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Diffstat (limited to 'src/core/compositor/compositor_resource_tracker.h')
| -rw-r--r-- | src/core/compositor/compositor_resource_tracker.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/core/compositor/compositor_resource_tracker.h b/src/core/compositor/compositor_resource_tracker.h deleted file mode 100644 index 080891e5f..000000000 --- a/src/core/compositor/compositor_resource_tracker.h +++ /dev/null @@ -1,127 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWebEngine module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef COMPOSITOR_RESOURCE_TRACKER_H -#define COMPOSITOR_RESOURCE_TRACKER_H - -#include "base/bind.h" -#include "base/callback.h" -#include "base/containers/flat_set.h" - -#include "compositor_resource.h" -#include "locked_ptr.h" - -#include <atomic> -#include <vector> - -namespace viz { -class CompositorFrame; -struct ReturnedResource; -} // namespace viz - -namespace gpu { -struct MailboxHolder; -} // namespace gpu - -namespace QtWebEngineCore { - -// Ensures resources are not used before they are ready. -// -// The life cycle of a frame's resources: -// -// Step 1. A new CompositorFrame is received and given to submitResources(). -// The frame's resources will extracted and initialized to a pending state. -// -// Step 2. Once the new resources are ready to be committed, -// CompositorResourceTracker will notify the client by running the callback -// given to submitResources(). -// -// Step 3. Once the client is ready to render, commitResources() should be -// called. This will commit all the pending resources, making them available -// via findResource(). -// -// Step 4. Once all the resources have been used (via findResource()), -// returnResources() may be called to return a list of all the resources which -// were *not* used since the last commitResources(). Go to step 1. -class CompositorResourceTracker final -{ -public: - CompositorResourceTracker(); - ~CompositorResourceTracker(); - - void submitResources(const viz::CompositorFrame &frame, base::OnceClosure callback); - void commitResources(); - std::vector<viz::ReturnedResource> returnResources(); - - // The returned pointer is invalidated by the next call to commitFrame() or - // returnResources(). It should therefore not be stored in data structures - // but used immediately. - // - // Do not ask for resources which do not exist. - const CompositorResource *findResource(CompositorResourceId id) const; - -private: - void updateBitmap(CompositorResource *resource); - - quint32 consumeMailbox(const gpu::MailboxHolder &mailboxHolder); - - bool scheduleUpdateMailbox(CompositorResource *resource); - void updateMailbox(CompositorResource *resource); - - void scheduleUpdateMailboxes(std::vector<CompositorResource *> resources); - void updateMailboxes(std::vector<CompositorResource *> resources); - - void scheduleRunSubmitCallback(); - void runSubmitCallback(); - - base::flat_set<CompositorResource> m_committedResources; - std::vector<CompositorResource> m_pendingResources; - std::vector<CompositorResource *> m_pendingImports; - base::OnceClosure m_submitCallback; - std::atomic<size_t> m_pendingResourceUpdates{0}; - quint32 m_committedFrameId = 0; - - base::LockedPtrFactory<CompositorResourceTracker> m_weakPtrFactory{this}; - - DISALLOW_COPY_AND_ASSIGN(CompositorResourceTracker); -}; - -} // namespace QtWebEngineCore - -#endif // !COMPOSITOR_RESOURCE_TRACKER_H |