diff --git a/libs/vr/libbufferhub/Android.bp b/libs/vr/libbufferhub/Android.bp
index 39814cc..b38ecc7 100644
--- a/libs/vr/libbufferhub/Android.bp
+++ b/libs/vr/libbufferhub/Android.bp
@@ -15,6 +15,7 @@
 sourceFiles = [
     "buffer_hub_client.cpp",
     "buffer_hub_rpc.cpp",
+    "detached_buffer.cpp",
     "ion_buffer.cpp",
 ]
 
@@ -59,6 +60,11 @@
     vndk: {
         enabled: true,
     },
+    target: {
+        vendor: {
+            exclude_srcs: ["detached_buffer.cpp"],
+        },
+    },
 }
 
 cc_test {
diff --git a/libs/vr/libbufferhub/buffer_hub-test.cpp b/libs/vr/libbufferhub/buffer_hub-test.cpp
index 660a200..2302828 100644
--- a/libs/vr/libbufferhub/buffer_hub-test.cpp
+++ b/libs/vr/libbufferhub/buffer_hub-test.cpp
@@ -2,8 +2,10 @@
 #include <poll.h>
 #include <private/dvr/buffer_hub_client.h>
 #include <private/dvr/bufferhub_rpc.h>
+#include <private/dvr/detached_buffer.h>
 #include <sys/epoll.h>
 #include <sys/eventfd.h>
+#include <ui/DetachedBufferHandle.h>
 
 #include <mutex>
 #include <thread>
@@ -17,22 +19,28 @@
     return result;                            \
   })()
 
+using android::sp;
+using android::GraphicBuffer;
 using android::dvr::BufferConsumer;
 using android::dvr::BufferHubDefs::kConsumerStateMask;
+using android::dvr::BufferHubDefs::kMetadataHeaderSize;
 using android::dvr::BufferHubDefs::kProducerStateBit;
 using android::dvr::BufferHubDefs::IsBufferGained;
 using android::dvr::BufferHubDefs::IsBufferPosted;
 using android::dvr::BufferHubDefs::IsBufferAcquired;
 using android::dvr::BufferHubDefs::IsBufferReleased;
 using android::dvr::BufferProducer;
+using android::dvr::DetachedBuffer;
 using android::pdx::LocalChannelHandle;
 using android::pdx::LocalHandle;
 using android::pdx::Status;
 
 const int kWidth = 640;
 const int kHeight = 480;
+const int kLayerCount = 1;
 const int kFormat = HAL_PIXEL_FORMAT_RGBA_8888;
 const int kUsage = 0;
+const size_t kUserMetadataSize = 0;
 const uint64_t kContext = 42;
 const size_t kMaxConsumerCount = 63;
 const int kPollTimeoutMs = 100;
@@ -730,6 +738,7 @@
 
   DvrNativeBufferMetadata metadata;
   LocalHandle invalid_fence;
+  int p_id = p->id();
 
   // Detach in posted state should fail.
   EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence));
@@ -753,8 +762,8 @@
   s1 = p->Detach();
   EXPECT_TRUE(s1);
 
-  LocalChannelHandle detached_buffer = s1.take();
-  EXPECT_TRUE(detached_buffer.valid());
+  LocalChannelHandle handle = s1.take();
+  EXPECT_TRUE(handle.valid());
 
   // Both producer and consumer should have hangup.
   EXPECT_GT(RETRY_EINTR(p->Poll(kPollTimeoutMs)), 0);
@@ -779,4 +788,80 @@
   // ConsumerChannel::HandleMessage as the socket is still open but the producer
   // is gone.
   EXPECT_EQ(s3.error(), EPIPE);
+
+  // Detached buffer handle can be use to construct a new DetachedBuffer object.
+  auto d = DetachedBuffer::Import(std::move(handle));
+  EXPECT_FALSE(handle.valid());
+  EXPECT_TRUE(d->IsValid());
+
+  ASSERT_TRUE(d->buffer() != nullptr);
+  EXPECT_EQ(d->buffer()->initCheck(), 0);
+  EXPECT_EQ(d->id(), p_id);
+}
+
+TEST_F(LibBufferHubTest, TestCreateDetachedBufferFails) {
+  // Buffer Creation will fail: BLOB format requires height to be 1.
+  auto b1 = DetachedBuffer::Create(kWidth, /*height=2*/2, kLayerCount,
+                                   /*format=*/HAL_PIXEL_FORMAT_BLOB, kUsage,
+                                   kUserMetadataSize);
+
+  EXPECT_FALSE(b1->IsValid());
+  EXPECT_TRUE(b1->buffer() == nullptr);
+
+  // Buffer Creation will fail: user metadata size too large.
+  auto b2 = DetachedBuffer::Create(
+      kWidth, kHeight, kLayerCount, kFormat, kUsage,
+      /*user_metadata_size=*/std::numeric_limits<size_t>::max());
+
+  EXPECT_FALSE(b2->IsValid());
+  EXPECT_TRUE(b2->buffer() == nullptr);
+
+  // Buffer Creation will fail: user metadata size too large.
+  auto b3 = DetachedBuffer::Create(
+      kWidth, kHeight, kLayerCount, kFormat, kUsage,
+      /*user_metadata_size=*/std::numeric_limits<size_t>::max() -
+          kMetadataHeaderSize);
+
+  EXPECT_FALSE(b3->IsValid());
+  EXPECT_TRUE(b3->buffer() == nullptr);
+}
+
+TEST_F(LibBufferHubTest, TestCreateDetachedBuffer) {
+  auto b1 = DetachedBuffer::Create(kWidth, kHeight, kLayerCount, kFormat,
+                                   kUsage, kUserMetadataSize);
+  int b1_id = b1->id();
+
+  EXPECT_TRUE(b1->IsValid());
+  ASSERT_TRUE(b1->buffer() != nullptr);
+  EXPECT_NE(b1->id(), 0);
+  EXPECT_EQ(b1->buffer()->initCheck(), 0);
+  EXPECT_FALSE(b1->buffer()->isDetachedBuffer());
+
+  // Takes a standalone GraphicBuffer which still holds on an
+  // PDX::LocalChannelHandle towards BufferHub.
+  sp<GraphicBuffer> g1 = b1->TakeGraphicBuffer();
+  ASSERT_TRUE(g1 != nullptr);
+  EXPECT_TRUE(g1->isDetachedBuffer());
+
+  EXPECT_FALSE(b1->IsValid());
+  EXPECT_TRUE(b1->buffer() == nullptr);
+
+  sp<GraphicBuffer> g2 = b1->TakeGraphicBuffer();
+  ASSERT_TRUE(g2 == nullptr);
+
+  auto h1 = g1->takeDetachedBufferHandle();
+  ASSERT_TRUE(h1 != nullptr);
+  ASSERT_TRUE(h1->isValid());
+  EXPECT_FALSE(g1->isDetachedBuffer());
+
+  auto b2 = DetachedBuffer::Import(std::move(h1->handle()));
+  ASSERT_FALSE(h1->isValid());
+  EXPECT_TRUE(b2->IsValid());
+
+  ASSERT_TRUE(b2->buffer() != nullptr);
+  EXPECT_EQ(b2->buffer()->initCheck(), 0);
+
+  // The newly created DetachedBuffer should share the original buffer_id.
+  EXPECT_EQ(b2->id(), b1_id);
+  EXPECT_FALSE(b2->buffer()->isDetachedBuffer());
 }
diff --git a/libs/vr/libbufferhub/buffer_hub_client.cpp b/libs/vr/libbufferhub/buffer_hub_client.cpp
index 13971eb..159f2bd 100644
--- a/libs/vr/libbufferhub/buffer_hub_client.cpp
+++ b/libs/vr/libbufferhub/buffer_hub_client.cpp
@@ -15,10 +15,30 @@
 using android::pdx::LocalChannelHandle;
 using android::pdx::LocalHandle;
 using android::pdx::Status;
+using android::pdx::default_transport::ClientChannel;
+using android::pdx::default_transport::ClientChannelFactory;
 
 namespace android {
 namespace dvr {
 
+BufferHubClient::BufferHubClient()
+    : Client(ClientChannelFactory::Create(BufferHubRPC::kClientPath)) {}
+
+BufferHubClient::BufferHubClient(LocalChannelHandle channel_handle)
+    : Client(ClientChannel::Create(std::move(channel_handle))) {}
+
+bool BufferHubClient::IsValid() const {
+  return IsConnected() && GetChannelHandle().valid();
+}
+
+LocalChannelHandle BufferHubClient::TakeChannelHandle() {
+  if (IsConnected()) {
+    return std::move(GetChannelHandle());
+  } else {
+    return {};
+  }
+}
+
 BufferHubBuffer::BufferHubBuffer(LocalChannelHandle channel_handle)
     : Client{pdx::default_transport::ClientChannel::Create(
           std::move(channel_handle))},
diff --git a/libs/vr/libbufferhub/detached_buffer.cpp b/libs/vr/libbufferhub/detached_buffer.cpp
new file mode 100644
index 0000000..1d59cf3
--- /dev/null
+++ b/libs/vr/libbufferhub/detached_buffer.cpp
@@ -0,0 +1,104 @@
+#include <private/dvr/detached_buffer.h>
+
+#include <pdx/file_handle.h>
+#include <ui/DetachedBufferHandle.h>
+
+using android::pdx::LocalHandle;
+
+namespace android {
+namespace dvr {
+
+DetachedBuffer::DetachedBuffer(uint32_t width, uint32_t height,
+                               uint32_t layer_count, uint32_t format,
+                               uint64_t usage, size_t user_metadata_size) {
+  ATRACE_NAME("DetachedBuffer::DetachedBuffer");
+  ALOGD_IF(TRACE,
+           "DetachedBuffer::DetachedBuffer: width=%u height=%u layer_count=%u, "
+           "format=%u usage=%" PRIx64 " user_metadata_size=%zu",
+           width, height, layer_count, format, usage, user_metadata_size);
+
+  auto status = client_.InvokeRemoteMethod<DetachedBufferRPC::Create>(
+      width, height, layer_count, format, usage, user_metadata_size);
+  if (!status) {
+    ALOGE(
+        "DetachedBuffer::DetachedBuffer: Failed to create detached buffer: %s",
+        status.GetErrorMessage().c_str());
+    client_.Close(-status.error());
+  }
+
+  const int ret = ImportGraphicBuffer();
+  if (ret < 0) {
+    ALOGE("DetachedBuffer::DetachedBuffer: Failed to import buffer: %s",
+          strerror(-ret));
+    client_.Close(ret);
+  }
+}
+
+DetachedBuffer::DetachedBuffer(LocalChannelHandle channel_handle)
+    : client_(std::move(channel_handle)) {
+  const int ret = ImportGraphicBuffer();
+  if (ret < 0) {
+    ALOGE("DetachedBuffer::DetachedBuffer: Failed to import buffer: %s",
+          strerror(-ret));
+    client_.Close(ret);
+  }
+}
+
+int DetachedBuffer::ImportGraphicBuffer() {
+  ATRACE_NAME("DetachedBuffer::DetachedBuffer");
+
+  auto status = client_.InvokeRemoteMethod<DetachedBufferRPC::Import>();
+  if (!status) {
+    ALOGE("DetachedBuffer::DetachedBuffer: Failed to import GraphicBuffer: %s",
+          status.GetErrorMessage().c_str());
+    return -status.error();
+  }
+
+  BufferDescription<LocalHandle> buffer_desc = status.take();
+  if (buffer_desc.id() < 0) {
+    ALOGE("DetachedBuffer::DetachedBuffer: Received an invalid id!");
+    return -EIO;
+  }
+
+  // Stash the buffer id to replace the value in id_.
+  const int buffer_id = buffer_desc.id();
+
+  // Import the buffer.
+  IonBuffer ion_buffer;
+  ALOGD_IF(TRACE, "DetachedBuffer::DetachedBuffer: id=%d.", buffer_id);
+
+  if (const int ret = buffer_desc.ImportBuffer(&ion_buffer)) {
+    ALOGE("Failed to import GraphicBuffer, error=%d", ret);
+    return ret;
+  }
+
+  // If all imports succeed, replace the previous buffer and id.
+  id_ = buffer_id;
+  buffer_ = std::move(ion_buffer);
+  return 0;
+}
+
+std::unique_ptr<BufferProducer> DetachedBuffer::Promote() {
+  ALOGE("DetachedBuffer::Promote: Not implemented.");
+  return nullptr;
+}
+
+sp<GraphicBuffer> DetachedBuffer::TakeGraphicBuffer() {
+  if (!client_.IsValid() || !buffer_.buffer()) {
+    ALOGE("DetachedBuffer::TakeGraphicBuffer: Invalid buffer.");
+    return nullptr;
+  }
+
+  // Technically this should never happen.
+  LOG_FATAL_IF(
+      buffer_.buffer()->isDetachedBuffer(),
+      "DetachedBuffer::TakeGraphicBuffer: GraphicBuffer is already detached.");
+
+  sp<GraphicBuffer> buffer = std::move(buffer_.buffer());
+  buffer->setDetachedBufferHandle(
+      DetachedBufferHandle::Create(client_.TakeChannelHandle()));
+  return buffer;
+}
+
+}  // namespace dvr
+}  // namespace android
diff --git a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_client.h b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_client.h
index 32448a1..c1cc7f3 100644
--- a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_client.h
+++ b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_client.h
@@ -16,6 +16,21 @@
 namespace android {
 namespace dvr {
 
+class BufferHubClient : public pdx::Client {
+ public:
+  using LocalChannelHandle = pdx::LocalChannelHandle;
+
+  BufferHubClient();
+  explicit BufferHubClient(LocalChannelHandle channel_handle);
+
+  bool IsValid() const;
+  LocalChannelHandle TakeChannelHandle();
+
+  using pdx::Client::Close;
+  using pdx::Client::InvokeRemoteMethod;
+  using pdx::Client::IsConnected;
+};
+
 class BufferHubBuffer : public pdx::Client {
  public:
   using LocalHandle = pdx::LocalHandle;
diff --git a/libs/vr/libbufferhub/include/private/dvr/bufferhub_rpc.h b/libs/vr/libbufferhub/include/private/dvr/bufferhub_rpc.h
index fabefd5..f4918c4 100644
--- a/libs/vr/libbufferhub/include/private/dvr/bufferhub_rpc.h
+++ b/libs/vr/libbufferhub/include/private/dvr/bufferhub_rpc.h
@@ -375,7 +375,7 @@
     kOpConsumerSetIgnore,
     kOpProducerBufferDetach,
     kOpConsumerBufferDetach,
-    kOpCreateDetachedBuffer,
+    kOpDetachedBufferCreate,
     kOpDetachedBufferPromote,
     kOpCreateProducerQueue,
     kOpCreateConsumerQueue,
@@ -383,6 +383,8 @@
     kOpProducerQueueAllocateBuffers,
     kOpProducerQueueRemoveBuffer,
     kOpConsumerQueueImportBuffers,
+    // TODO(b/77153033): Separate all those RPC operations into subclasses.
+    kOpDetachedBufferBase = 1000,
   };
 
   // Aliases.
@@ -416,17 +418,6 @@
   PDX_REMOTE_METHOD(ConsumerBufferDetach, kOpConsumerBufferDetach,
                     LocalChannelHandle(Void));
 
-  // Creates a standalone DetachedBuffer not associated with any
-  // producer/consumer set.
-  PDX_REMOTE_METHOD(CreateDetachedBuffer, kOpCreateDetachedBuffer,
-                    LocalChannelHandle(Void));
-
-  // Promotes a DetachedBuffer to become a ProducerBuffer. Once promoted the
-  // DetachedBuffer channel will be closed automatically on successful IPC
-  // return. Further IPCs towards this channel will return error.
-  PDX_REMOTE_METHOD(DetachedBufferPromote, kOpDetachedBufferPromote,
-                    LocalChannelHandle(Void));
-
   // Buffer Queue Methods.
   PDX_REMOTE_METHOD(CreateProducerQueue, kOpCreateProducerQueue,
                     QueueInfo(const ProducerQueueConfig& producer_config,
@@ -445,6 +436,25 @@
                     std::vector<std::pair<LocalChannelHandle, size_t>>(Void));
 };
 
+struct DetachedBufferRPC final : public BufferHubRPC {
+ private:
+  enum {
+    kOpCreate = kOpDetachedBufferBase,
+    kOpImport,
+    kOpPromote,
+  };
+
+ public:
+  PDX_REMOTE_METHOD(Create, kOpCreate,
+                    void(uint32_t width, uint32_t height, uint32_t layer_count,
+                         uint32_t format, uint64_t usage,
+                         size_t user_metadata_size));
+  PDX_REMOTE_METHOD(Import, kOpImport, BufferDescription<LocalHandle>(Void));
+  PDX_REMOTE_METHOD(Promote, kOpPromote, LocalChannelHandle(Void));
+
+  PDX_REMOTE_API(API, Create, Promote);
+};
+
 }  // namespace dvr
 }  // namespace android
 
diff --git a/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h b/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h
new file mode 100644
index 0000000..73e895d
--- /dev/null
+++ b/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h
@@ -0,0 +1,65 @@
+#ifndef ANDROID_DVR_DETACHED_BUFFER_H_
+#define ANDROID_DVR_DETACHED_BUFFER_H_
+
+#include <private/dvr/buffer_hub_client.h>
+
+namespace android {
+namespace dvr {
+
+class DetachedBuffer {
+ public:
+  using LocalChannelHandle = pdx::LocalChannelHandle;
+
+  // Allocates a standalone DetachedBuffer not associated with any producer
+  // consumer set.
+  static std::unique_ptr<DetachedBuffer> Create(uint32_t width, uint32_t height,
+                                                uint32_t layer_count,
+                                                uint32_t format, uint64_t usage,
+                                                size_t user_metadata_size) {
+    return std::unique_ptr<DetachedBuffer>(new DetachedBuffer(
+        width, height, layer_count, format, usage, user_metadata_size));
+  }
+
+  // Imports the given channel handle to a DetachedBuffer, taking ownership.
+  static std::unique_ptr<DetachedBuffer> Import(
+      LocalChannelHandle channel_handle) {
+    return std::unique_ptr<DetachedBuffer>(
+        new DetachedBuffer(std::move(channel_handle)));
+  }
+
+  DetachedBuffer(const DetachedBuffer&) = delete;
+  void operator=(const DetachedBuffer&) = delete;
+
+  const sp<GraphicBuffer>& buffer() const { return buffer_.buffer(); }
+
+  int id() const { return id_; }
+  bool IsValid() const { return client_.IsValid(); }
+
+  // Promotes a DetachedBuffer to become a ProducerBuffer. Once promoted the
+  // DetachedBuffer channel will be closed automatically on successful IPC
+  // return. Further IPCs towards this channel will return error.
+  std::unique_ptr<BufferProducer> Promote();
+
+  // Takes the underlying graphic buffer out of this DetachedBuffer. This call
+  // immediately invalidates this DetachedBuffer object and transfers the
+  // underlying pdx::LocalChannelHandle into the GraphicBuffer.
+  sp<GraphicBuffer> TakeGraphicBuffer();
+
+ private:
+  DetachedBuffer(uint32_t width, uint32_t height, uint32_t layer_count,
+                 uint32_t format, uint64_t usage, size_t user_metadata_size);
+
+  DetachedBuffer(LocalChannelHandle channel_handle);
+
+  int ImportGraphicBuffer();
+
+  // Global id for the buffer that is consistent across processes.
+  int id_;
+  IonBuffer buffer_;
+  BufferHubClient client_;
+};
+
+}  // namespace dvr
+}  // namespace android
+
+#endif  // ANDROID_DVR_DETACHED_BUFFER_H_
diff --git a/libs/vr/libbufferhub/include/private/dvr/ion_buffer.h b/libs/vr/libbufferhub/include/private/dvr/ion_buffer.h
index 0d337f7..f6bc547 100644
--- a/libs/vr/libbufferhub/include/private/dvr/ion_buffer.h
+++ b/libs/vr/libbufferhub/include/private/dvr/ion_buffer.h
@@ -23,6 +23,9 @@
   IonBuffer(IonBuffer&& other);
   IonBuffer& operator=(IonBuffer&& other);
 
+  // Returns check this IonBuffer holds a valid Gralloc buffer.
+  bool IsValid() const { return buffer_ && buffer_->initCheck() == NO_ERROR; }
+
   // Frees the underlying native handle and leaves the instance initialized to
   // empty.
   void FreeHandle();
@@ -66,6 +69,7 @@
               struct android_ycbcr* yuv);
   int Unlock();
 
+  sp<GraphicBuffer>& buffer() { return buffer_; }
   const sp<GraphicBuffer>& buffer() const { return buffer_; }
   buffer_handle_t handle() const {
     return buffer_.get() ? buffer_->handle : nullptr;