Method InitializeScreen

TombEngine/Renderer/RendererInit.cpp:431–527

	}

	void Renderer::InitializeScreen(int w, int h, HWND handle, bool reset)
	{
		DXGI_SWAP_CHAIN_DESC sd;
		sd.BufferDesc.Width = w;
		sd.BufferDesc.Height = h;
		if (!g_Configuration.EnableHighFramerate)
		{
			_refreshRate = 30;

			sd.BufferDesc.RefreshRate.Numerator = 0;
			sd.BufferDesc.RefreshRate.Denominator = 0;
		}
		else
		{
			_refreshRate = GetCurrentScreenRefreshRate();
			if (_refreshRate == 0)
			{
				_refreshRate = 60;
			}
			
			sd.BufferDesc.RefreshRate.Numerator = _refreshRate;
			sd.BufferDesc.RefreshRate.Denominator = 1;
		}
		sd.BufferDesc.RefreshRate.Numerator = 60;
		sd.BufferDesc.RefreshRate.Denominator = 1;
		sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
		sd.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
		sd.BufferDesc.Scaling = DXGI_MODE_SCALING_STRETCHED;
		sd.Windowed = true;
		sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
		sd.Flags = 0;
		sd.OutputWindow = handle;
		sd.SampleDesc.Count = 1;
		sd.SampleDesc.Quality = 0;
		sd.BufferCount = 1;
		sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
		ComPtr<IDXGIDevice> dxgiDevice;
		Utils::throwIfFailed(_device.As(&dxgiDevice));

		ComPtr<IDXGIAdapter> dxgiAdapter;
		Utils::throwIfFailed(dxgiDevice->GetParent(__uuidof(IDXGIAdapter), &dxgiAdapter));

		ComPtr<IDXGIFactory> dxgiFactory;
		Utils::throwIfFailed(dxgiAdapter->GetParent(__uuidof(IDXGIFactory), &dxgiFactory));

		Utils::throwIfFailed(dxgiFactory->CreateSwapChain(_device.Get(), &sd, &_swapChain));

		dxgiFactory->MakeWindowAssociation(handle, DXGI_MWA_NO_ALT_ENTER);
 
		// Initialize render targets
		ID3D11Texture2D* backBufferTexture = NULL;
		Utils::throwIfFailed(_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), reinterpret_cast <void**>(&backBufferTexture)));
		_backBuffer = RenderTarget2D(_device.Get(), backBufferTexture, DXGI_FORMAT_D24_UNORM_S8_UINT);
		                
		_renderTarget = RenderTarget2D(_device.Get(), w, h, DXGI_FORMAT_R8G8B8A8_UNORM, false, DXGI_FORMAT_D24_UNORM_S8_UINT);
		_postProcessRenderTarget[0] = RenderTarget2D(_device.Get(), w, h, DXGI_FORMAT_R8G8B8A8_UNORM, false, DXGI_FORMAT_UNKNOWN);
		_postProcessRenderTarget[1] = RenderTarget2D(_device.Get(), w, h, DXGI_FORMAT_R8G8B8A8_UNORM, false, DXGI_FORMAT_UNKNOWN);
		_dumpScreenRenderTarget = RenderTarget2D(_device.Get(), w, h, DXGI_FORMAT_R8G8B8A8_UNORM, false, DXGI_FORMAT_D24_UNORM_S8_UINT);