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//
// Copyright 2013 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 <optional>
#include <string>
#include <vector>
namespace angle
{
using VendorID = uint32_t;
using DeviceID = uint32_t;
using RevisionID = uint32_t;
using SystemDeviceID = uint64_t;
using DriverID = uint32_t;
struct VersionInfo
{
uint32_t major = 0;
uint32_t minor = 0;
uint32_t subMinor = 0;
uint32_t patch = 0;
};
struct GPUDeviceInfo
{
GPUDeviceInfo();
~GPUDeviceInfo();
GPUDeviceInfo(const GPUDeviceInfo &other);
VendorID vendorId = 0;
DeviceID deviceId = 0;
RevisionID revisionId = 0;
SystemDeviceID systemDeviceId = 0;
std::string driverVendor;
std::string driverVersion;
std::string driverDate;
// Fields only available via GetSystemInfoVulkan:
VersionInfo detailedDriverVersion;
DriverID driverId = 0;
uint32_t driverApiVersion = 0;
};
struct SystemInfo
{
SystemInfo();
~SystemInfo();
SystemInfo(const SystemInfo &other);
bool hasNVIDIAGPU() const;
bool hasIntelGPU() const;
bool hasAMDGPU() const;
// Returns the index to `gpus` if the entry matches the preferred device string.
std::optional<size_t> getPreferredGPUIndex() const;
std::vector<GPUDeviceInfo> gpus;
// Index of the GPU expected to be used for 3D graphics. Based on a best-guess heuristic on
// some platforms. On Windows, this is accurate. Note `gpus` must be checked for empty before
// indexing.
int activeGPUIndex = 0;
bool isOptimus = false;
bool isAMDSwitchable = false;
// Only true on dual-GPU Mac laptops.
bool isMacSwitchable = false;
// Only true on Apple Silicon Macs when running in macCatalyst.
bool needsEAGLOnMac = false;
// Only available on Android
std::string machineManufacturer;
int androidSdkLevel = 0;
// Only available on macOS and Android
std::string machineModelName;
// Only available on macOS
std::string machineModelVersion;
};
// 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);
// Vulkan-specific info collection.
bool GetSystemInfoVulkan(SystemInfo *info);
// Known PCI vendor IDs
constexpr VendorID kVendorID_AMD = 0x1002;
constexpr VendorID kVendorID_ARM = 0x13B5;
constexpr VendorID kVendorID_Broadcom = 0x14E4;
constexpr VendorID kVendorID_GOOGLE = 0x1AE0;
constexpr VendorID kVendorID_ImgTec = 0x1010;
constexpr VendorID kVendorID_Intel = 0x8086;
constexpr VendorID kVendorID_NVIDIA = 0x10DE;
constexpr VendorID kVendorID_Qualcomm = 0x5143;
constexpr VendorID kVendorID_VMWare = 0x15ad;
constexpr VendorID kVendorID_Apple = 0x106B;
constexpr VendorID kVendorID_Microsoft = 0x1414;
// Known non-PCI (i.e. Khronos-registered) vendor IDs
constexpr VendorID kVendorID_Vivante = 0x10001;
constexpr VendorID kVendorID_VeriSilicon = 0x10002;
constexpr VendorID kVendorID_Kazan = 0x10003;
constexpr VendorID kVendorID_CodePlay = 0x10004;
constexpr VendorID kVendorID_Mesa = 0x10005;
constexpr VendorID kVendorID_PoCL = 0x10006;
// Known device IDs
constexpr DeviceID kDeviceID_Swiftshader = 0xC0DE;
constexpr DeviceID kDeviceID_Adreno540 = 0x5040001;
constexpr DeviceID kDeviceID_UHD630Mobile = 0x3E9B;
// Predicates on vendor IDs
bool IsAMD(VendorID vendorId);
bool IsARM(VendorID vendorId);
bool IsBroadcom(VendorID vendorId);
bool IsImgTec(VendorID vendorId);
bool IsIntel(VendorID vendorId);
bool IsKazan(VendorID vendorId);
bool IsNVIDIA(VendorID vendorId);
bool IsQualcomm(VendorID vendorId);
bool IsGoogle(VendorID vendorId);
bool IsSwiftshader(VendorID vendorId);
bool IsVeriSilicon(VendorID vendorId);
bool IsVMWare(VendorID vendorId);
bool IsVivante(VendorID vendorId);
bool IsApple(VendorID vendorId);
bool IsMicrosoft(VendorID vendorId);
// Returns a readable vendor name given the VendorID
std::string VendorName(VendorID vendor);
// Use a heuristic to attempt to find the GPU used for 3D graphics. Sets activeGPUIndex,
// isOptimus, and isAMDSwitchable.
// Always assumes the non-Intel GPU is active on dual-GPU machines.
void GetDualGPUInfo(SystemInfo *info);
// Dumps the system info to stdout.
void PrintSystemInfo(const SystemInfo &info);
VersionInfo ParseNvidiaDriverVersion(uint32_t version);
#if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
// Helper to get the active GPU ID from a given Core Graphics display ID.
uint64_t GetGpuIDFromDisplayID(uint32_t displayID);
// Helper to get the active GPU ID from an OpenGL display mask.
uint64_t GetGpuIDFromOpenGLDisplayMask(uint32_t displayMask);
// Get VendorID from metal device's registry ID
VendorID GetVendorIDFromMetalDeviceRegistryID(uint64_t registryID);
#endif
uint64_t GetSystemDeviceIdFromParts(uint32_t highPart, uint32_t lowPart);
uint32_t GetSystemDeviceIdHighPart(uint64_t systemDeviceId);
uint32_t GetSystemDeviceIdLowPart(uint64_t systemDeviceId);
// Returns lower-case of ANGLE_PREFERRED_DEVICE environment variable contents.
std::string GetPreferredDeviceString();
} // namespace angle
#endif // GPU_INFO_UTIL_SYSTEM_INFO_H_
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