| // 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/layer_tree_frame_sink_holder.h" |
| |
| #include "cc/output/layer_tree_frame_sink.h" |
| #include "components/exo/surface_tree_host.h" |
| #include "components/viz/common/resources/returned_resource.h" |
| |
| namespace exo { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // LayerTreeFrameSinkHolder, public: |
| |
| LayerTreeFrameSinkHolder::LayerTreeFrameSinkHolder( |
| SurfaceTreeHost* surface_tree_host, |
| std::unique_ptr<cc::LayerTreeFrameSink> frame_sink) |
| : surface_tree_host_(surface_tree_host), |
| frame_sink_(std::move(frame_sink)), |
| weak_factory_(this) { |
| frame_sink_->BindToClient(this); |
| } |
| |
| LayerTreeFrameSinkHolder::~LayerTreeFrameSinkHolder() { |
| frame_sink_->DetachFromClient(); |
| |
| // Release all resources which aren't returned from LayerTreeFrameSink. |
| for (auto& callback : release_callbacks_) |
| callback.second.Run(gpu::SyncToken(), false); |
| } |
| |
| bool LayerTreeFrameSinkHolder::HasReleaseCallbackForResource( |
| viz::ResourceId id) { |
| return release_callbacks_.find(id) != release_callbacks_.end(); |
| } |
| |
| void LayerTreeFrameSinkHolder::SetResourceReleaseCallback( |
| viz::ResourceId id, |
| const viz::ReleaseCallback& callback) { |
| DCHECK(!callback.is_null()); |
| release_callbacks_[id] = callback; |
| } |
| |
| int LayerTreeFrameSinkHolder::AllocateResourceId() { |
| return next_resource_id_++; |
| } |
| |
| base::WeakPtr<LayerTreeFrameSinkHolder> LayerTreeFrameSinkHolder::GetWeakPtr() { |
| return weak_factory_.GetWeakPtr(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // cc::LayerTreeFrameSinkClient overrides: |
| |
| void LayerTreeFrameSinkHolder::SetBeginFrameSource( |
| viz::BeginFrameSource* source) { |
| if (surface_tree_host_) |
| surface_tree_host_->SetBeginFrameSource(source); |
| } |
| |
| void LayerTreeFrameSinkHolder::ReclaimResources( |
| const std::vector<viz::ReturnedResource>& 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); |
| } |
| } |
| } |
| |
| void LayerTreeFrameSinkHolder::DidReceiveCompositorFrameAck() { |
| surface_tree_host_->DidReceiveCompositorFrameAck(); |
| } |
| |
| } // namespace exo |