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|
// 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 "content/browser/gpu/gpu_data_manager_impl.h"
#if defined(OS_MACOSX)
#include <ApplicationServices/ApplicationServices.h>
#endif // OS_MACOSX
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram.h"
#include "base/stringprintf.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/sys_info.h"
#include "base/values.h"
#include "base/version.h"
#include "content/browser/gpu/gpu_process_host.h"
#include "content/browser/gpu/gpu_util.h"
#include "content/common/gpu/gpu_messages.h"
#include "content/gpu/gpu_info_collector.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/gpu_data_manager_observer.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/gpu_feature_type.h"
#include "gpu/command_buffer/service/gpu_switches.h"
#include "grit/content_resources.h"
#include "ui/base/ui_base_switches.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_switches.h"
#include "ui/gl/gpu_switching_manager.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/plugins/plugin_switches.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
namespace content {
namespace {
// Strip out the non-digital info; if after that, we get an empty string,
// return "0".
std::string ProcessVersionString(const std::string& raw_string) {
const std::string valid_set = "0123456789.";
size_t start_pos = raw_string.find_first_of(valid_set);
if (start_pos == std::string::npos)
return "0";
size_t end_pos = raw_string.find_first_not_of(raw_string, start_pos);
std::string version_string = raw_string.substr(
start_pos, end_pos - start_pos);
if (version_string.empty())
return "0";
return version_string;
}
// Combine the integers into a string, seperated by ','.
std::string IntSetToString(const std::set<int>& list) {
std::string rt;
for (std::set<int>::const_iterator it = list.begin();
it != list.end(); ++it) {
if (!rt.empty())
rt += ",";
rt += base::IntToString(*it);
}
return rt;
}
#if defined(OS_MACOSX)
void DisplayReconfigCallback(CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void* gpu_data_manager) {
if (flags & kCGDisplayAddFlag) {
GpuDataManagerImpl* manager =
reinterpret_cast<GpuDataManagerImpl*>(gpu_data_manager);
DCHECK(manager);
manager->HandleGpuSwitch();
}
}
#endif // OS_MACOSX
// Block all domains' use of 3D APIs for this many milliseconds if
// approaching a threshold where system stability might be compromised.
const int64 kBlockAllDomainsMs = 10000;
const int kNumResetsWithinDuration = 1;
// Enums for UMA histograms.
enum BlockStatusHistogram {
BLOCK_STATUS_NOT_BLOCKED,
BLOCK_STATUS_SPECIFIC_DOMAIN_BLOCKED,
BLOCK_STATUS_ALL_DOMAINS_BLOCKED,
BLOCK_STATUS_MAX
};
} // namespace anonymous
// static
GpuDataManager* GpuDataManager::GetInstance() {
return GpuDataManagerImpl::GetInstance();
}
// static
GpuDataManagerImpl* GpuDataManagerImpl::GetInstance() {
return Singleton<GpuDataManagerImpl>::get();
}
void GpuDataManagerImpl::InitializeForTesting(
const std::string& gpu_blacklist_json,
const GPUInfo& gpu_info) {
// This function is for testing only, so disable histograms.
update_histograms_ = false;
InitializeImpl(gpu_blacklist_json, "", "", gpu_info);
}
bool GpuDataManagerImpl::IsFeatureBlacklisted(int feature) const {
if (software_rendering_) {
// Skia's software rendering is probably more efficient than going through
// software emulation of the GPU, so use that.
if (feature == GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS)
return true;
return false;
}
return (blacklisted_features_.count(feature) == 1);
}
size_t GpuDataManagerImpl::GetBlacklistedFeatureCount() const {
if (software_rendering_)
return 1;
return blacklisted_features_.size();
}
GPUInfo GpuDataManagerImpl::GetGPUInfo() const {
GPUInfo gpu_info;
{
base::AutoLock auto_lock(gpu_info_lock_);
gpu_info = gpu_info_;
}
return gpu_info;
}
void GpuDataManagerImpl::GetGpuProcessHandles(
const GetGpuProcessHandlesCallback& callback) const {
GpuProcessHost::GetProcessHandles(callback);
}
bool GpuDataManagerImpl::GpuAccessAllowed() const {
if (software_rendering_)
return true;
if (!gpu_info_.gpu_accessible)
return false;
if (card_blacklisted_)
return false;
// We only need to block GPU process if more features are disallowed other
// than those in the preliminary gpu feature flags because the latter work
// through renderer commandline switches.
std::set<int> features = preliminary_blacklisted_features_;
MergeFeatureSets(&features, blacklisted_features_);
if (features.size() > preliminary_blacklisted_features_.size())
return false;
if (blacklisted_features_.size() == NUMBER_OF_GPU_FEATURE_TYPES) {
// On Linux, we use cached GL strings to make blacklist decsions at browser
// startup time. We need to launch the GPU process to validate these
// strings even if all features are blacklisted. If all GPU features are
// disabled, the GPU process will only initialize GL bindings, create a GL
// context, and collect full GPU info.
#if !defined(OS_LINUX)
return false;
#endif
}
return true;
}
void GpuDataManagerImpl::RequestCompleteGpuInfoIfNeeded() {
if (complete_gpu_info_already_requested_ || gpu_info_.finalized)
return;
complete_gpu_info_already_requested_ = true;
GpuProcessHost::SendOnIO(
#if defined(OS_WIN)
GpuProcessHost::GPU_PROCESS_KIND_UNSANDBOXED,
#else
GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
#endif
CAUSE_FOR_GPU_LAUNCH_GPUDATAMANAGER_REQUESTCOMPLETEGPUINFOIFNEEDED,
new GpuMsg_CollectGraphicsInfo());
}
bool GpuDataManagerImpl::IsCompleteGpuInfoAvailable() const {
return gpu_info_.finalized;
}
void GpuDataManagerImpl::RequestVideoMemoryUsageStatsUpdate() const {
GpuProcessHost::SendOnIO(
GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
new GpuMsg_GetVideoMemoryUsageStats());
}
bool GpuDataManagerImpl::ShouldUseSoftwareRendering() const {
return software_rendering_;
}
void GpuDataManagerImpl::RegisterSwiftShaderPath(const base::FilePath& path) {
swiftshader_path_ = path;
EnableSoftwareRenderingIfNecessary();
}
void GpuDataManagerImpl::AddObserver(GpuDataManagerObserver* observer) {
observer_list_->AddObserver(observer);
}
void GpuDataManagerImpl::RemoveObserver(GpuDataManagerObserver* observer) {
observer_list_->RemoveObserver(observer);
}
void GpuDataManagerImpl::UnblockDomainFrom3DAPIs(const GURL& url) {
// This method must do two things:
//
// 1. If the specific domain is blocked, then unblock it.
//
// 2. Reset our notion of how many GPU resets have occurred recently.
// This is necessary even if the specific domain was blocked.
// Otherwise, if we call Are3DAPIsBlocked with the same domain right
// after unblocking it, it will probably still be blocked because of
// the recent GPU reset caused by that domain.
//
// These policies could be refined, but at a certain point the behavior
// will become difficult to explain.
std::string domain = GetDomainFromURL(url);
base::AutoLock auto_lock(gpu_info_lock_);
blocked_domains_.erase(domain);
timestamps_of_gpu_resets_.clear();
}
void GpuDataManagerImpl::DisableGpuWatchdog() {
GpuProcessHost::SendOnIO(
GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
new GpuMsg_DisableWatchdog);
}
void GpuDataManagerImpl::SetGLStrings(const std::string& gl_vendor,
const std::string& gl_renderer,
const std::string& gl_version) {
if (gl_vendor.empty() && gl_renderer.empty() && gl_version.empty())
return;
GPUInfo gpu_info;
{
base::AutoLock auto_lock(gpu_info_lock_);
// If GPUInfo already got GL strings, do nothing. This is for the rare
// situation where GPU process collected GL strings before this call.
if (!gpu_info_.gl_vendor.empty() ||
!gpu_info_.gl_renderer.empty() ||
!gpu_info_.gl_version_string.empty())
return;
gpu_info = gpu_info_;
}
gpu_info.gl_vendor = gl_vendor;
gpu_info.gl_renderer = gl_renderer;
gpu_info.gl_version_string = gl_version;
gpu_info_collector::CollectDriverInfoGL(&gpu_info);
UpdateGpuInfo(gpu_info);
UpdateGpuSwitchingManager(gpu_info);
UpdatePreliminaryBlacklistedFeatures();
}
void GpuDataManagerImpl::GetGLStrings(std::string* gl_vendor,
std::string* gl_renderer,
std::string* gl_version) {
DCHECK(gl_vendor && gl_renderer && gl_version);
base::AutoLock auto_lock(gpu_info_lock_);
*gl_vendor = gpu_info_.gl_vendor;
*gl_renderer = gpu_info_.gl_renderer;
*gl_version = gpu_info_.gl_version_string;
}
void GpuDataManagerImpl::Initialize() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kSkipGpuDataLoading))
return;
GPUInfo gpu_info;
gpu_info_collector::CollectBasicGraphicsInfo(&gpu_info);
#if defined(ARCH_CPU_X86_FAMILY)
if (!gpu_info.gpu.vendor_id || !gpu_info.gpu.device_id)
gpu_info.finalized = true;
#endif
std::string gpu_blacklist_string;
std::string gpu_switching_list_string;
std::string gpu_driver_bug_list_string;
if (!command_line->HasSwitch(switches::kIgnoreGpuBlacklist)) {
const base::StringPiece gpu_blacklist_json =
GetContentClient()->GetDataResource(
IDR_GPU_BLACKLIST, ui::SCALE_FACTOR_NONE);
gpu_blacklist_string = gpu_blacklist_json.as_string();
const base::StringPiece gpu_switching_list_json =
GetContentClient()->GetDataResource(
IDR_GPU_SWITCHING_LIST, ui::SCALE_FACTOR_NONE);
gpu_switching_list_string = gpu_switching_list_json.as_string();
}
if (!command_line->HasSwitch(switches::kDisableGpuDriverBugWorkarounds)) {
const base::StringPiece gpu_driver_bug_list_json =
GetContentClient()->GetDataResource(
IDR_GPU_DRIVER_BUG_LIST, ui::SCALE_FACTOR_NONE);
gpu_driver_bug_list_string = gpu_driver_bug_list_json.as_string();
}
InitializeImpl(gpu_blacklist_string,
gpu_switching_list_string,
gpu_driver_bug_list_string,
gpu_info);
}
void GpuDataManagerImpl::UpdateGpuInfo(const GPUInfo& gpu_info) {
// No further update of gpu_info if falling back to software renderer.
if (software_rendering_)
return;
GPUInfo my_gpu_info;
{
base::AutoLock auto_lock(gpu_info_lock_);
gpu_info_collector::MergeGPUInfo(&gpu_info_, gpu_info);
complete_gpu_info_already_requested_ =
complete_gpu_info_already_requested_ || gpu_info_.finalized;
my_gpu_info = gpu_info_;
}
GetContentClient()->SetGpuInfo(my_gpu_info);
if (gpu_blacklist_.get()) {
std::set<int> features = gpu_blacklist_->MakeDecision(
GpuControlList::kOsAny, "", my_gpu_info);
if (update_histograms_)
UpdateStats(gpu_blacklist_.get(), features);
UpdateBlacklistedFeatures(features);
}
if (gpu_switching_list_.get()) {
std::set<int> option = gpu_switching_list_->MakeDecision(
GpuControlList::kOsAny, "", my_gpu_info);
if (option.size() == 1) {
// Blacklist decision should not overwrite commandline switch from users.
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kGpuSwitching))
gpu_switching_ = static_cast<GpuSwitchingOption>(*(option.begin()));
}
}
if (gpu_driver_bug_list_.get())
gpu_driver_bugs_ = gpu_driver_bug_list_->MakeDecision(
GpuControlList::kOsAny, "", my_gpu_info);
// We have to update GpuFeatureType before notify all the observers.
NotifyGpuInfoUpdate();
}
void GpuDataManagerImpl::UpdateVideoMemoryUsageStats(
const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
observer_list_->Notify(&GpuDataManagerObserver::OnVideoMemoryUsageStatsUpdate,
video_memory_usage_stats);
}
void GpuDataManagerImpl::AppendRendererCommandLine(
CommandLine* command_line) const {
DCHECK(command_line);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_WEBGL)) {
#if !defined(OS_ANDROID)
if (!command_line->HasSwitch(switches::kDisableExperimentalWebGL))
command_line->AppendSwitch(switches::kDisableExperimentalWebGL);
#endif
if (!command_line->HasSwitch(switches::kDisablePepper3d))
command_line->AppendSwitch(switches::kDisablePepper3d);
}
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_MULTISAMPLING) &&
!command_line->HasSwitch(switches::kDisableGLMultisampling))
command_line->AppendSwitch(switches::kDisableGLMultisampling);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING) &&
!command_line->HasSwitch(switches::kDisableAcceleratedCompositing))
command_line->AppendSwitch(switches::kDisableAcceleratedCompositing);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS) &&
!command_line->HasSwitch(switches::kDisableAccelerated2dCanvas))
command_line->AppendSwitch(switches::kDisableAccelerated2dCanvas);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE) &&
!command_line->HasSwitch(switches::kDisableAcceleratedVideoDecode))
command_line->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
if (ShouldUseSoftwareRendering())
command_line->AppendSwitch(switches::kDisableFlashFullscreen3d);
}
void GpuDataManagerImpl::AppendGpuCommandLine(
CommandLine* command_line) const {
DCHECK(command_line);
std::string use_gl =
CommandLine::ForCurrentProcess()->GetSwitchValueASCII(switches::kUseGL);
base::FilePath swiftshader_path =
CommandLine::ForCurrentProcess()->GetSwitchValuePath(
switches::kSwiftShaderPath);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_MULTISAMPLING) &&
!command_line->HasSwitch(switches::kDisableGLMultisampling))
command_line->AppendSwitch(switches::kDisableGLMultisampling);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_TEXTURE_SHARING))
command_line->AppendSwitch(switches::kDisableImageTransportSurface);
if (software_rendering_) {
command_line->AppendSwitchASCII(switches::kUseGL, "swiftshader");
if (swiftshader_path.empty())
swiftshader_path = swiftshader_path_;
} else if ((IsFeatureBlacklisted(GPU_FEATURE_TYPE_WEBGL) ||
IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING) ||
IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS)) &&
(use_gl == "any")) {
command_line->AppendSwitchASCII(
switches::kUseGL, gfx::kGLImplementationOSMesaName);
} else if (!use_gl.empty()) {
command_line->AppendSwitchASCII(switches::kUseGL, use_gl);
}
if (ui::GpuSwitchingManager::GetInstance()->SupportsDualGpus()) {
command_line->AppendSwitchASCII(switches::kSupportsDualGpus, "true");
switch (gpu_switching_) {
case GPU_SWITCHING_OPTION_FORCE_DISCRETE:
command_line->AppendSwitchASCII(switches::kGpuSwitching,
switches::kGpuSwitchingOptionNameForceDiscrete);
break;
case GPU_SWITCHING_OPTION_FORCE_INTEGRATED:
command_line->AppendSwitchASCII(switches::kGpuSwitching,
switches::kGpuSwitchingOptionNameForceIntegrated);
break;
case GPU_SWITCHING_OPTION_AUTOMATIC:
case GPU_SWITCHING_OPTION_UNKNOWN:
break;
}
} else {
command_line->AppendSwitchASCII(switches::kSupportsDualGpus, "false");
}
if (!swiftshader_path.empty())
command_line->AppendSwitchPath(switches::kSwiftShaderPath,
swiftshader_path);
if (!gpu_driver_bugs_.empty()) {
command_line->AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
IntSetToString(gpu_driver_bugs_));
}
#if defined(OS_WIN)
// DisplayLink 7.1 and earlier can cause the GPU process to crash on startup.
// http://crbug.com/177611
// Thinkpad USB Port Replicator driver causes GPU process to crash when the
// sandbox is enabled. http://crbug.com/181665.
if ((gpu_info_.display_link_version.IsValid()
&& gpu_info_.display_link_version.IsOlderThan("7.2")) ||
gpu_info_.lenovo_dcute) {
command_line->AppendSwitch(switches::kReduceGpuSandbox);
}
#endif
{
base::AutoLock auto_lock(gpu_info_lock_);
if (gpu_info_.optimus)
command_line->AppendSwitch(switches::kReduceGpuSandbox);
if (gpu_info_.amd_switchable) {
// The image transport surface currently doesn't work with AMD Dynamic
// Switchable graphics.
command_line->AppendSwitch(switches::kReduceGpuSandbox);
command_line->AppendSwitch(switches::kDisableImageTransportSurface);
}
// Pass GPU and driver information to GPU process. We try to avoid full GPU
// info collection at GPU process startup, but we need gpu vendor_id,
// device_id, driver_vendor, driver_version for deciding whether we need to
// collect full info (on Linux) and for crash reporting purpose.
command_line->AppendSwitchASCII(switches::kGpuVendorID,
base::StringPrintf("0x%04x", gpu_info_.gpu.vendor_id));
command_line->AppendSwitchASCII(switches::kGpuDeviceID,
base::StringPrintf("0x%04x", gpu_info_.gpu.device_id));
command_line->AppendSwitchASCII(switches::kGpuDriverVendor,
gpu_info_.driver_vendor);
command_line->AppendSwitchASCII(switches::kGpuDriverVersion,
gpu_info_.driver_version);
}
}
void GpuDataManagerImpl::AppendPluginCommandLine(
CommandLine* command_line) const {
DCHECK(command_line);
#if defined(OS_MACOSX)
// TODO(jbauman): Add proper blacklist support for core animation plugins so
// special-casing this video card won't be necessary. See
// http://crbug.com/134015
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING) ||
CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableAcceleratedCompositing)) {
if (!command_line->HasSwitch(
switches::kDisableCoreAnimationPlugins))
command_line->AppendSwitch(
switches::kDisableCoreAnimationPlugins);
}
#endif
}
void GpuDataManagerImpl::UpdateRendererWebPrefs(
webkit_glue::WebPreferences* prefs) const {
DCHECK(prefs);
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING))
prefs->accelerated_compositing_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_WEBGL))
prefs->experimental_webgl_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_FLASH3D))
prefs->flash_3d_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_FLASH_STAGE3D)) {
prefs->flash_stage3d_enabled = false;
prefs->flash_stage3d_baseline_enabled = false;
}
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_FLASH_STAGE3D_BASELINE))
prefs->flash_stage3d_baseline_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS))
prefs->accelerated_2d_canvas_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_MULTISAMPLING))
prefs->gl_multisampling_enabled = false;
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_3D_CSS)) {
prefs->accelerated_compositing_for_3d_transforms_enabled = false;
prefs->accelerated_compositing_for_animation_enabled = false;
}
if (IsFeatureBlacklisted(GPU_FEATURE_TYPE_ACCELERATED_VIDEO))
prefs->accelerated_compositing_for_video_enabled = false;
// Accelerated video and animation are slower than regular when using a
// software 3d rasterizer. 3D CSS may also be too slow to be worthwhile.
if (ShouldUseSoftwareRendering()) {
prefs->accelerated_compositing_for_video_enabled = false;
prefs->accelerated_compositing_for_animation_enabled = false;
prefs->accelerated_compositing_for_3d_transforms_enabled = false;
prefs->accelerated_compositing_for_plugins_enabled = false;
}
}
GpuSwitchingOption GpuDataManagerImpl::GetGpuSwitchingOption() const {
if (!ui::GpuSwitchingManager::GetInstance()->SupportsDualGpus())
return GPU_SWITCHING_OPTION_UNKNOWN;
return gpu_switching_;
}
void GpuDataManagerImpl::DisableHardwareAcceleration() {
card_blacklisted_ = true;
for (int i = 0; i < NUMBER_OF_GPU_FEATURE_TYPES; ++i)
blacklisted_features_.insert(i);
EnableSoftwareRenderingIfNecessary();
NotifyGpuInfoUpdate();
}
std::string GpuDataManagerImpl::GetBlacklistVersion() const {
if (gpu_blacklist_.get())
return gpu_blacklist_->version();
return "0";
}
base::ListValue* GpuDataManagerImpl::GetBlacklistReasons() const {
ListValue* reasons = new ListValue();
if (gpu_blacklist_.get())
gpu_blacklist_->GetReasons(reasons);
return reasons;
}
void GpuDataManagerImpl::AddLogMessage(
int level, const std::string& header, const std::string& message) {
base::AutoLock auto_lock(log_messages_lock_);
DictionaryValue* dict = new DictionaryValue();
dict->SetInteger("level", level);
dict->SetString("header", header);
dict->SetString("message", message);
log_messages_.Append(dict);
}
void GpuDataManagerImpl::ProcessCrashed(base::TerminationStatus exit_code) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&GpuDataManagerImpl::ProcessCrashed,
base::Unretained(this),
exit_code));
return;
}
observer_list_->Notify(&GpuDataManagerObserver::OnGpuProcessCrashed,
exit_code);
}
base::ListValue* GpuDataManagerImpl::GetLogMessages() const {
base::ListValue* value;
{
base::AutoLock auto_lock(log_messages_lock_);
value = log_messages_.DeepCopy();
}
return value;
}
void GpuDataManagerImpl::HandleGpuSwitch() {
if (complete_gpu_info_already_requested_) {
complete_gpu_info_already_requested_ = false;
gpu_info_.finalized = false;
RequestCompleteGpuInfoIfNeeded();
}
}
#if defined(OS_WIN)
bool GpuDataManagerImpl::IsUsingAcceleratedSurface() const {
if (base::win::GetVersion() < base::win::VERSION_VISTA)
return false;
if (gpu_info_.amd_switchable)
return false;
if (software_rendering_)
return false;
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kDisableImageTransportSurface))
return false;
return !IsFeatureBlacklisted(GPU_FEATURE_TYPE_TEXTURE_SHARING);
}
#endif
void GpuDataManagerImpl::BlockDomainFrom3DAPIs(
const GURL& url, DomainGuilt guilt) {
BlockDomainFrom3DAPIsAtTime(url, guilt, base::Time::Now());
}
bool GpuDataManagerImpl::Are3DAPIsBlocked(const GURL& url,
int render_process_id,
int render_view_id,
ThreeDAPIType requester) {
bool blocked = Are3DAPIsBlockedAtTime(url, base::Time::Now()) !=
GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
if (blocked) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&GpuDataManagerImpl::Notify3DAPIBlocked,
base::Unretained(this), url, render_process_id,
render_view_id, requester));
}
return blocked;
}
void GpuDataManagerImpl::DisableDomainBlockingFor3DAPIsForTesting() {
domain_blocking_enabled_ = false;
}
GpuDataManagerImpl::GpuDataManagerImpl()
: complete_gpu_info_already_requested_(false),
gpu_switching_(GPU_SWITCHING_OPTION_AUTOMATIC),
observer_list_(new GpuDataManagerObserverList),
software_rendering_(false),
card_blacklisted_(false),
update_histograms_(true),
window_count_(0),
domain_blocking_enabled_(true) {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kDisableAcceleratedCompositing)) {
command_line->AppendSwitch(switches::kDisableAccelerated2dCanvas);
command_line->AppendSwitch(switches::kDisableAcceleratedLayers);
}
if (command_line->HasSwitch(switches::kDisableGpu))
DisableHardwareAcceleration();
if (command_line->HasSwitch(switches::kGpuSwitching)) {
std::string option_string = command_line->GetSwitchValueASCII(
switches::kGpuSwitching);
GpuSwitchingOption option = StringToGpuSwitchingOption(option_string);
if (option != GPU_SWITCHING_OPTION_UNKNOWN)
gpu_switching_ = option;
}
#if defined(OS_MACOSX)
CGDisplayRegisterReconfigurationCallback(DisplayReconfigCallback, this);
#endif // OS_MACOSX
}
GpuDataManagerImpl::~GpuDataManagerImpl() {
#if defined(OS_MACOSX)
CGDisplayRemoveReconfigurationCallback(DisplayReconfigCallback, this);
#endif
}
void GpuDataManagerImpl::InitializeImpl(
const std::string& gpu_blacklist_json,
const std::string& gpu_switching_list_json,
const std::string& gpu_driver_bug_list_json,
const GPUInfo& gpu_info) {
std::string browser_version_string = ProcessVersionString(
GetContentClient()->GetProduct());
CHECK(!browser_version_string.empty());
if (!gpu_blacklist_json.empty()) {
gpu_blacklist_.reset(GpuBlacklist::Create());
gpu_blacklist_->LoadList(
browser_version_string, gpu_blacklist_json,
GpuControlList::kCurrentOsOnly);
}
if (!gpu_switching_list_json.empty()) {
gpu_switching_list_.reset(GpuSwitchingList::Create());
gpu_switching_list_->LoadList(
browser_version_string, gpu_switching_list_json,
GpuControlList::kCurrentOsOnly);
}
if (!gpu_driver_bug_list_json.empty()) {
gpu_driver_bug_list_.reset(GpuDriverBugList::Create());
gpu_driver_bug_list_->LoadList(
browser_version_string, gpu_driver_bug_list_json,
GpuControlList::kCurrentOsOnly);
}
{
base::AutoLock auto_lock(gpu_info_lock_);
gpu_info_ = gpu_info;
}
UpdateGpuInfo(gpu_info);
UpdateGpuSwitchingManager(gpu_info);
UpdatePreliminaryBlacklistedFeatures();
}
void GpuDataManagerImpl::UpdateBlacklistedFeatures(
const std::set<int>& features) {
CommandLine* command_line = CommandLine::ForCurrentProcess();
blacklisted_features_ = features;
// Force disable using the GPU for these features, even if they would
// otherwise be allowed.
if (card_blacklisted_ ||
command_line->HasSwitch(switches::kBlacklistAcceleratedCompositing)) {
blacklisted_features_.insert(GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING);
}
if (card_blacklisted_ ||
command_line->HasSwitch(switches::kBlacklistWebGL)) {
blacklisted_features_.insert(GPU_FEATURE_TYPE_WEBGL);
}
EnableSoftwareRenderingIfNecessary();
}
void GpuDataManagerImpl::UpdatePreliminaryBlacklistedFeatures() {
preliminary_blacklisted_features_ = blacklisted_features_;
}
void GpuDataManagerImpl::UpdateGpuSwitchingManager(const GPUInfo& gpu_info) {
ui::GpuSwitchingManager::GetInstance()->SetGpuCount(
gpu_info.secondary_gpus.size() + 1);
if (ui::GpuSwitchingManager::GetInstance()->SupportsDualGpus()) {
switch (gpu_switching_) {
case GPU_SWITCHING_OPTION_FORCE_DISCRETE:
ui::GpuSwitchingManager::GetInstance()->ForceUseOfDiscreteGpu();
break;
case GPU_SWITCHING_OPTION_FORCE_INTEGRATED:
ui::GpuSwitchingManager::GetInstance()->ForceUseOfIntegratedGpu();
break;
case GPU_SWITCHING_OPTION_AUTOMATIC:
case GPU_SWITCHING_OPTION_UNKNOWN:
break;
}
}
}
void GpuDataManagerImpl::NotifyGpuInfoUpdate() {
observer_list_->Notify(&GpuDataManagerObserver::OnGpuInfoUpdate);
}
void GpuDataManagerImpl::EnableSoftwareRenderingIfNecessary() {
if (!GpuAccessAllowed() ||
blacklisted_features_.count(GPU_FEATURE_TYPE_WEBGL)) {
if (!swiftshader_path_.empty() &&
!CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableSoftwareRasterizer))
software_rendering_ = true;
}
}
std::string GpuDataManagerImpl::GetDomainFromURL(const GURL& url) const {
// For the moment, we just use the host, or its IP address, as the
// entry in the set, rather than trying to figure out the top-level
// domain. This does mean that a.foo.com and b.foo.com will be
// treated independently in the blocking of a given domain, but it
// would require a third-party library to reliably figure out the
// top-level domain from a URL.
if (!url.has_host()) {
return std::string();
}
return url.host();
}
void GpuDataManagerImpl::BlockDomainFrom3DAPIsAtTime(
const GURL& url, DomainGuilt guilt, base::Time at_time) {
if (!domain_blocking_enabled_)
return;
std::string domain = GetDomainFromURL(url);
base::AutoLock auto_lock(gpu_info_lock_);
DomainBlockEntry& entry = blocked_domains_[domain];
entry.last_guilt = guilt;
timestamps_of_gpu_resets_.push_back(at_time);
}
GpuDataManagerImpl::DomainBlockStatus
GpuDataManagerImpl::Are3DAPIsBlockedAtTime(
const GURL& url, base::Time at_time) const {
if (!domain_blocking_enabled_)
return DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
// Note: adjusting the policies in this code will almost certainly
// require adjusting the associated unit tests.
std::string domain = GetDomainFromURL(url);
base::AutoLock auto_lock(gpu_info_lock_);
{
DomainBlockMap::const_iterator iter = blocked_domains_.find(domain);
if (iter != blocked_domains_.end()) {
// Err on the side of caution, and assume that if a particular
// domain shows up in the block map, it's there for a good
// reason and don't let its presence there automatically expire.
UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
BLOCK_STATUS_SPECIFIC_DOMAIN_BLOCKED,
BLOCK_STATUS_MAX);
return DOMAIN_BLOCK_STATUS_BLOCKED;
}
}
// Look at the timestamps of the recent GPU resets to see if there are
// enough within the threshold which would cause us to blacklist all
// domains. This doesn't need to be overly precise -- if time goes
// backward due to a system clock adjustment, that's fine.
//
// TODO(kbr): make this pay attention to the TDR thresholds in the
// Windows registry, but make sure it continues to be testable.
std::list<base::Time>::iterator iter = timestamps_of_gpu_resets_.begin();
int num_resets_within_timeframe = 0;
while (iter != timestamps_of_gpu_resets_.end()) {
base::Time time = *iter;
base::TimeDelta delta_t = at_time - time;
// If this entry has "expired", just remove it.
if (delta_t.InMilliseconds() > kBlockAllDomainsMs) {
iter = timestamps_of_gpu_resets_.erase(iter);
continue;
}
++num_resets_within_timeframe;
++iter;
}
if (num_resets_within_timeframe >= kNumResetsWithinDuration) {
UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
BLOCK_STATUS_ALL_DOMAINS_BLOCKED,
BLOCK_STATUS_MAX);
return DOMAIN_BLOCK_STATUS_ALL_DOMAINS_BLOCKED;
}
UMA_HISTOGRAM_ENUMERATION("GPU.BlockStatusForClient3DAPIs",
BLOCK_STATUS_NOT_BLOCKED,
BLOCK_STATUS_MAX);
return DOMAIN_BLOCK_STATUS_NOT_BLOCKED;
}
int64 GpuDataManagerImpl::GetBlockAllDomainsDurationInMs() const {
return kBlockAllDomainsMs;
}
void GpuDataManagerImpl::Notify3DAPIBlocked(const GURL& url,
int render_process_id,
int render_view_id,
ThreeDAPIType requester) {
observer_list_->Notify(&GpuDataManagerObserver::DidBlock3DAPIs,
url, render_process_id, render_view_id, requester);
}
} // namespace content
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