| 12 |
- "use strict";(self.webpackChunkmy_application=self.webpackChunkmy_application||[]).push([[3100],{3100:(e,n,t)=>{t.r(n),t.d(n,{default:()=>i});const i="#include \"pch.h\"\n#include \"Direct3DBase.h\"\n\nusing namespace Microsoft::WRL;\nusing namespace Windows::UI::Core;\nusing namespace Windows::Foundation;\n\n// Constructor.\nDirect3DBase::Direct3DBase()\n{\n}\n\n// Initialize the Direct3D resources required to run.\nvoid Direct3DBase::Initialize(CoreWindow^ window)\n{\n m_window = window;\n \n CreateDeviceResources();\n CreateWindowSizeDependentResources();\n}\n\n// These are the resources that depend on the device.\nvoid Direct3DBase::CreateDeviceResources()\n{\n // This flag adds support for surfaces with a different color channel ordering than the API default.\n // It is recommended usage, and is required for compatibility with Direct2D.\n UINT creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;\n\n#if defined(_DEBUG)\n // If the project is in a debug build, enable debugging via SDK Layers with this flag.\n creationFlags |= D3D11_CREATE_DEVICE_DEBUG;\n#endif\n\n // This array defines the set of DirectX hardware feature levels this app will support.\n // Note the ordering should be preserved.\n // Don't forget to declare your application's minimum required feature level in its\n // description. All applications are assumed to support 9.1 unless otherwise stated.\n D3D_FEATURE_LEVEL featureLevels[] = \n {\n D3D_FEATURE_LEVEL_11_1,\n D3D_FEATURE_LEVEL_11_0,\n D3D_FEATURE_LEVEL_10_1,\n D3D_FEATURE_LEVEL_10_0,\n D3D_FEATURE_LEVEL_9_3,\n D3D_FEATURE_LEVEL_9_2,\n D3D_FEATURE_LEVEL_9_1\n };\n\n // Create the DX11 API device object, and get a corresponding context.\n ComPtr<ID3D11Device> device;\n ComPtr<ID3D11DeviceContext> context;\n DX::ThrowIfFailed(\n D3D11CreateDevice(\n nullptr, // specify null to use the default adapter\n D3D_DRIVER_TYPE_HARDWARE,\n nullptr, // leave as nullptr unless software device\n creationFlags, // optionally set debug and Direct2D compatibility flags\n featureLevels, // list of feature levels this app can support\n ARRAYSIZE(featureLevels), // number of entries in above list\n D3D11_SDK_VERSION, // always set this to D3D11_SDK_VERSION\n &device, // returns the Direct3D device created\n &m_featureLevel, // returns feature level of device created\n &context // returns the device immediate context\n )\n );\n\n // Get the DirectX11.1 device by QI off the DirectX11 one.\n DX::ThrowIfFailed(\n device.As(&m_d3dDevice)\n );\n\n // And get the corresponding device context in the same way.\n DX::ThrowIfFailed(\n context.As(&m_d3dContext)\n );\n}\n\n// Allocate all memory resources that change on a window SizeChanged event.\nvoid Direct3DBase::CreateWindowSizeDependentResources()\n{ \n // Store the window bounds so the next time we get a SizeChanged event we can\n // avoid rebuilding everything if the size is identical.\n m_windowBounds = m_window->Bounds;\n\n // If the swap chain already exists, resize it.\n if(m_swapChain != nullptr)\n {\n DX::ThrowIfFailed(\n m_swapChain->ResizeBuffers(2, 0, 0, DXGI_FORMAT_B8G8R8A8_UNORM, 0)\n );\n }\n // Otherwise, create a new one.\n else\n {\n // Create a descriptor for the swap chain.\n DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};\n swapChainDesc.Width = 0; // use automatic sizing\n swapChainDesc.Height = 0;\n swapChainDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM; // this is the most common swapchain format\n swapChainDesc.Stereo = false; \n swapChainDesc.SampleDesc.Count = 1; // don't use multi-sampling\n swapChainDesc.SampleDesc.Quality = 0;\n swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;\n swapChainDesc.BufferCount = 2; // use two buffers to enable flip effect\n swapChainDesc.Scaling = DXGI_SCALING_NONE;\n swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL; // we recommend using this swap effect for all applications\n swapChainDesc.Flags = 0;\n\n // Once the desired swap chain description is configured, it must be created on the same adapter as our D3D Device\n\n // First, retrieve the underlying DXGI Device from the D3D Device\n ComPtr<IDXGIDevice1> dxgiDevice;\n DX::ThrowIfFailed(\n m_d3dDevice.As(&dxgiDevice)\n );\n\n // Identify the physical adapter (GPU or card) this device is running on.\n ComPtr<IDXGIAdapter> dxgiAdapter;\n DX::ThrowIfFailed(\n dxgiDevice->GetAdapter(&dxgiAdapter)\n );\n\n // And obtain the factory object that created it.\n ComPtr<IDXGIFactory2> dxgiFactory;\n DX::ThrowIfFailed(\n dxgiAdapter->GetParent(\n __uuidof(IDXGIFactory2), \n &dxgiFactory\n )\n );\n\n\t\tWindows::UI::Core::CoreWindow^ p = m_window.Get();\n\n // Create a swap chain for this window from the DXGI factory.\n DX::ThrowIfFailed(\n dxgiFactory->CreateSwapChainForCoreWindow(\n m_d3dDevice.Get(),\n reinterpret_cast<IUnknown*>(p),\n &swapChainDesc,\n nullptr, // allow on all displays\n &m_swapChain\n )\n );\n \n // Ensure that DXGI does not queue more than one frame at a time. This both reduces \n // latency and ensures that the application will only render after each VSync, minimizing \n // power consumption.\n DX::ThrowIfFailed(\n dxgiDevice->SetMaximumFrameLatency(1)\n );\n }\n \n // Obtain the backbuffer for this window which will be the final 3D rendertarget.\n ComPtr<ID3D11Texture2D> backBuffer;\n DX::ThrowIfFailed(\n m_swapChain->GetBuffer(\n 0,\n __uuidof(ID3D11Texture2D),\n &backBuffer\n )\n );\n\n // Create a view interface on the rendertarget to use on bind.\n DX::ThrowIfFailed(\n m_d3dDevice->CreateRenderTargetView(\n backBuffer.Get(),\n nullptr,\n &m_renderTargetView\n )\n );\n\n // Cache the rendertarget dimensions in our helper class for convenient use.\n D3D11_TEXTURE2D_DESC backBufferDesc;\n backBuffer->GetDesc(&backBufferDesc);\n m_renderTargetSize.Width = static_cast<float>(backBufferDesc.Width);\n m_renderTargetSize.Height = static_cast<float>(backBufferDesc.Height);\n\n // Create a descriptor for the depth/stencil buffer.\n CD3D11_TEXTURE2D_DESC depthStencilDesc(\n DXGI_FORMAT_D24_UNORM_S8_UINT, \n backBufferDesc.Width,\n backBufferDesc.Height,\n 1,\n 1,\n D3D11_BIND_DEPTH_STENCIL);\n\n // Allocate a 2-D surface as the depth/stencil buffer.\n ComPtr<ID3D11Texture2D> depthStencil;\n DX::ThrowIfFailed(\n m_d3dDevice->CreateTexture2D(\n &depthStencilDesc,\n nullptr,\n &depthStencil\n )\n );\n\n // Create a DepthStencil view on this surface to use on bind.\n DX::ThrowIfFailed(\n m_d3dDevice->CreateDepthStencilView(\n depthStencil.Get(),\n &CD3D11_DEPTH_STENCIL_VIEW_DESC(D3D11_DSV_DIMENSION_TEXTURE2D),\n &m_depthStencilView\n )\n );\n\n // Create a viewport descriptor of the full window size.\n CD3D11_VIEWPORT viewPort(\n 0.0f,\n 0.0f,\n static_cast<float>(backBufferDesc.Width),\n static_cast<float>(backBufferDesc.Height)\n );\n \n // Set the current viewport using the descriptor.\n m_d3dContext->RSSetViewports(1, &viewPort);\n}\n\nvoid Direct3DBase::UpdateForWindowSizeChange()\n{\n if (m_window->Bounds.Width != m_windowBounds.Width ||\n m_window->Bounds.Height != m_windowBounds.Height)\n {\n m_renderTargetView = nullptr;\n m_depthStencilView = nullptr;\n CreateWindowSizeDependentResources();\n }\n}\n\nvoid Direct3DBase::Present()\n{\n // The first argument instructs DXGI to block until VSync, putting the application\n // to sleep until the next VSync. This ensures we don't waste any cycles rendering\n // frames that will never be displayed to the screen.\n HRESULT hr = m_swapChain->Present(1, 0);\n\n // If the device was removed either by a disconnect or a driver upgrade, we \n // must completely reinitialize the renderer.\n if (hr == DXGI_ERROR_DEVICE_REMOVED || hr == DXGI_ERROR_DEVICE_RESET)\n {\n Initialize(m_window.Get());\n }\n else\n {\n DX::ThrowIfFailed(hr);\n }\n}\n"}}]);
- //# sourceMappingURL=3100.js.map
|
