diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index d67ce15..157538e 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -614,7 +614,7 @@
     talkWithDriver(false);
 }
 
-int IPCThreadState::setupPolling(int* fd)
+status_t IPCThreadState::setupPolling(int* fd)
 {
     if (mProcess->mDriverFD < 0) {
         return -EBADF;
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index 8d51cdc..2bd39a7 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -85,8 +85,8 @@
             int64_t             clearCallingIdentity();
             // Restores PID/UID (not SID)
             void                restoreCallingIdentity(int64_t token);
-            
-            int                 setupPolling(int* fd);
+
+            status_t            setupPolling(int* fd);
             status_t            handlePolledCommands();
             void                flushCommands();
 
diff --git a/libs/binder/ndk/include_platform/android/binder_process.h b/libs/binder/ndk/include_platform/android/binder_process.h
index fdefbb4..f408fad 100644
--- a/libs/binder/ndk/include_platform/android/binder_process.h
+++ b/libs/binder/ndk/include_platform/android/binder_process.h
@@ -19,10 +19,15 @@
 #include <stdint.h>
 #include <sys/cdefs.h>
 
+#include <android/binder_status.h>
+
 __BEGIN_DECLS
 
 /**
  * This creates a threadpool for incoming binder transactions if it has not already been created.
+ *
+ * When using this, it is expected that ABinderProcess_setupPolling and
+ * ABinderProcess_handlePolledCommands are not used.
  */
 void ABinderProcess_startThreadPool();
 /**
@@ -37,4 +42,27 @@
  */
 void ABinderProcess_joinThreadPool();
 
+/**
+ * This gives you an fd to wait on. Whenever data is available on the fd,
+ * ABinderProcess_handlePolledCommands can be called to handle binder queries.
+ * This is expected to be used in a single threaded process which waits on
+ * events from multiple different fds.
+ *
+ * When using this, it is expected ABinderProcess_startThreadPool and
+ * ABinderProcess_joinThreadPool are not used.
+ *
+ * \param fd out param corresponding to the binder domain opened in this
+ * process.
+ * \return STATUS_OK on success
+ */
+__attribute__((weak)) binder_status_t ABinderProcess_setupPolling(int* fd) __INTRODUCED_IN(31);
+
+/**
+ * This will handle all queued binder commands in this process and then return.
+ * It is expected to be called whenever there is data on the fd.
+ *
+ * \return STATUS_OK on success
+ */
+__attribute__((weak)) binder_status_t ABinderProcess_handlePolledCommands() __INTRODUCED_IN(31);
+
 __END_DECLS
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 9b5fa26..d435382 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -113,6 +113,8 @@
 
 LIBBINDER_NDK31 { # introduced=31
   global:
+    ABinderProcess_handlePolledCommands; # apex
+    ABinderProcess_setupPolling; # apex
     AIBinder_getCallingSid; # apex
     AIBinder_setRequestingSid; # apex
 };
diff --git a/libs/binder/ndk/process.cpp b/libs/binder/ndk/process.cpp
index c89caaf..ac582a4 100644
--- a/libs/binder/ndk/process.cpp
+++ b/libs/binder/ndk/process.cpp
@@ -34,3 +34,11 @@
 void ABinderProcess_joinThreadPool() {
     IPCThreadState::self()->joinThreadPool();
 }
+
+binder_status_t ABinderProcess_setupPolling(int* fd) {
+    return IPCThreadState::self()->setupPolling(fd);
+}
+
+binder_status_t ABinderProcess_handlePolledCommands() {
+    return IPCThreadState::self()->handlePolledCommands();
+}
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index e3fdb4b..9b2fcf0 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -24,6 +24,7 @@
 #include <android/binder_process.h>
 #include <gtest/gtest.h>
 #include <iface/iface.h>
+#include <utils/Looper.h>
 
 // warning: this is assuming that libbinder_ndk is using the same copy
 // of libbinder that we are.
@@ -107,19 +108,39 @@
     }
 };
 
-int manualService(const char* instance) {
-    ABinderProcess_setThreadPoolMaxThreadCount(0);
-
+void manualService(const char* instance) {
     // Strong reference to MyFoo kept by service manager.
     binder_status_t status = (new MyFoo)->addService(instance);
 
     if (status != STATUS_OK) {
         LOG(FATAL) << "Could not register: " << status << " " << instance;
     }
+}
+int manualPollingService(const char* instance) {
+    int fd;
+    CHECK(STATUS_OK == ABinderProcess_setupPolling(&fd));
+    manualService(instance);
 
+    class Handler : public LooperCallback {
+        int handleEvent(int /*fd*/, int /*events*/, void* /*data*/) override {
+            ABinderProcess_handlePolledCommands();
+            return 1;  // Continue receiving callbacks.
+        }
+    };
+
+    sp<Looper> looper = Looper::prepare(0 /* opts */);
+    looper->addFd(fd, Looper::POLL_CALLBACK, Looper::EVENT_INPUT, new Handler(), nullptr /*data*/);
+    // normally, would add additional fds
+    while (true) {
+        looper->pollAll(-1 /* timeoutMillis */);
+    }
+    return 1;  // should not reach
+}
+int manualThreadPoolService(const char* instance) {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    manualService(instance);
     ABinderProcess_joinThreadPool();
-
-    return 1;  // should not return
+    return 1;
 }
 
 // This is too slow
@@ -448,11 +469,11 @@
 
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
-        return manualService(IFoo::kInstanceNameToDieFor);
+        return manualThreadPoolService(IFoo::kInstanceNameToDieFor);
     }
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
-        return manualService(IFoo::kSomeInstanceName);
+        return manualPollingService(IFoo::kSomeInstanceName);
     }
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
diff --git a/opengl/libs/EGL/BlobCache.cpp b/opengl/libs/EGL/BlobCache.cpp
index 74fb019..a27c09f 100644
--- a/opengl/libs/EGL/BlobCache.cpp
+++ b/opengl/libs/EGL/BlobCache.cpp
@@ -78,12 +78,12 @@
         return;
     }
 
-    std::shared_ptr<Blob> dummyKey(new Blob(key, keySize, false));
-    CacheEntry dummyEntry(dummyKey, nullptr);
+    std::shared_ptr<Blob> cacheKey(new Blob(key, keySize, false));
+    CacheEntry cacheEntry(cacheKey, nullptr);
 
     while (true) {
-        auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), dummyEntry);
-        if (index == mCacheEntries.end() || dummyEntry < *index) {
+        auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), cacheEntry);
+        if (index == mCacheEntries.end() || cacheEntry < *index) {
             // Create a new cache entry.
             std::shared_ptr<Blob> keyBlob(new Blob(key, keySize, true));
             std::shared_ptr<Blob> valueBlob(new Blob(value, valueSize, true));
@@ -138,10 +138,10 @@
                 keySize, mMaxKeySize);
         return 0;
     }
-    std::shared_ptr<Blob> dummyKey(new Blob(key, keySize, false));
-    CacheEntry dummyEntry(dummyKey, nullptr);
-    auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), dummyEntry);
-    if (index == mCacheEntries.end() || dummyEntry < *index) {
+    std::shared_ptr<Blob> cacheKey(new Blob(key, keySize, false));
+    CacheEntry cacheEntry(cacheKey, nullptr);
+    auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), cacheEntry);
+    if (index == mCacheEntries.end() || cacheEntry < *index) {
         ALOGV("get: no cache entry found for key of size %zu", keySize);
         return 0;
     }
diff --git a/opengl/libs/EGL/FileBlobCache.cpp b/opengl/libs/EGL/FileBlobCache.cpp
index 3284778..751f3be 100644
--- a/opengl/libs/EGL/FileBlobCache.cpp
+++ b/opengl/libs/EGL/FileBlobCache.cpp
@@ -70,7 +70,7 @@
             return;
         }
 
-        // Sanity check the size before trying to mmap it.
+        // Check the size before trying to mmap it.
         size_t fileSize = statBuf.st_size;
         if (fileSize > mMaxTotalSize * 2) {
             ALOGE("cache file is too large: %#" PRIx64,
diff --git a/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index 510226d..bbd786d 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -138,7 +138,7 @@
     };
     EXPECT_TRUE(eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -148,7 +148,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -258,7 +258,7 @@
     EXPECT_EQ(components[2], 8);
     EXPECT_EQ(components[3], 8);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -268,7 +268,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -306,7 +306,7 @@
 
     get8BitConfig(config);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -316,7 +316,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -398,7 +398,7 @@
     EXPECT_EQ(components[2], 10);
     EXPECT_EQ(components[3], 2);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -408,7 +408,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -570,7 +570,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -580,7 +580,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -622,7 +622,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -632,7 +632,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     std::vector<EGLint> winAttrs;
@@ -705,7 +705,7 @@
     EXPECT_GE(components[2], 16);
     EXPECT_GE(components[3], 16);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -714,7 +714,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -734,7 +734,7 @@
 
     ASSERT_TRUE(hasEglExtension(mEglDisplay, "EGL_KHR_no_config_context"));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -809,7 +809,7 @@
     EXPECT_EQ(components[2], 10);
     EXPECT_EQ(components[3], 2);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -819,7 +819,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -835,7 +835,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -845,7 +845,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -882,7 +882,7 @@
     ASSERT_EQ(EGL_UNSIGNED_TRUE, success);
     ASSERT_EQ(1, numConfigs);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -892,7 +892,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -913,7 +913,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -923,7 +923,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -953,7 +953,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -963,7 +963,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index 9efd38f..7fd9c3a 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -17,7 +17,7 @@
 
 mkdir out
 
-# Create dummy Java files for Android APIs that are used by the code we generate.
+# Create stub Java files for Android APIs that are used by the code we generate.
 # This allows us to test the generated code without building the rest of Android.
 
 mkdir -p out/javax/microedition/khronos/opengles
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index d1f20c7..9118805 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -82,6 +82,10 @@
     } else {
         info->addMotionRange(AMOTION_EVENT_AXIS_X, mSource, -1.0f, 1.0f, 0.0f, mXScale, 0.0f);
         info->addMotionRange(AMOTION_EVENT_AXIS_Y, mSource, -1.0f, 1.0f, 0.0f, mYScale, 0.0f);
+        info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_X, mSource, -1.0f, 1.0f, 0.0f, mXScale,
+                             0.0f);
+        info->addMotionRange(AMOTION_EVENT_AXIS_RELATIVE_Y, mSource, -1.0f, 1.0f, 0.0f, mYScale,
+                             0.0f);
     }
     info->addMotionRange(AMOTION_EVENT_AXIS_PRESSURE, mSource, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
 
@@ -341,6 +345,8 @@
     } else {
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, deltaX);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, deltaY);
+        pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, deltaX);
+        pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, deltaY);
         displayId = ADISPLAY_ID_NONE;
     }
 
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 15d5288..afbec99 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -142,12 +142,14 @@
     hoveringIdBits.clear();
     touchingIdBits.clear();
     canceledIdBits.clear();
+    validIdBits.clear();
 }
 
 void CookedPointerData::copyFrom(const CookedPointerData& other) {
     pointerCount = other.pointerCount;
     hoveringIdBits = other.hoveringIdBits;
     touchingIdBits = other.touchingIdBits;
+    validIdBits = other.validIdBits;
 
     for (uint32_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].copyFrom(other.pointerProperties[i]);
@@ -288,12 +290,14 @@
         const PointerProperties& pointerProperties =
                 mLastCookedState.cookedPointerData.pointerProperties[i];
         const PointerCoords& pointerCoords = mLastCookedState.cookedPointerData.pointerCoords[i];
-        dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, "
-                                     "touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, "
-                                     "toolMinor=%0.3f, "
+        dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, dx=%0.3f, dy=%0.3f, "
+                                     "pressure=%0.3f, touchMajor=%0.3f, touchMinor=%0.3f, "
+                                     "toolMajor=%0.3f, toolMinor=%0.3f, "
                                      "orientation=%0.3f, tilt=%0.3f, distance=%0.3f, "
                                      "toolType=%d, isHovering=%s\n",
                              i, pointerProperties.id, pointerCoords.getX(), pointerCoords.getY(),
+                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X),
+                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y),
                              pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
                              pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
                              pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
@@ -379,6 +383,7 @@
     if (!changes ||
         (changes &
          (InputReaderConfiguration::CHANGE_DISPLAY_INFO |
+          InputReaderConfiguration::CHANGE_POINTER_CAPTURE |
           InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT |
           InputReaderConfiguration::CHANGE_SHOW_TOUCHES |
           InputReaderConfiguration::CHANGE_EXTERNAL_STYLUS_PRESENCE))) {
@@ -562,7 +567,7 @@
  * 4. Otherwise, use a non-display viewport.
  */
 std::optional<DisplayViewport> TouchInputMapper::findViewport() {
-    if (mParameters.hasAssociatedDisplay) {
+    if (mParameters.hasAssociatedDisplay && mDeviceMode != DeviceMode::UNSCALED) {
         const std::optional<uint8_t> displayPort = getDeviceContext().getAssociatedDisplayPort();
         if (displayPort) {
             // Find the viewport that contains the same port
@@ -620,7 +625,7 @@
 
     // Determine device mode.
     if (mParameters.deviceType == Parameters::DeviceType::POINTER &&
-        mConfig.pointerGesturesEnabled) {
+        mConfig.pointerGesturesEnabled && !mConfig.pointerCapture) {
         mSource = AINPUT_SOURCE_MOUSE;
         mDeviceMode = DeviceMode::POINTER;
         if (hasStylus()) {
@@ -2269,15 +2274,26 @@
             out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor);
         }
 
+        // Write output relative fieldis if applicable.
+        uint32_t id = in.id;
+        if (mSource == AINPUT_SOURCE_TOUCHPAD &&
+            mLastCookedState.cookedPointerData.hasPointerCoordsForId(id)) {
+            const PointerCoords& p = mLastCookedState.cookedPointerData.pointerCoordsForId(id);
+            float dx = xTransformed - p.getAxisValue(AMOTION_EVENT_AXIS_X);
+            float dy = yTransformed - p.getAxisValue(AMOTION_EVENT_AXIS_Y);
+            out.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, dx);
+            out.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, dy);
+        }
+
         // Write output properties.
         PointerProperties& properties = mCurrentCookedState.cookedPointerData.pointerProperties[i];
-        uint32_t id = in.id;
         properties.clear();
         properties.id = id;
         properties.toolType = in.toolType;
 
-        // Write id index.
+        // Write id index and mark id as valid.
         mCurrentCookedState.cookedPointerData.idToIndex[id] = i;
+        mCurrentCookedState.cookedPointerData.validIdBits.markBit(id);
     }
 }
 
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index 94486a6..df6581d 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -103,7 +103,7 @@
     uint32_t pointerCount;
     PointerProperties pointerProperties[MAX_POINTERS];
     PointerCoords pointerCoords[MAX_POINTERS];
-    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits;
+    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits, validIdBits;
     uint32_t idToIndex[MAX_POINTER_ID + 1];
 
     CookedPointerData();
@@ -129,6 +129,8 @@
     inline bool isTouching(uint32_t pointerIndex) const {
         return touchingIdBits.hasBit(pointerProperties[pointerIndex].id);
     }
+
+    inline bool hasPointerCoordsForId(uint32_t id) const { return validIdBits.hasBit(id); }
 };
 
 class TouchInputMapper : public InputMapper {
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 21dd3c7..232045b 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -297,6 +297,8 @@
         mConfig.defaultPointerDisplayId = pointerDisplayId;
     }
 
+    float getPointerGestureMovementSpeedRatio() { return mConfig.pointerGestureMovementSpeedRatio; }
+
 private:
     DisplayViewport createDisplayViewport(int32_t displayId, int32_t width, int32_t height,
             int32_t orientation, const std::string& uniqueId, std::optional<uint8_t> physicalPort,
@@ -7533,4 +7535,207 @@
     constexpr int32_t yExpected = (x + 1) - DISPLAY_WIDTH / 4;
     processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
 }
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchpadCapture) {
+    // we need a pointer controller for mouse mode of touchpad (start pointer at 0,0)
+    std::shared_ptr<FakePointerController> fakePointerController =
+            std::make_shared<FakePointerController>();
+    fakePointerController->setBounds(0, 0, DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1);
+    fakePointerController->setPosition(0, 0);
+    fakePointerController->setButtonState(0);
+
+    // prepare device and capture
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
+    mFakePolicy->setPointerCapture(true);
+    mFakePolicy->setPointerController(mDevice->getId(), fakePointerController);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // captured touchpad should be a touchpad source
+    NotifyDeviceResetArgs resetArgs;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
+
+    // run captured pointer tests - note that this is unscaled, so input listener events should be
+    //                              identical to what the hardware sends (accounting for any
+    //                              calibration).
+    // FINGER 0 DOWN
+    processId(mapper, 1);
+    processPosition(mapper, 100 + RAW_X_MIN, 100 + RAW_Y_MIN);
+    processKey(mapper, BTN_TOUCH, 1);
+    processSync(mapper);
+
+    // expect coord[0] to contain initial location of touch 0
+    NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(1U, args.pointerCount);
+    ASSERT_EQ(0, args.pointerProperties[0].id);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, args.source);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 100, 100, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // FINGER 1 DOWN
+    processSlot(mapper, 1);
+    processId(mapper, 2);
+    processPosition(mapper, 560 + RAW_X_MIN, 154 + RAW_Y_MIN);
+    processSync(mapper);
+
+    // expect coord[0] to contain previous location, coord[1] to contain new touch 1 location
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | 0x0100, args.action);
+    ASSERT_EQ(2U, args.pointerCount);
+    ASSERT_EQ(0, args.pointerProperties[0].id);
+    ASSERT_EQ(1, args.pointerProperties[1].id);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 100, 100, 1, 0, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[1], 560, 154, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // FINGER 1 MOVE
+    processPosition(mapper, 540 + RAW_X_MIN, 690 + RAW_Y_MIN);
+    processSync(mapper);
+
+    // expect coord[0] to contain previous location, coord[1] to contain new touch 1 location
+    // from move
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 100, 100, 1, 0, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[1], 540, 690, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // FINGER 0 MOVE
+    processSlot(mapper, 0);
+    processPosition(mapper, 50 + RAW_X_MIN, 800 + RAW_Y_MIN);
+    processSync(mapper);
+
+    // expect coord[0] to contain new touch 0 location, coord[1] to contain previous location
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 50, 800, 1, 0, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[1], 540, 690, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // BUTTON DOWN
+    processKey(mapper, BTN_LEFT, 1);
+    processSync(mapper);
+
+    // touchinputmapper design sends a move before button press
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_BUTTON_PRESS, args.action);
+
+    // BUTTON UP
+    processKey(mapper, BTN_LEFT, 0);
+    processSync(mapper);
+
+    // touchinputmapper design sends a move after button release
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_BUTTON_RELEASE, args.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+
+    // FINGER 0 UP
+    processId(mapper, -1);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | 0x0000, args.action);
+
+    // FINGER 1 MOVE
+    processSlot(mapper, 1);
+    processPosition(mapper, 320 + RAW_X_MIN, 900 + RAW_Y_MIN);
+    processSync(mapper);
+
+    // expect coord[0] to contain new location of touch 1, and properties[0].id to contain 1
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_EQ(1U, args.pointerCount);
+    ASSERT_EQ(1, args.pointerProperties[0].id);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 320, 900, 1, 0, 0, 0, 0, 0, 0, 0));
+
+    // FINGER 1 UP
+    processId(mapper, -1);
+    processKey(mapper, BTN_TOUCH, 0);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+
+    // non captured touchpad should be a mouse source
+    mFakePolicy->setPointerCapture(false);
+    configureDevice(InputReaderConfiguration::CHANGE_POINTER_CAPTURE);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_UnCapturedTouchpadPointer) {
+    std::shared_ptr<FakePointerController> fakePointerController =
+            std::make_shared<FakePointerController>();
+    fakePointerController->setBounds(0, 0, DISPLAY_WIDTH - 1, DISPLAY_HEIGHT - 1);
+    fakePointerController->setPosition(0, 0);
+    fakePointerController->setButtonState(0);
+
+    // prepare device and capture
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
+    mFakePolicy->setPointerController(mDevice->getId(), fakePointerController);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+    // run uncaptured pointer tests - pushes out generic events
+    // FINGER 0 DOWN
+    processId(mapper, 3);
+    processPosition(mapper, 100, 100);
+    processKey(mapper, BTN_TOUCH, 1);
+    processSync(mapper);
+
+    // start at (100,100), cursor should be at (0,0) * scale
+    NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_HOVER_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(
+            assertPointerCoords(args.pointerCoords[0], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0));
+
+    // FINGER 0 MOVE
+    processPosition(mapper, 200, 200);
+    processSync(mapper);
+
+    // compute scaling to help with touch position checking
+    float rawDiagonal = hypotf(RAW_X_MAX - RAW_X_MIN, RAW_Y_MAX - RAW_Y_MIN);
+    float displayDiagonal = hypotf(DISPLAY_WIDTH, DISPLAY_HEIGHT);
+    float scale =
+            mFakePolicy->getPointerGestureMovementSpeedRatio() * displayDiagonal / rawDiagonal;
+
+    // translate from (100,100) -> (200,200), cursor should have changed to (100,100) * scale)
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_HOVER_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0], 100 * scale, 100 * scale, 0,
+                                                0, 0, 0, 0, 0, 0, 0));
+}
+
+TEST_F(MultiTouchInputMapperTest, WhenCapturedAndNotCaptured_GetSources) {
+    std::shared_ptr<FakePointerController> fakePointerController =
+            std::make_shared<FakePointerController>();
+
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION | ID | SLOT);
+    mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
+    mFakePolicy->setPointerController(mDevice->getId(), fakePointerController);
+    mFakePolicy->setPointerCapture(false);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // uncaptured touchpad should be a pointer device
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
+
+    // captured touchpad should be a touchpad device
+    mFakePolicy->setPointerCapture(true);
+    configureDevice(InputReaderConfiguration::CHANGE_POINTER_CAPTURE);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
+}
+
 } // namespace android