| Index: components/exo/compositor_frame_sink_holder.cc
|
| diff --git a/components/exo/compositor_frame_sink_holder.cc b/components/exo/compositor_frame_sink_holder.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..741944239d35994405c0075dd4425983c58f01de
|
| --- /dev/null
|
| +++ b/components/exo/compositor_frame_sink_holder.cc
|
| @@ -0,0 +1,132 @@
|
| +// 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(
|
| + cc::mojom::MojoCompositorFrameSinkPtr compositor_frame_sink,
|
| + base::WeakPtr<Surface> surface,
|
| + cc::mojom::MojoCompositorFrameSinkClientRequest request)
|
| + : compositor_frame_sink_(std::move(compositor_frame_sink)),
|
| + surface_(surface),
|
| + begin_frame_source_(base::MakeUnique<cc::ExternalBeginFrameSource>(this)),
|
| + binding_(this, std::move(request)) {}
|
| +
|
| +bool CompositorFrameSinkHolder::HasReleaseCallbacks(cc::ResourceId id) {
|
| + return release_callbacks_.count(id);
|
| +}
|
| +
|
| +bool CompositorFrameSinkHolder::IsReleaseCallbacksEmpty() {
|
| + return release_callbacks_.size() == 0;
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::AddResourceReleaseCallback(
|
| + cc::ResourceId id,
|
| + std::unique_ptr<cc::SingleReleaseCallback> callback) {
|
| + release_callbacks_[id] = std::make_pair(this, std::move(callback));
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::ActivateFrameCallbacks(
|
| + std::list<FrameCallback>& frame_callbacks) {
|
| + active_frame_callbacks_.splice(active_frame_callbacks_.end(),
|
| + frame_callbacks);
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::CancelFrameCallbacks() {
|
| + // Call pending frame callbacks with a null frame time to indicate that they
|
| + // have been cancelled.
|
| + for (const auto& frame_callback : active_frame_callbacks_)
|
| + frame_callback.Run(base::TimeTicks());
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::EvictFrame() {
|
| + compositor_frame_sink_->EvictFrame();
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::UpdateNeedsBeginFrame() {
|
| + if (!begin_frame_source_)
|
| + return;
|
| +
|
| + bool needs_begin_frame = !active_frame_callbacks_.empty();
|
| + if (needs_begin_frame == needs_begin_frame_)
|
| + return;
|
| +
|
| + needs_begin_frame_ = needs_begin_frame;
|
| + OnNeedsBeginFrames(needs_begin_frame_);
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::SetNeedsBeginFrame(bool needs_begin_frame) {
|
| + needs_begin_frame_ = needs_begin_frame;
|
| + OnNeedsBeginFrames(needs_begin_frame);
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::SubmitCompositorFrame(
|
| + const cc::LocalFrameId& local_frame_id,
|
| + cc::CompositorFrame frame) {
|
| + if (compositor_frame_sink_) {
|
| + compositor_frame_sink_->SubmitCompositorFrame(local_frame_id,
|
| + std::move(frame));
|
| + }
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// cc::mojom::MojoCompositorFrameSinkClient overrides:
|
| +
|
| +void CompositorFrameSinkHolder::DidReceiveCompositorFrameAck() {
|
| + // TODO(staraz): Implement this
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::OnBeginFrame(const cc::BeginFrameArgs& args) {
|
| + while (!active_frame_callbacks_.empty()) {
|
| + active_frame_callbacks_.front().Run(args.frame_time);
|
| + active_frame_callbacks_.pop_front();
|
| + }
|
| + begin_frame_source_->OnBeginFrame(args);
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::ReclaimResources(
|
| + const cc::ReturnedResourceArray& resources) {
|
| + scoped_refptr<CompositorFrameSinkHolder> holder(this);
|
| + 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);
|
| + }
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// cc::BeginFrameObserver:
|
| +const cc::BeginFrameArgs& CompositorFrameSinkHolder::LastUsedBeginFrameArgs()
|
| + const {
|
| + return last_begin_frame_args_;
|
| +}
|
| +
|
| +void CompositorFrameSinkHolder::OnBeginFrameSourcePausedChanged(bool paused) {}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// ExoComopositorFrameSink, private:
|
| +
|
| +CompositorFrameSinkHolder::~CompositorFrameSinkHolder() {}
|
| +
|
| +void CompositorFrameSinkHolder::WillDrawSurface() {
|
| + if (surface_)
|
| + surface_->WillDraw();
|
| +
|
| + UpdateNeedsBeginFrame();
|
| +}
|
| +
|
| +////////////////////////////////////////////////////////////////////////////////
|
| +// cc::ExternalBeginFrameSouceClient:
|
| +void CompositorFrameSinkHolder::OnNeedsBeginFrames(bool needs_begin_frames) {
|
| + compositor_frame_sink_->SetNeedsBeginFrame(needs_begin_frames);
|
| +}
|
| +} // namespace exo
|
|
|