The AMD GPU Services (AGS) Library is a helper library that provides a clear view of GPUs and displays in a system. It allows developers to:
The official and safest way to obtain the AGS library is directly from AMD. Step-by-Step Download Instruction
Whether you are a graphics programmer implementing these extensions or a power user trying to get a specific legacy application or mod running smoothly, understanding how to download, install, and initialize AGS for DX11 is critical. What are AGS Driver Extensions for DX11? ags driver extensions dx11 init download install
By integrating AGS, your application can leverage advanced optimizations and features, including:
What (like shader intrinsics or depth bounds) do you plan to use? The AMD GPU Services (AGS) Library is a
Navigate to and add the path to the directory containing amd_ags.h .
Upon extracting the downloaded archive, you will find the following critical directory structure: What are AGS Driver Extensions for DX11
#include #include "amd_ags.h" // Global AGS context pointer AGSContext* g_agsContext = nullptr; AGSGPUInfo g_gpuInfo = {}; void InitializeAGSANDDirectX11() { // 1. Initialize the AGS Library AGSConfiguration config = {}; // Default configuration AGSReturnCode result = agsInitialize(AGS_CURRENT_VERSION, &config, &g_agsContext, &g_gpuInfo); if (result != AGS_SUCCESS) // Fallback: AGS failed to init, but you can still attempt standard DX11 creation OutputDebugStringA("AMD AGS failed to initialize. Using standard DX11.\n"); else OutputDebugStringA("AMD AGS successfully initialized.\n"); // Optional: Inspect g_gpuInfo to read architecture, driver versions, and VRAM limits // 2. Prepare standard DX11 creation parameters UINT createDeviceFlags = 0; D3D_FEATURE_LEVEL featureLevels[] = D3D_FEATURE_LEVEL_11_1, D3D_FEATURE_LEVEL_11_0 ; D3D_FEATURE_LEVEL selectedFeatureLevel; ID3D11Device* d3d11Device = nullptr; ID3D11DeviceContext* d3d11Context = nullptr; // 3. Create the DX11 Device HRESULT hr = D3D11CreateDevice( nullptr, // Default adapter D3D_DRIVER_TYPE_HARDWARE, nullptr, // No software rasterizer createDeviceFlags, featureLevels, _countof(featureLevels), D3D11_SDK_VERSION, &d3d11Device, &selectedFeatureLevel, &d3d11Context ); if (SUCCEEDED(hr)) // 4. Notify AGS of the newly created DX11 device to enable extensions if (g_agsContext != nullptr) // Optional flags for specific extensions can be passed here int extensionsSupported = 0; // This call attaches the extensions to your active DX11 device context agsDriverExtensionsDX11_Init(g_agsContext, d3d11Device, &extensionsSupported); } void ShutdownAGS() // Clean up AGS context when the application closes if (g_agsContext != nullptr) agsDriverExtensionsDX11_Deinit(g_agsContext); agsDeinitialize(g_agsContext); g_agsContext = nullptr; Use code with caution. Best Practices and Troubleshooting Explicit Fallback Routines