adds WARP support to Chromium, for Metro mode only, on Windows 8

content/browser/gpu/gpu_internals_ui.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_internals_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 109 matching lines @@
   }
   if (gpu_info.display_link_version.IsValid()) {
     basic_info->Append(NewDescriptionValuePair(
         "DisplayLink Version", gpu_info.display_link_version.GetString()));
   }
 #if defined(OS_WIN)
   std::string compositor =
       ui::win::IsAeroGlassEnabled() ? "Aero Glass" : "none";
   basic_info->Append(
       NewDescriptionValuePair("Desktop compositing", compositor));
+  if (GpuDataManagerImpl::GetInstance()->ShouldUseWarp()) {
+    basic_info->Append(NewDescriptionValuePair("Using WARP",
+        new base::FundamentalValue(true)));
+  }
 #endif
 
   basic_info->Append(
       NewDescriptionValuePair("Driver vendor", gpu_info.driver_vendor));
   basic_info->Append(NewDescriptionValuePair("Driver version",
                                              gpu_info.driver_version));
   basic_info->Append(NewDescriptionValuePair("Driver date",
                                              gpu_info.driver_date));
   basic_info->Append(NewDescriptionValuePair("Pixel shader version",
                                              gpu_info.pixel_shader_version));
@@ skipping 242 matching lines @@
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new GpuMessageHandler());
 
   // Set up the chrome://gpu/ source.
   BrowserContext* browser_context =
       web_ui->GetWebContents()->GetBrowserContext();
   WebUIDataSource::Add(browser_context, CreateGpuHTMLSource());
 }
 
 }  // namespace content