Add optimization for CHROMIUM_subscribe_uniform extension.

content/common/gpu/gpu_channel.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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 11 matching lines @@
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_memory_buffer_factory.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/value_state.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "gpu/command_buffer/service/image_factory.h"
 #include "gpu/command_buffer/service/mailbox_manager_impl.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
+#include "gpu/command_buffer/service/valuebuffer_manager.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/message_filter.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_image_shared_memory.h"
 #include "ui/gl/gl_surface.h"
 
 #if defined(OS_POSIX)
 #include "ipc/ipc_channel_posix.h"
 #endif
 
@@ skipping 354 matching lines @@
   bool a_stub_is_descheduled_;
 
   // True if this channel can create future sync points.
   bool future_sync_points_;
 };
 
 GpuChannel::GpuChannel(GpuChannelManager* gpu_channel_manager,
                        GpuWatchdog* watchdog,
                        gfx::GLShareGroup* share_group,
                        gpu::gles2::MailboxManager* mailbox,
+                       gpu::gles2::SubscriptionRefSet* subscription_ref_set,
                        int client_id,
                        bool software,
                        bool allow_future_sync_points)
     : gpu_channel_manager_(gpu_channel_manager),
       messages_processed_(0),
       client_id_(client_id),
       share_group_(share_group ? share_group : new gfx::GLShareGroup),
       mailbox_manager_(mailbox ? mailbox : new gpu::gles2::MailboxManagerImpl),
+      subscription_ref_set_(subscription_ref_set),
       watchdog_(watchdog),
       software_(software),
       handle_messages_scheduled_(false),
       currently_processing_message_(NULL),
       num_stubs_descheduled_(0),
       allow_future_sync_points_(allow_future_sync_points),
       weak_factory_(this) {
   DCHECK(gpu_channel_manager);
   DCHECK(client_id);
 
@@ skipping 150 matching lines @@
   bool use_virtualized_gl_context = false;
 #if defined(OS_MACOSX)
   use_virtualized_gl_context = true;
 #endif
 
   scoped_ptr<GpuCommandBufferStub> stub(
       new GpuCommandBufferStub(this,
                                share_group,
                                window,
                                mailbox_manager_.get(),
+                               subscription_ref_set_.get(),
                                pending_valuebuffer_state_.get(),
                                gfx::Size(),
                                disallowed_features_,
                                init_params.attribs,
                                init_params.gpu_preference,
                                use_virtualized_gl_context,
                                route_id,
                                surface_id,
                                watchdog_,
                                software_,
@@ skipping 139 matching lines @@
     int32 route_id,
     bool* succeeded) {
   TRACE_EVENT0("gpu", "GpuChannel::OnCreateOffscreenCommandBuffer");
   GpuCommandBufferStub* share_group = stubs_.Lookup(init_params.share_group_id);
 
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
       this,
       share_group,
       gfx::GLSurfaceHandle(),
       mailbox_manager_.get(),
+      subscription_ref_set_.get(),
       pending_valuebuffer_state_.get(),
       size,
       disallowed_features_,
       init_params.attribs,
       init_params.gpu_preference,
       false,
       route_id,
       0,
       watchdog_,
       software_,
@@ skipping 102 matching lines @@
     }
   }
 }
 
 void GpuChannel::HandleUpdateValueState(
     unsigned int target, const gpu::ValueState& state) {
   pending_valuebuffer_state_->UpdateState(target, state);
 }
 
 }  // namespace content