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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 "base/command_line.h"
#include "base/metrics/histogram.h"
#include "base/string_number_conversions.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_switches.h"
#include "content/browser/browser_thread.h"
#include "content/browser/gpu_blacklist.h"
#include "content/browser/gpu_process_host.h"
#include "content/common/gpu_messages.h"
#include "content/gpu/gpu_info_collector.h"
#include "ui/gfx/gl/gl_implementation.h"
#include "ui/gfx/gl/gl_switches.h"
GpuDataManager::GpuDataManager()
: complete_gpu_info_already_requested_(false) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
GPUInfo gpu_info;
gpu_info_collector::CollectPreliminaryGraphicsInfo(&gpu_info);
UpdateGpuInfo(gpu_info);
}
GpuDataManager::~GpuDataManager() { }
GpuDataManager* GpuDataManager::GetInstance() {
return Singleton<GpuDataManager>::get();
}
void GpuDataManager::RequestCompleteGpuInfoIfNeeded() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (complete_gpu_info_already_requested_)
return;
complete_gpu_info_already_requested_ = true;
GpuProcessHost::SendOnIO(
0,
content::CAUSE_FOR_GPU_LAUNCH_GPUDATAMANAGER_REQUESTCOMPLETEGPUINFOIFNEEDED,
new GpuMsg_CollectGraphicsInfo());
}
void GpuDataManager::UpdateGpuInfo(const GPUInfo& gpu_info) {
base::AutoLock auto_lock(gpu_info_lock_);
if (!gpu_info_.Merge(gpu_info))
return;
child_process_logging::SetGpuInfo(gpu_info_);
}
const GPUInfo& GpuDataManager::gpu_info() const {
base::AutoLock auto_lock(gpu_info_lock_);
return gpu_info_;
}
Value* GpuDataManager::GetFeatureStatus() {
const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
if (gpu_blacklist_.get())
return gpu_blacklist_->GetFeatureStatus(GpuAccessAllowed(),
browser_command_line.HasSwitch(switches::kDisableAcceleratedCompositing),
browser_command_line.HasSwitch(switches::kEnableAccelerated2dCanvas),
browser_command_line.HasSwitch(switches::kDisableExperimentalWebGL),
browser_command_line.HasSwitch(switches::kDisableGLMultisampling));
return NULL;
}
std::string GpuDataManager::GetBlacklistVersion() const {
if (gpu_blacklist_.get() != NULL) {
uint16 version_major, version_minor;
if (gpu_blacklist_->GetVersion(&version_major,
&version_minor)) {
std::string version_string =
base::UintToString(static_cast<unsigned>(version_major)) +
"." +
base::UintToString(static_cast<unsigned>(version_minor));
return version_string;
}
}
return "";
}
void GpuDataManager::AddLogMessage(Value* msg) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
log_messages_.Append(msg);
}
const ListValue& GpuDataManager::log_messages() const {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return log_messages_;
}
GpuFeatureFlags GpuDataManager::GetGpuFeatureFlags() {
return gpu_feature_flags_;
}
bool GpuDataManager::GpuAccessAllowed() {
uint32 flags = gpu_feature_flags_.flags();
// This will in effect block access to all GPU features if any of them
// is blacklisted.
// TODO(vangelis): Restructure the code to make it possible to selectively
// blaclist gpu features.
return !(flags & GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas ||
flags & GpuFeatureFlags::kGpuFeatureAcceleratedCompositing ||
flags & GpuFeatureFlags::kGpuFeatureWebgl);
}
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::AppendRendererCommandLine(
CommandLine* command_line) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(command_line);
uint32 flags = gpu_feature_flags_.flags();
if ((flags & GpuFeatureFlags::kGpuFeatureWebgl) &&
!command_line->HasSwitch(switches::kDisableExperimentalWebGL))
command_line->AppendSwitch(switches::kDisableExperimentalWebGL);
if ((flags & GpuFeatureFlags::kGpuFeatureMultisampling) &&
!command_line->HasSwitch(switches::kDisableGLMultisampling))
command_line->AppendSwitch(switches::kDisableGLMultisampling);
// If we have kGpuFeatureAcceleratedCompositing, we disable all GPU features.
if (flags & GpuFeatureFlags::kGpuFeatureAcceleratedCompositing) {
const char* switches[] = {
switches::kDisableAcceleratedCompositing,
switches::kDisableExperimentalWebGL
};
const int switch_count = sizeof(switches) / sizeof(char*);
for (int i = 0; i < switch_count; ++i) {
if (!command_line->HasSwitch(switches[i]))
command_line->AppendSwitch(switches[i]);
}
}
}
void GpuDataManager::UpdateGpuBlacklist(GpuBlacklist* gpu_blacklist) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
gpu_blacklist_.reset(gpu_blacklist);
UpdateGpuFeatureFlags();
}
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();
}
}
void GpuDataManager::UpdateGpuFeatureFlags() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
GpuBlacklist* gpu_blacklist = GetGpuBlacklist();
if (gpu_blacklist == NULL)
return;
// We don't set a lock around modifying gpu_feature_flags_ since it's just an
// int.
if (!gpu_blacklist) {
gpu_feature_flags_.set_flags(0);
return;
}
{
base::AutoLock auto_lock(gpu_info_lock_);
gpu_feature_flags_ = gpu_blacklist->DetermineGpuFeatureFlags(
GpuBlacklist::kOsAny, NULL, gpu_info_);
// If gpu is blacklisted, no further GPUInfo will be collected.
gpu_info_.finalized = true;
}
uint32 max_entry_id = gpu_blacklist->max_entry_id();
if (!gpu_feature_flags_.flags()) {
UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerEntry",
0, max_entry_id + 1);
return;
}
// Notify clients that GpuInfo state has changed
RunGpuInfoUpdateCallbacks();
// TODO(zmo): move histograming to GpuBlacklist::DetermineGpuFeatureFlags.
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;
// 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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