It is time.

ui/ozone/platform/dri/ozone_platform_gbm.cc

-// 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/dri/ozone_platform_gbm.h"
-
-#include <dlfcn.h>
-#include <gbm.h>
-#include <stdlib.h>
-
-#include "base/at_exit.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/ozone/platform/dri/dri_cursor.h"
-#include "ui/ozone/platform/dri/dri_gpu_platform_support.h"
-#include "ui/ozone/platform/dri/dri_gpu_platform_support_host.h"
-#include "ui/ozone/platform/dri/dri_window.h"
-#include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
-#include "ui/ozone/platform/dri/dri_window_manager.h"
-#include "ui/ozone/platform/dri/dri_wrapper.h"
-#include "ui/ozone/platform/dri/gbm_buffer.h"
-#include "ui/ozone/platform/dri/gbm_surface.h"
-#include "ui/ozone/platform/dri/gbm_surface_factory.h"
-#include "ui/ozone/platform/dri/native_display_delegate_dri.h"
-#include "ui/ozone/platform/dri/native_display_delegate_proxy.h"
-#include "ui/ozone/platform/dri/scanout_buffer.h"
-#include "ui/ozone/platform/dri/screen_manager.h"
-#include "ui/ozone/platform/dri/virtual_terminal_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"
-
-namespace ui {
-
-namespace {
-
-const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
-
-class GbmBufferGenerator : public ScanoutBufferGenerator {
- public:
-  GbmBufferGenerator(DriWrapper* dri)
-      : dri_(dri),
-        glapi_lib_(dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL)),
-        device_(gbm_create_device(dri_->get_fd())) {
-    if (!device_)
-      LOG(FATAL) << "Unable to initialize gbm for " << kDefaultGraphicsCardPath;
-  }
-  virtual ~GbmBufferGenerator() {
-    gbm_device_destroy(device_);
-    if (glapi_lib_)
-      dlclose(glapi_lib_);
-  }
-
-  gbm_device* device() const { return device_; }
-
-  virtual scoped_refptr<ScanoutBuffer> Create(const gfx::Size& size) override {
-    return GbmBuffer::CreateBuffer(
-        dri_, device_, SurfaceFactoryOzone::RGBA_8888, size, true);
-  }
-
- protected:
-  DriWrapper* dri_;  // Not owned.
-
-  // HACK: gbm drivers have broken linkage
-  void *glapi_lib_;
-
-  gbm_device* device_;
-
-  DISALLOW_COPY_AND_ASSIGN(GbmBufferGenerator);
-};
-
-class OzonePlatformGbm : public OzonePlatform {
- public:
-  OzonePlatformGbm(bool use_surfaceless) : use_surfaceless_(use_surfaceless) {
-    base::AtExitManager::RegisterTask(
-        base::Bind(&base::DeletePointer<OzonePlatformGbm>, this));
-  }
-  virtual ~OzonePlatformGbm() {}
-
-  // OzonePlatform:
-  virtual ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
-    return surface_factory_ozone_.get();
-  }
-  virtual CursorFactoryOzone* GetCursorFactoryOzone() override {
-    return cursor_factory_ozone_.get();
-  }
-  virtual GpuPlatformSupport* GetGpuPlatformSupport() override {
-    return gpu_platform_support_.get();
-  }
-  virtual GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
-    return gpu_platform_support_host_.get();
-  }
-  virtual scoped_ptr<PlatformWindow> CreatePlatformWindow(
-      PlatformWindowDelegate* delegate,
-      const gfx::Rect& bounds) override {
-    scoped_ptr<DriWindow> platform_window(
-        new DriWindow(delegate,
-                      bounds,
-                      gpu_platform_support_host_.get(),
-                      event_factory_ozone_.get(),
-                      window_manager_.get()));
-    platform_window->Initialize();
-    return platform_window.Pass();
-  }
-  virtual scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
-      override {
-    return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateProxy(
-        gpu_platform_support_host_.get(), device_manager_.get()));
-  }
-  virtual void InitializeUI() override {
-    vt_manager_.reset(new VirtualTerminalManager());
-    // Needed since the browser process creates the accelerated widgets and that
-    // happens through SFO.
-    surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
-    device_manager_ = CreateDeviceManager();
-    gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
-    cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
-    window_manager_.reset(
-        new DriWindowManager(gpu_platform_support_host_.get()));
-    event_factory_ozone_.reset(new EventFactoryEvdev(window_manager_->cursor(),
-                                                     device_manager_.get()));
-  }
-
-  virtual void InitializeGPU() override {
-    dri_.reset(new DriWrapper(kDefaultGraphicsCardPath));
-    dri_->Initialize();
-    buffer_generator_.reset(new GbmBufferGenerator(dri_.get()));
-    screen_manager_.reset(new ScreenManager(dri_.get(),
-                                            buffer_generator_.get()));
-    window_delegate_manager_.reset(new DriWindowDelegateManager());
-    if (!surface_factory_ozone_)
-      surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
-
-    surface_factory_ozone_->InitializeGpu(dri_.get(),
-                                          buffer_generator_->device(),
-                                          screen_manager_.get(),
-                                          window_delegate_manager_.get());
-    gpu_platform_support_.reset(new DriGpuPlatformSupport(
-        surface_factory_ozone_.get(),
-        window_delegate_manager_.get(),
-        screen_manager_.get(),
-        scoped_ptr<NativeDisplayDelegateDri>(new NativeDisplayDelegateDri(
-            dri_.get(), screen_manager_.get(), NULL))));
-    if (surface_factory_ozone_->InitializeHardware() !=
-        DriSurfaceFactory::INITIALIZED)
-      LOG(FATAL) << "failed to initialize display hardware";
-  }
-
- private:
-  bool use_surfaceless_;
-  scoped_ptr<VirtualTerminalManager> vt_manager_;
-  scoped_ptr<DriWrapper> dri_;
-  scoped_ptr<GbmBufferGenerator> buffer_generator_;
-  scoped_ptr<ScreenManager> screen_manager_;
-  scoped_ptr<DeviceManager> device_manager_;
-
-  scoped_ptr<GbmSurfaceFactory> surface_factory_ozone_;
-  scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
-  scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
-
-  scoped_ptr<DriGpuPlatformSupport> gpu_platform_support_;
-  scoped_ptr<DriGpuPlatformSupportHost> gpu_platform_support_host_;
-
-  scoped_ptr<DriWindowDelegateManager> window_delegate_manager_;
-  // Browser side object only.
-  scoped_ptr<DriWindowManager> window_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
-};
-
-}  // namespace
-
-OzonePlatform* CreateOzonePlatformGbm() {
-  CommandLine* cmd = CommandLine::ForCurrentProcess();
-  return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
-}
-
-}  // namespace ui