1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/gpu/gl_string_manager.h" 6 7 #include "base/prefs/pref_registry_simple.h" 8 #include "base/prefs/pref_service.h" 9 #include "chrome/browser/browser_process.h" 10 #include "chrome/common/pref_names.h" 11 #include "content/public/browser/gpu_data_manager.h" 12 13 // static RegisterPrefs(PrefRegistrySimple * registry)14 void GLStringManager::RegisterPrefs(PrefRegistrySimple* registry) { 15 registry->RegisterStringPref(prefs::kGLVendorString, std::string()); 16 registry->RegisterStringPref(prefs::kGLRendererString, std::string()); 17 registry->RegisterStringPref(prefs::kGLVersionString, std::string()); 18 } 19 GLStringManager()20 GLStringManager::GLStringManager() { 21 } 22 ~GLStringManager()23 GLStringManager::~GLStringManager() { 24 } 25 Initialize()26 void GLStringManager::Initialize() { 27 // On MacOSX or Windows, preliminary GPUInfo is enough. 28 #if defined(OS_LINUX) 29 // We never remove this observer from GpuDataManager. 30 content::GpuDataManager::GetInstance()->AddObserver(this); 31 32 PrefService* local_state = g_browser_process->local_state(); 33 if (!local_state) 34 return; 35 36 gl_vendor_ = local_state->GetString(prefs::kGLVendorString); 37 gl_renderer_ = local_state->GetString(prefs::kGLRendererString); 38 gl_version_ = local_state->GetString(prefs::kGLVersionString); 39 40 if (!gl_vendor_.empty() || !gl_renderer_.empty() || !gl_version_.empty()) { 41 content::GpuDataManager::GetInstance()->SetGLStrings( 42 gl_vendor_, gl_renderer_, gl_version_); 43 } 44 #endif 45 } 46 OnGpuInfoUpdate()47 void GLStringManager::OnGpuInfoUpdate() { 48 std::string gl_vendor, gl_renderer, gl_version; 49 content::GpuDataManager::GetInstance()->GetGLStrings( 50 &gl_vendor, &gl_renderer, &gl_version); 51 52 PrefService* local_state = g_browser_process->local_state(); 53 if (!local_state) 54 return; 55 56 if (!gl_vendor.empty() && gl_vendor != gl_vendor_) { 57 gl_vendor_ = gl_vendor; 58 local_state->SetString(prefs::kGLVendorString, gl_vendor_); 59 } 60 if (!gl_renderer.empty() && gl_renderer != gl_renderer_) { 61 gl_renderer_ = gl_renderer; 62 local_state->SetString(prefs::kGLRendererString, gl_renderer_); 63 } 64 if (!gl_version.empty() && gl_version != gl_version_) { 65 gl_version_ = gl_version; 66 local_state->SetString(prefs::kGLVersionString, gl_version_); 67 } 68 } 69 70