103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPLATFORMSHAREDGRAPHICSCACHE_H
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#define QPLATFORMSHAREDGRAPHICSCACHE_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is part of the QPA API and is not meant to be used
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// in applications. Usage of this API may make your code
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// source and binary incompatible with future versions of Qt.
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//
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#include <QtGui/qtguiglobal.h>
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#include <QtCore/qobject.h>
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#include <QtGui/qimage.h>
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QT_BEGIN_NAMESPACE
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class Q_GUI_EXPORT QPlatformSharedGraphicsCache: public QObject
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{
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Q_OBJECT
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public:
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enum PixelFormat
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{
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Alpha8
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};
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enum BufferType
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{
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OpenGLTexture
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};
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explicit QPlatformSharedGraphicsCache(QObject *parent = nullptr) : QObject(parent) {}
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virtual void beginRequestBatch() = 0;
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virtual void ensureCacheInitialized(const QByteArray &cacheId, BufferType bufferType,
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PixelFormat pixelFormat) = 0;
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virtual void requestItems(const QByteArray &cacheId, const QList<quint32> &itemIds) = 0;
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virtual void insertItems(const QByteArray &cacheId, const QList<quint32> &itemIds,
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const QList<QImage> &items) = 0;
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virtual void releaseItems(const QByteArray &cacheId, const QList<quint32> &itemIds) = 0;
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virtual void endRequestBatch() = 0;
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virtual bool requestBatchStarted() const = 0;
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virtual uint textureIdForBuffer(void *bufferId) = 0;
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virtual void referenceBuffer(void *bufferId) = 0;
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virtual bool dereferenceBuffer(void *bufferId) = 0;
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virtual QSize sizeOfBuffer(void *bufferId) = 0;
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virtual void *eglImageForBuffer(void *bufferId) = 0;
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Q_SIGNALS:
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void itemsMissing(const QByteArray &cacheId, const QList<quint32> &itemIds);
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void itemsAvailable(const QByteArray &cacheId, void *bufferId, const QList<quint32> &itemIds,
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const QList<QPoint> &positionsInBuffer);
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void itemsInvalidated(const QByteArray &cacheId, const QList<quint32> &itemIds);
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void itemsUpdated(const QByteArray &cacheId, void *bufferId, const QList<quint32> &itemIds,
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const QList<QPoint> &positionsInBuffer);
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};
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QT_END_NAMESPACE
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#endif // QPLATFORMSHAREDGRAPHICSCACHE_H
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