SystemInfo.h

Branch :

Show log
Commit
Author : Corentin Wallez
Date : 2018-05-01 13:17:17
Hash : d8ffd756
Message : SystemInfo.h: add some documentation BUG=angleproject:1874 Change-Id: I8898c1a467c1fec25963f45a31376a6b02e1b6c4 Reviewed-on: https://chromium-review.googlesource.com/1037584 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>

src/gpu_info_util/SystemInfo.h

//
// Copyright (c) 2013-2017 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// SystemInfo.h: gathers information available without starting a GPU driver.

#ifndef GPU_INFO_UTIL_SYSTEM_INFO_H_
#define GPU_INFO_UTIL_SYSTEM_INFO_H_

#include <cstdint>
#include <string>
#include <vector>

namespace angle
{

using VendorID = uint32_t;
using DeviceID = uint32_t;

struct GPUDeviceInfo
{
    GPUDeviceInfo();
    ~GPUDeviceInfo();

    GPUDeviceInfo(const GPUDeviceInfo &other);

    VendorID vendorId = 0;
    DeviceID deviceId = 0;

    std::string driverVendor;
    std::string driverVersion;
    std::string driverDate;
};

struct SystemInfo
{
    SystemInfo();
    ~SystemInfo();

    SystemInfo(const SystemInfo &other);

    std::vector<GPUDeviceInfo> gpus;

    // Index of the primary GPU (the discrete one on dual GPU systems) in `gpus`.
    // Will never be -1 after a successful GetSystemInfo.
    int primaryGPUIndex = -1;
    // Index of the currently active GPU in `gpus`, can be -1 if the active GPU could not be
    // detected.
    int activeGPUIndex  = -1;

    bool isOptimus       = false;
    bool isAMDSwitchable = false;

    // Only available on macOS
    std::string machineModelName;
    std::string machineModelVersion;

    // Only available on Windows, set even on failure.
    std::string primaryDisplayDeviceId;
};

// Gathers information about the system without starting a GPU driver and returns them in `info`.
// Returns true if all info was gathered, false otherwise. Even when false is returned, `info` will
// be filled with partial information.
bool GetSystemInfo(SystemInfo *info);

// Known PCI vendor IDs
constexpr VendorID kVendorID_AMD      = 0x1002;
constexpr VendorID kVendorID_Intel    = 0x8086;
constexpr VendorID kVendorID_Nvidia   = 0x10DE;
constexpr VendorID kVendorID_Qualcomm = 0x5143;

// Predicates on vendor IDs
bool IsAMD(VendorID vendorId);
bool IsIntel(VendorID vendorId);
bool IsNvidia(VendorID vendorId);
bool IsQualcomm(VendorID vendorId);

}  // namespace angle

#endif  // GPU_INFO_UTIL_SYSTEM_INFO_H_

kc3-lang/angle/src/gpu_info_util/SystemInfo.h

Commit

kc3-lang/angle /src/gpu_info_util/SystemInfo.h