diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index e4f3e2d..abd84de 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -155,6 +155,7 @@
         host: {
             static_libs: [
                 "libandroidfw",
+                "libhostgraphics",
                 "libutils",
             ],
         },
@@ -501,6 +502,17 @@
     ],
     header_libs: ["android_graphics_jni_headers"],
     export_header_lib_headers: ["android_graphics_jni_headers"],
+    target: {
+        android: {
+            export_include_dirs: ["platform/android"],
+        },
+        host: {
+            export_include_dirs: ["platform/host"],
+        },
+        windows: {
+            enabled: true,
+        },
+    },
 }
 
 cc_defaults {
@@ -538,6 +550,7 @@
         "utils/Blur.cpp",
         "utils/Color.cpp",
         "utils/LinearAllocator.cpp",
+        "utils/StringUtils.cpp",
         "utils/TypefaceUtils.cpp",
         "utils/VectorDrawableUtils.cpp",
         "AnimationContext.cpp",
@@ -552,6 +565,7 @@
         "Mesh.cpp",
         "MemoryPolicy.cpp",
         "PathParser.cpp",
+        "ProfileData.cpp",
         "Properties.cpp",
         "PropertyValuesAnimatorSet.cpp",
         "PropertyValuesHolder.cpp",
@@ -569,12 +583,13 @@
         export_proto_headers: true,
     },
 
+    header_libs: ["libandroid_headers_private"],
+
     target: {
         android: {
-            header_libs: [
-                "libandroid_headers_private",
-                "libtonemap_headers",
-            ],
+            header_libs: ["libtonemap_headers"],
+
+            local_include_dirs: ["platform/android"],
 
             srcs: [
                 "hwui/AnimatedImageThread.cpp",
@@ -605,7 +620,6 @@
                 "thread/CommonPool.cpp",
                 "utils/GLUtils.cpp",
                 "utils/NdkUtils.cpp",
-                "utils/StringUtils.cpp",
                 "AutoBackendTextureRelease.cpp",
                 "DeferredLayerUpdater.cpp",
                 "DeviceInfo.cpp",
@@ -617,7 +631,6 @@
                 "FrameMetricsReporter.cpp",
                 "Layer.cpp",
                 "LayerUpdateQueue.cpp",
-                "ProfileData.cpp",
                 "ProfileDataContainer.cpp",
                 "Readback.cpp",
                 "TreeInfo.cpp",
@@ -628,6 +641,21 @@
             // Allow implicit fallthroughs in HardwareBitmapUploader.cpp until they are fixed.
             cflags: ["-Wno-implicit-fallthrough"],
         },
+        host: {
+            header_libs: ["libnativebase_headers"],
+
+            local_include_dirs: ["platform/host"],
+
+            srcs: [
+                "platform/host/renderthread/CacheManager.cpp",
+                "platform/host/renderthread/RenderThread.cpp",
+                "platform/host/ProfileDataContainer.cpp",
+                "platform/host/Readback.cpp",
+                "platform/host/WebViewFunctorManager.cpp",
+            ],
+
+            cflags: ["-Wno-unused-private-field"],
+        },
     },
 }
 
@@ -663,6 +691,7 @@
     header_libs: ["libandroid_headers_private"],
     target: {
         android: {
+            local_include_dirs: ["platform/android"],
             shared_libs: [
                 "libgui",
                 "libui",
diff --git a/libs/hwui/ProfileData.cpp b/libs/hwui/ProfileData.cpp
index 3d0ca0a..7be9541 100644
--- a/libs/hwui/ProfileData.cpp
+++ b/libs/hwui/ProfileData.cpp
@@ -110,6 +110,7 @@
 }
 
 void ProfileData::dump(int fd) const {
+#ifdef __ANDROID__
     dprintf(fd, "\nStats since: %" PRIu64 "ns", mStatStartTime);
     dprintf(fd, "\nTotal frames rendered: %u", mTotalFrameCount);
     dprintf(fd, "\nJanky frames: %u (%.2f%%)", mJankFrameCount,
@@ -138,6 +139,7 @@
         dprintf(fd, " %ums=%u", entry.renderTimeMs, entry.frameCount);
     });
     dprintf(fd, "\n");
+#endif
 }
 
 uint32_t ProfileData::findPercentile(int percentile) const {
diff --git a/libs/hwui/thread/ThreadBase.h b/libs/hwui/platform/android/thread/ThreadBase.h
similarity index 98%
rename from libs/hwui/thread/ThreadBase.h
rename to libs/hwui/platform/android/thread/ThreadBase.h
index 0289d3f..2f3581f 100644
--- a/libs/hwui/thread/ThreadBase.h
+++ b/libs/hwui/platform/android/thread/ThreadBase.h
@@ -17,14 +17,14 @@
 #ifndef HWUI_THREADBASE_H
 #define HWUI_THREADBASE_H
 
-#include "WorkQueue.h"
-#include "utils/Macros.h"
-
 #include <utils/Looper.h>
 #include <utils/Thread.h>
 
 #include <algorithm>
 
+#include "thread/WorkQueue.h"
+#include "utils/Macros.h"
+
 namespace android::uirenderer {
 
 class ThreadBase : public Thread {
diff --git a/libs/hwui/platform/host/ProfileDataContainer.cpp b/libs/hwui/platform/host/ProfileDataContainer.cpp
new file mode 100644
index 0000000..9ed1b02
--- /dev/null
+++ b/libs/hwui/platform/host/ProfileDataContainer.cpp
@@ -0,0 +1,40 @@
+/*
+ * 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 "ProfileDataContainer.h"
+
+#include <log/log.h>
+
+namespace android {
+namespace uirenderer {
+
+void ProfileDataContainer::freeData() REQUIRES(mJankDataMutex) {
+    delete mData;
+    mIsMapped = false;
+    mData = nullptr;
+}
+
+void ProfileDataContainer::rotateStorage() {
+    std::lock_guard lock(mJankDataMutex);
+    mData->reset();
+}
+
+void ProfileDataContainer::switchStorageToAshmem(int ashmemfd) {
+    ALOGE("Ashmem is not supported for non-Android configurations");
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/platform/host/Readback.cpp b/libs/hwui/platform/host/Readback.cpp
new file mode 100644
index 0000000..b024ec0
--- /dev/null
+++ b/libs/hwui/platform/host/Readback.cpp
@@ -0,0 +1,50 @@
+/*
+ * 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 "Readback.h"
+
+using namespace android::uirenderer::renderthread;
+
+namespace android {
+namespace uirenderer {
+
+void Readback::copySurfaceInto(ANativeWindow* window, const std::shared_ptr<CopyRequest>& request) {
+}
+
+CopyResult Readback::copyHWBitmapInto(Bitmap* hwBitmap, SkBitmap* bitmap) {
+    return CopyResult::UnknownError;
+}
+
+CopyResult Readback::copyLayerInto(DeferredLayerUpdater* deferredLayer, SkBitmap* bitmap) {
+    return CopyResult::UnknownError;
+}
+
+CopyResult Readback::copyImageInto(const sk_sp<SkImage>& image, SkBitmap* bitmap) {
+    return CopyResult::UnknownError;
+}
+
+CopyResult Readback::copyImageInto(const sk_sp<SkImage>& image, const Rect& srcRect,
+                                   SkBitmap* bitmap) {
+    return CopyResult::UnknownError;
+}
+
+bool Readback::copyLayerInto(Layer* layer, const SkRect* srcRect, const SkRect* dstRect,
+                             SkBitmap* bitmap) {
+    return false;
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/platform/host/WebViewFunctorManager.cpp b/libs/hwui/platform/host/WebViewFunctorManager.cpp
new file mode 100644
index 0000000..1d16655
--- /dev/null
+++ b/libs/hwui/platform/host/WebViewFunctorManager.cpp
@@ -0,0 +1,75 @@
+/*
+ * 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 "WebViewFunctorManager.h"
+
+namespace android::uirenderer {
+
+WebViewFunctor::WebViewFunctor(void* data, const WebViewFunctorCallbacks& callbacks,
+                               RenderMode functorMode)
+        : mData(data) {}
+
+WebViewFunctor::~WebViewFunctor() {}
+
+void WebViewFunctor::sync(const WebViewSyncData& syncData) const {}
+
+void WebViewFunctor::onRemovedFromTree() {}
+
+bool WebViewFunctor::prepareRootSurfaceControl() {
+    return true;
+}
+
+void WebViewFunctor::drawGl(const DrawGlInfo& drawInfo) {}
+
+void WebViewFunctor::initVk(const VkFunctorInitParams& params) {}
+
+void WebViewFunctor::drawVk(const VkFunctorDrawParams& params) {}
+
+void WebViewFunctor::postDrawVk() {}
+
+void WebViewFunctor::destroyContext() {}
+
+void WebViewFunctor::removeOverlays() {}
+
+ASurfaceControl* WebViewFunctor::getSurfaceControl() {
+    return mSurfaceControl;
+}
+
+void WebViewFunctor::mergeTransaction(ASurfaceTransaction* transaction) {}
+
+void WebViewFunctor::reparentSurfaceControl(ASurfaceControl* parent) {}
+
+WebViewFunctorManager& WebViewFunctorManager::instance() {
+    static WebViewFunctorManager sInstance;
+    return sInstance;
+}
+
+int WebViewFunctorManager::createFunctor(void* data, const WebViewFunctorCallbacks& callbacks,
+                                         RenderMode functorMode) {
+    return 0;
+}
+
+void WebViewFunctorManager::releaseFunctor(int functor) {}
+
+void WebViewFunctorManager::onContextDestroyed() {}
+
+void WebViewFunctorManager::destroyFunctor(int functor) {}
+
+sp<WebViewFunctor::Handle> WebViewFunctorManager::handleFor(int functor) {
+    return nullptr;
+}
+
+}  // namespace android::uirenderer
diff --git a/libs/hwui/platform/host/renderthread/CacheManager.cpp b/libs/hwui/platform/host/renderthread/CacheManager.cpp
new file mode 100644
index 0000000..b03f400
--- /dev/null
+++ b/libs/hwui/platform/host/renderthread/CacheManager.cpp
@@ -0,0 +1,64 @@
+/*
+ * 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 "renderthread/CacheManager.h"
+
+namespace android {
+namespace uirenderer {
+namespace renderthread {
+
+CacheManager::CacheManager(RenderThread& thread)
+        : mRenderThread(thread), mMemoryPolicy(loadMemoryPolicy()) {}
+
+void CacheManager::setupCacheLimits() {}
+
+void CacheManager::destroy() {}
+
+void CacheManager::trimMemory(TrimLevel mode) {}
+
+void CacheManager::trimCaches(CacheTrimLevel mode) {}
+
+void CacheManager::trimStaleResources() {}
+
+void CacheManager::getMemoryUsage(size_t* cpuUsage, size_t* gpuUsage) {}
+
+void CacheManager::dumpMemoryUsage(String8& log, const RenderState* renderState) {}
+
+void CacheManager::onFrameCompleted() {}
+
+void CacheManager::onThreadIdle() {}
+
+void CacheManager::scheduleDestroyContext() {}
+
+void CacheManager::cancelDestroyContext() {}
+
+bool CacheManager::areAllContextsStopped() {
+    return false;
+}
+
+void CacheManager::checkUiHidden() {}
+
+void CacheManager::registerCanvasContext(CanvasContext* context) {}
+
+void CacheManager::unregisterCanvasContext(CanvasContext* context) {}
+
+void CacheManager::onContextStopped(CanvasContext* context) {}
+
+void CacheManager::notifyNextFrameSize(int width, int height) {}
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/platform/host/renderthread/RenderThread.cpp b/libs/hwui/platform/host/renderthread/RenderThread.cpp
new file mode 100644
index 0000000..6f08b59
--- /dev/null
+++ b/libs/hwui/platform/host/renderthread/RenderThread.cpp
@@ -0,0 +1,141 @@
+/*
+ * 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 "renderthread/RenderThread.h"
+
+#include "Readback.h"
+#include "renderthread/VulkanManager.h"
+
+namespace android {
+namespace uirenderer {
+namespace renderthread {
+
+static bool gHasRenderThreadInstance = false;
+static JVMAttachHook gOnStartHook = nullptr;
+
+ASurfaceControlFunctions::ASurfaceControlFunctions() {}
+
+bool RenderThread::hasInstance() {
+    return gHasRenderThreadInstance;
+}
+
+void RenderThread::setOnStartHook(JVMAttachHook onStartHook) {
+    LOG_ALWAYS_FATAL_IF(hasInstance(), "can't set an onStartHook after we've started...");
+    gOnStartHook = onStartHook;
+}
+
+JVMAttachHook RenderThread::getOnStartHook() {
+    return gOnStartHook;
+}
+
+RenderThread& RenderThread::getInstance() {
+    [[clang::no_destroy]] static sp<RenderThread> sInstance = []() {
+        sp<RenderThread> thread = sp<RenderThread>::make();
+        thread->start("RenderThread");
+        return thread;
+    }();
+    gHasRenderThreadInstance = true;
+    return *sInstance;
+}
+
+RenderThread::RenderThread()
+        : ThreadBase()
+        , mVsyncSource(nullptr)
+        , mVsyncRequested(false)
+        , mFrameCallbackTaskPending(false)
+        , mRenderState(nullptr)
+        , mEglManager(nullptr)
+        , mFunctorManager(WebViewFunctorManager::instance())
+        , mGlobalProfileData(mJankDataMutex) {
+    Properties::load();
+}
+
+RenderThread::~RenderThread() {}
+
+void RenderThread::initThreadLocals() {
+    mCacheManager = new CacheManager(*this);
+}
+
+void RenderThread::requireGlContext() {}
+
+void RenderThread::requireVkContext() {}
+
+void RenderThread::initGrContextOptions(GrContextOptions& options) {}
+
+void RenderThread::destroyRenderingContext() {}
+
+VulkanManager& RenderThread::vulkanManager() {
+    return *mVkManager;
+}
+
+void RenderThread::dumpGraphicsMemory(int fd, bool includeProfileData) {}
+
+void RenderThread::getMemoryUsage(size_t* cpuUsage, size_t* gpuUsage) {}
+
+Readback& RenderThread::readback() {
+    if (!mReadback) {
+        mReadback = new Readback(*this);
+    }
+
+    return *mReadback;
+}
+
+void RenderThread::setGrContext(sk_sp<GrDirectContext> context) {}
+
+sk_sp<GrDirectContext> RenderThread::requireGrContext() {
+    return mGrContext;
+}
+
+bool RenderThread::threadLoop() {
+    if (gOnStartHook) {
+        gOnStartHook("RenderThread");
+    }
+    initThreadLocals();
+
+    while (true) {
+        waitForWork();
+        processQueue();
+        mCacheManager->onThreadIdle();
+    }
+
+    return false;
+}
+
+void RenderThread::postFrameCallback(IFrameCallback* callback) {}
+
+bool RenderThread::removeFrameCallback(IFrameCallback* callback) {
+    return false;
+}
+
+void RenderThread::pushBackFrameCallback(IFrameCallback* callback) {}
+
+sk_sp<Bitmap> RenderThread::allocateHardwareBitmap(SkBitmap& skBitmap) {
+    return nullptr;
+}
+
+bool RenderThread::isCurrent() {
+    return true;
+}
+
+void RenderThread::preload() {}
+
+void RenderThread::trimMemory(TrimLevel level) {}
+
+void RenderThread::trimCaches(CacheTrimLevel level) {}
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/thread/ThreadBase.h b/libs/hwui/platform/host/thread/ThreadBase.h
similarity index 65%
copy from libs/hwui/thread/ThreadBase.h
copy to libs/hwui/platform/host/thread/ThreadBase.h
index 0289d3f..d709430 100644
--- a/libs/hwui/thread/ThreadBase.h
+++ b/libs/hwui/platform/host/thread/ThreadBase.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * 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.
@@ -17,31 +17,24 @@
 #ifndef HWUI_THREADBASE_H
 #define HWUI_THREADBASE_H
 
-#include "WorkQueue.h"
-#include "utils/Macros.h"
-
-#include <utils/Looper.h>
 #include <utils/Thread.h>
 
 #include <algorithm>
 
+#include "thread/WorkQueue.h"
+#include "utils/Macros.h"
+
 namespace android::uirenderer {
 
 class ThreadBase : public Thread {
     PREVENT_COPY_AND_ASSIGN(ThreadBase);
 
 public:
-    ThreadBase()
-            : Thread(false)
-            , mLooper(new Looper(false))
-            , mQueue([this]() { mLooper->wake(); }, mLock) {}
+    ThreadBase() : Thread(false), mQueue([this]() { mCondition.notify_all(); }, mLock) {}
 
     WorkQueue& queue() { return mQueue; }
 
-    void requestExit() {
-        Thread::requestExit();
-        mLooper->wake();
-    }
+    void requestExit() { Thread::requestExit(); }
 
     void start(const char* name = "ThreadBase") { Thread::run(name); }
 
@@ -51,37 +44,31 @@
 
 protected:
     void waitForWork() {
-        nsecs_t nextWakeup;
-        {
-            std::unique_lock lock{mLock};
-            nextWakeup = mQueue.nextWakeup(lock);
-        }
-        int timeout = -1;
+        std::unique_lock lock{mLock};
+        nsecs_t nextWakeup = mQueue.nextWakeup(lock);
+        std::chrono::nanoseconds duration = std::chrono::nanoseconds::max();
         if (nextWakeup < std::numeric_limits<nsecs_t>::max()) {
-            timeout = ns2ms(nextWakeup - WorkQueue::clock::now());
+            int timeout = nextWakeup - WorkQueue::clock::now();
             if (timeout < 0) timeout = 0;
+            duration = std::chrono::nanoseconds(timeout);
         }
-        int result = mLooper->pollOnce(timeout);
-        LOG_ALWAYS_FATAL_IF(result == Looper::POLL_ERROR, "RenderThread Looper POLL_ERROR!");
+        mCondition.wait_for(lock, duration);
     }
 
     void processQueue() { mQueue.process(); }
 
     virtual bool threadLoop() override {
-        Looper::setForThread(mLooper);
         while (!exitPending()) {
             waitForWork();
             processQueue();
         }
-        Looper::setForThread(nullptr);
         return false;
     }
 
-    sp<Looper> mLooper;
-
 private:
     WorkQueue mQueue;
     std::mutex mLock;
+    std::condition_variable mCondition;
 };
 
 }  // namespace android::uirenderer
diff --git a/libs/hwui/private/hwui/WebViewFunctor.h b/libs/hwui/private/hwui/WebViewFunctor.h
index 22ae59e..493c943 100644
--- a/libs/hwui/private/hwui/WebViewFunctor.h
+++ b/libs/hwui/private/hwui/WebViewFunctor.h
@@ -17,15 +17,7 @@
 #ifndef FRAMEWORKS_BASE_WEBVIEWFUNCTOR_H
 #define FRAMEWORKS_BASE_WEBVIEWFUNCTOR_H
 
-#ifdef __ANDROID__  // Layoutlib does not support surface control
 #include <android/surface_control.h>
-#else
-// To avoid ifdefs around overlay implementation all over the place we typedef these to void *. They
-// won't be used.
-typedef void* ASurfaceControl;
-typedef void* ASurfaceTransaction;
-#endif
-
 #include <cutils/compiler.h>
 #include <private/hwui/DrawGlInfo.h>
 #include <private/hwui/DrawVkInfo.h>
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 623ee4e..a024aeb 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -17,11 +17,12 @@
 #include "RenderThread.h"
 
 #include <GrContextOptions.h>
-#include <include/gpu/ganesh/gl/GrGLDirectContext.h>
 #include <android-base/properties.h>
 #include <dlfcn.h>
 #include <gl/GrGLInterface.h>
 #include <gui/TraceUtils.h>
+#include <include/gpu/ganesh/gl/GrGLDirectContext.h>
+#include <private/android/choreographer.h>
 #include <sys/resource.h>
 #include <ui/FatVector.h>
 #include <utils/Condition.h>
diff --git a/libs/hwui/renderthread/RenderThread.h b/libs/hwui/renderthread/RenderThread.h
index 79e57de..045d26f 100644
--- a/libs/hwui/renderthread/RenderThread.h
+++ b/libs/hwui/renderthread/RenderThread.h
@@ -20,10 +20,7 @@
 #include <GrDirectContext.h>
 #include <SkBitmap.h>
 #include <cutils/compiler.h>
-#include <private/android/choreographer.h>
 #include <surface_control_private.h>
-#include <thread/ThreadBase.h>
-#include <utils/Looper.h>
 #include <utils/Thread.h>
 
 #include <memory>