1d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 2d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)// found in the LICENSE file. 4d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 51e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/renderer_host/renderer_frame_manager.h" 6d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 75d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <algorithm> 85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "base/logging.h" 105c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/memory/shared_memory.h" 11d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "base/sys_info.h" 125c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "content/common/host_shared_bitmap_manager.h" 13d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 14d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)namespace content { 15d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)RendererFrameManager* RendererFrameManager::GetInstance() { 171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) return Singleton<RendererFrameManager>::get(); 18d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 19d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 201e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)void RendererFrameManager::AddFrame(RendererFrameManagerClient* frame, 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool locked) { 22d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) RemoveFrame(frame); 235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (locked) 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_[frame] = 1; 25d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) else 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) unlocked_frames_.push_front(frame); 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CullUnlockedFrames(); 28d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 29d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)void RendererFrameManager::RemoveFrame(RendererFrameManagerClient* frame) { 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::map<RendererFrameManagerClient*, size_t>::iterator locked_iter = 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_.find(frame); 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (locked_iter != locked_frames_.end()) 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_.erase(locked_iter); 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) unlocked_frames_.remove(frame); 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void RendererFrameManager::LockFrame(RendererFrameManagerClient* frame) { 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::list<RendererFrameManagerClient*>::iterator unlocked_iter = 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::find(unlocked_frames_.begin(), unlocked_frames_.end(), frame); 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (unlocked_iter != unlocked_frames_.end()) { 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(locked_frames_.find(frame) == locked_frames_.end()); 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) unlocked_frames_.remove(frame); 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_[frame] = 1; 455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(locked_frames_.find(frame) != locked_frames_.end()); 475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_[frame]++; 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 49d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 50d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void RendererFrameManager::UnlockFrame(RendererFrameManagerClient* frame) { 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(locked_frames_.find(frame) != locked_frames_.end()); 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) size_t locked_count = locked_frames_[frame]; 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(locked_count); 555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (locked_count > 1) { 565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locked_frames_[frame]--; 57d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) } else { 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RemoveFrame(frame); 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) unlocked_frames_.push_front(frame); 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CullUnlockedFrames(); 61d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) } 62d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 63d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)RendererFrameManager::RendererFrameManager() { 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_number_of_saved_frames_ = 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#if defined(OS_ANDROID) 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1; 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#else 695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::min(5, 2 + (base::SysInfo::AmountOfPhysicalMemoryMB() / 256)); 705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 715c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu max_handles_ = base::SharedMemory::GetHandleLimit() / 8.0f; 725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 73d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 741e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)RendererFrameManager::~RendererFrameManager() {} 75d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void RendererFrameManager::CullUnlockedFrames() { 775c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu uint32 saved_frame_limit = max_number_of_saved_frames(); 785c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 795c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (unlocked_frames_.size() + locked_frames_.size() > 0) { 805c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu float handles_per_frame = 815c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu HostSharedBitmapManager::current()->AllocatedBitmapCount() * 1.0f / 825c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu (unlocked_frames_.size() + locked_frames_.size()); 835c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 845c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu saved_frame_limit = std::max( 855c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1, 865c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static_cast<int>(std::min(static_cast<float>(saved_frame_limit), 875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu max_handles_ / handles_per_frame))); 885c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) while (!unlocked_frames_.empty() && 905c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu unlocked_frames_.size() + locked_frames_.size() > saved_frame_limit) { 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) size_t old_size = unlocked_frames_.size(); 92d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) // Should remove self from list. 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) unlocked_frames_.back()->EvictCurrentFrame(); 945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK_EQ(unlocked_frames_.size() + 1, old_size); 95d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) } 96d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 97d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 98d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} // namespace content 99