#pragma once
#include <cstdint>

namespace renderive {

struct Frame_Flow_Runtime_Snapshot {
    bool destroying{};
    bool dirty{};
    bool render_job_active{};
    bool middle_has_new_frame{};
    bool paint_active{};
    std::uint64_t now_ns{};
};

class Frame_Flow_Host {
public:
    virtual ~Frame_Flow_Host() = default;

    [[nodiscard]] virtual Frame_Flow_Runtime_Snapshot runtime_snapshot(std::uint64_t now_ns) const = 0;
    [[nodiscard]] virtual bool try_render_once() = 0;
    virtual void request_paint_from_middle() = 0;
    virtual void schedule_render_deadline(std::uint64_t deadline_ns) = 0;
    virtual void cancel_render_deadline() = 0;
};

} // namespace renderive