#include "vendor.hpp"

#include <cruft/json/tree.hpp>

using cruft::vk::icd::vendor;


///////////////////////////////////////////////////////////////////////////////
template <>
cruft::vk::icd::icd_t
json::tree::io<cruft::vk::icd::icd_t>::deserialise (json::tree::node const &obj)
{
    return {
        .file_format_version = obj["file_format_version"].as_string (),
        .icd = {
            .library_path = obj["ICD"]["library_path"].as_string ().native (),
            .api_version = obj["ICD"]["api_version"].as_string (),
        },
    };
}


///////////////////////////////////////////////////////////////////////////////
cruft::vk::icd::global_table const *cruft::vk::icd::g_table;



///////////////////////////////////////////////////////////////////////////////
vendor::vendor (icd_t const &_icd):
    vendor (cruft::library (_icd.icd.library_path))
{ ; }


//-----------------------------------------------------------------------------
vendor::vendor (::cruft::library &&_library)
    : m_library (std::move (_library))
    , m_get_proc (
        m_library.symbol<decltype(m_get_proc)> ("vk_icdGetInstanceProcAddr")
    )
{
    #define LOADFN(name)            \
    vtable.name = reinterpret_cast< \
        decltype(vtable.name)       \
    > (                             \
        m_get_proc(nullptr, #name)  \
    );

    MAP_INSTANCE_COMMANDS (LOADFN)
}