15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/gpu/gpu_feature_checker.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/gpu_data_manager.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A false return value is always valid, but a true one is only valid if full 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// GPU info has been collected in a GPU process. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsFeatureAllowed(content::GpuDataManager* manager, 1690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) gpu::GpuFeatureType feature) { 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return (manager->GpuAccessAllowed(NULL) && 18c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) !manager->IsFeatureBlacklisted(feature)); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)GPUFeatureChecker::GPUFeatureChecker(gpu::GpuFeatureType feature, 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FeatureAvailableCallback callback) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : feature_(feature), 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_(callback) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GPUFeatureChecker::~GPUFeatureChecker() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GPUFeatureChecker::CheckGPUFeatureAvailability() { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool finalized = true; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_LINUX) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On Windows and Mac, so far we can always make the final WebGL blacklisting 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // decision based on partial GPU info; on Linux, we need to launch the GPU 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process to collect full GPU info and make the final decision. 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) finalized = false; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::GpuDataManager* manager = content::GpuDataManager::GetInstance(); 441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (manager->IsEssentialGpuInfoAvailable()) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) finalized = true; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool feature_allowed = IsFeatureAllowed(manager, feature_); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!feature_allowed) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) finalized = true; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (finalized) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_.Run(feature_allowed); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Matched with a Release in OnGpuInfoUpdate. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddRef(); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) manager->AddObserver(this); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) manager->RequestCompleteGpuInfoIfNeeded(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GPUFeatureChecker::OnGpuInfoUpdate() { 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::GpuDataManager* manager = content::GpuDataManager::GetInstance(); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) manager->RemoveObserver(this); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool feature_allowed = IsFeatureAllowed(manager, feature_); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_.Run(feature_allowed); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Matches the AddRef in HasFeature(). 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Release(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 71