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