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// 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 "content/browser/renderer_host/embedded_frame_sink_impl.h"
#include <memory>
#include <utility>
#include "components/viz/common/features.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "components/viz/service/surfaces/surface_manager.h"
#include "content/browser/compositor/surface_utils.h"
namespace content {
EmbeddedFrameSinkImpl::EmbeddedFrameSinkImpl(
viz::HostFrameSinkManager* host_frame_sink_manager,
const viz::FrameSinkId& parent_frame_sink_id,
const viz::FrameSinkId& frame_sink_id,
blink::mojom::EmbeddedFrameSinkClientPtr client,
DestroyCallback destroy_callback)
: host_frame_sink_manager_(host_frame_sink_manager),
client_(std::move(client)),
parent_frame_sink_id_(parent_frame_sink_id),
frame_sink_id_(frame_sink_id) {
client_.set_connection_error_handler(std::move(destroy_callback));
host_frame_sink_manager_->RegisterFrameSinkId(frame_sink_id_, this);
host_frame_sink_manager_->SetFrameSinkDebugLabel(frame_sink_id_,
"EmbeddedFrameSinkImpl");
}
EmbeddedFrameSinkImpl::~EmbeddedFrameSinkImpl() {
if (has_created_compositor_frame_sink_) {
host_frame_sink_manager_->UnregisterFrameSinkHierarchy(
parent_frame_sink_id_, frame_sink_id_);
}
host_frame_sink_manager_->InvalidateFrameSinkId(frame_sink_id_);
}
void EmbeddedFrameSinkImpl::CreateCompositorFrameSink(
viz::mojom::CompositorFrameSinkClientPtr client,
viz::mojom::CompositorFrameSinkRequest request) {
// We might recreate the CompositorFrameSink on context loss or GPU crash.
// Only register frame sink hierarchy the first time.
if (!has_created_compositor_frame_sink_) {
// The request to create an embedded frame sink and the lifetime of the
// parent are controlled by different IPC channels. It's possible the parent
// FrameSinkId has been invalidated by the time this request has arrived. In
// that case, drop the request since there is no embedder.
if (!host_frame_sink_manager_->RegisterFrameSinkHierarchy(
parent_frame_sink_id_, frame_sink_id_)) {
return;
}
}
host_frame_sink_manager_->CreateCompositorFrameSink(
frame_sink_id_, std::move(request), std::move(client));
has_created_compositor_frame_sink_ = true;
}
void EmbeddedFrameSinkImpl::OnFirstSurfaceActivation(
const viz::SurfaceInfo& surface_info) {
DCHECK_EQ(surface_info.id().frame_sink_id(), frame_sink_id_);
local_surface_id_ = surface_info.id().local_surface_id();
if (client_)
client_->OnFirstSurfaceActivation(surface_info);
}
void EmbeddedFrameSinkImpl::OnFrameTokenChanged(uint32_t frame_token) {
// TODO(yiyix, fsamuel): To complete plumbing of frame tokens for offscreen
// canvas
}
} // namespace content
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