Revert of Refactor content/common/gpu into gpu/ipc/service

gpu/ipc/service/gpu_channel_manager.cc

Index: gpu/ipc/service/gpu_channel_manager.cc
diff --git a/gpu/ipc/service/gpu_channel_manager.cc b/gpu/ipc/service/gpu_channel_manager.cc
deleted file mode 100644
index 1edf84976ac6ff3ce99709188d0ccf027d8fd85f..0000000000000000000000000000000000000000
--- a/gpu/ipc/service/gpu_channel_manager.cc
+++ /dev/null
@@ -1,309 +0,0 @@
-// Copyright (c) 2012 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 "gpu/ipc/service/gpu_channel_manager.h"
-
-#include <algorithm>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
-#include "build/build_config.h"
-#include "gpu/command_buffer/common/sync_token.h"
-#include "gpu/command_buffer/common/value_state.h"
-#include "gpu/command_buffer/service/feature_info.h"
-#include "gpu/command_buffer/service/mailbox_manager.h"
-#include "gpu/command_buffer/service/memory_program_cache.h"
-#include "gpu/command_buffer/service/shader_translator_cache.h"
-#include "gpu/command_buffer/service/sync_point_manager.h"
-#include "gpu/ipc/common/gpu_messages.h"
-#include "gpu/ipc/service/gpu_channel.h"
-#include "gpu/ipc/service/gpu_channel_manager_delegate.h"
-#include "gpu/ipc/service/gpu_memory_buffer_factory.h"
-#include "gpu/ipc/service/gpu_memory_manager.h"
-#include "ui/gl/gl_bindings.h"
-#include "ui/gl/gl_share_group.h"
-
-namespace gpu {
-
-namespace {
-#if defined(OS_ANDROID)
-// Amount of time we expect the GPU to stay powered up without being used.
-const int kMaxGpuIdleTimeMs = 40;
-// Maximum amount of time we keep pinging the GPU waiting for the client to
-// draw.
-const int kMaxKeepAliveTimeMs = 200;
-#endif
-
-}
-
-GpuChannelManager::GpuChannelManager(
-    const GpuPreferences& gpu_preferences,
-    GpuChannelManagerDelegate* delegate,
-    GpuWatchdog* watchdog,
-    base::SingleThreadTaskRunner* task_runner,
-    base::SingleThreadTaskRunner* io_task_runner,
-    base::WaitableEvent* shutdown_event,
-    SyncPointManager* sync_point_manager,
-    GpuMemoryBufferFactory* gpu_memory_buffer_factory)
-    : task_runner_(task_runner),
-      io_task_runner_(io_task_runner),
-      gpu_preferences_(gpu_preferences),
-      delegate_(delegate),
-      watchdog_(watchdog),
-      shutdown_event_(shutdown_event),
-      share_group_(new gfx::GLShareGroup),
-      mailbox_manager_(gles2::MailboxManager::Create(gpu_preferences)),
-      gpu_memory_manager_(this),
-      sync_point_manager_(sync_point_manager),
-      sync_point_client_waiter_(
-          sync_point_manager->CreateSyncPointClientWaiter()),
-      gpu_memory_buffer_factory_(gpu_memory_buffer_factory),
-      weak_factory_(this) {
-  DCHECK(task_runner);
-  DCHECK(io_task_runner);
-  if (gpu_preferences_.ui_prioritize_in_gpu_process)
-    preemption_flag_ = new PreemptionFlag;
-}
-
-GpuChannelManager::~GpuChannelManager() {
-  // Destroy channels before anything else because of dependencies.
-  gpu_channels_.clear();
-  if (default_offscreen_surface_.get()) {
-    default_offscreen_surface_->Destroy();
-    default_offscreen_surface_ = NULL;
-  }
-}
-
-gles2::ProgramCache* GpuChannelManager::program_cache() {
-  if (!program_cache_.get() &&
-      (gfx::g_driver_gl.ext.b_GL_ARB_get_program_binary ||
-       gfx::g_driver_gl.ext.b_GL_OES_get_program_binary) &&
-      !gpu_preferences_.disable_gpu_program_cache) {
-    program_cache_.reset(new gles2::MemoryProgramCache(
-          gpu_preferences_.gpu_program_cache_size,
-          gpu_preferences_.disable_gpu_shader_disk_cache));
-  }
-  return program_cache_.get();
-}
-
-gles2::ShaderTranslatorCache*
-GpuChannelManager::shader_translator_cache() {
-  if (!shader_translator_cache_.get()) {
-    shader_translator_cache_ =
-        new gles2::ShaderTranslatorCache(gpu_preferences_);
-  }
-  return shader_translator_cache_.get();
-}
-
-gles2::FramebufferCompletenessCache*
-GpuChannelManager::framebuffer_completeness_cache() {
-  if (!framebuffer_completeness_cache_.get())
-    framebuffer_completeness_cache_ =
-        new gles2::FramebufferCompletenessCache;
-  return framebuffer_completeness_cache_.get();
-}
-
-void GpuChannelManager::RemoveChannel(int client_id) {
-  delegate_->DidDestroyChannel(client_id);
-  gpu_channels_.erase(client_id);
-}
-
-#if defined(OS_MACOSX)
-void GpuChannelManager::AddBufferPresentedCallback(
-    int32_t surface_id,
-    const BufferPresentedCallback& callback) {
-  DCHECK(buffer_presented_callback_map_.find(surface_id) ==
-         buffer_presented_callback_map_.end());
-  buffer_presented_callback_map_[surface_id] = callback;
-}
-
-void GpuChannelManager::RemoveBufferPresentedCallback(int32_t surface_id) {
-  auto it = buffer_presented_callback_map_.find(surface_id);
-  DCHECK(it != buffer_presented_callback_map_.end());
-  buffer_presented_callback_map_.erase(it);
-}
-
-void GpuChannelManager::BufferPresented(int32_t surface_id,
-                                        const base::TimeTicks& vsync_timebase,
-                                        const base::TimeDelta& vsync_interval) {
-  auto it = buffer_presented_callback_map_.find(surface_id);
-  if (it != buffer_presented_callback_map_.end())
-    it->second.Run(surface_id, vsync_timebase, vsync_interval);
-}
-#endif
-
-GpuChannel* GpuChannelManager::LookupChannel(int32_t client_id) const {
-  const auto& it = gpu_channels_.find(client_id);
-  return it != gpu_channels_.end() ? it->second : nullptr;
-}
-
-scoped_ptr<GpuChannel> GpuChannelManager::CreateGpuChannel(
-    int client_id,
-    uint64_t client_tracing_id,
-    bool preempts,
-    bool allow_view_command_buffers,
-    bool allow_real_time_streams) {
-  return make_scoped_ptr(
-      new GpuChannel(this, sync_point_manager(), watchdog_, share_group(),
-                     mailbox_manager(), preempts ? preemption_flag() : nullptr,
-                     preempts ? nullptr : preemption_flag(), task_runner_.get(),
-                     io_task_runner_.get(), client_id, client_tracing_id,
-                     allow_view_command_buffers, allow_real_time_streams));
-}
-
-IPC::ChannelHandle GpuChannelManager::EstablishChannel(
-    int client_id,
-    uint64_t client_tracing_id,
-    bool preempts,
-    bool allow_view_command_buffers,
-    bool allow_real_time_streams) {
-  scoped_ptr<GpuChannel> channel(
-      CreateGpuChannel(client_id, client_tracing_id, preempts,
-                       allow_view_command_buffers, allow_real_time_streams));
-  IPC::ChannelHandle channel_handle = channel->Init(shutdown_event_);
-  gpu_channels_.set(client_id, std::move(channel));
-  return channel_handle;
-}
-
-void GpuChannelManager::InternalDestroyGpuMemoryBuffer(
-    gfx::GpuMemoryBufferId id,
-    int client_id) {
-  io_task_runner_->PostTask(
-      FROM_HERE,
-      base::Bind(&GpuChannelManager::InternalDestroyGpuMemoryBufferOnIO,
-                 base::Unretained(this), id, client_id));
-}
-
-void GpuChannelManager::InternalDestroyGpuMemoryBufferOnIO(
-    gfx::GpuMemoryBufferId id,
-    int client_id) {
-  gpu_memory_buffer_factory_->DestroyGpuMemoryBuffer(id, client_id);
-}
-
-void GpuChannelManager::DestroyGpuMemoryBuffer(
-    gfx::GpuMemoryBufferId id,
-    int client_id,
-    const SyncToken& sync_token) {
-  if (sync_token.HasData()) {
-    scoped_refptr<SyncPointClientState> release_state =
-        sync_point_manager()->GetSyncPointClientState(
-            sync_token.namespace_id(), sync_token.command_buffer_id());
-    if (release_state) {
-      sync_point_client_waiter_->WaitOutOfOrder(
-          release_state.get(), sync_token.release_count(),
-          base::Bind(&GpuChannelManager::InternalDestroyGpuMemoryBuffer,
-                     base::Unretained(this), id, client_id));
-      return;
-    }
-  }
-
-  // No sync token or invalid sync token, destroy immediately.
-  InternalDestroyGpuMemoryBuffer(id, client_id);
-}
-
-void GpuChannelManager::UpdateValueState(int client_id,
-                                         unsigned int target,
-                                         const ValueState& state) {
-  // Only pass updated state to the channel corresponding to the
-  // render_widget_host where the event originated.
-  auto it = gpu_channels_.find(client_id);
-  if (it != gpu_channels_.end())
-    it->second->HandleUpdateValueState(target, state);
-}
-
-void GpuChannelManager::PopulateShaderCache(const std::string& program_proto) {
-  if (program_cache())
-    program_cache()->LoadProgram(program_proto);
-}
-
-uint32_t GpuChannelManager::GetUnprocessedOrderNum() const {
-  uint32_t unprocessed_order_num = 0;
-  for (auto& kv : gpu_channels_) {
-    unprocessed_order_num =
-        std::max(unprocessed_order_num, kv.second->GetUnprocessedOrderNum());
-  }
-  return unprocessed_order_num;
-}
-
-uint32_t GpuChannelManager::GetProcessedOrderNum() const {
-  uint32_t processed_order_num = 0;
-  for (auto& kv : gpu_channels_) {
-    processed_order_num =
-        std::max(processed_order_num, kv.second->GetProcessedOrderNum());
-  }
-  return processed_order_num;
-}
-
-void GpuChannelManager::LoseAllContexts() {
-  for (auto& kv : gpu_channels_) {
-    kv.second->MarkAllContextsLost();
-  }
-  task_runner_->PostTask(FROM_HERE,
-                         base::Bind(&GpuChannelManager::DestroyAllChannels,
-                                    weak_factory_.GetWeakPtr()));
-}
-
-void GpuChannelManager::DestroyAllChannels() {
-  gpu_channels_.clear();
-}
-
-gfx::GLSurface* GpuChannelManager::GetDefaultOffscreenSurface() {
-  if (!default_offscreen_surface_.get()) {
-    default_offscreen_surface_ =
-        gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size());
-  }
-  return default_offscreen_surface_.get();
-}
-
-#if defined(OS_ANDROID)
-void GpuChannelManager::DidAccessGpu() {
-  last_gpu_access_time_ = base::TimeTicks::Now();
-}
-
-void GpuChannelManager::WakeUpGpu() {
-  begin_wake_up_time_ = base::TimeTicks::Now();
-  ScheduleWakeUpGpu();
-}
-
-void GpuChannelManager::ScheduleWakeUpGpu() {
-  base::TimeTicks now = base::TimeTicks::Now();
-  TRACE_EVENT2("gpu", "GpuChannelManager::ScheduleWakeUp",
-               "idle_time", (now - last_gpu_access_time_).InMilliseconds(),
-               "keep_awake_time", (now - begin_wake_up_time_).InMilliseconds());
-  if (now - last_gpu_access_time_ <
-      base::TimeDelta::FromMilliseconds(kMaxGpuIdleTimeMs))
-    return;
-  if (now - begin_wake_up_time_ >
-      base::TimeDelta::FromMilliseconds(kMaxKeepAliveTimeMs))
-    return;
-
-  DoWakeUpGpu();
-
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE, base::Bind(&GpuChannelManager::ScheduleWakeUpGpu,
-                            weak_factory_.GetWeakPtr()),
-      base::TimeDelta::FromMilliseconds(kMaxGpuIdleTimeMs));
-}
-
-void GpuChannelManager::DoWakeUpGpu() {
-  const GpuCommandBufferStub* stub = nullptr;
-  for (const auto& kv : gpu_channels_) {
-    const GpuChannel* channel = kv.second;
-    stub = channel->GetOneStub();
-    if (stub) {
-      DCHECK(stub->decoder());
-      break;
-    }
-  }
-  if (!stub || !stub->decoder()->MakeCurrent())
-    return;
-  glFinish();
-  DidAccessGpu();
-}
-#endif
-
-}  // namespace gpu