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// 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.
#include <cstdint>
#include <string>
#include <vector>
namespace angle
using VendorID = uint32_t;
using DeviceID = uint32_t;
struct VersionInfo
uint32_t major = 0;
uint32_t minor = 0;
uint32_t subMinor = 0;
uint32_t patch = 0;
struct GPUDeviceInfo
GPUDeviceInfo(const GPUDeviceInfo &other);
VendorID vendorId = 0;
DeviceID deviceId = 0;
std::string driverVendor;
std::string driverVersion;
std::string driverDate;
// Only available on Android
VersionInfo detailedDriverVersion;
struct SystemInfo
SystemInfo(const SystemInfo &other);
bool hasNVIDIAGPU() const;
bool hasIntelGPU() const;
bool hasAMDGPU() const;
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 Android
std::string machineManufacturer;
// Only available on macOS and Android
std::string machineModelName;
// Only available on macOS
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_ARM = 0x13B5;
constexpr VendorID kVendorID_ImgTec = 0x1010;
constexpr VendorID kVendorID_Intel = 0x8086;
constexpr VendorID kVendorID_NVIDIA = 0x10DE;
constexpr VendorID kVendorID_Qualcomm = 0x5143;
// Known non-PCI (i.e. Khronos-registered) vendor IDs
constexpr VendorID kVendorID_Vivante = 0x10001;
constexpr VendorID kVendorID_VeriSilicon = 0x10002;
constexpr VendorID kVendorID_Kazan = 0x10003;
// Predicates on vendor IDs
bool IsAMD(VendorID vendorId);
bool IsARM(VendorID vendorId);
bool IsImgTec(VendorID vendorId);
bool IsIntel(VendorID vendorId);
bool IsKazan(VendorID vendorId);
bool IsNVIDIA(VendorID vendorId);
bool IsQualcomm(VendorID vendorId);
bool IsVeriSilicon(VendorID vendorId);
bool IsVivante(VendorID vendorId);
} // namespace angle