| // Copyright 2014 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 "content/browser/compositor/owned_mailbox.h" |
| |
| #include "base/logging.h" |
| #include "content/browser/compositor/image_transport_factory.h" |
| #include "content/common/gpu/client/gl_helper.h" |
| |
| namespace content { |
| |
| OwnedMailbox::OwnedMailbox(GLHelper* gl_helper) |
| : texture_id_(0), gl_helper_(gl_helper) { |
| texture_id_ = gl_helper_->CreateTexture(); |
| mailbox_holder_ = gl_helper_->ProduceMailboxHolderFromTexture(texture_id_); |
| ImageTransportFactory::GetInstance()->AddObserver(this); |
| } |
| |
| OwnedMailbox::~OwnedMailbox() { |
| if (gl_helper_) |
| Destroy(); |
| } |
| |
| void OwnedMailbox::UpdateSyncPoint(uint32 sync_point) { |
| if (sync_point) |
| mailbox_holder_.sync_point = sync_point; |
| } |
| |
| void OwnedMailbox::Destroy() { |
| ImageTransportFactory::GetInstance()->RemoveObserver(this); |
| gl_helper_->WaitSyncPoint(mailbox_holder_.sync_point); |
| gl_helper_->DeleteTexture(texture_id_); |
| texture_id_ = 0; |
| mailbox_holder_ = gpu::MailboxHolder(); |
| gl_helper_ = NULL; |
| } |
| |
| void OwnedMailbox::OnLostResources() { |
| if (gl_helper_) |
| Destroy(); |
| } |
| |
| } // namespace content |