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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
// 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 "content/browser/compositor/software_browser_compositor_output_surface.h"
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/viz/service/display/output_surface_client.h"
#include "components/viz/service/display/output_surface_frame.h"
#include "components/viz/service/display/software_output_device.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "ui/gfx/vsync_provider.h"
#include "ui/latency/latency_info.h"
namespace content {
SoftwareBrowserCompositorOutputSurface::SoftwareBrowserCompositorOutputSurface(
std::unique_ptr<viz::SoftwareOutputDevice> software_device)
: BrowserCompositorOutputSurface(std::move(software_device)) {}
SoftwareBrowserCompositorOutputSurface::
~SoftwareBrowserCompositorOutputSurface() {
}
void SoftwareBrowserCompositorOutputSurface::BindToClient(
viz::OutputSurfaceClient* client) {
DCHECK(client);
DCHECK(!client_);
client_ = client;
}
void SoftwareBrowserCompositorOutputSurface::EnsureBackbuffer() {
software_device()->EnsureBackbuffer();
}
void SoftwareBrowserCompositorOutputSurface::DiscardBackbuffer() {
software_device()->DiscardBackbuffer();
}
void SoftwareBrowserCompositorOutputSurface::BindFramebuffer() {
// Not used for software surfaces.
NOTREACHED();
}
void SoftwareBrowserCompositorOutputSurface::SetDrawRectangle(
const gfx::Rect& draw_rectangle) {}
void SoftwareBrowserCompositorOutputSurface::Reshape(
const gfx::Size& size,
float device_scale_factor,
const gfx::ColorSpace& color_space,
bool has_alpha,
bool use_stencil) {
software_device()->Resize(size, device_scale_factor);
}
void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
viz::OutputSurfaceFrame frame) {
DCHECK(client_);
base::TimeTicks swap_time = base::TimeTicks::Now();
for (auto& latency : frame.latency_info) {
latency.AddLatencyNumberWithTimestamp(
ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT, swap_time);
latency.AddLatencyNumberWithTimestamp(
ui::INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT, swap_time);
}
gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider();
if (vsync_provider) {
vsync_provider->GetVSyncParameters(base::BindOnce(
&SoftwareBrowserCompositorOutputSurface::UpdateVSyncCallback,
weak_factory_.GetWeakPtr()));
}
software_device()->OnSwapBuffers(base::BindOnce(
&SoftwareBrowserCompositorOutputSurface::SwapBuffersCallback,
weak_factory_.GetWeakPtr(), frame.latency_info, swap_time));
}
void SoftwareBrowserCompositorOutputSurface::SwapBuffersCallback(
const std::vector<ui::LatencyInfo>& latency_info,
const base::TimeTicks& swap_time,
const gfx::Size& pixel_size) {
latency_tracker_.OnGpuSwapBuffersCompleted(latency_info);
client_->DidReceiveSwapBuffersAck({swap_time, swap_time});
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
if (needs_swap_size_notifications_)
client_->DidSwapWithSize(pixel_size);
#endif
client_->DidReceivePresentationFeedback(
gfx::PresentationFeedback(base::TimeTicks::Now(), refresh_interval_, 0u));
}
void SoftwareBrowserCompositorOutputSurface::UpdateVSyncCallback(
const base::TimeTicks timebase,
const base::TimeDelta interval) {
refresh_interval_ = interval;
if (update_vsync_parameters_callback_)
update_vsync_parameters_callback_.Run(timebase, interval);
}
bool SoftwareBrowserCompositorOutputSurface::IsDisplayedAsOverlayPlane() const {
return false;
}
unsigned SoftwareBrowserCompositorOutputSurface::GetOverlayTextureId() const {
return 0;
}
gfx::BufferFormat
SoftwareBrowserCompositorOutputSurface::GetOverlayBufferFormat() const {
return gfx::BufferFormat::RGBX_8888;
}
uint32_t
SoftwareBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() {
// Not used for software surfaces.
NOTREACHED();
return 0;
}
unsigned SoftwareBrowserCompositorOutputSurface::UpdateGpuFence() {
return 0;
}
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
void SoftwareBrowserCompositorOutputSurface::SetNeedsSwapSizeNotifications(
bool needs_swap_size_notifications) {
needs_swap_size_notifications_ = needs_swap_size_notifications;
}
#endif
} // namespace content
|
