Directx11 초기화

class Application {public: virtual ~Application() = default; // Runs the main engine loopvoid Run(); // This is where the critical initializations happen (before any rendering or anything else)virtual void Initialize(); // This is where application-wide updates get executed once per frame.// RenderPath::Update is also called from here for the active componentvirtual void Update(float dt); // This is where application-wide updates get executed in a fixed timestep based manner.// RenderPath::FixedUpdate is also called from here for the active componentvirtual void FixedUpdate(); // This is where application-wide rendering happens to offscreen buffers.// RenderPath::Render is also called from here for the active componentvirtual void Render(); // You need to call this before calling Run() or Initialize() if you want to rendervoid SetWindow(HWND hwnd, UINT width, UINT height); UINT GetWidth() { return mWidth; } UINT GetHeight() { return mHegith; } HWND GetHwnd() { return mHwnd; } private: bool initialized = false; std::unique_ptr<ya::graphics::GraphicsDevice> graphicsDevice; HWND mHwnd; UINT mWidth; UINT mHegith; };

#pragma once #include <d3d11.h> #include <d3dcompiler.h> #pragma comment(lib, "d3d11.lib") #pragma comment(lib, "d3dcompiler.lib") #include "CommonInclude.h" //https://github.com/kevinmoran/BeginnerDirect3D11 // namespace ya::graphics { class GraphicDevice_DX11 { public: GraphicDevice_DX11(); ~GraphicDevice_DX11(); void Initialize(); void Draw(); private: Microsoft::WRL::ComPtr<ID3D11Device> mDevice; Microsoft::WRL::ComPtr<ID3D11DeviceContext> mContext; Microsoft::WRL::ComPtr<ID3D11Texture2D> mRenderTarget; Microsoft::WRL::ComPtr<ID3D11RenderTargetView> mRenderTargetView; Microsoft::WRL::ComPtr<ID3D11Texture2D> mDepthStencil; Microsoft::WRL::ComPtr<ID3D11DepthStencilView> mDepthStencilView; Microsoft::WRL::ComPtr<IDXGISwapChain> mSwapChain; Microsoft::WRL::ComPtr<ID3D11SamplerState> mSamplers; }; }

// Device , Device Context UINT DeviceFlag = D3D11_CREATE_DEVICE_DEBUG; D3D_FEATURE_LEVEL FeatureLevel = (D3D_FEATURE_LEVEL)0; ID3D11Device* pDevice = nullptr; HRESULT hr = D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr , DeviceFlag, nullptr, 0 , D3D11_SDK_VERSION , mDevice.GetAddressOf() , &FeatureLevel , mContext.GetAddressOf());

typedef enum D3D_FEATURE_LEVEL { D3D_FEATURE_LEVEL_1_0_CORE = 0x1000, D3D_FEATURE_LEVEL_9_1 = 0x9100, D3D_FEATURE_LEVEL_9_2 = 0x9200, D3D_FEATURE_LEVEL_9_3 = 0x9300, D3D_FEATURE_LEVEL_10_0 = 0xa000, D3D_FEATURE_LEVEL_10_1 = 0xa100, D3D_FEATURE_LEVEL_11_0 = 0xb000, D3D_FEATURE_LEVEL_11_1 = 0xb100, D3D_FEATURE_LEVEL_12_0 = 0xc000, D3D_FEATURE_LEVEL_12_1 = 0xc100, D3D_FEATURE_LEVEL_12_2 = 0xc200 } D3D_FEATURE_LEVEL;

bool GraphicsDevice_DX11::CreateSwapChain(const SwapChainDesc* desc, HWND hWnd, SwapChain* swapchain) { DXGI_SWAP_CHAIN_DESC dxgiDesc = {}; dxgiDesc.OutputWindow = hWnd;// 버퍼를 출력할 윈도우 dxgiDesc.Windowed = true;// 윈도우, 전체화면 모드 dxgiDesc.BufferCount = desc->buffer_count; //백버퍼 개수 dxgiDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;// 이전 프레임 장면을 유지하지 않는다. dxgiDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; //백버퍼를 어떤 용도로사용할 것인지.. dxgiDesc.BufferDesc.Width = desc->width; //백버퍼 가로 세로 dxgiDesc.BufferDesc.Height = desc->height; dxgiDesc.BufferDesc.Format = (DXGI_FORMAT)desc->format; //백버퍼 포맷 : RGBA 8 비트이며 값의 범위0.0~1.0 dxgiDesc.BufferDesc.RefreshRate.Numerator = 144; //화면의 주사율 dxgiDesc.BufferDesc.RefreshRate.Denominator = 1; dxgiDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED; dxgiDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED; dxgiDesc.SampleDesc.Count = 1; //멀티 샘플링 수 dxgiDesc.SampleDesc.Quality = 0; //멀티 샘플링 퀄리티 Microsoft::WRL::ComPtr<IDXGIDevice> pDXGIDevice = nullptr; Microsoft::WRL::ComPtr<IDXGIAdapter> pAdapter = nullptr; Microsoft::WRL::ComPtr<IDXGIFactory> pFactory = nullptr; if (FAILED(mDevice->QueryInterface(__uuidof(IDXGIDevice), (void**)pDXGIDevice.GetAddressOf()))) return false; if (FAILED(pDXGIDevice->GetParent(__uuidof(IDXGIAdapter), (void**)pAdapter.GetAddressOf()))) return false; if (FAILED(pAdapter->GetParent(__uuidof(IDXGIFactory), (void**)pFactory.GetAddressOf()))) return false; if (FAILED(pFactory->CreateSwapChain(mDevice.Get(), &dxgiDesc, mSwapChain.GetAddressOf()))) return false; return true; }

// Get render target by Swapchain hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)mFrameBuffer.GetAddressOf());

// Create Rendertarget view hr = mDevice->CreateRenderTargetView(mFrameBuffer.Get(), nullptr, mRenderTargetView.GetAddressOf());

// Create Depth Stencil Bufferif (FAILED(mDevice->CreateTexture2D(&dxgiDesc, nullptr, mDepthStencilBuffer.GetAddressOf()))) return false; // Create Depth Stencil Buffer Viewif (FAILED(mDevice->CreateDepthStencilView(mDepthStencilBuffer.Get(), nullptr, mDepthStencilView.GetAddressOf()))) return false;

// Create depth stencil texture D3D11_TEXTURE2D_DESC descDepth; ZeroMemory( &descDepth, sizeof(descDepth) ); //초기화 descDepth.Width = width; descDepth.Height = height; descDepth.MipLevels = 1; //밉맵 레벨 개수 descDepth.ArraySize = 1; // 배열 사이즈 descDepth.Format = DXGI_FORMAT_D24_UNORM_S8_UINT; // 포맷 (깊이버퍼 24bit, 스텐실 8 bit) descDepth.SampleDesc.Count = 1; //멀티 샘플링 수 descDepth.SampleDesc.Quality = 0; //멀티 샘플링 퀄리티 descDepth.Usage = D3D11_USAGE_DEFAULT; //디폴트 사용법 descDepth.BindFlags = D3D11_BIND_DEPTH_STENCIL; //깊이/스텐실 버퍼로써 사용 descDepth.CPUAccessFlags = 0; //CPU로부터는 액세스 하지 않음 descDepth.MiscFlags = 0; //그 외 설정 없음 hr = g_pd3dDevice->CreateTexture2D( &descDepth, NULL, &g_pDepthStencil ); //텍스처 생성

ID3D11DepthStencilView* g_pDepthStencilView = NULL; // Create the depth stencil view D3D11_DEPTH_STENCIL_VIEW_DESC descDSV; ZeroMemory( &descDSV, sizeof(descDSV) ); descDSV.Format = descDepth.Format; //깊이/스텐실텍스처에서 사용한 포맷 그대로 사용 descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D; //2D 텍스처 descDSV.Texture2D.MipSlice = 0; hr = g_pd3dDevice->CreateDepthStencilView( g_pDepthStencil, &descDSV, &g_pDepthStencilView );

mContext->OMSetRenderTargets(1, mRenderTargetView.GetAddressOf(), mDepthStencilView.Get());

void GraphicsDevice_DX11::Draw() { FLOAT backgroundColor[4] = { 0.2f, 0.2f, 0.2f, 1.0f }; mContext->ClearRenderTargetView(mRenderTargetView.Get(), backgroundColor); mContext->ClearDepthStencilView(mDepthStencilView.Get(), D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.f, 0); // draw object mSwapChain->Present(1, 0); }