resourceaccessor_p.h

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// Copyright (C) 2017 The Qt Company Ltd and/or its subsidiary(-ies).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_RENDER_RESOURCEACCESSOR_P_H

#define QT3DRENDER_RENDER_RESOURCEACCESSOR_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <Qt3DCore/qnodeid.h>

#include <private/qt3drender_global_p.h>

QT_BEGIN_NAMESPACE

class QMutex;

namespace Qt3DRender

namespace Render {

class TextureManager;

class AttachmentManager;

class GLTextureManager;

class EntityManager;

class NodeManagers;

class AbstractRenderer;

class Q_3DRENDERSHARED_PRIVATE_EXPORT RenderBackendResourceAccessor

public:

    enum ResourceType {

        OGLTextureWrite,

        OGLTextureRead,

        OutputAttachment,

        EntityHandle,

};

    virtual ~RenderBackendResourceAccessor();

    virtual bool accessResource(ResourceType type, Qt3DCore::QNodeId nodeId, void **handle, QMutex **lock) = 0;

};

class Q_3DRENDERSHARED_PRIVATE_EXPORT ResourceAccessor : public RenderBackendResourceAccessor

public:

    ResourceAccessor(AbstractRenderer *renderer, NodeManagers *mgr);

    bool accessResource(ResourceType type, Qt3DCore::QNodeId nodeId, void **handle, QMutex **lock) final;

private:

    AbstractRenderer *m_renderer;

    TextureManager *m_textureManager;

    AttachmentManager *m_attachmentManager;

    EntityManager *m_entityManager;

};

} // namespace Render

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_RESOURCEACCESSOR_P_H