diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 9eb322e..ef07540 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -1184,6 +1184,11 @@
         mInfo.setInputConfig(WindowInfo::InputConfig::DISABLE_USER_ACTIVITY, disableUserActivity);
     }
 
+    void setGlobalStylusBlocksTouch(bool shouldGlobalStylusBlockTouch) {
+        mInfo.setInputConfig(WindowInfo::InputConfig::GLOBAL_STYLUS_BLOCKS_TOUCH,
+                             shouldGlobalStylusBlockTouch);
+    }
+
     void setAlpha(float alpha) { mInfo.alpha = alpha; }
 
     void setTouchOcclusionMode(TouchOcclusionMode mode) { mInfo.touchOcclusionMode = mode; }
@@ -3341,6 +3346,150 @@
 }
 
 /**
+ * If stylus is down anywhere on the screen, then touches should not be delivered to windows that
+ * have InputConfig::GLOBAL_STYLUS_BLOCKS_TOUCH.
+ *
+ * Two windows: one on the left and one on the right.
+ * The window on the right has GLOBAL_STYLUS_BLOCKS_TOUCH config.
+ * Stylus down on the left window, and then touch down on the right window.
+ * Check that the right window doesn't get touches while the stylus is down on the left window.
+ */
+TEST_F(InputDispatcherMultiDeviceTest, GlobalStylusDownBlocksTouch) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> leftWindow =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left window",
+                                       ADISPLAY_ID_DEFAULT);
+    leftWindow->setFrame(Rect(0, 0, 100, 100));
+
+    sp<FakeWindowHandle> sbtRightWindow =
+            sp<FakeWindowHandle>::make(application, mDispatcher,
+                                       "Stylus blocks touch (right) window", ADISPLAY_ID_DEFAULT);
+    sbtRightWindow->setFrame(Rect(100, 100, 200, 200));
+    sbtRightWindow->setGlobalStylusBlocksTouch(true);
+
+    mDispatcher->onWindowInfosChanged(
+            {{*leftWindow->getInfo(), *sbtRightWindow->getInfo()}, {}, 0, 0});
+
+    const int32_t stylusDeviceId = 5;
+    const int32_t touchDeviceId = 4;
+
+    // Stylus down in the left window
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(50).y(52))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(stylusDeviceId)));
+
+    // Finger tap on the right window
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(151))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(151))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+
+    // The touch should be blocked, because stylus is down somewhere else on screen!
+    sbtRightWindow->assertNoEvents();
+
+    // Continue stylus motion, and ensure it's not impacted.
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_MOVE, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(51).y(53))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_UP, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(51).y(53))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_MOVE), WithDeviceId(stylusDeviceId)));
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_UP), WithDeviceId(stylusDeviceId)));
+
+    // Now that the stylus gesture is done, touches should be getting delivered correctly.
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(151).y(153))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+    sbtRightWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(touchDeviceId)));
+}
+
+/**
+ * If stylus is hovering anywhere on the screen, then touches should not be delivered to windows
+ * that have InputConfig::GLOBAL_STYLUS_BLOCKS_TOUCH.
+ *
+ * Two windows: one on the left and one on the right.
+ * The window on the right has GLOBAL_STYLUS_BLOCKS_TOUCH config.
+ * Stylus hover on the left window, and then touch down on the right window.
+ * Check that the right window doesn't get touches while the stylus is hovering on the left window.
+ */
+TEST_F(InputDispatcherMultiDeviceTest, GlobalStylusHoverBlocksTouch) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> leftWindow =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Left window",
+                                       ADISPLAY_ID_DEFAULT);
+    leftWindow->setFrame(Rect(0, 0, 100, 100));
+
+    sp<FakeWindowHandle> sbtRightWindow =
+            sp<FakeWindowHandle>::make(application, mDispatcher,
+                                       "Stylus blocks touch (right) window", ADISPLAY_ID_DEFAULT);
+    sbtRightWindow->setFrame(Rect(100, 100, 200, 200));
+    sbtRightWindow->setGlobalStylusBlocksTouch(true);
+
+    mDispatcher->onWindowInfosChanged(
+            {{*leftWindow->getInfo(), *sbtRightWindow->getInfo()}, {}, 0, 0});
+
+    const int32_t stylusDeviceId = 5;
+    const int32_t touchDeviceId = 4;
+
+    // Stylus hover in the left window
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_HOVER_ENTER, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(50).y(52))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_HOVER_ENTER), WithDeviceId(stylusDeviceId)));
+
+    // Finger tap on the right window
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(151))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(151))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+
+    // The touch should be blocked, because stylus is hovering somewhere else on screen!
+    sbtRightWindow->assertNoEvents();
+
+    // Continue stylus motion, and ensure it's not impacted.
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_HOVER_MOVE, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(51).y(53))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_HOVER_EXIT, AINPUT_SOURCE_STYLUS)
+                                      .pointer(PointerBuilder(0, ToolType::STYLUS).x(51).y(53))
+                                      .deviceId(stylusDeviceId)
+                                      .build());
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_HOVER_MOVE), WithDeviceId(stylusDeviceId)));
+    leftWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_HOVER_EXIT), WithDeviceId(stylusDeviceId)));
+
+    // Now that the stylus gesture is done, touches should be getting delivered correctly.
+    mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                                      .pointer(PointerBuilder(0, ToolType::FINGER).x(151).y(153))
+                                      .deviceId(touchDeviceId)
+                                      .build());
+    sbtRightWindow->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(touchDeviceId)));
+}
+
+/**
  * A spy window above a window with no input channel.
  * Start hovering with a stylus device, and then tap with it.
  * Ensure spy window receives the entire sequence.