Merge "Plumbing through GPU context priority"
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index cbb74b3..afa0b4d 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -2864,31 +2864,23 @@
     // duration is logged into MYLOG instead.
     PrintHeader();
 
-    // TODO(b/158737089) reduce code repetition in if branches
-    if (options_->telephony_only) {
-        MaybeTakeEarlyScreenshot();
-        onUiIntensiveBugreportDumpsFinished(calling_uid);
-        MaybeCheckUserConsent(calling_uid, calling_package);
-        DumpstateTelephonyOnly(calling_package);
-    } else if (options_->wifi_only) {
-        MaybeTakeEarlyScreenshot();
-        onUiIntensiveBugreportDumpsFinished(calling_uid);
-        MaybeCheckUserConsent(calling_uid, calling_package);
-        DumpstateWifiOnly();
-    } else if (options_->limited_only) {
-        MaybeTakeEarlyScreenshot();
-        onUiIntensiveBugreportDumpsFinished(calling_uid);
-        MaybeCheckUserConsent(calling_uid, calling_package);
-        DumpstateLimitedOnly();
-    } else {
+    bool is_dumpstate_restricted = options_->telephony_only
+                                   || options_->wifi_only
+                                   || options_->limited_only;
+    if (!is_dumpstate_restricted) {
         // Invoke critical dumpsys first to preserve system state, before doing anything else.
         RunDumpsysCritical();
-
-        // Take screenshot and get consent only after critical dumpsys has finished.
-        MaybeTakeEarlyScreenshot();
-        onUiIntensiveBugreportDumpsFinished(calling_uid);
-        MaybeCheckUserConsent(calling_uid, calling_package);
-
+    }
+    MaybeTakeEarlyScreenshot();
+    onUiIntensiveBugreportDumpsFinished(calling_uid);
+    MaybeCheckUserConsent(calling_uid, calling_package);
+    if (options_->telephony_only) {
+        DumpstateTelephonyOnly(calling_package);
+    } else if (options_->wifi_only) {
+        DumpstateWifiOnly();
+    } else if (options_->limited_only) {
+        DumpstateLimitedOnly();
+    } else {
         // Dump state for the default case. This also drops root.
         RunStatus s = DumpstateDefaultAfterCritical();
         if (s != RunStatus::OK) {
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index b821578..818804a 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -398,6 +398,10 @@
         PLOG(ERROR) << "Failed to prepare " << profile_dir;
         return false;
     }
+    if (selinux_android_restorecon(profile_dir.c_str(), 0)) {
+        PLOG(ERROR) << "Failed to restorecon " << profile_dir;
+        return false;
+    }
 
     const std::string ref_profile_path =
             create_primary_reference_profile_package_dir_path(packageName);
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 594880a..65fc46e 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -1818,10 +1818,13 @@
 
     pid_t pid = fork();
     if (pid == 0) {
+        // Need to set schedpolicy before dropping privileges
+        // for cgroup migration. See details at b/175178520.
+        SetDex2OatScheduling(boot_complete);
+
         /* child -- drop privileges before continuing */
         drop_capabilities(uid);
 
-        SetDex2OatScheduling(boot_complete);
         if (flock(out_oat.fd(), LOCK_EX | LOCK_NB) != 0) {
             PLOG(ERROR) << "flock(" << out_oat.path() << ") failed";
             _exit(DexoptReturnCodes::kFlock);
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 36af49a..7c3ba3f 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -83,6 +83,9 @@
     // or dessert updates. Instead, apex users should use libbinder_ndk.
     apex_available: [
         "//apex_available:platform",
+        // TODO(b/166468760) remove these three
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
     ],
 
     srcs: [
@@ -180,6 +183,14 @@
     ],
     tidy_checks_as_errors: [
         "*",
+        "-clang-analyzer-core.CallAndMessage",
+        "-clang-analyzer-core.uninitialized.Assign",
+        "-clang-analyzer-unix.Malloc,",
+        "-clang-analyzer-deadcode.DeadStores",
+        "-clang-analyzer-optin.cplusplus.UninitializedObject",
+        "-misc-no-recursion",
+        "-misc-redundant-expression",
+        "-misc-unused-using-decls",
     ],
 }
 
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index d4c7acf..7d01e0b 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -1248,10 +1248,22 @@
                 constexpr uint32_t kForwardReplyFlags = TF_CLEAR_BUF;
                 sendReply(reply, (tr.flags & kForwardReplyFlags));
             } else {
-                if (error != OK || reply.dataSize() != 0) {
-                    alog << "oneway function results will be dropped but finished with status "
-                         << statusToString(error)
-                         << " and parcel size " << reply.dataSize() << endl;
+                if (error != OK) {
+                    alog << "oneway function results for code " << tr.code
+                         << " on binder at "
+                         << reinterpret_cast<void*>(tr.target.ptr)
+                         << " will be dropped but finished with status "
+                         << statusToString(error);
+
+                    // ideally we could log this even when error == OK, but it
+                    // causes too much logspam because some manually-written
+                    // interfaces have clients that call methods which always
+                    // write results, sometimes as oneway methods.
+                    if (reply.dataSize() != 0) {
+                         alog << " and reply parcel size " << reply.dataSize();
+                    }
+
+                    alog << endl;
                 }
                 LOG_ONEWAY("NOT sending reply to %d!", mCallingPid);
             }
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 35c697e..f1085cf 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -136,7 +136,9 @@
         OP_PHONE_CALL_MICROPHONE = 100,
         OP_PHONE_CALL_CAMERA = 101,
         OP_RECORD_AUDIO_HOTWORD = 102,
-        _NUM_OP = 103
+        // Ops 103-105 are currently unused in native, and intentionally omitted
+        OP_RECORD_AUDIO_OUTPUT = 106,
+        _NUM_OP = 107
     };
 
     AppOpsManager();
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index a57beee..bdb74dc 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -105,6 +105,14 @@
     ],
     tidy_checks_as_errors: [
         "*",
+        "-clang-analyzer-core.CallAndMessage",
+        "-clang-analyzer-core.uninitialized.Assign",
+        "-clang-analyzer-unix.Malloc,",
+        "-clang-analyzer-deadcode.DeadStores",
+        "-clang-analyzer-optin.cplusplus.UninitializedObject",
+        "-misc-no-recursion",
+        "-misc-redundant-expression",
+        "-misc-unused-using-decls",
     ],
 }
 
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 0f7d159..a5261e5 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -404,6 +404,13 @@
     EXPECT_EQ(NO_ERROR, ret);
 }
 
+TEST_F(BinderLibTest, NopTransactionOneway) {
+    status_t ret;
+    Parcel data, reply;
+    ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_ONE_WAY);
+    EXPECT_EQ(NO_ERROR, ret);
+}
+
 TEST_F(BinderLibTest, NopTransactionClear) {
     status_t ret;
     Parcel data, reply;
@@ -1182,9 +1189,6 @@
         virtual status_t onTransact(uint32_t code,
                                     const Parcel& data, Parcel* reply,
                                     uint32_t flags = 0) {
-            //printf("%s: code %d\n", __func__, code);
-            (void)flags;
-
             if (getuid() != (uid_t)IPCThreadState::self()->getCallingUid()) {
                 return PERMISSION_DENIED;
             }
@@ -1258,8 +1262,12 @@
                 return NO_ERROR;
             case BINDER_LIB_TEST_NOP_TRANSACTION_WAIT:
                 usleep(5000);
-                return NO_ERROR;
+                [[fallthrough]];
             case BINDER_LIB_TEST_NOP_TRANSACTION:
+                // oneway error codes should be ignored
+                if (flags & TF_ONE_WAY) {
+                    return UNKNOWN_ERROR;
+                }
                 return NO_ERROR;
             case BINDER_LIB_TEST_DELAYED_CALL_BACK: {
                 // Note: this transaction is only designed for use with a
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 68000e4..bf0386f 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -42,6 +42,10 @@
 // Macros to include adapter info in log messages
 #define BQA_LOGV(x, ...) \
     ALOGV("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
+// enable logs for a single layer
+//#define BQA_LOGV(x, ...) \
+//    ALOGV_IF((strstr(mName.c_str(), "SurfaceView") != nullptr), "[%s](f:%u,a:%u) " x, \
+//              mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
 #define BQA_LOGE(x, ...) \
     ALOGE("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
 
@@ -248,7 +252,8 @@
 
     BufferItem bufferItem;
 
-    status_t status = mBufferItemConsumer->acquireBuffer(&bufferItem, -1, false);
+    status_t status =
+            mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
     if (status != OK) {
         BQA_LOGE("Failed to acquire a buffer, err=%s", statusToString(status).c_str());
         return;
diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index 7fc0499..5ff9240 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -740,15 +740,6 @@
         if (needs.isOpaque()) {
             fs << "gl_FragColor.a = 1.0;";
         }
-        if (needs.hasAlpha()) {
-            // modulate the current alpha value with alpha set
-            if (needs.isPremultiplied()) {
-                // ... and the color too if we're premultiplied
-                fs << "gl_FragColor *= color.a;";
-            } else {
-                fs << "gl_FragColor.a *= color.a;";
-            }
-        }
     }
 
     if (needs.hasTransformMatrix() || (needs.getInputTF() != needs.getOutputTF()) ||
@@ -768,6 +759,23 @@
         }
     }
 
+    /*
+     * Whether applying layer alpha before or after color transform doesn't matter,
+     * as long as we can undo premultiplication. But we cannot un-premultiply
+     * for color transform if the layer alpha = 0, e.g. 0 / (0 + 0.0019) = 0.
+     */
+    if (!needs.drawShadows()) {
+        if (needs.hasAlpha()) {
+            // modulate the current alpha value with alpha set
+            if (needs.isPremultiplied()) {
+                // ... and the color too if we're premultiplied
+                fs << "gl_FragColor *= color.a;";
+            } else {
+                fs << "gl_FragColor.a *= color.a;";
+            }
+        }
+    }
+
     if (needs.hasRoundedCorners()) {
         if (needs.isPremultiplied()) {
             fs << "gl_FragColor *= vec4(applyCornerRadius(outCropCoords));";
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 4e9c5af..ee0a70a 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -587,6 +587,10 @@
             if (!texMatrix.invert(&matrix)) {
                 matrix = texMatrix;
             }
+            // The shader does not respect the translation, so we add it to the texture
+            // transform for the SkImage. This will make sure that the correct layer contents
+            // are drawn in the correct part of the screen.
+            matrix.postTranslate(layer->geometry.boundaries.left, layer->geometry.boundaries.top);
 
             sk_sp<SkShader> shader;
 
@@ -596,7 +600,7 @@
                                                    {SkFilterMode::kLinear, SkMipmapMode::kNone}),
                                            &matrix);
             } else {
-                shader = image->makeShader(matrix);
+                shader = image->makeShader(SkSamplingOptions(), matrix);
             }
 
             if (mUseColorManagement &&
@@ -649,12 +653,11 @@
             drawShadow(canvas, rect, layer->geometry.roundedCornersRadius, layer->shadow);
         }
 
+        // Push the clipRRect onto the clip stack. Draw the image. Pop the clip.
         if (layer->geometry.roundedCornersRadius > 0) {
-            canvas->drawRRect(getRoundedRect(layer), paint);
-        } else {
-            canvas->drawRect(dest, paint);
+            canvas->clipRRect(getRoundedRect(layer), true);
         }
-
+        canvas->drawRect(dest, paint);
         canvas->restore();
     }
     canvas->restore();
@@ -698,7 +701,7 @@
 }
 
 inline SkRRect SkiaGLRenderEngine::getRoundedRect(const LayerSettings* layer) {
-    const auto rect = getSkRect(layer->geometry.boundaries);
+    const auto rect = getSkRect(layer->geometry.roundedCornersCrop);
     const auto cornerRadius = layer->geometry.roundedCornersRadius;
     return SkRRect::MakeRectXY(rect, cornerRadius, cornerRadius);
 }
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index e825742..d9dfd8c 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -406,6 +406,12 @@
     void fillBufferColorTransform();
 
     template <typename SourceVariant>
+    void fillBufferWithColorTransformZeroLayerAlpha();
+
+    template <typename SourceVariant>
+    void fillBufferColorTransformZeroLayerAlpha();
+
+    template <typename SourceVariant>
     void fillRedBufferWithRoundedCorners();
 
     template <typename SourceVariant>
@@ -765,6 +771,36 @@
 }
 
 template <typename SourceVariant>
+void RenderEngineTest::fillBufferWithColorTransformZeroLayerAlpha() {
+    renderengine::DisplaySettings settings;
+    settings.physicalDisplay = fullscreenRect();
+    settings.clip = Rect(1, 1);
+
+    std::vector<const renderengine::LayerSettings*> layers;
+
+    renderengine::LayerSettings layer;
+    layer.geometry.boundaries = Rect(1, 1).toFloatRect();
+    SourceVariant::fillColor(layer, 0.5f, 0.25f, 0.125f, this);
+    layer.alpha = 0;
+
+    // construct a fake color matrix
+    // simple inverse color
+    settings.colorTransform = mat4(-1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 1, 1, 1, 1);
+
+    layer.geometry.boundaries = Rect(1, 1).toFloatRect();
+
+    layers.push_back(&layer);
+
+    invokeDraw(settings, layers, mBuffer);
+}
+
+template <typename SourceVariant>
+void RenderEngineTest::fillBufferColorTransformZeroLayerAlpha() {
+    fillBufferWithColorTransformZeroLayerAlpha<SourceVariant>();
+    expectBufferColor(fullscreenRect(), 0, 0, 0, 0);
+}
+
+template <typename SourceVariant>
 void RenderEngineTest::fillRedBufferWithRoundedCorners() {
     renderengine::DisplaySettings settings;
     settings.physicalDisplay = fullscreenRect();
@@ -1240,6 +1276,13 @@
     fillBufferWithRoundedCorners<ColorSourceVariant>();
 }
 
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_colorSource) {
+    const auto& renderEngineFactory = GetParam();
+    mRE = renderEngineFactory->createRenderEngine();
+
+    fillBufferColorTransformZeroLayerAlpha<ColorSourceVariant>();
+}
+
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_colorSource) {
     const auto& renderEngineFactory = GetParam();
     mRE = renderEngineFactory->createRenderEngine();
@@ -1337,6 +1380,12 @@
 
     fillBufferWithRoundedCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
 }
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_opaqueBufferSource) {
+    const auto& renderEngineFactory = GetParam();
+    mRE = renderEngineFactory->createRenderEngine();
+
+    fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<ForceOpaqueBufferVariant>>();
+}
 
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
     const auto& renderEngineFactory = GetParam();
@@ -1436,6 +1485,13 @@
     fillBufferWithRoundedCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
 }
 
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_bufferSource) {
+    const auto& renderEngineFactory = GetParam();
+    mRE = renderEngineFactory->createRenderEngine();
+
+    fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
+}
+
 TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_bufferSource) {
     const auto& renderEngineFactory = GetParam();
     mRE = renderEngineFactory->createRenderEngine();
@@ -1735,6 +1791,56 @@
     EXPECT_TRUE(mRE->isTextureNameKnownForTesting(texName));
 }
 
+TEST_P(RenderEngineTest, testRoundedCornersCrop) {
+    const auto& renderEngineFactory = GetParam();
+    mRE = renderEngineFactory->createRenderEngine();
+
+    renderengine::DisplaySettings settings;
+    settings.physicalDisplay = fullscreenRect();
+    settings.clip = fullscreenRect();
+    settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+
+    std::vector<const renderengine::LayerSettings*> layers;
+
+    renderengine::LayerSettings redLayer;
+    redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+    redLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+    redLayer.geometry.roundedCornersRadius = 5.0f;
+    redLayer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
+    // Red background.
+    redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
+    redLayer.alpha = 1.0f;
+
+    layers.push_back(&redLayer);
+
+    // Green layer with 1/3 size.
+    renderengine::LayerSettings greenLayer;
+    greenLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+    greenLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+    greenLayer.geometry.roundedCornersRadius = 5.0f;
+    // Bottom right corner is not going to be rounded.
+    greenLayer.geometry.roundedCornersCrop =
+            Rect(DEFAULT_DISPLAY_WIDTH / 3, DEFAULT_DISPLAY_HEIGHT / 3, DEFAULT_DISPLAY_HEIGHT,
+                 DEFAULT_DISPLAY_HEIGHT)
+                    .toFloatRect();
+    greenLayer.source.solidColor = half3(0.0f, 1.0f, 0.0f);
+    greenLayer.alpha = 1.0f;
+
+    layers.push_back(&greenLayer);
+
+    invokeDraw(settings, layers, mBuffer);
+
+    // Corners should be ignored...
+    // Screen size: width is 128, height is 256.
+    expectBufferColor(Rect(0, 0, 1, 1), 0, 0, 0, 0);
+    expectBufferColor(Rect(DEFAULT_DISPLAY_WIDTH - 1, 0, DEFAULT_DISPLAY_WIDTH, 1), 0, 0, 0, 0);
+    expectBufferColor(Rect(0, DEFAULT_DISPLAY_HEIGHT - 1, 1, DEFAULT_DISPLAY_HEIGHT), 0, 0, 0, 0);
+    // Bottom right corner is kept out of the clipping, and it's green.
+    expectBufferColor(Rect(DEFAULT_DISPLAY_WIDTH - 1, DEFAULT_DISPLAY_HEIGHT - 1,
+                           DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
+                      0, 255, 0, 255);
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 9fea298..7c572b4 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -96,6 +96,8 @@
 
     void onPointerDownOutsideFocus(const sp<IBinder>& newToken) override {}
 
+    void setPointerCapture(bool enabled) override {}
+
     InputDispatcherConfiguration mConfig;
 };
 
diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index 29df00b..d8a6548 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -114,6 +114,22 @@
     return StringPrintf("FocusEvent(hasFocus=%s)", hasFocus ? "true" : "false");
 }
 
+// --- PointerCaptureChangedEntry ---
+
+// PointerCaptureChanged notifications always go to apps, so set the flag POLICY_FLAG_PASS_TO_USER
+// for all entries.
+PointerCaptureChangedEntry::PointerCaptureChangedEntry(int32_t id, nsecs_t eventTime,
+                                                       bool hasPointerCapture)
+      : EventEntry(id, Type::POINTER_CAPTURE_CHANGED, eventTime, POLICY_FLAG_PASS_TO_USER),
+        pointerCaptureEnabled(hasPointerCapture) {}
+
+PointerCaptureChangedEntry::~PointerCaptureChangedEntry() {}
+
+std::string PointerCaptureChangedEntry::getDescription() const {
+    return StringPrintf("PointerCaptureChangedEvent(pointerCaptureEnabled=%s)",
+                        pointerCaptureEnabled ? "true" : "false");
+}
+
 // --- KeyEntry ---
 
 KeyEntry::KeyEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index 0661709..fba5514 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -36,6 +36,7 @@
         FOCUS,
         KEY,
         MOTION,
+        POINTER_CAPTURE_CHANGED,
     };
 
     static const char* typeToString(Type type) {
@@ -50,6 +51,8 @@
                 return "KEY";
             case Type::MOTION:
                 return "MOTION";
+            case Type::POINTER_CAPTURE_CHANGED:
+                return "POINTER_CAPTURE_CHANGED";
         }
     }
 
@@ -115,6 +118,15 @@
     virtual ~FocusEntry();
 };
 
+struct PointerCaptureChangedEntry : EventEntry {
+    bool pointerCaptureEnabled;
+
+    PointerCaptureChangedEntry(int32_t id, nsecs_t eventTime, bool hasPointerCapture);
+    std::string getDescription() const override;
+
+    virtual ~PointerCaptureChangedEntry();
+};
+
 struct KeyEntry : EventEntry {
     int32_t deviceId;
     uint32_t source;
@@ -254,6 +266,7 @@
     sp<IBinder> oldToken;
     sp<IBinder> newToken;
     std::string obscuringPackage;
+    bool enabled;
 };
 
 } // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index ed4f05a..6c44a54 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -454,6 +454,8 @@
         mInTouchMode(true),
         mMaximumObscuringOpacityForTouch(1.0f),
         mFocusedDisplayId(ADISPLAY_ID_DEFAULT),
+        mFocusedWindowRequestedPointerCapture(false),
+        mWindowTokenWithPointerCapture(nullptr),
         mCompatService(getCompatService()) {
     mLooper = new Looper(false);
     mReporter = createInputReporter();
@@ -713,6 +715,14 @@
             break;
         }
 
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+            const auto typedEntry =
+                    std::static_pointer_cast<PointerCaptureChangedEntry>(mPendingEvent);
+            dispatchPointerCaptureChangedLocked(currentTime, typedEntry, dropReason);
+            done = true;
+            break;
+        }
+
         case EventEntry::Type::KEY: {
             std::shared_ptr<KeyEntry> keyEntry = std::static_pointer_cast<KeyEntry>(mPendingEvent);
             if (isAppSwitchDue) {
@@ -862,7 +872,8 @@
             break;
         }
         case EventEntry::Type::CONFIGURATION_CHANGED:
-        case EventEntry::Type::DEVICE_RESET: {
+        case EventEntry::Type::DEVICE_RESET:
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
             // nothing to do
             break;
         }
@@ -968,6 +979,10 @@
             ALOGI("Dropped event because it is stale.");
             reason = "inbound event was dropped because it is stale";
             break;
+        case DropReason::NO_POINTER_CAPTURE:
+            ALOGI("Dropped event because there is no window with Pointer Capture.");
+            reason = "inbound event was dropped because there is no window with Pointer Capture";
+            break;
         case DropReason::NOT_DROPPED: {
             LOG_ALWAYS_FATAL("Should not be dropping a NOT_DROPPED event");
             return;
@@ -991,6 +1006,9 @@
             }
             break;
         }
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+            break;
+        }
         case EventEntry::Type::FOCUS:
         case EventEntry::Type::CONFIGURATION_CHANGED:
         case EventEntry::Type::DEVICE_RESET: {
@@ -1176,6 +1194,55 @@
     dispatchEventLocked(currentTime, entry, {target});
 }
 
+void InputDispatcher::dispatchPointerCaptureChangedLocked(
+        nsecs_t currentTime, const std::shared_ptr<PointerCaptureChangedEntry>& entry,
+        DropReason& dropReason) {
+    const bool haveWindowWithPointerCapture = mWindowTokenWithPointerCapture != nullptr;
+    if (entry->pointerCaptureEnabled == haveWindowWithPointerCapture) {
+        LOG_ALWAYS_FATAL_IF(mFocusedWindowRequestedPointerCapture,
+                            "The Pointer Capture state has already been dispatched to the window.");
+        // Pointer capture was already forcefully disabled because of focus change.
+        dropReason = DropReason::NOT_DROPPED;
+        return;
+    }
+
+    // Set drop reason for early returns
+    dropReason = DropReason::NO_POINTER_CAPTURE;
+
+    sp<IBinder> token;
+    if (entry->pointerCaptureEnabled) {
+        // Enable Pointer Capture
+        if (!mFocusedWindowRequestedPointerCapture) {
+            // This can happen if a window requests capture and immediately releases capture.
+            ALOGW("No window requested Pointer Capture.");
+            return;
+        }
+        token = getValueByKey(mFocusedWindowTokenByDisplay, mFocusedDisplayId);
+        LOG_ALWAYS_FATAL_IF(!token, "Cannot find focused window for Pointer Capture.");
+        mWindowTokenWithPointerCapture = token;
+    } else {
+        // Disable Pointer Capture
+        token = mWindowTokenWithPointerCapture;
+        mWindowTokenWithPointerCapture = nullptr;
+        mFocusedWindowRequestedPointerCapture = false;
+    }
+
+    auto channel = getInputChannelLocked(token);
+    if (channel == nullptr) {
+        // Window has gone away, clean up Pointer Capture state.
+        mWindowTokenWithPointerCapture = nullptr;
+        mFocusedWindowRequestedPointerCapture = false;
+        return;
+    }
+    InputTarget target;
+    target.inputChannel = channel;
+    target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+    entry->dispatchInProgress = true;
+    dispatchEventLocked(currentTime, entry, {target});
+
+    dropReason = DropReason::NOT_DROPPED;
+}
+
 bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<KeyEntry> entry,
                                         DropReason* dropReason, nsecs_t* nextWakeupTime) {
     // Preprocessing.
@@ -1483,6 +1550,7 @@
             displayId = motionEntry.displayId;
             break;
         }
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED:
         case EventEntry::Type::FOCUS:
         case EventEntry::Type::CONFIGURATION_CHANGED:
         case EventEntry::Type::DEVICE_RESET: {
@@ -2366,8 +2434,10 @@
 }
 
 void InputDispatcher::pokeUserActivityLocked(const EventEntry& eventEntry) {
-    if (eventEntry.type == EventEntry::Type::FOCUS) {
-        // Focus events are passed to apps, but do not represent user activity.
+    if (eventEntry.type == EventEntry::Type::FOCUS ||
+        eventEntry.type == EventEntry::Type::POINTER_CAPTURE_CHANGED) {
+        // Focus or pointer capture changed events are passed to apps, but do not represent user
+        // activity.
         return;
     }
     int32_t displayId = getTargetDisplayId(eventEntry);
@@ -2405,7 +2475,8 @@
         }
         case EventEntry::Type::FOCUS:
         case EventEntry::Type::CONFIGURATION_CHANGED:
-        case EventEntry::Type::DEVICE_RESET: {
+        case EventEntry::Type::DEVICE_RESET:
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
             LOG_ALWAYS_FATAL("%s events are not user activity",
                              EventEntry::typeToString(eventEntry.type));
             break;
@@ -2617,7 +2688,8 @@
 
             break;
         }
-        case EventEntry::Type::FOCUS: {
+        case EventEntry::Type::FOCUS:
+        case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
             break;
         }
         case EventEntry::Type::CONFIGURATION_CHANGED:
@@ -2821,6 +2893,7 @@
                 reportTouchEventForStatistics(motionEntry);
                 break;
             }
+
             case EventEntry::Type::FOCUS: {
                 const FocusEntry& focusEntry = static_cast<const FocusEntry&>(eventEntry);
                 status = connection->inputPublisher.publishFocusEvent(dispatchEntry->seq,
@@ -2830,6 +2903,15 @@
                 break;
             }
 
+            case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+                const auto& captureEntry =
+                        static_cast<const PointerCaptureChangedEntry&>(eventEntry);
+                status = connection->inputPublisher
+                                 .publishCaptureEvent(dispatchEntry->seq, captureEntry.id,
+                                                      captureEntry.pointerCaptureEnabled);
+                break;
+            }
+
             case EventEntry::Type::CONFIGURATION_CHANGED:
             case EventEntry::Type::DEVICE_RESET: {
                 LOG_ALWAYS_FATAL("Should never start dispatch cycles for %s events",
@@ -3124,8 +3206,10 @@
                                          static_cast<const MotionEntry&>(*cancelationEventEntry));
                 break;
             }
-            case EventEntry::Type::FOCUS: {
-                LOG_ALWAYS_FATAL("Canceling focus events is not supported");
+            case EventEntry::Type::FOCUS:
+            case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+                LOG_ALWAYS_FATAL("Canceling %s events is not supported",
+                                 EventEntry::typeToString(cancelationEventEntry->type));
                 break;
             }
             case EventEntry::Type::CONFIGURATION_CHANGED:
@@ -3185,7 +3269,8 @@
             case EventEntry::Type::KEY:
             case EventEntry::Type::FOCUS:
             case EventEntry::Type::CONFIGURATION_CHANGED:
-            case EventEntry::Type::DEVICE_RESET: {
+            case EventEntry::Type::DEVICE_RESET:
+            case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
                 LOG_ALWAYS_FATAL("%s event should not be found inside Connections's queue",
                                      EventEntry::typeToString(downEventEntry->type));
                 break;
@@ -3562,7 +3647,17 @@
           args->enabled ? "true" : "false");
 #endif
 
-    // TODO(prabirmsp): Implement.
+    bool needWake;
+    { // acquire lock
+        std::scoped_lock _l(mLock);
+        auto entry = std::make_unique<PointerCaptureChangedEntry>(args->id, args->eventTime,
+                                                                  args->enabled);
+        needWake = enqueueInboundEventLocked(std::move(entry));
+    } // release lock
+
+    if (needWake) {
+        mLooper->wake();
+    }
 }
 
 InputEventInjectionResult InputDispatcher::injectInputEvent(
@@ -4456,6 +4551,24 @@
     return dump;
 }
 
+std::string InputDispatcher::dumpPointerCaptureStateLocked() {
+    std::string dump;
+
+    dump += StringPrintf(INDENT "FocusedWindowRequestedPointerCapture: %s\n",
+                         toString(mFocusedWindowRequestedPointerCapture));
+
+    std::string windowName = "None";
+    if (mWindowTokenWithPointerCapture) {
+        const sp<InputWindowHandle> captureWindowHandle =
+                getWindowHandleLocked(mWindowTokenWithPointerCapture);
+        windowName = captureWindowHandle ? captureWindowHandle->getName().c_str()
+                                         : "token has capture without window";
+    }
+    dump += StringPrintf(INDENT "CurrentWindowWithPointerCapture: %s\n", windowName.c_str());
+
+    return dump;
+}
+
 void InputDispatcher::dumpDispatchStateLocked(std::string& dump) {
     dump += StringPrintf(INDENT "DispatchEnabled: %s\n", toString(mDispatchEnabled));
     dump += StringPrintf(INDENT "DispatchFrozen: %s\n", toString(mDispatchFrozen));
@@ -4479,6 +4592,7 @@
 
     dump += dumpFocusedWindowsLocked();
     dump += dumpPendingFocusRequestsLocked();
+    dump += dumpPointerCaptureStateLocked();
 
     if (!mTouchStatesByDisplay.empty()) {
         dump += StringPrintf(INDENT "TouchStatesByDisplay:\n");
@@ -4860,6 +4974,39 @@
     return OK;
 }
 
+void InputDispatcher::requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) {
+    { // acquire lock
+        std::scoped_lock _l(mLock);
+        if (DEBUG_FOCUS) {
+            const sp<InputWindowHandle> windowHandle = getWindowHandleLocked(windowToken);
+            ALOGI("Request to %s Pointer Capture from: %s.", enabled ? "enable" : "disable",
+                  windowHandle != nullptr ? windowHandle->getName().c_str()
+                                          : "token without window");
+        }
+
+        const sp<IBinder> focusedToken =
+                getValueByKey(mFocusedWindowTokenByDisplay, mFocusedDisplayId);
+        if (focusedToken != windowToken) {
+            ALOGW("Ignoring request to %s Pointer Capture: window does not have focus.",
+                  enabled ? "enable" : "disable");
+            return;
+        }
+
+        if (enabled == mFocusedWindowRequestedPointerCapture) {
+            ALOGW("Ignoring request to %s Pointer Capture: "
+                  "window has %s requested pointer capture.",
+                  enabled ? "enable" : "disable", enabled ? "already" : "not");
+            return;
+        }
+
+        mFocusedWindowRequestedPointerCapture = enabled;
+        setPointerCaptureLocked(enabled);
+    } // release lock
+
+    // Wake the thread to process command entries.
+    mLooper->wake();
+}
+
 std::optional<int32_t> InputDispatcher::findGestureMonitorDisplayByTokenLocked(
         const sp<IBinder>& token) {
     for (const auto& it : mGestureMonitorsByDisplay) {
@@ -5578,11 +5725,50 @@
         enqueueFocusEventLocked(newFocusedToken, true /*hasFocus*/, reason);
     }
 
+    // If a window has pointer capture, then it must have focus. We need to ensure that this
+    // contract is upheld when pointer capture is being disabled due to a loss of window focus.
+    // If the window loses focus before it loses pointer capture, then the window can be in a state
+    // where it has pointer capture but not focus, violating the contract. Therefore we must
+    // dispatch the pointer capture event before the focus event. Since focus events are added to
+    // the front of the queue (above), we add the pointer capture event to the front of the queue
+    // after the focus events are added. This ensures the pointer capture event ends up at the
+    // front.
+    disablePointerCaptureForcedLocked();
+
     if (mFocusedDisplayId == displayId) {
         notifyFocusChangedLocked(oldFocusedToken, newFocusedToken);
     }
 }
 
+void InputDispatcher::disablePointerCaptureForcedLocked() {
+    if (!mFocusedWindowRequestedPointerCapture && !mWindowTokenWithPointerCapture) {
+        return;
+    }
+
+    ALOGD_IF(DEBUG_FOCUS, "Disabling Pointer Capture because the window lost focus.");
+
+    if (mFocusedWindowRequestedPointerCapture) {
+        mFocusedWindowRequestedPointerCapture = false;
+        setPointerCaptureLocked(false);
+    }
+
+    if (!mWindowTokenWithPointerCapture) {
+        // No need to send capture changes because no window has capture.
+        return;
+    }
+
+    if (mPendingEvent != nullptr) {
+        // Move the pending event to the front of the queue. This will give the chance
+        // for the pending event to be dropped if it is a captured event.
+        mInboundQueue.push_front(mPendingEvent);
+        mPendingEvent = nullptr;
+    }
+
+    auto entry = std::make_unique<PointerCaptureChangedEntry>(mIdGenerator.nextId(), now(),
+                                                              false /* hasCapture */);
+    mInboundQueue.push_front(std::move(entry));
+}
+
 /**
  * Checks if the window token can be focused on a display. The token can be focused if there is
  * at least one window handle that is visible with the same token and all window handles with the
@@ -5626,4 +5812,21 @@
 
     return FocusResult::OK;
 }
+
+void InputDispatcher::setPointerCaptureLocked(bool enabled) {
+    std::unique_ptr<CommandEntry> commandEntry = std::make_unique<CommandEntry>(
+            &InputDispatcher::doSetPointerCaptureLockedInterruptible);
+    commandEntry->enabled = enabled;
+    postCommandLocked(std::move(commandEntry));
+}
+
+void InputDispatcher::doSetPointerCaptureLockedInterruptible(
+        android::inputdispatcher::CommandEntry* commandEntry) {
+    mLock.unlock();
+
+    mPolicy->setPointerCapture(commandEntry->enabled);
+
+    mLock.lock();
+}
+
 } // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 8f58785..5d37645 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -127,6 +127,7 @@
             int32_t displayId, bool isGestureMonitor, const std::string& name) override;
     virtual status_t removeInputChannel(const sp<IBinder>& connectionToken) override;
     virtual status_t pilferPointers(const sp<IBinder>& token) override;
+    virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) override;
 
     std::array<uint8_t, 32> sign(const VerifiedInputEvent& event) const;
 
@@ -138,6 +139,7 @@
         DISABLED,
         BLOCKED,
         STALE,
+        NO_POINTER_CAPTURE,
     };
 
     enum class FocusResult {
@@ -351,6 +353,21 @@
     // Top focused display.
     int32_t mFocusedDisplayId GUARDED_BY(mLock);
 
+    // Whether the focused window on the focused display has requested Pointer Capture.
+    // The state of this variable should always be in sync with the state of Pointer Capture in the
+    // policy, which is updated through setPointerCaptureLocked(enabled).
+    bool mFocusedWindowRequestedPointerCapture GUARDED_BY(mLock);
+
+    // The window token that has Pointer Capture.
+    // This should be in sync with PointerCaptureChangedEvents dispatched to the input channel.
+    sp<IBinder> mWindowTokenWithPointerCapture GUARDED_BY(mLock);
+
+    // Disable Pointer Capture as a result of loss of window focus.
+    void disablePointerCaptureForcedLocked() REQUIRES(mLock);
+
+    // Set the Pointer Capture state in the Policy.
+    void setPointerCaptureLocked(bool enabled) REQUIRES(mLock);
+
     // Dispatcher state at time of last ANR.
     std::string mLastAnrState GUARDED_BY(mLock);
 
@@ -370,6 +387,9 @@
                               DropReason* dropReason, nsecs_t* nextWakeupTime) REQUIRES(mLock);
     void dispatchFocusLocked(nsecs_t currentTime, std::shared_ptr<FocusEntry> entry)
             REQUIRES(mLock);
+    void dispatchPointerCaptureChangedLocked(
+            nsecs_t currentTime, const std::shared_ptr<PointerCaptureChangedEntry>& entry,
+            DropReason& dropReason) REQUIRES(mLock);
     void dispatchEventLocked(nsecs_t currentTime, std::shared_ptr<EventEntry> entry,
                              const std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
 
@@ -533,6 +553,7 @@
     void logDispatchStateLocked() REQUIRES(mLock);
     std::string dumpFocusedWindowsLocked() REQUIRES(mLock);
     std::string dumpPendingFocusRequestsLocked() REQUIRES(mLock);
+    std::string dumpPointerCaptureStateLocked() REQUIRES(mLock);
 
     // Registration.
     void removeMonitorChannelLocked(const sp<IBinder>& connectionToken) REQUIRES(mLock);
@@ -575,6 +596,7 @@
     void doInterceptKeyBeforeDispatchingLockedInterruptible(CommandEntry* commandEntry)
             REQUIRES(mLock);
     void doDispatchCycleFinishedLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
+    void doSetPointerCaptureLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
     bool afterKeyEventLockedInterruptible(const sp<Connection>& connection,
                                           DispatchEntry* dispatchEntry, KeyEntry& keyEntry,
                                           bool handled) REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 9154d48..2909d69 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -186,6 +186,13 @@
      * This method may be called on any thread (usually by the input manager).
      */
     virtual status_t pilferPointers(const sp<IBinder>& token) = 0;
+
+    /**
+     * Enables Pointer Capture on the specified window if the window has focus.
+     *
+     * InputDispatcher is the source of truth of Pointer Capture.
+     */
+    virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index 1125257..c1821ab 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -134,6 +134,12 @@
      * The touchedToken passed as an argument is the window that received the input event.
      */
     virtual void onPointerDownOutsideFocus(const sp<IBinder>& touchedToken) = 0;
+
+    /* Change the Pointer Capture state in InputReader.
+     *
+     * InputDispatcher is solely responsible for updating the Pointer Capture state.
+     */
+    virtual void setPointerCapture(bool enabled) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 5ab2ae3..7632814 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -211,6 +211,33 @@
         mConfig.keyRepeatDelay = delay;
     }
 
+    void waitForSetPointerCapture(bool enabled) {
+        std::unique_lock lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+
+        if (!mPointerCaptureChangedCondition.wait_for(lock, 100ms,
+                                                      [this, enabled]() REQUIRES(mLock) {
+                                                          return mPointerCaptureEnabled &&
+                                                                  *mPointerCaptureEnabled ==
+                                                                  enabled;
+                                                      })) {
+            FAIL() << "Timed out waiting for setPointerCapture(" << enabled << ") to be called.";
+        }
+        mPointerCaptureEnabled.reset();
+    }
+
+    void assertSetPointerCaptureNotCalled() {
+        std::unique_lock lock(mLock);
+        base::ScopedLockAssertion assumeLocked(mLock);
+
+        if (mPointerCaptureChangedCondition.wait_for(lock, 100ms) != std::cv_status::timeout) {
+            FAIL() << "Expected setPointerCapture(enabled) to not be called, but was called. "
+                      "enabled = "
+                   << *mPointerCaptureEnabled;
+        }
+        mPointerCaptureEnabled.reset();
+    }
+
 private:
     std::mutex mLock;
     std::unique_ptr<InputEvent> mFilteredEvent GUARDED_BY(mLock);
@@ -218,6 +245,9 @@
     sp<IBinder> mOnPointerDownToken GUARDED_BY(mLock);
     std::optional<NotifySwitchArgs> mLastNotifySwitch GUARDED_BY(mLock);
 
+    std::condition_variable mPointerCaptureChangedCondition;
+    std::optional<bool> mPointerCaptureEnabled GUARDED_BY(mLock);
+
     // ANR handling
     std::queue<std::shared_ptr<InputApplicationHandle>> mAnrApplications GUARDED_BY(mLock);
     std::queue<sp<IBinder>> mAnrConnectionTokens GUARDED_BY(mLock);
@@ -307,6 +337,12 @@
         mOnPointerDownToken = newToken;
     }
 
+    void setPointerCapture(bool enabled) override {
+        std::scoped_lock lock(mLock);
+        mPointerCaptureEnabled = {enabled};
+        mPointerCaptureChangedCondition.notify_all();
+    }
+
     void assertFilterInputEventWasCalled(int type, nsecs_t eventTime, int32_t action,
                                          int32_t displayId) {
         std::scoped_lock lock(mLock);
@@ -674,6 +710,9 @@
             case AINPUT_EVENT_TYPE_FOCUS: {
                 FAIL() << "Use 'consumeFocusEvent' for FOCUS events";
             }
+            case AINPUT_EVENT_TYPE_CAPTURE: {
+                FAIL() << "Use 'consumeCaptureEvent' for CAPTURE events";
+            }
             default: {
                 FAIL() << mName.c_str() << ": invalid event type: " << expectedEventType;
             }
@@ -696,6 +735,21 @@
         EXPECT_EQ(inTouchMode, focusEvent->getInTouchMode());
     }
 
+    void consumeCaptureEvent(bool hasCapture) {
+        const InputEvent* event = consume();
+        ASSERT_NE(nullptr, event) << mName.c_str()
+                                  << ": consumer should have returned non-NULL event.";
+        ASSERT_EQ(AINPUT_EVENT_TYPE_CAPTURE, event->getType())
+                << "Got " << inputEventTypeToString(event->getType())
+                << " event instead of CAPTURE event";
+
+        ASSERT_EQ(ADISPLAY_ID_NONE, event->getDisplayId())
+                << mName.c_str() << ": event displayId should always be NONE.";
+
+        const auto& captureEvent = static_cast<const CaptureEvent&>(*event);
+        EXPECT_EQ(hasCapture, captureEvent.getPointerCaptureEnabled());
+    }
+
     void assertNoEvents() {
         InputEvent* event = consume();
         if (event == nullptr) {
@@ -713,6 +767,10 @@
             FocusEvent& focusEvent = static_cast<FocusEvent&>(*event);
             ADD_FAILURE() << "Received focus event, hasFocus = "
                           << (focusEvent.getHasFocus() ? "true" : "false");
+        } else if (event->getType() == AINPUT_EVENT_TYPE_CAPTURE) {
+            const auto& captureEvent = static_cast<CaptureEvent&>(*event);
+            ADD_FAILURE() << "Received capture event, pointerCaptureEnabled = "
+                          << (captureEvent.getPointerCaptureEnabled() ? "true" : "false");
         }
         FAIL() << mName.c_str()
                << ": should not have received any events, so consume() should return NULL";
@@ -859,6 +917,12 @@
         mInputReceiver->consumeFocusEvent(hasFocus, inTouchMode);
     }
 
+    void consumeCaptureEvent(bool hasCapture) {
+        ASSERT_NE(mInputReceiver, nullptr)
+                << "Cannot consume events from a window with no receiver";
+        mInputReceiver->consumeCaptureEvent(hasCapture);
+    }
+
     void consumeEvent(int32_t expectedEventType, int32_t expectedAction, int32_t expectedDisplayId,
                       int32_t expectedFlags) {
         ASSERT_NE(mInputReceiver, nullptr) << "Invalid consume event on window with no receiver";
@@ -1138,6 +1202,10 @@
     return generateMotionArgs(action, source, displayId, {PointF{100, 200}});
 }
 
+static NotifyPointerCaptureChangedArgs generatePointerCaptureChangedArgs(bool enabled) {
+    return NotifyPointerCaptureChangedArgs(/* id */ 0, systemTime(SYSTEM_TIME_MONOTONIC), enabled);
+}
+
 TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
     std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, mDispatcher, "Fake Window",
@@ -3824,4 +3892,88 @@
     // window gets the pending key event
     mWindow->consumeKeyDown(ADISPLAY_ID_DEFAULT);
 }
+
+class InputDispatcherPointerCaptureTests : public InputDispatcherTest {
+protected:
+    std::shared_ptr<FakeApplicationHandle> mApp;
+    sp<FakeWindowHandle> mWindow;
+    sp<FakeWindowHandle> mSecondWindow;
+
+    void SetUp() override {
+        InputDispatcherTest::SetUp();
+        mApp = std::make_shared<FakeApplicationHandle>();
+        mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+        mWindow->setFocusable(true);
+        mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+        mSecondWindow->setFocusable(true);
+
+        mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+
+        setFocusedWindow(mWindow);
+        mWindow->consumeFocusEvent(true);
+    }
+
+    void notifyPointerCaptureChanged(bool enabled) {
+        const NotifyPointerCaptureChangedArgs args = generatePointerCaptureChangedArgs(enabled);
+        mDispatcher->notifyPointerCaptureChanged(&args);
+    }
+
+    void requestAndVerifyPointerCapture(const sp<FakeWindowHandle>& window, bool enabled) {
+        mDispatcher->requestPointerCapture(window->getToken(), enabled);
+        mFakePolicy->waitForSetPointerCapture(enabled);
+        notifyPointerCaptureChanged(enabled);
+        window->consumeCaptureEvent(enabled);
+    }
+};
+
+TEST_F(InputDispatcherPointerCaptureTests, EnablePointerCaptureWhenFocused) {
+    // Ensure that capture cannot be obtained for unfocused windows.
+    mDispatcher->requestPointerCapture(mSecondWindow->getToken(), true);
+    mFakePolicy->assertSetPointerCaptureNotCalled();
+    mSecondWindow->assertNoEvents();
+
+    // Ensure that capture can be enabled from the focus window.
+    requestAndVerifyPointerCapture(mWindow, true);
+
+    // Ensure that capture cannot be disabled from a window that does not have capture.
+    mDispatcher->requestPointerCapture(mSecondWindow->getToken(), false);
+    mFakePolicy->assertSetPointerCaptureNotCalled();
+
+    // Ensure that capture can be disabled from the window with capture.
+    requestAndVerifyPointerCapture(mWindow, false);
+}
+
+TEST_F(InputDispatcherPointerCaptureTests, DisablesPointerCaptureAfterWindowLosesFocus) {
+    requestAndVerifyPointerCapture(mWindow, true);
+
+    setFocusedWindow(mSecondWindow);
+
+    // Ensure that the capture disabled event was sent first.
+    mWindow->consumeCaptureEvent(false);
+    mWindow->consumeFocusEvent(false);
+    mSecondWindow->consumeFocusEvent(true);
+    mFakePolicy->waitForSetPointerCapture(false);
+
+    // Ensure that additional state changes from InputReader are not sent to the window.
+    notifyPointerCaptureChanged(false);
+    notifyPointerCaptureChanged(true);
+    notifyPointerCaptureChanged(false);
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+    mFakePolicy->assertSetPointerCaptureNotCalled();
+}
+
+TEST_F(InputDispatcherPointerCaptureTests, UnexpectedStateChangeDisablesPointerCapture) {
+    requestAndVerifyPointerCapture(mWindow, true);
+
+    // InputReader unexpectedly disables and enables pointer capture.
+    notifyPointerCaptureChanged(false);
+    notifyPointerCaptureChanged(true);
+
+    // Ensure that Pointer Capture is disabled.
+    mWindow->consumeCaptureEvent(false);
+    mWindow->assertNoEvents();
+}
+
 } // namespace android::inputdispatcher
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index bff1a04..c26a389 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -7737,8 +7737,8 @@
         configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
     }
 
-    void processPositionAndVerify(MultiTouchInputMapper& mapper, int32_t xInside, int32_t yInside,
-                                  int32_t xOutside, int32_t yOutside, int32_t xExpected,
+    void processPositionAndVerify(MultiTouchInputMapper& mapper, int32_t xOutside, int32_t yOutside,
+                                  int32_t xInside, int32_t yInside, int32_t xExpected,
                                   int32_t yExpected) {
         // touch on outside area should not work.
         processPosition(mapper, toRawX(xOutside), toRawY(yOutside));
@@ -7758,8 +7758,7 @@
     }
 };
 
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
     prepareDisplay(DISPLAY_ORIENTATION_0);
     prepareAxes(POSITION);
@@ -7785,8 +7784,7 @@
     processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
 }
 
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange_90) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_90) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
     prepareDisplay(DISPLAY_ORIENTATION_0);
     prepareAxes(POSITION);
@@ -7804,8 +7802,7 @@
     processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
 }
 
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange_270) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_270) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
     prepareDisplay(DISPLAY_ORIENTATION_0);
     prepareAxes(POSITION);
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9407c92..d5b599a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -819,7 +819,8 @@
             // to be applied as per normal (no synchronization).
             mCurrentState.barrierLayer_legacy = nullptr;
         } else {
-            auto syncPoint = std::make_shared<SyncPoint>(mCurrentState.barrierFrameNumber, this);
+            auto syncPoint = std::make_shared<SyncPoint>(mCurrentState.barrierFrameNumber, this,
+                                                         barrierLayer);
             if (barrierLayer->addSyncPoint(syncPoint)) {
                 std::stringstream ss;
                 ss << "Adding sync point " << mCurrentState.barrierFrameNumber;
@@ -844,7 +845,7 @@
     ATRACE_CALL();
 
     *stateToCommit = mPendingStates[0];
-    mPendingStates.removeAt(0);
+    mPendingStates.pop_front();
     ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
 }
 
@@ -883,6 +884,7 @@
                 mRemoteSyncPoints.pop_front();
             } else {
                 ATRACE_NAME("!frameIsAvailable");
+                mRemoteSyncPoints.front()->checkTimeoutAndLog();
                 break;
             }
         } else {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index ac0eb90..2cfdba3 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -36,6 +36,7 @@
 #include <utils/RefBase.h>
 #include <utils/Timers.h>
 
+#include <chrono>
 #include <cstdint>
 #include <list>
 #include <optional>
@@ -902,12 +903,13 @@
 protected:
     class SyncPoint {
     public:
-        explicit SyncPoint(uint64_t frameNumber, wp<Layer> requestedSyncLayer)
+        explicit SyncPoint(uint64_t frameNumber, wp<Layer> requestedSyncLayer,
+                           wp<Layer> barrierLayer_legacy)
               : mFrameNumber(frameNumber),
                 mFrameIsAvailable(false),
                 mTransactionIsApplied(false),
-                mRequestedSyncLayer(requestedSyncLayer) {}
-
+                mRequestedSyncLayer(requestedSyncLayer),
+                mBarrierLayer_legacy(barrierLayer_legacy) {}
         uint64_t getFrameNumber() const { return mFrameNumber; }
 
         bool frameIsAvailable() const { return mFrameIsAvailable; }
@@ -920,11 +922,42 @@
 
         sp<Layer> getRequestedSyncLayer() { return mRequestedSyncLayer.promote(); }
 
+        sp<Layer> getBarrierLayer() const { return mBarrierLayer_legacy.promote(); }
+
+        bool isTimeout() const {
+            using namespace std::chrono_literals;
+            static constexpr std::chrono::nanoseconds TIMEOUT_THRESHOLD = 1s;
+
+            return std::chrono::steady_clock::now() - mCreateTimeStamp > TIMEOUT_THRESHOLD;
+        }
+
+        void checkTimeoutAndLog() {
+            using namespace std::chrono_literals;
+            static constexpr std::chrono::nanoseconds LOG_PERIOD = 1s;
+
+            if (!frameIsAvailable() && isTimeout()) {
+                const auto now = std::chrono::steady_clock::now();
+                if (now - mLastLogTime > LOG_PERIOD) {
+                    mLastLogTime = now;
+                    sp<Layer> requestedSyncLayer = getRequestedSyncLayer();
+                    sp<Layer> barrierLayer = getBarrierLayer();
+                    ALOGW("[%s] sync point %" PRIu64 " wait timeout %lld for %s",
+                          requestedSyncLayer ? requestedSyncLayer->getDebugName() : "Removed",
+                          mFrameNumber, (now - mCreateTimeStamp).count(),
+                          barrierLayer ? barrierLayer->getDebugName() : "Removed");
+                }
+            }
+        }
+
     private:
         const uint64_t mFrameNumber;
         std::atomic<bool> mFrameIsAvailable;
         std::atomic<bool> mTransactionIsApplied;
         wp<Layer> mRequestedSyncLayer;
+        wp<Layer> mBarrierLayer_legacy;
+        const std::chrono::time_point<std::chrono::steady_clock> mCreateTimeStamp =
+                std::chrono::steady_clock::now();
+        std::chrono::time_point<std::chrono::steady_clock> mLastLogTime;
     };
 
     friend class impl::SurfaceInterceptor;
@@ -1011,12 +1044,12 @@
     State mDrawingState;
     // Store a copy of the pending state so that the drawing thread can access the
     // states without a lock.
-    Vector<State> mPendingStatesSnapshot;
+    std::deque<State> mPendingStatesSnapshot;
 
     // these are protected by an external lock (mStateLock)
     State mCurrentState;
     std::atomic<uint32_t> mTransactionFlags{0};
-    Vector<State> mPendingStates;
+    std::deque<State> mPendingStates;
 
     // Timestamp history for UIAutomation. Thread safe.
     FrameTracker mFrameTracker;