on == '1';
+}
+
+void traceStop() {
+  ofstream file;
+  file.open(trace_path + "/tracing_on", ios::out | ios::trunc);
+  file << '0' << endl;
+  file.close();
+}
 
 // the deadline latency that we are interested in
 uint64_t deadline_us = 2500;
@@ -197,13 +217,29 @@
   uint64_t m_transactions = 0;
   uint64_t m_total_time = 0;
   uint64_t m_miss = 0;
-
+  bool tracing;
+  Results(bool _tracing) : tracing(_tracing) {
+  }
+  inline bool miss_deadline(uint64_t nano) {
+    return nano > deadline_us * 1000;
+  }
   void add_time(uint64_t nano) {
     m_best = min(nano, m_best);
     m_worst = max(nano, m_worst);
     m_transactions += 1;
     m_total_time += nano;
-    if (nano > deadline_us * 1000) m_miss++;
+    if (miss_deadline(nano)) m_miss++;
+    if (miss_deadline(nano) && tracing) {
+      // There might be multiple process pair running the test concurrently
+      // each may execute following statements and only the first one actually
+      // stop the trace and any traceStop() afterthen has no effect.
+      traceStop();
+      cout << endl;
+      cout << "deadline triggered: halt & stop trace" << endl;
+      cout << "log:" + trace_path + "/trace" << endl;
+      cout << endl;
+      exit(1);
+    }
   }
   void dump() {
     double best = (double)m_best / 1.0E6;
@@ -212,8 +248,9 @@
     // FIXME: libjson?
     cout << std::setprecision(DUMP_PRICISION) << "{ \"avg\":" << setw(5) << left
          << average << ", \"wst\":" << setw(5) << left << worst
-         << ", \"bst\":" << setw(5) << left << best << ", \"miss\":" << m_miss
-         << "}";
+         << ", \"bst\":" << setw(5) << left << best << ", \"miss\":" << setw(5)
+         << left << m_miss << ", \"meetR\":" << setw(3) << left
+         << (1.0 - (double)m_miss / m_transactions) << "}";
   }
 };
 
@@ -272,7 +309,7 @@
 void worker_fx(int num, int no_process, int iterations, int payload_size,
                Pipe p) {
   int dummy;
-  Results results_other, results_fifo;
+  Results results_other(false), results_fifo(trace);
 
   // Create BinderWorkerService and for go.
   ProcessState::self()->startThreadPool();
@@ -389,8 +426,28 @@
     }
     if (string(argv[i]) == "-v") {
       verbose = 1;
-      i++;
     }
+    // The -trace argument is used like that:
+    //
+    // First start trace with atrace command as usual
+    // >atrace --async_start sched freq
+    //
+    // then use schd-dbg with -trace arguments
+    //./schd-dbg -trace -deadline_us 2500
+    //
+    // This makes schd-dbg to stop trace once it detects a transaction
+    // duration over the deadline. By writing '0' to
+    // /sys/kernel/debug/tracing and halt the process. The tracelog is
+    // then available on /sys/kernel/debug/trace
+    if (string(argv[i]) == "-trace") {
+      trace = 1;
+    }
+  }
+  if (trace && !traceIsOn()) {
+    cout << "trace is not running" << endl;
+    cout << "check " << trace_path + "/tracing_on" << endl;
+    cout << "use atrace --async_start first" << endl;
+    exit(-1);
   }
   vector<Pipe> pipes;
   thread_dump("main");
diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index 8acdfed..d4e4dc3 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -287,6 +287,9 @@
     }
 
     if (item->mGraphicBuffer != NULL) {
+        if (mSlots[item->mSlot].mGraphicBuffer != NULL) {
+            freeBufferLocked(item->mSlot);
+        }
         mSlots[item->mSlot].mGraphicBuffer = item->mGraphicBuffer;
     }
 
diff --git a/libs/hwc2on1adapter/HWC2On1Adapter.cpp b/libs/hwc2on1adapter/HWC2On1Adapter.cpp
index 03297ca..e35bfc9 100644
--- a/libs/hwc2on1adapter/HWC2On1Adapter.cpp
+++ b/libs/hwc2on1adapter/HWC2On1Adapter.cpp
@@ -538,6 +538,12 @@
     for (auto& change : mChanges->getTypeChanges()) {
         auto layerId = change.first;
         auto type = change.second;
+        if (mDevice.mLayers.count(layerId) == 0) {
+            // This should never happen but somehow does.
+            ALOGW("Cannot accept change for unknown layer (%" PRIu64 ")",
+                  layerId);
+            continue;
+        }
         auto layer = mDevice.mLayers[layerId];
         layer->setCompositionType(type);
     }
diff --git a/libs/vr/libbufferhubqueue/Android.bp b/libs/vr/libbufferhubqueue/Android.bp
index 2d96638..0fa1f01 100644
--- a/libs/vr/libbufferhubqueue/Android.bp
+++ b/libs/vr/libbufferhubqueue/Android.bp
@@ -42,7 +42,7 @@
 
 cc_library {
     name: "libbufferhubqueue",
-    cflags = [
+    cflags: [
         "-DLOG_TAG=\"libbufferhubqueue\"",
         "-DTRACE=0",
     ],
diff --git a/libs/vr/libdvr/Android.mk b/libs/vr/libdvr/Android.mk
index 5449cb5..3c6934b 100644
--- a/libs/vr/libdvr/Android.mk
+++ b/libs/vr/libdvr/Android.mk
@@ -33,6 +33,7 @@
     dvr_api.cpp \
     dvr_buffer.cpp \
     dvr_buffer_queue.cpp \
+    dvr_hardware_composer_client.cpp \
     dvr_surface.cpp \
     vsync_client_api.cpp \
 
@@ -42,12 +43,15 @@
     libdisplay \
     libvrsensor \
     libvirtualtouchpadclient \
+    libvr_hwc-impl \
+    libvr_hwc-binder \
 
 LOCAL_SHARED_LIBRARIES := \
     android.hardware.graphics.bufferqueue@1.0 \
     android.hidl.token@1.0-utils \
     libandroid_runtime \
     libbase \
+    libnativewindow \
 
 include $(BUILD_STATIC_LIBRARY)
 
diff --git a/libs/vr/libdvr/dvr_api.cpp b/libs/vr/libdvr/dvr_api.cpp
index f464411..bfb35c4 100644
--- a/libs/vr/libdvr/dvr_api.cpp
+++ b/libs/vr/libdvr/dvr_api.cpp
@@ -11,6 +11,7 @@
 
 // Headers not yet moved into libdvr.
 // TODO(jwcai) Move these once their callers are moved into Google3.
+#include <dvr/dvr_hardware_composer_client.h>
 #include <dvr/pose_client.h>
 #include <dvr/virtual_touchpad_client.h>
 
@@ -24,81 +25,101 @@
     DvrApi_v1* dvr_api = static_cast<DvrApi_v1*>(api);
 
     // display_manager_client.h
-    dvr_api->display_manager_client_create = dvrDisplayManagerClientCreate;
-    dvr_api->display_manager_client_destroy = dvrDisplayManagerClientDestroy;
-    dvr_api->display_manager_client_get_surface_list =
+    dvr_api->display_manager_client_create_ = dvrDisplayManagerClientCreate;
+    dvr_api->display_manager_client_destroy_ = dvrDisplayManagerClientDestroy;
+    dvr_api->display_manager_client_get_surface_list_ =
         dvrDisplayManagerClientGetSurfaceList;
-    dvr_api->display_manager_client_surface_list_destroy =
+    dvr_api->display_manager_client_surface_list_destroy_ =
         dvrDisplayManagerClientSurfaceListDestroy;
-    dvr_api->display_manager_setup_pose_buffer =
+    dvr_api->display_manager_setup_pose_buffer_ =
         dvrDisplayManagerSetupPoseBuffer;
-    dvr_api->display_manager_client_surface_list_get_size =
+    dvr_api->display_manager_client_surface_list_get_size_ =
         dvrDisplayManagerClientSurfaceListGetSize;
-    dvr_api->display_manager_client_surface_list_get_surface_id =
+    dvr_api->display_manager_client_surface_list_get_surface_id_ =
         dvrDisplayManagerClientSurfaceListGetSurfaceId;
-    dvr_api->display_manager_client_get_surface_buffer_list =
+    dvr_api->display_manager_client_get_surface_buffer_list_ =
         dvrDisplayManagerClientGetSurfaceBuffers;
-    dvr_api->display_manager_client_surface_buffer_list_destroy =
+    dvr_api->display_manager_client_surface_buffer_list_destroy_ =
         dvrDisplayManagerClientSurfaceBuffersDestroy;
-    dvr_api->display_manager_client_surface_buffer_list_get_size =
+    dvr_api->display_manager_client_surface_buffer_list_get_size_ =
         dvrDisplayManagerClientSurfaceBuffersGetSize;
-    dvr_api->display_manager_client_surface_buffer_list_get_fd =
+    dvr_api->display_manager_client_surface_buffer_list_get_fd_ =
         dvrDisplayManagerClientSurfaceBuffersGetFd;
 
     // dvr_buffer.h
-    dvr_api->write_buffer_destroy = dvrWriteBufferDestroy;
-    dvr_api->write_buffer_get_blob_fds = dvrWriteBufferGetBlobFds;
-    dvr_api->write_buffer_get_ahardwarebuffer =
+    dvr_api->write_buffer_destroy_ = dvrWriteBufferDestroy;
+    dvr_api->write_buffer_get_blob_fds_ = dvrWriteBufferGetBlobFds;
+    dvr_api->write_buffer_get_AHardwareBuffer_ =
         dvrWriteBufferGetAHardwareBuffer;
-    dvr_api->write_buffer_post = dvrWriteBufferPost;
-    dvr_api->write_buffer_gain = dvrWriteBufferGain;
-    dvr_api->write_buffer_gain_async = dvrWriteBufferGainAsync;
+    dvr_api->write_buffer_post_ = dvrWriteBufferPost;
+    dvr_api->write_buffer_gain_ = dvrWriteBufferGain;
+    dvr_api->write_buffer_gain_async_ = dvrWriteBufferGainAsync;
 
-    dvr_api->read_buffer_destroy = dvrReadBufferDestroy;
-    dvr_api->read_buffer_get_blob_fds = dvrReadBufferGetBlobFds;
-    dvr_api->read_buffer_get_ahardwarebuffer = dvrReadBufferGetAHardwareBuffer;
-    dvr_api->read_buffer_acquire = dvrReadBufferAcquire;
-    dvr_api->read_buffer_release = dvrReadBufferRelease;
-    dvr_api->read_buffer_release_async = dvrReadBufferReleaseAsync;
+    dvr_api->read_buffer_destroy_ = dvrReadBufferDestroy;
+    dvr_api->read_buffer_get_blob_fds_ = dvrReadBufferGetBlobFds;
+    dvr_api->read_buffer_get_AHardwareBuffer_ = dvrReadBufferGetAHardwareBuffer;
+    dvr_api->read_buffer_acquire_ = dvrReadBufferAcquire;
+    dvr_api->read_buffer_release_ = dvrReadBufferRelease;
+    dvr_api->read_buffer_release_async_ = dvrReadBufferReleaseAsync;
 
     // dvr_buffer_queue.h
-    dvr_api->write_buffer_queue_destroy = dvrWriteBufferQueueDestroy;
-    dvr_api->write_buffer_queue_get_capacity = dvrWriteBufferQueueGetCapacity;
-    dvr_api->write_buffer_queue_get_external_surface =
+    dvr_api->write_buffer_queue_destroy_ = dvrWriteBufferQueueDestroy;
+    dvr_api->write_buffer_queue_get_capacity_ = dvrWriteBufferQueueGetCapacity;
+    dvr_api->write_buffer_queue_get_external_surface_ =
         dvrWriteBufferQueueGetExternalSurface;
-    dvr_api->write_buffer_queue_create_read_queue =
+    dvr_api->write_buffer_queue_create_read_queue_ =
         dvrWriteBufferQueueCreateReadQueue;
-    dvr_api->write_buffer_queue_dequeue = dvrWriteBufferQueueDequeue;
-    dvr_api->read_buffer_queue_destroy = dvrReadBufferQueueDestroy;
-    dvr_api->read_buffer_queue_get_capacity = dvrReadBufferQueueGetCapacity;
-    dvr_api->read_buffer_queue_create_read_queue =
+    dvr_api->write_buffer_queue_dequeue_ = dvrWriteBufferQueueDequeue;
+    dvr_api->read_buffer_queue_destroy_ = dvrReadBufferQueueDestroy;
+    dvr_api->read_buffer_queue_get_capacity_ = dvrReadBufferQueueGetCapacity;
+    dvr_api->read_buffer_queue_create_read_queue_ =
         dvrReadBufferQueueCreateReadQueue;
     dvr_api->read_buffer_queue_dequeue = dvrReadBufferQueueDequeue;
 
     // dvr_surface.h
-    dvr_api->get_pose_buffer = dvrGetPoseBuffer;
-    dvr_api->surface_create = dvrSurfaceCreate;
-    dvr_api->surface_get_write_buffer_queue = dvrSurfaceGetWriteBufferQueue;
+    dvr_api->get_pose_buffer_ = dvrGetPoseBuffer;
+    dvr_api->surface_create_ = dvrSurfaceCreate;
+    dvr_api->surface_get_write_buffer_queue_ = dvrSurfaceGetWriteBufferQueue;
 
     // vsync_client_api.h
-    dvr_api->vsync_client_create = dvr_vsync_client_create;
-    dvr_api->vsync_client_destroy = dvr_vsync_client_destroy;
-    dvr_api->vsync_client_get_sched_info = dvr_vsync_client_get_sched_info;
+    dvr_api->vsync_client_create_ = dvr_vsync_client_create;
+    dvr_api->vsync_client_destroy_ = dvr_vsync_client_destroy;
+    dvr_api->vsync_client_get_sched_info_ = dvr_vsync_client_get_sched_info;
 
     // pose_client.h
-    dvr_api->pose_client_create = dvrPoseCreate;
-    dvr_api->pose_client_destroy = dvrPoseDestroy;
-    dvr_api->pose_get = dvrPoseGet;
-    dvr_api->pose_get_vsync_count = dvrPoseGetVsyncCount;
-    dvr_api->pose_get_controller = dvrPoseGetController;
+    dvr_api->pose_client_create_ = dvrPoseCreate;
+    dvr_api->pose_client_destroy_ = dvrPoseDestroy;
+    dvr_api->pose_get_ = dvrPoseGet;
+    dvr_api->pose_get_vsync_count_ = dvrPoseGetVsyncCount;
+    dvr_api->pose_get_controller_ = dvrPoseGetController;
 
     // virtual_touchpad_client.h
-    dvr_api->virtual_touchpad_create = dvrVirtualTouchpadCreate;
-    dvr_api->virtual_touchpad_destroy = dvrVirtualTouchpadDestroy;
-    dvr_api->virtual_touchpad_attach = dvrVirtualTouchpadAttach;
-    dvr_api->virtual_touchpad_detach = dvrVirtualTouchpadDetach;
-    dvr_api->virtual_touchpad_touch = dvrVirtualTouchpadTouch;
-    dvr_api->virtual_touchpad_button_state = dvrVirtualTouchpadButtonState;
+    dvr_api->virtual_touchpad_create_ = dvrVirtualTouchpadCreate;
+    dvr_api->virtual_touchpad_destroy_ = dvrVirtualTouchpadDestroy;
+    dvr_api->virtual_touchpad_attach_ = dvrVirtualTouchpadAttach;
+    dvr_api->virtual_touchpad_detach_ = dvrVirtualTouchpadDetach;
+    dvr_api->virtual_touchpad_touch_ = dvrVirtualTouchpadTouch;
+    dvr_api->virtual_touchpad_button_state_ = dvrVirtualTouchpadButtonState;
+
+    // dvr_hardware_composer_client.h
+    dvr_api->hwc_create_client_ = dvrHwcCreateClient;
+    dvr_api->hwc_client_destroy_ = dvrHwcClientDestroy;
+    dvr_api->hwc_frame_destroy_ = dvrHwcFrameDestroy;
+    dvr_api->hwc_frame_get_display_id_ = dvrHwcFrameGetDisplayId;
+    dvr_api->hwc_frame_get_display_width_ = dvrHwcFrameGetDisplayWidth;
+    dvr_api->hwc_frame_get_display_height_ = dvrHwcFrameGetDisplayHeight;
+    dvr_api->hwc_frame_get_layer_count_ = dvrHwcFrameGetLayerCount;
+    dvr_api->hwc_frame_get_layer_id_ = dvrHwcFrameGetLayerId;
+    dvr_api->hwc_frame_get_layer_buffer_ = dvrHwcFrameGetLayerBuffer;
+    dvr_api->hwc_frame_get_layer_fence_ = dvrHwcFrameGetLayerFence;
+    dvr_api->hwc_frame_get_layer_display_frame_ =
+        dvrHwcFrameGetLayerDisplayFrame;
+    dvr_api->hwc_frame_get_layer_crop_ = dvrHwcFrameGetLayerCrop;
+    dvr_api->hwc_frame_get_layer_blend_mode_ = dvrHwcFrameGetLayerBlendMode;
+    dvr_api->hwc_frame_get_layer_alpha_ = dvrHwcFrameGetLayerAlpha;
+    dvr_api->hwc_frame_get_layer_type_ = dvrHwcFrameGetLayerType;
+    dvr_api->hwc_frame_get_layer_application_id_ =
+        dvrHwcFrameGetLayerApplicationId;
 
     return 0;
   }
diff --git a/services/vr/hardware_composer/dvr_hardware_composer_client.cpp b/libs/vr/libdvr/dvr_hardware_composer_client.cpp
similarity index 79%
rename from services/vr/hardware_composer/dvr_hardware_composer_client.cpp
rename to libs/vr/libdvr/dvr_hardware_composer_client.cpp
index 39fa9fc..fde0c84 100644
--- a/services/vr/hardware_composer/dvr_hardware_composer_client.cpp
+++ b/libs/vr/libdvr/dvr_hardware_composer_client.cpp
@@ -1,7 +1,8 @@
-#include "private/android/dvr_hardware_composer_client.h"
+#include "include/dvr/dvr_hardware_composer_client.h"
 
 #include <android/dvr/IVrComposer.h>
 #include <android/dvr/BnVrComposerCallback.h>
+#include <android/hardware_buffer.h>
 #include <binder/IServiceManager.h>
 #include <private/android/AHardwareBufferHelpers.h>
 
@@ -15,7 +16,8 @@
 
 class HwcCallback : public android::dvr::BnVrComposerCallback {
  public:
-  explicit HwcCallback(DvrHwcOnFrameCallback callback);
+  explicit HwcCallback(DvrHwcOnFrameCallback callback,
+                       void* client_state);
   ~HwcCallback() override;
 
   std::unique_ptr<DvrHwcFrame> DequeueFrame();
@@ -27,13 +29,14 @@
       android::dvr::ParcelableUniqueFd* fence) override;
 
   DvrHwcOnFrameCallback callback_;
+  void* client_state_;
 
   HwcCallback(const HwcCallback&) = delete;
   void operator=(const HwcCallback&) = delete;
 };
 
-HwcCallback::HwcCallback(DvrHwcOnFrameCallback callback)
-    : callback_(callback) {}
+HwcCallback::HwcCallback(DvrHwcOnFrameCallback callback, void* client_state)
+    : callback_(callback), client_state_(client_state) {}
 
 HwcCallback::~HwcCallback() {}
 
@@ -43,7 +46,8 @@
   std::unique_ptr<DvrHwcFrame> dvr_frame(new DvrHwcFrame());
   dvr_frame->frame = frame.frame();
 
-  fence->set_fence(android::base::unique_fd(callback_(dvr_frame.release())));
+  fence->set_fence(android::base::unique_fd(callback_(client_state_,
+                                                      dvr_frame.release())));
   return android::binder::Status::ok();
 }
 
@@ -54,7 +58,7 @@
   android::sp<HwcCallback> callback;
 };
 
-DvrHwcClient* dvrHwcCreateClient(DvrHwcOnFrameCallback callback) {
+DvrHwcClient* dvrHwcCreateClient(DvrHwcOnFrameCallback callback, void* data) {
   std::unique_ptr<DvrHwcClient> client(new DvrHwcClient());
 
   android::sp<android::IServiceManager> sm(android::defaultServiceManager());
@@ -63,7 +67,7 @@
   if (!client->composer.get())
     return nullptr;
 
-  client->callback = new HwcCallback(callback);
+  client->callback = new HwcCallback(callback, data);
   android::binder::Status status = client->composer->registerObserver(
       client->callback);
   if (!status.isOk())
@@ -72,6 +76,10 @@
   return client.release();
 }
 
+void dvrHwcClientDestroy(DvrHwcClient* client) {
+  delete client;
+}
+
 void dvrHwcFrameDestroy(DvrHwcFrame* frame) {
   delete frame;
 }
@@ -80,6 +88,18 @@
   return frame->frame.display_id;
 }
 
+int32_t dvrHwcFrameGetDisplayWidth(DvrHwcFrame* frame) {
+  return frame->frame.display_width;
+}
+
+int32_t dvrHwcFrameGetDisplayHeight(DvrHwcFrame* frame) {
+  return frame->frame.display_height;
+}
+
+bool dvrHwcFrameGetDisplayRemoved(DvrHwcFrame* frame) {
+  return frame->frame.removed;
+}
+
 size_t dvrHwcFrameGetLayerCount(DvrHwcFrame* frame) {
   return frame->frame.layers.size();
 }
diff --git a/libs/vr/libdvr/include/dvr/dvr_api.h b/libs/vr/libdvr/include/dvr/dvr_api.h
index d840b6c..1411a0a 100644
--- a/libs/vr/libdvr/include/dvr/dvr_api.h
+++ b/libs/vr/libdvr/include/dvr/dvr_api.h
@@ -5,6 +5,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <dvr/dvr_hardware_composer_defs.h>
 #include <jni.h>
 
 #ifdef __cplusplus
@@ -144,82 +145,133 @@
 typedef int (*DvrVirtualTouchpadButtonStatePtr)(DvrVirtualTouchpad* client,
                                                 int touchpad, int buttons);
 
+// dvr_hardware_composer_client.h
+typedef struct AHardwareBuffer AHardwareBuffer;
+typedef struct DvrHwcClient DvrHwcClient;
+typedef struct DvrHwcFrame DvrHwcFrame;
+typedef int(*DvrHwcOnFrameCallback)(void* client_state, DvrHwcFrame* frame);
+typedef DvrHwcClient* (*DvrHwcCreateClientPtr)(DvrHwcOnFrameCallback callback,
+                                               void* client_state);
+typedef void (*DvrHwcClientDestroyPtr)(DvrHwcClient* client);
+typedef void (*DvrHwcFrameDestroyPtr)(DvrHwcFrame* frame);
+typedef Display (*DvrHwcFrameGetDisplayIdPtr)(DvrHwcFrame* frame);
+typedef int32_t (*DvrHwcFrameGetDisplayWidthPtr)(DvrHwcFrame* frame);
+typedef int32_t (*DvrHwcFrameGetDisplayHeightPtr)(DvrHwcFrame* frame);
+typedef bool (*DvrHwcFrameGetDisplayRemovedPtr)(DvrHwcFrame* frame);
+typedef size_t (*DvrHwcFrameGetLayerCountPtr)(DvrHwcFrame* frame);
+typedef Layer (*DvrHwcFrameGetLayerIdPtr)(DvrHwcFrame* frame, size_t layer_index);
+typedef AHardwareBuffer* (*DvrHwcFrameGetLayerBufferPtr)(DvrHwcFrame* frame,
+                                                         size_t layer_index);
+typedef int (*DvrHwcFrameGetLayerFencePtr)(DvrHwcFrame* frame,
+                                           size_t layer_index);
+typedef Recti (*DvrHwcFrameGetLayerDisplayFramePtr)(DvrHwcFrame* frame,
+                                                    size_t layer_index);
+typedef Rectf (*DvrHwcFrameGetLayerCropPtr)(DvrHwcFrame* frame,
+                                            size_t layer_index);
+typedef BlendMode (*DvrHwcFrameGetLayerBlendModePtr)(DvrHwcFrame* frame,
+                                                     size_t layer_index);
+typedef float (*DvrHwcFrameGetLayerAlphaPtr)(DvrHwcFrame* frame,
+                                             size_t layer_index);
+typedef uint32_t (*DvrHwcFrameGetLayerTypePtr)(DvrHwcFrame* frame,
+                                               size_t layer_index);
+typedef uint32_t (*DvrHwcFrameGetLayerApplicationIdPtr)(DvrHwcFrame* frame,
+                                                        size_t layer_index);
+
 struct DvrApi_v1 {
   // Display manager client
-  DvrDisplayManagerClientCreatePtr display_manager_client_create;
-  DvrDisplayManagerClientDestroyPtr display_manager_client_destroy;
+  DvrDisplayManagerClientCreatePtr display_manager_client_create_;
+  DvrDisplayManagerClientDestroyPtr display_manager_client_destroy_;
   DvrDisplayManagerClientGetSurfaceListPtr
-      display_manager_client_get_surface_list;
+      display_manager_client_get_surface_list_;
   DvrDisplayManagerClientSurfaceListDestroyPtr
-      display_manager_client_surface_list_destroy;
-  DvrDisplayManagerSetupPoseBufferPtr display_manager_setup_pose_buffer;
+      display_manager_client_surface_list_destroy_;
+  DvrDisplayManagerSetupPoseBufferPtr display_manager_setup_pose_buffer_;
   DvrDisplayManagerClientSurfaceListGetSizePtr
-      display_manager_client_surface_list_get_size;
+      display_manager_client_surface_list_get_size_;
   DvrDisplayManagerClientSurfaceListGetSurfaceIdPtr
-      display_manager_client_surface_list_get_surface_id;
+      display_manager_client_surface_list_get_surface_id_;
   DvrDisplayManagerClientGetSurfaceBufferListPtr
-      display_manager_client_get_surface_buffer_list;
+      display_manager_client_get_surface_buffer_list_;
   DvrDisplayManagerClientSurfaceBufferListDestroyPtr
-      display_manager_client_surface_buffer_list_destroy;
+      display_manager_client_surface_buffer_list_destroy_;
   DvrDisplayManagerClientSurfaceBufferListGetSizePtr
-      display_manager_client_surface_buffer_list_get_size;
+      display_manager_client_surface_buffer_list_get_size_;
   DvrDisplayManagerClientSurfaceBufferListGetFdPtr
-      display_manager_client_surface_buffer_list_get_fd;
+      display_manager_client_surface_buffer_list_get_fd_;
 
   // Write buffer
-  DvrWriteBufferDestroyPtr write_buffer_destroy;
-  DvrWriteBufferGetBlobFdsPtr write_buffer_get_blob_fds;
-  DvrWriteBufferGetAHardwareBufferPtr write_buffer_get_ahardwarebuffer;
-  DvrWriteBufferPostPtr write_buffer_post;
-  DvrWriteBufferGainPtr write_buffer_gain;
-  DvrWriteBufferGainAsyncPtr write_buffer_gain_async;
+  DvrWriteBufferDestroyPtr write_buffer_destroy_;
+  DvrWriteBufferGetBlobFdsPtr write_buffer_get_blob_fds_;
+  DvrWriteBufferGetAHardwareBufferPtr write_buffer_get_AHardwareBuffer_;
+  DvrWriteBufferPostPtr write_buffer_post_;
+  DvrWriteBufferGainPtr write_buffer_gain_;
+  DvrWriteBufferGainAsyncPtr write_buffer_gain_async_;
 
   // Read buffer
-  DvrReadBufferDestroyPtr read_buffer_destroy;
-  DvrReadBufferGetBlobFdsPtr read_buffer_get_blob_fds;
-  DvrReadBufferGetAHardwareBufferPtr read_buffer_get_ahardwarebuffer;
-  DvrReadBufferAcquirePtr read_buffer_acquire;
-  DvrReadBufferReleasePtr read_buffer_release;
-  DvrReadBufferReleaseAsyncPtr read_buffer_release_async;
+  DvrReadBufferDestroyPtr read_buffer_destroy_;
+  DvrReadBufferGetBlobFdsPtr read_buffer_get_blob_fds_;
+  DvrReadBufferGetAHardwareBufferPtr read_buffer_get_AHardwareBuffer_;
+  DvrReadBufferAcquirePtr read_buffer_acquire_;
+  DvrReadBufferReleasePtr read_buffer_release_;
+  DvrReadBufferReleaseAsyncPtr read_buffer_release_async_;
 
   // Write buffer queue
-  DvrWriteBufferQueueDestroyPtr write_buffer_queue_destroy;
-  DvrWriteBufferQueueGetCapacityPtr write_buffer_queue_get_capacity;
+  DvrWriteBufferQueueDestroyPtr write_buffer_queue_destroy_;
+  DvrWriteBufferQueueGetCapacityPtr write_buffer_queue_get_capacity_;
   DvrWriteBufferQueueGetExternalSurfacePtr
-      write_buffer_queue_get_external_surface;
-  DvrWriteBufferQueueCreateReadQueuePtr write_buffer_queue_create_read_queue;
-  DvrWriteBufferQueueDequeuePtr write_buffer_queue_dequeue;
+      write_buffer_queue_get_external_surface_;
+  DvrWriteBufferQueueCreateReadQueuePtr write_buffer_queue_create_read_queue_;
+  DvrWriteBufferQueueDequeuePtr write_buffer_queue_dequeue_;
 
   // Read buffer queue
-  DvrReadBufferQueueDestroyPtr read_buffer_queue_destroy;
-  DvrReadBufferQueueGetCapacityPtr read_buffer_queue_get_capacity;
-  DvrReadBufferQueueCreateReadQueuePtr read_buffer_queue_create_read_queue;
+  DvrReadBufferQueueDestroyPtr read_buffer_queue_destroy_;
+  DvrReadBufferQueueGetCapacityPtr read_buffer_queue_get_capacity_;
+  DvrReadBufferQueueCreateReadQueuePtr read_buffer_queue_create_read_queue_;
   DvrReadBufferQueueDequeuePtr read_buffer_queue_dequeue;
 
   // V-Sync client
-  DvrVSyncClientCreatePtr vsync_client_create;
-  DvrVSyncClientDestroyPtr vsync_client_destroy;
-  DvrVSyncClientGetSchedInfoPtr vsync_client_get_sched_info;
+  DvrVSyncClientCreatePtr vsync_client_create_;
+  DvrVSyncClientDestroyPtr vsync_client_destroy_;
+  DvrVSyncClientGetSchedInfoPtr vsync_client_get_sched_info_;
 
   // Display surface
-  DvrGetPoseBufferPtr get_pose_buffer;
-  DvrSurfaceCreatePtr surface_create;
-  DvrSurfaceGetWriteBufferQueuePtr surface_get_write_buffer_queue;
+  DvrGetPoseBufferPtr get_pose_buffer_;
+  DvrSurfaceCreatePtr surface_create_;
+  DvrSurfaceGetWriteBufferQueuePtr surface_get_write_buffer_queue_;
 
   // Pose client
-  DvrPoseClientCreatePtr pose_client_create;
-  DvrPoseClientDestroyPtr pose_client_destroy;
-  DvrPoseGetPtr pose_get;
-  DvrPoseGetVsyncCountPtr pose_get_vsync_count;
-  DvrPoseGetControllerPtr pose_get_controller;
+  DvrPoseClientCreatePtr pose_client_create_;
+  DvrPoseClientDestroyPtr pose_client_destroy_;
+  DvrPoseGetPtr pose_get_;
+  DvrPoseGetVsyncCountPtr pose_get_vsync_count_;
+  DvrPoseGetControllerPtr pose_get_controller_;
 
   // Virtual touchpad client
-  DvrVirtualTouchpadCreatePtr virtual_touchpad_create;
-  DvrVirtualTouchpadDestroyPtr virtual_touchpad_destroy;
-  DvrVirtualTouchpadAttachPtr virtual_touchpad_attach;
-  DvrVirtualTouchpadDetachPtr virtual_touchpad_detach;
-  DvrVirtualTouchpadTouchPtr virtual_touchpad_touch;
-  DvrVirtualTouchpadButtonStatePtr virtual_touchpad_button_state;
+  DvrVirtualTouchpadCreatePtr virtual_touchpad_create_;
+  DvrVirtualTouchpadDestroyPtr virtual_touchpad_destroy_;
+  DvrVirtualTouchpadAttachPtr virtual_touchpad_attach_;
+  DvrVirtualTouchpadDetachPtr virtual_touchpad_detach_;
+  DvrVirtualTouchpadTouchPtr virtual_touchpad_touch_;
+  DvrVirtualTouchpadButtonStatePtr virtual_touchpad_button_state_;
+
+  // VR HWComposer client
+  DvrHwcCreateClientPtr hwc_create_client_;
+  DvrHwcClientDestroyPtr hwc_client_destroy_;
+  DvrHwcFrameDestroyPtr hwc_frame_destroy_;
+  DvrHwcFrameGetDisplayIdPtr hwc_frame_get_display_id_;
+  DvrHwcFrameGetDisplayWidthPtr hwc_frame_get_display_width_;
+  DvrHwcFrameGetDisplayHeightPtr hwc_frame_get_display_height_;
+  DvrHwcFrameGetDisplayRemovedPtr hwc_frame_get_display_removed_;
+  DvrHwcFrameGetLayerCountPtr hwc_frame_get_layer_count_;
+  DvrHwcFrameGetLayerIdPtr hwc_frame_get_layer_id_;
+  DvrHwcFrameGetLayerBufferPtr hwc_frame_get_layer_buffer_;
+  DvrHwcFrameGetLayerFencePtr hwc_frame_get_layer_fence_;
+  DvrHwcFrameGetLayerDisplayFramePtr hwc_frame_get_layer_display_frame_;
+  DvrHwcFrameGetLayerCropPtr hwc_frame_get_layer_crop_;
+  DvrHwcFrameGetLayerBlendModePtr hwc_frame_get_layer_blend_mode_;
+  DvrHwcFrameGetLayerAlphaPtr hwc_frame_get_layer_alpha_;
+  DvrHwcFrameGetLayerTypePtr hwc_frame_get_layer_type_;
+  DvrHwcFrameGetLayerApplicationIdPtr hwc_frame_get_layer_application_id_;
 };
 
 int dvrGetApi(void* api, size_t struct_size, int version);
diff --git a/services/vr/hardware_composer/private/android/dvr_hardware_composer_client.h b/libs/vr/libdvr/include/dvr/dvr_hardware_composer_client.h
similarity index 61%
rename from services/vr/hardware_composer/private/android/dvr_hardware_composer_client.h
rename to libs/vr/libdvr/include/dvr/dvr_hardware_composer_client.h
index 063c16d..eb726a4 100644
--- a/services/vr/hardware_composer/private/android/dvr_hardware_composer_client.h
+++ b/libs/vr/libdvr/include/dvr/dvr_hardware_composer_client.h
@@ -1,29 +1,45 @@
-#ifndef VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
-#define VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
+#ifndef ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
+#define ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
 
-#include <android/dvr_hardware_composer_defs.h>
-#include <android/hardware_buffer.h>
+#include <dvr/dvr_hardware_composer_defs.h>
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+typedef struct AHardwareBuffer AHardwareBuffer;
 typedef struct DvrHwcClient DvrHwcClient;
 typedef struct DvrHwcFrame DvrHwcFrame;
 
 // Called when a new frame has arrived.
 //
+// @param client_state Pointer to client state passed in |dvrHwcCreateClient()|.
 // @param frame New frame. Owned by the client.
 // @return fence FD for the release of the last frame.
-typedef int(*DvrHwcOnFrameCallback)(DvrHwcFrame* frame);
+typedef int(*DvrHwcOnFrameCallback)(void* client_state, DvrHwcFrame* frame);
 
-DvrHwcClient* dvrHwcCreateClient(DvrHwcOnFrameCallback callback);
+// @param callback Called when a new frame is available.
+// @param client_state Pointer to client state passed back in the callback.
+DvrHwcClient* dvrHwcCreateClient(DvrHwcOnFrameCallback callback,
+                                 void* client_state);
+
+void dvrHwcClientDestroy(DvrHwcClient* client);
 
 // Called to free the frame information.
 void dvrHwcFrameDestroy(DvrHwcFrame* frame);
 
 Display dvrHwcFrameGetDisplayId(DvrHwcFrame* frame);
 
+int32_t dvrHwcFrameGetDisplayWidth(DvrHwcFrame* frame);
+
+int32_t dvrHwcFrameGetDisplayHeight(DvrHwcFrame* frame);
+
+// @return True if the display has been removed. In this case the current frame
+// does not contain any valid layers to display. It is a signal to clean up any
+// display related state.
+bool dvrHwcFrameGetDisplayRemoved(DvrHwcFrame* frame);
+
 // @return Number of layers in the frame.
 size_t dvrHwcFrameGetLayerCount(DvrHwcFrame* frame);
 
@@ -59,4 +75,4 @@
 }  // extern "C"
 #endif
 
-#endif  // VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
+#endif  // ANDROID_DVR_HARDWARE_COMPOSER_CLIENT_H
diff --git a/services/vr/hardware_composer/private/android/dvr_hardware_composer_defs.h b/libs/vr/libdvr/include/dvr/dvr_hardware_composer_defs.h
similarity index 78%
rename from services/vr/hardware_composer/private/android/dvr_hardware_composer_defs.h
rename to libs/vr/libdvr/include/dvr/dvr_hardware_composer_defs.h
index 3186f82..546ed7b 100644
--- a/services/vr/hardware_composer/private/android/dvr_hardware_composer_defs.h
+++ b/libs/vr/libdvr/include/dvr/dvr_hardware_composer_defs.h
@@ -1,5 +1,5 @@
-#ifndef VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_VR_HARDWARE_COMPOSER_DEFS_H
-#define VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_VR_HARDWARE_COMPOSER_DEFS_H
+#ifndef ANDROID_VR_HARDWARE_COMPOSER_DEFS_H
+#define ANDROID_VR_HARDWARE_COMPOSER_DEFS_H
 
 #include <inttypes.h>
 
@@ -47,4 +47,4 @@
 }  // extern "C"
 #endif
 
-#endif  // VR_HARDWARE_COMPOSER_PRIVATE_ANDROID_DVR_HARDWARE_COMPOSER_DEFS_H
+#endif  // ANDROID_DVR_HARDWARE_COMPOSER_DEFS_H
diff --git a/libs/vr/libdvrcommon/include/private/dvr/benchmark.h b/libs/vr/libdvrcommon/include/private/dvr/benchmark.h
index 2dbb5f2..7eeab16 100644
--- a/libs/vr/libdvrcommon/include/private/dvr/benchmark.h
+++ b/libs/vr/libdvrcommon/include/private/dvr/benchmark.h
@@ -19,7 +19,7 @@
 // ... code to benchmark ...
 // Btrace("End execution");
 //
-// Use compute_benchmarks.py (currently in dreamos/system/core/applications),
+// Use compute_benchmarks.py
 // with the trace path "Start execution,End execution",
 // to report the elapsed time between the two calls.
 //
diff --git a/libs/vr/libimageio/include/private/dvr/image_io_base.h b/libs/vr/libimageio/include/private/dvr/image_io_base.h
index 009cad4..5f29de7 100644
--- a/libs/vr/libimageio/include/private/dvr/image_io_base.h
+++ b/libs/vr/libimageio/include/private/dvr/image_io_base.h
@@ -1,5 +1,5 @@
-#ifndef LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_BASE_H_
-#define LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_BASE_H_
+#ifndef LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_BASE_H_
+#define LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_BASE_H_
 
 #include <memory>
 #include <string>
@@ -53,4 +53,4 @@
   ImageIoWriter() = delete;
 };
 
-#endif  // LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_BASE_H_
+#endif  // LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_BASE_H_
diff --git a/libs/vr/libimageio/include/private/dvr/image_io_logging.h b/libs/vr/libimageio/include/private/dvr/image_io_logging.h
index ac78179..a2629f3 100644
--- a/libs/vr/libimageio/include/private/dvr/image_io_logging.h
+++ b/libs/vr/libimageio/include/private/dvr/image_io_logging.h
@@ -1,5 +1,5 @@
-#ifndef LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_LOGGING_H_
-#define LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_LOGGING_H_
+#ifndef LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_LOGGING_H_
+#define LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_LOGGING_H_
 
 // This header acts as log/log.h if LOG_TO_STDERR is not defined.
 // If LOG_TO_STDERR is defined, then android logging macros (such as ALOGE)
@@ -36,4 +36,4 @@
 #include <log/log.h>
 #endif  // LOG_TO_STDERR
 
-#endif  // LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_LOGGING_H_
+#endif  // LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_LOGGING_H_
diff --git a/libs/vr/libimageio/include/private/dvr/image_io_png.h b/libs/vr/libimageio/include/private/dvr/image_io_png.h
index e3b19db..e06a17a 100644
--- a/libs/vr/libimageio/include/private/dvr/image_io_png.h
+++ b/libs/vr/libimageio/include/private/dvr/image_io_png.h
@@ -1,5 +1,5 @@
-#ifndef LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PNG_H_
-#define LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PNG_H_
+#ifndef LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PNG_H_
+#define LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PNG_H_
 
 #include <fstream>
 
@@ -21,4 +21,4 @@
   friend class ImageIoWriter;
 };
 
-#endif  // LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PNG_H_
+#endif  // LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PNG_H_
diff --git a/libs/vr/libimageio/include/private/dvr/image_io_ppm.h b/libs/vr/libimageio/include/private/dvr/image_io_ppm.h
index 00264bd..8a1a96c 100644
--- a/libs/vr/libimageio/include/private/dvr/image_io_ppm.h
+++ b/libs/vr/libimageio/include/private/dvr/image_io_ppm.h
@@ -1,5 +1,5 @@
-#ifndef LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PPM_H_
-#define LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PPM_H_
+#ifndef LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PPM_H_
+#define LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PPM_H_
 
 #include <private/dvr/image_io_base.h>
 
@@ -25,4 +25,4 @@
   friend class ImageIoWriter;
 };
 
-#endif  // LIB_LIBIMAGEIO_PRIVATE_DREAMOS_IMAGE_IO_PPM_H_
+#endif  // LIB_LIBIMAGEIO_PRIVATE_DVR_IMAGE_IO_PPM_H_
diff --git a/libs/vr/libpdx_uds/client_channel_factory.cpp b/libs/vr/libpdx_uds/client_channel_factory.cpp
index 1879127..f059453 100644
--- a/libs/vr/libpdx_uds/client_channel_factory.cpp
+++ b/libs/vr/libpdx_uds/client_channel_factory.cpp
@@ -6,10 +6,16 @@
 #include <sys/un.h>
 #include <unistd.h>
 
+#include <chrono>
+#include <thread>
+
 #include <uds/channel_manager.h>
 #include <uds/client_channel.h>
 #include <uds/ipc_helper.h>
 
+using std::chrono::duration_cast;
+using std::chrono::steady_clock;
+
 namespace android {
 namespace pdx {
 namespace uds {
@@ -41,13 +47,11 @@
 
 Status<std::unique_ptr<pdx::ClientChannel>> ClientChannelFactory::Connect(
     int64_t timeout_ms) const {
-  auto status = WaitForEndpoint(endpoint_path_, timeout_ms);
-  if (!status)
-    return ErrorStatus(status.error());
+  Status<void> status;
 
   LocalHandle socket_fd{socket(AF_UNIX, SOCK_STREAM, 0)};
   if (!socket_fd) {
-    ALOGE("ClientChannelFactory::Connect: socket error %s", strerror(errno));
+    ALOGE("ClientChannelFactory::Connect: socket error: %s", strerror(errno));
     return ErrorStatus(errno);
   }
 
@@ -56,16 +60,55 @@
   strncpy(remote.sun_path, endpoint_path_.c_str(), sizeof(remote.sun_path));
   remote.sun_path[sizeof(remote.sun_path) - 1] = '\0';
 
-  int ret = RETRY_EINTR(connect(
-      socket_fd.Get(), reinterpret_cast<sockaddr*>(&remote), sizeof(remote)));
-  if (ret == -1) {
-    ALOGE(
-        "ClientChannelFactory::Connect: Failed to initialize connection when "
-        "connecting %s",
-        strerror(errno));
-    return ErrorStatus(errno);
-  }
+  bool use_timeout = (timeout_ms >= 0);
+  auto now = steady_clock::now();
+  auto time_end = now + std::chrono::milliseconds{timeout_ms};
 
+  bool connected = false;
+  while (!connected) {
+    int64_t timeout = -1;
+    if (use_timeout) {
+      auto remaining = time_end - now;
+      timeout = duration_cast<std::chrono::milliseconds>(remaining).count();
+      if (timeout < 0)
+        return ErrorStatus(ETIMEDOUT);
+    }
+    ALOGD("ClientChannelFactory: Waiting for endpoint at %s", remote.sun_path);
+    status = WaitForEndpoint(endpoint_path_, timeout);
+    if (!status)
+      return ErrorStatus(status.error());
+
+    ALOGD("ClientChannelFactory: Connecting to %s", remote.sun_path);
+    int ret = RETRY_EINTR(connect(
+        socket_fd.Get(), reinterpret_cast<sockaddr*>(&remote), sizeof(remote)));
+    if (ret == -1) {
+      ALOGD("ClientChannelFactory: Connect error %d: %s", errno,
+            strerror(errno));
+      if (errno == ECONNREFUSED) {
+        // Connection refused can be the result of connecting too early (the
+        // service socket is created but not being listened to yet).
+        ALOGD("ClientChannelFactory: Connection refused, waiting...");
+        using namespace std::literals::chrono_literals;
+        std::this_thread::sleep_for(100ms);
+      } else if (errno != ENOENT && errno != ENOTDIR) {
+        // ENOENT/ENOTDIR might mean that the socket file/directory containing
+        // it has been just deleted. Try to wait for its creation and do not
+        // return an error immediately.
+        ALOGE(
+            "ClientChannelFactory::Connect: Failed to initialize connection "
+            "when connecting: %s",
+            strerror(errno));
+        return ErrorStatus(errno);
+      }
+    } else {
+      connected = true;
+    }
+    if (use_timeout)
+      now = steady_clock::now();
+  }  // while (!connected)
+
+  ALOGD("ClientChannelFactory: Connected successfully to %s...",
+        remote.sun_path);
   RequestHeader<BorrowedHandle> request;
   InitRequest(&request, opcodes::CHANNEL_OPEN, 0, 0, false);
   status = SendData(socket_fd.Get(), request);
diff --git a/libs/vr/libvrflinger/acquired_buffer.h b/libs/vr/libvrflinger/acquired_buffer.h
index 050cd5f..1d14a38 100644
--- a/libs/vr/libvrflinger/acquired_buffer.h
+++ b/libs/vr/libvrflinger/acquired_buffer.h
@@ -43,7 +43,7 @@
 
   // Accessors for the underlying BufferConsumer, the acquire fence, and the
   // use-case specific sequence value from the acquisition (see
-  // dreamos/buffer_hub_client.h).
+  // private/dvr/buffer_hub_client.h).
   std::shared_ptr<BufferConsumer> buffer() const { return buffer_; }
   int acquire_fence() const { return acquire_fence_.Get(); }
 
diff --git a/libs/vr/libvrflinger/compositor.cpp b/libs/vr/libvrflinger/compositor.cpp
index 5a111d4..699088e 100644
--- a/libs/vr/libvrflinger/compositor.cpp
+++ b/libs/vr/libvrflinger/compositor.cpp
@@ -48,10 +48,10 @@
     std::make_shared<int64_t>(0);
 
 static constexpr char kDisableLensDistortionProp[] =
-    "persist.dreamos.disable_distort";
+    "persist.dvr.disable_distort";
 
 static constexpr char kEnableEdsPoseSaveProp[] =
-    "persist.dreamos.save_eds_pose";
+    "persist.dvr.save_eds_pose";
 
 namespace android {
 namespace dvr {
diff --git a/libs/vr/libvrflinger/hardware_composer.cpp b/libs/vr/libvrflinger/hardware_composer.cpp
index 542bbd9..71591d4 100644
--- a/libs/vr/libvrflinger/hardware_composer.cpp
+++ b/libs/vr/libvrflinger/hardware_composer.cpp
@@ -64,7 +64,7 @@
 
 const char kDvrPerformanceProperty[] = "sys.dvr.performance";
 
-const char kRightEyeOffsetProperty[] = "dreamos.right_eye_offset_ns";
+const char kRightEyeOffsetProperty[] = "dvr.right_eye_offset_ns";
 
 // Returns our best guess for the time the compositor will spend rendering the
 // next frame.
diff --git a/libs/vr/libvrsensor/include/dvr/pose_client.h b/libs/vr/libvrsensor/include/dvr/pose_client.h
index ed75f84..6802fa9 100644
--- a/libs/vr/libvrsensor/include/dvr/pose_client.h
+++ b/libs/vr/libvrsensor/include/dvr/pose_client.h
@@ -105,6 +105,8 @@
   DVR_POSE_MODE_MOCK_ROTATE_MEDIUM,
   DVR_POSE_MODE_MOCK_ROTATE_FAST,
   DVR_POSE_MODE_MOCK_CIRCLE_STRAFE,
+  DVR_POSE_MODE_FLOAT,
+  DVR_POSE_MODE_MOCK_MOTION_SICKNESS,
 
   // Always last.
   DVR_POSE_MODE_COUNT,
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f82b363..04358dc 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1903,7 +1903,8 @@
                         // etc.) but no internal state (i.e. a DisplayDevice).
                         if (state.surface != NULL) {
 
-                            if (mUseHwcVirtualDisplays) {
+                            // Allow VR composer to use virtual displays.
+                            if (mUseHwcVirtualDisplays || mHwc == mVrHwc) {
                                 int width = 0;
                                 int status = state.surface->query(
                                         NATIVE_WINDOW_WIDTH, &width);
diff --git a/services/surfaceflinger/tests/Android.mk b/services/surfaceflinger/tests/Android.mk
index 16041da..43e22a0 100644
--- a/services/surfaceflinger/tests/Android.mk
+++ b/services/surfaceflinger/tests/Android.mk
@@ -4,7 +4,7 @@
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
 LOCAL_MODULE := SurfaceFlinger_test
-
+LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_MODULE_TAGS := tests
 
 LOCAL_SRC_FILES := \
diff --git a/services/surfaceflinger/tests/AndroidTest.xml b/services/surfaceflinger/tests/AndroidTest.xml
new file mode 100644
index 0000000..8315037
--- /dev/null
+++ b/services/surfaceflinger/tests/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Config for SurfaceFlinger_test">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="SurfaceFlinger_test->/data/local/tmp/SurfaceFlinger_test" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="SurfaceFlinger_test" />
+    </test>
+</configuration>
diff --git a/services/surfaceflinger/tests/vsync/Android.mk b/services/surfaceflinger/tests/vsync/Android.mk
index 9181760..8e41617 100644
--- a/services/surfaceflinger/tests/vsync/Android.mk
+++ b/services/surfaceflinger/tests/vsync/Android.mk
@@ -15,4 +15,6 @@
 
 LOCAL_MODULE_TAGS := tests
 
+LOCAL_CFLAGS := -Werror
+
 include $(BUILD_EXECUTABLE)
diff --git a/services/surfaceflinger/tests/vsync/vsync.cpp b/services/surfaceflinger/tests/vsync/vsync.cpp
index aa72c79..a1b45e6 100644
--- a/services/surfaceflinger/tests/vsync/vsync.cpp
+++ b/services/surfaceflinger/tests/vsync/vsync.cpp
@@ -20,7 +20,7 @@
 
 using namespace android;
 
-int receiver(int fd, int events, void* data)
+int receiver(int /*fd*/, int /*events*/, void* data)
 {
     DisplayEventReceiver* q = (DisplayEventReceiver*)data;
 
@@ -47,7 +47,7 @@
     return 1;
 }
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     DisplayEventReceiver myDisplayEvent;
 
diff --git a/services/surfaceflinger/tests/waitforvsync/Android.mk b/services/surfaceflinger/tests/waitforvsync/Android.mk
index c25f5ab..932d2be 100644
--- a/services/surfaceflinger/tests/waitforvsync/Android.mk
+++ b/services/surfaceflinger/tests/waitforvsync/Android.mk
@@ -11,4 +11,6 @@
 
 LOCAL_MODULE_TAGS := tests
 
+LOCAL_CFLAGS := -Werror
+
 include $(BUILD_EXECUTABLE)
diff --git a/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp b/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp
index b88b04a..65eaae5 100644
--- a/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp
+++ b/services/surfaceflinger/tests/waitforvsync/waitforvsync.cpp
@@ -29,7 +29,7 @@
 #define FBIO_WAITFORVSYNC   _IOW('F', 0x20, __u32)
 #endif
 
-int main(int argc, char** argv) {
+int main(int /*argc*/, char** /*argv*/) {
     int fd = open("/dev/graphics/fb0", O_RDWR);
     if (fd >= 0) {
         do {
diff --git a/services/vr/bufferhubd/Android.mk b/services/vr/bufferhubd/Android.mk
index c1a0b6f..b3d777e 100644
--- a/services/vr/bufferhubd/Android.mk
+++ b/services/vr/bufferhubd/Android.mk
@@ -30,7 +30,6 @@
 sharedLibraries := \
 	libbase \
 	libcutils \
-	libhardware \
 	liblog \
 	libsync \
 	libutils \
diff --git a/services/vr/hardware_composer/Android.bp b/services/vr/hardware_composer/Android.bp
index 1601c7f..629d65b 100644
--- a/services/vr/hardware_composer/Android.bp
+++ b/services/vr/hardware_composer/Android.bp
@@ -75,31 +75,6 @@
   ],
 }
 
-cc_library_static {
-  name: "libdvr_hwc",
-  srcs: [
-    "dvr_hardware_composer_client.cpp",
-  ],
-  static_libs: [
-    "libvr_hwc-impl",
-    // NOTE: This needs to be included after the *-impl lib otherwise the
-    // symbols in the *-binder library get optimized out.
-    "libvr_hwc-binder",
-  ],
-  shared_libs: [
-    "libbase",
-    "libbinder",
-    "liblog",
-    "libnativewindow",
-    "libui",
-    "libutils",
-  ],
-  export_include_dirs: ["private"],
-  export_shared_lib_headers: [
-    "libnativewindow",
-  ],
-}
-
 cc_test {
   name: "vr_hwc_test",
   gtest: true,
diff --git a/services/vr/sensord/pose_service.cpp b/services/vr/sensord/pose_service.cpp
index 2c4fc30..c1aad19 100644
--- a/services/vr/sensord/pose_service.cpp
+++ b/services/vr/sensord/pose_service.cpp
@@ -48,7 +48,7 @@
 static constexpr float kDefaultNeckVerticalOffset = 0.075f;    // meters
 
 static constexpr char kDisablePosePredictionProp[] =
-    "persist.dreamos.disable_predict";
+    "persist.dvr.disable_predict";
 
 // Device type property for controlling classes of behavior that differ
 // between devices. If unset, defaults to kOrientationTypeSmartphone.
@@ -91,6 +91,10 @@
       return "DVR_POSE_MODE_MOCK_ROTATE_FAST";
     case DVR_POSE_MODE_MOCK_CIRCLE_STRAFE:
       return "DVR_POSE_MODE_MOCK_CIRCLE_STRAFE";
+    case DVR_POSE_MODE_FLOAT:
+      return "DVR_POSE_MODE_FLOAT";
+    case DVR_POSE_MODE_MOCK_MOTION_SICKNESS:
+      return "DVR_POSE_MODE_MOCK_MOTION_SICKNESS";
     default:
       return "Unknown pose mode";
   }
@@ -179,7 +183,7 @@
     KickSensorWatchDogThread();
   }
 
-  // Read the persistent dreamos flags before using them in SetPoseMode.
+  // Read the persistent dvr flags before using them in SetPoseMode.
   enable_pose_prediction_ =
       property_get_bool(kDisablePosePredictionProp, 0) == 0;
 
@@ -418,7 +422,8 @@
                       current_time_ns);
       break;
     }
-    case DVR_POSE_MODE_3DOF: {
+    case DVR_POSE_MODE_3DOF:
+    case DVR_POSE_MODE_FLOAT: {
       // Sensor fusion provides IMU-space data, transform to world space.
 
       // Constants to perform IMU orientation adjustments. Note that these
@@ -455,13 +460,25 @@
       }
       start_from_head_rotation.normalize();
 
-      // Neck / head model code procedure for when no 6dof is available.
-      // To apply the neck model, first translate the head pose to the new
-      // center of eyes, then rotate around the origin (the original head
-      // pos).
-      Vector3d position =
-          start_from_head_rotation * Vector3d(0.0, kDefaultNeckVerticalOffset,
-                                              -kDefaultNeckHorizontalOffset);
+      Vector3d position;
+      switch (pose_mode_) {
+        default:
+        case DVR_POSE_MODE_3DOF:
+          // Neck / head model code procedure for when no 6dof is available.
+          // To apply the neck model, first translate the head pose to the new
+          // center of eyes, then rotate around the origin (the original head
+          // pos).
+          position = start_from_head_rotation *
+                     Vector3d(0.0, kDefaultNeckVerticalOffset,
+                              -kDefaultNeckHorizontalOffset);
+          break;
+        case DVR_POSE_MODE_FLOAT:
+          // Change position a bit in facing direction.
+          mock_pos_offset_ += start_from_head_rotation.toRotationMatrix() * Vector3d(0, 0, -0.01);
+          ResetMockDeviatedPosition();
+          position = mock_pos_offset_;
+          break;
+      }
 
       // IMU driver gives timestamps on its own clock, but we need monotonic
       // clock. Subtract 5ms to account for estimated IMU sample latency.
@@ -469,6 +486,26 @@
                       pose_state.timestamp_ns + 5000000);
       break;
     }
+    case DVR_POSE_MODE_MOCK_MOTION_SICKNESS: {
+      double phase = std::sin(current_time_ns / 1e9) + 1;
+      // Randomize 3rd order rotation axis on phase minimum.
+      if (phase > mock_prev_phase_ && mock_diff_phase_ < 0)
+        mock_rot_axis_2_ = RandVector();
+      mock_diff_phase_ = phase - mock_prev_phase_;
+      mock_prev_phase_ = phase;
+
+      // Rotate axes all the way down.
+      mock_rot_axis_2_ = AngleAxisd(0.004 * phase, mock_rot_axis_3_) * mock_rot_axis_2_;
+      mock_rot_axis_1_ = AngleAxisd(0.002 * (std::sin(current_time_ns / 5e8 + M_PI / 2) + 1), mock_rot_axis_2_) * mock_rot_axis_1_;
+      Rotationd rotation = Rotationd(AngleAxisd(fmod(current_time_ns / 2e9, kTwoPi), mock_rot_axis_1_));
+
+      // Change position a bit.
+      mock_pos_offset_ += rotation.toRotationMatrix() * Vector3d(0, 0, 0.003 * (std::sin(current_time_ns / 6e8) + 1));
+      ResetMockDeviatedPosition();
+
+      WriteAsyncPoses(mock_pos_offset_, rotation, current_time_ns);
+      break;
+    }
     default:
     case DVR_POSE_MODE_6DOF:
       ALOGE("ERROR: invalid pose mode");
@@ -476,6 +513,13 @@
   }
 }
 
+void PoseService::ResetMockDeviatedPosition() {
+  if (mock_pos_offset_[1] < -1) mock_pos_offset_[1] = 2;
+  if (mock_pos_offset_[1] > 30) mock_pos_offset_[1] = 2;
+  if (abs(mock_pos_offset_[0]) > 30) mock_pos_offset_[0] = mock_pos_offset_[2] = 0;
+  if (abs(mock_pos_offset_[2]) > 30) mock_pos_offset_[0] = mock_pos_offset_[2] = 0;
+}
+
 int PoseService::HandleMessage(pdx::Message& msg) {
   int ret = 0;
   const pdx::MessageInfo& info = msg.GetInfo();
@@ -655,6 +699,10 @@
   if (mode == DVR_POSE_MODE_6DOF) {
     // Only 3DoF is currently supported.
     mode = DVR_POSE_MODE_3DOF;
+  } else if (mode == DVR_POSE_MODE_MOCK_MOTION_SICKNESS) {
+    mock_rot_axis_1_ = RandVector();
+    mock_rot_axis_2_ = RandVector();
+    mock_rot_axis_3_ = RandVector();
   }
 
   pose_mode_ = mode;
diff --git a/services/vr/sensord/pose_service.h b/services/vr/sensord/pose_service.h
index 4df5036..dbf0345 100644
--- a/services/vr/sensord/pose_service.h
+++ b/services/vr/sensord/pose_service.h
@@ -101,6 +101,25 @@
   // Last known pose.
   DvrPoseAsync last_known_pose_;
 
+  // Position offset for use in pose modes.
+  Eigen::Vector3d mock_pos_offset_;
+
+  // Phase data for DVR_POSE_MODE_MOCK_MOTION_SICKNESS.
+  double mock_prev_phase_, mock_diff_phase_;
+
+  // Axis data for DVR_POSE_MODE_MOCK_MOTION_SICKNESS.
+  Eigen::Vector3d mock_rot_axis_1_, mock_rot_axis_2_, mock_rot_axis_3_;
+
+  // Return a random normalized 3d vector.
+  static Eigen::Vector3d RandVector() {
+    Eigen::Vector3d vec = Eigen::Vector3d::Random();
+    vec.normalize();
+    return vec;
+  }
+
+  // Reset mock_pos_offset_ if strayed too far
+  void ResetMockDeviatedPosition();
+
   // If this flag is true, the pose published includes a small prediction of
   // where it'll be when it's consumed.
   bool enable_pose_prediction_;