Collect as much GPU information as possible without creating a GL/D3D context...

chrome/gpu/gpu_info_collector_win.cc

 // Copyright (c) 2010 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 "chrome/gpu/gpu_info_collector.h"
 
 #include <windows.h>
 #include <d3d9.h>
 
 #include "app/gfx/gl/gl_context_egl.h"
@@ skipping 35 matching lines @@
 
   if (!CollectGraphicsInfoD3D(d3d, gpu_info))
     return false;
 
   // DirectX diagnostics are collected asynchronously because it takes a
   // couple of seconds. Do not mark as complete until that is done.
   gpu_info->SetLevel(GPUInfo::kPartial);
   return true;
 }
 
+bool CollectPreliminaryGraphicsInfo(GPUInfo* gpu_info) {
+  DCHECK(gpu_info);
+
+  gpu_info->SetLevel(GPUInfo::kPartial);
+
+  bool rt = true;
+  if (!CollectVideoCardInfo(gpu_info))
+    rt = false;
+
+  return rt;
+}
+
 bool CollectGraphicsInfoD3D(IDirect3D9* d3d, GPUInfo* gpu_info) {
   DCHECK(d3d);
   DCHECK(gpu_info);
 
   bool succeed = true;
 
   // Get device/driver information
   D3DADAPTER_IDENTIFIER9 identifier;
   if (d3d->GetAdapterIdentifier(D3DADAPTER_DEFAULT, 0, &identifier) == D3D_OK) {
     gpu_info->SetVideoCardInfo(identifier.VendorId, identifier.DeviceId);
@@ skipping 75 matching lines @@
 
   size_t pos = gl_version_string.find_last_not_of("0123456789.");
   if (pos != std::string::npos && pos < gl_version_string.length() - 1) {
     gpu_info->SetDriverInfo("", gl_version_string.substr(pos + 1));
     return true;
   }
   return false;
 }
 
 }  // namespace gpu_info_collector