Home | History | Annotate | Download | only in metrics
      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 }
    109