#include <pch.h>

#include <Graphics/D3D12/DX12Includes.h>
#include <Graphics/GraphicsDevice.h>

namespace Juliet
{
    // TODO : Use LoadLibrary and not link to the lib. Allows failing earlier if Dx12 is not installed for some reason
    // + Will load the dll when needed
    // This will prevent us from using IID_ variables as they are defined in dxguid.lib
    namespace
    {
        bool CheckDriver()
        {
            HRESULT result;
            // ID3D12Device *device;
            IDXGIFactory4* factory4;
            IDXGIFactory6* factory6;
            IDXGIAdapter1* adapter;

            ID3D12Object* test;
            // Can create DXGI factory ?
            IDXGIFactory1* factory1 = nullptr;
            result                  = CreateDXGIFactory1(IID_IDXGIFactory1, reinterpret_cast<void**>(&factory1));
            if (FAILED(result))
            {
                Log(LogLevel::Warning, LogCategory::Graphics, "DX12: Cannot create DXGIFactory1");
                return false;
            }

            // Can query the 1.4 factory ?
            result = IDXGIFactory1_QueryInterface(factory1, IID_IDXGIFactory4, reinterpret_cast<void**>(&factory4));
            if (FAILED(result))
            {
                IDXGIFactory1_Release(factory1);
                Log(LogLevel::Warning, LogCategory::Graphics, "DX12: Failed to query DXGI1.4.");
                return false;
            }
            IDXGIFactory4_Release(factory4);
            IDXGIFactory1_Release(factory1);

            return false;
        }

        GraphicsDevice* CreateGraphicsDevice()
        {
            return nullptr;
        }
    } // namespace

    // clang-format off
    GraphicsDeviceFactory DX12DeviceFactory = {
        .Name="DirectX12",
        .Type=RendererType::DX12,
        .CheckDriver = CheckDriver,
        .CreateGraphicsDevice = CreateGraphicsDevice };
    // clang-format on
} // namespace Juliet