GPUChannel pools mailbox names.

content/common/gpu/client/gpu_channel_host.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 88 matching lines @@
 
   State state() const { return state_; }
 
   // Change state to kLost.
   void SetStateLost();
 
   // The GPU stats reported by the GPU process.
   void set_gpu_info(const GPUInfo& gpu_info);
   const GPUInfo& gpu_info() const;
 
+  void OnMessageReceived(const IPC::Message& message);
   void OnChannelError();
 
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxyImpl* CreateViewCommandBuffer(
       int32 surface_id,
       CommandBufferProxyImpl* share_group,
       const std::string& allowed_extensions,
@@ skipping 36 matching lines @@
   // Generates n unique mailbox names that can be used with
   // GL_texture_mailbox_CHROMIUM. Unlike genMailboxCHROMIUM, this IPC is
   // handled only on the GPU process' IO thread, and so is not effectively
   // a finish.
   bool GenerateMailboxNames(unsigned num, std::vector<std::string>* names);
 
  private:
   friend class base::RefCountedThreadSafe<GpuChannelHost>;
   virtual ~GpuChannelHost();
 
+  // Message handlers.
+  void OnGenerateMailboxNamesReply(const std::vector<std::string>& names);
+
   // A filter used internally to route incoming messages from the IO thread
   // to the correct message loop.
   class MessageFilter : public IPC::ChannelProxy::MessageFilter {
    public:
     explicit MessageFilter(GpuChannelHost* parent);
 
     void AddRoute(int route_id,
                   base::WeakPtr<IPC::Listener> listener,
                   scoped_refptr<base::MessageLoopProxy> loop);
     void RemoveRoute(int route_id);
@@ skipping 26 matching lines @@
   typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap;
   ProxyMap proxies_;
 
   // A lock to guard against concurrent access to members like the proxies map
   // for calls from contexts that may live on the compositor or main thread.
   mutable base::Lock context_lock_;
 
   // A filter for sending messages from thread other than the main thread.
   scoped_refptr<IPC::SyncMessageFilter> sync_filter_;
 
+  // A pool of valid mailbox names.
+  std::vector<std::string> mailbox_name_pool_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_