Disable texture sharing on AMD switchable via the blacklist.

content/browser/gpu/gpu_data_manager_impl_private.cc

 // Copyright (c) 2013 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_data_manager_impl_private.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 701 matching lines @@
   if ((gpu_info_.display_link_version.IsValid()
       && gpu_info_.display_link_version.IsOlderThan("7.2")) ||
       gpu_info_.lenovo_dcute) {
     reduce_sandbox = true;
   }
 #endif
 
   if (gpu_info_.optimus)
     reduce_sandbox = true;
 
-  if (gpu_info_.amd_switchable) {
-    // The image transport surface currently doesn't work with AMD Dynamic
-    // Switchable graphics.
-    reduce_sandbox = true;
-    command_line->AppendSwitch(switches::kDisableImageTransportSurface);
-  }
-
   if (reduce_sandbox)
     command_line->AppendSwitch(switches::kReduceGpuSandbox);
 
   // Pass GPU and driver information to GPU process. We try to avoid full GPU
   // info collection at GPU process startup, but we need gpu vendor_id,
   // device_id, driver_vendor, driver_version for deciding whether we need to
   // collect full info (on Linux) and for crash reporting purpose.
   command_line->AppendSwitchASCII(switches::kGpuVendorID,
       base::StringPrintf("0x%04x", gpu_info_.gpu.vendor_id));
   command_line->AppendSwitchASCII(switches::kGpuDeviceID,
@@ skipping 144 matching lines @@
 void GpuDataManagerImplPrivate::HandleGpuSwitch() {
   GpuDataManagerImpl::UnlockedSession session(owner_);
   observer_list_->Notify(&GpuDataManagerObserver::OnGpuSwitching);
 }
 
 #if defined(OS_WIN)
 bool GpuDataManagerImplPrivate::IsUsingAcceleratedSurface() const {
   if (base::win::GetVersion() < base::win::VERSION_VISTA)
     return false;
 
-  if (gpu_info_.amd_switchable)
-    return false;
   if (use_swiftshader_)
     return false;
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisableImageTransportSurface))
     return false;
   return !IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_TEXTURE_SHARING);
 }
 #endif
 
 void GpuDataManagerImplPrivate::BlockDomainFrom3DAPIs(
@@ skipping 287 matching lines @@
 void GpuDataManagerImplPrivate::OnGpuProcessInitFailure() {
   gpu_process_accessible_ = false;
   gpu_info_.finalized = true;
   complete_gpu_info_already_requested_ = true;
   // Some observers might be waiting.
   NotifyGpuInfoUpdate();
 }
 
 }  // namespace content