ui/ozone/platform/dri/ozone_platform_dri.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/dri/ozone_platform_dri.h"
   6
   7 #include "base/at_exit.h"
   8 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
   9 #include "ui/events/ozone/device/device_manager.h"
  10 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
  11 #include "ui/events/ozone/evdev/event_factory_evdev.h"
  12 #include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
  13 #include "ui/ozone/platform/dri/display_manager.h"
  14 #include "ui/ozone/platform/dri/dri_buffer.h"
  15 #include "ui/ozone/platform/dri/dri_cursor.h"
  16 #include "ui/ozone/platform/dri/dri_gpu_platform_support.h"
  17 #include "ui/ozone/platform/dri/dri_gpu_platform_support_host.h"
  18 #include "ui/ozone/platform/dri/dri_surface_factory.h"
  19 #include "ui/ozone/platform/dri/dri_window.h"
  20 #include "ui/ozone/platform/dri/dri_window_delegate_impl.h"
  21 #include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
  22 #include "ui/ozone/platform/dri/dri_window_manager.h"
  23 #include "ui/ozone/platform/dri/dri_wrapper.h"
  24 #include "ui/ozone/platform/dri/native_display_delegate_dri.h"
  25 #include "ui/ozone/platform/dri/native_display_delegate_proxy.h"
  26 #include "ui/ozone/platform/dri/screen_manager.h"
  27 #include "ui/ozone/public/ozone_platform.h"
  28 #include "ui/ozone/public/ui_thread_gpu.h"
  29
  30 #if defined(USE_XKBCOMMON)
  31 #include "ui/events/ozone/layout/xkb/xkb_evdev_codes.h"
  32 #include "ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.h"
  33 #else
  34 #include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
  35 #endif
  36
  37 namespace ui {
  38
  39 namespace {
  40
  41 const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
  42
  43 // OzonePlatform for Linux DRI (Direct Rendering Infrastructure)
  44 //
  45 // This platform is Linux without any display server (no X, wayland, or
  46 // anything). This means chrome alone owns the display and input devices.
  47 class OzonePlatformDri : public OzonePlatform {
  48  public:
  49   OzonePlatformDri()
  50       : dri_(new DriWrapper(kDefaultGraphicsCardPath)),
  51         buffer_generator_(new DriBufferGenerator()),
  52         screen_manager_(new ScreenManager(dri_.get(), buffer_generator_.get())),
  53         device_manager_(CreateDeviceManager()) {}
  54   ~OzonePlatformDri() override {}
  55
  56   // OzonePlatform:
  57   ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
  58     return surface_factory_ozone_.get();
  59   }
  60   CursorFactoryOzone* GetCursorFactoryOzone() override {
  61     return cursor_factory_ozone_.get();
  62   }
  63   InputController* GetInputController() override {
  64     return event_factory_ozone_->input_controller();
  65   }
  66   GpuPlatformSupport* GetGpuPlatformSupport() override {
  67     return gpu_platform_support_.get();
  68   }
  69   GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
  70     return gpu_platform_support_host_.get();
  71   }
  72   scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override {
  73     return event_factory_ozone_->CreateSystemInputInjector();
  74   }
  75   scoped_ptr<PlatformWindow> CreatePlatformWindow(
  76       PlatformWindowDelegate* delegate,
  77       const gfx::Rect& bounds) override {
  78     scoped_ptr<DriWindow> platform_window(
  79         new DriWindow(delegate, bounds, gpu_platform_support_host_.get(),
  80                       event_factory_ozone_.get(), cursor_.get(),
  81                       window_manager_.get(), display_manager_.get()));
  82     platform_window->Initialize();
  83     return platform_window.Pass();
  84   }
  85   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
  86     return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateProxy(
  87         gpu_platform_support_host_.get(), device_manager_.get(),
  88         display_manager_.get()));
  89   }
  90   void InitializeUI() override {
  91     dri_->Initialize();
  92     display_manager_.reset(new DisplayManager());
  93     surface_factory_ozone_.reset(
  94         new DriSurfaceFactory(dri_.get(), &window_delegate_manager_));
  95     scoped_ptr<NativeDisplayDelegateDri> ndd(
  96         new NativeDisplayDelegateDri(dri_.get(), screen_manager_.get()));
  97     ndd->Initialize();
  98     gpu_platform_support_.reset(
  99         new DriGpuPlatformSupport(dri_.get(), &window_delegate_manager_,
 100                                   screen_manager_.get(), ndd.Pass()));
 101     gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
 102     window_manager_.reset(new DriWindowManager());
 103     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
 104     cursor_.reset(
 105         new DriCursor(window_manager_.get(), gpu_platform_support_host_.get()));
 106     cursor_->Init();
 107 #if defined(USE_XKBCOMMON)
 108     KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(make_scoped_ptr(
 109         new XkbKeyboardLayoutEngine(xkb_evdev_code_converter_)));
 110 #else
 111     KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
 112         make_scoped_ptr(new StubKeyboardLayoutEngine()));
 113 #endif
 114     event_factory_ozone_.reset(new EventFactoryEvdev(
 115         cursor_.get(), device_manager_.get(),
 116         KeyboardLayoutEngineManager::GetKeyboardLayoutEngine()));
 117
 118     if (!ui_thread_gpu_.Initialize())
 119       LOG(FATAL) << "Failed to initialize dummy channel.";
 120   }
 121
 122   void InitializeGPU() override {}
 123
 124  private:
 125   scoped_ptr<DriWrapper> dri_;
 126   scoped_ptr<DriBufferGenerator> buffer_generator_;
 127   scoped_ptr<ScreenManager> screen_manager_;
 128   scoped_ptr<DeviceManager> device_manager_;
 129
 130   scoped_ptr<DriSurfaceFactory> surface_factory_ozone_;
 131   scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
 132   scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
 133
 134   scoped_ptr<DriCursor> cursor_;
 135   scoped_ptr<DriWindowManager> window_manager_;
 136   scoped_ptr<DisplayManager> display_manager_;
 137
 138   scoped_ptr<DriGpuPlatformSupport> gpu_platform_support_;
 139   scoped_ptr<DriGpuPlatformSupportHost> gpu_platform_support_host_;
 140
 141   DriWindowDelegateManager window_delegate_manager_;
 142
 143   UiThreadGpu ui_thread_gpu_;
 144
 145 #if defined(USE_XKBCOMMON)
 146   XkbEvdevCodes xkb_evdev_code_converter_;
 147 #endif
 148
 149   DISALLOW_COPY_AND_ASSIGN(OzonePlatformDri);
 150 };
 151
 152 }  // namespace
 153
 154 OzonePlatform* CreateOzonePlatformDri() {
 155   return new OzonePlatformDri;
 156 }
 157
 158 }  // namespace ui