Force the current card to be blacklisted if all of its features are disabled.

content/browser/gpu/gpu_process_host.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/gpu_process_host.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 238 matching lines @@
   return false;
 }
 
 // static
 GpuProcessHost* GpuProcessHost::Get(GpuProcessKind kind,
                                     content::CauseForGpuLaunch cause) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   // Don't grant further access to GPU if it is not allowed.
   GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
-  if (gpu_data_manager != NULL && !gpu_data_manager->GpuAccessAllowed())
+  if (gpu_data_manager != NULL &&
+      gpu_data_manager->GetGpuFeatureType() == content::GPU_FEATURE_TYPE_ALL)

[Zhenyao Mo, 2012/07/30 17:03:19]

I think you should also keep the original !GpuAccessAllowed() condition.

[Alexander Potapenko, 2012/07/31 09:17:55]

Done.

     return NULL;
 
   if (g_gpu_process_hosts[kind] && HostIsValid(g_gpu_process_hosts[kind]))
     return g_gpu_process_hosts[kind];
 
   if (cause == content::CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH)
     return NULL;
 
   int host_id;
   host_id = ++g_last_host_id;
@@ skipping 590 matching lines @@
     const IPC::ChannelHandle& channel_handle,
     base::ProcessHandle renderer_process_for_gpu,
     const content::GPUInfo& gpu_info) {
   callback.Run(channel_handle, gpu_info);
 }
 
 void GpuProcessHost::CreateCommandBufferError(
     const CreateCommandBufferCallback& callback, int32 route_id) {
   callback.Run(route_id);
 }