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/ozone/platform/dri/display_manager.h"
  13 #include "ui/ozone/platform/dri/dri_buffer.h"
  14 #include "ui/ozone/platform/dri/dri_cursor.h"
  15 #include "ui/ozone/platform/dri/dri_gpu_platform_support.h"
  16 #include "ui/ozone/platform/dri/dri_gpu_platform_support_host.h"
  17 #include "ui/ozone/platform/dri/dri_surface_factory.h"
  18 #include "ui/ozone/platform/dri/dri_window.h"
  19 #include "ui/ozone/platform/dri/dri_window_delegate_impl.h"
  20 #include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
  21 #include "ui/ozone/platform/dri/dri_window_manager.h"
  22 #include "ui/ozone/platform/dri/dri_wrapper.h"
  23 #include "ui/ozone/platform/dri/native_display_delegate_dri.h"
  24 #include "ui/ozone/platform/dri/native_display_delegate_proxy.h"
  25 #include "ui/ozone/platform/dri/screen_manager.h"
  26 #include "ui/ozone/public/ozone_platform.h"
  27 #include "ui/ozone/public/ui_thread_gpu.h"
  28
  29 namespace ui {
  30
  31 namespace {
  32
  33 const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
  34
  35 // OzonePlatform for Linux DRI (Direct Rendering Infrastructure)
  36 //
  37 // This platform is Linux without any display server (no X, wayland, or
  38 // anything). This means chrome alone owns the display and input devices.
  39 class OzonePlatformDri : public OzonePlatform {
  40  public:
  41   OzonePlatformDri()
  42       : dri_(new DriWrapper(kDefaultGraphicsCardPath)),
  43         buffer_generator_(new DriBufferGenerator(dri_.get())),
  44         screen_manager_(new ScreenManager(dri_.get(), buffer_generator_.get())),
  45         device_manager_(CreateDeviceManager()) {
  46     base::AtExitManager::RegisterTask(
  47         base::Bind(&base::DeletePointer<OzonePlatformDri>, this));
  48   }
  49   ~OzonePlatformDri() override {}
  50
  51   // OzonePlatform:
  52   ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
  53     return surface_factory_ozone_.get();
  54   }
  55   CursorFactoryOzone* GetCursorFactoryOzone() override {
  56     return cursor_factory_ozone_.get();
  57   }
  58   GpuPlatformSupport* GetGpuPlatformSupport() override {
  59     return gpu_platform_support_.get();
  60   }
  61   GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
  62     return gpu_platform_support_host_.get();
  63   }
  64   scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override {
  65     return event_factory_ozone_->CreateSystemInputInjector();
  66   }
  67   scoped_ptr<PlatformWindow> CreatePlatformWindow(
  68       PlatformWindowDelegate* delegate,
  69       const gfx::Rect& bounds) override {
  70     scoped_ptr<DriWindow> platform_window(
  71         new DriWindow(delegate, bounds, gpu_platform_support_host_.get(),
  72                       event_factory_ozone_.get(), window_manager_.get(),
  73                       display_manager_.get()));
  74     platform_window->Initialize();
  75     return platform_window.Pass();
  76   }
  77   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
  78     return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateProxy(
  79         gpu_platform_support_host_.get(), device_manager_.get(),
  80         display_manager_.get()));
  81   }
  82   void InitializeUI() override {
  83     dri_->Initialize();
  84     display_manager_.reset(new DisplayManager());
  85     surface_factory_ozone_.reset(
  86         new DriSurfaceFactory(dri_.get(), &window_delegate_manager_));
  87     gpu_platform_support_.reset(new DriGpuPlatformSupport(
  88         dri_.get(), &window_delegate_manager_, screen_manager_.get(),
  89         scoped_ptr<NativeDisplayDelegateDri>(new NativeDisplayDelegateDri(
  90             dri_.get(), screen_manager_.get(), NULL))));
  91     gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
  92     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
  93     window_manager_.reset(
  94         new DriWindowManager(gpu_platform_support_host_.get()));
  95     event_factory_ozone_.reset(new EventFactoryEvdev(window_manager_->cursor(),
  96                                                      device_manager_.get()));
  97     if (surface_factory_ozone_->InitializeHardware() !=
  98         DriSurfaceFactory::INITIALIZED)
  99       LOG(FATAL) << "Failed to initialize display hardware.";
 100
 101     if (!ui_thread_gpu_.Initialize())
 102       LOG(FATAL) << "Failed to initialize dummy channel.";
 103   }
 104
 105   void InitializeGPU() override {}
 106
 107  private:
 108   scoped_ptr<DriWrapper> dri_;
 109   scoped_ptr<DriBufferGenerator> buffer_generator_;
 110   scoped_ptr<ScreenManager> screen_manager_;
 111   scoped_ptr<DeviceManager> device_manager_;
 112
 113   scoped_ptr<DriSurfaceFactory> surface_factory_ozone_;
 114   scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
 115   scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
 116
 117   scoped_ptr<DriWindowManager> window_manager_;
 118   scoped_ptr<DisplayManager> display_manager_;
 119
 120   scoped_ptr<DriGpuPlatformSupport> gpu_platform_support_;
 121   scoped_ptr<DriGpuPlatformSupportHost> gpu_platform_support_host_;
 122
 123   DriWindowDelegateManager window_delegate_manager_;
 124
 125   UiThreadGpu ui_thread_gpu_;
 126
 127   DISALLOW_COPY_AND_ASSIGN(OzonePlatformDri);
 128 };
 129
 130 }  // namespace
 131
 132 OzonePlatform* CreateOzonePlatformDri() { return new OzonePlatformDri; }
 133
 134 }  // namespace ui