| // Copyright 2016 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/exo/compositor_frame_sink_holder.h" |
| |
| #include "cc/resources/returned_resource.h" |
| #include "components/exo/surface.h" |
| |
| namespace exo { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // CompositorFrameSinkHolder, public: |
| |
| CompositorFrameSinkHolder::CompositorFrameSinkHolder( |
| Surface* surface, |
| const cc::FrameSinkId& frame_sink_id, |
| cc::SurfaceManager* surface_manager) |
| : surface_(surface), |
| frame_sink_( |
| new CompositorFrameSink(frame_sink_id, surface_manager, this)), |
| begin_frame_source_(base::MakeUnique<cc::ExternalBeginFrameSource>(this)), |
| weak_factory_(this) { |
| surface_->AddSurfaceObserver(this); |
| surface_->SetBeginFrameSource(begin_frame_source_.get()); |
| } |
| |
| bool CompositorFrameSinkHolder::HasReleaseCallbackForResource( |
| cc::ResourceId id) { |
| return release_callbacks_.find(id) != release_callbacks_.end(); |
| } |
| |
| void CompositorFrameSinkHolder::SetResourceReleaseCallback( |
| cc::ResourceId id, |
| const cc::ReleaseCallback& callback) { |
| DCHECK(!callback.is_null()); |
| release_callbacks_[id] = callback; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // cc::mojom::MojoCompositorFrameSinkClient overrides: |
| |
| void CompositorFrameSinkHolder::DidReceiveCompositorFrameAck( |
| const cc::ReturnedResourceArray& resources) { |
| ReclaimResources(resources); |
| if (surface_) |
| surface_->DidReceiveCompositorFrameAck(); |
| } |
| |
| void CompositorFrameSinkHolder::OnBeginFrame(const cc::BeginFrameArgs& args) { |
| begin_frame_source_->OnBeginFrame(args); |
| } |
| |
| void CompositorFrameSinkHolder::ReclaimResources( |
| const cc::ReturnedResourceArray& resources) { |
| for (auto& resource : resources) { |
| auto it = release_callbacks_.find(resource.id); |
| DCHECK(it != release_callbacks_.end()); |
| if (it != release_callbacks_.end()) { |
| it->second.Run(resource.sync_token, resource.lost); |
| release_callbacks_.erase(it); |
| } |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // cc::ExternalBeginFrameSourceClient overrides: |
| |
| void CompositorFrameSinkHolder::OnNeedsBeginFrames(bool needs_begin_frames) { |
| frame_sink_->SetNeedsBeginFrame(needs_begin_frames); |
| } |
| |
| void CompositorFrameSinkHolder::OnDidFinishFrame(const cc::BeginFrameAck& ack) { |
| // If there was damage, the submitted CompositorFrame includes the ack. |
| if (!ack.has_damage) |
| frame_sink_->BeginFrameDidNotSwap(ack); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // SurfaceObserver overrides: |
| |
| void CompositorFrameSinkHolder::OnSurfaceDestroying(Surface* surface) { |
| surface_->RemoveSurfaceObserver(this); |
| surface_ = nullptr; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // ExoComopositorFrameSink, private: |
| |
| CompositorFrameSinkHolder::~CompositorFrameSinkHolder() { |
| if (surface_) |
| surface_->RemoveSurfaceObserver(this); |
| } |
| |
| } // namespace exo |