diff --git a/libs/hostgraphics/ANativeWindow.cpp b/libs/hostgraphics/ANativeWindow.cpp
new file mode 100644
index 0000000..fcfaf02
--- /dev/null
+++ b/libs/hostgraphics/ANativeWindow.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <system/window.h>
+
+static int32_t query(ANativeWindow* window, int what) {
+    int value;
+    int res = window->query(window, what, &value);
+    return res < 0 ? res : value;
+}
+
+static int64_t query64(ANativeWindow* window, int what) {
+    int64_t value;
+    int res = window->perform(window, what, &value);
+    return res < 0 ? res : value;
+}
+
+int ANativeWindow_setCancelBufferInterceptor(ANativeWindow* window,
+                                             ANativeWindow_cancelBufferInterceptor interceptor,
+                                             void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_CANCEL_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setDequeueBufferInterceptor(ANativeWindow* window,
+                                              ANativeWindow_dequeueBufferInterceptor interceptor,
+                                              void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setQueueBufferInterceptor(ANativeWindow* window,
+                                            ANativeWindow_queueBufferInterceptor interceptor,
+                                            void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_QUEUE_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_setPerformInterceptor(ANativeWindow* window,
+                                        ANativeWindow_performInterceptor interceptor, void* data) {
+    return window->perform(window, NATIVE_WINDOW_SET_PERFORM_INTERCEPTOR, interceptor, data);
+}
+
+int ANativeWindow_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer, int* fenceFd) {
+    return window->dequeueBuffer(window, buffer, fenceFd);
+}
+
+int ANativeWindow_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) {
+    return window->cancelBuffer(window, buffer, fenceFd);
+}
+
+int ANativeWindow_setDequeueTimeout(ANativeWindow* window, int64_t timeout) {
+    return window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT, timeout);
+}
+
+// extern "C", so that it can be used outside libhostgraphics (in host hwui/.../CanvasContext.cpp)
+extern "C" void ANativeWindow_tryAllocateBuffers(ANativeWindow* window) {
+    if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) {
+        return;
+    }
+    window->perform(window, NATIVE_WINDOW_ALLOCATE_BUFFERS);
+}
+
+int64_t ANativeWindow_getLastDequeueStartTime(ANativeWindow* window) {
+    return query64(window, NATIVE_WINDOW_GET_LAST_DEQUEUE_START);
+}
+
+int64_t ANativeWindow_getLastDequeueDuration(ANativeWindow* window) {
+    return query64(window, NATIVE_WINDOW_GET_LAST_DEQUEUE_DURATION);
+}
+
+int64_t ANativeWindow_getLastQueueDuration(ANativeWindow* window) {
+    return query64(window, NATIVE_WINDOW_GET_LAST_QUEUE_DURATION);
+}
+
+int32_t ANativeWindow_getWidth(ANativeWindow* window) {
+    return query(window, NATIVE_WINDOW_WIDTH);
+}
+
+int32_t ANativeWindow_getHeight(ANativeWindow* window) {
+    return query(window, NATIVE_WINDOW_HEIGHT);
+}
+
+int32_t ANativeWindow_getFormat(ANativeWindow* window) {
+    return query(window, NATIVE_WINDOW_FORMAT);
+}
+
+void ANativeWindow_acquire(ANativeWindow* window) {
+    // incStrong/decStrong token must be the same, doesn't matter what it is
+    window->incStrong((void*)ANativeWindow_acquire);
+}
+
+void ANativeWindow_release(ANativeWindow* window) {
+    // incStrong/decStrong token must be the same, doesn't matter what it is
+    window->decStrong((void*)ANativeWindow_acquire);
+}
diff --git a/libs/hostgraphics/Android.bp b/libs/hostgraphics/Android.bp
index 4407af6..bc2e063 100644
--- a/libs/hostgraphics/Android.bp
+++ b/libs/hostgraphics/Android.bp
@@ -23,6 +23,7 @@
     srcs: [
         ":libui_host_common",
         "ADisplay.cpp",
+        "ANativeWindow.cpp",
         "Fence.cpp",
         "HostBufferQueue.cpp",
         "PublicFormat.cpp",
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 4706699..ac38b6d 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -96,6 +96,7 @@
             ],
             cflags: [
                 "-Wno-unused-variable",
+                "-D__INTRODUCED_IN(n)=",
             ],
         },
     },
@@ -539,6 +540,7 @@
         "pipeline/skia/ReorderBarrierDrawables.cpp",
         "pipeline/skia/TransformCanvas.cpp",
         "renderstate/RenderState.cpp",
+        "renderthread/CanvasContext.cpp",
         "renderthread/Frame.cpp",
         "renderthread/RenderTask.cpp",
         "renderthread/TimeLord.cpp",
@@ -589,6 +591,7 @@
         "SkiaCanvas.cpp",
         "SkiaInterpolator.cpp",
         "Tonemapper.cpp",
+        "TreeInfo.cpp",
         "VectorDrawable.cpp",
     ],
 
@@ -617,7 +620,6 @@
                 "pipeline/skia/VkFunctorDrawable.cpp",
                 "pipeline/skia/VkInteropFunctorDrawable.cpp",
                 "renderthread/CacheManager.cpp",
-                "renderthread/CanvasContext.cpp",
                 "renderthread/DrawFrameTask.cpp",
                 "renderthread/EglManager.cpp",
                 "renderthread/ReliableSurface.cpp",
@@ -636,7 +638,6 @@
                 "Layer.cpp",
                 "ProfileDataContainer.cpp",
                 "Readback.cpp",
-                "TreeInfo.cpp",
                 "WebViewFunctorManager.cpp",
                 "protos/graphicsstats.proto",
             ],
@@ -654,6 +655,8 @@
 
             srcs: [
                 "platform/host/renderthread/CacheManager.cpp",
+                "platform/host/renderthread/HintSessionWrapper.cpp",
+                "platform/host/renderthread/ReliableSurface.cpp",
                 "platform/host/renderthread/RenderThread.cpp",
                 "platform/host/ProfileDataContainer.cpp",
                 "platform/host/Readback.cpp",
diff --git a/libs/hwui/apex/LayoutlibLoader.cpp b/libs/hwui/apex/LayoutlibLoader.cpp
index 770822a..fd9915a 100644
--- a/libs/hwui/apex/LayoutlibLoader.cpp
+++ b/libs/hwui/apex/LayoutlibLoader.cpp
@@ -164,8 +164,10 @@
 } // namespace android
 
 using namespace android;
+using namespace android::uirenderer;
 
 void init_android_graphics() {
+    Properties::overrideRenderPipelineType(RenderPipelineType::SkiaCpu);
     SkGraphics::Init();
 }
 
diff --git a/libs/hwui/platform/host/WebViewFunctorManager.cpp b/libs/hwui/platform/host/WebViewFunctorManager.cpp
index 1d16655..ed50190 100644
--- a/libs/hwui/platform/host/WebViewFunctorManager.cpp
+++ b/libs/hwui/platform/host/WebViewFunctorManager.cpp
@@ -50,6 +50,8 @@
 
 void WebViewFunctor::mergeTransaction(ASurfaceTransaction* transaction) {}
 
+void WebViewFunctor::reportRenderingThreads(const int32_t* thread_ids, size_t size) {}
+
 void WebViewFunctor::reparentSurfaceControl(ASurfaceControl* parent) {}
 
 WebViewFunctorManager& WebViewFunctorManager::instance() {
@@ -68,6 +70,13 @@
 
 void WebViewFunctorManager::destroyFunctor(int functor) {}
 
+void WebViewFunctorManager::reportRenderingThreads(int functor, const int32_t* thread_ids,
+                                                   size_t size) {}
+
+std::vector<int32_t> WebViewFunctorManager::getRenderingThreadsForActiveFunctors() {
+    return std::vector<int32_t>();
+}
+
 sp<WebViewFunctor::Handle> WebViewFunctorManager::handleFor(int functor) {
     return nullptr;
 }
diff --git a/libs/hwui/platform/host/renderthread/HintSessionWrapper.cpp b/libs/hwui/platform/host/renderthread/HintSessionWrapper.cpp
new file mode 100644
index 0000000..b1b1d58
--- /dev/null
+++ b/libs/hwui/platform/host/renderthread/HintSessionWrapper.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "renderthread/HintSessionWrapper.h"
+
+namespace android {
+namespace uirenderer {
+namespace renderthread {
+
+void HintSessionWrapper::HintSessionBinding::init() {}
+
+HintSessionWrapper::HintSessionWrapper(pid_t uiThreadId, pid_t renderThreadId)
+        : mUiThreadId(uiThreadId)
+        , mRenderThreadId(renderThreadId)
+        , mBinding(std::make_shared<HintSessionBinding>()) {}
+
+HintSessionWrapper::~HintSessionWrapper() {}
+
+void HintSessionWrapper::destroy() {}
+
+bool HintSessionWrapper::init() {
+    return false;
+}
+
+void HintSessionWrapper::updateTargetWorkDuration(long targetWorkDurationNanos) {}
+
+void HintSessionWrapper::reportActualWorkDuration(long actualDurationNanos) {}
+
+void HintSessionWrapper::sendLoadResetHint() {}
+
+void HintSessionWrapper::sendLoadIncreaseHint() {}
+
+bool HintSessionWrapper::alive() {
+    return false;
+}
+
+nsecs_t HintSessionWrapper::getLastUpdate() {
+    return -1;
+}
+
+void HintSessionWrapper::delayedDestroy(RenderThread& rt, nsecs_t delay,
+                                        std::shared_ptr<HintSessionWrapper> wrapperPtr) {}
+
+void HintSessionWrapper::setActiveFunctorThreads(std::vector<pid_t> threadIds) {}
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/platform/host/renderthread/ReliableSurface.cpp b/libs/hwui/platform/host/renderthread/ReliableSurface.cpp
new file mode 100644
index 0000000..2deaaf3
--- /dev/null
+++ b/libs/hwui/platform/host/renderthread/ReliableSurface.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "renderthread/ReliableSurface.h"
+
+#include <log/log_main.h>
+#include <system/window.h>
+
+namespace android::uirenderer::renderthread {
+
+ReliableSurface::ReliableSurface(ANativeWindow* window) : mWindow(window) {
+    LOG_ALWAYS_FATAL_IF(!mWindow, "Error, unable to wrap a nullptr");
+    ANativeWindow_acquire(mWindow);
+}
+
+ReliableSurface::~ReliableSurface() {
+    ANativeWindow_release(mWindow);
+}
+
+void ReliableSurface::init() {}
+
+int ReliableSurface::reserveNext() {
+    return OK;
+}
+
+};  // namespace android::uirenderer::renderthread
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 22de2f2..b06ad6f 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -35,6 +35,7 @@
 #include "Properties.h"
 #include "RenderThread.h"
 #include "hwui/Canvas.h"
+#include "pipeline/skia/SkiaCpuPipeline.h"
 #include "pipeline/skia/SkiaGpuPipeline.h"
 #include "pipeline/skia/SkiaOpenGLPipeline.h"
 #include "pipeline/skia/SkiaVulkanPipeline.h"
@@ -84,6 +85,12 @@
             return new CanvasContext(thread, translucent, rootRenderNode, contextFactory,
                                      std::make_unique<skiapipeline::SkiaVulkanPipeline>(thread),
                                      uiThreadId, renderThreadId);
+#ifndef __ANDROID__
+        case RenderPipelineType::SkiaCpu:
+            return new CanvasContext(thread, translucent, rootRenderNode, contextFactory,
+                                     std::make_unique<skiapipeline::SkiaCpuPipeline>(thread),
+                                     uiThreadId, renderThreadId);
+#endif
         default:
             LOG_ALWAYS_FATAL("canvas context type %d not supported", (int32_t)renderType);
             break;
@@ -182,6 +189,7 @@
 }
 
 void CanvasContext::setHardwareBuffer(AHardwareBuffer* buffer) {
+#ifdef __ANDROID__
     if (mHardwareBuffer) {
         AHardwareBuffer_release(mHardwareBuffer);
         mHardwareBuffer = nullptr;
@@ -192,6 +200,7 @@
         mHardwareBuffer = buffer;
     }
     mRenderPipeline->setHardwareBuffer(mHardwareBuffer);
+#endif
 }
 
 void CanvasContext::setSurface(ANativeWindow* window, bool enableTimeout) {
@@ -561,6 +570,7 @@
 }
 
 void CanvasContext::draw(bool solelyTextureViewUpdates) {
+#ifdef __ANDROID__
     if (auto grContext = getGrContext()) {
         if (grContext->abandoned()) {
             if (grContext->isDeviceLost()) {
@@ -571,6 +581,7 @@
             return;
         }
     }
+#endif
     SkRect dirty;
     mDamageAccumulator.finish(&dirty);
 
@@ -594,11 +605,13 @@
     if (skippedFrameReason) {
         mCurrentFrameInfo->setSkippedFrameReason(*skippedFrameReason);
 
+#ifdef __ANDROID__
         if (auto grContext = getGrContext()) {
             // Submit to ensure that any texture uploads complete and Skia can
             // free its staging buffers.
             grContext->flushAndSubmit();
         }
+#endif
 
         // Notify the callbacks, even if there's nothing to draw so they aren't waiting
         // indefinitely
diff --git a/libs/hwui/renderthread/ReliableSurface.h b/libs/hwui/renderthread/ReliableSurface.h
index 5959647..d6a4d50 100644
--- a/libs/hwui/renderthread/ReliableSurface.h
+++ b/libs/hwui/renderthread/ReliableSurface.h
@@ -21,7 +21,9 @@
 #include <apex/window.h>
 #include <utils/Errors.h>
 #include <utils/Macros.h>
+#ifdef __ANDROID__
 #include <utils/NdkUtils.h>
+#endif
 #include <utils/StrongPointer.h>
 
 #include <memory>
@@ -62,9 +64,11 @@
     mutable std::mutex mMutex;
 
     uint64_t mUsage = AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER;
+#ifdef __ANDROID__
     AHardwareBuffer_Format mFormat = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
     UniqueAHardwareBuffer mScratchBuffer;
     ANativeWindowBuffer* mReservedBuffer = nullptr;
+#endif
     base::unique_fd mReservedFenceFd;
     bool mHasDequeuedBuffer = false;
     int mBufferQueueState = OK;