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// =========================================================================== // Prototypes // =========================================================================== DRIVER_INITIALIZE DriverEntry; DRIVER_UNLOAD DriverUnload;
In conclusion, WDDM 2.0 driver is an important update to the Windows graphics driver model, providing improved performance, power management, and features. If you're a gamer or use graphics-intensive applications, updating to WDDM 2.0 driver can enhance your overall experience.
// =========================================================================== // Helper: Connect to DxgKrnl // =========================================================================== NTSTATUS FillAdapterInterface( PDRIVER_OBJECT DriverObject, PDXGKRNL_INTERFACE Interface )
DbgPrint("WDDM Skeleton: DxgkDdiAddDevice called.\n");
// NOTE: In a real driver, you must also define functions for: // DriverInitData.DxgkDdiPresent // DriverInitData.DxgkDdiRender // DriverInitData.DxgkDdiCreateAllocation // ...and roughly 50 other functions for full functionality.
+-------------------------------------------------------------------+ | User-Mode App | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | User-Mode Display Driver (UMD) | | - Handles multithreading parallelism | | - Assigns persistent GPU Virtual Addresses (GPUVA) | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | DirectX Graphics Kernel | | (Dxgkrnl.sys / dxgmms2.sys Subsystem) | | - Manages hardware scheduling and memory tracking | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | Kernel-Mode Display Miniport Driver (KMD) | | - Minimal low-level physical hardware management | +-------------------------------------------------------------------+ 1. GPU Virtual Addressing (GPUVA)
Allows resources to be shared between different GPU adapters (e.g., integrated + discrete GPU).
DbgPrint("WDDM Skeleton: DxgkDdiStartDevice called.\n");
The WDDM 2.0 driver offers several benefits to users, including:
// =========================================================================== // Prototypes // =========================================================================== DRIVER_INITIALIZE DriverEntry; DRIVER_UNLOAD DriverUnload;
In conclusion, WDDM 2.0 driver is an important update to the Windows graphics driver model, providing improved performance, power management, and features. If you're a gamer or use graphics-intensive applications, updating to WDDM 2.0 driver can enhance your overall experience.
// =========================================================================== // Helper: Connect to DxgKrnl // =========================================================================== NTSTATUS FillAdapterInterface( PDRIVER_OBJECT DriverObject, PDXGKRNL_INTERFACE Interface ) wddm 2.0 driver
DbgPrint("WDDM Skeleton: DxgkDdiAddDevice called.\n");
// NOTE: In a real driver, you must also define functions for: // DriverInitData.DxgkDdiPresent // DriverInitData.DxgkDdiRender // DriverInitData.DxgkDdiCreateAllocation // ...and roughly 50 other functions for full functionality. providing improved performance
+-------------------------------------------------------------------+ | User-Mode App | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | User-Mode Display Driver (UMD) | | - Handles multithreading parallelism | | - Assigns persistent GPU Virtual Addresses (GPUVA) | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | DirectX Graphics Kernel | | (Dxgkrnl.sys / dxgmms2.sys Subsystem) | | - Manages hardware scheduling and memory tracking | +-------------------------------------------------------------------+ | v +-------------------------------------------------------------------+ | Kernel-Mode Display Miniport Driver (KMD) | | - Minimal low-level physical hardware management | +-------------------------------------------------------------------+ 1. GPU Virtual Addressing (GPUVA)
Allows resources to be shared between different GPU adapters (e.g., integrated + discrete GPU). // NOTE: In a real driver
DbgPrint("WDDM Skeleton: DxgkDdiStartDevice called.\n");
The WDDM 2.0 driver offers several benefits to users, including: