Add optimization for CHROMIUM_subscribe_uniform extension.

content/common/gpu/gpu_channel.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_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 19 matching lines @@
 namespace base {
 class MessageLoopProxy;
 class WaitableEvent;
 }
 
 namespace gpu {
 class PreemptionFlag;
 union ValueState;
 class ValueStateMap;
 namespace gles2 {
+class SubscriptionRefSet;
 }
 }
 
 namespace IPC {
 class MessageFilter;
 }
 
 namespace content {
 class DevToolsGpuAgent;
 class GpuChannelManager;
 class GpuChannelMessageFilter;
 class GpuWatchdog;
 
 // Encapsulates an IPC channel between the GPU process and one renderer
 // process. On the renderer side there's a corresponding GpuChannelHost.
 class GpuChannel : public IPC::Listener, public IPC::Sender {
  public:
   // Takes ownership of the renderer process handle.
   GpuChannel(GpuChannelManager* gpu_channel_manager,
              GpuWatchdog* watchdog,
              gfx::GLShareGroup* share_group,
              gpu::gles2::MailboxManager* mailbox_manager,
+             gpu::gles2::SubscriptionRefSet* subscription_ref_set,
              int client_id,
              bool software,
              bool allow_future_sync_points);
   ~GpuChannel() override;
 
   void Init(base::MessageLoopProxy* io_message_loop,
             base::WaitableEvent* shutdown_event);
 
   // Get the GpuChannelManager that owns this channel.
   GpuChannelManager* gpu_channel_manager() const {
@@ skipping 140 matching lines @@
 
   // Used to implement message routing functionality to CommandBuffer objects
   MessageRouter router_;
 
   // The share group that all contexts associated with a particular renderer
   // process use.
   scoped_refptr<gfx::GLShareGroup> share_group_;
 
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
 
+  scoped_refptr<gpu::gles2::SubscriptionRefSet> subscription_ref_set_;
+
   scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state_;
 
   typedef IDMap<GpuCommandBufferStub, IDMapOwnPointer> StubMap;
   StubMap stubs_;
 
   bool log_messages_;  // True if we should log sent and received messages.
   gpu::gles2::DisallowedFeatures disallowed_features_;
   GpuWatchdog* watchdog_;
   bool software_;
   bool handle_messages_scheduled_;
@@ skipping 11 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannel> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_