diff --git a/services/inputflinger/PointerChoreographer.cpp b/services/inputflinger/PointerChoreographer.cpp
index 3140dc8..d02e643 100644
--- a/services/inputflinger/PointerChoreographer.cpp
+++ b/services/inputflinger/PointerChoreographer.cpp
@@ -19,6 +19,7 @@
 #include <android-base/logging.h>
 #include <android/configuration.h>
 #include <com_android_input_flags.h>
+#include <algorithm>
 #if defined(__ANDROID__)
 #include <gui/SurfaceComposerClient.h>
 #endif
@@ -165,6 +166,7 @@
         mNotifiedPointerDisplayId(ui::LogicalDisplayId::INVALID),
         mShowTouchesEnabled(false),
         mStylusPointerIconEnabled(false),
+        mPointerMotionFilterEnabled(false),
         mCurrentFocusedDisplay(ui::LogicalDisplayId::DEFAULT),
         mIsWindowInfoListenerRegistered(false),
         mWindowInfoListener(sp<PointerChoreographerDisplayInfoListener>::make(this)),
@@ -322,8 +324,10 @@
                                                                  PointerControllerInterface& pc) {
     const float deltaX = newArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X);
     const float deltaY = newArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y);
-
-    vec2 unconsumedDelta = pc.move(deltaX, deltaY);
+    vec2 filteredDelta =
+            filterPointerMotionForAccessibilityLocked(pc.getPosition(), vec2{deltaX, deltaY},
+                                                      newArgs.displayId);
+    vec2 unconsumedDelta = pc.move(filteredDelta.x, filteredDelta.y);
     if (com::android::input::flags::connected_displays_cursor() &&
         (std::abs(unconsumedDelta.x) > 0 || std::abs(unconsumedDelta.y) > 0)) {
         handleUnconsumedDeltaLocked(pc, unconsumedDelta);
@@ -638,6 +642,8 @@
                          mShowTouchesEnabled ? "true" : "false");
     dump += StringPrintf(INDENT "Stylus PointerIcon Enabled: %s\n",
                          mStylusPointerIconEnabled ? "true" : "false");
+    dump += StringPrintf(INDENT "Accessibility Pointer Motion Filter Enabled: %s\n",
+                         mPointerMotionFilterEnabled ? "true" : "false");
 
     dump += INDENT "MousePointerControllers:\n";
     for (const auto& [displayId, mousePointerController] : mMousePointersByDisplay) {
@@ -973,6 +979,11 @@
     mCurrentFocusedDisplay = displayId;
 }
 
+void PointerChoreographer::setAccessibilityPointerMotionFilterEnabled(bool enabled) {
+    std::scoped_lock _l(getLock());
+    mPointerMotionFilterEnabled = enabled;
+}
+
 PointerChoreographer::ControllerConstructor PointerChoreographer::getMouseControllerConstructor(
         ui::LogicalDisplayId displayId) {
     std::function<std::shared_ptr<PointerControllerInterface>()> ctor =
@@ -1046,6 +1057,21 @@
     return std::nullopt;
 }
 
+vec2 PointerChoreographer::filterPointerMotionForAccessibilityLocked(
+        const vec2& current, const vec2& delta, const ui::LogicalDisplayId& displayId) {
+    if (!mPointerMotionFilterEnabled) {
+        return delta;
+    }
+    std::optional<vec2> filterResult =
+            mPolicy.filterPointerMotionForAccessibility(current, delta, displayId);
+    if (!filterResult.has_value()) {
+        // Disable filter when there's any error.
+        mPointerMotionFilterEnabled = false;
+        return delta;
+    }
+    return *filterResult;
+}
+
 // --- PointerChoreographer::PointerChoreographerDisplayInfoListener ---
 
 void PointerChoreographer::PointerChoreographerDisplayInfoListener::onWindowInfosChanged(
diff --git a/services/inputflinger/PointerChoreographer.h b/services/inputflinger/PointerChoreographer.h
index a9d971a..2435125 100644
--- a/services/inputflinger/PointerChoreographer.h
+++ b/services/inputflinger/PointerChoreographer.h
@@ -90,6 +90,11 @@
      * This method may be called on any thread (usually by the input manager on a binder thread).
      */
     virtual void dump(std::string& dump) = 0;
+
+    /**
+     * Enables motion event filter before pointer coordinates are determined.
+     */
+    virtual void setAccessibilityPointerMotionFilterEnabled(bool enabled) = 0;
 };
 
 class PointerChoreographer : public PointerChoreographerInterface {
@@ -110,6 +115,7 @@
     void setPointerIconVisibility(ui::LogicalDisplayId displayId, bool visible) override;
     void setFocusedDisplay(ui::LogicalDisplayId displayId) override;
     void setDisplayTopology(const DisplayTopologyGraph& displayTopologyGraph);
+    void setAccessibilityPointerMotionFilterEnabled(bool enabled) override;
 
     void notifyInputDevicesChanged(const NotifyInputDevicesChangedArgs& args) override;
     void notifyKey(const NotifyKeyArgs& args) override;
@@ -168,6 +174,10 @@
                                  const DisplayTopologyPosition sourceBoundary,
                                  int32_t sourceCursorOffsetPx) const REQUIRES(getLock());
 
+    vec2 filterPointerMotionForAccessibilityLocked(const vec2& current, const vec2& delta,
+                                                   const ui::LogicalDisplayId& displayId)
+            REQUIRES(getLock());
+
     /* Topology is initialized with default-constructed value, which is an empty topology. Till we
      * receive setDisplayTopology call.
      * Meanwhile Choreographer will treat every display as independent disconnected display.
@@ -228,6 +238,7 @@
     std::vector<DisplayViewport> mViewports GUARDED_BY(getLock());
     bool mShowTouchesEnabled GUARDED_BY(getLock());
     bool mStylusPointerIconEnabled GUARDED_BY(getLock());
+    bool mPointerMotionFilterEnabled GUARDED_BY(getLock());
     std::set<ui::LogicalDisplayId /*displayId*/> mDisplaysWithPointersHidden;
     ui::LogicalDisplayId mCurrentFocusedDisplay GUARDED_BY(getLock());
 
diff --git a/services/inputflinger/include/PointerChoreographerPolicyInterface.h b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
index 36614b2..c805b74 100644
--- a/services/inputflinger/include/PointerChoreographerPolicyInterface.h
+++ b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
@@ -61,6 +61,16 @@
 
     /* Notifies that mouse cursor faded due to typing. */
     virtual void notifyMouseCursorFadedOnTyping() = 0;
+
+    /**
+     * Give accessibility a chance to filter motion event by pointer devices.
+     * The return values denotes the delta x and y after filtering it.
+     *
+     * This call happens on the input hot path and it is extremely performance sensitive.
+     * This also must not call back into native code.
+     */
+    virtual std::optional<vec2> filterPointerMotionForAccessibility(
+            const vec2& current, const vec2& delta, const ui::LogicalDisplayId& displayId) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/tests/InterfaceMocks.h b/services/inputflinger/tests/InterfaceMocks.h
index dce5472..06d60ce 100644
--- a/services/inputflinger/tests/InterfaceMocks.h
+++ b/services/inputflinger/tests/InterfaceMocks.h
@@ -191,6 +191,9 @@
                 (ui::LogicalDisplayId displayId, const vec2& position), (override));
     MOCK_METHOD(bool, isInputMethodConnectionActive, (), (override));
     MOCK_METHOD(void, notifyMouseCursorFadedOnTyping, (), (override));
+    MOCK_METHOD(std::optional<vec2>, filterPointerMotionForAccessibility,
+                (const vec2& current, const vec2& delta, const ui::LogicalDisplayId& displayId),
+                (override));
 };
 
 class MockInputDevice : public InputDevice {
diff --git a/services/inputflinger/tests/PointerChoreographer_test.cpp b/services/inputflinger/tests/PointerChoreographer_test.cpp
index 1286a36..d02c3d9 100644
--- a/services/inputflinger/tests/PointerChoreographer_test.cpp
+++ b/services/inputflinger/tests/PointerChoreographer_test.cpp
@@ -1776,6 +1776,89 @@
     firstMousePc->assertPointerIconNotSet();
 }
 
+TEST_F(PointerChoreographerTest, A11yPointerMotionFilterMouse) {
+    mChoreographer.setDisplayViewports(createViewports({DISPLAY_ID}));
+    mChoreographer.setDefaultMouseDisplayId(DISPLAY_ID);
+    mChoreographer.notifyInputDevicesChanged(
+            {/*id=*/0,
+             {generateTestDeviceInfo(DEVICE_ID, AINPUT_SOURCE_MOUSE,
+                                     ui::LogicalDisplayId::INVALID)}});
+    auto pc = assertPointerControllerCreated(ControllerType::MOUSE);
+    ASSERT_EQ(DISPLAY_ID, pc->getDisplayId());
+
+    pc->setPosition(100, 200);
+    mChoreographer.setAccessibilityPointerMotionFilterEnabled(true);
+
+    EXPECT_CALL(mMockPolicy,
+                filterPointerMotionForAccessibility(testing::Eq(vec2{100, 200}),
+                                                    testing::Eq(vec2{10.f, 20.f}),
+                                                    testing::Eq(DISPLAY_ID)))
+            .Times(1)
+            .WillOnce(testing::Return(vec2{4, 13}));
+
+    mChoreographer.notifyMotion(
+            MotionArgsBuilder(AMOTION_EVENT_ACTION_HOVER_MOVE, AINPUT_SOURCE_MOUSE)
+                    .pointer(MOUSE_POINTER)
+                    .deviceId(DEVICE_ID)
+                    .displayId(ui::LogicalDisplayId::INVALID)
+                    .build());
+
+    // Cursor position is decided by filtered delta, but pointer coord's relative values are kept.
+    pc->assertPosition(104, 213);
+    mTestListener.assertNotifyMotionWasCalled(AllOf(WithCoords(104, 213), WithDisplayId(DISPLAY_ID),
+                                                    WithCursorPosition(104, 213),
+                                                    WithRelativeMotion(10, 20)));
+}
+
+TEST_F(PointerChoreographerTest, A11yPointerMotionFilterTouchpad) {
+    mChoreographer.setDisplayViewports(createViewports({DISPLAY_ID}));
+    mChoreographer.setDefaultMouseDisplayId(DISPLAY_ID);
+    mChoreographer.notifyInputDevicesChanged(
+            {/*id=*/0,
+             {generateTestDeviceInfo(DEVICE_ID, AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_TOUCHPAD,
+                                     ui::LogicalDisplayId::INVALID)}});
+    auto pc = assertPointerControllerCreated(ControllerType::MOUSE);
+    ASSERT_EQ(DISPLAY_ID, pc->getDisplayId());
+
+    pc->setPosition(100, 200);
+    mChoreographer.setAccessibilityPointerMotionFilterEnabled(true);
+
+    EXPECT_CALL(mMockPolicy,
+                filterPointerMotionForAccessibility(testing::Eq(vec2{100, 200}),
+                                                    testing::Eq(vec2{10.f, 20.f}),
+                                                    testing::Eq(DISPLAY_ID)))
+            .Times(1)
+            .WillOnce(testing::Return(vec2{4, 13}));
+
+    mChoreographer.notifyMotion(
+            MotionArgsBuilder(AMOTION_EVENT_ACTION_HOVER_MOVE, AINPUT_SOURCE_MOUSE)
+                    .pointer(TOUCHPAD_POINTER)
+                    .deviceId(DEVICE_ID)
+                    .displayId(ui::LogicalDisplayId::INVALID)
+                    .build());
+
+    // Cursor position is decided by filtered delta, but pointer coord's relative values are kept.
+    pc->assertPosition(104, 213);
+    mTestListener.assertNotifyMotionWasCalled(AllOf(WithCoords(104, 213), WithDisplayId(DISPLAY_ID),
+                                                    WithCursorPosition(104, 213),
+                                                    WithRelativeMotion(10, 20)));
+}
+
+TEST_F(PointerChoreographerTest, A11yPointerMotionFilterNotFilterTouch) {
+    mChoreographer.notifyInputDevicesChanged(
+            {/*id=*/0, {generateTestDeviceInfo(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID)}});
+    mChoreographer.setAccessibilityPointerMotionFilterEnabled(true);
+
+    EXPECT_CALL(mMockPolicy, filterPointerMotionForAccessibility).Times(0);
+
+    mChoreographer.notifyMotion(
+            MotionArgsBuilder(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                    .pointer(FIRST_TOUCH_POINTER)
+                    .deviceId(DEVICE_ID)
+                    .displayId(DISPLAY_ID)
+                    .build());
+}
+
 using SkipPointerScreenshotForPrivacySensitiveDisplaysFixtureParam =
         std::tuple<std::string_view /*name*/, uint32_t /*source*/, ControllerType, PointerBuilder,
                    std::function<void(PointerChoreographer&)>, int32_t /*action*/>;