/*
 * Copyright (c) Hisilicon Technologies Co., Ltd.. 2019-2020. All rights reserved.
 * Description: overlay create win/queue buffer by VO
 * Author: Original Media Software Group
 * Create: 2019-07-15
 */
#ifndef  OVERLAY_ADAPTER_H
#define  OVERLAY_ADAPTER_H

#include <hardware/hwcomposer2.h>
#include <hardware/hwcomposer_defs.h>
#include <vector>
#include <mutex>

namespace android {
class VendorWindowAdp;
    using OverlayRect = struct {
        int left;
        int top;
        int right;
        int bottom;
    };

    using LayerInfo = struct {
        int visible;
        int displayId;
        buffer_handle_t handle;
        int sequence;
    };


    class OverlayAdapter {
    public:
        OverlayAdapter();

        virtual ~OverlayAdapter();

        /**
         * Interfaces used in HWC
         * prepare overlay layers
         */
        int PrepareOverlayLayer(const LayerInfo &info);
        /**
         * queue a buffer handle to overlay device for displaying.
         */

        int QueueBuffer(buffer_handle_t handle, int &releaseFence, const int &dataSpace);

        /**
         * area of the source to consider, the origin is the top-left corner of
         * the buffer.
         */
        int SetCrop(const OverlayRect &sourceCrop) const;

        int SetPosition(const OverlayRect &displayFrame) const;

        int SetTransform(uint32_t transform) const;

        int SetZorder(int32_t zorder) const;

        /**
         * get displayID
         */
        int GetDisplayID() const;

    private:
        int displayId;
        std::unique_ptr<VendorWindowAdp> impl;
    };
}
#endif /* OVERLAY_ADAPTER_H */