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
161
162
163
|
// Copyright (c) 2011 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/common/gpu/gpu_channel_manager.h"
#include <string>
#include <vector>
#include "app/win/scoped_com_initializer.h"
#include "base/command_line.h"
#include "base/threading/worker_pool.h"
#include "build/build_config.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_switches.h"
#include "content/common/child_process.h"
#include "content/common/gpu_messages.h"
#include "ipc/ipc_channel_handle.h"
#include "ui/gfx/gl/gl_context.h"
#include "ui/gfx/gl/gl_implementation.h"
GpuChannelManager::GpuChannelManager(IPC::Message::Sender* browser_channel,
GpuWatchdog* watchdog,
MessageLoop* io_message_loop,
base::WaitableEvent* shutdown_event)
: ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)),
io_message_loop_(io_message_loop),
shutdown_event_(shutdown_event),
browser_channel_(browser_channel),
watchdog_(watchdog) {
DCHECK(browser_channel);
DCHECK(io_message_loop);
DCHECK(shutdown_event);
}
GpuChannelManager::~GpuChannelManager() {
gpu_channels_.clear();
}
void GpuChannelManager::RemoveChannel(int renderer_id) {
gpu_channels_.erase(renderer_id);
}
bool GpuChannelManager::OnMessageReceived(const IPC::Message& msg) {
bool msg_is_ok = true;
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_EX(GpuChannelManager, msg, msg_is_ok)
IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel, OnEstablishChannel)
IPC_MESSAGE_HANDLER(GpuMsg_CloseChannel, OnCloseChannel)
IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
OnCreateViewCommandBuffer)
IPC_MESSAGE_HANDLER(GpuMsg_Synchronize, OnSynchronize)
IPC_MESSAGE_HANDLER(GpuMsg_VisibilityChanged, OnVisibilityChanged)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(GpuMsg_AcceleratedSurfaceBuffersSwappedACK,
OnAcceleratedSurfaceBuffersSwappedACK)
IPC_MESSAGE_HANDLER(GpuMsg_DestroyCommandBuffer,
OnDestroyCommandBuffer)
#endif
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP_EX()
return handled;
}
bool GpuChannelManager::Send(IPC::Message* msg) {
return browser_channel_->Send(msg);
}
void GpuChannelManager::OnEstablishChannel(int renderer_id) {
scoped_refptr<GpuChannel> channel;
IPC::ChannelHandle channel_handle;
GPUInfo gpu_info;
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
channel = new GpuChannel(this, watchdog_, renderer_id);
else
channel = iter->second;
DCHECK(channel != NULL);
if (channel->Init(io_message_loop_, shutdown_event_))
gpu_channels_[renderer_id] = channel;
else
channel = NULL;
if (channel.get()) {
channel_handle.name = channel->GetChannelName();
#if defined(OS_POSIX)
// On POSIX, pass the renderer-side FD. Also mark it as auto-close so
// that it gets closed after it has been sent.
int renderer_fd = channel->GetRendererFileDescriptor();
channel_handle.socket = base::FileDescriptor(dup(renderer_fd), true);
#endif
}
Send(new GpuHostMsg_ChannelEstablished(channel_handle));
}
void GpuChannelManager::OnCloseChannel(
const IPC::ChannelHandle& channel_handle) {
for (GpuChannelMap::iterator iter = gpu_channels_.begin();
iter != gpu_channels_.end(); ++iter) {
if (iter->second->GetChannelName() == channel_handle.name) {
gpu_channels_.erase(iter);
return;
}
}
}
void GpuChannelManager::OnSynchronize() {
Send(new GpuHostMsg_SynchronizeReply());
}
void GpuChannelManager::OnVisibilityChanged(
int32 render_view_id, int32 renderer_id, bool visible) {
// TODO(amarinichev): this will be used for context eviction
}
void GpuChannelManager::OnCreateViewCommandBuffer(
gfx::PluginWindowHandle window,
int32 render_view_id,
int32 renderer_id,
const GPUCreateCommandBufferConfig& init_params) {
int32 route_id = MSG_ROUTING_NONE;
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter != gpu_channels_.end()) {
iter->second->CreateViewCommandBuffer(
window, render_view_id, init_params, &route_id);
}
Send(new GpuHostMsg_CommandBufferCreated(route_id));
}
#if defined(OS_MACOSX)
void GpuChannelManager::OnAcceleratedSurfaceBuffersSwappedACK(
int renderer_id, int32 route_id, uint64 swap_buffers_count) {
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
return;
scoped_refptr<GpuChannel> channel = iter->second;
channel->AcceleratedSurfaceBuffersSwapped(route_id, swap_buffers_count);
}
void GpuChannelManager::OnDestroyCommandBuffer(
int renderer_id, int32 renderer_view_id) {
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
return;
scoped_refptr<GpuChannel> channel = iter->second;
channel->DestroyCommandBufferByViewId(renderer_view_id);
}
#endif
void GpuChannelManager::LoseAllContexts() {
MessageLoop::current()->PostTask(
FROM_HERE, method_factory_.NewRunnableMethod(
&GpuChannelManager::OnLoseAllContexts));
}
void GpuChannelManager::OnLoseAllContexts() {
gpu_channels_.clear();
}
|
