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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/service/frame_sinks/compositor_frame_sink_impl.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/containers/flat_set.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ref.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "components/viz/common/features.h"
#include "components/viz/service/frame_sinks/frame_sink_bundle_impl.h"
#include "components/viz/service/frame_sinks/frame_sink_manager_impl.h"
#include "services/viz/public/mojom/compositing/layer_context.mojom.h"
#include "ui/gfx/overlay_transform.h"
namespace viz {
namespace {
// Helper class which implements the CompositorFrameSinkClient interface so it
// can route CompositorFrameSinkSupport client messages to a local
// FrameSinkBundleImpl for batching, rather than having them go directly to the
// remote client.
class BundleClientProxy : public mojom::CompositorFrameSinkClient {
public:
BundleClientProxy(FrameSinkManagerImpl& manager,
FrameSinkId frame_sink_id,
FrameSinkBundleId bundle_id)
: manager_(manager),
frame_sink_id_(frame_sink_id),
bundle_id_(bundle_id) {}
BundleClientProxy(const BundleClientProxy&) = delete;
BundleClientProxy& operator=(const BundleClientProxy&) = delete;
~BundleClientProxy() override = default;
// mojom::CompositorFrameSinkClient implementation:
void DidReceiveCompositorFrameAck(
std::vector<ReturnedResource> resources) override {
if (auto* bundle = GetBundle()) {
bundle->EnqueueDidReceiveCompositorFrameAck(frame_sink_id_.sink_id(),
std::move(resources));
}
}
void OnBeginFrame(const BeginFrameArgs& args,
const FrameTimingDetailsMap& timing_details,
std::vector<ReturnedResource> resources) override {
if (auto* bundle = GetBundle()) {
bundle->EnqueueOnBeginFrame(frame_sink_id_.sink_id(), args,
timing_details, std::move(resources));
}
}
void ReclaimResources(std::vector<ReturnedResource> resources) override {
if (auto* bundle = GetBundle()) {
bundle->EnqueueReclaimResources(frame_sink_id_.sink_id(),
std::move(resources));
}
}
void OnBeginFramePausedChanged(bool paused) override {
if (auto* bundle = GetBundle()) {
bundle->SendOnBeginFramePausedChanged(frame_sink_id_.sink_id(), paused);
}
}
void OnCompositorFrameTransitionDirectiveProcessed(
uint32_t sequence_id) override {
if (auto* bundle = GetBundle()) {
bundle->SendOnCompositorFrameTransitionDirectiveProcessed(
frame_sink_id_.sink_id(), sequence_id);
}
}
void OnSurfaceEvicted(const LocalSurfaceId& local_surface_id) override {}
private:
FrameSinkBundleImpl* GetBundle() {
return manager_->GetFrameSinkBundle(bundle_id_);
}
const raw_ref<FrameSinkManagerImpl> manager_;
const FrameSinkId frame_sink_id_;
const FrameSinkBundleId bundle_id_;
};
} // namespace
CompositorFrameSinkImpl::CompositorFrameSinkImpl(
FrameSinkManagerImpl* frame_sink_manager,
const FrameSinkId& frame_sink_id,
std::optional<FrameSinkBundleId> bundle_id,
mojo::PendingReceiver<mojom::CompositorFrameSink> interface_receiver,
mojo::PendingRemote<mojom::CompositorFrameSinkClient> client)
: compositor_frame_sink_client_(std::move(client)),
proxying_client_(
bundle_id.has_value()
? std::make_unique<BundleClientProxy>(*frame_sink_manager,
frame_sink_id,
*bundle_id)
: nullptr),
compositor_frame_sink_receiver_(std::in_place_type<Receiver>, this),
support_(std::make_unique<CompositorFrameSinkSupport>(
proxying_client_ ? proxying_client_.get()
: compositor_frame_sink_client_.get(),
frame_sink_manager,
frame_sink_id,
false /* is_root */)) {
if (mojo::IsDirectReceiverSupported() &&
features::IsVizDirectCompositorThreadIpcNonRootEnabled()) {
compositor_frame_sink_receiver_.emplace<DirectReceiver>(
mojo::DirectReceiverKey{}, this);
}
std::visit(
[&](auto& receiver) {
receiver.Bind(std::move(interface_receiver));
receiver.set_disconnect_handler(
base::BindOnce(&CompositorFrameSinkImpl::OnClientConnectionLost,
base::Unretained(this)));
},
compositor_frame_sink_receiver_);
if (bundle_id.has_value()) {
support_->SetBundle(*bundle_id);
}
}
CompositorFrameSinkImpl::~CompositorFrameSinkImpl() = default;
void CompositorFrameSinkImpl::SetNeedsBeginFrame(bool needs_begin_frame) {
support_->SetNeedsBeginFrame(needs_begin_frame);
}
void CompositorFrameSinkImpl::SetWantsAnimateOnlyBeginFrames() {
support_->SetWantsAnimateOnlyBeginFrames();
}
void CompositorFrameSinkImpl::SetAutoNeedsBeginFrame() {
support_->SetAutoNeedsBeginFrame();
}
void CompositorFrameSinkImpl::SubmitCompositorFrame(
const LocalSurfaceId& local_surface_id,
CompositorFrame frame,
std::optional<HitTestRegionList> hit_test_region_list,
uint64_t submit_time) {
// Non-root surface frames should not have display transform hint.
DCHECK_EQ(gfx::OVERLAY_TRANSFORM_NONE, frame.metadata.display_transform_hint);
SubmitCompositorFrameInternal(local_surface_id, std::move(frame),
std::move(hit_test_region_list), submit_time,
SubmitCompositorFrameSyncCallback());
}
void CompositorFrameSinkImpl::SubmitCompositorFrameSync(
const LocalSurfaceId& local_surface_id,
CompositorFrame frame,
std::optional<HitTestRegionList> hit_test_region_list,
uint64_t submit_time,
SubmitCompositorFrameSyncCallback callback) {
SubmitCompositorFrameInternal(local_surface_id, std::move(frame),
std::move(hit_test_region_list), submit_time,
std::move(callback));
}
void CompositorFrameSinkImpl::SubmitCompositorFrameInternal(
const LocalSurfaceId& local_surface_id,
CompositorFrame frame,
std::optional<HitTestRegionList> hit_test_region_list,
uint64_t submit_time,
mojom::CompositorFrameSink::SubmitCompositorFrameSyncCallback callback) {
const auto result = support_->MaybeSubmitCompositorFrame(
local_surface_id, std::move(frame), std::move(hit_test_region_list),
submit_time, std::move(callback));
if (result == SubmitResult::ACCEPTED)
return;
const char* reason =
CompositorFrameSinkSupport::GetSubmitResultAsString(result);
DLOG(ERROR) << "SubmitCompositorFrame failed for " << local_surface_id
<< " because " << reason;
std::visit(
[&](auto& receiver) {
receiver.ResetWithReason(static_cast<uint32_t>(result), reason);
},
compositor_frame_sink_receiver_);
}
void CompositorFrameSinkImpl::DidNotProduceFrame(
const BeginFrameAck& begin_frame_ack) {
support_->DidNotProduceFrame(begin_frame_ack);
}
void CompositorFrameSinkImpl::NotifyNewLocalSurfaceIdExpectedWhilePaused() {
support_->NotifyNewLocalSurfaceIdExpectedWhilePaused();
}
void CompositorFrameSinkImpl::BindLayerContext(
mojom::PendingLayerContextPtr context,
bool draw_mode_is_gpu) {
support_->BindLayerContext(*context, draw_mode_is_gpu);
}
#if BUILDFLAG(IS_ANDROID)
void CompositorFrameSinkImpl::SetThreads(const std::vector<Thread>& threads) {
support_->SetThreads(/*from_untrusted_client=*/true, threads);
}
#endif
void CompositorFrameSinkImpl::OnClientConnectionLost() {
// The client that owns this CompositorFrameSink is either shutting down or
// has done something invalid and the connection to the client was terminated.
// Destroy |this| to free up resources as it's no longer useful.
FrameSinkId frame_sink_id = support_->frame_sink_id();
support_->frame_sink_manager()->DestroyCompositorFrameSink(frame_sink_id,
base::DoNothing());
}
} // namespace viz
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