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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "components/exo/exo_compositor_frame_sink.h" |
| 6 |
| 7 #include "cc/surfaces/surface_manager.h" |
| 8 #include "ui/aura/env.h" |
| 9 |
| 10 namespace exo { |
| 11 |
| 12 //////////////////////////////////////////////////////////////////////////////// |
| 13 // ExoComopositorFrameSink, public: |
| 14 |
| 15 ExoCompositorFrameSink::ExoCompositorFrameSink( |
| 16 const cc::FrameSinkId& frame_sink_id, |
| 17 cc::SurfaceManager* surface_manager) |
| 18 : frame_sink_id_(frame_sink_id), |
| 19 surface_manager_(surface_manager), |
| 20 surface_factory_(frame_sink_id, surface_manager, this) { |
| 21 surface_manager_->RegisterFrameSinkId(frame_sink_id_); |
| 22 surface_manager_->RegisterSurfaceFactoryClient(frame_sink_id_, this); |
| 23 } |
| 24 |
| 25 //////////////////////////////////////////////////////////////////////////////// |
| 26 // cc::SurfaceFactoryClient overrides: |
| 27 |
| 28 void ExoCompositorFrameSink::ReturnResources( |
| 29 const cc::ReturnedResourceArray& resources) { |
| 30 for (auto& resource : resources) { |
| 31 auto it = release_callbacks_.find(resource.id); |
| 32 DCHECK(it != release_callbacks_.end()); |
| 33 it->second.second->Run(resource.sync_token, resource.lost); |
| 34 release_callbacks_.erase(it); |
| 35 } |
| 36 } |
| 37 |
| 38 void ExoCompositorFrameSink::WillDrawSurface(const cc::LocalFrameId& id, |
| 39 const gfx::Rect& damage_rect) {} |
| 40 |
| 41 void ExoCompositorFrameSink::SetBeginFrameSource( |
| 42 cc::BeginFrameSource* begin_frame_source) { |
| 43 if (begin_frame_source_ && added_frame_observer_) { |
| 44 begin_frame_source_->RemoveObserver(this); |
| 45 added_frame_observer_ = false; |
| 46 } |
| 47 begin_frame_source_ = begin_frame_source; |
| 48 UpdateNeedsBeginFrameInternal(); |
| 49 } |
| 50 |
| 51 //////////////////////////////////////////////////////////////////////////////// |
| 52 // To be cc::mojom::MojoCompositorFrameSink overrides: |
| 53 |
| 54 void ExoCompositorFrameSink::SubmitCompositorFrame(cc::CompositorFrame frame) { |
| 55 cc::LocalFrameId old_local_frame_id = local_frame_id_; |
| 56 if (!local_frame_id_.is_valid() /* || needs_commit_to_new_surface_*/) { |
| 57 local_frame_id_ = id_allocator_.GenerateId(); |
| 58 surface_factory_.Create(local_frame_id_); |
| 59 } |
| 60 // UpdateSurface(true); // surface_factory.SubmitCompositorFrame happens here |
| 61 surface_factory_.SubmitCompositorFrame(local_frame_id_, std::move(frame), |
| 62 cc::SurfaceFactory::DrawCallback()); |
| 63 if (old_local_frame_id.is_valid() && old_local_frame_id != local_frame_id_) { |
| 64 surface_factory_.SetPreviousFrameSurface(local_frame_id_, |
| 65 old_local_frame_id); |
| 66 surface_factory_.Destroy(old_local_frame_id); |
| 67 } |
| 68 } |
| 69 |
| 70 //////////////////////////////////////////////////////////////////////////////// |
| 71 // cc::BeginFrameObserver overrides: |
| 72 |
| 73 void ExoCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) { |
| 74 UpdateNeedsBeginFrameInternal(); |
| 75 last_begin_frame_args_ = args; |
| 76 } |
| 77 |
| 78 const cc::BeginFrameArgs& ExoCompositorFrameSink::LastUsedBeginFrameArgs() |
| 79 const { |
| 80 return last_begin_frame_args_; |
| 81 } |
| 82 |
| 83 void ExoCompositorFrameSink::OnBeginFrameSourcePausedChanged(bool paused) {} |
| 84 |
| 85 //////////////////////////////////////////////////////////////////////////////// |
| 86 // ExoComopositorFrameSink, private: |
| 87 |
| 88 ExoCompositorFrameSink::~ExoCompositorFrameSink() { |
| 89 if (surface_factory_.manager()) |
| 90 surface_factory_.manager()->InvalidateFrameSinkId(frame_sink_id_); |
| 91 |
| 92 surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id()); |
| 93 } |
| 94 |
| 95 void ExoCompositorFrameSink::UpdateNeedsBeginFrameInternal() { |
| 96 if (!begin_frame_source_) |
| 97 return; |
| 98 |
| 99 if (needs_begin_frame_ == added_frame_observer_) |
| 100 return; |
| 101 |
| 102 added_frame_observer_ = needs_begin_frame_; |
| 103 if (needs_begin_frame_) |
| 104 begin_frame_source_->AddObserver(this); |
| 105 else |
| 106 begin_frame_source_->RemoveObserver(this); |
| 107 } |
| 108 |
| 109 void ExoCompositorFrameSink::DidRecieveCompositorFrameAck() { |
| 110 // TODO(staraz): Clean up resources |
| 111 ack_pending_count_--; |
| 112 } |
| 113 |
| 114 } // namespace exo |
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