Setting up AGS driver extensions for DirectX 11 initialization is not plug-and-play, but the rewards are immense. You gain direct hardware access, explicit mGPU control, and advanced shader intrinsics that standard DX11 hides.
To prevent memory leaks and unstable driver states when shutting down your application, always tear down the AGS context in reverse order during your cleanup phase.
// Set up your standard DX11 swap chain and device creation parameters DXGI_SWAP_CHAIN_DESC swapChainDesc = {}; // ... fill in swapChainDesc details ... IDXGISwapChain* swapChain = nullptr; ID3D11Device* d3dDevice = nullptr; ID3D11DeviceContext* d3dContext = nullptr; D3D_FEATURE_LEVEL featureLevel; // Initialize DX11 Device via standard D3D11CreateDeviceAndSwapChain HRESULT hr = D3D11CreateDeviceAndSwapChain( nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0, nullptr, 0, D3D11_SDK_VERSION, &swapChainDesc, &swapChain, &d3dDevice, &featureLevel, &d3dContext ); if (SUCCEEDED(hr)) { // Notify AGS of the newly created DX11 device to unlock driver extensions AGSDX11DeviceCreationParams dx11Params = {}; dx11Params.pDevice = d3dDevice; // Explicitly enable extensions like Shader Intrinsics if needed unsigned int extensionSupportedChannels = 0; AGSReturnCode extResult = agsDriverExtensionsDX11_Init(agsContext, d3dDevice, &extensionSupportedChannels); if (extResult == AGS_SUCCESS) // Driver extensions are now fully active on your DX11 context! } Use code with caution. 3. Cleanup and Deinitialization ags driver extensions dx11 init download install
Link the \ags\inc\amd_ags.h file in your C++ project. 3. AGS DX11 Initialization (Init)
AGSContext* agsContext = nullptr; AGSGPUInfo gpuInfo = {}; Setting up AGS driver extensions for DirectX 11
Once the files are physically installed in the project structure, the coding phase begins. The developer must include the headers in their main rendering source files. The "init" code is then written to call the initialization function (e.g., agsInit or NvAPI_Initialize ). This function loads the driver’s extension interface. Following this, the developer configures the DX11 device creation flags, often passing a structure that defines the desired extensions (such as Crossfire/SLI modes or FreeSync/G-Sync control). If this handshake fails, the application must gracefully fall back to standard DX11 functionality, ensuring the software does not crash on non-compatible hardware.
The game or software engine is trying to load the dynamic library, but it cannot find it in the working directory. // Set up your standard DX11 swap chain
Once extracted, you will find three essential components required for development:
Go to Project Properties > C/C++ > General > Additional Include Directories and add the path to the folder containing amd_ags.h .
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The AMD GPU Services library is an indispensable tool for unlocking the full potential of AMD Radeon graphics hardware, especially its powerful DirectX 11 driver extensions. The key steps to remember are: