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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/gpu/gpu_mode_manager.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/gpu_data_manager.h"
using base::UserMetricsAction;
namespace {
bool GetPreviousGpuModePref() {
PrefService* service = g_browser_process->local_state();
DCHECK(service);
return service->GetBoolean(prefs::kHardwareAccelerationModePrevious);
}
void SetPreviousGpuModePref(bool enabled) {
PrefService* service = g_browser_process->local_state();
DCHECK(service);
service->SetBoolean(prefs::kHardwareAccelerationModePrevious, enabled);
}
} // namespace
// static
void GpuModeManager::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterBooleanPref(
prefs::kHardwareAccelerationModeEnabled, true);
registry->RegisterBooleanPref(
prefs::kHardwareAccelerationModePrevious, true);
}
GpuModeManager::GpuModeManager()
: initial_gpu_mode_pref_(true) {
if (g_browser_process->local_state()) { // Skip for unit tests
pref_registrar_.Init(g_browser_process->local_state());
// Do nothing when the pref changes. It takes effect after
// chrome restarts.
pref_registrar_.Add(prefs::kHardwareAccelerationModeEnabled,
base::DoNothingAs<void()>());
initial_gpu_mode_pref_ = IsGpuModePrefEnabled();
bool previous_gpu_mode_pref = GetPreviousGpuModePref();
SetPreviousGpuModePref(initial_gpu_mode_pref_);
UMA_HISTOGRAM_BOOLEAN("GPU.HardwareAccelerationModeEnabled",
initial_gpu_mode_pref_);
if (previous_gpu_mode_pref && !initial_gpu_mode_pref_)
base::RecordAction(UserMetricsAction("GpuAccelerationDisabled"));
if (!previous_gpu_mode_pref && initial_gpu_mode_pref_)
base::RecordAction(UserMetricsAction("GpuAccelerationEnabled"));
if (!initial_gpu_mode_pref_) {
content::GpuDataManager* gpu_data_manager =
content::GpuDataManager::GetInstance();
DCHECK(gpu_data_manager);
gpu_data_manager->DisableHardwareAcceleration();
}
}
}
GpuModeManager::~GpuModeManager() = default;
bool GpuModeManager::initial_gpu_mode_pref() const {
return initial_gpu_mode_pref_;
}
// static
bool GpuModeManager::IsGpuModePrefEnabled() {
PrefService* service = g_browser_process->local_state();
DCHECK(service);
return service->GetBoolean(
prefs::kHardwareAccelerationModeEnabled);
}
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