add D3D11 project

GDP/D3D11/Direct3D.cpp

@@ -0,0 +1,94 @@
+#include "Direct3D.h"
+#include "Utilities.h"
+
+INT Direct3D::init(HWND hWnd, UINT width, UINT height, BOOL isFullscreen)
+{
+	HRESULT hr = {};
+
+	// 1. define swap chain description
+	DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
+	swapChainDesc.OutputWindow = hWnd; // target window instance handle
+	swapChainDesc.Windowed = !isFullscreen; // windowed or fullscreen
+	swapChainDesc.BufferCount = 1; // amount of backbuffers, minimum 1
+	swapChainDesc.BufferDesc.Width = width;
+	swapChainDesc.BufferDesc.Height = height;
+	swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; // pixel format, here 4 channels (red, green, blue, alpha) with 8bit depth each and unsigned normalized floating points
+	swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; // which technique is used to render to back buffer
+	swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; // what happens to front buffer after swap
+	swapChainDesc.SampleDesc.Count = 1; // have to be at least one
+
+	// 2. create Direct3D device, device context & swap chain
+	D3D_FEATURE_LEVEL featureLevels[] = {
+		D3D_FEATURE_LEVEL_11_1,
+		D3D_FEATURE_LEVEL_11_0,
+		D3D_FEATURE_LEVEL_10_1,
+		D3D_FEATURE_LEVEL_10_0
+	};
+
+	D3D_FEATURE_LEVEL chosenFeatureLevel = {};
+
+	hr = D3D11CreateDeviceAndSwapChain(
+		nullptr, // graphic card, nullptr -> default adapter
+		D3D_DRIVER_TYPE_HARDWARE, // rendering with hard- or software renderer
+		nullptr, // software renderer module reference
+		0, // optional flags
+		featureLevels, std::size(featureLevels), // which api features are supported
+		D3D11_SDK_VERSION, &swapChainDesc, &_pDXGISwapChain, &_pD3DDevice, &chosenFeatureLevel, &_pD3DDeviceContext);
+	CheckFailed(hr, 20);
+
+	// 3. create render target
+	ID3D11Texture2D* pBackBuffer = nullptr;
+	hr = _pDXGISwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer));
+	CheckFailed(hr, 22);
+
+	hr = _pD3DDevice->CreateRenderTargetView(pBackBuffer, nullptr, &_pD3DRenderTargetView);
+	CheckFailed(hr, 24);
+
+	safeRelease(pBackBuffer);
+
+	// 4. create depth stencil buffer
+
+	// 5. create rasterizer state
+	//d3d.getDevice()->SetRenderState(D3DRS_LIGHTING, TRUE);
+//d3d.getDevice()->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+//d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+//d3d.getDevice()->SetRenderState(D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
+//d3d.getDevice()->SetRenderState(D3DRS_SPECULARMATERIALSOURCE, D3DMCS_MATERIAL);
+//d3d.getDevice()->SetRenderState(D3DRS_SPECULARENABLE, TRUE);
+
+	// 6. describe viewport
+	D3D11_VIEWPORT viewport = {};
+	viewport.TopLeftX = 0.0f;
+	viewport.TopLeftY = 0.0f;
+	viewport.Width = width;
+	viewport.Height = height;
+
+	// 7. setup render pipeline (device context)
+	_pD3DDeviceContext->OMSetRenderTargets(1, &_pD3DRenderTargetView, nullptr);
+	_pD3DDeviceContext->RSSetViewports(1, &viewport);
+
+	return 0;
+}
+
+void Direct3D::beginScene(FLOAT r, FLOAT g, FLOAT b)
+{
+	// clear back buffer with a solid color
+	FLOAT backgroundColor[] = { r, g, b, 1.0f };
+	_pD3DDeviceContext->ClearRenderTargetView(_pD3DRenderTargetView, backgroundColor);
+}
+
+void Direct3D::endScene()
+{
+	_pDXGISwapChain->Present(
+		0, // sync interval, 0,1,2,3,4 -> (de-)active vsync setting and how often should be synced
+		0 // optional flags
+	);
+}
+
+void Direct3D::deInit()
+{
+	safeRelease(_pD3DRenderTargetView);
+	safeRelease(_pDXGISwapChain);
+	safeRelease(_pD3DDeviceContext);
+	safeRelease(_pD3DDevice);
+}