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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/metrics/gpu_metrics_provider.h"
#include "components/metrics/proto/system_profile.pb.h"
#include "content/public/browser/gpu_data_manager.h"
#include "gpu/config/gpu_info.h"
#include "ui/gfx/screen.h"
#if defined(OS_WIN)
#include <windows.h>
namespace {
struct ScreenDPIInformation {
double max_dpi_x;
double max_dpi_y;
};
// Called once for each connected monitor.
BOOL CALLBACK GetMonitorDPICallback(HMONITOR, HDC hdc, LPRECT, LPARAM dwData) {
const double kMillimetersPerInch = 25.4;
ScreenDPIInformation* screen_info =
reinterpret_cast<ScreenDPIInformation*>(dwData);
// Size of screen, in mm.
DWORD size_x = GetDeviceCaps(hdc, HORZSIZE);
DWORD size_y = GetDeviceCaps(hdc, VERTSIZE);
double dpi_x = (size_x > 0) ?
GetDeviceCaps(hdc, HORZRES) / (size_x / kMillimetersPerInch) : 0;
double dpi_y = (size_y > 0) ?
GetDeviceCaps(hdc, VERTRES) / (size_y / kMillimetersPerInch) : 0;
screen_info->max_dpi_x = std::max(dpi_x, screen_info->max_dpi_x);
screen_info->max_dpi_y = std::max(dpi_y, screen_info->max_dpi_y);
return TRUE;
}
void WriteScreenDPIInformationProto(
metrics::SystemProfileProto::Hardware* hardware) {
HDC desktop_dc = GetDC(NULL);
if (desktop_dc) {
ScreenDPIInformation si = {0, 0};
if (EnumDisplayMonitors(desktop_dc, NULL, GetMonitorDPICallback,
reinterpret_cast<LPARAM>(&si))) {
hardware->set_max_dpi_x(si.max_dpi_x);
hardware->set_max_dpi_y(si.max_dpi_y);
}
ReleaseDC(GetDesktopWindow(), desktop_dc);
}
}
} // namespace
#endif // defined(OS_WIN)
GPUMetricsProvider::GPUMetricsProvider() {
}
GPUMetricsProvider::~GPUMetricsProvider() {
}
void GPUMetricsProvider::ProvideSystemProfileMetrics(
metrics::SystemProfileProto* system_profile_proto) {
metrics::SystemProfileProto::Hardware* hardware =
system_profile_proto->mutable_hardware();
const gpu::GPUInfo& gpu_info =
content::GpuDataManager::GetInstance()->GetGPUInfo();
metrics::SystemProfileProto::Hardware::Graphics* gpu =
hardware->mutable_gpu();
gpu->set_vendor_id(gpu_info.gpu.vendor_id);
gpu->set_device_id(gpu_info.gpu.device_id);
gpu->set_driver_version(gpu_info.driver_version);
gpu->set_driver_date(gpu_info.driver_date);
metrics::SystemProfileProto::Hardware::Graphics::PerformanceStatistics*
gpu_performance = gpu->mutable_performance_statistics();
gpu_performance->set_graphics_score(gpu_info.performance_stats.graphics);
gpu_performance->set_gaming_score(gpu_info.performance_stats.gaming);
gpu_performance->set_overall_score(gpu_info.performance_stats.overall);
gpu->set_gl_vendor(gpu_info.gl_vendor);
gpu->set_gl_renderer(gpu_info.gl_renderer);
const gfx::Size display_size = GetScreenSize();
hardware->set_primary_screen_width(display_size.width());
hardware->set_primary_screen_height(display_size.height());
hardware->set_primary_screen_scale_factor(GetScreenDeviceScaleFactor());
hardware->set_screen_count(GetScreenCount());
#if defined(OS_WIN)
WriteScreenDPIInformationProto(hardware);
#endif
}
gfx::Size GPUMetricsProvider::GetScreenSize() const {
return gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().GetSizeInPixel();
}
float GPUMetricsProvider::GetScreenDeviceScaleFactor() const {
return gfx::Screen::GetNativeScreen()->
GetPrimaryDisplay().device_scale_factor();
}
int GPUMetricsProvider::GetScreenCount() const {
// TODO(scottmg): NativeScreen maybe wrong. http://crbug.com/133312
return gfx::Screen::GetNativeScreen()->GetNumDisplays();
}
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