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