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#ifndef QSSG_RENDERER_IMPL_LAYER_RENDER_DATA_H
#define QSSG_RENDERER_IMPL_LAYER_RENDER_DATA_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 <QtQuick3DRuntimeRender/private/qssgrendererimpllayerrenderpreparationdata_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderer_p.h>

QT_BEGIN_NAMESPACE

struct QSSGRhiRenderableTexture
{
    QSSGRhiContext *rhiCtx = nullptr;
    QRhiTexture *texture = nullptr;
    QRhiRenderBuffer *depthStencil = nullptr;
    QRhiRenderPassDescriptor *rpDesc = nullptr;
    QRhiTextureRenderTarget *rt = nullptr;
    bool isValid() const { return texture && rpDesc && rt; }
    void resetRenderTarget() {
        if (rhiCtx && rpDesc)
            rhiCtx->invalidateCachedReferences(rpDesc);
        delete rt;
        rt = nullptr;
        delete rpDesc;
        rpDesc = nullptr;
    }
    void reset() {
        resetRenderTarget();
        delete texture;
        delete depthStencil;
        *this = QSSGRhiRenderableTexture();
    }
};

struct Q_QUICK3DRUNTIMERENDER_EXPORT QSSGLayerRenderData : public QSSGLayerRenderPreparationData
{
    QAtomicInt ref;

    QSSGRenderTextureFormat m_depthBufferFormat;

    // RHI resources
    QSSGRhiRenderableTexture m_rhiDepthTexture;
    QSSGRhiRenderableTexture m_rhiAoTexture;
    QSSGRhiRenderableTexture m_rhiScreenTexture;

    // ProgressiveAA algorithm details.
    quint32 m_progressiveAAPassIndex;
    // Increments every frame regardless to provide appropriate jittering
    quint32 m_temporalAAPassIndex;

    QSize m_previousOutputSize;

    bool m_globalZPrePassActive;

    QSSGLayerRenderData(QSSGRenderLayer &inLayer, const QSSGRef<QSSGRenderer> &inRenderer);

    virtual ~QSSGLayerRenderData() override;

    // Internal Call
    void prepareForRender(const QSize &outputSize) override;
    void resetForFrame() final;

    // RHI-only
    void rhiPrepare();
    void rhiRender();

};
QT_END_NAMESPACE
#endif
