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** Copyright (C) 2008-2012 NVIDIA Corporation.
** 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_MANAGER_H
#define QT3DS_RENDER_RESOURCE_MANAGER_H
#include "Qt3DSRender.h"
#include "foundation/Qt3DSRefCounted.h"
#include "render/Qt3DSRenderBaseTypes.h"

namespace qt3ds {
namespace render {
    /**
     *	Implements simple pooling of render resources
     */
    class IResourceManager : public NVRefCounted
    {
    protected:
        virtual ~IResourceManager() {}

    public:
        virtual NVRenderFrameBuffer *AllocateFrameBuffer() = 0;
        virtual void Release(NVRenderFrameBuffer &inBuffer) = 0;
        virtual NVRenderRenderBuffer *
        AllocateRenderBuffer(QT3DSU32 inWidth, QT3DSU32 inHeight,
                             NVRenderRenderBufferFormats::Enum inBufferFormat) = 0;
        virtual void Release(NVRenderRenderBuffer &inBuffer) = 0;
        virtual NVRenderTexture2D *AllocateTexture2D(QT3DSU32 inWidth, QT3DSU32 inHeight,
                                                     NVRenderTextureFormats::Enum inTextureFormat,
                                                     QT3DSU32 inSampleCount = 1,
                                                     bool immutable = false) = 0;
        virtual void Release(NVRenderTexture2D &inBuffer) = 0;
        virtual NVRenderTexture2DArray *
        AllocateTexture2DArray(QT3DSU32 inWidth, QT3DSU32 inHeight, QT3DSU32 inSlices,
                               NVRenderTextureFormats::Enum inTextureFormat,
                               QT3DSU32 inSampleCount = 1) = 0;
        virtual void Release(NVRenderTexture2DArray &inBuffer) = 0;
        virtual NVRenderTextureCube *
        AllocateTextureCube(QT3DSU32 inWidth, QT3DSU32 inHeight,
                            NVRenderTextureFormats::Enum inTextureFormat,
                            QT3DSU32 inSampleCount = 1) = 0;
        virtual void Release(NVRenderTextureCube &inBuffer) = 0;
        virtual NVRenderImage2D *AllocateImage2D(NVRenderTexture2D *inTexture,
                                                 NVRenderImageAccessType::Enum inAccess) = 0;
        virtual void Release(NVRenderImage2D &inBuffer) = 0;

        virtual NVRenderContext &GetRenderContext() = 0;
        virtual void DestroyFreeSizedResources() = 0;

        static IResourceManager &CreateResourceManager(NVRenderContext &inContext);
    };
}
}

#endif