| #ifndef ANDROID_DVR_SERVICES_DISPLAYD_DISPLAY_SERVICE_H_ |
| #define ANDROID_DVR_SERVICES_DISPLAYD_DISPLAY_SERVICE_H_ |
| |
| #include <dvr/dvr_api.h> |
| #include <pdx/service.h> |
| #include <pdx/status.h> |
| #include <private/dvr/bufferhub_rpc.h> |
| #include <private/dvr/display_protocol.h> |
| |
| #include <functional> |
| #include <iterator> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "acquired_buffer.h" |
| #include "display_surface.h" |
| #include "epoll_event_dispatcher.h" |
| #include "hardware_composer.h" |
| |
| namespace android { |
| namespace dvr { |
| |
| // DisplayService implements the display service component of VrFlinger. |
| class DisplayService : public pdx::ServiceBase<DisplayService> { |
| public: |
| bool IsInitialized() const override; |
| std::string DumpState(size_t max_length) override; |
| |
| void OnChannelClose(pdx::Message& message, |
| const std::shared_ptr<pdx::Channel>& channel) override; |
| pdx::Status<void> HandleMessage(pdx::Message& message) override; |
| |
| std::shared_ptr<DisplaySurface> GetDisplaySurface(int surface_id) const; |
| std::vector<std::shared_ptr<DisplaySurface>> GetDisplaySurfaces() const; |
| std::vector<std::shared_ptr<DirectDisplaySurface>> GetVisibleDisplaySurfaces() |
| const; |
| |
| // Updates the list of actively displayed surfaces. This must be called after |
| // any change to client/manager attributes that affect visibility or z order. |
| void UpdateActiveDisplaySurfaces(); |
| |
| pdx::Status<BorrowedNativeBufferHandle> SetupGlobalBuffer( |
| DvrGlobalBufferKey key, size_t size, uint64_t usage); |
| |
| pdx::Status<void> DeleteGlobalBuffer(DvrGlobalBufferKey key); |
| |
| template <class A> |
| void ForEachDisplaySurface(SurfaceType surface_type, A action) const { |
| ForEachChannel([surface_type, |
| action](const ChannelIterator::value_type& pair) mutable { |
| auto surface = std::static_pointer_cast<DisplaySurface>(pair.second); |
| if (surface->surface_type() == surface_type) |
| action(surface); |
| }); |
| } |
| |
| using DisplayConfigurationUpdateNotifier = std::function<void(void)>; |
| void SetDisplayConfigurationUpdateNotifier( |
| DisplayConfigurationUpdateNotifier notifier); |
| |
| void GrantDisplayOwnership() { hardware_composer_.Enable(); } |
| void SeizeDisplayOwnership() { hardware_composer_.Disable(); } |
| void OnBootFinished() { hardware_composer_.OnBootFinished(); } |
| |
| private: |
| friend BASE; |
| friend DisplaySurface; |
| |
| friend class VrDisplayStateService; |
| |
| using RequestDisplayCallback = std::function<void(bool)>; |
| |
| DisplayService(android::Hwc2::Composer* hidl, |
| hwc2_display_t primary_display_id, |
| RequestDisplayCallback request_display_callback); |
| |
| pdx::Status<BorrowedNativeBufferHandle> OnGetGlobalBuffer( |
| pdx::Message& message, DvrGlobalBufferKey key); |
| pdx::Status<display::Metrics> OnGetMetrics(pdx::Message& message); |
| pdx::Status<std::string> OnGetConfigurationData( |
| pdx::Message& message, display::ConfigFileType config_type); |
| pdx::Status<display::SurfaceInfo> OnCreateSurface( |
| pdx::Message& message, const display::SurfaceAttributes& attributes); |
| pdx::Status<BorrowedNativeBufferHandle> OnSetupGlobalBuffer( |
| pdx::Message& message, DvrGlobalBufferKey key, size_t size, |
| uint64_t usage); |
| pdx::Status<void> OnDeleteGlobalBuffer(pdx::Message& message, |
| DvrGlobalBufferKey key); |
| |
| // Temporary query for current VR status. Will be removed later. |
| pdx::Status<bool> IsVrAppRunning(pdx::Message& message); |
| |
| pdx::Status<void> AddEventHandler(int fd, int events, |
| EpollEventDispatcher::Handler handler) { |
| return dispatcher_.AddEventHandler(fd, events, handler); |
| } |
| pdx::Status<void> RemoveEventHandler(int fd) { |
| return dispatcher_.RemoveEventHandler(fd); |
| } |
| |
| void SurfaceUpdated(SurfaceType surface_type, |
| display::SurfaceUpdateFlags update_flags); |
| |
| // Called by DisplaySurface to signal that a surface property has changed and |
| // the display manager should be notified. |
| void NotifyDisplayConfigurationUpdate(); |
| |
| pdx::Status<void> HandleSurfaceMessage(pdx::Message& message); |
| |
| HardwareComposer hardware_composer_; |
| EpollEventDispatcher dispatcher_; |
| DisplayConfigurationUpdateNotifier update_notifier_; |
| |
| std::unordered_map<DvrGlobalBufferKey, std::unique_ptr<IonBuffer>> |
| global_buffers_; |
| |
| DisplayService(const DisplayService&) = delete; |
| void operator=(const DisplayService&) = delete; |
| }; |
| |
| } // namespace dvr |
| } // namespace android |
| |
| #endif // ANDROID_DVR_SERVICES_DISPLAYD_DISPLAY_SERVICE_H_ |