Revision control
++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QWLTEXTUREORPHANAGE_P_H
++ #define QWLTEXTUREORPHANAGE_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QObject>
++ #include <QMutex>
++ #include <QLoggingCategory>
++ #include <QtWaylandCompositor/qtwaylandcompositorglobal.h>
++
++ #include <QtCore/qhash.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QOpenGLContext;
++ class QOpenGLTexture;
++
++ Q_DECLARE_LOGGING_CATEGORY(qLcWTO)
++
++ namespace QtWayland {
++
++ class Q_WAYLANDCOMPOSITOR_EXPORT QWaylandTextureOrphanage : public QObject
++ {
++ Q_OBJECT
++
++ public:
++ QWaylandTextureOrphanage(){};
++ ~QWaylandTextureOrphanage();
++
++ static QWaylandTextureOrphanage *instance();
++
++ // texture that isn't needed anymore will be "take care of" (killed) appropriately
++ void admitTexture(QOpenGLTexture *tex, QOpenGLContext *ctx);
++
++ // uses QOpenGLContext::currentContext to call deleteTexturesByContext on all shared ctx
++ void deleteTextures();
++
++ public Q_SLOTS:
++ // uses sender() to call deleteTexturesByContext
++ void onContextAboutToBeDestroyed(QOpenGLContext *ctx);
++
++ private:
++ void deleteTexturesByContext(QOpenGLContext *ctx);
++
++ // tracks all the orphanes that need to be deleted
++ QMultiHash<QOpenGLContext *, QOpenGLTexture *> m_orphanedTextures;
++
++ QMutex m_containerLock;
++ };
++
++ } // namespace QtWayland
++
++ QT_END_NAMESPACE
++ #endif