blob: dc6fc0a471d70b0eeada07dfccca226f1c1f34eb [file] [log] [blame]
//
// 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.cpp: implementation of the system-agnostic parts of SystemInfo.h
#include "gpu_info_util/SystemInfo.h"
#include <cstring>
#include <sstream>
#include "common/debug.h"
#include "common/string_utils.h"
namespace angle
{
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 IsAMD(VendorID vendorId)
{
return vendorId == kVendorID_AMD;
}
bool IsARM(VendorID vendorId)
{
return vendorId == kVendorID_ARM;
}
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 IsVeriSilicon(VendorID vendorId)
{
return vendorId == kVendorID_VeriSilicon;
}
bool IsVivante(VendorID vendorId)
{
return vendorId == kVendorID_Vivante;
}
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 = std::strtol(numberPtr, &endPtr, 10);
if (endPtr == numberPtr)
{
return false;
}
int32_t minorTmp = 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 FindPrimaryGPU(SystemInfo *info)
{
ASSERT(!info->gpus.empty());
// On dual-GPU systems we assume the non-Intel GPU is the primary one.
int primary = 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[primary].vendorId))
{
primary = static_cast<int>(i);
}
}
// Assume that a combination of AMD or Nvidia with Intel means Optimus or AMD Switchable
info->primaryGPUIndex = primary;
info->isOptimus = hasIntel && IsNvidia(info->gpus[primary].vendorId);
info->isAMDSwitchable = hasIntel && IsAMD(info->gpus[primary].vendorId);
}
} // namespace angle