Program Listing for File fps_counter.hpp

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#pragma once

#include <chrono>
#include <cstdint>
#include <optional>

namespace inexor::vulkan_renderer {

class FPSCounter {
    std::uint32_t m_frames{0};

    std::chrono::time_point<std::chrono::high_resolution_clock> m_last_time;

    float m_fps_update_interval{1.0f};

public:
    std::optional<std::uint32_t> update();
};

} // namespace inexor::vulkan_renderer