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** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of Qt 3D Studio.
**
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#pragma once
#ifndef QT3DS_RENDER_RESOURCE_BUFFER_OBJECTS_H
#define QT3DS_RENDER_RESOURCE_BUFFER_OBJECTS_H
#include "Qt3DSRender.h"
#include "render/Qt3DSRenderContext.h"
#include "Qt3DSRenderResourceManager.h"
#include "render/Qt3DSRenderFrameBuffer.h"
#include "render/Qt3DSRenderRenderBuffer.h"

namespace qt3ds {
namespace render {
    class CResourceFrameBuffer
    {
    protected:
        IResourceManager &m_ResourceManager;
        NVRenderFrameBuffer *m_FrameBuffer;

    public:
        CResourceFrameBuffer(IResourceManager &mgr);
        ~CResourceFrameBuffer();
        bool EnsureFrameBuffer();
        void ReleaseFrameBuffer();

        IResourceManager &GetResourceManager() { return m_ResourceManager; }
        operator NVRenderFrameBuffer *() { return m_FrameBuffer; }
        NVRenderFrameBuffer *operator->()
        {
            QT3DS_ASSERT(m_FrameBuffer);
            return m_FrameBuffer;
        }
        NVRenderFrameBuffer &operator*()
        {
            QT3DS_ASSERT(m_FrameBuffer);
            return *m_FrameBuffer;
        }
    };

    class CResourceRenderBuffer
    {
    protected:
        IResourceManager &m_ResourceManager;
        NVRenderRenderBuffer *m_RenderBuffer;
        qt3ds::render::NVRenderRenderBufferFormats::Enum m_StorageFormat;
        qt3ds::render::NVRenderRenderBufferDimensions m_Dimensions;

    public:
        CResourceRenderBuffer(IResourceManager &mgr);
        ~CResourceRenderBuffer();
        bool EnsureRenderBuffer(QT3DSU32 width, QT3DSU32 height,
                                NVRenderRenderBufferFormats::Enum storageFormat);
        void ReleaseRenderBuffer();

        operator NVRenderRenderBuffer *() { return m_RenderBuffer; }
        NVRenderRenderBuffer *operator->()
        {
            QT3DS_ASSERT(m_RenderBuffer);
            return m_RenderBuffer;
        }
        NVRenderRenderBuffer &operator*()
        {
            QT3DS_ASSERT(m_RenderBuffer);
            return *m_RenderBuffer;
        }
    };
}
}
#endif