Merge changes from topic "sensors_ndk_handle"

* changes:
  Add ASensor_getHandle API to Sensors NDK
  Add Additional Information types to NDK
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 8b9e4d7..e3ee511 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1118,6 +1118,12 @@
                                        wideColorGamutDataspace, wideColorGamutPixelFormat);
 }
 
+bool SurfaceComposerClient::getProtectedContentSupport() {
+    bool supported = false;
+    ComposerService::getComposerService()->getProtectedContentSupport(&supported);
+    return supported;
+}
+
 status_t SurfaceComposerClient::clearAnimationFrameStats() {
     return ComposerService::getComposerService()->clearAnimationFrameStats();
 }
diff --git a/libs/gui/include/gui/BufferQueueCore.h b/libs/gui/include/gui/BufferQueueCore.h
index 537c957..b377a41 100644
--- a/libs/gui/include/gui/BufferQueueCore.h
+++ b/libs/gui/include/gui/BufferQueueCore.h
@@ -40,13 +40,14 @@
 #define BQ_LOGW(x, ...) ALOGW("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
 #define BQ_LOGE(x, ...) ALOGE("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
 
-#define ATRACE_BUFFER_INDEX(index)                                   \
-    if (ATRACE_ENABLED()) {                                          \
-        char ___traceBuf[1024];                                      \
-        snprintf(___traceBuf, 1024, "%s: %d",                        \
-                mCore->mConsumerName.string(), (index));             \
-        android::ScopedTrace ___bufTracer(ATRACE_TAG, ___traceBuf);  \
-    }
+#define ATRACE_BUFFER_INDEX(index)                                                         \
+    do {                                                                                   \
+        if (ATRACE_ENABLED()) {                                                            \
+            char ___traceBuf[1024];                                                        \
+            snprintf(___traceBuf, 1024, "%s: %d", mCore->mConsumerName.string(), (index)); \
+            android::ScopedTrace ___bufTracer(ATRACE_TAG, ___traceBuf);                    \
+        }                                                                                  \
+    } while (false)
 
 namespace android {
 
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index f16f781..9a4f7a0 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -145,6 +145,12 @@
                                              ui::Dataspace* wideColorGamutDataspace,
                                              ui::PixelFormat* wideColorGamutPixelFormat);
 
+    /*
+     * Gets whether SurfaceFlinger can support protected content in GPU composition.
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    static bool getProtectedContentSupport();
+
     /**
      * Called from SurfaceControl d'tor to 'destroy' the surface (or rather, reparent it
      * to null), but without needing an sp<SurfaceControl> to avoid infinite ressurection.
diff --git a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
index f2c40fe..f5761d5 100644
--- a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
+++ b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
@@ -162,39 +162,6 @@
   void operator=(const BufferTraits&) = delete;
 };
 
-struct DetachedBufferRPC {
- private:
-  enum {
-    kOpDetachedBufferBase = 1000,
-
-    // Allocates a standalone DetachedBuffer not associated with any producer
-    // consumer set.
-    kOpCreate,
-
-    // Imports the given channel handle to a DetachedBuffer, taking ownership.
-    kOpImport,
-
-    // Creates a DetachedBuffer client from an existing one. The new client will
-    // share the same underlying gralloc buffer and ashmem region for metadata.
-    kOpDuplicate,
-  };
-
-  // Aliases.
-  using LocalChannelHandle = pdx::LocalChannelHandle;
-  using LocalHandle = pdx::LocalHandle;
-  using Void = pdx::rpc::Void;
-
- 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, BufferTraits<LocalHandle>(Void));
-  PDX_REMOTE_METHOD(Duplicate, kOpDuplicate, LocalChannelHandle(Void));
-
-  PDX_REMOTE_API(API, Create, Import, Duplicate);
-};
-
 }  // namespace dvr
 }  // namespace android
 
diff --git a/services/vr/bufferhubd/Android.bp b/services/vr/bufferhubd/Android.bp
index 7a7e437..ba7d7f9 100644
--- a/services/vr/bufferhubd/Android.bp
+++ b/services/vr/bufferhubd/Android.bp
@@ -28,7 +28,6 @@
 cc_library_static {
     name: "libbufferhubd",
     srcs: [
-        "buffer_channel.cpp",
         "buffer_hub.cpp",
         "consumer_channel.cpp",
         "consumer_queue_channel.cpp",
diff --git a/services/vr/bufferhubd/buffer_channel.cpp b/services/vr/bufferhubd/buffer_channel.cpp
deleted file mode 100644
index 695396c..0000000
--- a/services/vr/bufferhubd/buffer_channel.cpp
+++ /dev/null
@@ -1,138 +0,0 @@
-#include <errno.h>
-#include <private/dvr/buffer_channel.h>
-#include <private/dvr/producer_channel.h>
-
-using android::pdx::BorrowedHandle;
-using android::pdx::ErrorStatus;
-using android::pdx::Message;
-using android::pdx::RemoteChannelHandle;
-using android::pdx::Status;
-using android::pdx::rpc::DispatchRemoteMethod;
-
-namespace android {
-namespace dvr {
-
-BufferChannel::BufferChannel(BufferHubService* service, int buffer_id,
-                             uint32_t width, uint32_t height,
-                             uint32_t layer_count, uint32_t format,
-                             uint64_t usage, size_t user_metadata_size)
-    : BufferHubChannel(service, buffer_id, buffer_id, kDetachedBufferType) {
-  buffer_node_ = std::make_shared<BufferNode>(
-      width, height, layer_count, format, usage, user_metadata_size);
-  if (!buffer_node_->IsValid()) {
-    ALOGE("BufferChannel::BufferChannel: Failed to create BufferNode.");
-    return;
-  }
-  client_state_mask_ = buffer_node_->AddNewActiveClientsBitToMask();
-}
-
-BufferChannel::BufferChannel(BufferHubService* service, int buffer_id,
-                             int channel_id,
-                             std::shared_ptr<BufferNode> buffer_node)
-    : BufferHubChannel(service, buffer_id, channel_id, kDetachedBufferType),
-      buffer_node_(buffer_node) {
-  client_state_mask_ = buffer_node_->AddNewActiveClientsBitToMask();
-  if (client_state_mask_ == 0U) {
-    ALOGE("BufferChannel::BufferChannel: %s", strerror(errno));
-    buffer_node_ = nullptr;
-  }
-}
-
-BufferChannel::~BufferChannel() {
-  ALOGD_IF(TRACE, "BufferChannel::~BufferChannel: channel_id=%d buffer_id=%d.",
-           channel_id(), buffer_id());
-  if (client_state_mask_ != 0U) {
-    buffer_node_->RemoveClientsBitFromMask(client_state_mask_);
-  }
-  Hangup();
-}
-
-BufferHubChannel::BufferInfo BufferChannel::GetBufferInfo() const {
-  return BufferInfo(
-      buffer_id(), /*consumer_count=*/0, buffer_node_->buffer_desc().width,
-      buffer_node_->buffer_desc().height, buffer_node_->buffer_desc().layers,
-      buffer_node_->buffer_desc().format, buffer_node_->buffer_desc().usage,
-      /*state=*/0, /*signaled_mask=*/0, /*index=*/0);
-}
-
-void BufferChannel::HandleImpulse(Message& /*message*/) {
-  ATRACE_NAME("BufferChannel::HandleImpulse");
-}
-
-bool BufferChannel::HandleMessage(Message& message) {
-  ATRACE_NAME("BufferChannel::HandleMessage");
-  switch (message.GetOp()) {
-    case DetachedBufferRPC::Import::Opcode:
-      DispatchRemoteMethod<DetachedBufferRPC::Import>(
-          *this, &BufferChannel::OnImport, message);
-      return true;
-
-    case DetachedBufferRPC::Duplicate::Opcode:
-      DispatchRemoteMethod<DetachedBufferRPC::Duplicate>(
-          *this, &BufferChannel::OnDuplicate, message);
-      return true;
-
-    default:
-      return false;
-  }
-}
-
-Status<BufferTraits<BorrowedHandle>> BufferChannel::OnImport(
-    Message& /*message*/) {
-  ATRACE_NAME("BufferChannel::OnImport");
-  ALOGD_IF(TRACE, "BufferChannel::OnImport: buffer=%d.", buffer_id());
-
-  BorrowedHandle ashmem_handle =
-      BorrowedHandle(buffer_node_->metadata().ashmem_fd().get());
-
-  // TODO(b/112057680) Move away from the GraphicBuffer-based IonBuffer.
-  return BufferTraits<BorrowedHandle>{
-      /*buffer_handle=*/buffer_node_->buffer_handle(),
-      /*metadata_handle=*/ashmem_handle,
-      /*id=*/buffer_id(),
-      /*client_state_mask=*/client_state_mask_,
-      /*metadata_size=*/buffer_node_->metadata().metadata_size(),
-      /*width=*/buffer_node_->buffer_desc().width,
-      /*height=*/buffer_node_->buffer_desc().height,
-      /*layer_count=*/buffer_node_->buffer_desc().layers,
-      /*format=*/buffer_node_->buffer_desc().format,
-      /*usage=*/buffer_node_->buffer_desc().usage,
-      /*stride=*/buffer_node_->buffer_desc().stride,
-      /*acquire_fence_fd=*/BorrowedHandle{},
-      /*released_fence_fd=*/BorrowedHandle{}};
-}
-
-Status<RemoteChannelHandle> BufferChannel::OnDuplicate(Message& message) {
-  ATRACE_NAME("BufferChannel::OnDuplicate");
-  ALOGD_IF(TRACE, "BufferChannel::OnDuplicate: buffer=%d.", buffer_id());
-
-  int channel_id;
-  auto status = message.PushChannel(0, nullptr, &channel_id);
-  if (!status.ok()) {
-    ALOGE("BufferChannel::OnDuplicate: Failed to push buffer channel: %s",
-          status.GetErrorMessage().c_str());
-    return ErrorStatus(ENOMEM);
-  }
-
-  auto channel = std::shared_ptr<BufferChannel>(
-      new BufferChannel(service(), buffer_id(), channel_id, buffer_node_));
-  if (!channel->IsValid()) {
-    ALOGE("BufferChannel::OnDuplicate: Invalid buffer. %s", strerror(errno));
-    return ErrorStatus(EINVAL);
-  }
-
-  const auto channel_status =
-      service()->SetChannel(channel_id, std::move(channel));
-  if (!channel_status) {
-    // Technically, this should never fail, as we just pushed the channel. Note
-    // that LOG_FATAL will be stripped out in non-debug build.
-    LOG_FATAL(
-        "BufferChannel::OnDuplicate: Failed to set new buffer channel: %s.",
-        channel_status.GetErrorMessage().c_str());
-  }
-
-  return status;
-}
-
-}  // namespace dvr
-}  // namespace android
diff --git a/services/vr/bufferhubd/buffer_hub.cpp b/services/vr/bufferhubd/buffer_hub.cpp
index f50d292..6409265 100644
--- a/services/vr/bufferhubd/buffer_hub.cpp
+++ b/services/vr/bufferhubd/buffer_hub.cpp
@@ -10,7 +10,6 @@
 #include <log/log.h>
 #include <pdx/default_transport/service_endpoint.h>
 #include <private/dvr/bufferhub_rpc.h>
-#include <private/dvr/buffer_channel.h>
 #include <private/dvr/buffer_hub.h>
 #include <private/dvr/consumer_channel.h>
 #include <private/dvr/producer_channel.h>
@@ -242,11 +241,6 @@
           *this, &BufferHubService::OnCreateBuffer, message);
       return {};
 
-    case DetachedBufferRPC::Create::Opcode:
-      DispatchRemoteMethod<DetachedBufferRPC::Create>(
-          *this, &BufferHubService::OnCreateDetachedBuffer, message);
-      return {};
-
     case BufferHubRPC::CreateProducerQueue::Opcode:
       DispatchRemoteMethod<BufferHubRPC::CreateProducerQueue>(
           *this, &BufferHubService::OnCreateProducerQueue, message);
@@ -288,43 +282,6 @@
   }
 }
 
-pdx::Status<void> BufferHubService::OnCreateDetachedBuffer(
-    pdx::Message& message, uint32_t width, uint32_t height,
-    uint32_t layer_count, uint32_t format, uint64_t usage,
-    size_t user_metadata_size) {
-  // Use the producer channel id as the global buffer id.
-  const int buffer_id = message.GetChannelId();
-  ALOGD_IF(TRACE,
-           "BufferHubService::OnCreateDetachedBuffer: buffer_id=%d width=%u "
-           "height=%u layer_count=%u format=%u usage=%" PRIx64
-           " user_metadata_size=%zu",
-           buffer_id, width, height, layer_count, format, usage,
-           user_metadata_size);
-
-  // See if this channel is already attached to a buffer.
-  if (const auto channel = message.GetChannel<BufferHubChannel>()) {
-    ALOGE(
-        "BufferHubService::OnCreateDetachedBuffer: Buffer already created: "
-        "buffer=%d",
-        buffer_id);
-    return ErrorStatus(EALREADY);
-  }
-
-  std::unique_ptr<BufferChannel> channel =
-      BufferChannel::Create(this, buffer_id, width, height, layer_count, format,
-                            usage, user_metadata_size);
-  if (!channel) {
-    ALOGE(
-        "BufferHubService::OnCreateDetachedBuffer: Failed to allocate buffer, "
-        "buffer=%d.",
-        buffer_id);
-    return ErrorStatus(ENOMEM);
-  }
-
-  message.SetChannel(std::move(channel));
-  return {};
-}
-
 Status<QueueInfo> BufferHubService::OnCreateProducerQueue(
     pdx::Message& message, const ProducerQueueConfig& producer_config,
     const UsagePolicy& usage_policy) {
diff --git a/services/vr/bufferhubd/include/private/dvr/buffer_channel.h b/services/vr/bufferhubd/include/private/dvr/buffer_channel.h
deleted file mode 100644
index 9888db6..0000000
--- a/services/vr/bufferhubd/include/private/dvr/buffer_channel.h
+++ /dev/null
@@ -1,61 +0,0 @@
-#ifndef ANDROID_DVR_BUFFERHUBD_BUFFER_CHANNEL_H_
-#define ANDROID_DVR_BUFFERHUBD_BUFFER_CHANNEL_H_
-
-#include <pdx/channel_handle.h>
-#include <pdx/file_handle.h>
-#include <private/dvr/buffer_hub.h>
-#include <private/dvr/buffer_hub_defs.h>
-#include <private/dvr/buffer_node.h>
-
-namespace android {
-namespace dvr {
-
-class BufferChannel : public BufferHubChannel {
- public:
-  ~BufferChannel() override;
-
-  template <typename... Args>
-  static std::unique_ptr<BufferChannel> Create(Args&&... args) {
-    auto buffer = std::unique_ptr<BufferChannel>(
-        new BufferChannel(std::forward<Args>(args)...));
-    return buffer->IsValid() ? std::move(buffer) : nullptr;
-  }
-
-  // Returns whether the object holds a valid graphic buffer.
-  bool IsValid() const {
-    return buffer_node_ != nullptr && buffer_node_->IsValid();
-  }
-
-  // Captures buffer info for use by BufferHubService::DumpState().
-  BufferInfo GetBufferInfo() const override;
-
-  bool HandleMessage(pdx::Message& message) override;
-  void HandleImpulse(pdx::Message& message) override;
-
- private:
-
-  // Allocates a new detached buffer.
-  BufferChannel(BufferHubService* service, int buffer_id, uint32_t width,
-                uint32_t height, uint32_t layer_count, uint32_t format,
-                uint64_t usage, size_t user_metadata_size);
-
-  // Creates a detached buffer from an existing BufferNode. This method is used
-  // in OnDuplicate method.
-  BufferChannel(BufferHubService* service, int buffer_id, int channel_id,
-                std::shared_ptr<BufferNode> buffer_node);
-
-  pdx::Status<BufferTraits<pdx::BorrowedHandle>> OnImport(
-      pdx::Message& message);
-  pdx::Status<pdx::RemoteChannelHandle> OnDuplicate(pdx::Message& message);
-
-  // The concrete implementation of the Buffer object.
-  std::shared_ptr<BufferNode> buffer_node_ = nullptr;
-
-  // The state bit of this buffer.
-  uint32_t client_state_mask_ = 0U;
-};
-
-}  // namespace dvr
-}  // namespace android
-
-#endif  // ANDROID_DVR_BUFFERHUBD_BUFFER_CHANNEL_H_
diff --git a/services/vr/bufferhubd/include/private/dvr/buffer_hub.h b/services/vr/bufferhubd/include/private/dvr/buffer_hub.h
index 01520fc..909d69b 100644
--- a/services/vr/bufferhubd/include/private/dvr/buffer_hub.h
+++ b/services/vr/bufferhubd/include/private/dvr/buffer_hub.h
@@ -144,11 +144,6 @@
   pdx::Status<void> OnCreateBuffer(pdx::Message& message, uint32_t width,
                                    uint32_t height, uint32_t format,
                                    uint64_t usage, size_t meta_size_bytes);
-  pdx::Status<void> OnCreateDetachedBuffer(pdx::Message& message,
-                                           uint32_t width, uint32_t height,
-                                           uint32_t layer_count,
-                                           uint32_t format, uint64_t usage,
-                                           size_t user_metadata_size);
   pdx::Status<QueueInfo> OnCreateProducerQueue(
       pdx::Message& message, const ProducerQueueConfig& producer_config,
       const UsagePolicy& usage_policy);
diff --git a/services/vr/bufferhubd/producer_channel.cpp b/services/vr/bufferhubd/producer_channel.cpp
index 409bce9..895dee0 100644
--- a/services/vr/bufferhubd/producer_channel.cpp
+++ b/services/vr/bufferhubd/producer_channel.cpp
@@ -7,7 +7,6 @@
 #include <thread>
 
 #include <log/log.h>
-#include <private/dvr/buffer_channel.h>
 #include <private/dvr/bufferhub_rpc.h>
 #include <private/dvr/consumer_channel.h>
 #include <private/dvr/producer_channel.h>