src/gpu/config/gpu_info_collector_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gpu/config/gpu_info_collector.h"
   6
   7 // This has to be included before windows.h.
   8 #include "third_party/re2/re2/re2.h"
   9
  10 #include <windows.h>
  11 #include <d3d9.h>
  12 #include <d3d11.h>
  13 #include <dxgi.h>
  14 #include <setupapi.h>
  15
  16 #include "base/command_line.h"
  17 #include "base/debug/trace_event.h"
  18 #include "base/files/file_enumerator.h"
  19 #include "base/files/file_path.h"
  20 #include "base/files/file_util.h"
  21 #include "base/logging.h"
  22 #include "base/message_loop/message_loop.h"
  23 #include "base/metrics/field_trial.h"
  24 #include "base/metrics/histogram.h"
  25 #include "base/scoped_native_library.h"
  26 #include "base/strings/string16.h"
  27 #include "base/strings/string_number_conversions.h"
  28 #include "base/strings/string_util.h"
  29 #include "base/strings/stringprintf.h"
  30 #include "base/strings/utf_string_conversions.h"
  31 #include "base/threading/thread.h"
  32 #include "base/threading/worker_pool.h"
  33 #include "base/win/registry.h"
  34 #include "base/win/scoped_com_initializer.h"
  35 #include "base/win/scoped_comptr.h"
  36 #include "base/win/windows_version.h"
  37 #include "third_party/libxml/chromium/libxml_utils.h"
  38 #include "ui/gl/gl_implementation.h"
  39 #include "ui/gl/gl_surface_egl.h"
  40
  41 namespace gpu {
  42
  43 namespace {
  44
  45 // This must be kept in sync with histograms.xml.
  46 enum DisplayLinkInstallationStatus {
  47   DISPLAY_LINK_NOT_INSTALLED,
  48   DISPLAY_LINK_7_1_OR_EARLIER,
  49   DISPLAY_LINK_7_2_OR_LATER,
  50   DISPLAY_LINK_INSTALLATION_STATUS_MAX
  51 };
  52
  53 float ReadXMLFloatValue(XmlReader* reader) {
  54   std::string score_string;
  55   if (!reader->ReadElementContent(&score_string))
  56     return 0.0;
  57
  58   double score;
  59   if (!base::StringToDouble(score_string, &score))
  60     return 0.0;
  61
  62   return static_cast<float>(score);
  63 }
  64
  65 GpuPerformanceStats RetrieveGpuPerformanceStats() {
  66   TRACE_EVENT0("gpu", "RetrieveGpuPerformanceStats");
  67
  68   // If the user re-runs the assessment without restarting, the COM API
  69   // returns WINSAT_ASSESSMENT_STATE_NOT_AVAILABLE. Because of that and
  70   // http://crbug.com/124325, read the assessment result files directly.
  71   GpuPerformanceStats stats;
  72
  73   // Get path to WinSAT results files.
  74   wchar_t winsat_results_path[MAX_PATH];
  75   DWORD size = ExpandEnvironmentStrings(
  76       L"%WinDir%\\Performance\\WinSAT\\DataStore\\",
  77       winsat_results_path, MAX_PATH);
  78   if (size == 0 || size > MAX_PATH) {
  79     LOG(ERROR) << "The path to the WinSAT results is too long: "
  80                << size << " chars.";
  81     return stats;
  82   }
  83
  84   // Find most recent formal assessment results.
  85   base::FileEnumerator file_enumerator(
  86       base::FilePath(winsat_results_path),
  87       false,  // not recursive
  88       base::FileEnumerator::FILES,
  89       FILE_PATH_LITERAL("* * Formal.Assessment (*).WinSAT.xml"));
  90
  91   base::FilePath current_results;
  92   for (base::FilePath results = file_enumerator.Next(); !results.empty();
  93        results = file_enumerator.Next()) {
  94     // The filenames start with the date and time as yyyy-mm-dd hh.mm.ss.xxx,
  95     // so the greatest file lexicographically is also the most recent file.
  96     if (base::FilePath::CompareLessIgnoreCase(current_results.value(),
  97                                               results.value()))
  98       current_results = results;
  99   }
 100
 101   std::string current_results_string = current_results.MaybeAsASCII();
 102   if (current_results_string.empty())
 103     return stats;
 104
 105   // Get relevant scores from results file. XML schema at:
 106   // http://msdn.microsoft.com/en-us/library/windows/desktop/aa969210.aspx
 107   XmlReader reader;
 108   if (!reader.LoadFile(current_results_string)) {
 109     LOG(ERROR) << "Could not open WinSAT results file.";
 110     return stats;
 111   }
 112   // Descend into <WinSAT> root element.
 113   if (!reader.SkipToElement() || !reader.Read()) {
 114     LOG(ERROR) << "Could not read WinSAT results file.";
 115     return stats;
 116   }
 117
 118   // Search for <WinSPR> element containing the results.
 119   do {
 120     if (reader.NodeName() == "WinSPR")
 121       break;
 122   } while (reader.Next());
 123   // Descend into <WinSPR> element.
 124   if (!reader.Read()) {
 125     LOG(ERROR) << "Could not find WinSPR element in results file.";
 126     return stats;
 127   }
 128
 129   // Read scores.
 130   for (int depth = reader.Depth(); reader.Depth() == depth; reader.Next()) {
 131     std::string node_name = reader.NodeName();
 132     if (node_name == "SystemScore")
 133       stats.overall = ReadXMLFloatValue(&reader);
 134     else if (node_name == "GraphicsScore")
 135       stats.graphics = ReadXMLFloatValue(&reader);
 136     else if (node_name == "GamingScore")
 137       stats.gaming = ReadXMLFloatValue(&reader);
 138   }
 139
 140   if (stats.overall == 0.0)
 141     LOG(ERROR) << "Could not read overall score from assessment results.";
 142   if (stats.graphics == 0.0)
 143     LOG(ERROR) << "Could not read graphics score from assessment results.";
 144   if (stats.gaming == 0.0)
 145     LOG(ERROR) << "Could not read gaming score from assessment results.";
 146
 147   return stats;
 148 }
 149
 150 GpuPerformanceStats RetrieveGpuPerformanceStatsWithHistograms() {
 151   base::TimeTicks start_time = base::TimeTicks::Now();
 152
 153   GpuPerformanceStats stats = RetrieveGpuPerformanceStats();
 154
 155   UMA_HISTOGRAM_TIMES("GPU.WinSAT.ReadResultsFileTime",
 156                       base::TimeTicks::Now() - start_time);
 157   UMA_HISTOGRAM_CUSTOM_COUNTS(
 158       "GPU.WinSAT.OverallScore2",
 159       static_cast<base::HistogramBase::Sample>(stats.overall * 10), 10, 200,
 160       50);
 161   UMA_HISTOGRAM_CUSTOM_COUNTS(
 162       "GPU.WinSAT.GraphicsScore2",
 163       static_cast<base::HistogramBase::Sample>(stats.graphics * 10), 10, 200,
 164       50);
 165   UMA_HISTOGRAM_CUSTOM_COUNTS(
 166       "GPU.WinSAT.GamingScore2",
 167       static_cast<base::HistogramBase::Sample>(stats.gaming * 10), 10, 200, 50);
 168   UMA_HISTOGRAM_BOOLEAN(
 169       "GPU.WinSAT.HasResults",
 170       stats.overall != 0.0 && stats.graphics != 0.0 && stats.gaming != 0.0);
 171
 172   return stats;
 173 }
 174
 175 // Returns the display link driver version or an invalid version if it is
 176 // not installed.
 177 Version DisplayLinkVersion() {
 178   base::win::RegKey key;
 179
 180   if (key.Open(HKEY_LOCAL_MACHINE, L"SOFTWARE", KEY_READ | KEY_WOW64_64KEY))
 181     return Version();
 182
 183   if (key.OpenKey(L"DisplayLink", KEY_READ | KEY_WOW64_64KEY))
 184     return Version();
 185
 186   if (key.OpenKey(L"Core", KEY_READ | KEY_WOW64_64KEY))
 187     return Version();
 188
 189   base::string16 version;
 190   if (key.ReadValue(L"Version", &version))
 191     return Version();
 192
 193   return Version(base::UTF16ToASCII(version));
 194 }
 195
 196 // Returns whether Lenovo dCute is installed.
 197 bool IsLenovoDCuteInstalled() {
 198   base::win::RegKey key;
 199
 200   if (key.Open(HKEY_LOCAL_MACHINE, L"SOFTWARE", KEY_READ | KEY_WOW64_64KEY))
 201     return false;
 202
 203   if (key.OpenKey(L"Lenovo", KEY_READ | KEY_WOW64_64KEY))
 204     return false;
 205
 206   if (key.OpenKey(L"Lenovo dCute", KEY_READ | KEY_WOW64_64KEY))
 207     return false;
 208
 209   return true;
 210 }
 211
 212 // Determines whether D3D11 won't work, either because it is not supported on
 213 // the machine or because it is known it is likely to crash.
 214 bool D3D11ShouldWork(const GPUInfo& gpu_info) {
 215   // TODO(apatrick): This is a temporary change to see what impact disabling
 216   // D3D11 stats collection has on Canary.
 217 #if 1
 218   return false;
 219 #else
 220   // Windows XP never supports D3D11. It seems to be less stable that D3D9 on
 221   // Vista.
 222   if (base::win::GetVersion() <= base::win::VERSION_VISTA)
 223     return false;
 224
 225   // http://crbug.com/175525.
 226   if (gpu_info.display_link_version.IsValid())
 227     return false;
 228
 229   return true;
 230 #endif
 231 }
 232
 233 // Collects information about the level of D3D11 support and records it in
 234 // the UMA stats. Records no stats when D3D11 in not supported at all.
 235 void CollectD3D11SupportOnWorkerThread() {
 236   TRACE_EVENT0("gpu", "CollectD3D11Support");
 237
 238   typedef HRESULT (WINAPI *D3D11CreateDeviceFunc)(
 239       IDXGIAdapter* adapter,
 240       D3D_DRIVER_TYPE driver_type,
 241       HMODULE software,
 242       UINT flags,
 243       const D3D_FEATURE_LEVEL* feature_levels,
 244       UINT num_feature_levels,
 245       UINT sdk_version,
 246       ID3D11Device** device,
 247       D3D_FEATURE_LEVEL* feature_level,
 248       ID3D11DeviceContext** immediate_context);
 249
 250   // This enumeration must be kept in sync with histograms.xml. Do not reorder
 251   // the members; always add to the end.
 252   enum FeatureLevel {
 253     FEATURE_LEVEL_UNKNOWN,
 254     FEATURE_LEVEL_NO_D3D11_DLL,
 255     FEATURE_LEVEL_NO_CREATE_DEVICE_ENTRY_POINT,
 256     FEATURE_LEVEL_DEVICE_CREATION_FAILED,
 257     FEATURE_LEVEL_9_1,
 258     FEATURE_LEVEL_9_2,
 259     FEATURE_LEVEL_9_3,
 260     FEATURE_LEVEL_10_0,
 261     FEATURE_LEVEL_10_1,
 262     FEATURE_LEVEL_11_0,
 263     NUM_FEATURE_LEVELS
 264   };
 265
 266   FeatureLevel feature_level = FEATURE_LEVEL_UNKNOWN;
 267   UINT bgra_support = 0;
 268
 269   // This module is leaked in case it is hooked by third party software.
 270   base::NativeLibrary d3d11_module = base::LoadNativeLibrary(
 271       base::FilePath(L"d3d11.dll"),
 272       NULL);
 273
 274   if (!d3d11_module) {
 275     feature_level = FEATURE_LEVEL_NO_D3D11_DLL;
 276   } else {
 277     D3D11CreateDeviceFunc create_func =
 278         reinterpret_cast<D3D11CreateDeviceFunc>(
 279             base::GetFunctionPointerFromNativeLibrary(d3d11_module,
 280                                                       "D3D11CreateDevice"));
 281     if (!create_func) {
 282       feature_level = FEATURE_LEVEL_NO_CREATE_DEVICE_ENTRY_POINT;
 283     } else {
 284       static const D3D_FEATURE_LEVEL d3d_feature_levels[] = {
 285         D3D_FEATURE_LEVEL_11_0,
 286         D3D_FEATURE_LEVEL_10_1,
 287         D3D_FEATURE_LEVEL_10_0,
 288         D3D_FEATURE_LEVEL_9_3,
 289         D3D_FEATURE_LEVEL_9_2,
 290         D3D_FEATURE_LEVEL_9_1
 291       };
 292
 293       base::win::ScopedComPtr<ID3D11Device> device;
 294       D3D_FEATURE_LEVEL d3d_feature_level;
 295       base::win::ScopedComPtr<ID3D11DeviceContext> device_context;
 296       HRESULT hr = create_func(NULL,
 297                                D3D_DRIVER_TYPE_HARDWARE,
 298                                NULL,
 299                                0,
 300                                d3d_feature_levels,
 301                                arraysize(d3d_feature_levels),
 302                                D3D11_SDK_VERSION,
 303                                device.Receive(),
 304                                &d3d_feature_level,
 305                                device_context.Receive());
 306       if (FAILED(hr)) {
 307         feature_level = FEATURE_LEVEL_DEVICE_CREATION_FAILED;
 308       } else {
 309         switch (d3d_feature_level) {
 310           case D3D_FEATURE_LEVEL_11_0:
 311             feature_level = FEATURE_LEVEL_11_0;
 312             break;
 313           case D3D_FEATURE_LEVEL_10_1:
 314             feature_level = FEATURE_LEVEL_10_1;
 315             break;
 316           case D3D_FEATURE_LEVEL_10_0:
 317             feature_level = FEATURE_LEVEL_10_0;
 318             break;
 319           case D3D_FEATURE_LEVEL_9_3:
 320             feature_level = FEATURE_LEVEL_9_3;
 321             break;
 322           case D3D_FEATURE_LEVEL_9_2:
 323             feature_level = FEATURE_LEVEL_9_2;
 324             break;
 325           case D3D_FEATURE_LEVEL_9_1:
 326             feature_level = FEATURE_LEVEL_9_1;
 327             break;
 328           default:
 329             NOTREACHED();
 330             break;
 331         }
 332
 333         hr = device->CheckFormatSupport(DXGI_FORMAT_B8G8R8A8_UNORM,
 334                                         &bgra_support);
 335         DCHECK(SUCCEEDED(hr));
 336       }
 337     }
 338   }
 339
 340   UMA_HISTOGRAM_ENUMERATION("GPU.D3D11_FeatureLevel",
 341                             feature_level,
 342                             NUM_FEATURE_LEVELS);
 343
 344   // ANGLE requires at least feature level 10.0. Do not record any further
 345   // stats if ANGLE would not work anyway.
 346   if (feature_level < FEATURE_LEVEL_10_0)
 347     return;
 348
 349   UMA_HISTOGRAM_BOOLEAN(
 350       "GPU.D3D11_B8G8R8A8_Texture2DSupport",
 351       (bgra_support & D3D11_FORMAT_SUPPORT_TEXTURE2D) != 0);
 352   UMA_HISTOGRAM_BOOLEAN(
 353       "GPU.D3D11_B8G8R8A8_RenderTargetSupport",
 354       (bgra_support & D3D11_FORMAT_SUPPORT_RENDER_TARGET) != 0);
 355 }
 356
 357 // Collects information about the level of D3D11 support and records it in
 358 // the UMA stats. Records no stats when D3D11 in not supported at all.
 359 void CollectD3D11Support() {
 360   // D3D11 takes about 50ms to initialize so do this on a worker thread.
 361   base::WorkerPool::PostTask(
 362       FROM_HERE,
 363       base::Bind(CollectD3D11SupportOnWorkerThread),
 364       false);
 365 }
 366 }  // namespace anonymous
 367
 368 #if defined(GOOGLE_CHROME_BUILD) && defined(OFFICIAL_BUILD)
 369 // This function has a real implementation for official builds that can
 370 // be found in src/third_party/amd.
 371 void GetAMDVideocardInfo(GPUInfo* gpu_info);
 372 #else
 373 void GetAMDVideocardInfo(GPUInfo* gpu_info) {
 374   DCHECK(gpu_info);
 375   return;
 376 }
 377 #endif
 378
 379 CollectInfoResult CollectDriverInfoD3D(const std::wstring& device_id,
 380                                        GPUInfo* gpu_info) {
 381   TRACE_EVENT0("gpu", "CollectDriverInfoD3D");
 382
 383   // create device info for the display device
 384   HDEVINFO device_info = SetupDiGetClassDevsW(
 385       NULL, device_id.c_str(), NULL,
 386       DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_ALLCLASSES);
 387   if (device_info == INVALID_HANDLE_VALUE) {
 388     LOG(ERROR) << "Creating device info failed";
 389     return kCollectInfoNonFatalFailure;
 390   }
 391
 392   DWORD index = 0;
 393   bool found = false;
 394   SP_DEVINFO_DATA device_info_data;
 395   device_info_data.cbSize = sizeof(device_info_data);
 396   while (SetupDiEnumDeviceInfo(device_info, index++, &device_info_data)) {
 397     WCHAR value[255];
 398     if (SetupDiGetDeviceRegistryPropertyW(device_info,
 399                                         &device_info_data,
 400                                         SPDRP_DRIVER,
 401                                         NULL,
 402                                         reinterpret_cast<PBYTE>(value),
 403                                         sizeof(value),
 404                                         NULL)) {
 405       HKEY key;
 406       std::wstring driver_key = L"System\\CurrentControlSet\\Control\\Class\\";
 407       driver_key += value;
 408       LONG result = RegOpenKeyExW(
 409           HKEY_LOCAL_MACHINE, driver_key.c_str(), 0, KEY_QUERY_VALUE, &key);
 410       if (result == ERROR_SUCCESS) {
 411         DWORD dwcb_data = sizeof(value);
 412         std::string driver_version;
 413         result = RegQueryValueExW(
 414             key, L"DriverVersion", NULL, NULL,
 415             reinterpret_cast<LPBYTE>(value), &dwcb_data);
 416         if (result == ERROR_SUCCESS)
 417           driver_version = base::UTF16ToASCII(std::wstring(value));
 418
 419         std::string driver_date;
 420         dwcb_data = sizeof(value);
 421         result = RegQueryValueExW(
 422             key, L"DriverDate", NULL, NULL,
 423             reinterpret_cast<LPBYTE>(value), &dwcb_data);
 424         if (result == ERROR_SUCCESS)
 425           driver_date = base::UTF16ToASCII(std::wstring(value));
 426
 427         std::string driver_vendor;
 428         dwcb_data = sizeof(value);
 429         result = RegQueryValueExW(
 430             key, L"ProviderName", NULL, NULL,
 431             reinterpret_cast<LPBYTE>(value), &dwcb_data);
 432         if (result == ERROR_SUCCESS) {
 433           driver_vendor = base::UTF16ToASCII(std::wstring(value));
 434           if (driver_vendor == "Advanced Micro Devices, Inc." ||
 435               driver_vendor == "ATI Technologies Inc.") {
 436             // We are conservative and assume that in the absence of a clear
 437             // signal the videocard is assumed to be switchable. Additionally,
 438             // some switchable systems with Intel GPUs aren't correctly
 439             // detected, so always count them.
 440             GetAMDVideocardInfo(gpu_info);
 441             if (!gpu_info->amd_switchable &&
 442                 gpu_info->gpu.vendor_id == 0x8086) {
 443               gpu_info->amd_switchable = true;
 444               gpu_info->secondary_gpus.push_back(gpu_info->gpu);
 445               gpu_info->gpu.vendor_id = 0x1002;
 446               gpu_info->gpu.device_id = 0;  // Unknown discrete AMD GPU.
 447             }
 448           }
 449         }
 450
 451         gpu_info->driver_vendor = driver_vendor;
 452         gpu_info->driver_version = driver_version;
 453         gpu_info->driver_date = driver_date;
 454         found = true;
 455         RegCloseKey(key);
 456         break;
 457       }
 458     }
 459   }
 460   SetupDiDestroyDeviceInfoList(device_info);
 461   return found ? kCollectInfoSuccess : kCollectInfoNonFatalFailure;
 462 }
 463
 464 CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) {
 465   TRACE_EVENT0("gpu", "CollectGraphicsInfo");
 466
 467   DCHECK(gpu_info);
 468
 469   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL)) {
 470     std::string requested_implementation_name =
 471         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(switches::kUseGL);
 472     if (requested_implementation_name == "swiftshader") {
 473       gpu_info->software_rendering = true;
 474       gpu_info->context_info_state = kCollectInfoNonFatalFailure;
 475       return kCollectInfoNonFatalFailure;
 476     }
 477   }
 478
 479   CollectInfoResult result = CollectGraphicsInfoGL(gpu_info);
 480   if (result != kCollectInfoSuccess) {
 481     gpu_info->context_info_state = result;
 482     return result;
 483   }
 484
 485   // ANGLE's renderer strings are of the form:
 486   // ANGLE (<adapter_identifier> Direct3D<version> vs_x_x ps_x_x)
 487   std::string direct3d_version;
 488   int vertex_shader_major_version = 0;
 489   int vertex_shader_minor_version = 0;
 490   int pixel_shader_major_version = 0;
 491   int pixel_shader_minor_version = 0;
 492   gpu_info->adapter_luid = 0;
 493   if (RE2::FullMatch(gpu_info->gl_renderer,
 494                      "ANGLE \\(.*\\)") &&
 495       RE2::PartialMatch(gpu_info->gl_renderer,
 496                         " Direct3D(\\w+)",
 497                         &direct3d_version) &&
 498       RE2::PartialMatch(gpu_info->gl_renderer,
 499                         " vs_(\\d+)_(\\d+)",
 500                         &vertex_shader_major_version,
 501                         &vertex_shader_minor_version) &&
 502       RE2::PartialMatch(gpu_info->gl_renderer,
 503                         " ps_(\\d+)_(\\d+)",
 504                         &pixel_shader_major_version,
 505                         &pixel_shader_minor_version)) {
 506     gpu_info->can_lose_context = direct3d_version == "9";
 507     gpu_info->vertex_shader_version =
 508         base::StringPrintf("%d.%d",
 509                            vertex_shader_major_version,
 510                            vertex_shader_minor_version);
 511     gpu_info->pixel_shader_version =
 512         base::StringPrintf("%d.%d",
 513                            pixel_shader_major_version,
 514                            pixel_shader_minor_version);
 515
 516     // ANGLE's EGL vendor strings are of the form:
 517     // Google, Inc. (adapter LUID: 0123456789ABCDEF)
 518     // The LUID is optional and identifies the GPU adapter ANGLE is using.
 519     const char* egl_vendor = eglQueryString(
 520         gfx::GLSurfaceEGL::GetHardwareDisplay(),
 521         EGL_VENDOR);
 522     RE2::PartialMatch(egl_vendor,
 523                       " \\(adapter LUID: ([0-9A-Fa-f]{16})\\)",
 524                       RE2::Hex(&gpu_info->adapter_luid));
 525
 526     // DirectX diagnostics are collected asynchronously because it takes a
 527     // couple of seconds.
 528   } else {
 529     gpu_info->dx_diagnostics_info_state = kCollectInfoNonFatalFailure;
 530   }
 531
 532   gpu_info->context_info_state = kCollectInfoSuccess;
 533   return kCollectInfoSuccess;
 534 }
 535
 536 CollectInfoResult CollectGpuID(uint32* vendor_id, uint32* device_id) {
 537   DCHECK(vendor_id && device_id);
 538   *vendor_id = 0;
 539   *device_id = 0;
 540
 541   // Taken from http://developer.nvidia.com/object/device_ids.html
 542   DISPLAY_DEVICE dd;
 543   dd.cb = sizeof(DISPLAY_DEVICE);
 544   std::wstring id;
 545   for (int i = 0; EnumDisplayDevices(NULL, i, &dd, 0); ++i) {
 546     if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) {
 547       id = dd.DeviceID;
 548       break;
 549     }
 550   }
 551
 552   if (id.length() > 20) {
 553     int vendor = 0, device = 0;
 554     std::wstring vendor_string = id.substr(8, 4);
 555     std::wstring device_string = id.substr(17, 4);
 556     base::HexStringToInt(base::UTF16ToASCII(vendor_string), &vendor);
 557     base::HexStringToInt(base::UTF16ToASCII(device_string), &device);
 558     *vendor_id = vendor;
 559     *device_id = device;
 560     if (*vendor_id != 0 && *device_id != 0)
 561       return kCollectInfoSuccess;
 562   }
 563   return kCollectInfoNonFatalFailure;
 564 }
 565
 566 CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
 567   TRACE_EVENT0("gpu", "CollectPreliminaryGraphicsInfo");
 568
 569   DCHECK(gpu_info);
 570
 571   gpu_info->performance_stats = RetrieveGpuPerformanceStatsWithHistograms();
 572
 573   // nvd3d9wrap.dll is loaded into all processes when Optimus is enabled.
 574   HMODULE nvd3d9wrap = GetModuleHandleW(L"nvd3d9wrap.dll");
 575   gpu_info->optimus = nvd3d9wrap != NULL;
 576
 577   gpu_info->lenovo_dcute = IsLenovoDCuteInstalled();
 578
 579   gpu_info->display_link_version = DisplayLinkVersion();
 580
 581   if (!gpu_info->display_link_version .IsValid()) {
 582     UMA_HISTOGRAM_ENUMERATION("GPU.DisplayLinkInstallationStatus",
 583                               DISPLAY_LINK_NOT_INSTALLED,
 584                               DISPLAY_LINK_INSTALLATION_STATUS_MAX);
 585   } else if (gpu_info->display_link_version.IsOlderThan("7.2")) {
 586     UMA_HISTOGRAM_ENUMERATION("GPU.DisplayLinkInstallationStatus",
 587                               DISPLAY_LINK_7_1_OR_EARLIER,
 588                               DISPLAY_LINK_INSTALLATION_STATUS_MAX);
 589   } else {
 590     UMA_HISTOGRAM_ENUMERATION("GPU.DisplayLinkInstallationStatus",
 591                               DISPLAY_LINK_7_2_OR_LATER,
 592                               DISPLAY_LINK_INSTALLATION_STATUS_MAX);
 593   }
 594
 595   // Taken from http://developer.nvidia.com/object/device_ids.html
 596   DISPLAY_DEVICE dd;
 597   dd.cb = sizeof(DISPLAY_DEVICE);
 598   std::wstring id;
 599   for (int i = 0; EnumDisplayDevices(NULL, i, &dd, 0); ++i) {
 600     if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) {
 601       id = dd.DeviceID;
 602       break;
 603     }
 604   }
 605
 606   if (id.length() <= 20) {
 607     gpu_info->basic_info_state = kCollectInfoNonFatalFailure;
 608     return kCollectInfoNonFatalFailure;
 609   }
 610
 611   int vendor_id = 0, device_id = 0;
 612   base::string16 vendor_id_string = id.substr(8, 4);
 613   base::string16 device_id_string = id.substr(17, 4);
 614   base::HexStringToInt(base::UTF16ToASCII(vendor_id_string), &vendor_id);
 615   base::HexStringToInt(base::UTF16ToASCII(device_id_string), &device_id);
 616   gpu_info->gpu.vendor_id = vendor_id;
 617   gpu_info->gpu.device_id = device_id;
 618   // TODO(zmo): we only need to call CollectDriverInfoD3D() if we use ANGLE.
 619   if (!CollectDriverInfoD3D(id, gpu_info)) {
 620     gpu_info->basic_info_state = kCollectInfoNonFatalFailure;
 621     return kCollectInfoNonFatalFailure;
 622   }
 623
 624   // Collect basic information about supported D3D11 features. Delay for 45
 625   // seconds so as not to regress performance tests.
 626   if (D3D11ShouldWork(*gpu_info)) {
 627     // This is on a field trial so we can turn it off easily if it blows up
 628     // again in stable channel.
 629     scoped_refptr<base::FieldTrial> trial(
 630         base::FieldTrialList::FactoryGetFieldTrial(
 631             "D3D11Experiment", 100, "Disabled", 2015, 7, 8,
 632             base::FieldTrial::SESSION_RANDOMIZED, NULL));
 633     const int enabled_group =
 634         trial->AppendGroup("Enabled", 0);
 635
 636     if (trial->group() == enabled_group) {
 637       base::MessageLoop::current()->PostDelayedTask(
 638           FROM_HERE,
 639           base::Bind(&CollectD3D11Support),
 640           base::TimeDelta::FromSeconds(45));
 641     }
 642   }
 643
 644   gpu_info->basic_info_state = kCollectInfoSuccess;
 645   return kCollectInfoSuccess;
 646 }
 647
 648 CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info) {
 649   TRACE_EVENT0("gpu", "CollectDriverInfoGL");
 650
 651   if (!gpu_info->driver_version.empty())
 652     return kCollectInfoSuccess;
 653
 654   bool parsed = RE2::PartialMatch(
 655       gpu_info->gl_version, "([\\d\\.]+)$", &gpu_info->driver_version);
 656   return parsed ? kCollectInfoSuccess : kCollectInfoNonFatalFailure;
 657 }
 658
 659 void MergeGPUInfo(GPUInfo* basic_gpu_info,
 660                   const GPUInfo& context_gpu_info) {
 661   DCHECK(basic_gpu_info);
 662
 663   if (context_gpu_info.software_rendering) {
 664     basic_gpu_info->software_rendering = true;
 665     return;
 666   }
 667
 668   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 669
 670   basic_gpu_info->dx_diagnostics = context_gpu_info.dx_diagnostics;
 671 }
 672
 673 }  // namespace gpu