chrome/browser/metrics/gpu_metrics_provider.cc

   1 // Copyright 2014 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 "chrome/browser/metrics/gpu_metrics_provider.h"
   6
   7 #include "components/metrics/proto/system_profile.pb.h"
   8 #include "content/public/browser/gpu_data_manager.h"
   9 #include "gpu/config/gpu_info.h"
  10 #include "ui/gfx/screen.h"
  11
  12 #if defined(OS_WIN)
  13
  14 #include <windows.h>
  15
  16 namespace {
  17
  18 struct ScreenDPIInformation {
  19   double max_dpi_x;
  20   double max_dpi_y;
  21 };
  22
  23 // Called once for each connected monitor.
  24 BOOL CALLBACK GetMonitorDPICallback(HMONITOR, HDC hdc, LPRECT, LPARAM dwData) {
  25   const double kMillimetersPerInch = 25.4;
  26   ScreenDPIInformation* screen_info =
  27       reinterpret_cast<ScreenDPIInformation*>(dwData);
  28   // Size of screen, in mm.
  29   DWORD size_x = GetDeviceCaps(hdc, HORZSIZE);
  30   DWORD size_y = GetDeviceCaps(hdc, VERTSIZE);
  31   double dpi_x = (size_x > 0) ?
  32       GetDeviceCaps(hdc, HORZRES) / (size_x / kMillimetersPerInch) : 0;
  33   double dpi_y = (size_y > 0) ?
  34       GetDeviceCaps(hdc, VERTRES) / (size_y / kMillimetersPerInch) : 0;
  35   screen_info->max_dpi_x = std::max(dpi_x, screen_info->max_dpi_x);
  36   screen_info->max_dpi_y = std::max(dpi_y, screen_info->max_dpi_y);
  37   return TRUE;
  38 }
  39
  40 void WriteScreenDPIInformationProto(
  41     metrics::SystemProfileProto::Hardware* hardware) {
  42   HDC desktop_dc = GetDC(NULL);
  43   if (desktop_dc) {
  44     ScreenDPIInformation si = {0, 0};
  45     if (EnumDisplayMonitors(desktop_dc, NULL, GetMonitorDPICallback,
  46             reinterpret_cast<LPARAM>(&si))) {
  47       hardware->set_max_dpi_x(si.max_dpi_x);
  48       hardware->set_max_dpi_y(si.max_dpi_y);
  49     }
  50     ReleaseDC(GetDesktopWindow(), desktop_dc);
  51   }
  52 }
  53
  54 }  // namespace
  55
  56 #endif  // defined(OS_WIN)
  57
  58 GPUMetricsProvider::GPUMetricsProvider() {
  59 }
  60
  61 GPUMetricsProvider::~GPUMetricsProvider() {
  62 }
  63
  64 void GPUMetricsProvider::ProvideSystemProfileMetrics(
  65     metrics::SystemProfileProto* system_profile_proto) {
  66   metrics::SystemProfileProto::Hardware* hardware =
  67       system_profile_proto->mutable_hardware();
  68
  69   const gpu::GPUInfo& gpu_info =
  70       content::GpuDataManager::GetInstance()->GetGPUInfo();
  71   metrics::SystemProfileProto::Hardware::Graphics* gpu =
  72       hardware->mutable_gpu();
  73   gpu->set_vendor_id(gpu_info.gpu.vendor_id);
  74   gpu->set_device_id(gpu_info.gpu.device_id);
  75   gpu->set_driver_version(gpu_info.driver_version);
  76   gpu->set_driver_date(gpu_info.driver_date);
  77   metrics::SystemProfileProto::Hardware::Graphics::PerformanceStatistics*
  78       gpu_performance = gpu->mutable_performance_statistics();
  79   gpu_performance->set_graphics_score(gpu_info.performance_stats.graphics);
  80   gpu_performance->set_gaming_score(gpu_info.performance_stats.gaming);
  81   gpu_performance->set_overall_score(gpu_info.performance_stats.overall);
  82   gpu->set_gl_vendor(gpu_info.gl_vendor);
  83   gpu->set_gl_renderer(gpu_info.gl_renderer);
  84
  85   const gfx::Size display_size = GetScreenSize();
  86   hardware->set_primary_screen_width(display_size.width());
  87   hardware->set_primary_screen_height(display_size.height());
  88   hardware->set_primary_screen_scale_factor(GetScreenDeviceScaleFactor());
  89   hardware->set_screen_count(GetScreenCount());
  90
  91 #if defined(OS_WIN)
  92   WriteScreenDPIInformationProto(hardware);
  93 #endif
  94 }
  95
  96 gfx::Size GPUMetricsProvider::GetScreenSize() const {
  97   return gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().GetSizeInPixel();
  98 }
  99
 100 float GPUMetricsProvider::GetScreenDeviceScaleFactor() const {
 101   return gfx::Screen::GetNativeScreen()->
 102       GetPrimaryDisplay().device_scale_factor();
 103 }
 104
 105 int GPUMetricsProvider::GetScreenCount() const {
 106   // TODO(scottmg): NativeScreen maybe wrong. http://crbug.com/133312
 107   return gfx::Screen::GetNativeScreen()->GetNumDisplays();
 108 }