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 "components/metrics/gpu/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 namespace metrics {
13
14 #if defined(OS_WIN)
15
16 #include <windows.h>
17
18 namespace {
19
20 struct ScreenDPIInformation {
21 double max_dpi_x;
22 double max_dpi_y;
23 };
24
25 // Called once for each connected monitor.
GetMonitorDPICallback(HMONITOR,HDC hdc,LPRECT,LPARAM dwData)26 BOOL CALLBACK GetMonitorDPICallback(HMONITOR, HDC hdc, LPRECT, LPARAM dwData) {
27 const double kMillimetersPerInch = 25.4;
28 ScreenDPIInformation* screen_info =
29 reinterpret_cast<ScreenDPIInformation*>(dwData);
30 // Size of screen, in mm.
31 DWORD size_x = GetDeviceCaps(hdc, HORZSIZE);
32 DWORD size_y = GetDeviceCaps(hdc, VERTSIZE);
33 double dpi_x = (size_x > 0) ?
34 GetDeviceCaps(hdc, HORZRES) / (size_x / kMillimetersPerInch) : 0;
35 double dpi_y = (size_y > 0) ?
36 GetDeviceCaps(hdc, VERTRES) / (size_y / kMillimetersPerInch) : 0;
37 screen_info->max_dpi_x = std::max(dpi_x, screen_info->max_dpi_x);
38 screen_info->max_dpi_y = std::max(dpi_y, screen_info->max_dpi_y);
39 return TRUE;
40 }
41
WriteScreenDPIInformationProto(SystemProfileProto::Hardware * hardware)42 void WriteScreenDPIInformationProto(SystemProfileProto::Hardware* hardware) {
43 HDC desktop_dc = GetDC(NULL);
44 if (desktop_dc) {
45 ScreenDPIInformation si = {0, 0};
46 if (EnumDisplayMonitors(desktop_dc, NULL, GetMonitorDPICallback,
47 reinterpret_cast<LPARAM>(&si))) {
48 hardware->set_max_dpi_x(si.max_dpi_x);
49 hardware->set_max_dpi_y(si.max_dpi_y);
50 }
51 ReleaseDC(GetDesktopWindow(), desktop_dc);
52 }
53 }
54
55 } // namespace
56
57 #endif // defined(OS_WIN)
58
GPUMetricsProvider()59 GPUMetricsProvider::GPUMetricsProvider() {
60 }
61
~GPUMetricsProvider()62 GPUMetricsProvider::~GPUMetricsProvider() {
63 }
64
ProvideSystemProfileMetrics(SystemProfileProto * system_profile_proto)65 void GPUMetricsProvider::ProvideSystemProfileMetrics(
66 SystemProfileProto* system_profile_proto) {
67 SystemProfileProto::Hardware* hardware =
68 system_profile_proto->mutable_hardware();
69
70 const gpu::GPUInfo& gpu_info =
71 content::GpuDataManager::GetInstance()->GetGPUInfo();
72 SystemProfileProto::Hardware::Graphics* gpu =
73 hardware->mutable_gpu();
74 gpu->set_vendor_id(gpu_info.gpu.vendor_id);
75 gpu->set_device_id(gpu_info.gpu.device_id);
76 gpu->set_driver_version(gpu_info.driver_version);
77 gpu->set_driver_date(gpu_info.driver_date);
78 SystemProfileProto::Hardware::Graphics::PerformanceStatistics*
79 gpu_performance = gpu->mutable_performance_statistics();
80 gpu_performance->set_graphics_score(gpu_info.performance_stats.graphics);
81 gpu_performance->set_gaming_score(gpu_info.performance_stats.gaming);
82 gpu_performance->set_overall_score(gpu_info.performance_stats.overall);
83 gpu->set_gl_vendor(gpu_info.gl_vendor);
84 gpu->set_gl_renderer(gpu_info.gl_renderer);
85
86 const gfx::Size display_size = GetScreenSize();
87 hardware->set_primary_screen_width(display_size.width());
88 hardware->set_primary_screen_height(display_size.height());
89 hardware->set_primary_screen_scale_factor(GetScreenDeviceScaleFactor());
90 hardware->set_screen_count(GetScreenCount());
91
92 #if defined(OS_WIN)
93 WriteScreenDPIInformationProto(hardware);
94 #endif
95 }
96
GetScreenSize() const97 gfx::Size GPUMetricsProvider::GetScreenSize() const {
98 return gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().GetSizeInPixel();
99 }
100
GetScreenDeviceScaleFactor() const101 float GPUMetricsProvider::GetScreenDeviceScaleFactor() const {
102 return gfx::Screen::GetNativeScreen()->
103 GetPrimaryDisplay().device_scale_factor();
104 }
105
GetScreenCount() const106 int GPUMetricsProvider::GetScreenCount() const {
107 // TODO(scottmg): NativeScreen maybe wrong. http://crbug.com/133312
108 return gfx::Screen::GetNativeScreen()->GetNumDisplays();
109 }
110
111 } // namespace metrics
112