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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/surfaces/display.h" | |
6 | |
7 #include "base/message_loop/message_loop.h" | |
8 #include "base/trace_event/trace_event.h" | |
9 #include "cc/output/compositor_frame.h" | |
10 #include "cc/output/compositor_frame_ack.h" | |
11 #include "cc/output/direct_renderer.h" | |
12 #include "cc/output/gl_renderer.h" | |
13 #include "cc/output/renderer_settings.h" | |
14 #include "cc/output/software_renderer.h" | |
15 #include "cc/resources/texture_mailbox_deleter.h" | |
16 #include "cc/surfaces/display_client.h" | |
17 #include "cc/surfaces/surface.h" | |
18 #include "cc/surfaces/surface_aggregator.h" | |
19 #include "cc/surfaces/surface_manager.h" | |
20 | |
21 namespace cc { | |
22 | |
23 Display::Display(DisplayClient* client, | |
24 SurfaceManager* manager, | |
25 SharedBitmapManager* bitmap_manager, | |
26 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
27 const RendererSettings& settings) | |
28 : client_(client), | |
29 manager_(manager), | |
30 bitmap_manager_(bitmap_manager), | |
31 gpu_memory_buffer_manager_(gpu_memory_buffer_manager), | |
32 settings_(settings), | |
33 device_scale_factor_(1.f), | |
34 texture_mailbox_deleter_( | |
35 new TextureMailboxDeleter(base::MessageLoopProxy::current())) { | |
36 manager_->AddObserver(this); | |
37 } | |
38 | |
39 Display::~Display() { | |
40 manager_->RemoveObserver(this); | |
41 if (aggregator_) { | |
42 for (const auto& id_entry : aggregator_->previous_contained_surfaces()) { | |
43 Surface* surface = manager_->GetSurfaceForId(id_entry.first); | |
44 if (surface) | |
45 surface->RunDrawCallbacks(SurfaceDrawStatus::DRAW_SKIPPED); | |
46 } | |
47 } | |
48 } | |
49 | |
50 bool Display::Initialize(scoped_ptr<OutputSurface> output_surface) { | |
51 output_surface_ = output_surface.Pass(); | |
52 return output_surface_->BindToClient(this); | |
53 } | |
54 | |
55 void Display::SetSurfaceId(SurfaceId id, float device_scale_factor) { | |
56 current_surface_id_ = id; | |
57 device_scale_factor_ = device_scale_factor; | |
58 client_->DisplayDamaged(); | |
59 } | |
60 | |
61 void Display::Resize(const gfx::Size& size) { | |
62 if (size == current_surface_size_) | |
63 return; | |
64 // Need to ensure all pending swaps have executed before the window is | |
65 // resized, or D3D11 will scale the swap output. | |
66 if (renderer_ && settings_.finish_rendering_on_resize) | |
67 renderer_->Finish(); | |
68 current_surface_size_ = size; | |
69 client_->DisplayDamaged(); | |
70 } | |
71 | |
72 void Display::InitializeRenderer() { | |
73 if (resource_provider_) | |
74 return; | |
75 | |
76 scoped_ptr<ResourceProvider> resource_provider = ResourceProvider::Create( | |
77 output_surface_.get(), bitmap_manager_, gpu_memory_buffer_manager_, | |
78 nullptr, settings_.highp_threshold_min, settings_.use_rgba_4444_textures, | |
79 settings_.texture_id_allocation_chunk_size); | |
80 if (!resource_provider) | |
81 return; | |
82 | |
83 if (output_surface_->context_provider()) { | |
84 scoped_ptr<GLRenderer> renderer = GLRenderer::Create( | |
85 this, &settings_, output_surface_.get(), resource_provider.get(), | |
86 texture_mailbox_deleter_.get(), settings_.highp_threshold_min); | |
87 if (!renderer) | |
88 return; | |
89 renderer_ = renderer.Pass(); | |
90 } else { | |
91 scoped_ptr<SoftwareRenderer> renderer = SoftwareRenderer::Create( | |
92 this, &settings_, output_surface_.get(), resource_provider.get()); | |
93 if (!renderer) | |
94 return; | |
95 renderer_ = renderer.Pass(); | |
96 } | |
97 | |
98 resource_provider_ = resource_provider.Pass(); | |
99 aggregator_.reset(new SurfaceAggregator(manager_, resource_provider_.get())); | |
100 } | |
101 | |
102 void Display::DidLoseOutputSurface() { | |
103 client_->OutputSurfaceLost(); | |
104 } | |
105 | |
106 bool Display::Draw() { | |
107 if (current_surface_id_.is_null()) | |
108 return false; | |
109 | |
110 InitializeRenderer(); | |
111 if (!output_surface_) | |
112 return false; | |
113 | |
114 // TODO(skyostil): We should hold a BlockingTaskRunner::CapturePostTasks | |
115 // while Aggregate is called to immediately run release callbacks afterward. | |
116 scoped_ptr<CompositorFrame> frame = | |
117 aggregator_->Aggregate(current_surface_id_); | |
118 if (!frame) | |
119 return false; | |
120 | |
121 TRACE_EVENT0("cc", "Display::Draw"); | |
122 | |
123 // Run callbacks early to allow pipelining. | |
124 for (const auto& id_entry : aggregator_->previous_contained_surfaces()) { | |
125 Surface* surface = manager_->GetSurfaceForId(id_entry.first); | |
126 if (surface) | |
127 surface->RunDrawCallbacks(SurfaceDrawStatus::DRAWN); | |
128 } | |
129 DelegatedFrameData* frame_data = frame->delegated_frame_data.get(); | |
130 | |
131 frame->metadata.latency_info.insert(frame->metadata.latency_info.end(), | |
132 stored_latency_info_.begin(), | |
133 stored_latency_info_.end()); | |
134 stored_latency_info_.clear(); | |
135 bool have_copy_requests = false; | |
136 for (const auto* pass : frame_data->render_pass_list) { | |
137 have_copy_requests |= !pass->copy_requests.empty(); | |
138 } | |
139 | |
140 gfx::Size surface_size; | |
141 bool have_damage = false; | |
142 if (!frame_data->render_pass_list.empty()) { | |
143 surface_size = frame_data->render_pass_list.back()->output_rect.size(); | |
144 have_damage = | |
145 !frame_data->render_pass_list.back()->damage_rect.size().IsEmpty(); | |
146 } | |
147 bool avoid_swap = surface_size != current_surface_size_; | |
148 bool should_draw = !frame->metadata.latency_info.empty() || | |
149 have_copy_requests || (have_damage && !avoid_swap); | |
150 | |
151 if (should_draw) { | |
152 gfx::Rect device_viewport_rect = gfx::Rect(current_surface_size_); | |
153 gfx::Rect device_clip_rect = device_viewport_rect; | |
154 bool disable_picture_quad_image_filtering = false; | |
155 | |
156 renderer_->DecideRenderPassAllocationsForFrame( | |
157 frame_data->render_pass_list); | |
158 renderer_->DrawFrame(&frame_data->render_pass_list, device_scale_factor_, | |
159 device_viewport_rect, device_clip_rect, | |
160 disable_picture_quad_image_filtering); | |
161 } | |
162 | |
163 if (should_draw && !avoid_swap) { | |
164 renderer_->SwapBuffers(frame->metadata); | |
165 } else { | |
166 stored_latency_info_.insert(stored_latency_info_.end(), | |
167 frame->metadata.latency_info.begin(), | |
168 frame->metadata.latency_info.end()); | |
169 DidSwapBuffers(); | |
170 DidSwapBuffersComplete(); | |
171 } | |
172 | |
173 return true; | |
174 } | |
175 | |
176 void Display::DidSwapBuffers() { | |
177 client_->DidSwapBuffers(); | |
178 } | |
179 | |
180 void Display::DidSwapBuffersComplete() { | |
181 client_->DidSwapBuffersComplete(); | |
182 } | |
183 | |
184 void Display::CommitVSyncParameters(base::TimeTicks timebase, | |
185 base::TimeDelta interval) { | |
186 client_->CommitVSyncParameters(timebase, interval); | |
187 } | |
188 | |
189 void Display::OnSurfaceDamaged(SurfaceId surface_id, bool* changed) { | |
190 if (aggregator_ && | |
191 aggregator_->previous_contained_surfaces().count(surface_id)) { | |
192 Surface* surface = manager_->GetSurfaceForId(surface_id); | |
193 if (surface) { | |
194 const CompositorFrame* current_frame = surface->GetEligibleFrame(); | |
195 if (!current_frame || !current_frame->delegated_frame_data || | |
196 !current_frame->delegated_frame_data->resource_list.size()) | |
197 aggregator_->ReleaseResources(surface_id); | |
198 } | |
199 client_->DisplayDamaged(); | |
200 *changed = true; | |
201 } else if (surface_id == current_surface_id_) { | |
202 client_->DisplayDamaged(); | |
203 *changed = true; | |
204 } | |
205 } | |
206 | |
207 SurfaceId Display::CurrentSurfaceId() { | |
208 return current_surface_id_; | |
209 } | |
210 | |
211 int Display::GetMaxFramesPending() { | |
212 int max_frames_pending = | |
213 output_surface_ ? output_surface_->capabilities().max_frames_pending : 0; | |
214 if (max_frames_pending <= 0) | |
215 max_frames_pending = OutputSurface::DEFAULT_MAX_FRAMES_PENDING; | |
216 return max_frames_pending; | |
217 } | |
218 | |
219 } // namespace cc | |
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