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// 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 "build/build_config.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_);
}
}
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