1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/layers/surface_layer.h"
6
7 #include <stdint.h>
8
9 #include "base/trace_event/trace_event.h"
10 #include "cc/layers/surface_layer_impl.h"
11 #include "cc/trees/layer_tree_host.h"
12
13 namespace cc {
14
Create()15 scoped_refptr<SurfaceLayer> SurfaceLayer::Create() {
16 return base::WrapRefCounted(new SurfaceLayer());
17 }
18
Create(UpdateSubmissionStateCB update_submission_state_callback)19 scoped_refptr<SurfaceLayer> SurfaceLayer::Create(
20 UpdateSubmissionStateCB update_submission_state_callback) {
21 return base::WrapRefCounted(
22 new SurfaceLayer(std::move(update_submission_state_callback)));
23 }
24
25 SurfaceLayer::SurfaceLayer() = default;
26
SurfaceLayer(UpdateSubmissionStateCB update_submission_state_callback)27 SurfaceLayer::SurfaceLayer(
28 UpdateSubmissionStateCB update_submission_state_callback)
29 : update_submission_state_callback_(
30 std::move(update_submission_state_callback)) {}
31
~SurfaceLayer()32 SurfaceLayer::~SurfaceLayer() {
33 DCHECK(!layer_tree_host());
34 }
35
SetSurfaceId(const viz::SurfaceId & surface_id,const DeadlinePolicy & deadline_policy)36 void SurfaceLayer::SetSurfaceId(const viz::SurfaceId& surface_id,
37 const DeadlinePolicy& deadline_policy) {
38 if (surface_range_.end() == surface_id &&
39 deadline_policy.use_existing_deadline()) {
40 return;
41 }
42 if (surface_id.local_surface_id().is_valid()) {
43 TRACE_EVENT_WITH_FLOW2(
44 TRACE_DISABLED_BY_DEFAULT("viz.surface_id_flow"),
45 "LocalSurfaceId.Embed.Flow",
46 TRACE_ID_GLOBAL(surface_id.local_surface_id().embed_trace_id()),
47 TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT, "step",
48 "SetSurfaceId", "surface_id", surface_id.ToString());
49 }
50
51 if (layer_tree_host() && surface_range_.IsValid())
52 layer_tree_host()->RemoveSurfaceRange(surface_range_);
53
54 surface_range_ = viz::SurfaceRange(surface_range_.start(), surface_id);
55
56 if (layer_tree_host() && surface_range_.IsValid())
57 layer_tree_host()->AddSurfaceRange(surface_range_);
58
59 // We should never block or set a deadline on an invalid
60 // |surface_range_|.
61 if (!surface_range_.IsValid()) {
62 deadline_in_frames_ = 0u;
63 } else if (!deadline_policy.use_existing_deadline()) {
64 deadline_in_frames_ = deadline_policy.deadline_in_frames();
65 }
66 UpdateDrawsContent(HasDrawableContent());
67 SetNeedsCommit();
68 }
69
SetOldestAcceptableFallback(const viz::SurfaceId & surface_id)70 void SurfaceLayer::SetOldestAcceptableFallback(
71 const viz::SurfaceId& surface_id) {
72 // The fallback should never move backwards.
73 DCHECK(!surface_range_.start() ||
74 !surface_range_.start()->IsNewerThan(surface_id));
75 if (surface_range_.start() == surface_id)
76 return;
77
78 if (layer_tree_host() && surface_range_.IsValid())
79 layer_tree_host()->RemoveSurfaceRange(surface_range_);
80
81 surface_range_ = viz::SurfaceRange(
82 surface_id.is_valid() ? base::Optional<viz::SurfaceId>(surface_id)
83 : base::nullopt,
84 surface_range_.end());
85
86 if (layer_tree_host() && surface_range_.IsValid())
87 layer_tree_host()->AddSurfaceRange(surface_range_);
88
89 SetNeedsCommit();
90 }
91
SetStretchContentToFillBounds(bool stretch_content_to_fill_bounds)92 void SurfaceLayer::SetStretchContentToFillBounds(
93 bool stretch_content_to_fill_bounds) {
94 if (stretch_content_to_fill_bounds_ == stretch_content_to_fill_bounds)
95 return;
96 stretch_content_to_fill_bounds_ = stretch_content_to_fill_bounds;
97 SetNeedsPushProperties();
98 }
99
SetSurfaceHitTestable(bool surface_hit_testable)100 void SurfaceLayer::SetSurfaceHitTestable(bool surface_hit_testable) {
101 if (surface_hit_testable_ == surface_hit_testable)
102 return;
103 surface_hit_testable_ = surface_hit_testable;
104 }
105
SetHasPointerEventsNone(bool has_pointer_events_none)106 void SurfaceLayer::SetHasPointerEventsNone(bool has_pointer_events_none) {
107 if (has_pointer_events_none_ == has_pointer_events_none)
108 return;
109 has_pointer_events_none_ = has_pointer_events_none;
110 SetNeedsPushProperties();
111 // Change of pointer-events property triggers an update of viz hit test data,
112 // we need to commit in order to submit the new data with compositor frame.
113 SetNeedsCommit();
114 }
115
SetIsReflection(bool is_reflection)116 void SurfaceLayer::SetIsReflection(bool is_reflection) {
117 is_reflection_ = true;
118 }
119
SetMayContainVideo(bool may_contain_video)120 void SurfaceLayer::SetMayContainVideo(bool may_contain_video) {
121 may_contain_video_ = may_contain_video;
122 SetNeedsCommit();
123 }
124
CreateLayerImpl(LayerTreeImpl * tree_impl)125 std::unique_ptr<LayerImpl> SurfaceLayer::CreateLayerImpl(
126 LayerTreeImpl* tree_impl) {
127 auto layer_impl = SurfaceLayerImpl::Create(tree_impl, id(),
128 update_submission_state_callback_);
129 return layer_impl;
130 }
131
HasDrawableContent() const132 bool SurfaceLayer::HasDrawableContent() const {
133 return surface_range_.IsValid() && Layer::HasDrawableContent();
134 }
135
SetLayerTreeHost(LayerTreeHost * host)136 void SurfaceLayer::SetLayerTreeHost(LayerTreeHost* host) {
137 if (layer_tree_host() == host) {
138 return;
139 }
140 if (layer_tree_host() && surface_range_.IsValid())
141 layer_tree_host()->RemoveSurfaceRange(surface_range_);
142
143 Layer::SetLayerTreeHost(host);
144
145 if (layer_tree_host() && surface_range_.IsValid())
146 layer_tree_host()->AddSurfaceRange(surface_range_);
147 }
148
PushPropertiesTo(LayerImpl * layer)149 void SurfaceLayer::PushPropertiesTo(LayerImpl* layer) {
150 Layer::PushPropertiesTo(layer);
151 TRACE_EVENT0("cc", "SurfaceLayer::PushPropertiesTo");
152 SurfaceLayerImpl* layer_impl = static_cast<SurfaceLayerImpl*>(layer);
153 layer_impl->SetRange(surface_range_, std::move(deadline_in_frames_));
154 // Unless the client explicitly calls SetSurfaceId again after this
155 // commit, don't block on |surface_range_| again.
156 deadline_in_frames_ = 0u;
157 layer_impl->SetIsReflection(is_reflection_);
158 layer_impl->SetStretchContentToFillBounds(stretch_content_to_fill_bounds_);
159 layer_impl->SetSurfaceHitTestable(surface_hit_testable_);
160 layer_impl->SetHasPointerEventsNone(has_pointer_events_none_);
161 layer_impl->set_may_contain_video(may_contain_video_);
162 }
163
164 } // namespace cc
165