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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
// 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 "ui/ozone/platform/drm/ozone_platform_gbm.h"
#include <dlfcn.h>
#include <gbm.h>
#include <stdlib.h>
#include "base/at_exit.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
#include "ui/events/ozone/device/device_manager.h"
#include "ui/events/ozone/evdev/event_factory_evdev.h"
#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
#include "ui/ozone/platform/drm/common/drm_util.h"
#include "ui/ozone/platform/drm/gpu/drm_device_generator.h"
#include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_gpu_display_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h"
#include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
#include "ui/ozone/platform/drm/gpu/gbm_device.h"
#include "ui/ozone/platform/drm/gpu/gbm_surface.h"
#include "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
#include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
#include "ui/ozone/platform/drm/gpu/screen_manager.h"
#include "ui/ozone/platform/drm/host/drm_cursor.h"
#include "ui/ozone/platform/drm/host/drm_display_host_manager.h"
#include "ui/ozone/platform/drm/host/drm_gpu_platform_support_host.h"
#include "ui/ozone/platform/drm/host/drm_native_display_delegate.h"
#include "ui/ozone/platform/drm/host/drm_overlay_manager.h"
#include "ui/ozone/platform/drm/host/drm_window_host.h"
#include "ui/ozone/platform/drm/host/drm_window_host_manager.h"
#include "ui/ozone/public/cursor_factory_ozone.h"
#include "ui/ozone/public/gpu_platform_support.h"
#include "ui/ozone/public/gpu_platform_support_host.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/ozone/public/ozone_switches.h"
#if defined(USE_XKBCOMMON)
#include "ui/events/ozone/layout/xkb/xkb_evdev_codes.h"
#include "ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.h"
#else
#include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
#endif
namespace ui {
namespace {
class GlApiLoader {
public:
GlApiLoader()
: glapi_lib_(dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL)) {}
~GlApiLoader() {
if (glapi_lib_)
dlclose(glapi_lib_);
}
private:
// HACK: gbm drivers have broken linkage. The Mesa DRI driver references
// symbols in the libglapi library however it does not explicitly link against
// it. That caused linkage errors when running an application that does not
// explicitly link against libglapi.
void* glapi_lib_;
DISALLOW_COPY_AND_ASSIGN(GlApiLoader);
};
class GbmBufferGenerator : public ScanoutBufferGenerator {
public:
GbmBufferGenerator() {}
~GbmBufferGenerator() override {}
// ScanoutBufferGenerator:
scoped_refptr<ScanoutBuffer> Create(const scoped_refptr<DrmDevice>& drm,
const gfx::Size& size) override {
scoped_refptr<GbmDevice> gbm(static_cast<GbmDevice*>(drm.get()));
return GbmBuffer::CreateBuffer(gbm, SurfaceFactoryOzone::BGRA_8888, size,
true);
}
protected:
DISALLOW_COPY_AND_ASSIGN(GbmBufferGenerator);
};
class GbmDeviceGenerator : public DrmDeviceGenerator {
public:
GbmDeviceGenerator(bool use_atomic) : use_atomic_(use_atomic) {}
~GbmDeviceGenerator() override {}
// DrmDeviceGenerator:
scoped_refptr<DrmDevice> CreateDevice(const base::FilePath& path,
base::File file) override {
scoped_refptr<DrmDevice> drm = new GbmDevice(path, file.Pass());
if (drm->Initialize(use_atomic_))
return drm;
return nullptr;
}
private:
bool use_atomic_;
DISALLOW_COPY_AND_ASSIGN(GbmDeviceGenerator);
};
class OzonePlatformGbm : public OzonePlatform {
public:
OzonePlatformGbm(bool use_surfaceless) : use_surfaceless_(use_surfaceless) {}
~OzonePlatformGbm() override {}
// OzonePlatform:
ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
return surface_factory_ozone_.get();
}
OverlayManagerOzone* GetOverlayManager() override {
return overlay_manager_.get();
}
CursorFactoryOzone* GetCursorFactoryOzone() override {
return cursor_factory_ozone_.get();
}
InputController* GetInputController() override {
return event_factory_ozone_->input_controller();
}
GpuPlatformSupport* GetGpuPlatformSupport() override {
return gpu_platform_support_.get();
}
GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
return gpu_platform_support_host_.get();
}
scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override {
return event_factory_ozone_->CreateSystemInputInjector();
}
scoped_ptr<PlatformWindow> CreatePlatformWindow(
PlatformWindowDelegate* delegate,
const gfx::Rect& bounds) override {
scoped_ptr<DrmWindowHost> platform_window(
new DrmWindowHost(delegate, bounds, gpu_platform_support_host_.get(),
event_factory_ozone_.get(), cursor_.get(),
window_manager_.get(), display_manager_.get()));
platform_window->Initialize();
return platform_window.Pass();
}
scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
return make_scoped_ptr(
new DrmNativeDisplayDelegate(display_manager_.get()));
}
void InitializeUI() override {
device_manager_ = CreateDeviceManager();
window_manager_.reset(new DrmWindowHostManager());
cursor_.reset(new DrmCursor(window_manager_.get()));
gpu_platform_support_host_.reset(
new DrmGpuPlatformSupportHost(cursor_.get()));
display_manager_.reset(new DrmDisplayHostManager(
gpu_platform_support_host_.get(), device_manager_.get()));
cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
overlay_manager_.reset(new DrmOverlayManager(use_surfaceless_));
#if defined(USE_XKBCOMMON)
KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(make_scoped_ptr(
new XkbKeyboardLayoutEngine(xkb_evdev_code_converter_)));
#else
KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
make_scoped_ptr(new StubKeyboardLayoutEngine()));
#endif
event_factory_ozone_.reset(new EventFactoryEvdev(
cursor_.get(), device_manager_.get(),
KeyboardLayoutEngineManager::GetKeyboardLayoutEngine()));
}
void InitializeGPU() override {
bool use_atomic = false;
gl_api_loader_.reset(new GlApiLoader());
drm_device_manager_.reset(new DrmDeviceManager(
scoped_ptr<DrmDeviceGenerator>(new GbmDeviceGenerator(use_atomic))));
buffer_generator_.reset(new GbmBufferGenerator());
screen_manager_.reset(new ScreenManager(buffer_generator_.get()));
surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
surface_factory_ozone_->InitializeGpu(drm_device_manager_.get(),
screen_manager_.get());
scoped_ptr<DrmGpuDisplayManager> ndd(new DrmGpuDisplayManager(
screen_manager_.get(), drm_device_manager_.get()));
gpu_platform_support_.reset(new DrmGpuPlatformSupport(
drm_device_manager_.get(), screen_manager_.get(), ndd.Pass()));
}
private:
// Objects in both processes.
bool use_surfaceless_;
// Objects in the GPU process.
scoped_ptr<GbmSurfaceFactory> surface_factory_ozone_;
scoped_ptr<GlApiLoader> gl_api_loader_;
scoped_ptr<DrmDeviceManager> drm_device_manager_;
scoped_ptr<GbmBufferGenerator> buffer_generator_;
scoped_ptr<ScreenManager> screen_manager_;
scoped_ptr<DrmGpuPlatformSupport> gpu_platform_support_;
// Objects in the Browser process.
scoped_ptr<DeviceManager> device_manager_;
scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
scoped_ptr<DrmWindowHostManager> window_manager_;
scoped_ptr<DrmCursor> cursor_;
scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
scoped_ptr<DrmGpuPlatformSupportHost> gpu_platform_support_host_;
scoped_ptr<DrmDisplayHostManager> display_manager_;
scoped_ptr<DrmOverlayManager> overlay_manager_;
#if defined(USE_XKBCOMMON)
XkbEvdevCodes xkb_evdev_code_converter_;
#endif
DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
};
} // namespace
OzonePlatform* CreateOzonePlatformGbm() {
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
#if defined(USE_MESA_PLATFORM_NULL)
// Only works with surfaceless.
cmd->AppendSwitch(switches::kOzoneUseSurfaceless);
#endif
return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
}
} // namespace ui
|