1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// 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/surfaces/onscreen_display_client.h"
#include "base/trace_event/trace_event.h"
#include "cc/output/output_surface.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/surfaces/display_scheduler.h"
#include "cc/surfaces/surface_display_output_surface.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_manager.h"
namespace cc {
OnscreenDisplayClient::OnscreenDisplayClient(
scoped_ptr<OutputSurface> output_surface,
SurfaceManager* manager,
SharedBitmapManager* bitmap_manager,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
const RendererSettings& settings,
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: output_surface_(std::move(output_surface)),
task_runner_(task_runner),
display_(new Display(this,
manager,
bitmap_manager,
gpu_memory_buffer_manager,
settings)),
output_surface_lost_(false),
disable_display_vsync_(settings.disable_display_vsync) {}
OnscreenDisplayClient::~OnscreenDisplayClient() {
}
bool OnscreenDisplayClient::Initialize() {
DCHECK(output_surface_);
BeginFrameSource* frame_source;
if (disable_display_vsync_) {
unthrottled_frame_source_ =
BackToBackBeginFrameSource::Create(task_runner_.get());
frame_source = unthrottled_frame_source_.get();
} else {
synthetic_frame_source_ = SyntheticBeginFrameSource::Create(
task_runner_.get(), BeginFrameArgs::DefaultInterval());
frame_source = synthetic_frame_source_.get();
}
scheduler_.reset(
new DisplayScheduler(display_.get(), frame_source, task_runner_.get(),
output_surface_->capabilities().max_frames_pending));
return display_->Initialize(std::move(output_surface_), scheduler_.get());
}
void OnscreenDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) {
if (interval == base::TimeDelta()) {
// TODO(brianderson): We should not be receiving 0 intervals.
interval = BeginFrameArgs::DefaultInterval();
}
surface_display_output_surface_->ReceivedVSyncParameters(timebase, interval);
if (synthetic_frame_source_.get())
synthetic_frame_source_->OnUpdateVSyncParameters(timebase, interval);
}
void OnscreenDisplayClient::OutputSurfaceLost() {
output_surface_lost_ = true;
surface_display_output_surface_->DidLoseOutputSurface();
}
void OnscreenDisplayClient::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
surface_display_output_surface_->SetMemoryPolicy(policy);
}
} // namespace cc
|
