1 // Copyright 2014 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 "content/browser/compositor/owned_mailbox.h" 6 7 #include "base/logging.h" 8 #include "content/browser/compositor/image_transport_factory.h" 9 #include "content/common/gpu/client/gl_helper.h" 10 11 namespace content { 12 13 OwnedMailbox::OwnedMailbox(GLHelper* gl_helper) 14 : texture_id_(0), gl_helper_(gl_helper) { 15 texture_id_ = gl_helper_->CreateTexture(); 16 mailbox_holder_ = gl_helper_->ProduceMailboxHolderFromTexture(texture_id_); 17 ImageTransportFactory::GetInstance()->AddObserver(this); 18 } 19 20 OwnedMailbox::~OwnedMailbox() { 21 if (gl_helper_) 22 Destroy(); 23 } 24 25 void OwnedMailbox::UpdateSyncPoint(uint32 sync_point) { 26 if (sync_point) 27 mailbox_holder_.sync_point = sync_point; 28 } 29 30 void OwnedMailbox::Destroy() { 31 ImageTransportFactory::GetInstance()->RemoveObserver(this); 32 gl_helper_->WaitSyncPoint(mailbox_holder_.sync_point); 33 gl_helper_->DeleteTexture(texture_id_); 34 texture_id_ = 0; 35 mailbox_holder_ = gpu::MailboxHolder(); 36 gl_helper_ = NULL; 37 } 38 39 void OwnedMailbox::OnLostResources() { 40 if (gl_helper_) 41 Destroy(); 42 } 43 44 } // namespace content 45
