blob: be6deb550fb8d468fda248c895ddda14da4387c8 [file] [log] [blame]
// Copyright (c) 2011 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 "content/gpu/gpu_info_collector.h"
#include <vector>
#include "base/logging.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/scoped_ptr.h"
#include "base/string_piece.h"
#include "base/sys_string_conversions.h"
#include "ui/gfx/gl/gl_bindings.h"
#include "ui/gfx/gl/gl_context.h"
#include "ui/gfx/gl/gl_implementation.h"
#include "ui/gfx/gl/gl_interface.h"
#import <Cocoa/Cocoa.h>
#import <Foundation/Foundation.h>
#import <IOKit/IOKitLib.h>
namespace {
struct VideoCardInfo {
UInt32 vendor_id;
UInt32 device_id;
VideoCardInfo(UInt32 vendor, UInt32 device) {
vendor_id = vendor;
device_id = device;
}
};
CFTypeRef SearchPortForProperty(io_registry_entry_t dspPort,
CFStringRef propertyName) {
return IORegistryEntrySearchCFProperty(dspPort,
kIOServicePlane,
propertyName,
kCFAllocatorDefault,
kIORegistryIterateRecursively |
kIORegistryIterateParents);
}
UInt32 IntValueOfCFData(CFDataRef data_ref) {
DCHECK(data_ref);
UInt32 value = 0;
const UInt32* value_pointer =
reinterpret_cast<const UInt32*>(CFDataGetBytePtr(data_ref));
if (value_pointer != NULL)
value = *value_pointer;
return value;
}
// Scan IO registry for PCI video cards.
// If two cards are located, assume the non-Intel card is the high-end
// one that's going to be used by Chromium GPU process.
// If more than two cards are located, return false. In such rare situation,
// video card information should be collected through identifying the currently
// in-use card as in CollectVideoCardInfo().
bool CollectPCIVideoCardInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
// match_dictionary will be consumed by IOServiceGetMatchingServices, no need
// to release it.
CFMutableDictionaryRef match_dictionary = IOServiceMatching("IOPCIDevice");
io_iterator_t entry_iterator;
if (IOServiceGetMatchingServices(kIOMasterPortDefault,
match_dictionary,
&entry_iterator) != kIOReturnSuccess)
return false;
std::vector<VideoCardInfo> video_card_list;
io_registry_entry_t entry;
while ((entry = IOIteratorNext(entry_iterator))) {
base::mac::ScopedCFTypeRef<CFDataRef> class_code_ref(static_cast<CFDataRef>(
SearchPortForProperty(entry, CFSTR("class-code"))));
if (!class_code_ref)
continue;
UInt32 class_code = IntValueOfCFData(class_code_ref);
if (class_code != 0x30000) // DISPLAY_VGA
continue;
base::mac::ScopedCFTypeRef<CFDataRef> vendor_id_ref(static_cast<CFDataRef>(
SearchPortForProperty(entry, CFSTR("vendor-id"))));
if (!vendor_id_ref)
continue;
UInt32 vendor_id = IntValueOfCFData(vendor_id_ref);
base::mac::ScopedCFTypeRef<CFDataRef> device_id_ref(static_cast<CFDataRef>(
SearchPortForProperty(entry, CFSTR("device-id"))));
if (!device_id_ref)
continue;
UInt32 device_id = IntValueOfCFData(device_id_ref);
video_card_list.push_back(VideoCardInfo(vendor_id, device_id));
}
IOObjectRelease(entry_iterator);
const UInt32 kIntelVendorId = 0x8086;
size_t found = video_card_list.size();
switch (video_card_list.size()) {
case 1:
found = 0;
break;
case 2:
if (video_card_list[0].vendor_id == kIntelVendorId &&
video_card_list[1].vendor_id != kIntelVendorId)
found = 1;
else if (video_card_list[0].vendor_id != kIntelVendorId &&
video_card_list[1].vendor_id == kIntelVendorId)
found = 0;
break;
}
if (found < video_card_list.size()) {
gpu_info->vendor_id = video_card_list[found].vendor_id;
gpu_info->device_id = video_card_list[found].device_id;
return true;
}
return false;
}
} // namespace anonymous
namespace gpu_info_collector {
bool CollectGraphicsInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
gpu_info->can_lose_context =
(gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2);
gpu_info->finalized = true;
return CollectGraphicsInfoGL(gpu_info);
}
bool CollectPreliminaryGraphicsInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
bool rt = true;
if (!CollectPCIVideoCardInfo(gpu_info) && !CollectVideoCardInfo(gpu_info))
rt = false;
return rt;
}
bool CollectVideoCardInfo(GPUInfo* gpu_info) {
DCHECK(gpu_info);
UInt32 vendor_id = 0, device_id = 0;
io_registry_entry_t dsp_port = CGDisplayIOServicePort(kCGDirectMainDisplay);
CFTypeRef vendor_id_ref = SearchPortForProperty(dsp_port, CFSTR("vendor-id"));
if (vendor_id_ref) {
vendor_id = IntValueOfCFData((CFDataRef)vendor_id_ref);
CFRelease(vendor_id_ref);
}
CFTypeRef device_id_ref = SearchPortForProperty(dsp_port, CFSTR("device-id"));
if (device_id_ref) {
device_id = IntValueOfCFData((CFDataRef)device_id_ref);
CFRelease(device_id_ref);
}
gpu_info->vendor_id = vendor_id;
gpu_info->device_id = device_id;
return true;
}
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;
}
} // namespace gpu_info_collector