Windows Display Driver Model
Windows Display Driver Model（WDDM），是微軟新一代的圖形驅動程式模型。
WDDM是改良舊有的Windows XP上的XPDM架構，XPDM是使用2D 的 GDI（Graphics Device Interface）或 GDI+，與XPDM相比，WDDM是3D加速桌面，最早適用於WIndows Vista之上[1] 。Window7 上支援有 WDDM 1.1。
WDDM 1.1
Windows 7 supports major additions to WDDM tentatively known as WDDM 1.1; the details of this new version were unveiled at WinHEC 2008. New features include:[2]
- DXGI 1.1, which features return of hardware 2D acceleration for use by GDI [3] (but not GDI+) and Direct2D/DirectWrite
- BitBlt, StretchBlt, TransparentBlt
- AlphaBlend, ColorFill
- ClearType font support
- Direct3D 11 Device Driver Interface (DDI)
- DXVA-HD DDI [4]
- Hardware video overlay DDI [5]
- Optional AES 128 encryption
- Optional decoding of encrypted video content
- Support multiple drivers in a multi-adapter and multi-monitor setup [2] [6]
注釋
- ^ Windows Vista Display Driver Model
- ^ 2.0 2.1 WHDC: Graphics Guide for Windows 7. Microsoft. 12-06-2009.
- ^ Windows DDK - GDI Hardware Acceleration. MSDN. [2009-06-14].
- ^ Windows DDK - DXVA-HD DDI. MSDN. [2009-06-13].
- ^ Windows DDK - Overlay DDI. MSDN. [2009-06-13].
- ^ Windows DDK - Multiple Monitors and Video Present Networks. MSDN. [2010-07-14].