D3D12Core

class D3D12Core
    {
    public:
        D3D12Core();
        ~D3D12Core() = default;
        static D3D12Core& Get()
        {
            if(s_Instance == nullptr)
                s_Instance = new D3D12Core();
            return *s_Instance;
        }
        ComPtr<ID3D12Device2> GetDevice() const { return m_Device; }
        Ref<CommandQueue> GetCommandQueue(D3D12_COMMAND_LIST_TYPE type);
        ComPtr<ID3D12Resource> GetCurrentBackBuffer(UINT current) { return m_BackBuffers[current]; }
        uint32_t GetClientWidth() const {return m_ClientWidth;}
        uint32_t GetClientHeight() const { return m_ClientHeight; }
        ComPtr<ID3D12Device2> CreateDevice(bool bUseWarp);
        ComPtr<ID3D12DescriptorHeap> CreateDescriptorHeap(UINT numDescriptors, D3D12_DESCRIPTOR_HEAP_TYPE type);
        ComPtr<IDXGISwapChain4> CreateSwapChain(HWND windowHandle,ComPtr<ID3D12CommandQueue> commandqueue, uint32_t width, uint32_t Height);
        void UpdateRenderTargetViews(ComPtr<IDXGISwapChain4> swapChain, ComPtr<ID3D12DescriptorHeap> descriptorHeap);
        bool CheckTearingSupport();
        static const uint8_t m_BufferCount = 3;
        ComPtr<ID3D12Resource> m_BackBuffers[m_BufferCount];
        uint64_t m_FenceValues[m_BufferCount];
    private:
        void ParseCommandLineArguments();
        uint32_t m_ClientWidth = 1280;
        uint32_t m_ClientHeight = 720;
        Ref<CommandQueue> m_DirectCommandQueue;
        Ref<CommandQueue> m_ComputeCommandQueue;
        Ref<CommandQueue> m_CopyCommandQueue;
        ComPtr<ID3D12Device2> m_Device;
        bool m_UseWarp;
        static D3D12Core* s_Instance;
    };