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// Copyright 2014 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 "cc/layers/surface_layer.h"
#include <stdint.h>
#include "base/trace_event/trace_event.h"
#include "cc/layers/surface_layer_impl.h"
#include "cc/trees/layer_tree_host.h"
namespace cc {
scoped_refptr<SurfaceLayer> SurfaceLayer::Create() {
return base::WrapRefCounted(new SurfaceLayer());
}
scoped_refptr<SurfaceLayer> SurfaceLayer::Create(
UpdateSubmissionStateCB update_submission_state_callback) {
return base::WrapRefCounted(
new SurfaceLayer(std::move(update_submission_state_callback)));
}
SurfaceLayer::SurfaceLayer() = default;
SurfaceLayer::SurfaceLayer(
UpdateSubmissionStateCB update_submission_state_callback)
: update_submission_state_callback_(
std::move(update_submission_state_callback)) {}
SurfaceLayer::~SurfaceLayer() {
DCHECK(!layer_tree_host());
}
void SurfaceLayer::SetSurfaceId(const viz::SurfaceId& surface_id,
const DeadlinePolicy& deadline_policy) {
if (surface_range_.end() == surface_id &&
deadline_policy.use_existing_deadline()) {
return;
}
if (surface_id.local_surface_id().is_valid()) {
TRACE_EVENT_WITH_FLOW2(
TRACE_DISABLED_BY_DEFAULT("viz.surface_id_flow"),
"LocalSurfaceId.Embed.Flow",
TRACE_ID_GLOBAL(surface_id.local_surface_id().embed_trace_id()),
TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT, "step",
"SetSurfaceId", "surface_id", surface_id.ToString());
}
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->RemoveSurfaceRange(surface_range_);
surface_range_ = viz::SurfaceRange(surface_range_.start(), surface_id);
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->AddSurfaceRange(surface_range_);
// We should never block or set a deadline on an invalid
// |surface_range_|.
if (!surface_range_.IsValid()) {
deadline_in_frames_ = 0u;
} else if (!deadline_policy.use_existing_deadline()) {
deadline_in_frames_ = deadline_policy.deadline_in_frames();
}
UpdateDrawsContent(HasDrawableContent());
SetNeedsCommit();
}
void SurfaceLayer::SetOldestAcceptableFallback(
const viz::SurfaceId& surface_id) {
// The fallback should never move backwards.
DCHECK(!surface_range_.start() ||
!surface_range_.start()->IsNewerThan(surface_id));
if (surface_range_.start() == surface_id)
return;
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->RemoveSurfaceRange(surface_range_);
surface_range_ = viz::SurfaceRange(
surface_id.is_valid() ? base::Optional<viz::SurfaceId>(surface_id)
: base::nullopt,
surface_range_.end());
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->AddSurfaceRange(surface_range_);
SetNeedsCommit();
}
void SurfaceLayer::SetStretchContentToFillBounds(
bool stretch_content_to_fill_bounds) {
if (stretch_content_to_fill_bounds_ == stretch_content_to_fill_bounds)
return;
stretch_content_to_fill_bounds_ = stretch_content_to_fill_bounds;
SetNeedsPushProperties();
}
void SurfaceLayer::SetSurfaceHitTestable(bool surface_hit_testable) {
if (surface_hit_testable_ == surface_hit_testable)
return;
surface_hit_testable_ = surface_hit_testable;
}
void SurfaceLayer::SetHasPointerEventsNone(bool has_pointer_events_none) {
if (has_pointer_events_none_ == has_pointer_events_none)
return;
has_pointer_events_none_ = has_pointer_events_none;
SetNeedsPushProperties();
// Change of pointer-events property triggers an update of viz hit test data,
// we need to commit in order to submit the new data with compositor frame.
SetNeedsCommit();
}
void SurfaceLayer::SetIsReflection(bool is_reflection) {
is_reflection_ = true;
}
void SurfaceLayer::SetMayContainVideo(bool may_contain_video) {
may_contain_video_ = may_contain_video;
}
std::unique_ptr<LayerImpl> SurfaceLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
auto layer_impl = SurfaceLayerImpl::Create(tree_impl, id(),
update_submission_state_callback_);
layer_impl->set_may_contain_video(may_contain_video_);
return layer_impl;
}
bool SurfaceLayer::HasDrawableContent() const {
return surface_range_.IsValid() && Layer::HasDrawableContent();
}
void SurfaceLayer::SetLayerTreeHost(LayerTreeHost* host) {
if (layer_tree_host() == host) {
return;
}
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->RemoveSurfaceRange(surface_range_);
Layer::SetLayerTreeHost(host);
if (layer_tree_host() && surface_range_.IsValid())
layer_tree_host()->AddSurfaceRange(surface_range_);
}
void SurfaceLayer::PushPropertiesTo(LayerImpl* layer) {
Layer::PushPropertiesTo(layer);
TRACE_EVENT0("cc", "SurfaceLayer::PushPropertiesTo");
SurfaceLayerImpl* layer_impl = static_cast<SurfaceLayerImpl*>(layer);
layer_impl->SetRange(surface_range_, std::move(deadline_in_frames_));
// Unless the client explicitly calls SetSurfaceId again after this
// commit, don't block on |surface_range_| again.
deadline_in_frames_ = 0u;
layer_impl->SetIsReflection(is_reflection_);
layer_impl->SetStretchContentToFillBounds(stretch_content_to_fill_bounds_);
layer_impl->SetSurfaceHitTestable(surface_hit_testable_);
layer_impl->SetHasPointerEventsNone(has_pointer_events_none_);
}
} // namespace cc
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