gpu: Compositor management of GpuMemoryBuffer instances.

content/renderer/render_thread_impl.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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/values.h"
 #include "cc/base/switches.h"
 #include "cc/blink/web_external_bitmap_impl.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/resources/raster_worker_pool.h"
 #include "content/child/appcache/appcache_dispatcher.h"
 #include "content/child/appcache/appcache_frontend_impl.h"
+#include "content/child/child_gpu_memory_buffer_manager.h"
 #include "content/child/child_histogram_message_filter.h"
 #include "content/child/content_child_helpers.h"
 #include "content/child/db_message_filter.h"
 #include "content/child/indexed_db/indexed_db_dispatcher.h"
 #include "content/child/indexed_db/indexed_db_message_filter.h"
 #include "content/child/npapi/npobject_util.h"
 #include "content/child/plugin_messages.h"
 #include "content/child/resource_dispatcher.h"
 #include "content/child/runtime_features.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/web_database_observer_impl.h"
 #include "content/child/worker_task_runner.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/database_messages.h"
 #include "content/common/dom_storage/dom_storage_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
-#include "content/common/gpu/client/gpu_memory_buffer_impl.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/render_frame_setup.mojom.h"
 #include "content/common/resource_messages.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/renderer_preferences.h"
@@ skipping 253 matching lines @@
 blink::WebGraphicsContext3D::Attributes GetOffscreenAttribs() {
   blink::WebGraphicsContext3D::Attributes attributes;
   attributes.shareResources = true;
   attributes.depth = false;
   attributes.stencil = false;
   attributes.antialias = false;
   attributes.noAutomaticFlushes = true;
   return attributes;
 }
 
-void DeletedGpuMemoryBuffer(ThreadSafeSender* sender,
-                            gfx::GpuMemoryBufferType type,
-                            const gfx::GpuMemoryBufferId& id) {
-  TRACE_EVENT0("renderer", "RenderThreadImpl::DeletedGpuMemoryBuffer");
-  sender->Send(new ChildProcessHostMsg_DeletedGpuMemoryBuffer(type, id));
-}
-
 }  // namespace
 
 // For measuring memory usage after each task. Behind a command line flag.
 class MemoryObserver : public base::MessageLoop::TaskObserver {
  public:
   MemoryObserver() {}
   virtual ~MemoryObserver() {}
 
   virtual void WillProcessTask(const base::PendingTask& pending_task) override {
   }
@@ skipping 209 matching lines @@
                   supported_types.end(),
                   requested_type) != supported_types.end()) {
       type = requested_type;
     } else {
       LOG(ERROR) << "Requested discardable memory type is not supported.";
     }
   }
 
   base::DiscardableMemory::SetPreferredType(type);
 
-  // AllocateGpuMemoryBuffer must be used exclusively on one thread but
-  // it doesn't have to be the same thread RenderThreadImpl is created on.
-  allocate_gpu_memory_buffer_thread_checker_.DetachFromThread();
-
   if (is_impl_side_painting_enabled_) {
     int num_raster_threads = 0;
     std::string string_value =
         command_line.GetSwitchValueASCII(switches::kNumRasterThreads);
     bool parsed_num_raster_threads =
         base::StringToInt(string_value, &num_raster_threads);
     DCHECK(parsed_num_raster_threads) << string_value;
     DCHECK_GT(num_raster_threads, 0);
     cc::RasterWorkerPool::SetNumRasterThreads(num_raster_threads);
   }
@@ skipping 675 matching lines @@
       init_params,
       route_id,
       &result);
 
   // Allow calling this from the compositor thread.
   thread_safe_sender()->Send(message);
 
   return result;
 }
 
-scoped_ptr<gfx::GpuMemoryBuffer> RenderThreadImpl::AllocateGpuMemoryBuffer(
-    size_t width,
-    size_t height,
-    unsigned internalformat,
-    unsigned usage) {
-  TRACE_EVENT0("renderer", "RenderThreadImpl::AllocateGpuMemoryBuffer");
-
-  DCHECK(allocate_gpu_memory_buffer_thread_checker_.CalledOnValidThread());
-
-  if (!GpuMemoryBufferImpl::IsFormatValid(internalformat))
-    return scoped_ptr<gfx::GpuMemoryBuffer>();
-
-  gfx::GpuMemoryBufferHandle handle;
-  bool success;
-  IPC::Message* message = new ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer(
-      width, height, internalformat, usage, &handle);
-
-  // Allow calling this from the compositor thread.
-  if (base::MessageLoop::current() == message_loop())
-    success = ChildThread::Send(message);
-  else
-    success = sync_message_filter()->Send(message);
-
-  if (!success)
-    return scoped_ptr<gfx::GpuMemoryBuffer>();
-
-  scoped_ptr<GpuMemoryBufferImpl> buffer(GpuMemoryBufferImpl::CreateFromHandle(
-      handle,
-      gfx::Size(width, height),
-      internalformat,
-      base::Bind(&DeletedGpuMemoryBuffer,
-                 make_scoped_refptr(thread_safe_sender()),
-                 handle.type,
-                 handle.global_id)));
-  if (!buffer) {
-    thread_safe_sender()->Send(new ChildProcessHostMsg_DeletedGpuMemoryBuffer(
-        handle.type, handle.global_id));
-    return scoped_ptr<gfx::GpuMemoryBuffer>();
-  }
-
-  return buffer.PassAs<gfx::GpuMemoryBuffer>();
-}
-
 void RenderThreadImpl::DoNotSuspendWebKitSharedTimer() {
   suspend_webkit_shared_timer_ = false;
 }
 
 void RenderThreadImpl::DoNotNotifyWebKitOfModalLoop() {
   notify_webkit_of_modal_loop_ = false;
 }
 
 bool RenderThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
   ObserverListBase<RenderProcessObserver>::Iterator it(observers_);
@@ skipping 106 matching lines @@
     // Otherwise cancel the connection.
     return NULL;
   }
 
   GetContentClient()->SetGpuInfo(gpu_info);
 
   // Cache some variables that are needed on the compositor thread for our
   // implementation of GpuChannelHostFactory.
   io_message_loop_proxy_ = ChildProcess::current()->io_message_loop_proxy();
 
-  gpu_channel_ = GpuChannelHost::Create(
-      this, gpu_info, channel_handle,
-      ChildProcess::current()->GetShutDownEvent());
+  gpu_channel_ =
+      GpuChannelHost::Create(this,
+                             gpu_info,
+                             channel_handle,
+                             ChildProcess::current()->GetShutDownEvent(),
+                             gpu_memory_buffer_manager());
   return gpu_channel_.get();
 }
 
 blink::WebMediaStreamCenter* RenderThreadImpl::CreateMediaStreamCenter(
     blink::WebMediaStreamCenterClient* client) {
 #if defined(OS_ANDROID)
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableWebRTC))
     return NULL;
 #endif
@@ skipping 190 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content