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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/config/gpu_info_collector.h"
#include <vector>
#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_interface.h"
#import <Cocoa/Cocoa.h>
#import <Foundation/Foundation.h>
#import <IOKit/IOKitLib.h>
namespace gpu {
namespace {
const UInt32 kVendorIDIntel = 0x8086;
const UInt32 kVendorIDNVidia = 0x10de;
const UInt32 kVendorIDAMD = 0x1002;
// Return 0 if we couldn't find the property.
// The property values we use should not be 0, so it's OK to use 0 as failure.
UInt32 GetEntryProperty(io_registry_entry_t entry, CFStringRef property_name) {
base::ScopedCFTypeRef<CFDataRef> data_ref(
static_cast<CFDataRef>(IORegistryEntrySearchCFProperty(
entry,
kIOServicePlane,
property_name,
kCFAllocatorDefault,
kIORegistryIterateRecursively | kIORegistryIterateParents)));
if (!data_ref)
return 0;
UInt32 value = 0;
const UInt32* value_pointer =
reinterpret_cast<const UInt32*>(CFDataGetBytePtr(data_ref));
if (value_pointer != NULL)
value = *value_pointer;
return value;
}
// Find the info of the current GPU.
GPUInfo::GPUDevice GetActiveGPU() {
GPUInfo::GPUDevice gpu;
io_registry_entry_t dsp_port = CGDisplayIOServicePort(kCGDirectMainDisplay);
gpu.vendor_id = GetEntryProperty(dsp_port, CFSTR("vendor-id"));
gpu.device_id = GetEntryProperty(dsp_port, CFSTR("device-id"));
return gpu;
}
// Scan IO registry for PCI video cards.
bool CollectPCIVideoCardInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
// Collect all GPUs' info.
// match_dictionary will be consumed by IOServiceGetMatchingServices, no need
// to release it.
CFMutableDictionaryRef match_dictionary = IOServiceMatching("IOPCIDevice");
io_iterator_t entry_iterator;
std::vector<GPUInfo::GPUDevice> gpu_list;
if (IOServiceGetMatchingServices(kIOMasterPortDefault,
match_dictionary,
&entry_iterator) == kIOReturnSuccess) {
io_registry_entry_t entry;
while ((entry = IOIteratorNext(entry_iterator))) {
GPUInfo::GPUDevice gpu;
if (GetEntryProperty(entry, CFSTR("class-code")) != 0x30000) {
// 0x30000 : DISPLAY_VGA
continue;
}
gpu.vendor_id = GetEntryProperty(entry, CFSTR("vendor-id"));
gpu.device_id = GetEntryProperty(entry, CFSTR("device-id"));
if (gpu.vendor_id && gpu.device_id)
gpu_list.push_back(gpu);
}
IOObjectRelease(entry_iterator);
}
switch (gpu_list.size()) {
case 0:
return false;
case 1:
gpu_info->gpu = gpu_list[0];
break;
case 2:
{
int integrated = -1;
int discrete = -1;
if (gpu_list[0].vendor_id == kVendorIDIntel)
integrated = 0;
else if (gpu_list[1].vendor_id == kVendorIDIntel)
integrated = 1;
if (integrated >= 0) {
switch (gpu_list[1 - integrated].vendor_id) {
case kVendorIDAMD:
gpu_info->amd_switchable = true;
discrete = 1 - integrated;
break;
case kVendorIDNVidia:
gpu_info->optimus = true;
discrete = 1 - integrated;
break;
default:
break;
}
}
if (integrated >= 0 && discrete >= 0) {
// We always put discrete GPU as primary for blacklisting purpose.
gpu_info->gpu = gpu_list[discrete];
gpu_info->secondary_gpus.push_back(gpu_list[integrated]);
break;
}
// If it's not optimus or amd_switchable, we put the current GPU as
// primary. Fall through to default.
}
default:
{
GPUInfo::GPUDevice active_gpu = GetActiveGPU();
size_t current = gpu_list.size();
if (active_gpu.vendor_id && active_gpu.device_id) {
for (size_t i = 0; i < gpu_list.size(); ++i) {
if (gpu_list[i].vendor_id == active_gpu.vendor_id &&
gpu_list[i].device_id == active_gpu.device_id) {
current = i;
break;
}
}
}
if (current == gpu_list.size()) {
// If we fail to identify the current GPU, select any one as primary.
current = 0;
}
for (size_t i = 0; i < gpu_list.size(); ++i) {
if (i == current)
gpu_info->gpu = gpu_list[i];
else
gpu_info->secondary_gpus.push_back(gpu_list[i]);
}
}
break;
}
return (gpu_info->gpu.vendor_id && gpu_info->gpu.device_id);
}
} // namespace anonymous
bool CollectContextGraphicsInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo");
gpu_info->can_lose_context =
(gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2);
gpu_info->finalized = true;
return CollectGraphicsInfoGL(gpu_info);
}
GpuIDResult CollectGpuID(uint32* vendor_id, uint32* device_id) {
DCHECK(vendor_id && device_id);
*vendor_id = 0;
*device_id = 0;
GPUInfo gpu_info;
if (CollectPCIVideoCardInfo(&gpu_info)) {
*vendor_id = gpu_info.gpu.vendor_id;
*device_id = gpu_info.gpu.device_id;
return kGpuIDSuccess;
}
return kGpuIDFailure;
}
bool CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
std::string model_name;
int32 model_major = 0, model_minor = 0;
base::mac::ParseModelIdentifier(base::mac::GetModelIdentifier(),
&model_name, &model_major, &model_minor);
base::ReplaceChars(model_name, " ", "_", &gpu_info->machine_model);
gpu_info->machine_model += " " + base::IntToString(model_major) +
"." + base::IntToString(model_minor);
return CollectPCIVideoCardInfo(gpu_info);
}
bool CollectDriverInfoGL(GPUInfo* gpu_info) {
DCHECK(gpu_info);
// Extract the OpenGL driver version string from the GL_VERSION string.
// Mac OpenGL drivers have the driver version
// at the end of the gl version string preceded by a dash.
// Use some jiggery-pokery to turn that utf8 string into a std::wstring.
std::string gl_version_string = gpu_info->gl_version_string;
size_t pos = gl_version_string.find_last_of('-');
if (pos == std::string::npos)
return false;
gpu_info->driver_version = gl_version_string.substr(pos + 1);
return true;
}
void MergeGPUInfo(GPUInfo* basic_gpu_info,
const GPUInfo& context_gpu_info) {
MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
}
bool DetermineActiveGPU(GPUInfo* gpu_info) {
DCHECK(gpu_info);
// On mac, during info collection, we've already detected the active gpu.
return true;
}
} // namespace gpu
|
