Sample code: IPC Transport object for GPU

content/browser/gpu/browser_gpu_channel_host_factory.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/browser/gpu/browser_gpu_channel_host_factory.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/gpu/shader_disk_cache.h"
 #include "content/common/child_process_host_impl.h"
+#include "content/common/gpu/client/ipc/chrome/chrome_gpu_channel_host_ipc_transport.h"
+#include "content/common/gpu/gpu_create_command_buffer_config.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/gpu_data_manager.h"
 #include "content/public/common/content_client.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/message_filter.h"
 
 namespace content {
@@ skipping 252 matching lines @@
 BrowserGpuChannelHostFactory::AllocateSharedMemory(size_t size) {
   scoped_ptr<base::SharedMemory> shm(new base::SharedMemory());
   if (!shm->CreateAnonymous(size))
     return scoped_ptr<base::SharedMemory>();
   return shm;
 }
 
 void BrowserGpuChannelHostFactory::CreateViewCommandBufferOnIO(
     CreateRequest* request,
     int32_t surface_id,
-    const GPUCreateCommandBufferConfig& init_params) {
+    const GpuCreateCommandBufferConfig& init_params) {
   GpuProcessHost* host = GpuProcessHost::FromID(gpu_host_id_);
   if (!host) {
     request->event.Signal();
     return;
   }
 
   gfx::GLSurfaceHandle surface =
       GpuSurfaceTracker::Get()->GetSurfaceHandle(surface_id);
 
   host->CreateViewCommandBuffer(
       surface,
       gpu_client_id_,
       init_params,
       request->route_id,
       base::Bind(&BrowserGpuChannelHostFactory::CommandBufferCreatedOnIO,
                  request));
 }
 
 // static
 void BrowserGpuChannelHostFactory::CommandBufferCreatedOnIO(
     CreateRequest* request, CreateCommandBufferResult result) {
   request->result = result;
   request->event.Signal();
 }
 
 CreateCommandBufferResult BrowserGpuChannelHostFactory::CreateViewCommandBuffer(
     int32_t surface_id,
-    const GPUCreateCommandBufferConfig& init_params,
+    const GpuCreateCommandBufferConfig& init_params,
     int32_t route_id) {
   CreateRequest request(route_id);
   GetIOThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&BrowserGpuChannelHostFactory::CreateViewCommandBufferOnIO,
                  base::Unretained(this), &request, surface_id, init_params));
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/125248 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "125248 BrowserGpuChannelHostFactory::CreateViewCommandBuffer"));
@@ skipping 62 matching lines @@
   DCHECK(pending_request_.get());
   if (pending_request_->channel_handle().name.empty()) {
     DCHECK(!gpu_channel_.get());
   } else {
     // TODO(robliao): Remove ScopedTracker below once https://crbug.com/466866
     // is fixed.
     tracked_objects::ScopedTracker tracking_profile1(
         FROM_HERE_WITH_EXPLICIT_FUNCTION(
             "466866 BrowserGpuChannelHostFactory::GpuChannelEstablished1"));
     GetContentClient()->SetGpuInfo(pending_request_->gpu_info());
-    gpu_channel_ = GpuChannelHost::Create(
-        this, gpu_client_id_, pending_request_->gpu_info(),
-        pending_request_->channel_handle(), shutdown_event_.get(),
-        gpu_memory_buffer_manager_.get());
+    scoped_ptr<GpuChannelHostIPCTransport> transport(
+        GpuHostIPCTransportFactory::Get()->CreateGpuChannelHostIPCTransport());
+    static_cast<ChromeGpuChannelHostIPCTransport*>(transport.get())
+        ->BindToService(this, gpu_client_id_,
+                        pending_request_->channel_handle(),
+                        shutdown_event_.get());
+    gpu_channel_ = GpuChannelHost::Create(std::move(transport),
+                                          pending_request_->gpu_info(),
+                                          gpu_memory_buffer_manager_.get());
   }
   gpu_host_id_ = pending_request_->gpu_host_id();
   pending_request_ = NULL;
 
   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/466866 is
   // fixed.
   tracked_objects::ScopedTracker tracking_profile2(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "466866 BrowserGpuChannelHostFactory::GpuChannelEstablished2"));
 
@@ skipping 15 matching lines @@
 }
 
 // static
 void BrowserGpuChannelHostFactory::InitializeShaderDiskCacheOnIO(
     int gpu_client_id,
     const base::FilePath& cache_dir) {
   ShaderCacheFactory::GetInstance()->SetCacheInfo(gpu_client_id, cache_dir);
 }
 
 }  // namespace content