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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
// 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 "components/gles2/command_buffer_impl.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "components/gles2/command_buffer_driver.h"
#include "gpu/command_buffer/service/sync_point_manager.h"
namespace gles2 {
namespace {
void DestroyDriver(scoped_ptr<CommandBufferDriver> driver) {
// Just let ~scoped_ptr run.
}
void RunCallback(const mojo::Callback<void()>& callback) {
callback.Run();
}
class CommandBufferDriverClientImpl : public CommandBufferDriver::Client {
public:
CommandBufferDriverClientImpl(
base::WeakPtr<CommandBufferImpl> command_buffer,
scoped_refptr<base::SingleThreadTaskRunner> control_task_runner)
: command_buffer_(command_buffer),
control_task_runner_(control_task_runner) {}
private:
void UpdateVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) override {
control_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferImpl::UpdateVSyncParameters,
command_buffer_, timebase, interval));
}
void DidLoseContext() override {
control_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferImpl::DidLoseContext,
command_buffer_));
}
base::WeakPtr<CommandBufferImpl> command_buffer_;
scoped_refptr<base::SingleThreadTaskRunner> control_task_runner_;
};
}
CommandBufferImpl::CommandBufferImpl(
mojo::InterfaceRequest<mojo::CommandBuffer> request,
mojo::ViewportParameterListenerPtr listener,
scoped_refptr<base::SingleThreadTaskRunner> control_task_runner,
gpu::SyncPointManager* sync_point_manager,
scoped_ptr<CommandBufferDriver> driver)
: sync_point_manager_(sync_point_manager),
driver_task_runner_(base::MessageLoop::current()->task_runner()),
driver_(driver.Pass()),
viewport_parameter_listener_(listener.Pass()),
binding_(this),
weak_factory_(this) {
driver_->set_client(make_scoped_ptr(new CommandBufferDriverClientImpl(
weak_factory_.GetWeakPtr(), control_task_runner)));
control_task_runner->PostTask(
FROM_HERE, base::Bind(&CommandBufferImpl::BindToRequest,
base::Unretained(this), base::Passed(&request)));
}
CommandBufferImpl::~CommandBufferImpl() {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&DestroyDriver, base::Passed(&driver_)));
}
void CommandBufferImpl::Initialize(
mojo::CommandBufferSyncClientPtr sync_client,
mojo::CommandBufferSyncPointClientPtr sync_point_client,
mojo::CommandBufferLostContextObserverPtr loss_observer,
mojo::ScopedSharedBufferHandle shared_state) {
sync_point_client_ = sync_point_client.Pass();
driver_task_runner_->PostTask(
FROM_HERE,
base::Bind(&CommandBufferDriver::Initialize,
base::Unretained(driver_.get()), base::Passed(&sync_client),
base::Passed(&loss_observer),
base::Passed(&shared_state)));
}
void CommandBufferImpl::SetGetBuffer(int32_t buffer) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferDriver::SetGetBuffer,
base::Unretained(driver_.get()), buffer));
}
void CommandBufferImpl::Flush(int32_t put_offset) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferDriver::Flush,
base::Unretained(driver_.get()), put_offset));
}
void CommandBufferImpl::MakeProgress(int32_t last_get_offset) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferDriver::MakeProgress,
base::Unretained(driver_.get()), last_get_offset));
}
void CommandBufferImpl::RegisterTransferBuffer(
int32_t id,
mojo::ScopedSharedBufferHandle transfer_buffer,
uint32_t size) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferDriver::RegisterTransferBuffer,
base::Unretained(driver_.get()), id,
base::Passed(&transfer_buffer), size));
}
void CommandBufferImpl::DestroyTransferBuffer(int32_t id) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&CommandBufferDriver::DestroyTransferBuffer,
base::Unretained(driver_.get()), id));
}
void CommandBufferImpl::InsertSyncPoint(bool retire) {
uint32_t sync_point = sync_point_manager_->GenerateSyncPoint();
sync_point_client_->DidInsertSyncPoint(sync_point);
if (retire) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&gpu::SyncPointManager::RetireSyncPoint,
sync_point_manager_, sync_point));
}
}
void CommandBufferImpl::RetireSyncPoint(uint32_t sync_point) {
driver_task_runner_->PostTask(
FROM_HERE, base::Bind(&gpu::SyncPointManager::RetireSyncPoint,
sync_point_manager_, sync_point));
}
void CommandBufferImpl::Echo(const mojo::Callback<void()>& callback) {
driver_task_runner_->PostTaskAndReply(FROM_HERE, base::Bind(&base::DoNothing),
base::Bind(&RunCallback, callback));
}
void CommandBufferImpl::BindToRequest(
mojo::InterfaceRequest<mojo::CommandBuffer> request) {
binding_.Bind(request.Pass());
}
void CommandBufferImpl::DidLoseContext() {
binding_.OnConnectionError();
}
void CommandBufferImpl::UpdateVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) {
if (!viewport_parameter_listener_)
return;
viewport_parameter_listener_->OnVSyncParametersUpdated(
timebase.ToInternalValue(), interval.ToInternalValue());
}
} // namespace gles2
|
