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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.cpp: implementation of the system-agnostic parts of SystemInfo.h
#include "gpu_info_util/SystemInfo.h"
#include <cstring>
#include <iostream>
#include <sstream>
#include "anglebase/no_destructor.h"
#include "common/debug.h"
#include "common/string_utils.h"
#include "common/system_utils.h"
namespace angle
{
namespace
{
constexpr char kANGLEPreferredDeviceEnv[] = "ANGLE_PREFERRED_DEVICE";
}
std::string VendorName(VendorID vendor)
{
switch (vendor)
{
case kVendorID_AMD:
return "AMD";
case kVendorID_ARM:
return "ARM";
case kVendorID_Broadcom:
return "Broadcom";
case kVendorID_GOOGLE:
return "Google";
case kVendorID_ImgTec:
return "ImgTec";
case kVendorID_Intel:
return "Intel";
case kVendorID_Kazan:
return "Kazan";
case kVendorID_NVIDIA:
return "NVIDIA";
case kVendorID_Qualcomm:
return "Qualcomm";
case kVendorID_VeriSilicon:
return "VeriSilicon";
case kVendorID_Vivante:
return "Vivante";
case kVendorID_VMWare:
return "VMWare";
case kVendorID_Apple:
return "Apple";
case kVendorID_Microsoft:
return "Microsoft";
default:
return "Unknown (" + std::to_string(vendor) + ")";
}
}
GPUDeviceInfo::GPUDeviceInfo() = default;
GPUDeviceInfo::~GPUDeviceInfo() = default;
GPUDeviceInfo::GPUDeviceInfo(const GPUDeviceInfo &other) = default;
SystemInfo::SystemInfo() = default;
SystemInfo::~SystemInfo() = default;
SystemInfo::SystemInfo(const SystemInfo &other) = default;
bool SystemInfo::hasNVIDIAGPU() const
{
for (const GPUDeviceInfo &gpu : gpus)
{
if (IsNVIDIA(gpu.vendorId))
{
return true;
}
}
return false;
}
bool SystemInfo::hasIntelGPU() const
{
for (const GPUDeviceInfo &gpu : gpus)
{
if (IsIntel(gpu.vendorId))
{
return true;
}
}
return false;
}
bool SystemInfo::hasAMDGPU() const
{
for (const GPUDeviceInfo &gpu : gpus)
{
if (IsAMD(gpu.vendorId))
{
return true;
}
}
return false;
}
std::optional<size_t> SystemInfo::getPreferredGPUIndex() const
{
std::string device = GetPreferredDeviceString();
if (!device.empty())
{
for (size_t i = 0; i < gpus.size(); ++i)
{
std::string vendor = VendorName(gpus[i].vendorId);
ToLower(&vendor);
if (vendor == device)
return i;
}
}
return std::nullopt;
}
bool IsAMD(VendorID vendorId)
{
return vendorId == kVendorID_AMD;
}
bool IsARM(VendorID vendorId)
{
return vendorId == kVendorID_ARM;
}
bool IsBroadcom(VendorID vendorId)
{
return vendorId == kVendorID_Broadcom;
}
bool IsImgTec(VendorID vendorId)
{
return vendorId == kVendorID_ImgTec;
}
bool IsKazan(VendorID vendorId)
{
return vendorId == kVendorID_Kazan;
}
bool IsIntel(VendorID vendorId)
{
return vendorId == kVendorID_Intel;
}
bool IsNVIDIA(VendorID vendorId)
{
return vendorId == kVendorID_NVIDIA;
}
bool IsQualcomm(VendorID vendorId)
{
return vendorId == kVendorID_Qualcomm;
}
bool IsGoogle(VendorID vendorId)
{
return vendorId == kVendorID_GOOGLE;
}
bool IsVeriSilicon(VendorID vendorId)
{
return vendorId == kVendorID_VeriSilicon;
}
bool IsVMWare(VendorID vendorId)
{
return vendorId == kVendorID_VMWare;
}
bool IsVivante(VendorID vendorId)
{
return vendorId == kVendorID_Vivante;
}
bool IsApple(VendorID vendorId)
{
return vendorId == kVendorID_Apple;
}
bool IsMicrosoft(VendorID vendorId)
{
return vendorId == kVendorID_Microsoft;
}
bool ParseAMDBrahmaDriverVersion(const std::string &content, std::string *version)
{
const size_t begin = content.find_first_of("0123456789");
if (begin == std::string::npos)
{
return false;
}
const size_t end = content.find_first_not_of("0123456789.", begin);
if (end == std::string::npos)
{
*version = content.substr(begin);
}
else
{
*version = content.substr(begin, end - begin);
}
return true;
}
bool ParseAMDCatalystDriverVersion(const std::string &content, std::string *version)
{
std::istringstream stream(content);
std::string line;
while (std::getline(stream, line))
{
static const char kReleaseVersion[] = "ReleaseVersion=";
if (line.compare(0, std::strlen(kReleaseVersion), kReleaseVersion) != 0)
{
continue;
}
if (ParseAMDBrahmaDriverVersion(line, version))
{
return true;
}
}
return false;
}
bool ParseMacMachineModel(const std::string &identifier,
std::string *type,
int32_t *major,
int32_t *minor)
{
size_t numberLoc = identifier.find_first_of("0123456789");
if (numberLoc == std::string::npos)
{
return false;
}
size_t commaLoc = identifier.find(',', numberLoc);
if (commaLoc == std::string::npos || commaLoc >= identifier.size())
{
return false;
}
const char *numberPtr = &identifier[numberLoc];
const char *commaPtr = &identifier[commaLoc + 1];
char *endPtr = nullptr;
int32_t majorTmp = static_cast<int32_t>(std::strtol(numberPtr, &endPtr, 10));
if (endPtr == numberPtr)
{
return false;
}
int32_t minorTmp = static_cast<int32_t>(std::strtol(commaPtr, &endPtr, 10));
if (endPtr == commaPtr)
{
return false;
}
*major = majorTmp;
*minor = minorTmp;
*type = identifier.substr(0, numberLoc);
return true;
}
bool CMDeviceIDToDeviceAndVendorID(const std::string &id, uint32_t *vendorId, uint32_t *deviceId)
{
unsigned int vendor = 0;
unsigned int device = 0;
bool success = id.length() >= 21 && HexStringToUInt(id.substr(8, 4), &vendor) &&
HexStringToUInt(id.substr(17, 4), &device);
*vendorId = vendor;
*deviceId = device;
return success;
}
void GetDualGPUInfo(SystemInfo *info)
{
ASSERT(!info->gpus.empty());
// On dual-GPU systems we assume the non-Intel GPU is the graphics one.
// TODO: this is incorrect and problematic. activeGPUIndex must be removed if it cannot be
// determined correctly. A potential solution is to create an OpenGL context and parse
// GL_VENDOR. Currently, our test infrastructure is relying on this information and incorrectly
// applies test expectations on dual-GPU systems when the Intel GPU is active.
int active = 0;
bool hasIntel = false;
for (size_t i = 0; i < info->gpus.size(); ++i)
{
if (IsIntel(info->gpus[i].vendorId))
{
hasIntel = true;
}
if (IsIntel(info->gpus[active].vendorId))
{
active = static_cast<int>(i);
}
}
// Assume that a combination of NVIDIA or AMD with Intel means Optimus or AMD Switchable
info->activeGPUIndex = active;
info->isOptimus = hasIntel && IsNVIDIA(info->gpus[active].vendorId);
info->isAMDSwitchable = hasIntel && IsAMD(info->gpus[active].vendorId);
}
void PrintSystemInfo(const SystemInfo &info)
{
std::cout << info.gpus.size() << " GPUs:\n";
for (size_t i = 0; i < info.gpus.size(); i++)
{
const auto &gpu = info.gpus[i];
std::cout << " " << i << " - " << VendorName(gpu.vendorId) << " device id: 0x" << std::hex
<< std::uppercase << gpu.deviceId << std::dec << ", revision id: 0x" << std::hex
<< std::uppercase << gpu.revisionId << std::dec << ", system device id: 0x"
<< std::hex << std::uppercase << gpu.systemDeviceId << std::dec << "\n";
if (!gpu.driverVendor.empty())
{
std::cout << " Driver Vendor: " << gpu.driverVendor << "\n";
}
if (!gpu.driverVersion.empty())
{
std::cout << " Driver Version: " << gpu.driverVersion << "\n";
}
if (!gpu.driverDate.empty())
{
std::cout << " Driver Date: " << gpu.driverDate << "\n";
}
if (gpu.detailedDriverVersion.major != 0 || gpu.detailedDriverVersion.minor != 0 ||
gpu.detailedDriverVersion.subMinor != 0 || gpu.detailedDriverVersion.patch != 0)
{
std::cout << " Detailed Driver Version:\n"
<< " major: " << gpu.detailedDriverVersion.major
<< " minor: " << gpu.detailedDriverVersion.minor
<< " subMinor: " << gpu.detailedDriverVersion.subMinor
<< " patch: " << gpu.detailedDriverVersion.patch << "\n";
}
}
std::cout << "\n";
std::cout << "Active GPU: " << info.activeGPUIndex << "\n";
std::cout << "\n";
std::cout << "Optimus: " << (info.isOptimus ? "true" : "false") << "\n";
std::cout << "AMD Switchable: " << (info.isAMDSwitchable ? "true" : "false") << "\n";
std::cout << "Mac Switchable: " << (info.isMacSwitchable ? "true" : "false") << "\n";
std::cout << "Needs EAGL on Mac: " << (info.needsEAGLOnMac ? "true" : "false") << "\n";
std::cout << "\n";
if (!info.machineManufacturer.empty())
{
std::cout << "Machine Manufacturer: " << info.machineManufacturer << "\n";
}
if (info.androidSdkLevel != 0)
{
std::cout << "Android SDK Level: " << info.androidSdkLevel << "\n";
}
if (!info.machineModelName.empty())
{
std::cout << "Machine Model: " << info.machineModelName << "\n";
}
if (!info.machineModelVersion.empty())
{
std::cout << "Machine Model Version: " << info.machineModelVersion << "\n";
}
std::cout << std::endl;
}
VersionInfo ParseNvidiaDriverVersion(uint32_t version)
{
return {
version >> 22, // major
version >> 14 & 0xff, // minor
version >> 6 & 0xff, // subMinor
version & 0x3f // patch
};
}
uint64_t GetSystemDeviceIdFromParts(uint32_t highPart, uint32_t lowPart)
{
return (static_cast<uint64_t>(highPart) << 32) | lowPart;
}
uint32_t GetSystemDeviceIdHighPart(uint64_t systemDeviceId)
{
return (systemDeviceId >> 32) & 0xffffffff;
}
uint32_t GetSystemDeviceIdLowPart(uint64_t systemDeviceId)
{
return systemDeviceId & 0xffffffff;
}
std::string GetPreferredDeviceString()
{
std::string device = angle::GetEnvironmentVar(kANGLEPreferredDeviceEnv);
ToLower(&device);
return device;
}
} // namespace angle