src/ui/ozone/platform/dri/ozone_platform_gbm.cc

   1 // Copyright 2014 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_gbm.h"
   6
   7 #include <dlfcn.h>
   8 #include <gbm.h>
   9 #include <stdlib.h>
  10
  11 #include "base/at_exit.h"
  12 #include "base/command_line.h"
  13 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
  14 #include "ui/events/ozone/device/device_manager.h"
  15 #include "ui/events/ozone/evdev/event_factory_evdev.h"
  16 #include "ui/ozone/platform/dri/dri_cursor.h"
  17 #include "ui/ozone/platform/dri/dri_window.h"
  18 #include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
  19 #include "ui/ozone/platform/dri/dri_window_delegate_proxy.h"
  20 #include "ui/ozone/platform/dri/dri_window_manager.h"
  21 #include "ui/ozone/platform/dri/dri_wrapper.h"
  22 #include "ui/ozone/platform/dri/gbm_buffer.h"
  23 #include "ui/ozone/platform/dri/gbm_surface.h"
  24 #include "ui/ozone/platform/dri/gbm_surface_factory.h"
  25 #include "ui/ozone/platform/dri/gpu_platform_support_gbm.h"
  26 #include "ui/ozone/platform/dri/gpu_platform_support_host_gbm.h"
  27 #include "ui/ozone/platform/dri/scanout_buffer.h"
  28 #include "ui/ozone/platform/dri/screen_manager.h"
  29 #include "ui/ozone/platform/dri/virtual_terminal_manager.h"
  30 #include "ui/ozone/public/cursor_factory_ozone.h"
  31 #include "ui/ozone/public/gpu_platform_support.h"
  32 #include "ui/ozone/public/gpu_platform_support_host.h"
  33 #include "ui/ozone/public/ozone_platform.h"
  34 #include "ui/ozone/public/ozone_switches.h"
  35
  36 #if defined(OS_CHROMEOS)
  37 #include "ui/ozone/platform/dri/chromeos/display_message_handler.h"
  38 #include "ui/ozone/platform/dri/chromeos/native_display_delegate_dri.h"
  39 #include "ui/ozone/platform/dri/chromeos/native_display_delegate_proxy.h"
  40 #endif
  41
  42 namespace ui {
  43
  44 namespace {
  45
  46 const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
  47
  48 class GbmBufferGenerator : public ScanoutBufferGenerator {
  49  public:
  50   GbmBufferGenerator(DriWrapper* dri)
  51       : dri_(dri),
  52         glapi_lib_(dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL)),
  53         device_(gbm_create_device(dri_->get_fd())) {
  54     if (!device_)
  55       LOG(FATAL) << "Unable to initialize gbm for " << kDefaultGraphicsCardPath;
  56   }
  57   virtual ~GbmBufferGenerator() {
  58     gbm_device_destroy(device_);
  59     if (glapi_lib_)
  60       dlclose(glapi_lib_);
  61   }
  62
  63   gbm_device* device() const { return device_; }
  64
  65   virtual scoped_refptr<ScanoutBuffer> Create(const gfx::Size& size) OVERRIDE {
  66     return GbmBuffer::CreateBuffer(
  67         dri_, device_, SurfaceFactoryOzone::RGBA_8888, size, true);
  68   }
  69
  70  protected:
  71   DriWrapper* dri_;  // Not owned.
  72
  73   // HACK: gbm drivers have broken linkage
  74   void *glapi_lib_;
  75
  76   gbm_device* device_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(GbmBufferGenerator);
  79 };
  80
  81 class OzonePlatformGbm : public OzonePlatform {
  82  public:
  83   OzonePlatformGbm(bool use_surfaceless) : use_surfaceless_(use_surfaceless) {
  84     base::AtExitManager::RegisterTask(
  85         base::Bind(&base::DeletePointer<OzonePlatformGbm>, this));
  86   }
  87   virtual ~OzonePlatformGbm() {}
  88
  89   // OzonePlatform:
  90   virtual ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() OVERRIDE {
  91     return surface_factory_ozone_.get();
  92   }
  93   virtual CursorFactoryOzone* GetCursorFactoryOzone() OVERRIDE {
  94     return cursor_factory_ozone_.get();
  95   }
  96   virtual GpuPlatformSupport* GetGpuPlatformSupport() OVERRIDE {
  97     return gpu_platform_support_.get();
  98   }
  99   virtual GpuPlatformSupportHost* GetGpuPlatformSupportHost() OVERRIDE {
 100     return gpu_platform_support_host_.get();
 101   }
 102   virtual scoped_ptr<PlatformWindow> CreatePlatformWindow(
 103       PlatformWindowDelegate* delegate,
 104       const gfx::Rect& bounds) OVERRIDE {
 105     scoped_ptr<DriWindow> platform_window(
 106         new DriWindow(delegate,
 107                       bounds,
 108                       scoped_ptr<DriWindowDelegate>(new DriWindowDelegateProxy(
 109                           window_manager_->NextAcceleratedWidget(),
 110                           gpu_platform_support_host_.get())),
 111                       event_factory_ozone_.get(),
 112                       ui_window_delegate_manager_.get(),
 113                       window_manager_.get()));
 114     platform_window->Initialize();
 115     return platform_window.PassAs<PlatformWindow>();
 116   }
 117 #if defined(OS_CHROMEOS)
 118   virtual scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
 119       OVERRIDE {
 120     return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateProxy(
 121         gpu_platform_support_host_.get(), device_manager_.get()));
 122   }
 123 #endif
 124   virtual void InitializeUI() OVERRIDE {
 125     vt_manager_.reset(new VirtualTerminalManager());
 126     ui_window_delegate_manager_.reset(new DriWindowDelegateManager());
 127     // Needed since the browser process creates the accelerated widgets and that
 128     // happens through SFO.
 129     surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
 130     device_manager_ = CreateDeviceManager();
 131     gpu_platform_support_host_.reset(new GpuPlatformSupportHostGbm());
 132     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
 133     window_manager_.reset(
 134         new DriWindowManager(gpu_platform_support_host_.get()));
 135     event_factory_ozone_.reset(new EventFactoryEvdev(window_manager_->cursor(),
 136                                                      device_manager_.get()));
 137   }
 138
 139   virtual void InitializeGPU() OVERRIDE {
 140     dri_.reset(new DriWrapper(kDefaultGraphicsCardPath));
 141     dri_->Initialize();
 142     buffer_generator_.reset(new GbmBufferGenerator(dri_.get()));
 143     screen_manager_.reset(new ScreenManager(dri_.get(),
 144                                             buffer_generator_.get()));
 145     gpu_window_delegate_manager_.reset(new DriWindowDelegateManager());
 146     if (!surface_factory_ozone_)
 147       surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
 148
 149     surface_factory_ozone_->InitializeGpu(dri_.get(),
 150                                           buffer_generator_->device(),
 151                                           screen_manager_.get(),
 152                                           gpu_window_delegate_manager_.get());
 153     gpu_platform_support_.reset(
 154         new GpuPlatformSupportGbm(surface_factory_ozone_.get(),
 155                                   gpu_window_delegate_manager_.get(),
 156                                   screen_manager_.get()));
 157 #if defined(OS_CHROMEOS)
 158     gpu_platform_support_->AddHandler(scoped_ptr<GpuPlatformSupport>(
 159         new DisplayMessageHandler(
 160             scoped_ptr<NativeDisplayDelegateDri>(new NativeDisplayDelegateDri(
 161                 dri_.get(),
 162                 screen_manager_.get(),
 163                 NULL)))));
 164 #endif
 165     if (surface_factory_ozone_->InitializeHardware() !=
 166         DriSurfaceFactory::INITIALIZED)
 167       LOG(FATAL) << "failed to initialize display hardware";
 168   }
 169
 170  private:
 171   bool use_surfaceless_;
 172   scoped_ptr<VirtualTerminalManager> vt_manager_;
 173   scoped_ptr<DriWrapper> dri_;
 174   scoped_ptr<GbmBufferGenerator> buffer_generator_;
 175   scoped_ptr<ScreenManager> screen_manager_;
 176   scoped_ptr<DeviceManager> device_manager_;
 177
 178   scoped_ptr<GbmSurfaceFactory> surface_factory_ozone_;
 179   scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
 180   scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
 181
 182   scoped_ptr<GpuPlatformSupportGbm> gpu_platform_support_;
 183   scoped_ptr<GpuPlatformSupportHostGbm> gpu_platform_support_host_;
 184
 185   scoped_ptr<DriWindowDelegateManager> gpu_window_delegate_manager_;
 186   // TODO(dnicoara) Once we have a mock channel for the software path the window
 187   // can own the delegates on the browser side. Remove this then.
 188   scoped_ptr<DriWindowDelegateManager> ui_window_delegate_manager_;
 189
 190   // Browser side object only.
 191   scoped_ptr<DriWindowManager> window_manager_;
 192
 193   DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
 194 };
 195
 196 }  // namespace
 197
 198 OzonePlatform* CreateOzonePlatformGbm() {
 199   CommandLine* cmd = CommandLine::ForCurrentProcess();
 200   return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
 201 }
 202
 203 }  // namespace ui