| Index: components/exo/exo_compositor_frame_sink.cc
|
| diff --git a/components/exo/exo_compositor_frame_sink.cc b/components/exo/exo_compositor_frame_sink.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..ae690fef08e9a662199660fd75ee69bb98cadf1d
|
| --- /dev/null
|
| +++ b/components/exo/exo_compositor_frame_sink.cc
|
| @@ -0,0 +1,114 @@
|
| +// 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/exo_compositor_frame_sink.h"
|
| +
|
| +#include "cc/surfaces/surface_manager.h"
|
| +#include "ui/aura/env.h"
|
| +
|
| +namespace exo {
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// ExoComopositorFrameSink, public:
|
| +
|
| +ExoCompositorFrameSink::ExoCompositorFrameSink(
|
| + const cc::FrameSinkId& frame_sink_id,
|
| + cc::SurfaceManager* surface_manager)
|
| + : frame_sink_id_(frame_sink_id),
|
| + surface_manager_(surface_manager),
|
| + surface_factory_(frame_sink_id, surface_manager, this) {
|
| + surface_manager_->RegisterFrameSinkId(frame_sink_id_);
|
| + surface_manager_->RegisterSurfaceFactoryClient(frame_sink_id_, this);
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// cc::SurfaceFactoryClient overrides:
|
| +
|
| +void ExoCompositorFrameSink::ReturnResources(
|
| + const cc::ReturnedResourceArray& resources) {
|
| + for (auto& resource : resources) {
|
| + auto it = release_callbacks_.find(resource.id);
|
| + DCHECK(it != release_callbacks_.end());
|
| + it->second.second->Run(resource.sync_token, resource.lost);
|
| + release_callbacks_.erase(it);
|
| + }
|
| +}
|
| +
|
| +void ExoCompositorFrameSink::WillDrawSurface(const cc::LocalFrameId& id,
|
| + const gfx::Rect& damage_rect) {}
|
| +
|
| +void ExoCompositorFrameSink::SetBeginFrameSource(
|
| + cc::BeginFrameSource* begin_frame_source) {
|
| + if (begin_frame_source_ && added_frame_observer_) {
|
| + begin_frame_source_->RemoveObserver(this);
|
| + added_frame_observer_ = false;
|
| + }
|
| + begin_frame_source_ = begin_frame_source;
|
| + UpdateNeedsBeginFrameInternal();
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// To be cc::mojom::MojoCompositorFrameSink overrides:
|
| +
|
| +void ExoCompositorFrameSink::SubmitCompositorFrame(cc::CompositorFrame frame) {
|
| + cc::LocalFrameId old_local_frame_id = local_frame_id_;
|
| + if (!local_frame_id_.is_valid() /* || needs_commit_to_new_surface_*/) {
|
| + local_frame_id_ = id_allocator_.GenerateId();
|
| + surface_factory_.Create(local_frame_id_);
|
| + }
|
| + // UpdateSurface(true); // surface_factory.SubmitCompositorFrame happens here
|
| + surface_factory_.SubmitCompositorFrame(local_frame_id_, std::move(frame),
|
| + cc::SurfaceFactory::DrawCallback());
|
| + if (old_local_frame_id.is_valid() && old_local_frame_id != local_frame_id_) {
|
| + surface_factory_.SetPreviousFrameSurface(local_frame_id_,
|
| + old_local_frame_id);
|
| + surface_factory_.Destroy(old_local_frame_id);
|
| + }
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// cc::BeginFrameObserver overrides:
|
| +
|
| +void ExoCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) {
|
| + UpdateNeedsBeginFrameInternal();
|
| + last_begin_frame_args_ = args;
|
| +}
|
| +
|
| +const cc::BeginFrameArgs& ExoCompositorFrameSink::LastUsedBeginFrameArgs()
|
| + const {
|
| + return last_begin_frame_args_;
|
| +}
|
| +
|
| +void ExoCompositorFrameSink::OnBeginFrameSourcePausedChanged(bool paused) {}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// ExoComopositorFrameSink, private:
|
| +
|
| +ExoCompositorFrameSink::~ExoCompositorFrameSink() {
|
| + if (surface_factory_.manager())
|
| + surface_factory_.manager()->InvalidateFrameSinkId(frame_sink_id_);
|
| +
|
| + surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id());
|
| +}
|
| +
|
| +void ExoCompositorFrameSink::UpdateNeedsBeginFrameInternal() {
|
| + if (!begin_frame_source_)
|
| + return;
|
| +
|
| + if (needs_begin_frame_ == added_frame_observer_)
|
| + return;
|
| +
|
| + added_frame_observer_ = needs_begin_frame_;
|
| + if (needs_begin_frame_)
|
| + begin_frame_source_->AddObserver(this);
|
| + else
|
| + begin_frame_source_->RemoveObserver(this);
|
| +}
|
| +
|
| +void ExoCompositorFrameSink::DidRecieveCompositorFrameAck() {
|
| + // TODO(staraz): Clean up resources
|
| + ack_pending_count_--;
|
| +}
|
| +
|
| +} // namespace exo
|
|
|