1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
//
// 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 IsIntel(VendorID vendorId)
{
return vendorId == kVendorID_Intel;
}
bool IsNvidia(VendorID vendorId)
{
return vendorId == kVendorID_Nvidia;
}
bool IsQualcomm(VendorID vendorId)
{
return vendorId == kVendorID_Qualcomm;
}
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
|
