| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/viz/host/host_frame_sink_manager.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/stl_util.h" |
| #include "components/viz/common/surfaces/surface_info.h" |
| #include "components/viz/service/frame_sinks/compositor_frame_sink_support.h" |
| #include "components/viz/service/frame_sinks/frame_sink_manager_impl.h" |
| #include "mojo/public/cpp/bindings/sync_call_restrictions.h" |
| #include "services/viz/public/mojom/compositing/compositor_frame_sink.mojom.h" |
| |
| namespace viz { |
| |
| HostFrameSinkManager::HostFrameSinkManager() = default; |
| |
| HostFrameSinkManager::~HostFrameSinkManager() = default; |
| |
| void HostFrameSinkManager::SetLocalManager( |
| FrameSinkManagerImpl* frame_sink_manager_impl) { |
| DCHECK(!frame_sink_manager_remote_); |
| frame_sink_manager_impl_ = frame_sink_manager_impl; |
| |
| frame_sink_manager_ = frame_sink_manager_impl; |
| } |
| |
| void HostFrameSinkManager::BindAndSetManager( |
| mojo::PendingReceiver<mojom::FrameSinkManagerClient> receiver, |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| mojo::PendingRemote<mojom::FrameSinkManager> remote) { |
| DCHECK(!frame_sink_manager_impl_); |
| DCHECK(!receiver_.is_bound()); |
| |
| receiver_.Bind(std::move(receiver), std::move(task_runner)); |
| frame_sink_manager_remote_.Bind(std::move(remote)); |
| frame_sink_manager_ = frame_sink_manager_remote_.get(); |
| |
| frame_sink_manager_remote_.set_disconnect_handler(base::BindOnce( |
| &HostFrameSinkManager::OnConnectionLost, base::Unretained(this))); |
| |
| if (connection_was_lost_) { |
| RegisterAfterConnectionLoss(); |
| connection_was_lost_ = false; |
| } |
| } |
| |
| void HostFrameSinkManager::SetConnectionLostCallback( |
| base::RepeatingClosure callback) { |
| connection_lost_callback_ = std::move(callback); |
| } |
| |
| void HostFrameSinkManager::RegisterFrameSinkId( |
| const FrameSinkId& frame_sink_id, |
| HostFrameSinkClient* client, |
| ReportFirstSurfaceActivation report_activation) { |
| DCHECK(frame_sink_id.is_valid()); |
| DCHECK(client); |
| |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(!data.IsFrameSinkRegistered()); |
| DCHECK(!data.has_created_compositor_frame_sink); |
| data.client = client; |
| data.report_activation = report_activation; |
| frame_sink_manager_->RegisterFrameSinkId( |
| frame_sink_id, report_activation == ReportFirstSurfaceActivation::kYes); |
| } |
| |
| bool HostFrameSinkManager::IsFrameSinkIdRegistered( |
| const FrameSinkId& frame_sink_id) const { |
| auto iter = frame_sink_data_map_.find(frame_sink_id); |
| return iter != frame_sink_data_map_.end() && iter->second.client != nullptr; |
| } |
| |
| void HostFrameSinkManager::InvalidateFrameSinkId( |
| const FrameSinkId& frame_sink_id) { |
| DCHECK(frame_sink_id.is_valid()); |
| |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| |
| const bool destroy_synchronously = |
| data.has_created_compositor_frame_sink && data.is_root; |
| |
| data.has_created_compositor_frame_sink = false; |
| data.client = nullptr; |
| |
| // There may be frame sink hierarchy information left in FrameSinkData. |
| if (data.IsEmpty()) |
| frame_sink_data_map_.erase(frame_sink_id); |
| |
| display_hit_test_query_.erase(frame_sink_id); |
| |
| if (destroy_synchronously) { |
| // This synchronous call ensures that the GL context/surface that draw to |
| // the platform window (eg. XWindow or HWND) get destroyed before the |
| // platform window is destroyed. |
| mojo::SyncCallRestrictions::ScopedAllowSyncCall allow_sync_call; |
| frame_sink_manager_->DestroyCompositorFrameSink(frame_sink_id); |
| |
| // Other synchronous IPCs continue to get processed while |
| // DestroyCompositorFrameSink() is happening, so it's possible |
| // HostFrameSinkManager has been mutated. |data| might not be a valid |
| // reference at this point. |
| } |
| |
| frame_sink_manager_->InvalidateFrameSinkId(frame_sink_id); |
| } |
| |
| void HostFrameSinkManager::EnableSynchronizationReporting( |
| const FrameSinkId& frame_sink_id, |
| const std::string& reporting_label) { |
| DCHECK(frame_sink_id.is_valid()); |
| |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| |
| data.synchronization_reporting_label = reporting_label; |
| frame_sink_manager_->EnableSynchronizationReporting(frame_sink_id, |
| reporting_label); |
| } |
| |
| void HostFrameSinkManager::SetFrameSinkDebugLabel( |
| const FrameSinkId& frame_sink_id, |
| const std::string& debug_label) { |
| DCHECK(frame_sink_id.is_valid()); |
| |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| |
| data.debug_label = debug_label; |
| frame_sink_manager_->SetFrameSinkDebugLabel(frame_sink_id, debug_label); |
| } |
| |
| void HostFrameSinkManager::CreateRootCompositorFrameSink( |
| mojom::RootCompositorFrameSinkParamsPtr params) { |
| // Should only be used with an out-of-process display compositor. |
| DCHECK(frame_sink_manager_remote_); |
| |
| FrameSinkId frame_sink_id = params->frame_sink_id; |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| |
| // If GL context is lost a new CompositorFrameSink will be created. Destroy |
| // the old CompositorFrameSink first. |
| if (data.has_created_compositor_frame_sink) { |
| frame_sink_manager_->DestroyCompositorFrameSink(frame_sink_id, |
| base::DoNothing()); |
| } |
| |
| data.is_root = true; |
| data.has_created_compositor_frame_sink = true; |
| |
| frame_sink_manager_->CreateRootCompositorFrameSink(std::move(params)); |
| display_hit_test_query_[frame_sink_id] = std::make_unique<HitTestQuery>(); |
| } |
| |
| void HostFrameSinkManager::CreateCompositorFrameSink( |
| const FrameSinkId& frame_sink_id, |
| mojo::PendingReceiver<mojom::CompositorFrameSink> receiver, |
| mojo::PendingRemote<mojom::CompositorFrameSinkClient> client) { |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| |
| // If GL context is lost a new CompositorFrameSink will be created. Destroy |
| // the old CompositorFrameSink first. |
| if (data.has_created_compositor_frame_sink) { |
| frame_sink_manager_->DestroyCompositorFrameSink(frame_sink_id, |
| base::DoNothing()); |
| } |
| |
| data.is_root = false; |
| data.has_created_compositor_frame_sink = true; |
| |
| frame_sink_manager_->CreateCompositorFrameSink( |
| frame_sink_id, std::move(receiver), std::move(client)); |
| } |
| |
| void HostFrameSinkManager::OnFrameTokenChanged(const FrameSinkId& frame_sink_id, |
| uint32_t frame_token) { |
| DCHECK(frame_sink_id.is_valid()); |
| auto iter = frame_sink_data_map_.find(frame_sink_id); |
| if (iter == frame_sink_data_map_.end()) |
| return; |
| |
| const FrameSinkData& data = iter->second; |
| if (data.client) |
| data.client->OnFrameTokenChanged(frame_token); |
| } |
| |
| void HostFrameSinkManager::SetHitTestAsyncQueriedDebugRegions( |
| const FrameSinkId& root_frame_sink_id, |
| const std::vector<FrameSinkId>& hit_test_async_queried_debug_queue) { |
| frame_sink_manager_->SetHitTestAsyncQueriedDebugRegions( |
| root_frame_sink_id, hit_test_async_queried_debug_queue); |
| } |
| |
| bool HostFrameSinkManager::RegisterFrameSinkHierarchy( |
| const FrameSinkId& parent_frame_sink_id, |
| const FrameSinkId& child_frame_sink_id) { |
| auto iter = frame_sink_data_map_.find(parent_frame_sink_id); |
| // |parent_frame_sink_id| isn't registered so it can't embed anything. |
| if (iter == frame_sink_data_map_.end() || |
| !iter->second.IsFrameSinkRegistered()) { |
| return false; |
| } |
| |
| // Register and store the parent. |
| frame_sink_manager_->RegisterFrameSinkHierarchy(parent_frame_sink_id, |
| child_frame_sink_id); |
| |
| FrameSinkData& child_data = frame_sink_data_map_[child_frame_sink_id]; |
| DCHECK(!base::Contains(child_data.parents, parent_frame_sink_id)); |
| child_data.parents.push_back(parent_frame_sink_id); |
| |
| FrameSinkData& parent_data = iter->second; |
| DCHECK(!base::Contains(parent_data.children, child_frame_sink_id)); |
| parent_data.children.push_back(child_frame_sink_id); |
| |
| return true; |
| } |
| |
| void HostFrameSinkManager::UnregisterFrameSinkHierarchy( |
| const FrameSinkId& parent_frame_sink_id, |
| const FrameSinkId& child_frame_sink_id) { |
| // Unregister and clear the stored parent. |
| FrameSinkData& child_data = frame_sink_data_map_[child_frame_sink_id]; |
| DCHECK(base::Contains(child_data.parents, parent_frame_sink_id)); |
| base::Erase(child_data.parents, parent_frame_sink_id); |
| |
| FrameSinkData& parent_data = frame_sink_data_map_[parent_frame_sink_id]; |
| DCHECK(base::Contains(parent_data.children, child_frame_sink_id)); |
| base::Erase(parent_data.children, child_frame_sink_id); |
| |
| frame_sink_manager_->UnregisterFrameSinkHierarchy(parent_frame_sink_id, |
| child_frame_sink_id); |
| |
| // The reference parent_data will become invalid when the container is |
| // modified. So we have to call IsEmpty() in advance. |
| bool parent_data_is_empty = parent_data.IsEmpty(); |
| if (child_data.IsEmpty()) |
| frame_sink_data_map_.erase(child_frame_sink_id); |
| |
| if (parent_data_is_empty) |
| frame_sink_data_map_.erase(parent_frame_sink_id); |
| } |
| |
| bool HostFrameSinkManager::IsFrameSinkHierarchyRegistered( |
| const FrameSinkId& parent_frame_sink_id, |
| const FrameSinkId& child_frame_sink_id) const { |
| auto iter = frame_sink_data_map_.find(parent_frame_sink_id); |
| return iter != frame_sink_data_map_.end() && |
| base::Contains(iter->second.children, child_frame_sink_id); |
| } |
| |
| base::Optional<FrameSinkId> HostFrameSinkManager::FindRootFrameSinkId( |
| const FrameSinkId& start) const { |
| auto iter = frame_sink_data_map_.find(start); |
| if (iter == frame_sink_data_map_.end()) |
| return base::nullopt; |
| |
| if (iter->second.is_root) |
| return start; |
| |
| for (const FrameSinkId& parent_id : iter->second.parents) { |
| base::Optional<FrameSinkId> root = FindRootFrameSinkId(parent_id); |
| if (root) |
| return root; |
| } |
| return base::nullopt; |
| } |
| |
| void HostFrameSinkManager::AddVideoDetectorObserver( |
| mojo::PendingRemote<mojom::VideoDetectorObserver> observer) { |
| frame_sink_manager_->AddVideoDetectorObserver(std::move(observer)); |
| } |
| |
| void HostFrameSinkManager::CreateVideoCapturer( |
| mojo::PendingReceiver<mojom::FrameSinkVideoCapturer> receiver) { |
| frame_sink_manager_->CreateVideoCapturer(std::move(receiver)); |
| } |
| |
| std::unique_ptr<ClientFrameSinkVideoCapturer> |
| HostFrameSinkManager::CreateVideoCapturer() { |
| return std::make_unique<ClientFrameSinkVideoCapturer>(base::BindRepeating( |
| [](base::WeakPtr<HostFrameSinkManager> self, |
| mojo::PendingReceiver<mojom::FrameSinkVideoCapturer> receiver) { |
| self->CreateVideoCapturer(std::move(receiver)); |
| }, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void HostFrameSinkManager::EvictSurfaces( |
| const std::vector<SurfaceId>& surface_ids) { |
| frame_sink_manager_->EvictSurfaces(surface_ids); |
| } |
| |
| void HostFrameSinkManager::RequestCopyOfOutput( |
| const SurfaceId& surface_id, |
| std::unique_ptr<CopyOutputRequest> request) { |
| frame_sink_manager_->RequestCopyOfOutput(surface_id, std::move(request)); |
| } |
| |
| void HostFrameSinkManager::AddHitTestRegionObserver( |
| HitTestRegionObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void HostFrameSinkManager::RemoveHitTestRegionObserver( |
| HitTestRegionObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| std::unique_ptr<CompositorFrameSinkSupport> |
| HostFrameSinkManager::CreateCompositorFrameSinkSupport( |
| mojom::CompositorFrameSinkClient* client, |
| const FrameSinkId& frame_sink_id, |
| bool is_root, |
| bool needs_sync_points) { |
| DCHECK(frame_sink_manager_impl_); |
| |
| FrameSinkData& data = frame_sink_data_map_[frame_sink_id]; |
| DCHECK(data.IsFrameSinkRegistered()); |
| DCHECK(!data.has_created_compositor_frame_sink); |
| |
| auto support = std::make_unique<CompositorFrameSinkSupport>( |
| client, frame_sink_manager_impl_, frame_sink_id, is_root, |
| needs_sync_points); |
| |
| data.is_root = is_root; |
| |
| if (is_root) |
| display_hit_test_query_[frame_sink_id] = std::make_unique<HitTestQuery>(); |
| |
| return support; |
| } |
| |
| void HostFrameSinkManager::OnConnectionLost() { |
| connection_was_lost_ = true; |
| |
| receiver_.reset(); |
| frame_sink_manager_remote_.reset(); |
| frame_sink_manager_ = nullptr; |
| |
| // Any cached back buffers are invalid once the connection to the |
| // FrameSinkManager is lost. |
| min_valid_cache_back_buffer_id_ = next_cache_back_buffer_id_; |
| |
| // CompositorFrameSinks are lost along with the connection to |
| // mojom::FrameSinkManager. |
| for (auto& map_entry : frame_sink_data_map_) |
| map_entry.second.has_created_compositor_frame_sink = false; |
| |
| if (!connection_lost_callback_.is_null()) |
| connection_lost_callback_.Run(); |
| } |
| |
| void HostFrameSinkManager::RegisterAfterConnectionLoss() { |
| // Register FrameSinkIds first. |
| for (auto& map_entry : frame_sink_data_map_) { |
| const FrameSinkId& frame_sink_id = map_entry.first; |
| FrameSinkData& data = map_entry.second; |
| if (data.client) { |
| frame_sink_manager_->RegisterFrameSinkId( |
| frame_sink_id, |
| data.report_activation == ReportFirstSurfaceActivation::kYes); |
| } |
| if (!data.synchronization_reporting_label.empty()) { |
| frame_sink_manager_->EnableSynchronizationReporting( |
| frame_sink_id, data.synchronization_reporting_label); |
| } |
| if (!data.debug_label.empty()) { |
| frame_sink_manager_->SetFrameSinkDebugLabel(frame_sink_id, |
| data.debug_label); |
| } |
| } |
| |
| // Register FrameSink hierarchy second. |
| for (auto& map_entry : frame_sink_data_map_) { |
| const FrameSinkId& frame_sink_id = map_entry.first; |
| FrameSinkData& data = map_entry.second; |
| for (auto& child_frame_sink_id : data.children) { |
| frame_sink_manager_->RegisterFrameSinkHierarchy(frame_sink_id, |
| child_frame_sink_id); |
| } |
| } |
| } |
| |
| void HostFrameSinkManager::OnFirstSurfaceActivation( |
| const SurfaceInfo& surface_info) { |
| |
| auto it = frame_sink_data_map_.find(surface_info.id().frame_sink_id()); |
| |
| // If we've received a bogus or stale SurfaceId from Viz then just ignore it. |
| if (it == frame_sink_data_map_.end()) |
| return; |
| |
| FrameSinkData& frame_sink_data = it->second; |
| if (frame_sink_data.client) |
| frame_sink_data.client->OnFirstSurfaceActivation(surface_info); |
| } |
| |
| void HostFrameSinkManager::OnAggregatedHitTestRegionListUpdated( |
| const FrameSinkId& frame_sink_id, |
| const std::vector<AggregatedHitTestRegion>& hit_test_data) { |
| auto iter = display_hit_test_query_.find(frame_sink_id); |
| // The corresponding HitTestQuery has already been deleted, so drop the |
| // in-flight hit-test data. |
| if (iter == display_hit_test_query_.end()) |
| return; |
| |
| iter->second->OnAggregatedHitTestRegionListUpdated(hit_test_data); |
| |
| // Ensure that HitTestQuery are updated so that observers are not working with |
| // stale data. |
| for (HitTestRegionObserver& observer : observers_) |
| observer.OnAggregatedHitTestRegionListUpdated(frame_sink_id, hit_test_data); |
| } |
| |
| uint32_t HostFrameSinkManager::CacheBackBufferForRootSink( |
| const FrameSinkId& root_sink_id) { |
| auto it = frame_sink_data_map_.find(root_sink_id); |
| DCHECK(it != frame_sink_data_map_.end()); |
| DCHECK(it->second.is_root); |
| DCHECK(it->second.IsFrameSinkRegistered()); |
| DCHECK(frame_sink_manager_remote_); |
| |
| uint32_t cache_id = next_cache_back_buffer_id_++; |
| frame_sink_manager_remote_->CacheBackBuffer(cache_id, root_sink_id); |
| return cache_id; |
| } |
| |
| void HostFrameSinkManager::EvictCachedBackBuffer(uint32_t cache_id) { |
| DCHECK(frame_sink_manager_remote_); |
| |
| if (cache_id < min_valid_cache_back_buffer_id_) |
| return; |
| |
| // This synchronous call ensures that the GL context/surface that draw to |
| // the platform window (eg. XWindow or HWND) get destroyed before the |
| // platform window is destroyed. |
| mojo::SyncCallRestrictions::ScopedAllowSyncCall allow_sync_call; |
| frame_sink_manager_remote_->EvictBackBuffer(cache_id); |
| } |
| |
| HostFrameSinkManager::FrameSinkData::FrameSinkData() = default; |
| |
| HostFrameSinkManager::FrameSinkData::FrameSinkData(FrameSinkData&& other) = |
| default; |
| |
| HostFrameSinkManager::FrameSinkData::~FrameSinkData() = default; |
| |
| HostFrameSinkManager::FrameSinkData& HostFrameSinkManager::FrameSinkData:: |
| operator=(FrameSinkData&& other) = default; |
| |
| } // namespace viz |