| // 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 "chrome/browser/gpu/gl_string_manager.h" |
| |
| #include "base/prefs/pref_registry_simple.h" |
| #include "base/prefs/pref_service.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/common/pref_names.h" |
| #include "content/public/browser/gpu_data_manager.h" |
| |
| // static |
| void GLStringManager::RegisterPrefs(PrefRegistrySimple* registry) { |
| registry->RegisterStringPref(prefs::kGLVendorString, std::string()); |
| registry->RegisterStringPref(prefs::kGLRendererString, std::string()); |
| registry->RegisterStringPref(prefs::kGLVersionString, std::string()); |
| } |
| |
| GLStringManager::GLStringManager() { |
| } |
| |
| GLStringManager::~GLStringManager() { |
| } |
| |
| void GLStringManager::Initialize() { |
| // On MacOSX or Windows, preliminary GPUInfo is enough. |
| #if defined(OS_LINUX) |
| // We never remove this observer from GpuDataManager. |
| content::GpuDataManager::GetInstance()->AddObserver(this); |
| |
| PrefService* local_state = g_browser_process->local_state(); |
| if (!local_state) |
| return; |
| |
| gl_vendor_ = local_state->GetString(prefs::kGLVendorString); |
| gl_renderer_ = local_state->GetString(prefs::kGLRendererString); |
| gl_version_ = local_state->GetString(prefs::kGLVersionString); |
| |
| if (!gl_vendor_.empty() || !gl_renderer_.empty() || !gl_version_.empty()) { |
| content::GpuDataManager::GetInstance()->SetGLStrings( |
| gl_vendor_, gl_renderer_, gl_version_); |
| } |
| #endif |
| } |
| |
| void GLStringManager::OnGpuInfoUpdate() { |
| std::string gl_vendor, gl_renderer, gl_version; |
| content::GpuDataManager::GetInstance()->GetGLStrings( |
| &gl_vendor, &gl_renderer, &gl_version); |
| |
| PrefService* local_state = g_browser_process->local_state(); |
| if (!local_state) |
| return; |
| |
| if (!gl_vendor.empty() && gl_vendor != gl_vendor_) { |
| gl_vendor_ = gl_vendor; |
| local_state->SetString(prefs::kGLVendorString, gl_vendor_); |
| } |
| if (!gl_renderer.empty() && gl_renderer != gl_renderer_) { |
| gl_renderer_ = gl_renderer; |
| local_state->SetString(prefs::kGLRendererString, gl_renderer_); |
| } |
| if (!gl_version.empty() && gl_version != gl_version_) { |
| gl_version_ = gl_version; |
| local_state->SetString(prefs::kGLVersionString, gl_version_); |
| } |
| } |
| |