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1 // Copyright 2015 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 "components/view_manager/surfaces/top_level_display_client.h" | |
6 | |
7 #include "cc/output/compositor_frame.h" | |
8 #include "cc/surfaces/display.h" | |
9 #include "components/view_manager/gles2/gpu_state.h" | |
10 #include "components/view_manager/surfaces/surfaces_context_provider.h" | |
11 #include "components/view_manager/surfaces/surfaces_output_surface.h" | |
12 #include "components/view_manager/surfaces/surfaces_scheduler.h" | |
13 #include "components/view_manager/surfaces/surfaces_state.h" | |
14 | |
15 namespace surfaces { | |
16 namespace { | |
17 void CallCallback(const base::Closure& callback, cc::SurfaceDrawStatus status) { | |
18 callback.Run(); | |
19 } | |
20 } | |
21 | |
22 TopLevelDisplayClient::TopLevelDisplayClient( | |
23 gfx::AcceleratedWidget widget, | |
24 const scoped_refptr<gles2::GpuState>& gpu_state, | |
25 const scoped_refptr<SurfacesState>& surfaces_state) | |
26 : gpu_state_(gpu_state), | |
27 surfaces_state_(surfaces_state), | |
28 factory_(surfaces_state->manager(), this), | |
29 cc_id_(static_cast<uint64_t>(surfaces_state->next_id_namespace()) << 32) { | |
30 factory_.Create(cc_id_); | |
31 | |
32 display_.reset(new cc::Display(this, surfaces_state_->manager(), nullptr, | |
33 nullptr, cc::RendererSettings())); | |
34 surfaces_state_->scheduler()->AddDisplay(display_.get()); | |
35 | |
36 // TODO(brianderson): Reconcile with SurfacesScheduler crbug.com/476676 | |
37 cc::DisplayScheduler* null_display_scheduler = nullptr; | |
38 display_->Initialize( | |
39 make_scoped_ptr(new surfaces::DirectOutputSurface( | |
40 new SurfacesContextProvider(this, widget, gpu_state))), | |
41 null_display_scheduler); | |
42 | |
43 display_->Resize(last_submitted_frame_size_); | |
44 | |
45 // TODO(fsamuel): Plumb the proper device scale factor. | |
46 display_->SetSurfaceId(cc_id_, 1.f /* device_scale_factor */); | |
47 } | |
48 | |
49 void TopLevelDisplayClient::OnContextCreated() { | |
50 } | |
51 | |
52 TopLevelDisplayClient::~TopLevelDisplayClient() { | |
53 if (display_) { | |
54 factory_.Destroy(cc_id_); | |
55 surfaces_state_->scheduler()->RemoveDisplay(display_.get()); | |
56 // By deleting the object after display_ is reset, OutputSurfaceLost can | |
57 // know not to do anything (which would result in double delete). | |
58 delete display_.release(); | |
59 } | |
60 } | |
61 | |
62 void TopLevelDisplayClient::SubmitCompositorFrame( | |
63 scoped_ptr<cc::CompositorFrame> frame, | |
64 const base::Closure& callback) { | |
65 pending_frame_ = frame.Pass(); | |
66 | |
67 last_submitted_frame_size_ = | |
68 pending_frame_->delegated_frame_data->render_pass_list.back()-> | |
69 output_rect.size(); | |
70 display_->Resize(last_submitted_frame_size_); | |
71 factory_.SubmitCompositorFrame(cc_id_, pending_frame_.Pass(), | |
72 base::Bind(&CallCallback, callback)); | |
73 surfaces_state_->scheduler()->SetNeedsDraw(); | |
74 } | |
75 | |
76 void TopLevelDisplayClient::CommitVSyncParameters(base::TimeTicks timebase, | |
77 base::TimeDelta interval) { | |
78 } | |
79 | |
80 void TopLevelDisplayClient::OutputSurfaceLost() { | |
81 if (!display_) // Shutdown case | |
82 return; | |
83 | |
84 // If our OutputSurface is lost we can't draw until we get a new one. For now, | |
85 // destroy the display and create a new one when our ContextProvider provides | |
86 // a new one. | |
87 // TODO: This is more violent than necessary - we could simply remove this | |
88 // display from the scheduler's set and pass a new context in to the | |
89 // OutputSurface. It should be able to reinitialize properly. | |
90 surfaces_state_->scheduler()->RemoveDisplay(display_.get()); | |
91 display_.reset(); | |
92 } | |
93 | |
94 void TopLevelDisplayClient::SetMemoryPolicy( | |
95 const cc::ManagedMemoryPolicy& policy) { | |
96 } | |
97 | |
98 void TopLevelDisplayClient::OnVSyncParametersUpdated(int64_t timebase, | |
99 int64_t interval) { | |
100 surfaces_state_->scheduler()->OnVSyncParametersUpdated( | |
101 base::TimeTicks::FromInternalValue(timebase), | |
102 base::TimeDelta::FromInternalValue(interval)); | |
103 } | |
104 | |
105 void TopLevelDisplayClient::ReturnResources( | |
106 const cc::ReturnedResourceArray& resources) { | |
107 // TODO(fsamuel): Implement this. | |
108 } | |
109 | |
110 } // namespace surfaces | |
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