chromium/components/viz/demo/demo_main.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <utility>

#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/i18n/icu_util.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_executor.h"
#include "base/task/thread_pool/thread_pool_instance.h"
#include "base/threading/thread.h"
#include "build/build_config.h"
#include "components/viz/demo/common/switches.h"
#include "components/viz/demo/host/demo_host.h"
#include "components/viz/demo/service/demo_service.h"
#include "mojo/core/embedder/embedder.h"
#include "mojo/core/embedder/scoped_ipc_support.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/gl/init/gl_factory.h"
#include "ui/platform_window/platform_window.h"
#include "ui/platform_window/platform_window_delegate.h"
#include "ui/platform_window/platform_window_init_properties.h"

#if BUILDFLAG(IS_OZONE)
#include "ui/ozone/public/ozone_gpu_test_helper.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/ozone/public/surface_factory_ozone.h"
#endif

#if BUILDFLAG(IS_WIN)
#include "ui/platform_window/win/win_window.h"
#endif

namespace {

// Initializes and owns the components from base necessary to run the app.
class InitBase { … };

// Initializes and owns mojo.
class InitMojo { … };

// Initializes and owns the UI components needed for the app.
class InitUI { … };

// DemoWindow creates the native window for the demo app. The native window
// provides a gfx::AcceleratedWidget, which is needed for the display
// compositor.
class DemoWindow : public ui::PlatformWindowDelegate { … };

int DemoMain() { … }

#if BUILDFLAG(IS_OZONE)
std::unique_ptr<ui::OzoneGpuTestHelper> gpu_helper;

static void SetupOzone(base::WaitableEvent* done) { … }
#endif

}  // namespace

int main(int argc, char** argv) { … }