Implemented support for GL constext share groups in the renderer process.

content/common/gpu/gpu_channel.cc

 // Copyright (c) 2011 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 171 matching lines @@
 
 void GpuChannel::CreateViewCommandBuffer(
     gfx::PluginWindowHandle window,
     int32 render_view_id,
     const GPUCreateCommandBufferConfig& init_params,
     int32* route_id) {
   *route_id = MSG_ROUTING_NONE;
   content::GetContentClient()->SetActiveURL(init_params.active_url);
 
 #if defined(ENABLE_GPU)
+  GpuCommandBufferStub* share_group = stubs_.Lookup(init_params.share_group_id);
+
   *route_id = GenerateRouteID();
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
-      this, window, gfx::Size(), disallowed_extensions_,
+      this,
+      share_group,
+      window,
+      gfx::Size(),
+      disallowed_extensions_,
       init_params.allowed_extensions,
-      init_params.attribs, *route_id, renderer_id_, render_view_id,
-      watchdog_, software_));
+      init_params.attribs,
+      *route_id,
+      renderer_id_,
+      render_view_id,
+      watchdog_,
+      software_));
   router_.AddRoute(*route_id, stub.get());
   stubs_.AddWithID(stub.release(), *route_id);
 #endif  // ENABLE_GPU
 }
 
 void GpuChannel::ViewResized(int32 command_buffer_route_id) {
   GpuCommandBufferStub* stub = stubs_.Lookup(command_buffer_route_id);
   if (stub == NULL)
     return;
 
@@ skipping 78 matching lines @@
 }
 
 void GpuChannel::OnCreateOffscreenCommandBuffer(
     const gfx::Size& size,
     const GPUCreateCommandBufferConfig& init_params,
     IPC::Message* reply_message) {
   int32 route_id = MSG_ROUTING_NONE;
 
   content::GetContentClient()->SetActiveURL(init_params.active_url);
 #if defined(ENABLE_GPU)
+  GpuCommandBufferStub* share_group = stubs_.Lookup(init_params.share_group_id);
+
   route_id = GenerateRouteID();
 
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
       this,
+      share_group,
       gfx::kNullPluginWindow,
       size,
       disallowed_extensions_,
       init_params.allowed_extensions,
       init_params.attribs,
       route_id,
       0, 0, watchdog_,
       software_));
   router_.AddRoute(route_id, stub.get());
   stubs_.AddWithID(stub.release(), route_id);
@@ skipping 105 matching lines @@
 
 #if defined(OS_POSIX)
 int GpuChannel::GetRendererFileDescriptor() {
   int fd = -1;
   if (channel_.get()) {
     fd = channel_->GetClientFileDescriptor();
   }
   return fd;
 }
 #endif  // defined(OS_POSIX)