#include "gfx_dx12.hpp"

#include <d3d12.h>
#include <dxgi1_6.h>
#include <d3dcompiler.h>

#include <wrl.h>
#include <codecvt>

// from https://stackoverflow.com/a/18374698
std::string ws2s(const std::wstring& wstr) {
    using convert_typeX = std::codecvt_utf8<wchar_t>;
    std::wstring_convert<convert_typeX, wchar_t> converterX;

    return converterX.to_bytes(wstr);
}

bool gfx_dx12::initialize(const GFXCreateInfo& info) {
    get_device();

	return true;
}

void gfx_dx12::get_device() {
    ComPtr<IDXGIFactory4> dxgiFactory;
    UINT createFactoryFlags = DXGI_CREATE_FACTORY_DEBUG;

    CreateDXGIFactory2(createFactoryFlags, IID_PPV_ARGS(&dxgiFactory));

    ComPtr<IDXGIAdapter1> adapter;
    for (UINT i = 0; dxgiFactory->EnumAdapters1(i, &adapter) != DXGI_ERROR_NOT_FOUND; i++) {
        DXGI_ADAPTER_DESC1 dxgiAdapterDesc1;
        adapter->GetDesc1(&dxgiAdapterDesc1);

        prism::log("GPU: {}", ws2s(dxgiAdapterDesc1.Description));
    }
}

const char* gfx_dx12::get_name() {
    return "DX12";
}