1 // Copyright 2013 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/aura/owned_mailbox.h" 6 7 #include "base/logging.h" 8 #include "content/browser/aura/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), sync_point_(0), gl_helper_(gl_helper) { 15 texture_id_ = gl_helper_->CreateTexture(); 16 mailbox_ = gl_helper_->ProduceMailboxFromTexture(texture_id_, &sync_point_); 17 ImageTransportFactory::GetInstance()->AddObserver(this); 18 } 19 20 OwnedMailbox::~OwnedMailbox() { 21 ImageTransportFactory::GetInstance()->RemoveObserver(this); 22 if (gl_helper_) { 23 gl_helper_->WaitSyncPoint(sync_point_); 24 gl_helper_->DeleteTexture(texture_id_); 25 } 26 } 27 28 void OwnedMailbox::UpdateSyncPoint(uint32 sync_point) { 29 if (sync_point) 30 sync_point_ = sync_point; 31 } 32 33 void OwnedMailbox::OnLostResources() { 34 gl_helper_->WaitSyncPoint(sync_point_); 35 gl_helper_->DeleteTexture(texture_id_); 36 texture_id_ = 0; 37 mailbox_ = gpu::Mailbox(); 38 sync_point_ = 0; 39 gl_helper_ = NULL; 40 } 41 42 } // namespace content 43
