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// 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 "chrome/browser/gpu_data_manager.h"
#include "app/app_switches.h"
#include "app/gfx/gl/gl_implementation.h"
#include "base/command_line.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "content/browser/gpu_blacklist.h"
#include "grit/browser_resources.h"
#include "ui/base/resource/resource_bundle.h"
GpuDataManager::GpuDataManager()
: gpu_feature_flags_set_(false),
gpu_blacklist_cache_(NULL) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(g_browser_process);
PrefService* prefs = g_browser_process->local_state();
// If we bring up chrome normally, prefs should never be NULL; however, we
// we handle the case where prefs == NULL for certain tests.
if (prefs) {
prefs->RegisterDictionaryPref(prefs::kGpuBlacklist);
gpu_blacklist_cache_ = prefs->GetMutableDictionary(prefs::kGpuBlacklist);
DCHECK(gpu_blacklist_cache_);
gpu_blacklist_updater_ = new GpuBlacklistUpdater();
// TODO(zmo): uncomment the following line to turn on auto-updating.
// gpu_blacklist_updater_->StartAfterDelay();
}
LoadGpuBlacklist();
UpdateGpuBlacklist();
}
GpuDataManager::~GpuDataManager() { }
GpuDataManager* GpuDataManager::GetInstance() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return Singleton<GpuDataManager>::get();
}
void GpuDataManager::UpdateGpuInfo(const GPUInfo& gpu_info) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (gpu_info_.level() >= gpu_info.level())
return;
gpu_info_ = gpu_info;
child_process_logging::SetGpuInfo(gpu_info);
RunGpuInfoUpdateCallbacks();
}
const GPUInfo& GpuDataManager::gpu_info() const {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return gpu_info_;
}
GpuFeatureFlags GpuDataManager::GetGpuFeatureFlags() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
UpdateGpuFeatureFlags();
return gpu_feature_flags_;
}
void GpuDataManager::AddGpuInfoUpdateCallback(Callback0::Type* callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
gpu_info_update_callbacks_.insert(callback);
}
bool GpuDataManager::RemoveGpuInfoUpdateCallback(Callback0::Type* callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
std::set<Callback0::Type*>::iterator i =
gpu_info_update_callbacks_.find(callback);
if (i != gpu_info_update_callbacks_.end()) {
gpu_info_update_callbacks_.erase(i);
return true;
}
return false;
}
void GpuDataManager::RunGpuInfoUpdateCallbacks() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
std::set<Callback0::Type*>::iterator i = gpu_info_update_callbacks_.begin();
for (; i != gpu_info_update_callbacks_.end(); ++i) {
(*i)->Run();
}
}
bool GpuDataManager::LoadGpuBlacklist() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (gpu_blacklist_.get() != NULL)
return true;
static const base::StringPiece gpu_blacklist_json(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_GPU_BLACKLIST));
gpu_blacklist_.reset(new GpuBlacklist());
if (gpu_blacklist_->LoadGpuBlacklist(gpu_blacklist_json.as_string(), true))
return true;
gpu_blacklist_.reset(NULL);
return false;
}
bool GpuDataManager::UpdateGpuBlacklist() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (gpu_blacklist_cache_ == NULL)
return false;
uint16 cached_version_major, cached_version_minor;
if (!GpuBlacklist::GetVersion(*gpu_blacklist_cache_,
&cached_version_major,
&cached_version_minor))
return false;
if (gpu_blacklist_.get() != NULL) {
uint16 current_version_major, current_version_minor;
if (gpu_blacklist_->GetVersion(¤t_version_major,
¤t_version_minor) &&
(cached_version_major < current_version_major ||
(cached_version_major == current_version_major &&
cached_version_minor <= current_version_minor)))
return false;
}
GpuBlacklist* updated_list = new GpuBlacklist();
if (!updated_list->LoadGpuBlacklist(*gpu_blacklist_cache_, true)) {
delete updated_list;
return false;
}
gpu_blacklist_.reset(updated_list);
// Clear the flag to triger a re-computation of GpuFeatureFlags using the
// updated GPU blacklist.
gpu_feature_flags_set_ = false;
return true;
}
void GpuDataManager::UpdateGpuFeatureFlags() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (gpu_info_.level() == GPUInfo::kUninitialized)
return;
// Need to call this before checking gpu_feature_flags_set_ because it might
// be reset if a newer version of GPU blacklist is downloaed.
GpuBlacklist* gpu_blacklist = GetGpuBlacklist();
if (gpu_blacklist == NULL)
return;
if (gpu_feature_flags_set_)
return;
gpu_feature_flags_set_ = true;
gpu_feature_flags_.set_flags(0);
if (gpu_blacklist != NULL) {
gpu_feature_flags_ = gpu_blacklist->DetermineGpuFeatureFlags(
GpuBlacklist::kOsAny, NULL, gpu_info_);
if (gpu_feature_flags_.flags() != 0) {
// If gpu is blacklisted, no further GPUInfo will be collected.
gpu_info_.SetLevel(GPUInfo::kComplete);
// TODO(zmo): move histograming to GpuBlacklist::DetermineGpuFeatureFlags.
uint32 max_entry_id = gpu_blacklist->max_entry_id();
std::vector<uint32> flag_entries;
gpu_blacklist->GetGpuFeatureFlagEntries(
GpuFeatureFlags::kGpuFeatureAll, flag_entries);
DCHECK_GT(flag_entries.size(), 0u);
for (size_t i = 0; i < flag_entries.size(); ++i) {
UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerEntry",
flag_entries[i], max_entry_id + 1);
}
}
}
}
GpuBlacklist* GpuDataManager::GetGpuBlacklist() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) ||
browser_command_line.GetSwitchValueASCII(
switches::kUseGL) == gfx::kGLImplementationOSMesaName)
return NULL;
UpdateGpuBlacklist();
// No need to return an empty blacklist.
if (gpu_blacklist_.get() != NULL && gpu_blacklist_->max_entry_id() == 0)
return NULL;
return gpu_blacklist_.get();
}
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