1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// gpu_test_config_mac.mm:
6//   Helper functions for gpu_test_config that have to be compiled in ObjectiveC++
7
8#include "gpu_test_config_mac.h"
9
10#import <Cocoa/Cocoa.h>
11
12namespace base {
13
14void SysInfo::OperatingSystemVersionNumbers(
15    int32 *major_version, int32 *minor_version, int32 *bugfix_version)
16{
17#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8
18  Gestalt(gestaltSystemVersionMajor, reinterpret_cast<SInt32*>(major_version));
19  Gestalt(gestaltSystemVersionMinor, reinterpret_cast<SInt32*>(minor_version));
20  Gestalt(gestaltSystemVersionBugFix, reinterpret_cast<SInt32*>(bugfix_version));
21#else
22  NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
23  *major_version = version.majorVersion;
24  *minor_version = version.minorVersion;
25  *bugfix_version = version.patchVersion;
26#endif
27}
28
29} // namespace base
30
31UInt32 GetEntryProperty(io_registry_entry_t entry, CFStringRef property_name) {
32  CFTypeRef type = IORegistryEntrySearchCFProperty(entry,
33                                                   kIOServicePlane,
34                                                   property_name,
35                                                   kCFAllocatorDefault,
36                                                   kIORegistryIterateRecursively | kIORegistryIterateParents);
37  CFDataRef data = reinterpret_cast<CFDataRef>(type);
38  if (!data) {
39    CFRelease(data);
40    return 0;
41  }
42
43  UInt32 value = 0;
44  const uint32_t* valuePointer = reinterpret_cast<const uint32_t*>(CFDataGetBytePtr(data));
45  if (valuePointer != NULL) {
46    value = *valuePointer;
47  }
48  CFRelease(data);
49  return value;
50}
51
52gpu::GPUInfo::GPUDevice GetActiveGPU() {
53  gpu::GPUInfo::GPUDevice gpu;
54
55  // Ignore the fact that CGDisplayIOServicePort is deprecated as Apple
56  // did not provide a good replacement for it as of 10.10.
57  // TODO(cwallez) revisit with later systems
58  #pragma clang diagnostic push
59  #pragma clang diagnostic ignored "-Wdeprecated-declarations"
60    io_registry_entry_t dsp_port = CGDisplayIOServicePort(kCGDirectMainDisplay);
61  #pragma clang diagnostic pop
62
63  gpu.vendor_id = GetEntryProperty(dsp_port, CFSTR("vendor-id"));
64  gpu.device_id = GetEntryProperty(dsp_port, CFSTR("device-id"));
65  return gpu;
66}
67
68