Move chrome\gpu to content\gpu.

chrome/gpu/gpu_thread.cc

Index: chrome/gpu/gpu_thread.cc
===================================================================
--- chrome/gpu/gpu_thread.cc	(revision 77878)
+++ chrome/gpu/gpu_thread.cc	(working copy)
@@ -1,347 +0,0 @@
-// Copyright (c) 2010 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 "chrome/gpu/gpu_thread.h"
-
-#include <string>
-#include <vector>
-
-#include "app/gfx/gl/gl_context.h"
-#include "app/gfx/gl/gl_implementation.h"
-#include "app/win/scoped_com_initializer.h"
-#include "base/command_line.h"
-#include "base/threading/worker_pool.h"
-#include "build/build_config.h"
-#include "chrome/gpu/gpu_info_collector.h"
-#include "chrome/gpu/gpu_watchdog_thread.h"
-#include "content/common/child_process.h"
-#include "content/common/content_client.h"
-#include "content/common/content_switches.h"
-#include "content/common/gpu_messages.h"
-#include "ipc/ipc_channel_handle.h"
-
-#if defined(OS_MACOSX)
-#include "content/common/sandbox_init_wrapper.h"
-#include "content/common/sandbox_mac.h"
-#elif defined(OS_WIN)
-#include "sandbox/src/sandbox.h"
-#endif
-
-const int kGpuTimeout = 10000;
-
-namespace {
-
-bool InitializeGpuSandbox() {
-#if defined(OS_MACOSX)
-  CommandLine* parsed_command_line = CommandLine::ForCurrentProcess();
-  SandboxInitWrapper sandbox_wrapper;
-  return sandbox_wrapper.InitializeSandbox(*parsed_command_line,
-                                           switches::kGpuProcess);
-#else
-  // TODO(port): Create GPU sandbox for linux.
-  return true;
-#endif
-}
-
-}  // namespace
-
-#if defined(OS_WIN)
-GpuThread::GpuThread(sandbox::TargetServices* target_services)
-    : target_services_(target_services) {
-}
-#else
-GpuThread::GpuThread() {
-}
-#endif
-
-GpuThread::GpuThread(const std::string& channel_id)
-    : ChildThread(channel_id) {
-#if defined(OS_WIN)
-  target_services_ = NULL;
-#endif
-}
-
-
-GpuThread::~GpuThread() {
-  logging::SetLogMessageHandler(NULL);
-}
-
-void GpuThread::Init(const base::Time& process_start_time) {
-  process_start_time_ = process_start_time;
-}
-
-void GpuThread::RemoveChannel(int renderer_id) {
-  gpu_channels_.erase(renderer_id);
-}
-
-bool GpuThread::OnControlMessageReceived(const IPC::Message& msg) {
-  bool msg_is_ok = true;
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(GpuThread, msg, msg_is_ok)
-    IPC_MESSAGE_HANDLER(GpuMsg_Initialize, OnInitialize)
-    IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel, OnEstablishChannel)
-    IPC_MESSAGE_HANDLER(GpuMsg_CloseChannel, OnCloseChannel)
-    IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
-                        OnCreateViewCommandBuffer);
-    IPC_MESSAGE_HANDLER(GpuMsg_Synchronize, OnSynchronize)
-    IPC_MESSAGE_HANDLER(GpuMsg_CollectGraphicsInfo, OnCollectGraphicsInfo)
-#if defined(OS_MACOSX)
-    IPC_MESSAGE_HANDLER(GpuMsg_AcceleratedSurfaceBuffersSwappedACK,
-                        OnAcceleratedSurfaceBuffersSwappedACK)
-    IPC_MESSAGE_HANDLER(GpuMsg_DidDestroyAcceleratedSurface,
-                        OnDidDestroyAcceleratedSurface)
-#endif
-    IPC_MESSAGE_HANDLER(GpuMsg_Crash, OnCrash)
-    IPC_MESSAGE_HANDLER(GpuMsg_Hang, OnHang)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
-  return handled;
-}
-
-namespace {
-
-bool GpuProcessLogMessageHandler(int severity,
-                                 const char* file, int line,
-                                 size_t message_start,
-                                 const std::string& str) {
-  std::string header = str.substr(0, message_start);
-  std::string message = str.substr(message_start);
-  ChildThread::current()->Send(
-      new GpuHostMsg_OnLogMessage(severity, header, message));
-  return false;
-}
-
-}  // namespace
-
-void GpuThread::OnInitialize() {
-  // Redirect LOG messages to the GpuProcessHost
-  bool single_process = CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kSingleProcess);
-  if (!single_process)
-    logging::SetLogMessageHandler(GpuProcessLogMessageHandler);
-
-  // Load the GL implementation and locate the bindings before starting the GPU
-  // watchdog because this can take a lot of time and the GPU watchdog might
-  // terminate the GPU process.
-  if (!gfx::GLContext::InitializeOneOff()) {
-    LOG(INFO) << "GLContext::InitializeOneOff failed";
-    MessageLoop::current()->Quit();
-    return;
-  }
-  bool gpu_info_result = gpu_info_collector::CollectGraphicsInfo(&gpu_info_);
-  if (!gpu_info_result) {
-    gpu_info_.collection_error = true;
-    LOG(ERROR) << "gpu_info_collector::CollectGraphicsInfo() failed";
-  }
-
-  content::GetContentClient()->SetGpuInfo(gpu_info_);
-  LOG(INFO) << "gpu_info_collector::CollectGraphicsInfo complete";
-
-  // Record initialization only after collecting the GPU info because that can
-  // take a significant amount of time.
-  gpu_info_.initialization_time = base::Time::Now() - process_start_time_;
-
-#if defined (OS_MACOSX)
-  // Note that kNoSandbox will also disable the GPU sandbox.
-  bool no_gpu_sandbox = CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kNoGpuSandbox);
-  if (!no_gpu_sandbox) {
-    if (!InitializeGpuSandbox()) {
-      LOG(ERROR) << "Failed to initialize the GPU sandbox";
-      MessageLoop::current()->Quit();
-      return;
-    }
-  } else {
-    LOG(ERROR) << "Running without GPU sandbox";
-  }
-#elif defined(OS_WIN)
-  // For windows, if the target_services interface is not zero, the process
-  // is sandboxed and we must call LowerToken() before rendering untrusted
-  // content.
-  if (target_services_)
-    target_services_->LowerToken();
-#endif
-
-  // In addition to disabling the watchdog if the command line switch is
-  // present, disable it in two other cases. OSMesa is expected to run very
-  // slowly.  Also disable the watchdog on valgrind because the code is expected
-  // to run slowly in that case.
-  bool enable_watchdog =
-      !CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kDisableGpuWatchdog) &&
-      gfx::GetGLImplementation() != gfx::kGLImplementationOSMesaGL &&
-      !RunningOnValgrind();
-
-  // Disable the watchdog in debug builds because they tend to only be run by
-  // developers who will not appreciate the watchdog killing the GPU process.
-#ifndef NDEBUG
-  enable_watchdog = false;
-#endif
-
-  // Disable the watchdog for Windows. It tends to abort when the GPU process
-  // is not hung but still taking a long time to do something. Instead, the
-  // browser process displays a dialog when it notices that the child window
-  // is hung giving the user an opportunity to terminate it. This is the
-  // same mechanism used to abort hung plugins.
-#if defined(OS_WIN)
-  enable_watchdog = false;
-#endif
-
-  // Start the GPU watchdog only after anything that is expected to be time
-  // consuming has completed, otherwise the process is liable to be aborted.
-  if (enable_watchdog) {
-    watchdog_thread_ = new GpuWatchdogThread(kGpuTimeout);
-    watchdog_thread_->Start();
-  }
-}
-
-void GpuThread::StopWatchdog() {
-  if (watchdog_thread_.get()) {
-    watchdog_thread_->Stop();
-  }
-}
-
-void GpuThread::OnEstablishChannel(int renderer_id) {
-  scoped_refptr<GpuChannel> channel;
-  IPC::ChannelHandle channel_handle;
-  GPUInfo gpu_info;
-
-  GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
-  if (iter == gpu_channels_.end())
-    channel = new GpuChannel(this, renderer_id);
-  else
-    channel = iter->second;
-
-  DCHECK(channel != NULL);
-
-  if (channel->Init())
-    gpu_channels_[renderer_id] = channel;
-  else
-    channel = NULL;
-
-  if (channel.get()) {
-    channel_handle.name = channel->GetChannelName();
-#if defined(OS_POSIX)
-    // On POSIX, pass the renderer-side FD. Also mark it as auto-close so
-    // that it gets closed after it has been sent.
-    int renderer_fd = channel->GetRendererFileDescriptor();
-    channel_handle.socket = base::FileDescriptor(renderer_fd, false);
-#endif
-  }
-
-  Send(new GpuHostMsg_ChannelEstablished(channel_handle, gpu_info_));
-}
-
-void GpuThread::OnCloseChannel(const IPC::ChannelHandle& channel_handle) {
-  for (GpuChannelMap::iterator iter = gpu_channels_.begin();
-       iter != gpu_channels_.end(); ++iter) {
-    if (iter->second->GetChannelName() == channel_handle.name) {
-      gpu_channels_.erase(iter);
-      return;
-    }
-  }
-}
-
-void GpuThread::OnSynchronize() {
-  Send(new GpuHostMsg_SynchronizeReply());
-}
-
-void GpuThread::OnCollectGraphicsInfo(GPUInfo::Level level) {
-#if defined(OS_WIN)
-  if (level == GPUInfo::kComplete && gpu_info_.level <= GPUInfo::kPartial) {
-    // Prevent concurrent collection of DirectX diagnostics.
-    gpu_info_.level = GPUInfo::kCompleting;
-
-    // Asynchronously collect the DirectX diagnostics because this can take a
-    // couple of seconds.
-    if (!base::WorkerPool::PostTask(
-        FROM_HERE,
-        NewRunnableFunction(&GpuThread::CollectDxDiagnostics, this),
-        true)) {
-
-      // Flag GPU info as complete if the DirectX diagnostics cannot be
-      // collected.
-      gpu_info_.level = GPUInfo::kComplete;
-    } else {
-      // Do not send response if we are still completing the GPUInfo struct
-      return;
-    }
-  }
-#endif
-  Send(new GpuHostMsg_GraphicsInfoCollected(gpu_info_));
-}
-
-void GpuThread::OnCreateViewCommandBuffer(
-    gfx::PluginWindowHandle window,
-    int32 render_view_id,
-    int32 renderer_id,
-    const GPUCreateCommandBufferConfig& init_params) {
-  int32 route_id = MSG_ROUTING_NONE;
-
-  GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
-  if (iter != gpu_channels_.end()) {
-    iter->second->CreateViewCommandBuffer(
-        window, render_view_id, init_params, &route_id);
-  }
-
-  Send(new GpuHostMsg_CommandBufferCreated(route_id));
-}
-
-#if defined(OS_MACOSX)
-void GpuThread::OnAcceleratedSurfaceBuffersSwappedACK(
-    int renderer_id, int32 route_id, uint64 swap_buffers_count) {
-  GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
-  if (iter == gpu_channels_.end())
-    return;
-  scoped_refptr<GpuChannel> channel = iter->second;
-  channel->AcceleratedSurfaceBuffersSwapped(route_id, swap_buffers_count);
-}
-void GpuThread::OnDidDestroyAcceleratedSurface(
-    int renderer_id, int32 renderer_route_id) {
-  GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
-  if (iter == gpu_channels_.end())
-    return;
-  scoped_refptr<GpuChannel> channel = iter->second;
-  channel->DidDestroySurface(renderer_route_id);
-}
-#endif
-
-void GpuThread::OnCrash() {
-  LOG(INFO) << "GPU: Simulating GPU crash";
-  // Good bye, cruel world.
-  volatile int* it_s_the_end_of_the_world_as_we_know_it = NULL;
-  *it_s_the_end_of_the_world_as_we_know_it = 0xdead;
-}
-
-void GpuThread::OnHang() {
-  LOG(INFO) << "GPU: Simulating GPU hang";
-  for (;;) {
-    // Do not sleep here. The GPU watchdog timer tracks the amount of user
-    // time this thread is using and it doesn't use much while calling Sleep.
-  }
-}
-
-#if defined(OS_WIN)
-
-// Runs on a worker thread. The GpuThread never terminates voluntarily so it is
-// safe to assume that its message loop is valid.
-void GpuThread::CollectDxDiagnostics(GpuThread* thread) {
-  app::win::ScopedCOMInitializer com_initializer;
-
-  DxDiagNode node;
-  gpu_info_collector::GetDxDiagnostics(&node);
-
-  thread->message_loop()->PostTask(
-      FROM_HERE,
-      NewRunnableFunction(&GpuThread::SetDxDiagnostics, thread, node));
-}
-
-// Runs on the GPU thread.
-void GpuThread::SetDxDiagnostics(GpuThread* thread, const DxDiagNode& node) {
-  thread->gpu_info_.dx_diagnostics = node;
-  thread->gpu_info_.level = GPUInfo::kComplete;
-  thread->Send(new GpuHostMsg_GraphicsInfoCollected(thread->gpu_info_));
-}
-
-#endif