#pragma once

#include "vk.hpp"

#include <cruft/util/library.hpp>

#include <string>
#include <filesystem>


///////////////////////////////////////////////////////////////////////////////
namespace cruft::vk::icd {
    struct icd_t {
        std::string file_format_version;
        struct {
            std::filesystem::path library_path;
            std::string api_version;
        } icd;
    };


    std::vector<icd_t>
    enumerate (void);


    class vendor {
    public:
        vendor (icd_t const&);
        vendor (::cruft::library &&);

        struct vtable_t {
            VkResult (*CreateInstance) (
                VkInstanceCreateInfo const*,
                VkAllocationCallbacks const*,
                VkInstance*
            ) noexcept;

            void (*GetInstanceProc) (VkInstance instance, const char* pName) noexcept;
        } vtable;

    private:
        ::cruft::library m_library;

    public:
        using get_proc_t = void* (*)(VkInstance, char const*);
        get_proc_t const m_get_proc;
    };
}