GL Implementation for GPU Discardable

gpu/ipc/service/gpu_channel_manager.cc

 // 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"
@@ skipping 48 matching lines @@
       gpu_preferences_(gpu_preferences),
       gpu_driver_bug_workarounds_(base::CommandLine::ForCurrentProcess()),
       delegate_(delegate),
       watchdog_(watchdog),
       share_group_(new gl::GLShareGroup()),
       mailbox_manager_(gles2::MailboxManager::Create(gpu_preferences)),
       gpu_memory_manager_(this),
       sync_point_manager_(sync_point_manager),
       gpu_memory_buffer_factory_(gpu_memory_buffer_factory),
       gpu_feature_info_(gpu_feature_info),
+      discardable_manager_(new ServiceDiscardableManager()),
       exiting_for_lost_context_(false),
       activity_flags_(std::move(activity_flags)),
       weak_factory_(this) {
   DCHECK(task_runner);
   DCHECK(io_task_runner);
   if (gpu_preferences_.ui_prioritize_in_gpu_process)
     preemption_flag_ = new PreemptionFlag;
 }
 
 GpuChannelManager::~GpuChannelManager() {
@@ skipping 45 matching lines @@
 GpuChannel* GpuChannelManager::LookupChannel(int32_t client_id) const {
   const auto& it = gpu_channels_.find(client_id);
   return it != gpu_channels_.end() ? it->second.get() : nullptr;
 }
 
 GpuChannel* GpuChannelManager::EstablishChannel(int client_id,
                                                 uint64_t client_tracing_id,
                                                 bool is_gpu_host) {
   std::unique_ptr<GpuChannel> gpu_channel = base::MakeUnique<GpuChannel>(
       this, sync_point_manager_, watchdog_, share_group_, mailbox_manager_,
-      is_gpu_host ? preemption_flag_ : nullptr,
+      discardable_manager_, is_gpu_host ? preemption_flag_ : nullptr,
       is_gpu_host ? nullptr : preemption_flag_, task_runner_, io_task_runner_,
       client_id, client_tracing_id, is_gpu_host);
 
   GpuChannel* gpu_channel_ptr = gpu_channel.get();
   gpu_channels_[client_id] = std::move(gpu_channel);
   return gpu_channel_ptr;
 }
 
 void GpuChannelManager::InternalDestroyGpuMemoryBuffer(
     gfx::GpuMemoryBufferId id,
@@ skipping 101 matching lines @@
     }
   }
   if (!stub || !stub->decoder()->MakeCurrent())
     return;
   glFinish();
   DidAccessGpu();
 }
 #endif
 
 }  // namespace gpu